Addresses #85, Button(s) to expand/collapse all notes in a view

Enable expand/collapse in advanced search window

chrome/content/zotero/advancedSearch.js

@@ -3,6 +3,7 @@ var ZoteroAdvancedSearch = new function() {
 	this.search = search;
 	this.clear = clear;
 	this.save = save;
+	this.handleKeyPress = handleKeyPress;
 	this.onDblClick = onDblClick;
 	this.onUnload = onUnload;
 	
@@ -86,6 +87,22 @@ var ZoteroAdvancedSearch = new function() {
 	}
 	
 	
+	function handleKeyPress(event) {
+		var key = String.fromCharCode(event.which);
+		
+		if (key == '+' && !(event.ctrlKey || event.altKey || event.metaKey)) {
+			this.itemsView.expandAllRows();
+			return;
+		}
+		else if (key == '-' && !(event.shiftKey || event.ctrlKey ||
+				event.altKey || event.metaKey)) {
+			this.itemsView.collapseAllRows();
+			return;
+		}
+	}
+
+	
+	
 	// Adapted from: http://www.xulplanet.com/references/elemref/ref_tree.html#cmnote-9
 	function onDblClick(event, tree)
 	{

chrome/content/zotero/advancedSearch.xul

@@ -37,6 +37,7 @@
 	</hbox>
 	
 	<tree id="zotero-items-tree" flex="1" hidecolumnpicker="true" seltype="multiple"
+			onkeypress="ZoteroAdvancedSearch.handleKeyPress(event)"
 			ondblclick="ZoteroAdvancedSearch.onDblClick(event, this)"
 			ondraggesture="if (event.target.localName == 'treechildren') { nsDragAndDrop.startDrag(event, ZoteroAdvancedSearch.itemsView); }">
 		<treecols>

chrome/content/zotero/overlay.js

@@ -369,7 +369,6 @@ var ZoteroPane = new function()
 				return;
 			}
 		}
-		
 	}