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-rw-r--r--trunk/infrastructure/ace/www/ace2_inner.js4817
1 files changed, 0 insertions, 4817 deletions
diff --git a/trunk/infrastructure/ace/www/ace2_inner.js b/trunk/infrastructure/ace/www/ace2_inner.js
deleted file mode 100644
index 8bd1096..0000000
--- a/trunk/infrastructure/ace/www/ace2_inner.js
+++ /dev/null
@@ -1,4817 +0,0 @@
-/**
- * Copyright 2009 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS-IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-function OUTER(gscope) {
-
- var DEBUG=true;//$$ build script replaces the string "var DEBUG=true;//$$" with "var DEBUG=false;"
-
- var isSetUp = false;
-
- var THE_TAB = ' ';//4
- var MAX_LIST_LEVEL = 8;
-
- var LINE_NUMBER_PADDING_RIGHT = 4;
- var LINE_NUMBER_PADDING_LEFT = 4;
- var MIN_LINEDIV_WIDTH = 20;
- var EDIT_BODY_PADDING_TOP = 8;
- var EDIT_BODY_PADDING_LEFT = 8;
-
- var caughtErrors = [];
-
- var thisAuthor = '';
-
- var disposed = false;
-
- var editorInfo = parent.editorInfo;
-
- var iframe = window.frameElement;
- var outerWin = iframe.ace_outerWin;
- iframe.ace_outerWin = null; // prevent IE 6 memory leak
- var sideDiv = iframe.nextSibling;
- var lineMetricsDiv = sideDiv.nextSibling;
- var overlaysdiv = lineMetricsDiv.nextSibling;
- initLineNumbers();
-
- var outsideKeyDown = function(evt) {};
- var outsideKeyPress = function(evt) { return true; };
- var outsideNotifyDirty = function() {};
-
- // selFocusAtStart -- determines whether the selection extends "backwards", so that the focus
- // point (controlled with the arrow keys) is at the beginning; not supported in IE, though
- // native IE selections have that behavior (which we try not to interfere with).
- // Must be false if selection is collapsed!
- var rep = { lines: newSkipList(), selStart: null, selEnd: null, selFocusAtStart: false,
- alltext: "", alines: [],
- apool: new AttribPool() };
- // lines, alltext, alines, and DOM are set up in setup()
- if (undoModule.enabled) {
- undoModule.apool = rep.apool;
- }
-
- var root, doc; // set in setup()
-
- var isEditable = true;
- var doesWrap = true;
- var hasLineNumbers = true;
- var isStyled = true;
-
- // space around the innermost iframe element
- var iframePadLeft = MIN_LINEDIV_WIDTH + LINE_NUMBER_PADDING_RIGHT + EDIT_BODY_PADDING_LEFT;
- var iframePadTop = EDIT_BODY_PADDING_TOP;
- var iframePadBottom = 0, iframePadRight = 0;
-
- var console = (DEBUG && top.console);
- if (! console) {
- var names = ["log", "debug", "info", "warn", "error", "assert", "dir", "dirxml",
- "group", "groupEnd", "time", "timeEnd", "count", "trace", "profile", "profileEnd"];
- console = {};
- for (var i = 0; i < names.length; ++i)
- console[names[i]] = function() {};
- //console.error = function(str) { alert(str); };
- }
- var PROFILER = window.PROFILER;
- if (!PROFILER) {
- PROFILER = function() { return {start:noop, mark:noop, literal:noop, end:noop, cancel:noop}; };
- }
- function noop() {}
- function identity(x) { return x; }
-
- // "dmesg" is for displaying messages in the in-page output pane
- // visible when "?djs=1" is appended to the pad URL. It generally
- // remains a no-op unless djs is enabled, but we make a habit of
- // only calling it in error cases or while debugging.
- var dmesg = noop;
- window.dmesg = noop;
-
- var scheduler = parent;
-
- var textFace = 'monospace';
- var textSize = 12;
- function textLineHeight() { return Math.round(textSize * 4/3); }
-
- var dynamicCSS = null;
- function initDynamicCSS() {
- dynamicCSS = makeCSSManager("dynamicsyntax");
- }
-
- var changesetTracker = makeChangesetTracker(scheduler, rep.apool, {
- withCallbacks: function(operationName, f) {
- inCallStackIfNecessary(operationName, function() {
- fastIncorp(1);
- f({
- setDocumentAttributedText: function(atext) {
- setDocAText(atext);
- },
- applyChangesetToDocument: function(changeset, preferInsertionAfterCaret) {
- var oldEventType = currentCallStack.editEvent.eventType;
- currentCallStack.startNewEvent("nonundoable");
-
- performDocumentApplyChangeset(changeset, preferInsertionAfterCaret);
-
- currentCallStack.startNewEvent(oldEventType);
- }
- });
- });
- }
- });
-
- var authorInfos = {}; // presence of key determines if author is present in doc
-
- function setAuthorInfo(author, info) {
- if ((typeof author) != "string") {
- throw new Error("setAuthorInfo: author ("+author+") is not a string");
- }
- if (! info) {
- delete authorInfos[author];
- if (dynamicCSS) {
- dynamicCSS.removeSelectorStyle(getAuthorColorClassSelector(getAuthorClassName(author)));
- }
- }
- else {
- authorInfos[author] = info;
- if (info.bgcolor) {
- if (dynamicCSS) {
- var bgcolor = info.bgcolor;
- if ((typeof info.fade) == "number") {
- bgcolor = fadeColor(bgcolor, info.fade);
- }
-
- dynamicCSS.selectorStyle(getAuthorColorClassSelector(
- getAuthorClassName(author))).backgroundColor = bgcolor;
- }
- }
- }
- }
-
- function getAuthorClassName(author) {
- return "author-"+author.replace(/[^a-y0-9]/g, function(c) {
- if (c == ".") return "-";
- return 'z'+c.charCodeAt(0)+'z';
- });
- }
- function className2Author(className) {
- if (className.substring(0,7) == "author-") {
- return className.substring(7).replace(/[a-y0-9]+|-|z.+?z/g, function(cc) {
- if (cc == '-') return '.';
- else if (cc.charAt(0) == 'z') {
- return String.fromCharCode(Number(cc.slice(1,-1)));
- }
- else {
- return cc;
- }
- });
- }
- return null;
- }
- function getAuthorColorClassSelector(oneClassName) {
- return ".authorColors ."+oneClassName;
- }
- function setUpTrackingCSS() {
- if (dynamicCSS) {
- var backgroundHeight = lineMetricsDiv.offsetHeight;
- var lineHeight = textLineHeight();
- var extraBodding = 0;
- var extraTodding = 0;
- if (backgroundHeight < lineHeight) {
- extraBodding = Math.ceil((lineHeight - backgroundHeight)/2);
- extraTodding = lineHeight - backgroundHeight - extraBodding;
- }
- var spanStyle = dynamicCSS.selectorStyle("#innerdocbody span");
- spanStyle.paddingTop = extraTodding+"px";
- spanStyle.paddingBottom = extraBodding+"px";
- }
- }
- function boldColorFromColor(lightColorCSS) {
- var color = colorutils.css2triple(lightColorCSS);
-
- // amp up the saturation to full
- color = colorutils.saturate(color);
-
- // normalize brightness based on luminosity
- color = colorutils.scaleColor(color, 0, 0.5 / colorutils.luminosity(color));
-
- return colorutils.triple2css(color);
- }
- function fadeColor(colorCSS, fadeFrac) {
- var color = colorutils.css2triple(colorCSS);
- color = colorutils.blend(color, [1,1,1], fadeFrac);
- return colorutils.triple2css(color);
- }
-
- function doAlert(str) {
- scheduler.setTimeout(function() { alert(str); }, 0);
- }
-
- var currentCallStack = null;
- function inCallStack(type, action) {
- if (disposed) return;
-
- if (currentCallStack) {
- console.error("Can't enter callstack "+type+", already in "+
- currentCallStack.type);
- }
-
- var profiling = false;
- function profileRest() {
- profiling = true;
- console.profile();
- }
-
- function newEditEvent(eventType) {
- return {eventType:eventType, backset: null};
- }
-
- function submitOldEvent(evt) {
- if (rep.selStart && rep.selEnd) {
- var selStartChar =
- rep.lines.offsetOfIndex(rep.selStart[0]) + rep.selStart[1];
- var selEndChar =
- rep.lines.offsetOfIndex(rep.selEnd[0]) + rep.selEnd[1];
- evt.selStart = selStartChar;
- evt.selEnd = selEndChar;
- evt.selFocusAtStart = rep.selFocusAtStart;
- }
- if (undoModule.enabled) {
- var undoWorked = false;
- try {
- if (evt.eventType == "setup" || evt.eventType == "importText" ||
- evt.eventType == "setBaseText") {
- undoModule.clearHistory();
- }
- else if (evt.eventType == "nonundoable") {
- if (evt.changeset) {
- undoModule.reportExternalChange(evt.changeset);
- }
- }
- else {
- undoModule.reportEvent(evt);
- }
- undoWorked = true;
- }
- finally {
- if (! undoWorked) {
- undoModule.enabled = false; // for safety
- }
- }
- }
- }
-
- function startNewEvent(eventType, dontSubmitOld) {
- var oldEvent = currentCallStack.editEvent;
- if (! dontSubmitOld) {
- submitOldEvent(oldEvent);
- }
- currentCallStack.editEvent = newEditEvent(eventType);
- return oldEvent;
- }
-
- currentCallStack = {type: type, docTextChanged: false, selectionAffected: false,
- userChangedSelection: false,
- domClean: false, profileRest:profileRest,
- isUserChange: false, // is this a "user change" type of call-stack
- repChanged: false, editEvent: newEditEvent(type),
- startNewEvent:startNewEvent};
- var cleanExit = false;
- var result;
- try {
- result = action();
- //console.log("Just did action for: "+type);
- cleanExit = true;
- }
- catch (e) {
- caughtErrors.push({error: e, time: +new Date()});
- dmesg(e.toString());
- throw e;
- }
- finally {
- var cs = currentCallStack;
- //console.log("Finished action for: "+type);
- if (cleanExit) {
- submitOldEvent(cs.editEvent);
- if (cs.domClean && cs.type != "setup") {
- if (cs.isUserChange) {
- if (cs.repChanged) parenModule.notifyChange();
- else parenModule.notifyTick();
- }
- recolorModule.recolorLines();
- if (cs.selectionAffected) {
- updateBrowserSelectionFromRep();
- }
- if ((cs.docTextChanged || cs.userChangedSelection) && cs.type != "applyChangesToBase") {
- scrollSelectionIntoView();
- }
- if (cs.docTextChanged && cs.type.indexOf("importText") < 0) {
- outsideNotifyDirty();
- }
- }
- }
- else {
- // non-clean exit
- if (currentCallStack.type == "idleWorkTimer") {
- idleWorkTimer.atLeast(1000);
- }
- }
- currentCallStack = null;
- if (profiling) console.profileEnd();
- }
- return result;
- }
-
- function inCallStackIfNecessary(type, action) {
- if (! currentCallStack) {
- inCallStack(type, action);
- }
- else {
- action();
- }
- }
-
- function recolorLineByKey(key) {
- if (rep.lines.containsKey(key)) {
- var offset = rep.lines.offsetOfKey(key);
- var width = rep.lines.atKey(key).width;
- recolorLinesInRange(offset, offset + width);
- }
- }
-
- function getLineKeyForOffset(charOffset) {
- return rep.lines.atOffset(charOffset).key;
- }
-
- var recolorModule = (function() {
- var dirtyLineKeys = {};
-
- var module = {};
- module.setCharNeedsRecoloring = function(offset) {
- if (offset >= rep.alltext.length) {
- offset = rep.alltext.length-1;
- }
- dirtyLineKeys[getLineKeyForOffset(offset)] = true;
- }
-
- module.setCharRangeNeedsRecoloring = function(offset1, offset2) {
- if (offset1 >= rep.alltext.length) {
- offset1 = rep.alltext.length-1;
- }
- if (offset2 >= rep.alltext.length) {
- offset2 = rep.alltext.length-1;
- }
- var firstEntry = rep.lines.atOffset(offset1);
- var lastKey = rep.lines.atOffset(offset2).key;
- dirtyLineKeys[lastKey] = true;
- var entry = firstEntry;
- while (entry && entry.key != lastKey) {
- dirtyLineKeys[entry.key] = true;
- entry = rep.lines.next(entry);
- }
- }
-
- module.recolorLines = function() {
- for(var k in dirtyLineKeys) {
- recolorLineByKey(k);
- }
- dirtyLineKeys = {};
- }
-
- return module;
- })();
-
- var parenModule = (function() {
- var module = {};
- module.notifyTick = function() { handleFlashing(false); };
- module.notifyChange = function() { handleFlashing(true); };
- module.shouldNormalizeOnChar = function (c) {
- if (parenFlashRep.active) {
- // avoid highlight style from carrying on to typed text
- return true;
- }
- c = String.fromCharCode(c);
- return !! (bracketMap[c]);
- }
-
- var parenFlashRep = { active: false, whichChars: null, whichLineKeys: null, expireTime: null };
- var bracketMap = {'(': 1, ')':-1, '[':2, ']':-2, '{':3, '}':-3};
- var bracketRegex = /[{}\[\]()]/g;
- function handleFlashing(docChanged) {
- function getSearchRange(aroundLoc) {
- var rng = getVisibleCharRange();
- var d = 100; // minimum radius
- var e = 3000; // maximum radius;
- if (rng[0] > aroundLoc-d) rng[0] = aroundLoc-d;
- if (rng[0] < aroundLoc-e) rng[0] = aroundLoc-e;
- if (rng[0] < 0) rng[0] = 0;
- if (rng[1] < aroundLoc+d) rng[1] = aroundLoc+d;
- if (rng[1] > aroundLoc+e) rng[1] = aroundLoc+e;
- if (rng[1] > rep.lines.totalWidth()) rng[1] = rep.lines.totalWidth();
- return rng;
- }
- function findMatchingVisibleBracket(startLoc, forwards) {
- var rng = getSearchRange(startLoc);
- var str = rep.alltext.substring(rng[0], rng[1]);
- var bstr = str.replace(bracketRegex, '('); // handy for searching
- var loc = startLoc - rng[0];
- var bracketState = [];
- var foundParen = false;
- var goodParen = false;
- function nextLoc() {
- if (loc < 0) return;
- if (forwards) loc++; else loc--;
- if (loc < 0 || loc >= str.length) loc = -1;
- if (loc >= 0) {
- if (forwards) loc = bstr.indexOf('(', loc);
- else loc = bstr.lastIndexOf('(', loc);
- }
- }
- while ((! foundParen) && (loc >= 0)) {
- if (getCharType(loc + rng[0]) == "p") {
- var b = bracketMap[str.charAt(loc)]; // -1, 1, -2, 2, -3, 3
- var into = forwards;
- var typ = b;
- if (typ < 0) { into = ! into; typ = -typ; }
- if (into) bracketState.push(typ);
- else {
- var recent = bracketState.pop();
- if (recent != typ) {
- foundParen = true; goodParen = false;
- }
- else if (bracketState.length == 0) {
- foundParen = true; goodParen = true;
- }
- }
- }
- //console.log(bracketState.toSource());
- if ((! foundParen) && (loc >= 0)) nextLoc();
- }
- if (! foundParen) return null;
- return {chr: (loc + rng[0]), good: goodParen};
- }
-
- var r = parenFlashRep;
- var charsToHighlight = null;
- var linesToUnhighlight = null;
- if (r.active && (docChanged || (now() > r.expireTime))) {
- linesToUnhighlight = r.whichLineKeys;
- r.active = false;
- }
- if ((! r.active) && docChanged && isCaret() && caretColumn() > 0) {
- var caret = caretDocChar();
- if (caret > 0 && getCharType(caret-1) == "p") {
- var charBefore = rep.alltext.charAt(caret-1);
- if (bracketMap[charBefore]) {
- var lookForwards = (bracketMap[charBefore] > 0);
- var findResult = findMatchingVisibleBracket(caret-1, lookForwards);
- if (findResult) {
- var mateLoc = findResult.chr;
- var mateGood = findResult.good;
- r.active = true;
- charsToHighlight = {};
- charsToHighlight[caret-1] = 'flash';
- charsToHighlight[mateLoc] = (mateGood ? 'flash' : 'flashbad');
- r.whichLineKeys = [];
- r.whichLineKeys.push(getLineKeyForOffset(caret-1));
- r.whichLineKeys.push(getLineKeyForOffset(mateLoc));
- r.expireTime = now() + 4000;
- newlyActive = true;
- }
- }
- }
-
- }
- if (linesToUnhighlight) {
- recolorLineByKey(linesToUnhighlight[0]);
- recolorLineByKey(linesToUnhighlight[1]);
- }
- if (r.active && charsToHighlight) {
- function f(txt, cls, next, ofst) {
- var flashClass = charsToHighlight[ofst];
- if (cls) {
- next(txt, cls+" "+flashClass);
- }
- else next(txt, cls);
- }
- for(var c in charsToHighlight) {
- recolorLinesInRange((+c), (+c)+1, null, f);
- }
- }
- }
-
- return module;
- })();
-
- function dispose() {
- disposed = true;
- if (idleWorkTimer) idleWorkTimer.never();
- teardown();
- }
-
- function checkALines() {
- return; // disable for speed
- function error() { throw new Error("checkALines"); }
- if (rep.alines.length != rep.lines.length()) {
- error();
- }
- for(var i=0;i<rep.alines.length;i++) {
- var aline = rep.alines[i];
- var lineText = rep.lines.atIndex(i).text+"\n";
- var lineTextLength = lineText.length;
- var opIter = Changeset.opIterator(aline);
- var alineLength = 0;
- while (opIter.hasNext()) {
- var o = opIter.next();
- alineLength += o.chars;
- if (opIter.hasNext()) {
- if (o.lines != 0) error();
- }
- else {
- if (o.lines != 1) error();
- }
- }
- if (alineLength != lineTextLength) {
- error();
- }
- }
- }
-
- function setWraps(newVal) {
- doesWrap = newVal;
- var dwClass = "doesWrap";
- setClassPresence(root, "doesWrap", doesWrap);
- scheduler.setTimeout(function() {
- inCallStackIfNecessary("setWraps", function() {
- fastIncorp(7);
- recreateDOM();
- fixView();
- });
- }, 0);
- }
-
- function setStyled(newVal) {
- var oldVal = isStyled;
- isStyled = !!newVal;
-
- if (newVal != oldVal) {
- if (! newVal) {
- // clear styles
- inCallStackIfNecessary("setStyled", function() {
- fastIncorp(12);
- var clearStyles = [];
- for(var k in STYLE_ATTRIBS) {
- clearStyles.push([k,'']);
- }
- performDocumentApplyAttributesToCharRange(0, rep.alltext.length, clearStyles);
- });
- }
- }
- }
-
- function setTextFace(face) {
- textFace = face;
- root.style.fontFamily = textFace;
- lineMetricsDiv.style.fontFamily = textFace;
- scheduler.setTimeout(function() {
- setUpTrackingCSS();
- }, 0);
- }
-
- function setTextSize(size) {
- textSize = size;
- root.style.fontSize = textSize+"px";
- root.style.lineHeight = textLineHeight()+"px";
- sideDiv.style.lineHeight = textLineHeight()+"px";
- lineMetricsDiv.style.fontSize = textSize+"px";
- scheduler.setTimeout(function() {
- setUpTrackingCSS();
- }, 0);
- }
-
- function recreateDOM() {
- // precond: normalized
- recolorLinesInRange(0, rep.alltext.length);
- }
-
- function setEditable(newVal) {
- isEditable = newVal;
-
- // the following may fail, e.g. if iframe is hidden
- if (! isEditable) {
- setDesignMode(false);
- }
- else {
- setDesignMode(true);
- }
- setClassPresence(root, "static", ! isEditable);
- }
-
- function enforceEditability() {
- setEditable(isEditable);
- }
-
- function importText(text, undoable, dontProcess) {
- var lines;
- if (dontProcess) {
- if (text.charAt(text.length-1) != "\n") {
- throw new Error("new raw text must end with newline");
- }
- if (/[\r\t\xa0]/.exec(text)) {
- throw new Error("new raw text must not contain CR, tab, or nbsp");
- }
- lines = text.substring(0, text.length-1).split('\n');
- }
- else {
- lines = map(text.split('\n'), textify);
- }
- var newText = "\n";
- if (lines.length > 0) {
- newText = lines.join('\n')+'\n';
- }
-
- inCallStackIfNecessary("importText"+(undoable?"Undoable":""), function() {
- setDocText(newText);
- });
-
- if (dontProcess && rep.alltext != text) {
- throw new Error("mismatch error setting raw text in importText");
- }
- }
-
- function importAText(atext, apoolJsonObj, undoable) {
