Mega Code Archive
Managing history for multiple components within the page
<![CDATA[
<!--
/*!
* Ext JS Library 3.0.0
* Copyright(c) 2006-2009 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
-->
<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>
</head>
<!-- Revised from demo code in ext3.0.0 -->
<body>
<script type="text/javascript">
/*!
* Ext JS Library 3.0.0
* Copyright(c) 2006-2009 Ext JS, LLC
* licensing@extjs.com
* http://www.extjs.com/license
*/
Ext.onReady(function() {
// The only requirement for this to work is that you must have a hidden field and
// an iframe available in the page with ids corresponding to Ext.History.fieldId
// and Ext.History.iframeId. See history.html for an example.
Ext.History.init();
// Needed if you want to handle history for multiple components in the same page.
// Should be something that won't be in component ids.
var tokenDelimiter = ':';
var tp = new Ext.TabPanel({
renderTo: Ext.getBody(),
id: 'main-tabs',
height: 300,
width: 600,
activeTab: 0,
items: [{
xtype: 'tabpanel',
title: 'Tab 1',
id: 'tab1',
activeTab: 0,
tabPosition: 'bottom',
items: [{
title: 'Sub-tab 1',
id: 'subtab1'
},{
title: 'Sub-tab 2',
id: 'subtab2'
},{
title: 'Sub-tab 3',
id: 'subtab3'
}],
listeners: {
'tabchange': function(tabPanel, tab){
Ext.History.add(tabPanel.id + tokenDelimiter + tab.id);
}
}
},{
title: 'Tab 2',
id: 'tab2'
},{
title: 'Tab 3',
id: 'tab3'
},{
title: 'Tab 4',
id: 'tab4'
},{
title: 'Tab 5',
id: 'tab5'
}],
listeners: {
'tabchange': function(tabPanel, tab){
// Ignore tab1 since it is a separate tab panel and we're managing history for it also.
// We'll use its handler instead in that case so we don't get duplicate nav events for sub tabs.
if(tab.id != 'tab1'){
Ext.History.add(tabPanel.id + tokenDelimiter + tab.id);
}
}
}
});
// Handle this change event in order to restore the UI to the appropriate history state
Ext.History.on('change', function(token){
if(token){
var parts = token.split(tokenDelimiter);
var tabPanel = Ext.getCmp(parts[0]);
var tabId = parts[1];
tabPanel.show();
tabPanel.setActiveTab(tabId);
}else{
// This is the initial default state. Necessary if you navigate starting from the
// page without any existing history token params and go back to the start state.
tp.setActiveTab(0);
tp.getItem(0).setActiveTab(0);
}
});
});
</script>
<!-- Fields required for history management -->
<form id="history-form" class="x-hidden">
<input type="hidden" id="x-history-field" />
<iframe id="x-history-frame"></iframe>
</form>
</body>
</html>
]]>