[interface] Images now appear on the collections tree and items tree. (yes, they are ugly).

chrome/chromeFiles/content/scholar/collectionTreeView.js

@@ -119,6 +119,12 @@ Scholar.CollectionTreeView.prototype.getCellText = function(row, column)
 		return "";
 }
 
+Scholar.CollectionTreeView.prototype.getImageSrc = function(row, col)
+{
+	var collectionType = this._getItemAtRow(row).type;
+	return "chrome://scholar/skin/treesource-" + collectionType + ".png";
+}
+
 Scholar.CollectionTreeView.prototype.isContainer = function(row)
 {
 	return this._getItemAtRow(row).isCollection();
@@ -331,7 +337,6 @@ Scholar.CollectionTreeView.prototype.isEditable = function(row, idx) 				{ retur
 Scholar.CollectionTreeView.prototype.getRowProperties = function(row, prop) 		{ }
 Scholar.CollectionTreeView.prototype.getColumnProperties = function(col, prop) 		{ }
 Scholar.CollectionTreeView.prototype.getCellProperties = function(row, col, prop) 	{ }
-Scholar.CollectionTreeView.prototype.getImageSrc = function(row, col) 				{ }
 Scholar.CollectionTreeView.prototype.performAction = function(action) 				{ }
 Scholar.CollectionTreeView.prototype.performActionOnCell = function(action, row, col)	{ }
 Scholar.CollectionTreeView.prototype.getProgressMode = function(row, col) 			{ }

chrome/chromeFiles/content/scholar/itemTreeView.js

@@ -122,6 +122,15 @@ Scholar.ItemTreeView.prototype.getCellText = function(row, column)
 	return val;
 }
 
+Scholar.ItemTreeView.prototype.getImageSrc = function(row, col)
+{
+	if(col.id == 'title')
+	{
+		var itemType = Scholar.ItemTypes.getTypeName(this._getItemAtRow(row).getType());
+		return "chrome://scholar/skin/treeitem-"+itemType+".png";
+	}
+}
+
 Scholar.ItemTreeView.prototype.isSorted = function()
 {
 	for(var i=0, len=this._treebox.columns.count; i<len; i++)
@@ -311,4 +320,3 @@ Scholar.ItemTreeView.prototype.getLevel = function(row) 						{ return 0; }
 Scholar.ItemTreeView.prototype.getRowProperties = function(row, prop) 			{ }
 Scholar.ItemTreeView.prototype.getColumnProperties = function(col, prop) 		{ }
 Scholar.ItemTreeView.prototype.getCellProperties = function(row, col, prop) 	{ }
-Scholar.ItemTreeView.prototype.getImageSrc = function(row, col) 				{ }