- atext = Changeset.cloneAText(atext);
- if (apoolJsonObj) {
- var wireApool = (new AttribPool()).fromJsonable(apoolJsonObj);
- atext.attribs = Changeset.moveOpsToNewPool(atext.attribs, wireApool, rep.apool);
- }
- inCallStackIfNecessary("importText"+(undoable?"Undoable":""), function() {
- setDocAText(atext);
- });
- }
-
- function setDocAText(atext) {
- fastIncorp(8);
-
- var oldLen = rep.lines.totalWidth();
- var numLines = rep.lines.length();
- var upToLastLine = rep.lines.offsetOfIndex(numLines-1);
- var lastLineLength = rep.lines.atIndex(numLines-1).text.length;
- var assem = Changeset.smartOpAssembler();
- var o = Changeset.newOp('-');
- o.chars = upToLastLine;
- o.lines = numLines-1;
- assem.append(o);
- o.chars = lastLineLength;
- o.lines = 0;
- assem.append(o);
- Changeset.appendATextToAssembler(atext, assem);
- var newLen = oldLen + assem.getLengthChange();
- var changeset = Changeset.checkRep(
- Changeset.pack(oldLen, newLen, assem.toString(),
- atext.text.slice(0, -1)));
- performDocumentApplyChangeset(changeset);
-
- performSelectionChange([0,rep.lines.atIndex(0).lineMarker],
- [0,rep.lines.atIndex(0).lineMarker]);
-
- idleWorkTimer.atMost(100);
-
- if (rep.alltext != atext.text) {
- dmesg(htmlPrettyEscape(rep.alltext));
- dmesg(htmlPrettyEscape(atext.text));
- throw new Error("mismatch error setting raw text in setDocAText");
- }
- }
-
- function setDocText(text) {
- setDocAText(Changeset.makeAText(text));
- }
-
- function getDocText() {
- var alltext = rep.alltext;
- var len = alltext.length;
- if (len > 0) len--; // final extra newline
- return alltext.substring(0, len);
- }
-
- function exportText() {
- if (currentCallStack && ! currentCallStack.domClean) {
- inCallStackIfNecessary("exportText", function() { fastIncorp(2); });
- }
- return getDocText();
- }
-
- function editorChangedSize() {
- fixView();
- }
-
- function setOnKeyPress(handler) {
- outsideKeyPress = handler;
- }
-
- function setOnKeyDown(handler) {
- outsideKeyDown = handler;
- }
-
- function setNotifyDirty(handler) {
- outsideNotifyDirty = handler;
- }
-
- function getFormattedCode() {
- if (currentCallStack && ! currentCallStack.domClean) {
- inCallStackIfNecessary("getFormattedCode", incorporateUserChanges);
- }
- var buf = [];
- if (rep.lines.length() > 0) {
- // should be the case, even for empty file
- var entry = rep.lines.atIndex(0);
- while (entry) {
- var domInfo = entry.domInfo;
- buf.push((domInfo && domInfo.getInnerHTML()) ||
- domline.processSpaces(domline.escapeHTML(entry.text),
- doesWrap) ||
- '&nbsp;' /*empty line*/);
- entry = rep.lines.next(entry);
- }
- }
- return '<div class="syntax"><div>'+buf.join('</div>\n<div>')+
- '</div></div>';
- }
-
- var CMDS = {
- bold: function() { toggleAttributeOnSelection('bold'); },
- italic: function() { toggleAttributeOnSelection('italic'); },
- underline: function() { toggleAttributeOnSelection('underline'); },
- strikethrough: function() { toggleAttributeOnSelection('strikethrough'); },
- h1: function() { toggleAttributeOnSelection('h1'); },
- h2: function() { toggleAttributeOnSelection('h2'); },
- h3: function() { toggleAttributeOnSelection('h3'); },
- h4: function() { toggleAttributeOnSelection('h4'); },
- h5: function() { toggleAttributeOnSelection('h5'); },
- h6: function() { toggleAttributeOnSelection('h6'); },
- undo: function() { doUndoRedo('undo'); },
- redo: function() { doUndoRedo('redo'); },
- clearauthorship: function(prompt) {
- if ((!(rep.selStart && rep.selEnd)) || isCaret()) {
- if (prompt) {
- prompt();
- }
- else {
- performDocumentApplyAttributesToCharRange(0, rep.alltext.length,
- [['author', '']]);
- }
- }
- else {
- setAttributeOnSelection('author', '');
- }
- },
- insertunorderedlist: doInsertUnorderedList,
- indent: function() {
- if (! doIndentOutdent(false)) {
- doInsertUnorderedList();
- }
- },
- outdent: function() { doIndentOutdent(true); }
- };
-
- function execCommand(cmd) {
- cmd = cmd.toLowerCase();
- var cmdArgs = Array.prototype.slice.call(arguments, 1);
- if (CMDS[cmd]) {
- inCallStack(cmd, function() {
- fastIncorp(9);
- CMDS[cmd].apply(CMDS, cmdArgs);
- });
- }
- }
-
- editorInfo.ace_focus = focus;
- editorInfo.ace_importText = importText;
- editorInfo.ace_importAText = importAText;
- editorInfo.ace_exportText = exportText;
- editorInfo.ace_editorChangedSize = editorChangedSize;
- editorInfo.ace_setOnKeyPress = setOnKeyPress;
- editorInfo.ace_setOnKeyDown = setOnKeyDown;
- editorInfo.ace_setNotifyDirty = setNotifyDirty;
- editorInfo.ace_dispose = dispose;
- editorInfo.ace_getFormattedCode = getFormattedCode;
- editorInfo.ace_setEditable = setEditable;
- editorInfo.ace_execCommand = execCommand;
-
- editorInfo.ace_setProperty = function(key, value) {
- var k = key.toLowerCase();
- if (k == "wraps") {
- setWraps(value);
- }
- else if (k == "showsauthorcolors") {
- setClassPresence(root, "authorColors", !!value);
- }
- else if (k == "showsuserselections") {
- setClassPresence(root, "userSelections", !!value);
- }
- else if (k == "showslinenumbers") {
- hasLineNumbers = !!value;
- setClassPresence(sideDiv, "sidedivhidden", ! hasLineNumbers);
- fixView();
- }
- else if (k == "grayedout") {
- setClassPresence(outerWin.document.body, "grayedout", !!value);
- }
- else if (k == "dmesg") {
- dmesg = value;
- window.dmesg = value;
- }
- else if (k == 'userauthor') {
- thisAuthor = String(value);
- }
- else if (k == 'styled') {
- setStyled(value);
- }
- else if (k == 'textface') {
- setTextFace(value);
- }
- else if (k == 'textsize') {
- setTextSize(value);
- }
- }
-
- editorInfo.ace_setBaseText = function(txt) {
- changesetTracker.setBaseText(txt);
- };
- editorInfo.ace_setBaseAttributedText = function(atxt, apoolJsonObj) {
- setUpTrackingCSS();
- changesetTracker.setBaseAttributedText(atxt, apoolJsonObj);
- };
- editorInfo.ace_applyChangesToBase = function(c, optAuthor, apoolJsonObj) {
- changesetTracker.applyChangesToBase(c, optAuthor, apoolJsonObj);
- };
- editorInfo.ace_prepareUserChangeset = function() {
- return changesetTracker.prepareUserChangeset();
- };
- editorInfo.ace_applyPreparedChangesetToBase = function() {
- changesetTracker.applyPreparedChangesetToBase();
- };
- editorInfo.ace_setUserChangeNotificationCallback = function(f) {
- changesetTracker.setUserChangeNotificationCallback(f);
- };
- editorInfo.ace_setAuthorInfo = function(author, info) {
- setAuthorInfo(author, info);
- };
- editorInfo.ace_setAuthorSelectionRange = function(author, start, end) {
- changesetTracker.setAuthorSelectionRange(author, start, end);
- };
-
- editorInfo.ace_getUnhandledErrors = function() {
- return caughtErrors.slice();
- };
-
- editorInfo.ace_getDebugProperty = function(prop) {
- if (prop == "debugger") {
- // obfuscate "eval" so as not to scare yuicompressor
- window['ev'+'al']("debugger");
- }
- else if (prop == "rep") {
- return rep;
- }
- else if (prop == "window") {
- return window;
- }
- else if (prop == "document") {
- return document;
- }
- return undefined;
- };
-
- function now() { return (new Date()).getTime(); }
-
- function newTimeLimit(ms) {
- //console.debug("new time limit");
- var startTime = now();
- var lastElapsed = 0;
- var exceededAlready = false;
- var printedTrace = false;
- var isTimeUp = function () {
- if (exceededAlready) {
- if ((! printedTrace)) {// && now() - startTime - ms > 300) {
- //console.trace();
- printedTrace = true;
- }
- return true;
- }
- var elapsed = now() - startTime;
- if (elapsed > ms) {
- exceededAlready = true;
- //console.debug("time limit hit, before was %d/%d", lastElapsed, ms);
- //console.trace();
- return true;
- }
- else {
- lastElapsed = elapsed;
- return false;
- }
- }
- isTimeUp.elapsed = function() { return now() - startTime; }
- return isTimeUp;
- }
-
-
- function makeIdleAction(func) {
- var scheduledTimeout = null;
- var scheduledTime = 0;
- function unschedule() {
- if (scheduledTimeout) {
- scheduler.clearTimeout(scheduledTimeout);
- scheduledTimeout = null;
- }
- }
- function reschedule(time) {
- unschedule();
- scheduledTime = time;
- var delay = time - now();
- if (delay < 0) delay = 0;
- scheduledTimeout = scheduler.setTimeout(callback, delay);
- }
- function callback() {
- scheduledTimeout = null;
- // func may reschedule the action
- func();
- }
- return {
- atMost: function (ms) {
- var latestTime = now() + ms;
- if ((! scheduledTimeout) || scheduledTime > latestTime) {
- reschedule(latestTime);
- }
- },
- // atLeast(ms) will schedule the action if not scheduled yet.
- // In other words, "infinity" is replaced by ms, even though
- // it is technically larger.
- atLeast: function (ms) {
- var earliestTime = now()+ms;
- if ((! scheduledTimeout) || scheduledTime < earliestTime) {
- reschedule(earliestTime);
- }
- },
- never: function() {
- unschedule();
- }
- }
- }
-
- function fastIncorp(n) {
- // normalize but don't do any lexing or anything
- incorporateUserChanges(newTimeLimit(0));
- }
-
- function incorpIfQuick() {
- var me = incorpIfQuick;
- var failures = (me.failures || 0);
- if (failures < 5) {
- var isTimeUp = newTimeLimit(40);
- var madeChanges = incorporateUserChanges(isTimeUp);
- if (isTimeUp()) {
- me.failures = failures+1;
- }
- return true;
- }
- else {
- var skipCount = (me.skipCount || 0);
- skipCount++;
- if (skipCount == 20) {
- skipCount = 0;
- me.failures = 0;
- }
- me.skipCount = skipCount;
- }
- return false;
- }
-
- var idleWorkTimer = makeIdleAction(function() {
-
- //if (! top.BEFORE) top.BEFORE = [];
- //top.BEFORE.push(magicdom.root.dom.innerHTML);
-
- if (! isEditable) return; // and don't reschedule
-
- if (inInternationalComposition) {
- // don't do idle input incorporation during international input composition
- idleWorkTimer.atLeast(500);
- return;
- }
-
- inCallStack("idleWorkTimer", function() {
-
- var isTimeUp = newTimeLimit(250);
-
- //console.time("idlework");
-
- var finishedImportantWork = false;
- var finishedWork = false;
-
- try {
-
- // isTimeUp() is a soft constraint for incorporateUserChanges,
- // which always renormalizes the DOM, no matter how long it takes,
- // but doesn't necessarily lex and highlight it
- incorporateUserChanges(isTimeUp);
-
- if (isTimeUp()) return;
-
- updateLineNumbers(); // update line numbers if any time left
-
- if (isTimeUp()) return;
-
- var visibleRange = getVisibleCharRange();
- var docRange = [0, rep.lines.totalWidth()];
- //console.log("%o %o", docRange, visibleRange);
-
- finishedImportantWork = true;
- finishedWork = true;
- }
- finally {
- //console.timeEnd("idlework");
- if (finishedWork) {
- idleWorkTimer.atMost(1000);
- }
- else if (finishedImportantWork) {
- // if we've finished highlighting the view area,
- // more highlighting could be counter-productive,
- // e.g. if the user just opened a triple-quote and will soon close it.
- idleWorkTimer.atMost(500);
- }
- else {
- var timeToWait = Math.round(isTimeUp.elapsed() / 2);
- if (timeToWait < 100) timeToWait = 100;
- idleWorkTimer.atMost(timeToWait);
- }
- }
- });
-
- //if (! top.AFTER) top.AFTER = [];
- //top.AFTER.push(magicdom.root.dom.innerHTML);
-
- });
-
- var _nextId = 1;
- function uniqueId(n) {
- // not actually guaranteed to be unique, e.g. if user copy-pastes
- // nodes with ids
- var nid = n.id;
- if (nid) return nid;
- return (n.id = "magicdomid"+(_nextId++));
- }
-
-
- function recolorLinesInRange(startChar, endChar, isTimeUp, optModFunc) {
- if (endChar <= startChar) return;
- if (startChar < 0 || startChar >= rep.lines.totalWidth()) return;
- var lineEntry = rep.lines.atOffset(startChar); // rounds down to line boundary
- var lineStart = rep.lines.offsetOfEntry(lineEntry);
- var lineIndex = rep.lines.indexOfEntry(lineEntry);
- var selectionNeedsResetting = false;
- var firstLine = null;
- var lastLine = null;
- isTimeUp = (isTimeUp || noop);
-
- // tokenFunc function; accesses current value of lineEntry and curDocChar,
- // also mutates curDocChar
- var curDocChar;
- var tokenFunc = function(tokenText, tokenClass) {
- lineEntry.domInfo.appendSpan(tokenText, tokenClass);
- };
- if (optModFunc) {
- var f = tokenFunc;
- tokenFunc = function(tokenText, tokenClass) {
- optModFunc(tokenText, tokenClass, f, curDocChar);
- curDocChar += tokenText.length;
- };
- }
-
- while (lineEntry && lineStart < endChar && ! isTimeUp()) {
- //var timer = newTimeLimit(200);
- var lineEnd = lineStart + lineEntry.width;
-
- curDocChar = lineStart;
- lineEntry.domInfo.clearSpans();
- getSpansForLine(lineEntry, tokenFunc, lineStart);
- lineEntry.domInfo.finishUpdate();
-
- markNodeClean(lineEntry.lineNode);
-
- if (rep.selStart && rep.selStart[0] == lineIndex ||
- rep.selEnd && rep.selEnd[0] == lineIndex) {
- selectionNeedsResetting = true;
- }
-
- //if (timer()) console.dirxml(lineEntry.lineNode.dom);
-
- if (firstLine === null) firstLine = lineIndex;
- lastLine = lineIndex;
- lineStart = lineEnd;
- lineEntry = rep.lines.next(lineEntry);
- lineIndex++;
- }
- if (selectionNeedsResetting) {
- currentCallStack.selectionAffected = true;
- }
- //console.debug("Recolored line range %d-%d", firstLine, lastLine);
- }
-
- // like getSpansForRange, but for a line, and the func takes (text,class)
- // instead of (width,class); excludes the trailing '\n' from
- // consideration by func
- function getSpansForLine(lineEntry, textAndClassFunc, lineEntryOffsetHint) {
- var lineEntryOffset = lineEntryOffsetHint;
- if ((typeof lineEntryOffset) != "number") {
- lineEntryOffset = rep.lines.offsetOfEntry(lineEntry);
- }
- var text = lineEntry.text;
- var width = lineEntry.width; // text.length+1
-
- if (text.length == 0) {
- // allow getLineStyleFilter to set line-div styles
- var func = linestylefilter.getLineStyleFilter(
- 0, '', textAndClassFunc, rep.apool);
- func('', '');
- }
- else {
- var offsetIntoLine = 0;
- var filteredFunc = textAndClassFunc;
- filteredFunc = linestylefilter.getURLFilter(text, filteredFunc);
- if (browser.msie) {
- // IE7+ will take an e-mail address like <foo@bar.com> and linkify it to foo@bar.com.
- // We then normalize it back to text with no angle brackets. It's weird. So always
- // break spans at an "at" sign.
- filteredFunc = linestylefilter.getAtSignSplitterFilter(
- text, filteredFunc);
- }
- var lineNum = rep.lines.indexOfEntry(lineEntry);
- var aline = rep.alines[lineNum];
- filteredFunc = linestylefilter.getLineStyleFilter(
- text.length, aline, filteredFunc, rep.apool);
- filteredFunc(text, '');
- }
- }
-
-
- function getCharType(charIndex) {
- return '';
- }
-
- var observedChanges;
- function clearObservedChanges() {
- observedChanges = { cleanNodesNearChanges: {} };
- }
- clearObservedChanges();
-
- function getCleanNodeByKey(key) {
- var p = PROFILER("getCleanNodeByKey", false);
- p.extra = 0;
- var n = doc.getElementById(key);
- // copying and pasting can lead to duplicate ids
- while (n && isNodeDirty(n)) {
- p.extra++;
- n.id = "";
- n = doc.getElementById(key);
- }
- p.literal(p.extra, "extra");
- p.end();
- return n;
- }
-
- function observeChangesAroundNode(node) {
- // Around this top-level DOM node, look for changes to the document
- // (from how it looks in our representation) and record them in a way
- // that can be used to "normalize" the document (apply the changes to our
- // representation, and put the DOM in a canonical form).
-
- //top.console.log("observeChangesAroundNode(%o)", node);
-
- var cleanNode;
- var hasAdjacentDirtyness;
- if (! isNodeDirty(node)) {
- cleanNode = node;
- var prevSib = cleanNode.previousSibling;
- var nextSib = cleanNode.nextSibling;
- hasAdjacentDirtyness = ((prevSib && isNodeDirty(prevSib))
- || (nextSib && isNodeDirty(nextSib)));
- }
- else {
- // node is dirty, look for clean node above
- var upNode = node.previousSibling;
- while (upNode && isNodeDirty(upNode)) {
- upNode = upNode.previousSibling;
- }
- if (upNode) {
- cleanNode = upNode;
- }
- else {
- var downNode = node.nextSibling;
- while (downNode && isNodeDirty(downNode)) {
- downNode = downNode.nextSibling;
- }
- if (downNode) {
- cleanNode = downNode;
- }
- }
- if (! cleanNode) {
- // Couldn't find any adjacent clean nodes!
- // Since top and bottom of doc is dirty, the dirty area will be detected.
- return;
- }
- hasAdjacentDirtyness = true;
- }
-
- if (hasAdjacentDirtyness) {
- // previous or next line is dirty
- observedChanges.cleanNodesNearChanges['$'+uniqueId(cleanNode)] = true;
- }
- else {
- // next and prev lines are clean (if they exist)
- var lineKey = uniqueId(cleanNode);
- var prevSib = cleanNode.previousSibling;
- var nextSib = cleanNode.nextSibling;
- var actualPrevKey = ((prevSib && uniqueId(prevSib)) || null);
- var actualNextKey = ((nextSib && uniqueId(nextSib)) || null);
- var repPrevEntry = rep.lines.prev(rep.lines.atKey(lineKey));
- var repNextEntry = rep.lines.next(rep.lines.atKey(lineKey));
- var repPrevKey = ((repPrevEntry && repPrevEntry.key) || null);
- var repNextKey = ((repNextEntry && repNextEntry.key) || null);
- if (actualPrevKey != repPrevKey || actualNextKey != repNextKey) {
- observedChanges.cleanNodesNearChanges['$'+uniqueId(cleanNode)] = true;
- }
- }
- }
-
- function observeChangesAroundSelection() {
- if (currentCallStack.observedSelection) return;
- currentCallStack.observedSelection = true;
-
- var p = PROFILER("getSelection", false);
- var selection = getSelection();
- p.end();
- if (selection) {
- function topLevel(n) {
- if ((!n) || n == root) return null;
- while (n.parentNode != root) {
- n = n.parentNode;
- }
- return n;
- }
- var node1 = topLevel(selection.startPoint.node);
- var node2 = topLevel(selection.endPoint.node);
- if (node1) observeChangesAroundNode(node1);
- if (node2 && node1 != node2) {
- observeChangesAroundNode(node2);
- }
- }
- }
-
- function observeSuspiciousNodes() {
- // inspired by Firefox bug #473255, where pasting formatted text
- // causes the cursor to jump away, making the new HTML never found.
