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Diffstat (limited to 'src/de/animux/android/andmal/util/SeparatedListAdapter.java')
-rw-r--r--src/de/animux/android/andmal/util/SeparatedListAdapter.java116
1 files changed, 116 insertions, 0 deletions
diff --git a/src/de/animux/android/andmal/util/SeparatedListAdapter.java b/src/de/animux/android/andmal/util/SeparatedListAdapter.java
new file mode 100644
index 0000000..6320b0f
--- /dev/null
+++ b/src/de/animux/android/andmal/util/SeparatedListAdapter.java
@@ -0,0 +1,116 @@
+package de.animux.android.andmal.util;
+
+import java.util.LinkedHashMap;
+import java.util.Map;
+
+import de.animux.android.andmal.R;
+
+import android.content.Context;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Adapter;
+import android.widget.ArrayAdapter;
+import android.widget.BaseAdapter;
+
+public class SeparatedListAdapter extends BaseAdapter {
+
+ public final Map<String, Adapter> sections = new LinkedHashMap<String, Adapter>();
+
+ public final ArrayAdapter<String> headers;
+
+ public final static int TYPE_SECTION_HEADER = 0;
+
+ public SeparatedListAdapter(Context context) {
+ headers = new ArrayAdapter<String>(context, R.layout.list_header);
+ }
+
+ public void addSection(String section, Adapter adapter) {
+ this.headers.add(section);
+ this.sections.put(section, adapter);
+ }
+
+ public Object getItem(int position) {
+ for (Object section : this.sections.keySet()) {
+ Adapter adapter = sections.get(section);
+ int size = adapter.getCount() + 1;
+
+ // check if position inside this section
+ if (position == 0)
+ return section;
+ if (position < size)
+ return adapter.getItem(position - 1);
+
+ // otherwise jump into next section
+ position -= size;
+ }
+ return null;
+ }
+
+ public int getCount() {
+ // total together all sections, plus one for each section header
+ int total = 0;
+ for (Adapter adapter : this.sections.values())
+ total += adapter.getCount() + 1;
+ return total;
+ }
+
+ public int getViewTypeCount() {
+ // assume that headers count as one, then total all sections
+ int total = 1;
+ for (Adapter adapter : this.sections.values())
+ total += adapter.getViewTypeCount();
+ return total;
+ }
+
+ public int getItemViewType(int position) {
+ int type = 1;
+ for (Object section : this.sections.keySet()) {
+ Adapter adapter = sections.get(section);
+ int size = adapter.getCount() + 1;
+
+ // check if position inside this section
+ if (position == 0)
+ return TYPE_SECTION_HEADER;
+ if (position < size)
+ return type + adapter.getItemViewType(position - 1);
+
+ // otherwise jump into next section
+ position -= size;
+ type += adapter.getViewTypeCount();
+ }
+ return -1;
+ }
+
+ public boolean areAllItemsSelectable() {
+ return false;
+ }
+
+ public boolean isEnabled(int position) {
+ return (getItemViewType(position) != TYPE_SECTION_HEADER);
+ }
+
+ @Override
+ public View getView(int position, View convertView, ViewGroup parent) {
+ int sectionnum = 0;
+ for (Object section : this.sections.keySet()) {
+ Adapter adapter = sections.get(section);
+ int size = adapter.getCount() + 1;
+
+ // check if position inside this section
+ if (position == 0)
+ return headers.getView(sectionnum, convertView, parent);
+ if (position < size)
+ return adapter.getView(position - 1, convertView, parent);
+
+ // otherwise jump into next section
+ position -= size;
+ sectionnum++;
+ }
+ return null;
+ }
+
+ @Override
+ public long getItemId(int position) {
+ return position;
+ }
+} \ No newline at end of file