From b2f4bb7a485161b187419cd3f18d7e038aeed20e Mon Sep 17 00:00:00 2001
From: Joonas Lehtinen <joonas.lehtinen@itmill.com>
Date: Wed, 13 Jun 2007 15:51:27 +0000
Subject: [PATCH] Corrections for tabsheet

svn changeset:1703/svn branch:trunk
---
 .../terminal/gwt/client/ui/TkTabsheet.java    | 99 ++++++++++++++++---
 1 file changed, 86 insertions(+), 13 deletions(-)

diff --git a/src/com/itmill/toolkit/terminal/gwt/client/ui/TkTabsheet.java b/src/com/itmill/toolkit/terminal/gwt/client/ui/TkTabsheet.java
index dfdf1c990a..373f869cbb 100644
--- a/src/com/itmill/toolkit/terminal/gwt/client/ui/TkTabsheet.java
+++ b/src/com/itmill/toolkit/terminal/gwt/client/ui/TkTabsheet.java
@@ -1,40 +1,113 @@
 package com.itmill.toolkit.terminal.gwt.client.ui;
 
+import java.util.ArrayList;
+import java.util.HashMap;
 import java.util.Iterator;
 
+import com.google.gwt.user.client.ui.DeckPanel;
 import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.SourcesTabEvents;
+import com.google.gwt.user.client.ui.TabBar;
+import com.google.gwt.user.client.ui.TabListener;
 import com.google.gwt.user.client.ui.TabPanel;
 import com.google.gwt.user.client.ui.Widget;
 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 TkTabsheet extends TabPanel implements
-		Paintable {
+public class TkTabsheet extends TabPanel implements Paintable {
 
 	String id;
 
 	Client client;
 
+	ArrayList tabKeys = new ArrayList();
+
+	ArrayList captions = new ArrayList();
+
+	int activeTabIndex = 0;
+
+	TabListener tl = new TabListener() {
+
+		public void onTabSelected(SourcesTabEvents sender, int tabIndex) {
+			TkTabsheet.this.client.updateVariable(id, "selected", tabIndex,
+					true);
+		}
+
+		public boolean onBeforeTabSelected(SourcesTabEvents sender, int tabIndex) {
+			return true;
+		}
+
+	};
+
 	public TkTabsheet() {
+		addTabListener(new TabListener() {
+
+			public void onTabSelected(SourcesTabEvents sender, int tabIndex) {
+				if (client != null && activeTabIndex != tabIndex)
+					TkTabsheet.this.client.updateVariable(id, "selected", ""
+							+ tabKeys.get(tabIndex), true);
+			}
+
+			public boolean onBeforeTabSelected(SourcesTabEvents sender,
+					int tabIndex) {
+				return true;
+			}
+
+		});
+
 	}
 
 	public void updateFromUIDL(UIDL uidl, Client client) {
 		this.client = client;
 		id = uidl.getId();
-		
+
 		UIDL tabs = uidl.getChildUIDL(0);
-		for(Iterator it = tabs.getChildIterator(); it.hasNext();) {
-			UIDL tab = (UIDL) it.next();
-			if(tab.getBooleanAttribute("selected")) {
-				Widget content = client.createWidgetFromUIDL(tab.getChildUIDL(0));
-				this.add(content, tab.getStringAttribute("caption"));
-				this.selectTab(this.getWidgetIndex(content));
-			} else {
-				this.add(new Label(), tab.getStringAttribute("caption"));
+		boolean keepCurrentTabs = tabKeys.size() == tabs.getNumberOfChildren();
+		for (int i = 0; keepCurrentTabs && i < tabKeys.size(); i++)
+			keepCurrentTabs = tabKeys.get(i).equals(
+					tabs.getChildUIDL(i).getStringAttribute("key"))
+					&& captions.get(i).equals(
+							tabs.getChildUIDL(i).getStringAttribute("caption"));
+		if (keepCurrentTabs) {
+			int index = 0;
+			for (Iterator it = tabs.getChildIterator(); it.hasNext();) {
+				UIDL tab = (UIDL) it.next();
+				if (tab.getBooleanAttribute("selected")) {
+					activeTabIndex = index;
+					Widget content = client.createWidgetFromUIDL(tab
+							.getChildUIDL(0));
+					getTabBar().selectTab(index);
+					DeckPanel dp = getDeckPanel();
+					dp.remove(index);
+					dp.insert(content, index);
+					dp.showWidget(index);
+				}
+				index++;
+			}
+		} else {
+			tabKeys.clear();
+			captions.clear();
+			clear();
+			int index = 0;
+			for (Iterator it = tabs.getChildIterator(); it.hasNext();) {
+				UIDL tab = (UIDL) it.next();
+				String key = tab.getStringAttribute("key");
+				String caption = tab.getStringAttribute("caption");
+				captions.add(caption);
+				tabKeys.add(key);
+				if (tab.getBooleanAttribute("selected")) {
+					activeTabIndex = index;
+					Widget content = client.createWidgetFromUIDL(tab
+							.getChildUIDL(0));
+					this.add(content, caption);
+					this.selectTab(this.getWidgetIndex(content));
+				} else {
+					this.add(new Label(), caption);
+				}
+				index++;
 			}
 		}
-		
-	}
 
+	}
 }
-- 
2.39.5