- if (root.getElementsByTagName) {
- var nds = root.getElementsByTagName("style");
- for(var i=0;i<nds.length;i++) {
- var n = nds[i];
- while (n.parentNode && n.parentNode != root) {
- n = n.parentNode;
- }
- if (n.parentNode == root) {
- observeChangesAroundNode(n);
- }
- }
- }
- }
-
- function incorporateUserChanges(isTimeUp) {
-
- if (currentCallStack.domClean) return false;
-
- inInternationalComposition = false; // if we need the document normalized, so be it
-
- currentCallStack.isUserChange = true;
-
- isTimeUp = (isTimeUp || function() { return false; });
-
- if (DEBUG && top.DONT_INCORP || window.DEBUG_DONT_INCORP) return false;
-
- var p = PROFILER("incorp", false);
-
- //if (doc.body.innerHTML.indexOf("AppJet") >= 0)
- //dmesg(htmlPrettyEscape(doc.body.innerHTML));
- //if (top.RECORD) top.RECORD.push(doc.body.innerHTML);
-
- // returns true if dom changes were made
-
- if (! root.firstChild) {
- root.innerHTML = "<div><!-- --></div>";
- }
-
- p.mark("obs");
- observeChangesAroundSelection();
- observeSuspiciousNodes();
- p.mark("dirty");
- var dirtyRanges = getDirtyRanges();
- //console.log("dirtyRanges: "+toSource(dirtyRanges));
-
- var dirtyRangesCheckOut = true;
- var j = 0;
- var a,b;
- while (j < dirtyRanges.length) {
- a = dirtyRanges[j][0];
- b = dirtyRanges[j][1];
- if (! ((a == 0 || getCleanNodeByKey(rep.lines.atIndex(a-1).key)) &&
- (b == rep.lines.length() || getCleanNodeByKey(rep.lines.atIndex(b).key)))) {
- dirtyRangesCheckOut = false;
- break;
- }
- j++;
- }
- if (! dirtyRangesCheckOut) {
- var numBodyNodes = root.childNodes.length;
- for(var k=0;k<numBodyNodes;k++) {
- var bodyNode = root.childNodes.item(k);
- if ((bodyNode.tagName) && ((! bodyNode.id) || (! rep.lines.containsKey(bodyNode.id)))) {
- observeChangesAroundNode(bodyNode);
- }
- }
- dirtyRanges = getDirtyRanges();
- }
-
- clearObservedChanges();
-
- p.mark("getsel");
- var selection = getSelection();
-
- //console.log(magicdom.root.dom.innerHTML);
- //console.log("got selection: %o", selection);
- var selStart, selEnd; // each one, if truthy, has [line,char] needed to set selection
-
- var i = 0;
- var splicesToDo = [];
- var netNumLinesChangeSoFar = 0;
- var toDeleteAtEnd = [];
- p.mark("ranges");
- p.literal(dirtyRanges.length, "numdirt");
- var domInsertsNeeded = []; // each entry is [nodeToInsertAfter, [info1, info2, ...]]
- while (i < dirtyRanges.length) {
- var range = dirtyRanges[i];
- a = range[0];
- b = range[1];
- var firstDirtyNode = (((a == 0) && root.firstChild) ||
- getCleanNodeByKey(rep.lines.atIndex(a-1).key).nextSibling);
- firstDirtyNode = (firstDirtyNode && isNodeDirty(firstDirtyNode) && firstDirtyNode);
- var lastDirtyNode = (((b == rep.lines.length()) && root.lastChild) ||
- getCleanNodeByKey(rep.lines.atIndex(b).key).previousSibling);
- lastDirtyNode = (lastDirtyNode && isNodeDirty(lastDirtyNode) && lastDirtyNode);
- if (firstDirtyNode && lastDirtyNode) {
- var cc = makeContentCollector(isStyled, browser, rep.apool, null,
- className2Author);
- cc.notifySelection(selection);
- var dirtyNodes = [];
- for(var n = firstDirtyNode; n && ! (n.previousSibling &&
- n.previousSibling == lastDirtyNode);
- n = n.nextSibling) {
- if (browser.msie) {
- // try to undo IE's pesky and overzealous linkification
- try { n.createTextRange().execCommand("unlink", false, null); }
- catch (e) {}
- }
- cc.collectContent(n);
- dirtyNodes.push(n);
- }
- cc.notifyNextNode(lastDirtyNode.nextSibling);
- var lines = cc.getLines();
- if ((lines.length <= 1 || lines[lines.length-1] !== "")
- && lastDirtyNode.nextSibling) {
- // dirty region doesn't currently end a line, even taking the following node
- // (or lack of node) into account, so include the following clean node.
- // It could be SPAN or a DIV; basically this is any case where the contentCollector
- // decides it isn't done.
- // Note that this clean node might need to be there for the next dirty range.
- //console.log("inclusive of "+lastDirtyNode.next().dom.tagName);
- b++;
- var cleanLine = lastDirtyNode.nextSibling;
- cc.collectContent(cleanLine);
- toDeleteAtEnd.push(cleanLine);
- cc.notifyNextNode(cleanLine.nextSibling);
- }
-
- var ccData = cc.finish();
- var ss = ccData.selStart;
- var se = ccData.selEnd;
- lines = ccData.lines;
- var lineAttribs = ccData.lineAttribs;
- var linesWrapped = ccData.linesWrapped;
-
- if (linesWrapped > 0) {
- doAlert("Editor warning: "+linesWrapped+" long line"+
- (linesWrapped == 1 ? " was" : "s were")+" hard-wrapped into "+
- ccData.numLinesAfter
- +" lines.");
- }
-
- if (ss[0] >= 0) selStart = [ss[0]+a+netNumLinesChangeSoFar, ss[1]];
- if (se[0] >= 0) selEnd = [se[0]+a+netNumLinesChangeSoFar, se[1]];
-
- /*var oldLines = rep.alltext.substring(rep.lines.offsetOfIndex(a),
- rep.lines.offsetOfIndex(b));
- var newLines = lines.join('\n')+'\n';
- dmesg("OLD: "+htmlPrettyEscape(oldLines));
- dmesg("NEW: "+htmlPrettyEscape(newLines));*/
-
- var entries = [];
- var nodeToAddAfter = lastDirtyNode;
- var lineNodeInfos = new Array(lines.length);
- for(var k=0;k<lines.length;k++) {
- var lineString = lines[k];
- var newEntry = createDomLineEntry(lineString);
- entries.push(newEntry);
- lineNodeInfos[k] = newEntry.domInfo;
- }
- //var fragment = magicdom.wrapDom(document.createDocumentFragment());
- domInsertsNeeded.push([nodeToAddAfter, lineNodeInfos]);
- forEach(dirtyNodes, function (n) { toDeleteAtEnd.push(n); });
- var spliceHints = {};
- if (selStart) spliceHints.selStart = selStart;
- if (selEnd) spliceHints.selEnd = selEnd;
- splicesToDo.push([a+netNumLinesChangeSoFar, b-a, entries, lineAttribs, spliceHints]);
- netNumLinesChangeSoFar += (lines.length - (b-a));
- }
- else if (b > a) {
- splicesToDo.push([a+netNumLinesChangeSoFar, b-a, [], []]);
- }
- i++;
- }
-
- var domChanges = (splicesToDo.length > 0);
-
- // update the representation
- p.mark("splice");
- forEach(splicesToDo, function (splice) {
- doIncorpLineSplice(splice[0], splice[1], splice[2], splice[3], splice[4]);
- });
-
- //p.mark("relex");
- //rep.lexer.lexCharRange(getVisibleCharRange(), function() { return false; });
- //var isTimeUp = newTimeLimit(100);
-
- // do DOM inserts
- p.mark("insert");
- forEach(domInsertsNeeded, function (ins) {
- insertDomLines(ins[0], ins[1], isTimeUp);
- });
-
- p.mark("del");
- // delete old dom nodes
- forEach(toDeleteAtEnd, function (n) {
- //var id = n.uniqueId();
-
- // parent of n may not be "root" in IE due to non-tree-shaped DOM (wtf)
- n.parentNode.removeChild(n);
-
- //dmesg(htmlPrettyEscape(htmlForRemovedChild(n)));
- //console.log("removed: "+id);
- });
-
- p.mark("findsel");
- // if the nodes that define the selection weren't encountered during
- // content collection, figure out where those nodes are now.
- if (selection && !selStart) {
- //if (domChanges) dmesg("selection not collected");
- selStart = getLineAndCharForPoint(selection.startPoint);
- }
- if (selection && !selEnd) {
- selEnd = getLineAndCharForPoint(selection.endPoint);
- }
-
- // selection from content collection can, in various ways, extend past final
- // BR in firefox DOM, so cap the line
- var numLines = rep.lines.length();
- if (selStart && selStart[0] >= numLines) {
- selStart[0] = numLines-1;
- selStart[1] = rep.lines.atIndex(selStart[0]).text.length;
- }
- if (selEnd && selEnd[0] >= numLines) {
- selEnd[0] = numLines-1;
- selEnd[1] = rep.lines.atIndex(selEnd[0]).text.length;
- }
-
- p.mark("repsel");
- // update rep
- repSelectionChange(selStart, selEnd, selection && selection.focusAtStart);
- // update browser selection
- p.mark("browsel");
- if (selection && (domChanges || isCaret())) {
- // if no DOM changes (not this case), want to treat range selection delicately,
- // e.g. in IE not lose which end of the selection is the focus/anchor;
- // on the other hand, we may have just noticed a press of PageUp/PageDown
- currentCallStack.selectionAffected = true;
- }
-
- currentCallStack.domClean = true;
-
- p.mark("fixview");
-
- fixView();
-
- p.end("END");
-
- return domChanges;
- }
-
- function htmlForRemovedChild(n) {
- var div = doc.createElement("DIV");
- div.appendChild(n);
- return div.innerHTML;
- }
-
- var STYLE_ATTRIBS = {bold: true, italic: true, underline: true,
- strikethrough: true, h1: true, h2: true,
- h3: true, h4: true, h5: true, h6: true,
- list: true};
- var OTHER_INCORPED_ATTRIBS = {insertorder: true, author: true};
-
- function isStyleAttribute(aname) {
- return !! STYLE_ATTRIBS[aname];
- }
- function isIncorpedAttribute(aname) {
- return (!! STYLE_ATTRIBS[aname]) || (!! OTHER_INCORPED_ATTRIBS[aname]);
- }
-
- function insertDomLines(nodeToAddAfter, infoStructs, isTimeUp) {
- isTimeUp = (isTimeUp || function() { return false; });
-
- var lastEntry;
- var lineStartOffset;
- if (infoStructs.length < 1) return;
- var startEntry = rep.lines.atKey(uniqueId(infoStructs[0].node));
- var endEntry = rep.lines.atKey(uniqueId(infoStructs[infoStructs.length-1].node));
- var charStart = rep.lines.offsetOfEntry(startEntry);
- var charEnd = rep.lines.offsetOfEntry(endEntry) + endEntry.width;
-
- //rep.lexer.lexCharRange([charStart, charEnd], isTimeUp);
-
- forEach(infoStructs, function (info) {
- var p2 = PROFILER("insertLine", false);
- var node = info.node;
- var key = uniqueId(node);
- var entry;
- p2.mark("findEntry");
- if (lastEntry) {
- // optimization to avoid recalculation
- var next = rep.lines.next(lastEntry);
- if (next && next.key == key) {
- entry = next;
- lineStartOffset += lastEntry.width;
- }
- }
- if (! entry) {
- p2.literal(1, "nonopt");
- entry = rep.lines.atKey(key);
- lineStartOffset = rep.lines.offsetOfKey(key);
- }
- else p2.literal(0, "nonopt");
- lastEntry = entry;
- p2.mark("spans");
- getSpansForLine(entry, function (tokenText, tokenClass) {
- info.appendSpan(tokenText, tokenClass);
- }, lineStartOffset, isTimeUp());
- //else if (entry.text.length > 0) {
- //info.appendSpan(entry.text, 'dirty');
- //}
- p2.mark("addLine");
- info.prepareForAdd();
- entry.lineMarker = info.lineMarker;
- if (! nodeToAddAfter) {
- root.insertBefore(node, root.firstChild);
- }
- else {
- root.insertBefore(node, nodeToAddAfter.nextSibling);
- }
- nodeToAddAfter = node;
- info.notifyAdded();
- p2.mark("markClean");
- markNodeClean(node);
- p2.end();
- });
- }
-
- function isCaret() {
- return (rep.selStart && rep.selEnd && rep.selStart[0] == rep.selEnd[0] &&
- rep.selStart[1] == rep.selEnd[1]);
- }
-
- // prereq: isCaret()
- function caretLine() { return rep.selStart[0]; }
- function caretColumn() { return rep.selStart[1]; }
- function caretDocChar() {
- return rep.lines.offsetOfIndex(caretLine()) + caretColumn();
- }
-
- function handleReturnIndentation() {
- // on return, indent to level of previous line
- if (isCaret() && caretColumn() == 0 && caretLine() > 0) {
- var lineNum = caretLine();
- var thisLine = rep.lines.atIndex(lineNum);
- var prevLine = rep.lines.prev(thisLine);
- var prevLineText = prevLine.text;
- var theIndent = /^ *(?:)/.exec(prevLineText)[0];
- if (/[\[\(\{]\s*$/.exec(prevLineText)) theIndent += THE_TAB;
- var cs = Changeset.builder(rep.lines.totalWidth()).keep(
- rep.lines.offsetOfIndex(lineNum), lineNum).insert(
- theIndent, [['author',thisAuthor]], rep.apool).toString();
- performDocumentApplyChangeset(cs);
- performSelectionChange([lineNum, theIndent.length], [lineNum, theIndent.length]);
- }
- }
-
-
- function setupMozillaCaretHack(lineNum) {
- // This is really ugly, but by god, it works!
- // Fixes annoying Firefox caret artifact (observed in 2.0.0.12
- // and unfixed in Firefox 2 as of now) where mutating the DOM
- // and then moving the caret to the beginning of a line causes
- // an image of the caret to be XORed at the top of the iframe.
- // The previous solution involved remembering to set the selection
- // later, in response to the next event in the queue, which was hugely
- // annoying.
- // This solution: add a space character (0x20) to the beginning of the line.
- // After setting the selection, remove the space.
- var lineNode = rep.lines.atIndex(lineNum).lineNode;
-
- var fc = lineNode.firstChild;
- while (isBlockElement(fc) && fc.firstChild) {
- fc = fc.firstChild;
- }
- var textNode;
- if (isNodeText(fc)) {
- fc.nodeValue = " "+fc.nodeValue;
- textNode = fc;
- }
- else {
- textNode = doc.createTextNode(" ");
- fc.parentNode.insertBefore(textNode, fc);
- }
- markNodeClean(lineNode);
- return { unhack: function() {
- if (textNode.nodeValue == " ") {
- textNode.parentNode.removeChild(textNode);
- }
- else {
- textNode.nodeValue = textNode.nodeValue.substring(1);
- }
- markNodeClean(lineNode);
- } };
- }
-
-
- function getPointForLineAndChar(lineAndChar) {
- var line = lineAndChar[0];
- var charsLeft = lineAndChar[1];
- //console.log("line: %d, key: %s, node: %o", line, rep.lines.atIndex(line).key,
- //getCleanNodeByKey(rep.lines.atIndex(line).key));
- var lineEntry = rep.lines.atIndex(line);
- charsLeft -= lineEntry.lineMarker;
- if (charsLeft < 0) {
- charsLeft = 0;
- }
- var lineNode = lineEntry.lineNode;
- var n = lineNode;
- var after = false;
- if (charsLeft == 0) {
- var index = 0;
- if (browser.msie && line == (rep.lines.length()-1) && lineNode.childNodes.length == 0) {
- // best to stay at end of last empty div in IE
- index = 1;
- }
- return {node: lineNode, index:index, maxIndex:1};
- }
- while (!(n == lineNode && after)) {
- if (after) {
- if (n.nextSibling) {
- n = n.nextSibling;
- after = false;
- }
- else n = n.parentNode;
- }
- else {
- if (isNodeText(n)) {
- var len = n.nodeValue.length;
- if (charsLeft <= len) {
- return {node: n, index:charsLeft, maxIndex:len};
- }
- charsLeft -= len;
- after = true;
- }
- else {
- if (n.firstChild) n = n.firstChild;
- else after = true;
- }
- }
- }
- return {node: lineNode, index:1, maxIndex:1};
- }
-
- function nodeText(n) {
- return n.innerText || n.textContent || n.nodeValue || '';
- }
-
- function getLineAndCharForPoint(point) {
- // Turn DOM node selection into [line,char] selection.
- // This method has to work when the DOM is not pristine,
- // assuming the point is not in a dirty node.
- if (point.node == root) {
- if (point.index == 0) {
- return [0, 0];
- }
- else {
- var N = rep.lines.length();
- var ln = rep.lines.atIndex(N-1);
- return [N-1, ln.text.length];
- }
- }
- else {
- var n = point.node;
- var col = 0;
- // if this part fails, it probably means the selection node
- // was dirty, and we didn't see it when collecting dirty nodes.
