1 files changed, 67 insertions, 0 deletions
diff --git a/trunk/etherpad/src/etherpad/pad/chatarchive.js b/trunk/etherpad/src/etherpad/pad/chatarchive.js
new file mode 100644
index 0000000..2f8e33a
--- /dev/null
+++ b/trunk/etherpad/src/etherpad/pad/chatarchive.js
@@ -0,0 +1,67 @@
+/**
+ * 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.
+ */
+
+import("stringutils");
+import("etherpad.log");
+
+jimport("java.lang.System.out.println");
+
+function onChatMessage(pad, senderUserInfo, msg) {
+  pad.appendChatMessage({
+    name: senderUserInfo.name,
+    userId: senderUserInfo.userId,
+    time: +(new Date),
+    lineText: msg.lineText
+  });
+}
+
+function getRecentChatBlock(pad, howMany) {
+  var numMessages = pad.getNumChatMessages();
+  var firstToGet = Math.max(0, numMessages - howMany);
+
+  return getChatBlock(pad, firstToGet, numMessages);
+}
+
+function getChatBlock(pad, start, end) {
+  if (start < 0) {
+    start = 0;
+  }
+  if (end > pad.getNumChatMessages()) {
+    end = pad.getNumChatMessages();
+  }
+
+  var historicalAuthorData = {};
+  var lines = [];
+  var block = {start: start, end: end,
+               historicalAuthorData: historicalAuthorData,
+               lines: lines};
+
+  for(var i=start; i<end; i++) {
+    var x = pad.getChatMessage(i);
+    var userId = x.userId;
+    if (! historicalAuthorData[userId]) {
+      historicalAuthorData[userId] = (pad.getAuthorData(userId) || {});
+    }
+    lines.push({
+      name: x.name,
+      time: x.time,
+      userId: x.userId,
+      lineText: x.lineText
+    });
+  }
+
+  return block;
+}
+\ No newline at end of file