history.js
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Ext.require([
'Ext.util.History',
'Ext.tab.Panel'
]);
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 = ':';
function onTabChange(tabPanel, tab) {
var tabs = [],
ownerCt = tabPanel.ownerCt,
oldToken, newToken;
tabs.push(tab.id);
tabs.push(tabPanel.id);
while (ownerCt && ownerCt.is('tabpanel')) {
tabs.push(ownerCt.id);
ownerCt = ownerCt.ownerCt;
}
newToken = tabs.reverse().join(tokenDelimiter);
oldToken = Ext.History.getToken();
if (oldToken === null || oldToken.search(newToken) === -1) {
Ext.History.add(newToken);
}
}
// Handle this change event in order to restore the UI to the appropriate history state
function onAfterRender() {
Ext.History.on('change', function(token) {
var parts, tabPanel, length, i;
if (token) {
parts = token.split(tokenDelimiter);
length = parts.length;
// setActiveTab in all nested tabs
for (i = 0; i < length - 1; i++) {
Ext.getCmp(parts[i]).setActiveTab(Ext.getCmp(parts[i + 1]));
}
}
});
// 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.
var activeTab1 = Ext.getCmp('main-tabs').getActiveTab(),
activeTab2 = activeTab1.getActiveTab();
onTabChange(activeTab1, activeTab2);
}
Ext.create('Ext.TabPanel', {
renderTo: Ext.getBody(),
id: 'main-tabs',
height: 300,
width: 600,
activeTab: 0,
defaults: {
padding: 10
},
items: [{
xtype: 'tabpanel',
title: 'Tab 1',
id: 'tab1',
activeTab: 0,
padding: 5,
border: true,
plain: true,
defaults: {
padding: 10
},
items: [{
title: 'Sub-tab 1',
id: 'subtab1',
html: 'Sub-tab 1 content'
},{
title: 'Sub-tab 2',
id: 'subtab2',
html: 'Sub-tab 2 content'
},{
title: 'Sub-tab 3',
id: 'subtab3',
html: 'Sub-tab 3 content'
}],
listeners: {
tabchange: onTabChange
}
},{
title: 'Tab 2',
id: 'tab2',
html: 'Tab 2 content'
},{
title: 'Tab 3',
id: 'tab3',
html: 'Tab 3 content'
},{
title: 'Tab 4',
id: 'tab4',
html: 'Tab 4 content'
},{
title: 'Tab 5',
id: 'tab5',
html: 'Tab 5 content'
}],
listeners: {
tabchange: onTabChange,
afterrender: onAfterRender
}
});
});