- if (isNodeText(n)) {
- col = point.index;
- }
- else if (point.index > 0) {
- col = nodeText(n).length;
- }
- var parNode, prevSib;
- while ((parNode = n.parentNode) != root) {
- if ((prevSib = n.previousSibling)) {
- n = prevSib;
- col += nodeText(n).length;
- }
- else {
- n = parNode;
- }
- }
- if (n.id == "") console.debug("BAD");
- if (n.firstChild && isBlockElement(n.firstChild)) {
- col += 1; // lineMarker
- }
- var lineEntry = rep.lines.atKey(n.id);
- var lineNum = rep.lines.indexOfEntry(lineEntry);
- return [lineNum, col];
- }
- }
-
- function createDomLineEntry(lineString) {
- var info = doCreateDomLine(lineString.length > 0);
- var newNode = info.node;
- return {key: uniqueId(newNode), text: lineString, lineNode: newNode,
- domInfo: info, lineMarker: 0};
- }
-
- function canApplyChangesetToDocument(changes) {
- return Changeset.oldLen(changes) == rep.alltext.length;
- }
-
- function performDocumentApplyChangeset(changes, insertsAfterSelection) {
- doRepApplyChangeset(changes, insertsAfterSelection);
-
- var requiredSelectionSetting = null;
- if (rep.selStart && rep.selEnd) {
- var selStartChar = rep.lines.offsetOfIndex(rep.selStart[0]) + rep.selStart[1];
- var selEndChar = rep.lines.offsetOfIndex(rep.selEnd[0]) + rep.selEnd[1];
- var result = Changeset.characterRangeFollow(changes, selStartChar, selEndChar,
- insertsAfterSelection);
- requiredSelectionSetting = [result[0], result[1], rep.selFocusAtStart];
- }
-
- var linesMutatee = {
- splice: function(start, numRemoved, newLinesVA) {
- domAndRepSplice(start, numRemoved,
- map(Array.prototype.slice.call(arguments, 2),
- function(s) { return s.slice(0,-1); }),
- null);
- },
- get: function(i) { return rep.lines.atIndex(i).text+'\n'; },
- length: function() { return rep.lines.length(); },
- slice_notused: function(start, end) {
- return map(rep.lines.slice(start, end), function(e) { return e.text+'\n'; });
- }
- };
-
- Changeset.mutateTextLines(changes, linesMutatee);
-
- checkALines();
-
- if (requiredSelectionSetting) {
- performSelectionChange(lineAndColumnFromChar(requiredSelectionSetting[0]),
- lineAndColumnFromChar(requiredSelectionSetting[1]),
- requiredSelectionSetting[2]);
- }
-
- function domAndRepSplice(startLine, deleteCount, newLineStrings, isTimeUp) {
- // dgreensp 3/2009: the spliced lines may be in the middle of a dirty region,
- // so if no explicit time limit, don't spend a lot of time highlighting
- isTimeUp = (isTimeUp || newTimeLimit(50));
-
- var keysToDelete = [];
- if (deleteCount > 0) {
- var entryToDelete = rep.lines.atIndex(startLine);
- for(var i=0;i<deleteCount;i++) {
- keysToDelete.push(entryToDelete.key);
- entryToDelete = rep.lines.next(entryToDelete);
- }
- }
-
- var lineEntries = map(newLineStrings, createDomLineEntry);
-
- doRepLineSplice(startLine, deleteCount, lineEntries);
-
- var nodeToAddAfter;
- if (startLine > 0) {
- nodeToAddAfter = getCleanNodeByKey(rep.lines.atIndex(startLine-1).key);
- }
- else nodeToAddAfter = null;
-
- insertDomLines(nodeToAddAfter, map(lineEntries, function (entry) { return entry.domInfo; }),
- isTimeUp);
-
- forEach(keysToDelete, function (k) {
- var n = doc.getElementById(k);
- n.parentNode.removeChild(n);
- });
-
- if ((rep.selStart && rep.selStart[0] >= startLine && rep.selStart[0] <= startLine+deleteCount) ||
- (rep.selEnd && rep.selEnd[0] >= startLine && rep.selEnd[0] <= startLine+deleteCount)) {
- currentCallStack.selectionAffected = true;
- }
- }
- }
-
- function checkChangesetLineInformationAgainstRep(changes) {
- return true; // disable for speed
- var opIter = Changeset.opIterator(Changeset.unpack(changes).ops);
- var curOffset = 0;
- var curLine = 0;
- var curCol = 0;
- while (opIter.hasNext()) {
- var o = opIter.next();
- if (o.opcode == '-' || o.opcode == '=') {
- curOffset += o.chars;
- if (o.lines) {
- curLine += o.lines;
- curCol = 0;
- }
- else {
- curCol += o.chars;
- }
- }
- var calcLine = rep.lines.indexOfOffset(curOffset);
- var calcLineStart = rep.lines.offsetOfIndex(calcLine);
- var calcCol = curOffset - calcLineStart;
- if (calcCol != curCol || calcLine != curLine) {
- return false;
- }
- }
- return true;
- }
-
- function doRepApplyChangeset(changes, insertsAfterSelection) {
- Changeset.checkRep(changes);
-
- if (Changeset.oldLen(changes) != rep.alltext.length)
- throw new Error("doRepApplyChangeset length mismatch: "+
- Changeset.oldLen(changes)+"/"+rep.alltext.length);
-
- if (! checkChangesetLineInformationAgainstRep(changes)) {
- throw new Error("doRepApplyChangeset line break mismatch");
- }
-
- (function doRecordUndoInformation(changes) {
- var editEvent = currentCallStack.editEvent;
- if (editEvent.eventType == "nonundoable") {
- if (! editEvent.changeset) {
- editEvent.changeset = changes;
- }
- else {
- editEvent.changeset = Changeset.compose(editEvent.changeset, changes,
- rep.apool);
- }
- }
- else {
- var inverseChangeset = Changeset.inverse(changes, {get: function(i) {
- return rep.lines.atIndex(i).text+'\n';
- }, length: function() { return rep.lines.length(); }},
- rep.alines, rep.apool);
-
- if (! editEvent.backset) {
- editEvent.backset = inverseChangeset;
- }
- else {
- editEvent.backset = Changeset.compose(inverseChangeset,
- editEvent.backset, rep.apool);
- }
- }
- })(changes);
-
- //rep.alltext = Changeset.applyToText(changes, rep.alltext);
- Changeset.mutateAttributionLines(changes, rep.alines, rep.apool);
-
- if (changesetTracker.isTracking()) {
- changesetTracker.composeUserChangeset(changes);
- }
-
- }
-
- function lineAndColumnFromChar(x) {
- var lineEntry = rep.lines.atOffset(x);
- var lineStart = rep.lines.offsetOfEntry(lineEntry);
- var lineNum = rep.lines.indexOfEntry(lineEntry);
- return [lineNum, x - lineStart];
- }
-
- function performDocumentReplaceCharRange(startChar, endChar, newText) {
- if (startChar == endChar && newText.length == 0) {
- return;
- }
- // Requires that the replacement preserve the property that the
- // internal document text ends in a newline. Given this, we
- // rewrite the splice so that it doesn't touch the very last
- // char of the document.
- if (endChar == rep.alltext.length) {
- if (startChar == endChar) {
- // an insert at end
- startChar--;
- endChar--;
- newText = '\n'+newText.substring(0, newText.length-1);
- }
- else if (newText.length == 0) {
- // a delete at end
- startChar--;
- endChar--;
- }
- else {
- // a replace at end
- endChar--;
- newText = newText.substring(0, newText.length-1);
- }
- }
- performDocumentReplaceRange(lineAndColumnFromChar(startChar),
- lineAndColumnFromChar(endChar),
- newText);
- }
-
- function performDocumentReplaceRange(start, end, newText) {
- //dmesg(String([start.toSource(),end.toSource(),newText.toSource()]));
-
- // start[0]: <--- start[1] --->CCCCCCCCCCC\n
- // CCCCCCCCCCCCCCCCCCCC\n
- // CCCC\n
- // end[0]: <CCC end[1] CCC>-------\n
-
- var builder = Changeset.builder(rep.lines.totalWidth());
- buildKeepToStartOfRange(builder, start);
- buildRemoveRange(builder, start, end);
- builder.insert(newText, [['author',thisAuthor]], rep.apool);
- var cs = builder.toString();
-
- performDocumentApplyChangeset(cs);
- }
-
- function performDocumentApplyAttributesToCharRange(start, end, attribs) {
- if (end >= rep.alltext.length) {
- end = rep.alltext.length-1;
- }
- performDocumentApplyAttributesToRange(lineAndColumnFromChar(start),
- lineAndColumnFromChar(end), attribs);
- }
-
- function performDocumentApplyAttributesToRange(start, end, attribs) {
- var builder = Changeset.builder(rep.lines.totalWidth());
- buildKeepToStartOfRange(builder, start);
- buildKeepRange(builder, start, end, attribs, rep.apool);
- var cs = builder.toString();
- performDocumentApplyChangeset(cs);
- }
-
- function buildKeepToStartOfRange(builder, start) {
- var startLineOffset = rep.lines.offsetOfIndex(start[0]);
-
- builder.keep(startLineOffset, start[0]);
- builder.keep(start[1]);
- }
- function buildRemoveRange(builder, start, end) {
- var startLineOffset = rep.lines.offsetOfIndex(start[0]);
- var endLineOffset = rep.lines.offsetOfIndex(end[0]);
-
- if (end[0] > start[0]) {
- builder.remove(endLineOffset - startLineOffset - start[1], end[0] - start[0]);
- builder.remove(end[1]);
- }
- else {
- builder.remove(end[1] - start[1]);
- }
- }
- function buildKeepRange(builder, start, end, attribs, pool) {
- var startLineOffset = rep.lines.offsetOfIndex(start[0]);
- var endLineOffset = rep.lines.offsetOfIndex(end[0]);
-
- if (end[0] > start[0]) {
- builder.keep(endLineOffset - startLineOffset - start[1], end[0] - start[0], attribs, pool);
- builder.keep(end[1], 0, attribs, pool);
- }
- else {
- builder.keep(end[1] - start[1], 0, attribs, pool);
- }
- }
-
- function setAttributeOnSelection(attributeName, attributeValue) {
- if (!(rep.selStart && rep.selEnd)) return;
-
- performDocumentApplyAttributesToRange(rep.selStart, rep.selEnd,
- [[attributeName, attributeValue]]);
- }
-
- function toggleAttributeOnSelection(attributeName) {
- if (!(rep.selStart && rep.selEnd)) return;
-
- var selectionAllHasIt = true;
- var withIt = Changeset.makeAttribsString('+', [[attributeName, 'true']], rep.apool);
- var withItRegex = new RegExp(withIt.replace(/\*/g,'\\*')+"(\\*|$)");
- function hasIt(attribs) { return withItRegex.test(attribs); }
-
- var selStartLine = rep.selStart[0];
- var selEndLine = rep.selEnd[0];
- for(var n=selStartLine; n<=selEndLine; n++) {
- var opIter = Changeset.opIterator(rep.alines[n]);
- var indexIntoLine = 0;
- var selectionStartInLine = 0;
- var selectionEndInLine = rep.lines.atIndex(n).text.length; // exclude newline
- if (n == selStartLine) {
- selectionStartInLine = rep.selStart[1];
- }
- if (n == selEndLine) {
- selectionEndInLine = rep.selEnd[1];
- }
- while (opIter.hasNext()) {
- var op = opIter.next();
- var opStartInLine = indexIntoLine;
- var opEndInLine = opStartInLine + op.chars;
- if (! hasIt(op.attribs)) {
- // does op overlap selection?
- if (! (opEndInLine <= selectionStartInLine || opStartInLine >= selectionEndInLine)) {
- selectionAllHasIt = false;
- break;
- }
- }
- indexIntoLine = opEndInLine;
- }
- if (! selectionAllHasIt) {
- break;
- }
- }
-
- if (selectionAllHasIt) {
- performDocumentApplyAttributesToRange(rep.selStart, rep.selEnd,
- [[attributeName,'']]);
- }
- else {
- var settings = [[attributeName, 'true']];
-
- if (attributeName == 'h1' || attributeName == 'h2' || attributeName == 'h3' ||
- attributeName == 'h4' || attributeName == 'h5' || attributeName == 'h6') {
-
- settings = [['h1',''], ['h2',''], ['h3',''],
- ['h4',''], ['h5',''], ['h6','']];
- if (attributeName == 'h1') {
- settings[0] = [attributeName, 'true'];
- }
- else if (attributeName == 'h2') {
- settings[1] = [attributeName, 'true'];
- }
- else if (attributeName == 'h3') {
- settings[2] = [attributeName, 'true'];
- }
- else if (attributeName == 'h4') {
- settings[3] = [attributeName, 'true'];
- }
- else if (attributeName == 'h5') {
- settings[4] = [attributeName, 'true'];
- }
- else if (attributeName == 'h6') {
- settings[5] = [attributeName, 'true'];
- }
- }
-
- performDocumentApplyAttributesToRange(rep.selStart, rep.selEnd, settings);
- }
- }
-
- function performDocumentReplaceSelection(newText) {
- if (!(rep.selStart && rep.selEnd)) return;
- performDocumentReplaceRange(rep.selStart, rep.selEnd, newText);
- }
-
- // Change the abstract representation of the document to have a different set of lines.
- // Must be called after rep.alltext is set.
- function doRepLineSplice(startLine, deleteCount, newLineEntries) {
-
- forEach(newLineEntries, function (entry) { entry.width = entry.text.length+1; });
-
- var startOldChar = rep.lines.offsetOfIndex(startLine);
- var endOldChar = rep.lines.offsetOfIndex(startLine+deleteCount);
-
- var oldRegionStart = rep.lines.offsetOfIndex(startLine);
- var oldRegionEnd = rep.lines.offsetOfIndex(startLine+deleteCount);
- rep.lines.splice(startLine, deleteCount, newLineEntries);
- currentCallStack.docTextChanged = true;
- currentCallStack.repChanged = true;
- var newRegionEnd = rep.lines.offsetOfIndex(startLine + newLineEntries.length);
-
- var newText = map(newLineEntries, function (e) { return e.text+'\n'; }).join('');
-
- rep.alltext = rep.alltext.substring(0, startOldChar) + newText +
- rep.alltext.substring(endOldChar, rep.alltext.length);
-
- //var newTotalLength = rep.alltext.length;
-
- //rep.lexer.updateBuffer(rep.alltext, oldRegionStart, oldRegionEnd - oldRegionStart,
- //newRegionEnd - oldRegionStart);
- }
-
- function doIncorpLineSplice(startLine, deleteCount, newLineEntries, lineAttribs, hints) {
-
- var startOldChar = rep.lines.offsetOfIndex(startLine);
- var endOldChar = rep.lines.offsetOfIndex(startLine+deleteCount);
-
- var oldRegionStart = rep.lines.offsetOfIndex(startLine);
-
- var selStartHintChar, selEndHintChar;
- if (hints && hints.selStart) {
- selStartHintChar = rep.lines.offsetOfIndex(hints.selStart[0]) + hints.selStart[1] -
- oldRegionStart;
- }
- if (hints && hints.selEnd) {
- selEndHintChar = rep.lines.offsetOfIndex(hints.selEnd[0]) + hints.selEnd[1] -
- oldRegionStart;
- }
-
- var newText = map(newLineEntries, function (e) { return e.text+'\n'; }).join('');
- var oldText = rep.alltext.substring(startOldChar, endOldChar);
- var oldAttribs = rep.alines.slice(startLine, startLine+deleteCount).join('');
- var newAttribs = lineAttribs.join('|1+1')+'|1+1'; // not valid in a changeset
- var analysis = analyzeChange(oldText, newText, oldAttribs, newAttribs,
- selStartHintChar, selEndHintChar);
- var commonStart = analysis[0];
- var commonEnd = analysis[1];
- var shortOldText = oldText.substring(commonStart, oldText.length - commonEnd);
- var shortNewText = newText.substring(commonStart, newText.length - commonEnd);
- var spliceStart = startOldChar+commonStart;
- var spliceEnd = endOldChar-commonEnd;
- var shiftFinalNewlineToBeforeNewText = false;
-
- // adjust the splice to not involve the final newline of the document;
- // be very defensive
- if (shortOldText.charAt(shortOldText.length-1) == '\n' &&
- shortNewText.charAt(shortNewText.length-1) == '\n') {
- // replacing text that ends in newline with text that also ends in newline
- // (still, after analysis, somehow)
- shortOldText = shortOldText.slice(0,-1);
- shortNewText = shortNewText.slice(0,-1);
- spliceEnd--;
- commonEnd++;
- }
- if (shortOldText.length == 0 && spliceStart == rep.alltext.length
- && shortNewText.length > 0) {
- // inserting after final newline, bad
- spliceStart--;
- spliceEnd--;
- shortNewText = '\n'+shortNewText.slice(0,-1);
- shiftFinalNewlineToBeforeNewText = true;
- }
- if (spliceEnd == rep.alltext.length && shortOldText.length > 0 &&
- shortNewText.length == 0) {
- // deletion at end of rep.alltext
- if (rep.alltext.charAt(spliceStart-1) == '\n') {
- // (if not then what the heck? it will definitely lead
- // to a rep.alltext without a final newline)
- spliceStart--;
- spliceEnd--;
- }
- }
-
- if (! (shortOldText.length == 0 && shortNewText.length == 0)) {
- var oldDocText = rep.alltext;
- var oldLen = oldDocText.length;
-
- var spliceStartLine = rep.lines.indexOfOffset(spliceStart);
- var spliceStartLineStart = rep.lines.offsetOfIndex(spliceStartLine);
- function startBuilder() {
- var builder = Changeset.builder(oldLen);
- builder.keep(spliceStartLineStart, spliceStartLine);
- builder.keep(spliceStart - spliceStartLineStart);
- return builder;
- }
-
- function eachAttribRun(attribs, func/*(startInNewText, endInNewText, attribs)*/) {
- var attribsIter = Changeset.opIterator(attribs);
- var textIndex = 0;
- var newTextStart = commonStart;
- var newTextEnd = newText.length - commonEnd - (shiftFinalNewlineToBeforeNewText ? 1 : 0);
- while (attribsIter.hasNext()) {
- var op = attribsIter.next();
- var nextIndex = textIndex + op.chars;
- if (!(nextIndex <= newTextStart || textIndex >= newTextEnd)) {
- func(Math.max(newTextStart, textIndex), Math.min(newTextEnd, nextIndex), op.attribs);
- }
- textIndex = nextIndex;
- }
- }
-
- var justApplyStyles = (shortNewText == shortOldText);
- var theChangeset;
-
- if (justApplyStyles) {
- // create changeset that clears the incorporated styles on
- // the existing text. we compose this with the
- // changeset the applies the styles found in the DOM.
- // This allows us to incorporate, e.g., Safari's native "unbold".
-
- var incorpedAttribClearer = cachedStrFunc(function (oldAtts) {
- return Changeset.mapAttribNumbers(oldAtts, function(n) {
- var k = rep.apool.getAttribKey(n);
- if (isStyleAttribute(k)) {
- return rep.apool.putAttrib([k,'']);
- }
- return false;
- });
- });
-
- var builder1 = startBuilder();
- if (shiftFinalNewlineToBeforeNewText) {
- builder1.keep(1, 1);
- }
- eachAttribRun(oldAttribs, function(start, end, attribs) {
- builder1.keepText(newText.substring(start, end), incorpedAttribClearer(attribs));
- });
- var clearer = builder1.toString();
-
- var builder2 = startBuilder();
- if (shiftFinalNewlineToBeforeNewText) {
- builder2.keep(1, 1);
- }
- eachAttribRun(newAttribs, function(start, end, attribs) {
- builder2.keepText(newText.substring(start, end), attribs);
- });
- var styler = builder2.toString();
-
- theChangeset = Changeset.compose(clearer, styler, rep.apool);
- }
- else {
- var builder = startBuilder();
-
- var spliceEndLine = rep.lines.indexOfOffset(spliceEnd);
- var spliceEndLineStart = rep.lines.offsetOfIndex(spliceEndLine);
- if (spliceEndLineStart > spliceStart) {
- builder.remove(spliceEndLineStart - spliceStart, spliceEndLine - spliceStartLine);
- builder.remove(spliceEnd - spliceEndLineStart);
- }
- else {
- builder.remove(spliceEnd - spliceStart);
- }
-
- var isNewTextMultiauthor = false;
- var authorAtt = Changeset.makeAttribsString(
- '+', (thisAuthor ? [['author', thisAuthor]] : []), rep.apool);
- var authorizer = cachedStrFunc(function(oldAtts) {
- if (isNewTextMultiauthor) {
- // prefer colors from DOM
- return Changeset.composeAttributes(authorAtt, oldAtts, true, rep.apool);
- }
- else {
- // use this author's color
- return Changeset.composeAttributes(oldAtts, authorAtt, true, rep.apool);
- }
- });
-
- var foundDomAuthor = '';
- eachAttribRun(newAttribs, function(start, end, attribs) {
- var a = Changeset.attribsAttributeValue(attribs, 'author', rep.apool);
- if (a && a != foundDomAuthor) {
- if (! foundDomAuthor) {
- foundDomAuthor = a;
- }
- else {
- isNewTextMultiauthor = true; // multiple authors in DOM!
- }
- }
- });
-
- if (shiftFinalNewlineToBeforeNewText) {
- builder.insert('\n', authorizer(''));
- }
-
- eachAttribRun(newAttribs, function(start, end, attribs) {
- builder.insert(newText.substring(start, end), authorizer(attribs));
- });
- theChangeset = builder.toString();
- }
-
- //dmesg(htmlPrettyEscape(theChangeset));
-
- doRepApplyChangeset(theChangeset);
- }
-
- // do this no matter what, because we need to get the right
- // line keys into the rep.
- doRepLineSplice(startLine, deleteCount, newLineEntries);
-
- checkALines();
- }
-
- function cachedStrFunc(func) {
- var cache = {};
- return function(s) {
- if (! cache[s]) {
- cache[s] = func(s);
- }
- return cache[s];
- };
- }
-
- function analyzeChange(oldText, newText, oldAttribs, newAttribs, optSelStartHint, optSelEndHint) {
- function incorpedAttribFilter(anum) {
- return isStyleAttribute(rep.apool.getAttribKey(anum));
- }
- function attribRuns(attribs) {
- var lengs = [];
- var atts = [];
- var iter = Changeset.opIterator(attribs);
- while (iter.hasNext()) {
- var op = iter.next();
- lengs.push(op.chars);
- atts.push(op.attribs);
- }
- return [lengs,atts];
- }
- function attribIterator(runs, backward) {
- var lengs = runs[0];
- var atts = runs[1];
- var i = (backward ? lengs.length-1 : 0);
- var j = 0;
- return function next() {
- while (j >= lengs[i]) {
- if (backward) i--; else i++;
- j = 0;
- }
- var a = atts[i];
- j++;
- return a;
- };
- }
-
- var oldLen = oldText.length;
- var newLen = newText.length;
- var minLen = Math.min(oldLen, newLen);
-
- var oldARuns = attribRuns(Changeset.filterAttribNumbers(oldAttribs, incorpedAttribFilter));
- var newARuns = attribRuns(Changeset.filterAttribNumbers(newAttribs, incorpedAttribFilter));
-
- var commonStart = 0;
- var oldStartIter = attribIterator(oldARuns, false);
- var newStartIter = attribIterator(newARuns, false);
- while (commonStart < minLen) {
- if (oldText.charAt(commonStart) == newText.charAt(commonStart) &&
- oldStartIter() == newStartIter()) {
- commonStart++;
- }
- else break;
- }
-
- var commonEnd = 0;
- var oldEndIter = attribIterator(oldARuns, true);
- var newEndIter = attribIterator(newARuns, true);
- while (commonEnd < minLen) {
- if (commonEnd == 0) {
- // assume newline in common
- oldEndIter(); newEndIter();
- commonEnd++;
- }
- else if (oldText.charAt(oldLen-1-commonEnd) == newText.charAt(newLen-1-commonEnd) &&
- oldEndIter() == newEndIter()) {
- commonEnd++;
- }
- else break;
- }
-
- var hintedCommonEnd = -1;
- if ((typeof optSelEndHint) == "number") {
- hintedCommonEnd = newLen - optSelEndHint;
- }
-
-
- if (commonStart + commonEnd > oldLen) {
- // ambiguous insertion
- var minCommonEnd = oldLen - commonStart;
- var maxCommonEnd = commonEnd;
- if (hintedCommonEnd >= minCommonEnd && hintedCommonEnd <= maxCommonEnd) {
- commonEnd = hintedCommonEnd;
- }
- else {
- commonEnd = minCommonEnd;
- }
- commonStart = oldLen - commonEnd;
- }
- if (commonStart + commonEnd > newLen) {
- // ambiguous deletion
- var minCommonEnd = newLen - commonStart;
- var maxCommonEnd = commonEnd;
- if (hintedCommonEnd >= minCommonEnd && hintedCommonEnd <= maxCommonEnd) {
- commonEnd = hintedCommonEnd;
- }
- else {
- commonEnd = minCommonEnd;
- }
- commonStart = newLen - commonEnd;
- }
-
- return [commonStart, commonEnd];
- }
-
- function equalLineAndChars(a, b) {
- if (!a) return !b;
- if (!b) return !a;
- return (a[0] == b[0] && a[1] == b[1]);
- }
-
- function performSelectionChange(selectStart, selectEnd, focusAtStart) {
- if (repSelectionChange(selectStart, selectEnd, focusAtStart)) {
- currentCallStack.selectionAffected = true;
- }
- }
-
- // Change the abstract representation of the document to have a different selection.
