From c29297de779e54bcf7d8faa069bc91cb5f93a64d Mon Sep 17 00:00:00 2001
From: Matti Tahvonen <matti.tahvonen@itmill.com>
Date: Wed, 15 Aug 2007 12:10:07 +0000
Subject: [PATCH] tree selection indication

svn changeset:2016/svn branch:trunk
---
 .../toolkit/terminal/gwt/client/ui/ITree.java | 31 ++++++++++++++++---
 .../public/component-themes/collection.css    |  2 ++
 .../public/component-themes/tree/css/tree.css |  3 ++
 3 files changed, 31 insertions(+), 5 deletions(-)
 create mode 100644 src/com/itmill/toolkit/terminal/gwt/public/component-themes/tree/css/tree.css

diff --git a/src/com/itmill/toolkit/terminal/gwt/client/ui/ITree.java b/src/com/itmill/toolkit/terminal/gwt/client/ui/ITree.java
index 23ecf5205d..472a7764bc 100644
--- a/src/com/itmill/toolkit/terminal/gwt/client/ui/ITree.java
+++ b/src/com/itmill/toolkit/terminal/gwt/client/ui/ITree.java
@@ -15,6 +15,11 @@ import com.itmill.toolkit.terminal.gwt.client.ApplicationConnection;
 import com.itmill.toolkit.terminal.gwt.client.Paintable;
 import com.itmill.toolkit.terminal.gwt.client.UIDL;
 
+/**
+ * TODO todo dump GWT's Tree implementation and use Toolkit 4 style
+ * DOM structure
+ *
+ */
 public class ITree extends Tree implements Paintable {
 	
 	public static final String CLASSNAME = "i-tree";
@@ -111,13 +116,19 @@ public class ITree extends Tree implements Paintable {
 			}
 		
 			public void onTreeItemSelected(TreeItem item) {
+				TreeNode n = ((TreeNode) item);
 				if (!selectable) return;
-				item.setSelected(true);
-				String key = ((TreeNode)item).key;
+				String key = n.key;
 				if (key != null) {
-					if (!multiselect) selectedIds.clear();
-					if (selectedIds.contains(key)) selectedIds.remove(key);
-					else selectedIds.add(key);
+					if(selectedIds.contains(key)) {
+						selectedIds.remove(key);
+						n.setISelected(false);
+					} else {
+						if (!multiselect) 
+							selectedIds.clear();
+						selectedIds.add(key);
+						n.setISelected(true);
+					}
 					ITree.this.client.updateVariable(ITree.this.paintableId, "selected", selectedIds.toArray(), true);
 				}
 			}
@@ -223,6 +234,16 @@ public class ITree extends Tree implements Paintable {
 			return paintableId;
 		}
 		
+		/**
+		 * Adds/removes IT Mill Toolkit spesific style name.
+		 * (GWT treenode does not support multiselects)
+		 * 
+		 * @param selected
+		 */
+		public void setISelected(boolean selected) {
+			setStyleName(getElement(), "i-tree-node-selected", selected);
+		}
+		
 		public void showContextMenu(Event event) {
 			client.console.log("Context menu");
 			if(actionKeys != null) {
diff --git a/src/com/itmill/toolkit/terminal/gwt/public/component-themes/collection.css b/src/com/itmill/toolkit/terminal/gwt/public/component-themes/collection.css
index df2efe8c1d..917555e03b 100644
--- a/src/com/itmill/toolkit/terminal/gwt/public/component-themes/collection.css
+++ b/src/com/itmill/toolkit/terminal/gwt/public/component-themes/collection.css
@@ -8,3 +8,5 @@
 @import "slider/css/slider.css";
 @import "window/css/window.css";
 @import "caption/css/caption.css";
+@import "tree/css/tree.css";
+
diff --git a/src/com/itmill/toolkit/terminal/gwt/public/component-themes/tree/css/tree.css b/src/com/itmill/toolkit/terminal/gwt/public/component-themes/tree/css/tree.css
new file mode 100644
index 0000000000..3245e30275
--- /dev/null
+++ b/src/com/itmill/toolkit/terminal/gwt/public/component-themes/tree/css/tree.css
@@ -0,0 +1,3 @@
+.i-tree-node-selected > table > tbody > tr > td > span.gwt-TreeItem {
+	background: #ff0;
+}
-- 
2.39.5