From 8abfce503e03e90d992d2362ed8355528c63c6fe Mon Sep 17 00:00:00 2001
From: Matti Tahvonen <matti.tahvonen@itmill.com>
Date: Fri, 8 Jun 2007 06:03:37 +0000
Subject: [PATCH] added tree component

svn changeset:1641/svn branch:trunk
---
 .../gwt/client/DefaultWidgetFactory.java      | 27 ++++----
 .../terminal/gwt/client/ui/TkTree.java        | 62 +++++++++++++++++++
 2 files changed, 77 insertions(+), 12 deletions(-)
 create mode 100644 src/com/itmill/toolkit/terminal/gwt/client/ui/TkTree.java

diff --git a/src/com/itmill/toolkit/terminal/gwt/client/DefaultWidgetFactory.java b/src/com/itmill/toolkit/terminal/gwt/client/DefaultWidgetFactory.java
index 3d144da418..f6a4646c10 100644
--- a/src/com/itmill/toolkit/terminal/gwt/client/DefaultWidgetFactory.java
+++ b/src/com/itmill/toolkit/terminal/gwt/client/DefaultWidgetFactory.java
@@ -1,29 +1,32 @@
 package com.itmill.toolkit.terminal.gwt.client;
 
 import com.google.gwt.user.client.ui.Widget;
-import com.itmill.toolkit.terminal.gwt.client.ui.Button;
-import com.itmill.toolkit.terminal.gwt.client.ui.GridLayout;
-import com.itmill.toolkit.terminal.gwt.client.ui.Label;
-import com.itmill.toolkit.terminal.gwt.client.ui.OrderedLayout;
-import com.itmill.toolkit.terminal.gwt.client.ui.UnknownComponent;
-import com.itmill.toolkit.terminal.gwt.client.ui.Window;
+import com.itmill.toolkit.terminal.gwt.client.ui.TkButton;
+import com.itmill.toolkit.terminal.gwt.client.ui.TkGridLayout;
+import com.itmill.toolkit.terminal.gwt.client.ui.TkLabel;
+import com.itmill.toolkit.terminal.gwt.client.ui.TkOrderedLayout;
+import com.itmill.toolkit.terminal.gwt.client.ui.TkTree;
+import com.itmill.toolkit.terminal.gwt.client.ui.TkUnknownComponent;
+import com.itmill.toolkit.terminal.gwt.client.ui.TkWindow;
 
 public class DefaultWidgetFactory implements WidgetFactory {
 
 	public Widget createWidget(String tag, String theme) {
 
 		if ("button".equals(tag))
-			return new Button();
+			return new TkButton();
 		if ("window".equals(tag))
-			return new Window();
+			return new TkWindow();
 		if ("orderedlayout".equals(tag))
-			return new OrderedLayout();
+			return new TkOrderedLayout();
 		if ("label".equals(tag))
-			return new Label();
+			return new TkLabel();
 		if ("gridlayout".equals(tag))
-			return new GridLayout();
+			return new TkGridLayout();
+		if ("tree".equals(tag))
+			return new TkTree();
 
-		return new UnknownComponent();
+		return new TkUnknownComponent();
 	}
 
 }
diff --git a/src/com/itmill/toolkit/terminal/gwt/client/ui/TkTree.java b/src/com/itmill/toolkit/terminal/gwt/client/ui/TkTree.java
new file mode 100644
index 0000000000..5e9aa5828d
--- /dev/null
+++ b/src/com/itmill/toolkit/terminal/gwt/client/ui/TkTree.java
@@ -0,0 +1,62 @@
+package com.itmill.toolkit.terminal.gwt.client.ui;
+
+import java.util.Iterator;
+
+import com.google.gwt.user.client.ui.Composite;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.Tree;
+import com.google.gwt.user.client.ui.TreeItem;
+import com.google.gwt.user.client.ui.VerticalPanel;
+import com.itmill.toolkit.terminal.gwt.client.Client;
+import com.itmill.toolkit.terminal.gwt.client.Paintable;
+import com.itmill.toolkit.terminal.gwt.client.UIDL;
+
+public class TkTree extends Composite implements Paintable {
+	
+	Label caption = new Label();
+	Tree tree = new Tree();
+	
+	public TkTree() {
+		VerticalPanel panel = new VerticalPanel();
+		panel.add(caption);
+		panel.add(tree);
+		initWidget(panel);
+	}
+
+	public void updateFromUIDL(UIDL uidl, Client client) {
+		
+		if (uidl.hasAttribute("caption")) caption.setText(uidl.getStringAttribute("caption")); 
+		
+		TreeItem rootNode = new TreeItem();
+		for (Iterator i = uidl.getChildIterator(); i.hasNext();) {
+			UIDL childUidl = (UIDL)i.next();
+			if(childUidl.getTag().equals("leaf"))
+				rootNode.addItem(childUidl.getStringAttribute("caption"));
+			if(childUidl.getTag().equals("node")) {
+				TreeNode childTree = new TreeNode();
+				childTree.updateFromUIDL(childUidl, client);
+				if(uidl.getBooleanAttribute("expanded"))
+					childTree.setState(true);
+				rootNode.addItem(childTree);
+			}
+		}
+	}
+	private class TreeNode extends TreeItem {
+		
+		public void updateFromUIDL(UIDL uidl, Client client) {
+			this.setText(uidl.getStringAttribute("caption"));
+			for (Iterator i = uidl.getChildIterator(); i.hasNext();) {
+				UIDL childUidl = (UIDL)i.next();
+				if(childUidl.getTag().equals("leaf"))
+					this.addItem(childUidl.getStringAttribute("caption"));
+				if(childUidl.getTag().equals("node")) {
+					TreeNode childTree = new TreeNode();
+					childTree.updateFromUIDL(childUidl, client);
+					this.addItem(childTree);
+				}
+			}
+			if(uidl.getBooleanAttribute("expanded"))
+				setState(true);
+		}
+	}
+}
-- 
2.39.5