- // Should not rely on the line representation. Should not affect the DOM.
- function repSelectionChange(selectStart, selectEnd, focusAtStart) {
- focusAtStart = !! focusAtStart;
-
- var newSelFocusAtStart = (focusAtStart &&
- ((! selectStart) || (! selectEnd) ||
- (selectStart[0] != selectEnd[0]) ||
- (selectStart[1] != selectEnd[1])));
-
- if ((! equalLineAndChars(rep.selStart, selectStart)) ||
- (! equalLineAndChars(rep.selEnd, selectEnd)) ||
- (rep.selFocusAtStart != newSelFocusAtStart)) {
- rep.selStart = selectStart;
- rep.selEnd = selectEnd;
- rep.selFocusAtStart = newSelFocusAtStart;
- if (mozillaFakeArrows) mozillaFakeArrows.notifySelectionChanged();
- currentCallStack.repChanged = true;
-
- return true;
- //console.log("selStart: %o, selEnd: %o, focusAtStart: %s", rep.selStart, rep.selEnd,
- //String(!!rep.selFocusAtStart));
- }
- return false;
- //console.log("%o %o %s", rep.selStart, rep.selEnd, rep.selFocusAtStart);
- }
-
- /*function escapeHTML(s) {
- var re = /[&<>'"]/g; /']/; // stupid indentation thing
- if (! re.MAP) {
- // persisted across function calls!
- re.MAP = {
- '&': '&amp;',
- '<': '&lt;',
- '>': '&gt;',
- '"': '&#34;',
- "'": '&#39;'
- };
- }
- return s.replace(re, function(c) { return re.MAP[c]; });
- }*/
-
- function doCreateDomLine(nonEmpty) {
- if (browser.msie && (! nonEmpty)) {
- var result = { node: null,
- appendSpan: noop,
- prepareForAdd: noop,
- notifyAdded: noop,
- clearSpans: noop,
- finishUpdate: noop,
- lineMarker: 0 };
-
- var lineElem = doc.createElement("div");
- result.node = lineElem;
-
- result.notifyAdded = function() {
- // magic -- settng an empty div's innerHTML to the empty string
- // keeps it from collapsing. Apparently innerHTML must be set *after*
- // adding the node to the DOM.
- // Such a div is what IE 6 creates naturally when you make a blank line
- // in a document of divs. However, when copy-and-pasted the div will
- // contain a space, so we note its emptiness with a property.
- lineElem.innerHTML = "";
- // a primitive-valued property survives copy-and-paste
- setAssoc(lineElem, "shouldBeEmpty", true);
- // an object property doesn't
- setAssoc(lineElem, "unpasted", {});
- };
- var lineClass = 'ace-line';
- result.appendSpan = function(txt, cls) {
- if ((! txt) && cls) {
- // gain a whole-line style (currently to show insertion point in CSS)
- lineClass = domline.addToLineClass(lineClass, cls);
- }
- // otherwise, ignore appendSpan, this is an empty line
- };
- result.clearSpans = function() {
- lineClass = ''; // non-null to cause update
- };
- function writeClass() {
- if (lineClass !== null) lineElem.className = lineClass;
- }
- result.prepareForAdd = writeClass;
- result.finishUpdate = writeClass;
- result.getInnerHTML = function() { return ""; };
-
- return result;
- }
- else {
- return domline.createDomLine(nonEmpty, doesWrap, browser, doc);
- }
- }
-
- function textify(str) {
- return str.replace(/[\n\r ]/g, ' ').replace(/\xa0/g, ' ').replace(/\t/g, ' ');
- }
-
- var _blockElems = { "div":1, "p":1, "pre":1, "li":1, "ol":1, "ul":1 };
- function isBlockElement(n) {
- return !!_blockElems[(n.tagName || "").toLowerCase()];
- }
-
- function getDirtyRanges() {
- // based on observedChanges, return a list of ranges of original lines
- // that need to be removed or replaced with new user content to incorporate
- // the user's changes into the line representation. ranges may be zero-length,
- // indicating inserted content. for example, [0,0] means content was inserted
- // at the top of the document, while [3,4] means line 3 was deleted, modified,
- // or replaced with one or more new lines of content. ranges do not touch.
-
- var p = PROFILER("getDirtyRanges", false);
- p.forIndices = 0;
- p.consecutives = 0;
- p.corrections = 0;
-
- var cleanNodeForIndexCache = {};
- var N = rep.lines.length(); // old number of lines
- function cleanNodeForIndex(i) {
- // if line (i) in the un-updated line representation maps to a clean node
- // in the document, return that node.
- // if (i) is out of bounds, return true. else return false.
- if (cleanNodeForIndexCache[i] === undefined) {
- p.forIndices++;
- var result;
- if (i < 0 || i >= N) {
- result = true; // truthy, but no actual node
- }
- else {
- var key = rep.lines.atIndex(i).key;
- result = (getCleanNodeByKey(key) || false);
- }
- cleanNodeForIndexCache[i] = result;
- }
- return cleanNodeForIndexCache[i];
- }
- var isConsecutiveCache = {};
- function isConsecutive(i) {
- if (isConsecutiveCache[i] === undefined) {
- p.consecutives++;
- isConsecutiveCache[i] = (function() {
- // returns whether line (i) and line (i-1), assumed to be map to clean DOM nodes,
- // or document boundaries, are consecutive in the changed DOM
- var a = cleanNodeForIndex(i-1);
- var b = cleanNodeForIndex(i);
- if ((!a) || (!b)) return false; // violates precondition
- if ((a === true) && (b === true)) return ! root.firstChild;
- if ((a === true) && b.previousSibling) return false;
- if ((b === true) && a.nextSibling) return false;
- if ((a === true) || (b === true)) return true;
- return a.nextSibling == b;
- })();
- }
- return isConsecutiveCache[i];
- }
- function isClean(i) {
- // returns whether line (i) in the un-updated representation maps to a clean node,
- // or is outside the bounds of the document
- return !! cleanNodeForIndex(i);
- }
- // list of pairs, each representing a range of lines that is clean and consecutive
- // in the changed DOM. lines (-1) and (N) are always clean, but may or may not
- // be consecutive with lines in the document. pairs are in sorted order.
- var cleanRanges = [[-1,N+1]];
- function rangeForLine(i) {
- // returns index of cleanRange containing i, or -1 if none
- var answer = -1;
- forEach(cleanRanges, function (r, idx) {
- if (i >= r[1]) return false; // keep looking
- if (i < r[0]) return true; // not found, stop looking
- answer = idx;
- return true; // found, stop looking
- });
- return answer;
- }
- function removeLineFromRange(rng, line) {
- // rng is index into cleanRanges, line is line number
- // precond: line is in rng
- var a = cleanRanges[rng][0];
- var b = cleanRanges[rng][1];
- if ((a+1) == b) cleanRanges.splice(rng, 1);
- else if (line == a) cleanRanges[rng][0]++;
- else if (line == (b-1)) cleanRanges[rng][1]--;
- else cleanRanges.splice(rng, 1, [a,line], [line+1,b]);
- }
- function splitRange(rng, pt) {
- // precond: pt splits cleanRanges[rng] into two non-empty ranges
- var a = cleanRanges[rng][0];
- var b = cleanRanges[rng][1];
- cleanRanges.splice(rng, 1, [a,pt], [pt,b]);
- }
- var correctedLines = {};
- function correctlyAssignLine(line) {
- if (correctedLines[line]) return true;
- p.corrections++;
- correctedLines[line] = true;
- // "line" is an index of a line in the un-updated rep.
- // returns whether line was already correctly assigned (i.e. correctly
- // clean or dirty, according to cleanRanges, and if clean, correctly
- // attached or not attached (i.e. in the same range as) the prev and next lines).
- //console.log("correctly assigning: %d", line);
- var rng = rangeForLine(line);
- var lineClean = isClean(line);
- if (rng < 0) {
- if (lineClean) {
- console.debug("somehow lost clean line");
- }
- return true;
- }
- if (! lineClean) {
- // a clean-range includes this dirty line, fix it
- removeLineFromRange(rng, line);
- return false;
- }
- else {
- // line is clean, but could be wrongly connected to a clean line
- // above or below
- var a = cleanRanges[rng][0];
- var b = cleanRanges[rng][1];
- var didSomething = false;
- // we'll leave non-clean adjacent nodes in the clean range for the caller to
- // detect and deal with. we deal with whether the range should be split
- // just above or just below this line.
- if (a < line && isClean(line-1) && ! isConsecutive(line)) {
- splitRange(rng, line);
- didSomething = true;
- }
- if (b > (line+1) && isClean(line+1) && ! isConsecutive(line+1)) {
- splitRange(rng, line+1);
- didSomething = true;
- }
- return ! didSomething;
- }
- }
- function detectChangesAroundLine(line, reqInARow) {
- // make sure cleanRanges is correct about line number "line" and the surrounding
- // lines; only stops checking at end of document or after no changes need
- // making for several consecutive lines. note that iteration is over old lines,
- // so this operation takes time proportional to the number of old lines
- // that are changed or missing, not the number of new lines inserted.
- var correctInARow = 0;
- var currentIndex = line;
- while (correctInARow < reqInARow && currentIndex >= 0) {
- if (correctlyAssignLine(currentIndex)) {
- correctInARow++;
- }
- else correctInARow = 0;
- currentIndex--;
- }
- correctInARow = 0;
- currentIndex = line;
- while (correctInARow < reqInARow && currentIndex < N) {
- if (correctlyAssignLine(currentIndex)) {
- correctInARow++;
- }
- else correctInARow = 0;
- currentIndex++;
- }
- }
-
- if (N == 0) {
- p.cancel();
- if (! isConsecutive(0)) {
- splitRange(0, 0);
- }
- }
- else {
- p.mark("topbot");
- detectChangesAroundLine(0,1);
- detectChangesAroundLine(N-1,1);
-
- p.mark("obs");
- //console.log("observedChanges: "+toSource(observedChanges));
- for (var k in observedChanges.cleanNodesNearChanges) {
- var key = k.substring(1);
- if (rep.lines.containsKey(key)) {
- var line = rep.lines.indexOfKey(key);
- detectChangesAroundLine(line,2);
- }
- }
- p.mark("stats&calc");
- p.literal(p.forIndices, "byidx");
- p.literal(p.consecutives, "cons");
- p.literal(p.corrections, "corr");
- }
-
- var dirtyRanges = [];
- for(var r=0;r<cleanRanges.length-1;r++) {
- dirtyRanges.push([cleanRanges[r][1], cleanRanges[r+1][0]]);
- }
-
- p.end();
-
- return dirtyRanges;
- }
-
- function markNodeClean(n) {
- // clean nodes have knownHTML that matches their innerHTML
- var dirtiness = {};
- dirtiness.nodeId = uniqueId(n);
- dirtiness.knownHTML = n.innerHTML;
- if (browser.msie) {
- // adding a space to an "empty" div in IE designMode doesn't
- // change the innerHTML of the div's parent; also, other
- // browsers don't support innerText
- dirtiness.knownText = n.innerText;
- }
- setAssoc(n, "dirtiness", dirtiness);
- }
-
- function isNodeDirty(n) {
- var p = PROFILER("cleanCheck", false);
- if (n.parentNode != root) return true;
- var data = getAssoc(n, "dirtiness");
- if (!data) return true;
- if (n.id !== data.nodeId) return true;
- if (browser.msie) {
- if (n.innerText !== data.knownText) return true;
- }
- if (n.innerHTML !== data.knownHTML) return true;
- p.end();
- return false;
- }
-
- function getLineEntryTopBottom(entry, destObj) {
- var dom = entry.lineNode;
- var top = dom.offsetTop;
- var height = dom.offsetHeight;
- var obj = (destObj || {});
- obj.top = top;
- obj.bottom = (top+height);
- return obj;
- }
-
- function getViewPortTopBottom() {
- var theTop = getScrollY();
- var doc = outerWin.document;
- var height = doc.documentElement.clientHeight;
- return {top:theTop, bottom:(theTop+height)};
- }
-
- function getVisibleLineRange() {
- var viewport = getViewPortTopBottom();
- //console.log("viewport top/bottom: %o", viewport);
- var obj = {};
- var start = rep.lines.search(function (e) {
- return getLineEntryTopBottom(e, obj).bottom > viewport.top;
- });
- var end = rep.lines.search(function(e) {
- return getLineEntryTopBottom(e, obj).top >= viewport.bottom;
- });
- if (end < start) end = start; // unlikely
- //console.log(start+","+end);
- return [start,end];
- }
-
- function getVisibleCharRange() {
- var lineRange = getVisibleLineRange();
- return [rep.lines.offsetOfIndex(lineRange[0]),
- rep.lines.offsetOfIndex(lineRange[1])];
- }
-
- function handleClick(evt) {
- inCallStack("handleClick", function() {
- idleWorkTimer.atMost(200);
- });
-
- // only want to catch left-click
- if ((! evt.ctrlKey) && (evt.button != 2) && (evt.button != 3)) {
- // find A tag with HREF
- function isLink(n) { return (n.tagName||'').toLowerCase() == "a" && n.href; }
- var n = evt.target;
- while (n && n.parentNode && ! isLink(n)) { n = n.parentNode; }
- if (n && isLink(n)) {
- try {
- var newWindow = window.open(n.href, '_blank');
- newWindow.focus();
- }
- catch (e) {
- // absorb "user canceled" error in IE for certain prompts
- }
- evt.preventDefault();
- }
- }
- }
-
- function doReturnKey() {
- if (! (rep.selStart && rep.selEnd)) {
- return;
- }
- var lineNum = rep.selStart[0];
- var listType = getLineListType(lineNum);
-
- performDocumentReplaceSelection('\n');
- if (listType) {
- if (lineNum+1 < rep.lines.length()) {
- setLineListType(lineNum+1, listType);
- }
- }
- else {
- handleReturnIndentation();
- }
- }
-
- function doIndentOutdent(isOut) {
- if (! (rep.selStart && rep.selEnd)) {
- return false;
- }
-
- var firstLine, lastLine;
- firstLine = rep.selStart[0];
- lastLine = Math.max(firstLine,
- rep.selEnd[0] - ((rep.selEnd[1] == 0) ? 1 : 0));
-
- var mods = [];
- var foundLists = false;
- for(var n=firstLine;n<=lastLine;n++) {
- var listType = getLineListType(n);
- if (listType) {
- listType = /([a-z]+)([12345678])/.exec(listType);
- if (listType) {
- foundLists = true;
- var t = listType[1];
- var level = Number(listType[2]);
- var newLevel =
- Math.max(1, Math.min(MAX_LIST_LEVEL,
- level + (isOut ? -1 : 1)));
- if (level != newLevel) {
- mods.push([n, t+newLevel]);
- }
- }
- }
- }
-
- if (mods.length > 0) {
- setLineListTypes(mods);
- }
-
- return foundLists;
- }
-
- function doTabKey(shiftDown) {
- if (! doIndentOutdent(shiftDown)) {
- performDocumentReplaceSelection(THE_TAB);
- }
- }
-
- function doDeleteKey(optEvt) {
- var evt = optEvt || {};
- var handled = false;
- if (rep.selStart) {
- if (isCaret()) {
- var lineNum = caretLine();
- var col = caretColumn();
- var lineEntry = rep.lines.atIndex(lineNum);
- var lineText = lineEntry.text;
- var lineMarker = lineEntry.lineMarker;
- if (/^ +$/.exec(lineText.substring(lineMarker, col))) {
- var col2 = col - lineMarker;
- var tabSize = THE_TAB.length;
- var toDelete = ((col2 - 1) % tabSize)+1;
- performDocumentReplaceRange([lineNum,col-toDelete],
- [lineNum,col], '');
- //scrollSelectionIntoView();
- handled = true;
- }
- }
- if (! handled) {
- if (isCaret()) {
- var theLine = caretLine();
- var lineEntry = rep.lines.atIndex(theLine);
- if (caretColumn() <= lineEntry.lineMarker) {
- // delete at beginning of line
- var action = 'delete_newline';
- var prevLineListType =
- (theLine > 0 ? getLineListType(theLine-1) : '');
- var thisLineListType = getLineListType(theLine);
- var prevLineEntry = (theLine > 0 &&
- rep.lines.atIndex(theLine-1));
- var prevLineBlank = (prevLineEntry &&
- prevLineEntry.text.length ==
- prevLineEntry.lineMarker);
- if (thisLineListType) {
- // this line is a list
- /*if (prevLineListType) {
- // prev line is a list too, remove this bullet
- performDocumentReplaceRange([theLine-1, prevLineEntry.text.length],
- [theLine, lineEntry.lineMarker], '');
- }
- else*/ if (prevLineBlank && ! prevLineListType) {
- // previous line is blank, remove it
- performDocumentReplaceRange([theLine-1, prevLineEntry.text.length],
- [theLine, 0], '');
- }
- else {
- // delistify
- performDocumentReplaceRange([theLine, 0],
- [theLine, lineEntry.lineMarker], '');
- }
- }
- else if (theLine > 0) {
- // remove newline
- performDocumentReplaceRange([theLine-1, prevLineEntry.text.length],
- [theLine, 0], '');
- }
- }
- else {
- var docChar = caretDocChar();
- if (docChar > 0) {
- if (evt.metaKey || evt.ctrlKey || evt.altKey) {
- // delete as many unicode "letters or digits" in a row as possible;
- // always delete one char, delete further even if that first char
- // isn't actually a word char.
- var deleteBackTo = docChar-1;
- while (deleteBackTo > lineEntry.lineMarker &&
- isWordChar(rep.alltext.charAt(deleteBackTo-1))) {
- deleteBackTo--;
- }
- performDocumentReplaceCharRange(deleteBackTo, docChar, '');
- }
- else {
- // normal delete
- performDocumentReplaceCharRange(docChar-1, docChar, '');
- }
- }
- }
- }
- else {
- performDocumentReplaceSelection('');
- }
- }
- }
- }
-
- // set of "letter or digit" chars is based on section 20.5.16 of the original Java Language Spec
- var REGEX_WORDCHAR = /[\u0030-\u0039\u0041-\u005A\u0061-\u007A\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u00FF\u0100-\u1FFF\u3040-\u9FFF\uF900-\uFDFF\uFE70-\uFEFE\uFF10-\uFF19\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFDC]/;
- var REGEX_SPACE = /\s/;
-
- function isWordChar(c) {
- return !! REGEX_WORDCHAR.exec(c);
- }
- function isSpaceChar(c) {
- return !! REGEX_SPACE.exec(c);
- }
-
- function moveByWordInLine(lineText, initialIndex, forwardNotBack) {
- var i = initialIndex;
- function nextChar() {
- if (forwardNotBack) return lineText.charAt(i);
- else return lineText.charAt(i-1);
- }
- function advance() { if (forwardNotBack) i++; else i--; }
- function isDone() {
- if (forwardNotBack) return i >= lineText.length;
- else return i <= 0;
- }
-
- // On Mac and Linux, move right moves to end of word and move left moves to start;
- // on Windows, always move to start of word.
- // On Windows, Firefox and IE disagree on whether to stop for punctuation (FF says no).
- if (browser.windows && forwardNotBack) {
- while ((! isDone()) && isWordChar(nextChar())) { advance(); }
- while ((! isDone()) && ! isWordChar(nextChar())) { advance(); }
- }
- else {
- while ((! isDone()) && ! isWordChar(nextChar())) { advance(); }
- while ((! isDone()) && isWordChar(nextChar())) { advance(); }
- }
-
- return i;
- }
-
- function handleKeyEvent(evt) {
- if (DEBUG && top.DONT_INCORP) return;
-
- /*if (evt.which == 48) {
- //setEditable(! isEditable);
- //doAlert(getInnerWidth());
- //doAlert(doc.documentElement.innerWidth)
- alert(eval(prompt()));
- evt.preventDefault();
- return;
- }*/
- /*if (evt.which == 48) {
- alert(doc.body.innerHTML);
- }*/
- /*if (evt.which == 48 && evt.type == "keydown") {
- var lineHeights = [];
- function eachChild(node, func) {
- if (node.firstChild) {
- var n = node.firstChild;
- while (n) {
- func(n);
- n = n.nextSibling;
- }
- }
- }
- eachChild(doc.body, function (n) {
- if (n.clientHeight) {
- lineHeights.push(n.clientHeight);
- }
- });
- alert(lineHeights.join(','));
- }*/
- /*if (evt.which == 48) {
- top.DONT_INCORP = true;
- var cmdTarget = doc;
- if (browser.msie) {
- if (doc.selection) {
- cmdTarget = doc.selection.createRange();
- }
- else cmdTarget = null;
- }
- if (cmdTarget) {
- cmdTarget.execCommand("Bold", false, null);
- }
- alert(doc.body.innerHTML);
- evt.preventDefault();
- return;
- }*/
- /*if (evt.which == 48) {
- if (evt.type == "keypress") {
- top.console.log(window.getSelection().getRangeAt(0));
- evt.preventDefault();
- }
- return;
- }*/
- /*if (evt.which == 48) {
- if (evt.type == "keypress") {
- inCallStack("bold", function() {
- fastIncorp(9);
- toggleAttributeOnSelection('bold');
- });
- evt.preventDefault();
- }
- return;
- }*/
- /*if (evt.which == 48) {
- if (evt.type == "keypress") {
- inCallStack("insertunorderedlist", function() {
- fastIncorp(9);
- doInsertUnorderedList();
- });
- evt.preventDefault();
- }
- return;
- }*/
-
- if (! isEditable) return;
-
- var type = evt.type;
- var charCode = evt.charCode;
- var keyCode = evt.keyCode;
- var mods = "";
- if (evt.altKey) mods = mods+"A";
- if (evt.ctrlKey) mods = mods+"C";
- if (evt.shiftKey) mods = mods+"S";
- if (evt.metaKey) mods = mods+"M";
- var modsPrfx = "";
- if (mods) modsPrfx = mods+"-";
- var which = evt.which;
-
- //dmesg("keyevent type: "+type+", which: "+which);
-
- // Don't take action based on modifier keys going up and down.
- // Modifier keys do not generate "keypress" events.
- // 224 is the command-key under Mac Firefox.
- // 91 is the Windows key in IE; it is ASCII for open-bracket but isn't the keycode for that key
- // 20 is capslock in IE.
- var isModKey = ((!charCode) &&
- ((type == "keyup") || (type == "keydown")) &&
- (keyCode == 16 || keyCode == 17 || keyCode == 18 || keyCode == 20 || keyCode == 224
- || keyCode == 91));
- if (isModKey) return;
-
- var specialHandled = false;
- var isTypeForSpecialKey = ((browser.msie || browser.safari) ?
- (type == "keydown") : (type == "keypress"));
- var isTypeForCmdKey = ((browser.msie || browser.safari) ? (type == "keydown") : (type == "keypress"));
-
- var stopped = false;
-
- inCallStack("handleKeyEvent", function() {
-
- if (type == "keypress" ||
- (isTypeForSpecialKey && keyCode == 13/*return*/)) {
- // in IE, special keys don't send keypress, the keydown does the action
- if (! outsideKeyPress(evt)) {
- evt.preventDefault();
- stopped = true;
- }
- }
- else if (type == "keydown") {
- outsideKeyDown(evt);
- }
-
- if (! stopped) {
- if (isTypeForSpecialKey && keyCode == 8) {
- // "delete" key; in mozilla, if we're at the beginning of a line, normalize now,
- // or else deleting a blank line can take two delete presses.
- // --
- // we do deletes completely customly now:
- // - allows consistent (and better) meta-delete behavior
- // - normalizing and then allowing default behavior confused IE
- // - probably eliminates a few minor quirks
- fastIncorp(3);
- evt.preventDefault();
- doDeleteKey(evt);
- specialHandled = true;
- }
- if ((!specialHandled) && isTypeForSpecialKey && keyCode == 13) {
- // return key, handle specially;
- // note that in mozilla we need to do an incorporation for proper return behavior anyway.
- fastIncorp(4);
- evt.preventDefault();
- doReturnKey();
- //scrollSelectionIntoView();
- scheduler.setTimeout(function() {outerWin.scrollBy(-100,0);}, 0);
- specialHandled = true;
- }
- if ((!specialHandled) && isTypeForSpecialKey && keyCode == 9 &&
- ! (evt.metaKey || evt.ctrlKey)) {
- // tab
- fastIncorp(5);
- evt.preventDefault();
- doTabKey(evt.shiftKey);
- //scrollSelectionIntoView();
- specialHandled = true;
- }
- if ((!specialHandled) && isTypeForCmdKey &&
- String.fromCharCode(which).toLowerCase() == "z" &&
- (evt.metaKey || evt.ctrlKey)) {
- // cmd-Z (undo)
- fastIncorp(6);
- evt.preventDefault();
- if (evt.shiftKey) {
- doUndoRedo("redo");
- }
- else {
- doUndoRedo("undo");
- }
- specialHandled = true;
- }
- if ((!specialHandled) && isTypeForCmdKey &&
- String.fromCharCode(which).toLowerCase() == "y" &&
- (evt.metaKey || evt.ctrlKey)) {
- // cmd-Y (redo)
- fastIncorp(10);
- evt.preventDefault();
- doUndoRedo("redo");
- specialHandled = true;
- }
- if ((!specialHandled) && isTypeForCmdKey &&
- String.fromCharCode(which).toLowerCase() == "b" &&
- (evt.metaKey || evt.ctrlKey)) {
- // cmd-B (bold)
- fastIncorp(13);
- evt.preventDefault();
- toggleAttributeOnSelection('bold');
- specialHandled = true;
- }
- if ((!specialHandled) && isTypeForCmdKey &&
- String.fromCharCode(which).toLowerCase() == "i" &&
- (evt.metaKey || evt.ctrlKey)) {
- // cmd-I (italic)
- fastIncorp(14);
- evt.preventDefault();
- toggleAttributeOnSelection('italic');
- specialHandled = true;
- }
- if ((!specialHandled) && isTypeForCmdKey &&
- String.fromCharCode(which).toLowerCase() == "u" &&
- (evt.metaKey || evt.ctrlKey)) {
- // cmd-U (underline)
- fastIncorp(15);
- evt.preventDefault();
- toggleAttributeOnSelection('underline');
- specialHandled = true;
- }
- if ((!specialHandled) && isTypeForCmdKey &&
- String.fromCharCode(which).toLowerCase() == "h" &&
- (evt.ctrlKey)) {
- // cmd-H (backspace)
- fastIncorp(20);
- evt.preventDefault();
- doDeleteKey();
- specialHandled = true;
- }
- /*if ((!specialHandled) && isTypeForCmdKey &&
- String.fromCharCode(which).toLowerCase() == "u" &&
- (evt.metaKey || evt.ctrlKey)) {
- // cmd-U
- doc.body.innerHTML = '';
- evt.preventDefault();
- specialHandled = true;
- }*/
-
- if (mozillaFakeArrows && mozillaFakeArrows.handleKeyEvent(evt)) {
- evt.preventDefault();
- specialHandled = true;
- }
- }
-
- if (type == "keydown") {
- idleWorkTimer.atLeast(500);
- }
- else if (type == "keypress") {
- if ((! specialHandled) && parenModule.shouldNormalizeOnChar(charCode)) {
- idleWorkTimer.atMost(0);
- }
- else {
- idleWorkTimer.atLeast(500);
- }
- }
- else if (type == "keyup") {
- var wait = 200;
- idleWorkTimer.atLeast(wait);
- idleWorkTimer.atMost(wait);
- }
-
- // Is part of multi-keystroke international character on Firefox Mac
- var isFirefoxHalfCharacter =
- (browser.mozilla && evt.altKey && charCode == 0 && keyCode == 0);
-
- // Is part of multi-keystroke international character on Safari Mac
- var isSafariHalfCharacter =
- (browser.safari && evt.altKey && keyCode == 229);
-
- if (thisKeyDoesntTriggerNormalize || isFirefoxHalfCharacter || isSafariHalfCharacter) {
- idleWorkTimer.atLeast(3000); // give user time to type
- // if this is a keydown, e.g., the keyup shouldn't trigger a normalize
- thisKeyDoesntTriggerNormalize = true;
- }
-
- if ((! specialHandled) && (! thisKeyDoesntTriggerNormalize) &&
- (! inInternationalComposition)) {
- if (type != "keyup" || ! incorpIfQuick()) {
- observeChangesAroundSelection();
- }
- }
-
- if (type == "keyup") {
- thisKeyDoesntTriggerNormalize = false;
- }
- });
- }
-
- var thisKeyDoesntTriggerNormalize = false;
-
- function doUndoRedo(which) {
- // precond: normalized DOM
- if (undoModule.enabled) {
- var whichMethod;
- if (which == "undo") whichMethod = 'performUndo';
- if (which == "redo") whichMethod = 'performRedo';
- if (whichMethod) {
- var oldEventType = currentCallStack.editEvent.eventType;
- currentCallStack.startNewEvent(which);
- undoModule[whichMethod](function(backset, selectionInfo) {
- if (backset) {
- performDocumentApplyChangeset(backset);
- }
- if (selectionInfo) {
- performSelectionChange(lineAndColumnFromChar(selectionInfo.selStart),
- lineAndColumnFromChar(selectionInfo.selEnd),
- selectionInfo.selFocusAtStart);
- }
- var oldEvent = currentCallStack.startNewEvent(oldEventType, true);
- return oldEvent;
- });
- }
- }
- }
-
- /*function enforceNewTextTypedStyle() {
- var sel = getSelection();
- var n = (sel && sel.startPoint && sel.startPoint.node);
- if (!n) return;
- var isInOurNode = false;
- while (n) {
- if (n.tagName) {
- var tag = n.tagName.toLowerCase();
- if (tag == "b" || tag == "strong") {
- isInOurNode = true;
- break;
- }
- if (((typeof n.className) == "string") &&
- n.className.toLowerCase().indexOf("Apple-style-span") >= 0) {
- isInOurNode = true;
- break;
- }
- }
- n = n.parentNode;
- }
-
- if (! isInOurNode) {
- doc.execCommand("Bold", false, null);
- }
-
- if (! browser.msie) {
- var browserSelection = window.getSelection();
- if (browserSelection && browserSelection.type != "None" &&
- browserSelection.rangeCount !== 0) {
- var range = browserSelection.getRangeAt(0);
- var surrounder = doc.createElement("B");
- range.surroundContents(surrounder);
- range.selectNodeContents(surrounder);
- browserSelection.removeAllRanges();
- browserSelection.addRange(range);
- }
- }
- }*/
-
- function updateBrowserSelectionFromRep() {
- // requires normalized DOM!
- var selStart = rep.selStart, selEnd = rep.selEnd;
-
- if (!(selStart && selEnd)) {
- setSelection(null);
- return;
- }
-
- var mozillaCaretHack = (false && browser.mozilla && selStart && selEnd &&
- selStart[0] == selEnd[0]
- && selStart[1] == rep.lines.atIndex(selStart[0]).lineMarker
- && selEnd[1] == rep.lines.atIndex(selEnd[0]).lineMarker &&
- setupMozillaCaretHack(selStart[0]));
-
- var selection = {};
-
- var ss = [selStart[0], selStart[1]];
- if (mozillaCaretHack) ss[1] += 1;
- selection.startPoint = getPointForLineAndChar(ss);
-
- var se = [selEnd[0], selEnd[1]];
- if (mozillaCaretHack) se[1] += 1;
- selection.endPoint = getPointForLineAndChar(se);
-
- selection.focusAtStart = !!rep.selFocusAtStart;
-
- setSelection(selection);
-
- if (mozillaCaretHack) {
- mozillaCaretHack.unhack();
- }
- }
-
- function getRepHTML() {
- /*function lineWithSelection(text, lineNum) {
- var haveSelStart = (rep.selStart && rep.selStart[0] == lineNum);
- var haveSelEnd = (rep.selEnd && rep.selEnd[0] == lineNum);
- var startCol = (haveSelStart && rep.selStart[1]);
- var endCol = (haveSelEnd && rep.selEnd[1]);
- var len = text.length;
- if (haveSelStart && haveSelEnd && startCol == endCol) {
- var color = "#000";
- if (endCol == len) {
- return '<span style="border-right: 1px solid '+color+'">'+
- htmlEscape(text)+'</span>';
- }
- else {
- return htmlEscape
- }
- }
- }*/
-
- return map(rep.lines.slice(), function (entry) {
- var text = entry.text;
- var content;
- if (text.length == 0) {
- content = '<span style="color: #aaa">--</span>';
- }
- else {
- content = htmlPrettyEscape(text);
- }
- return '<div><code>'+content+'</div></code>';
- }).join('');
- }
-
- function nodeMaxIndex(nd) {
- if (isNodeText(nd)) return nd.nodeValue.length;
- else return 1;
- }
-
- function hasIESelection() {
- var browserSelection;
- try { browserSelection = doc.selection; } catch (e) {}
- if (! browserSelection) return false;
- var origSelectionRange;
- try { origSelectionRange = browserSelection.createRange(); } catch (e) {}
- if (! origSelectionRange) return false;
- var selectionParent = origSelectionRange.parentElement();
- if (selectionParent.ownerDocument != doc) return false;
- return true;
- }
-
- function getSelection() {
- // returns null, or a structure containing startPoint and endPoint,
- // each of which has node (a magicdom node), index, and maxIndex. If the node
- // is a text node, maxIndex is the length of the text; else maxIndex is 1.
- // index is between 0 and maxIndex, inclusive.
- if (browser.msie) {
- var browserSelection;
- try { browserSelection = doc.selection; } catch (e) {}
- if (! browserSelection) return null;
- var origSelectionRange;
- try { origSelectionRange = browserSelection.createRange(); } catch (e) {}
- if (! origSelectionRange) return null;
- var selectionParent = origSelectionRange.parentElement();
- if (selectionParent.ownerDocument != doc) return null;
- function newRange() {
- return doc.body.createTextRange();
- }
- function rangeForElementNode(nd) {
- var rng = newRange();
- // doesn't work on text nodes
- rng.moveToElementText(nd);
- return rng;
- }
- function pointFromCollapsedRange(rng) {
- var parNode = rng.parentElement();
- var elemBelow = -1;
- var elemAbove = parNode.childNodes.length;
- var rangeWithin = rangeForElementNode(parNode);
-
- if (rng.compareEndPoints("StartToStart", rangeWithin) == 0) {
- return {node:parNode, index:0, maxIndex:1};
- }
- else if (rng.compareEndPoints("EndToEnd", rangeWithin) == 0) {
- if (isBlockElement(parNode) && parNode.nextSibling) {
- // caret after block is not consistent across browsers
- // (same line vs next) so put caret before next node
- return {node:parNode.nextSibling, index:0, maxIndex:1};
- }
- return {node:parNode, index:1, maxIndex:1};
- }
- else if (parNode.childNodes.length == 0) {
- return {node:parNode, index:0, maxIndex:1};
- }
-
- for(var i=0;i<parNode.childNodes.length;i++) {
- var n = parNode.childNodes.item(i);
- if (! isNodeText(n)) {
- var nodeRange = rangeForElementNode(n);
- var startComp = rng.compareEndPoints("StartToStart", nodeRange);
- var endComp = rng.compareEndPoints("EndToEnd", nodeRange);
- if (startComp >= 0 && endComp <= 0) {
- var index = 0;
- if (startComp > 0) {
- index = 1;
- }
- return {node:n, index:index, maxIndex:1};
- }
- else if (endComp > 0) {
- if (i > elemBelow) {
- elemBelow = i;
- rangeWithin.setEndPoint("StartToEnd", nodeRange);
- }
- }
- else if (startComp < 0) {
- if (i < elemAbove) {
- elemAbove = i;
- rangeWithin.setEndPoint("EndToStart", nodeRange);
- }
- }
- }
- }
- if ((elemAbove - elemBelow) == 1) {
- if (elemBelow >= 0) {
- return {node:parNode.childNodes.item(elemBelow), index:1, maxIndex:1};
- }
- else {
- return {node:parNode.childNodes.item(elemAbove), index:0, maxIndex:1};
- }
- }
- var idx = 0;
- var r = rng.duplicate();
- // infinite stateful binary search! call function for values 0 to inf,
- // expecting the answer to be about 40. return index of smallest
- // true value.
- var indexIntoRange = binarySearchInfinite(40, function (i) {
- // the search algorithm whips the caret back and forth,
- // though it has to be moved relatively and may hit
- // the end of the buffer
- var delta = i-idx;
- var moved = Math.abs(r.move("character", -delta));
- // next line is work-around for fact that when moving left, the beginning
- // of a text node is considered to be after the start of the parent element:
- if (r.move("character", -1)) r.move("character", 1);
- if (delta < 0) idx -= moved;
- else idx += moved;
- return (r.compareEndPoints("StartToStart", rangeWithin) <= 0);
- });
- // iterate over consecutive text nodes, point is in one of them
- var textNode = elemBelow+1;
- var indexLeft = indexIntoRange;
- while (textNode < elemAbove) {
- var tn = parNode.childNodes.item(textNode);
- if (indexLeft <= tn.nodeValue.length) {
- return {node:tn, index:indexLeft, maxIndex:tn.nodeValue.length};
- }
- indexLeft -= tn.nodeValue.length;
- textNode++;
- }
- var tn = parNode.childNodes.item(textNode-1);
- return {node:tn, index:tn.nodeValue.length, maxIndex:tn.nodeValue.length};
- }
- var selection = {};
- if (origSelectionRange.compareEndPoints("StartToEnd", origSelectionRange) == 0) {
- // collapsed
- var pnt = pointFromCollapsedRange(origSelectionRange);
- selection.startPoint = pnt;
- selection.endPoint = {node:pnt.node, index:pnt.index, maxIndex:pnt.maxIndex};
- }
- else {
- var start = origSelectionRange.duplicate();
- start.collapse(true);
- var end = origSelectionRange.duplicate();
- end.collapse(false);
- selection.startPoint = pointFromCollapsedRange(start);
- selection.endPoint = pointFromCollapsedRange(end);
- /*if ((!selection.startPoint.node.isText) && (!selection.endPoint.node.isText)) {
- console.log(selection.startPoint.node.uniqueId()+","+
- selection.startPoint.index+" / "+
- selection.endPoint.node.uniqueId()+","+
- selection.endPoint.index);
- }*/
- }
- return selection;
- }
- else {
- // non-IE browser
- var browserSelection = window.getSelection();
- if (browserSelection && browserSelection.type != "None" &&
- browserSelection.rangeCount !== 0) {
- var range = browserSelection.getRangeAt(0);
- function isInBody(n) {
- while (n && ! (n.tagName && n.tagName.toLowerCase() == "body")) {
- n = n.parentNode;
- }
- return !!n;
- }
- function pointFromRangeBound(container, offset) {
- if (! isInBody(container)) {
- // command-click in Firefox selects whole document, HEAD and BODY!
- return {node:root, index:0, maxIndex:1};
- }
- var n = container;
- var childCount = n.childNodes.length;
- if (isNodeText(n)) {
- return {node:n, index:offset, maxIndex:n.nodeValue.length};
- }
- else if (childCount == 0) {
- return {node:n, index:0, maxIndex:1};
- }
- // treat point between two nodes as BEFORE the second (rather than after the first)
- // if possible; this way point at end of a line block-element is treated as
- // at beginning of next line
- else if (offset == childCount) {
- var nd = n.childNodes.item(childCount-1);
- var max = nodeMaxIndex(nd);
- return {node:nd, index:max, maxIndex:max};
- }
- else {
- var nd = n.childNodes.item(offset);
- var max = nodeMaxIndex(nd);
- return {node:nd, index:0, maxIndex:max};
- }
- }
- var selection = {};
- selection.startPoint = pointFromRangeBound(range.startContainer, range.startOffset);
- selection.endPoint = pointFromRangeBound(range.endContainer, range.endOffset);
- selection.focusAtStart = (((range.startContainer != range.endContainer) ||
- (range.startOffset != range.endOffset)) &&
- browserSelection.anchorNode &&
- (browserSelection.anchorNode == range.endContainer) &&
- (browserSelection.anchorOffset == range.endOffset));
- return selection;
- }
- else return null;
- }
- }
-
- function setSelection(selection) {
- function copyPoint(pt) {
- return {node:pt.node, index:pt.index, maxIndex:pt.maxIndex};
- }
- if (browser.msie) {
- // Oddly enough, accessing scrollHeight fixes return key handling on IE 8,
- // presumably by forcing some kind of internal DOM update.
- doc.body.scrollHeight;
-
- function moveToElementText(s, n) {
- while (n.firstChild && ! isNodeText(n.firstChild)) {
- n = n.firstChild;
- }
- s.moveToElementText(n);
- }
- function newRange() {
- return doc.body.createTextRange();
- }
- function setCollapsedBefore(s, n) {
- // s is an IE TextRange, n is a dom node
- if (isNodeText(n)) {
- // previous node should not also be text, but prevent inf recurs
- if (n.previousSibling && ! isNodeText(n.previousSibling)) {
- setCollapsedAfter(s, n.previousSibling);
- }
- else {
- setCollapsedBefore(s, n.parentNode);
- }
- }
- else {
- moveToElementText(s, n);
- // work around for issue that caret at beginning of line
- // somehow ends up at end of previous line
- if (s.move('character', 1)) {
- s.move('character', -1);
- }
- s.collapse(true); // to start
- }
- }
- function setCollapsedAfter(s, n) {
- // s is an IE TextRange, n is a magicdom node
- if (isNodeText(n)) {
- // can't use end of container when no nextSibling (could be on next line),
- // so use previousSibling or start of container and move forward.
- setCollapsedBefore(s, n);
- s.move("character", n.nodeValue.length);
- }
- else {
- moveToElementText(s, n);
- s.collapse(false); // to end
- }
- }
- function getPointRange(point) {
- var s = newRange();
- var n = point.node;
- if (isNodeText(n)) {
- setCollapsedBefore(s, n);
- s.move("character", point.index);
- }
- else if (point.index == 0) {
- setCollapsedBefore(s, n);
- }
- else {
- setCollapsedAfter(s, n);
- }
- return s;
- }
-
- if (selection) {
- if (! hasIESelection()) {
- return; // don't steal focus
- }
-
- var startPoint = copyPoint(selection.startPoint);
- var endPoint = copyPoint(selection.endPoint);
-
- // fix issue where selection can't be extended past end of line
- // with shift-rightarrow or shift-downarrow
- if (endPoint.index == endPoint.maxIndex && endPoint.node.nextSibling) {
- endPoint.node = endPoint.node.nextSibling;
- endPoint.index = 0;
- endPoint.maxIndex = nodeMaxIndex(endPoint.node);
- }
- var range = getPointRange(startPoint);
- range.setEndPoint("EndToEnd", getPointRange(endPoint));
-
- // setting the selection in IE causes everything to scroll
- // so that the selection is visible. if setting the selection
- // definitely accomplishes nothing, don't do it.
- function isEqualToDocumentSelection(rng) {
- var browserSelection;
- try { browserSelection = doc.selection; } catch (e) {}
- if (! browserSelection) return false;
- var rng2 = browserSelection.createRange();
- if (rng2.parentElement().ownerDocument != doc) return false;
- if (rng.compareEndPoints("StartToStart", rng2) !== 0) return false;
- if (rng.compareEndPoints("EndToEnd", rng2) !== 0) return false;
- return true;
- }
- if (! isEqualToDocumentSelection(range)) {
- //dmesg(toSource(selection));
- //dmesg(escapeHTML(doc.body.innerHTML));
- range.select();
- }
- }
- else {
- try { doc.selection.empty(); } catch (e) {}
- }
- }
- else {
- // non-IE browser
- var isCollapsed;
- function pointToRangeBound(pt) {
- var p = copyPoint(pt);
- // Make sure Firefox cursor is deep enough; fixes cursor jumping when at top level,
- // and also problem where cut/copy of a whole line selected with fake arrow-keys
- // copies the next line too.
- if (isCollapsed) {
- function diveDeep() {
- while (p.node.childNodes.length > 0) {
- //&& (p.node == root || p.node.parentNode == root)) {
- if (p.index == 0) {
- p.node = p.node.firstChild;
- p.maxIndex = nodeMaxIndex(p.node);
- }
- else if (p.index == p.maxIndex) {
- p.node = p.node.lastChild;
- p.maxIndex = nodeMaxIndex(p.node);
- p.index = p.maxIndex;
- }
- else break;
- }
- }
- // now fix problem where cursor at end of text node at end of span-like element
- // with background doesn't seem to show up...
- if (isNodeText(p.node) && p.index == p.maxIndex) {
- var n = p.node;
- while ((! n.nextSibling) && (n != root) && (n.parentNode != root)) {
- n = n.parentNode;
- }
- if (n.nextSibling &&
- (! ((typeof n.nextSibling.tagName) == "string" &&
- n.nextSibling.tagName.toLowerCase() == "br")) &&
- (n != p.node) && (n != root) && (n.parentNode != root)) {
- // found a parent, go to next node and dive in
- p.node = n.nextSibling;
- p.maxIndex = nodeMaxIndex(p.node);
- p.index = 0;
- diveDeep();
- }
- }
- // try to make sure insertion point is styled;
- // also fixes other FF problems
- if (! isNodeText(p.node)) {
- diveDeep();
- }
- }
- /*// make sure Firefox cursor is shallow enough;
- // to fix problem where "return" between two spans doesn't move the caret to
- // the next line
- // (decided against)
- while (!(p.node.isRoot || p.node.parent().isRoot || p.node.parent().parent().isRoot)) {
- if (p.index == 0 && ! p.node.prev()) {
- p.node = p.node.parent();
- p.maxIndex = 1;
- }
- else if (p.index == p.maxIndex && ! p.node.next()) {
- p.node = p.node.parent();
- p.maxIndex = 1;
- p.index = 1;
- }
- else break;
- }
- if ((! p.node.isRoot) && (!p.node.parent().isRoot) &&
- (p.index == p.maxIndex) && p.node.next()) {
- p.node = p.node.next();
- p.maxIndex = nodeMaxIndex(p.node);
- p.index = 0;
- }*/
- if (isNodeText(p.node)) {
- return { container: p.node, offset: p.index };
- }
- else {
- // p.index in {0,1}
- return { container: p.node.parentNode, offset: childIndex(p.node) + p.index };
- }
- }
- var browserSelection = window.getSelection();
- if (browserSelection) {
- browserSelection.removeAllRanges();
- if (selection) {
- isCollapsed = (selection.startPoint.node === selection.endPoint.node &&
- selection.startPoint.index === selection.endPoint.index);
- var start = pointToRangeBound(selection.startPoint);
- var end = pointToRangeBound(selection.endPoint);
-
- if ((!isCollapsed) && selection.focusAtStart && browserSelection.collapse && browserSelection.extend) {
- // can handle "backwards"-oriented selection, shift-arrow-keys move start
- // of selection
- browserSelection.collapse(end.container, end.offset);
- //console.trace();
- //console.log(htmlPrettyEscape(rep.alltext));
- //console.log("%o %o", rep.selStart, rep.selEnd);
- //console.log("%o %d", start.container, start.offset);
- browserSelection.extend(start.container, start.offset);
- }
- else {
- var range = doc.createRange();
- range.setStart(start.container, start.offset);
- range.setEnd(end.container, end.offset);
- browserSelection.removeAllRanges();
- browserSelection.addRange(range);
- }
- }
- }
- }
- }
-
- function childIndex(n) {
- var idx = 0;
- while (n.previousSibling) {
- idx++;
- n = n.previousSibling;
- }
- return idx;
- }
-
- function fixView() {
- // calling this method repeatedly should be fast
-
- if (getInnerWidth() == 0 || getInnerHeight() == 0) {
- return;
- }
-
- function setIfNecessary(obj, prop, value) {
- if (obj[prop] != value) {
- obj[prop] = value;
- }
- }
-
- var lineNumberWidth = sideDiv.firstChild.offsetWidth;
- var newSideDivWidth = lineNumberWidth + LINE_NUMBER_PADDING_LEFT;
- if (newSideDivWidth < MIN_LINEDIV_WIDTH) newSideDivWidth = MIN_LINEDIV_WIDTH;
- iframePadLeft = EDIT_BODY_PADDING_LEFT;
- if (hasLineNumbers) iframePadLeft += newSideDivWidth + LINE_NUMBER_PADDING_RIGHT;
- setIfNecessary(iframe.style, "left", iframePadLeft+"px");
- setIfNecessary(sideDiv.style, "width", newSideDivWidth+"px");
-
- for(var i=0;i<2;i++) {
- var newHeight = root.clientHeight;
- var newWidth = (browser.msie ? root.createTextRange().boundingWidth : root.clientWidth);
- var viewHeight = getInnerHeight() - iframePadBottom - iframePadTop;
- var viewWidth = getInnerWidth() - iframePadLeft - iframePadRight;
- if (newHeight < viewHeight) {
- newHeight = viewHeight;
- if (browser.msie) setIfNecessary(outerWin.document.documentElement.style, 'overflowY', 'auto');
- }
- else {
- if (browser.msie) setIfNecessary(outerWin.document.documentElement.style, 'overflowY', 'scroll');
- }
- if (doesWrap) {
- newWidth = viewWidth;
- }
- else {
- if (newWidth < viewWidth) newWidth = viewWidth;
- }
- if (newHeight > 32000) newHeight = 32000;
- if (newWidth > 32000) newWidth = 32000;
- setIfNecessary(iframe.style, "height", newHeight+"px");
- setIfNecessary(iframe.style, "width", newWidth+"px");
- setIfNecessary(sideDiv.style, "height", newHeight+"px");
- }
- if (browser.mozilla) {
- if (! doesWrap) {
- // the body:display:table-cell hack makes mozilla do scrolling
- // correctly by shrinking the <body> to fit around its content,
- // but mozilla won't act on clicks below the body. We keep the
- // style.height property set to the viewport height (editor height
- // not including scrollbar), so it will never shrink so that part of
- // the editor isn't clickable.
- var body = root;
- var styleHeight = viewHeight+"px";
- setIfNecessary(body.style, "height", styleHeight);
- }
- else {
- setIfNecessary(root.style, "height", "");
- }
- }
- // if near edge, scroll to edge
- var scrollX = getScrollX();
- var scrollY = getScrollY();
- var win = outerWin;
- var r = 20;
- /*if (scrollX <= iframePadLeft+r) win.scrollBy(-iframePadLeft-r, 0);
- else if (getPageWidth() - scrollX - getInnerWidth() <= iframePadRight+r)
- scrollBy(iframePadRight+r, 0);*/
- /*if (scrollY <= iframePadTop+r) win.scrollBy(0, -iframePadTop-r);
- else if (getPageHeight() - scrollY - getInnerHeight() <= iframePadBottom+r)
- scrollBy(0, iframePadBottom+r);*/
-
- enforceEditability();
-
- addClass(sideDiv, 'sidedivdelayed');
- }
-
- function getScrollXY() {
- var win = outerWin;
- var odoc = outerWin.document;
- if (typeof(win.pageYOffset) == "number") {
- return {x: win.pageXOffset, y: win.pageYOffset};
- }
- var docel = odoc.documentElement;
- if (docel && typeof(docel.scrollTop) == "number") {
- return {x:docel.scrollLeft, y:docel.scrollTop};
- }
- }
-
- function getScrollX() {
- return getScrollXY().x;
- }
-
- function getScrollY() {
- return getScrollXY().y;
- }
-
- function setScrollX(x) {
- outerWin.scrollTo(x, getScrollY());
- }
-
- function setScrollY(y) {
- outerWin.scrollTo(getScrollX(), y);
- }
-
- function setScrollXY(x, y) {
- outerWin.scrollTo(x, y);
- }
-
- var _teardownActions = [];
- function teardown() {
- forEach(_teardownActions, function (a) { a(); });
- }
-
- bindEventHandler(window, "load", setup);
-
- function setDesignMode(newVal) {
- try {
- function setIfNecessary(target, prop, val) {
- if (String(target[prop]).toLowerCase() != val) {
- target[prop] = val;
- return true;
- }
- return false;
- }
- if (browser.msie || browser.safari) {
- setIfNecessary(root, 'contentEditable', (newVal ? 'true' : 'false'));
- }
- else {
- var wasSet = setIfNecessary(doc, 'designMode', (newVal ? 'on' : 'off'));
- if (wasSet && newVal && browser.opera) {
- // turning on designMode clears event handlers
- bindTheEventHandlers();
- }
- }
- return true;
- }
- catch (e) {
- return false;
- }
- }
-
- var iePastedLines = null;
- function handleIEPaste(evt) {
- // Pasting in IE loses blank lines in a way that loses information;
- // "one\n\ntwo\nthree" becomes "<p>one</p><p>two</p><p>three</p>",
- // which becomes "one\ntwo\nthree". We can get the correct text
- // from the clipboard directly, but we still have to let the paste
- // happen to get the style information.
-
- var clipText = window.clipboardData && window.clipboardData.getData("Text");
- if (clipText && doc.selection) {
- // this "paste" event seems to mess with the selection whether we try to
- // stop it or not, so can't really do document-level manipulation now
- // or in an idle call-stack. instead, use IE native manipulation
- //function escapeLine(txt) {
- //return processSpaces(escapeHTML(textify(txt)));
- //}
- //var newHTML = map(clipText.replace(/\r/g,'').split('\n'), escapeLine).join('<br>');
- //doc.selection.createRange().pasteHTML(newHTML);
- //evt.preventDefault();
-
- //iePastedLines = map(clipText.replace(/\r/g,'').split('\n'), textify);
- }
- }
-
- var inInternationalComposition = false;
-
- function handleCompositionEvent(evt) {
- // international input events, fired in FF3, at least; allow e.g. Japanese input
- if (evt.type == "compositionstart") {
- inInternationalComposition = true;
- }
- else if (evt.type == "compositionend") {
- inInternationalComposition = false;
- }
- }
-
- /*function handleTextEvent(evt) {
- top.console.log("TEXT EVENT");
- inCallStackIfNecessary("handleTextEvent", function() {
- observeChangesAroundSelection();
- });
- }*/
-
- function bindTheEventHandlers() {
- bindEventHandler(window, "unload", teardown);
- bindEventHandler(document, "keydown", handleKeyEvent);
- bindEventHandler(document, "keypress", handleKeyEvent);
- bindEventHandler(document, "keyup", handleKeyEvent);
- bindEventHandler(document, "click", handleClick);
- bindEventHandler(root, "blur", handleBlur);
- if (browser.msie) {
- bindEventHandler(document, "click", handleIEOuterClick);
- }
- if (browser.msie) bindEventHandler(root, "paste", handleIEPaste);
- if ((! browser.msie) && document.documentElement) {
- bindEventHandler(document.documentElement, "compositionstart", handleCompositionEvent);
- bindEventHandler(document.documentElement, "compositionend", handleCompositionEvent);
- }
-
- /*bindEventHandler(window, "mousemove", function(e) {
- if (e.pageX < 10) {
- window.DEBUG_DONT_INCORP = (e.pageX < 2);
- }
- });*/
- }
-
- function handleIEOuterClick(evt) {
- if ((evt.target.tagName||'').toLowerCase() != "html") {
- return;
- }
- if (!(evt.pageY > root.clientHeight)) {
- return;
- }
-
- // click below the body
- inCallStack("handleOuterClick", function() {
- // put caret at bottom of doc
- fastIncorp(11);
- if (isCaret()) { // don't interfere with drag
- var lastLine = rep.lines.length()-1;
- var lastCol = rep.lines.atIndex(lastLine).text.length;
- performSelectionChange([lastLine,lastCol],[lastLine,lastCol]);
- }
- });
- }
-
- function getClassArray(elem, optFilter) {
- var bodyClasses = [];
- (elem.className || '').replace(/\S+/g, function (c) {
- if ((! optFilter) || (optFilter(c))) {
- bodyClasses.push(c);
- }
- });
- return bodyClasses;
- }
- function setClassArray(elem, array) {
- elem.className = array.join(' ');
- }
- function addClass(elem, className) {
- var seen = false;
- var cc = getClassArray(elem, function(c) { if (c == className) seen = true; return true; });
- if (! seen) {
- cc.push(className);
- setClassArray(elem, cc);
- }
- }
- function removeClass(elem, className) {
- var seen = false;
- var cc = getClassArray(elem, function(c) {
- if (c == className) { seen = true; return false; } return true; });
- if (seen) {
- setClassArray(elem, cc);
- }
- }
- function setClassPresence(elem, className, present) {
- if (present) addClass(elem, className);
- else removeClass(elem, className);
- }
-
- function setup() {
- doc = document; // defined as a var in scope outside
- inCallStack("setup", function() {
- var body = doc.getElementById("innerdocbody");
- root = body; // defined as a var in scope outside
-
- if (browser.mozilla) addClass(root, "mozilla");
- if (browser.safari) addClass(root, "safari");
- if (browser.msie) addClass(root, "msie");
- if (browser.msie) {
- // cache CSS background images
- try {
- doc.execCommand("BackgroundImageCache", false, true);
- }
- catch (e) {
- /* throws an error in some IE 6 but not others! */
- }
- }
- setClassPresence(root, "authorColors", true);
- setClassPresence(root, "doesWrap", doesWrap);
-
- initDynamicCSS();
-
- enforceEditability();
-
- // set up dom and rep
- while (root.firstChild) root.removeChild(root.firstChild);
- var oneEntry = createDomLineEntry("");
- doRepLineSplice(0, rep.lines.length(), [oneEntry]);
- insertDomLines(null, [oneEntry.domInfo], null);
- rep.alines = Changeset.splitAttributionLines(
- Changeset.makeAttribution("\n"), "\n");
-
- bindTheEventHandlers();
-
- });
-
- scheduler.setTimeout(function() {
- parent.readyFunc(); // defined in code that sets up the inner iframe
- }, 0);
-
- isSetUp = true;
- }
-
- function focus() {
- window.focus();
- }
-
- function handleBlur(evt) {
- if (browser.msie) {
- // a fix: in IE, clicking on a control like a button outside the
- // iframe can "blur" the editor, causing it to stop getting
- // events, though typing still affects it(!).
- setSelection(null);
- }
- }
-
- function bindEventHandler(target, type, func) {
- var handler;
- if ((typeof func._wrapper) != "function") {
- func._wrapper = function(event) {
- func(fixEvent(event || window.event || {}));
- }
- }
- var handler = func._wrapper;
- if (target.addEventListener)
- target.addEventListener(type, handler, false);
- else
- target.attachEvent("on" + type, handler);
- _teardownActions.push(function() {
- unbindEventHandler(target, type, func);
- });
- }
-
- function unbindEventHandler(target, type, func) {
- var handler = func._wrapper;
- if (target.removeEventListener)
- target.removeEventListener(type, handler, false);
- else
- target.detachEvent("on" + type, handler);
- }
-
- /*forEach(['rep', 'getCleanNodeByKey', 'getDirtyRanges', 'isNodeDirty',
- 'getSelection', 'setSelection', 'updateBrowserSelectionFromRep',
- 'makeRecentSet', 'resetProfiler', 'getScrollXY', 'makeIdleAction'], function (k) {
- top['_'+k] = eval(k);
- });*/
-
- function getSelectionPointX(point) {
- // doesn't work in wrap-mode
- var node = point.node;
- var index = point.index;
- function leftOf(n) { return n.offsetLeft; }
- function rightOf(n) { return n.offsetLeft + n.offsetWidth; }
- if (! isNodeText(node)) {
- if (index == 0) return leftOf(node);
- else return rightOf(node);
- }
- else {
- // we can get bounds of element nodes, so look for those.
- // allow consecutive text nodes for robustness.
- var charsToLeft = index;
- var charsToRight = node.nodeValue.length - index;
- var n;
- for(n = node.previousSibling; n && isNodeText(n); n = n.previousSibling)
- charsToLeft += n.nodeValue;
- var leftEdge = (n ? rightOf(n) : leftOf(node.parentNode));
- for(n = node.nextSibling; n && isNodeText(n); n = n.nextSibling)
- charsToRight += n.nodeValue;
- var rightEdge = (n ? leftOf(n) : rightOf(node.parentNode));
- var frac = (charsToLeft / (charsToLeft + charsToRight));
- var pixLoc = leftEdge + frac*(rightEdge - leftEdge);
- return Math.round(pixLoc);
- }
- }
-
- function getPageHeight() {
- var win = outerWin;
- var odoc = win.document;
- if (win.innerHeight && win.scrollMaxY) return win.innerHeight + win.scrollMaxY;
- else if (odoc.body.scrollHeight > odoc.body.offsetHeight) return odoc.body.scrollHeight;
- else return odoc.body.offsetHeight;
- }
-
- function getPageWidth() {
- var win = outerWin;
- var odoc = win.document;
- if (win.innerWidth && win.scrollMaxX) return win.innerWidth + win.scrollMaxX;
- else if (odoc.body.scrollWidth > odoc.body.offsetWidth) return odoc.body.scrollWidth;
- else return odoc.body.offsetWidth;
- }
-
- function getInnerHeight() {
- var win = outerWin;
- var odoc = win.document;
- var h;
- if (browser.opera) h = win.innerHeight;
- else h = odoc.documentElement.clientHeight;
- if (h) return h;
-
- // deal with case where iframe is hidden, hope that
- // style.height of iframe container is set in px
- return Number(editorInfo.frame.parentNode.style.height.replace(/[^0-9]/g,'')
- || 0);
- }
-
- function getInnerWidth() {
- var win = outerWin;
- var odoc = win.document;
- return odoc.documentElement.clientWidth;
- }
-
- function scrollNodeVerticallyIntoView(node) {
- // requires element (non-text) node;
- // if node extends above top of viewport or below bottom of viewport (or top of scrollbar),
- // scroll it the minimum distance needed to be completely in view.
- var win = outerWin;
- var odoc = outerWin.document;
- var distBelowTop = node.offsetTop + iframePadTop - win.scrollY;
- var distAboveBottom = win.scrollY + getInnerHeight() -
- (node.offsetTop +iframePadTop + node.offsetHeight);
-
- if (distBelowTop < 0) {
- win.scrollBy(0, distBelowTop);
- }
- else if (distAboveBottom < 0) {
- win.scrollBy(0, -distAboveBottom);
- }
- }
-
- function scrollXHorizontallyIntoView(pixelX) {
- var win = outerWin;
- var odoc = outerWin.document;
- pixelX += iframePadLeft;
- var distInsideLeft = pixelX - win.scrollX;
- var distInsideRight = win.scrollX + getInnerWidth() - pixelX;
- if (distInsideLeft < 0) {
- win.scrollBy(distInsideLeft, 0);
- }
- else if (distInsideRight < 0) {
- win.scrollBy(-distInsideRight+1, 0);
- }
- }
-
- function scrollSelectionIntoView() {
- if (! rep.selStart) return;
- fixView();
- var focusLine = (rep.selFocusAtStart ? rep.selStart[0] : rep.selEnd[0]);
- scrollNodeVerticallyIntoView(rep.lines.atIndex(focusLine).lineNode);
- if (! doesWrap) {
- var browserSelection = getSelection();
- if (browserSelection) {
- var focusPoint = (browserSelection.focusAtStart ? browserSelection.startPoint :
- browserSelection.endPoint);
- var selectionPointX = getSelectionPointX(focusPoint);
- scrollXHorizontallyIntoView(selectionPointX);
- fixView();
- }
- }
- }
-
- function getLineListType(lineNum) {
- // get "list" attribute of first char of line
- var aline = rep.alines[lineNum];
- if (aline) {
- var opIter = Changeset.opIterator(aline);
- if (opIter.hasNext()) {
- return Changeset.opAttributeValue(opIter.next(), 'list', rep.apool) || '';
- }
- }
- return '';
- }
-
- function setLineListType(lineNum, listType) {
- setLineListTypes([[lineNum, listType]]);
- }
-
- function setLineListTypes(lineNumTypePairsInOrder) {
- var loc = [0,0];
- var builder = Changeset.builder(rep.lines.totalWidth());
- for(var i=0;i<lineNumTypePairsInOrder.length;i++) {
- var pair = lineNumTypePairsInOrder[i];
- var lineNum = pair[0];
- var listType = pair[1];
- buildKeepRange(builder, loc, (loc = [lineNum,0]));
- if (getLineListType(lineNum)) {
- // already a line marker
- if (listType) {
- // make different list type
- buildKeepRange(builder, loc, (loc = [lineNum,1]),
- [['list',listType]], rep.apool);
- }
- else {
- // remove list marker
- buildRemoveRange(builder, loc, (loc = [lineNum,1]));
- }
- }
- else {
- // currently no line marker
- if (listType) {
- // add a line marker
- builder.insert('*', [['author', thisAuthor],
- ['insertorder', 'first'],
- ['list', listType]], rep.apool);
- }
- }
- }
-
- var cs = builder.toString();
- if (! Changeset.isIdentity(cs)) {
- performDocumentApplyChangeset(cs);
- }
- }
-
- function doInsertUnorderedList() {
- if (! (rep.selStart && rep.selEnd)) {
- return;
- }
-
- var firstLine, lastLine;
- firstLine = rep.selStart[0];
- lastLine = Math.max(firstLine,
- rep.selEnd[0] - ((rep.selEnd[1] == 0) ? 1 : 0));
-
- var allLinesAreList = true;
- for(var n=firstLine;n<=lastLine;n++) {
- if (! getLineListType(n)) {
- allLinesAreList = false;
- break;
- }
- }
-
- var mods = [];
- for(var n=firstLine;n<=lastLine;n++) {
- var t = getLineListType(n);
- mods.push([n, allLinesAreList ? '' : (t ? t : 'bullet1')]);
- }
- setLineListTypes(mods);
- }
-
- var mozillaFakeArrows = (browser.mozilla && (function() {
- // In Firefox 2, arrow keys are unstable while DOM-manipulating
- // operations are going on. Specifically, if an operation
- // (computation that ties up the event queue) is going on (in the
- // call-stack of some event, like a timeout) that at some point
- // mutates nodes involved in the selection, then the arrow
- // keypress may (randomly) move the caret to the beginning or end
- // of the document. If the operation also mutates the selection
- // range, the old selection or the new selection may be used, or
- // neither.
-
- // As long as the arrow is pressed during the busy operation, it
- // doesn't seem to matter that the keydown and keypress events
- // aren't generated until afterwards, or that the arrow movement
- // can still be stopped (meaning it hasn't been performed yet);
- // Firefox must be preserving some old information about the
- // selection or the DOM from when the key was initially pressed.
- // However, it also doesn't seem to matter when the key was
- // actually pressed relative to the time of the mutation within
- // the prolonged operation. Also, even in very controlled tests
- // (like a mutation followed by a long period of busyWaiting), the
- // problem shows up often but not every time, with no discernable
- // pattern. Who knows, it could have something to do with the
- // caret-blinking timer, or DOM changes not being applied
- // immediately.
-
- // This problem, mercifully, does not show up at all in IE or
- // Safari. My solution is to have my own, full-featured arrow-key
- // implementation for Firefox.
-
- // Note that the problem addressed here is potentially very subtle,
- // especially if the operation is quick and is timed to usually happen
- // when the user is idle.
-
- // features:
- // - 'up' and 'down' arrows preserve column when passing through shorter lines
- // - shift-arrows extend the "focus" point, which may be start or end of range
- // - the focus point is kept horizontally and vertically scrolled into view
- // - arrows without shift cause caret to move to beginning or end of selection (left,right)
- // or move focus point up or down a line (up,down)
- // - command-(left,right,up,down) on Mac acts like (line-start, line-end, doc-start, doc-end)
- // - takes wrapping into account when doesWrap is true, i.e. up-arrow and down-arrow move
- // between the virtual lines within a wrapped line; this was difficult, and unfortunately
- // requires mutating the DOM to get the necessary information
-
- var savedFocusColumn = 0; // a value of 0 has no effect
- var updatingSelectionNow = false;
-
- function getVirtualLineView(lineNum) {
- var lineNode = rep.lines.atIndex(lineNum).lineNode;
- while (lineNode.firstChild && isBlockElement(lineNode.firstChild)) {
- lineNode = lineNode.firstChild;
- }
- return makeVirtualLineView(lineNode);
- }
-
- function markerlessLineAndChar(line, chr) {
- return [line, chr - rep.lines.atIndex(line).lineMarker];
- }
- function markerfulLineAndChar(line, chr) {
- return [line, chr + rep.lines.atIndex(line).lineMarker];
- }
-
- return {
- notifySelectionChanged: function() {
- if (! updatingSelectionNow) {
- savedFocusColumn = 0;
- }
- },
- handleKeyEvent: function(evt) {
- // returns "true" if handled
- if (evt.type != "keypress") return false;
- var keyCode = evt.keyCode;
- if (keyCode < 37 || keyCode > 40) return false;
- incorporateUserChanges();
-
- if (!(rep.selStart && rep.selEnd)) return true;
-
- // {byWord,toEnd,normal}
- var moveMode = (evt.altKey ? "byWord" :
- (evt.ctrlKey ? "byWord" :
- (evt.metaKey ? "toEnd" :
- "normal")));
-
- var anchorCaret =
- markerlessLineAndChar(rep.selStart[0], rep.selStart[1]);
- var focusCaret =
- markerlessLineAndChar(rep.selEnd[0], rep.selEnd[1]);
- var wasCaret = isCaret();
- if (rep.selFocusAtStart) {
- var tmp = anchorCaret; anchorCaret = focusCaret; focusCaret = tmp;
- }
- var K_UP = 38, K_DOWN = 40, K_LEFT = 37, K_RIGHT = 39;
- var dontMove = false;
- if (wasCaret && ! evt.shiftKey) {
- // collapse, will mutate both together
- anchorCaret = focusCaret;
- }
- else if ((! wasCaret) && (! evt.shiftKey)) {
- if (keyCode == K_LEFT) {
- // place caret at beginning
- if (rep.selFocusAtStart) anchorCaret = focusCaret;
- else focusCaret = anchorCaret;
- if (moveMode == "normal") dontMove = true;
- }
- else if (keyCode == K_RIGHT) {
- // place caret at end
- if (rep.selFocusAtStart) focusCaret = anchorCaret;
- else anchorCaret = focusCaret;
- if (moveMode == "normal") dontMove = true;
- }
- else {
- // collapse, will mutate both together
- anchorCaret = focusCaret;
- }
- }
- if (! dontMove) {
- function lineLength(i) {
- var entry = rep.lines.atIndex(i);
- return entry.text.length - entry.lineMarker;
- }
- function lineText(i) {
- var entry = rep.lines.atIndex(i);
- return entry.text.substring(entry.lineMarker);
- }
-
- if (keyCode == K_UP || keyCode == K_DOWN) {
- var up = (keyCode == K_UP);
- var canChangeLines = ((up && focusCaret[0]) ||
- ((!up) && focusCaret[0] < rep.lines.length()-1));
- var virtualLineView, virtualLineSpot, canChangeVirtualLines = false;
- if (doesWrap) {
- virtualLineView = getVirtualLineView(focusCaret[0]);
- virtualLineSpot = virtualLineView.getVLineAndOffsetForChar(focusCaret[1]);
- canChangeVirtualLines = ((up && virtualLineSpot.vline > 0) ||
- ((!up) && virtualLineSpot.vline < (
- virtualLineView.getNumVirtualLines() - 1)));
- }
- var newColByVirtualLineChange;
- if (moveMode == "toEnd") {
- if (up) {
- focusCaret[0] = 0;
- focusCaret[1] = 0;
- }
- else {
- focusCaret[0] = rep.lines.length()-1;
- focusCaret[1] = lineLength(focusCaret[0]);
- }
- }
- else if (moveMode == "byWord") {
- // move by "paragraph", a feature that Firefox lacks but IE and Safari both have
- if (up) {
- if (focusCaret[1] == 0 && canChangeLines) {
- focusCaret[0]--;
- focusCaret[1] = 0;
- }
- else focusCaret[1] = 0;
- }
- else {
- var lineLen = lineLength(focusCaret[0]);
- if (browser.windows) {
- if (canChangeLines) {
- focusCaret[0]++;
- focusCaret[1] = 0;
- }
- else {
- focusCaret[1] = lineLen;
- }
- }
- else {
- if (focusCaret[1] == lineLen && canChangeLines) {
- focusCaret[0]++;
- focusCaret[1] = lineLength(focusCaret[0]);
- }
- else {
- focusCaret[1] = lineLen;
- }
- }
- }
- savedFocusColumn = 0;
- }
- else if (canChangeVirtualLines) {
- var vline = virtualLineSpot.vline;
- var offset = virtualLineSpot.offset;
- if (up) vline--;
- else vline++;
- if (savedFocusColumn > offset) offset = savedFocusColumn;
- else {
- savedFocusColumn = offset;
- }
- var newSpot = virtualLineView.getCharForVLineAndOffset(vline, offset);
- focusCaret[1] = newSpot.lineChar;
- }
- else if (canChangeLines) {
- if (up) focusCaret[0]--;
- else focusCaret[0]++;
- var offset = focusCaret[1];
- if (doesWrap) {
- offset = virtualLineSpot.offset;
- }
- if (savedFocusColumn > offset) offset = savedFocusColumn;
- else {
- savedFocusColumn = offset;
- }
- if (doesWrap) {
- var newLineView = getVirtualLineView(focusCaret[0]);
- var vline = (up ? newLineView.getNumVirtualLines()-1 : 0);
- var newSpot = newLineView.getCharForVLineAndOffset(vline, offset);
- focusCaret[1] = newSpot.lineChar;
- }
- else {
- var lineLen = lineLength(focusCaret[0]);
- if (offset > lineLen) offset = lineLen;
- focusCaret[1] = offset;
- }
- }
- else {
- if (up) focusCaret[1] = 0;
- else focusCaret[1] = lineLength(focusCaret[0]);
- savedFocusColumn = 0;
- }
- }
- else if (keyCode == K_LEFT || keyCode == K_RIGHT) {
- var left = (keyCode == K_LEFT);
- if (left) {
- if (moveMode == "toEnd") focusCaret[1] = 0;
- else if (focusCaret[1] > 0) {
- if (moveMode == "byWord") {
- focusCaret[1] = moveByWordInLine(lineText(focusCaret[0]), focusCaret[1], false);
- }
- else {
- focusCaret[1]--;
- }
- }
- else if (focusCaret[0] > 0) {
- focusCaret[0]--;
- focusCaret[1] = lineLength(focusCaret[0]);
- if (moveMode == "byWord") {
- focusCaret[1] = moveByWordInLine(lineText(focusCaret[0]), focusCaret[1], false);
- }
- }
- }
- else {
- var lineLen = lineLength(focusCaret[0]);
- if (moveMode == "toEnd") focusCaret[1] = lineLen;
- else if (focusCaret[1] < lineLen) {
- if (moveMode == "byWord") {
- focusCaret[1] = moveByWordInLine(lineText(focusCaret[0]), focusCaret[1], true);
- }
- else {
- focusCaret[1]++;
- }
- }
- else if (focusCaret[0] < rep.lines.length()-1) {
- focusCaret[0]++;
- focusCaret[1] = 0;
- if (moveMode == "byWord") {
- focusCaret[1] = moveByWordInLine(lineText(focusCaret[0]), focusCaret[1], true);
- }
- }
- }
- savedFocusColumn = 0;
- }
- }
-
- var newSelFocusAtStart = ((focusCaret[0] < anchorCaret[0]) ||
- (focusCaret[0] == anchorCaret[0] &&
- focusCaret[1] < anchorCaret[1]));
- var newSelStart = (newSelFocusAtStart ? focusCaret : anchorCaret);
- var newSelEnd = (newSelFocusAtStart ? anchorCaret : focusCaret);
- updatingSelectionNow = true;
- performSelectionChange(markerfulLineAndChar(newSelStart[0],
- newSelStart[1]),
- markerfulLineAndChar(newSelEnd[0],
- newSelEnd[1]),
- newSelFocusAtStart);
- updatingSelectionNow = false;
- currentCallStack.userChangedSelection = true;
- return true;
- }
- };
- })());
-
-
- // stolen from jquery-1.2.1
- function fixEvent(event) {
- // store a copy of the original event object
- // and clone to set read-only properties
- var originalEvent = event;
- event = extend({}, originalEvent);
-
- // add preventDefault and stopPropagation since
- // they will not work on the clone
- event.preventDefault = function() {
- // if preventDefault exists run it on the original event
- if (originalEvent.preventDefault)
- originalEvent.preventDefault();
- // otherwise set the returnValue property of the original event to false (IE)
- originalEvent.returnValue = false;
- };
- event.stopPropagation = function() {
- // if stopPropagation exists run it on the original event
- if (originalEvent.stopPropagation)
- originalEvent.stopPropagation();
- // otherwise set the cancelBubble property of the original event to true (IE)
- originalEvent.cancelBubble = true;
- };
-
- // Fix target property, if necessary
- if ( !event.target && event.srcElement )
- event.target = event.srcElement;
-
- // check if target is a textnode (safari)
- if (browser.safari && event.target.nodeType == 3)
- event.target = originalEvent.target.parentNode;
-
- // Add relatedTarget, if necessary
- if ( !event.relatedTarget && event.fromElement )
- event.relatedTarget = event.fromElement == event.target ? event.toElement : event.fromElement;
-
- // Calculate pageX/Y if missing and clientX/Y available
- if ( event.pageX == null && event.clientX != null ) {
- var e = document.documentElement, b = document.body;
- event.pageX = event.clientX + (e && e.scrollLeft || b.scrollLeft || 0);
- event.pageY = event.clientY + (e && e.scrollTop || b.scrollTop || 0);
- }
-
- // Add which for key events
- if ( !event.which && (event.charCode || event.keyCode) )
- event.which = event.charCode || event.keyCode;
-
- // Add metaKey to non-Mac browsers (use ctrl for PC's and Meta for Macs)
- if ( !event.metaKey && event.ctrlKey )
- event.metaKey = event.ctrlKey;
-
- // Add which for click: 1 == left; 2 == middle; 3 == right
- // Note: button is not normalized, so don't use it
- if ( !event.which && event.button )
- event.which = (event.button & 1 ? 1 : ( event.button & 2 ? 3 : ( event.button & 4 ? 2 : 0 ) ));
-
- return event;
- }
-
- var lineNumbersShown;
- var sideDivInner;
- function initLineNumbers() {
- lineNumbersShown = 1;
- sideDiv.innerHTML =
- '<table border="0" cellpadding="0" cellspacing="0" align="right">'+
- '<tr><td id="sidedivinner"><div>1</div></td></tr></table>';
- sideDivInner = outerWin.document.getElementById("sidedivinner");
- }
-
- function updateLineNumbers() {
- var newNumLines = rep.lines.length();
- if (newNumLines < 1) newNumLines = 1;
- if (newNumLines != lineNumbersShown) {
- var container = sideDivInner;
- var odoc = outerWin.document;
- while (lineNumbersShown < newNumLines) {
- lineNumbersShown++;
- var n = lineNumbersShown;
- var div = odoc.createElement("DIV");
- div.appendChild(odoc.createTextNode(String(n)));
- container.appendChild(div);
- }
- while (lineNumbersShown > newNumLines) {
- container.removeChild(container.lastChild);
- lineNumbersShown--;
- }
- }
-
- if (currentCallStack && currentCallStack.domClean) {
- var a = sideDivInner.firstChild;
- var b = doc.body.firstChild;
- while (a && b) {
- var h = (b.clientHeight || b.offsetHeight);
- if (b.nextSibling) {
- // when text is zoomed in mozilla, divs have fractional
- // heights (though the properties are always integers)
- // and the line-numbers don't line up unless we pay
- // attention to where the divs are actually placed...
- // (also: padding on TTs/SPANs in IE...)
- h = b.nextSibling.offsetTop - b.offsetTop;
- }
- if (h) {
- var hpx = h+"px";
- if (a.style.height != hpx)
- a.style.height = hpx;
- }
- a = a.nextSibling;
- b = b.nextSibling;
- }
-
- // fix if first line has margin (f.e. h1 in first line)
- sideDivInner.firstChild.style.marginTop =
- (doc.body.firstChild.offsetTop - sideDivInner.firstChild.offsetTop +
- parseInt(sideDivInner.firstChild.style.marginTop + "0")) + "px";
- }
- }
-
-};
-
-OUTER(this);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 02:17:21 +0000