app.js
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/**
* @example Lazy Instantiation
*
* A basic example demonstrating how a Container contains other items using the items config.
*/
Ext.require('Ext.tab.Panel');
Ext.require('Ext.window.MessageBox');
Ext.onReady(function() {
Ext.create('Ext.tab.Panel', {
renderTo: Ext.getBody(),
height: 100,
width: 200,
items: [
{
// Explicitly define the xtype of this Component configuration.
// This tells the Container (the tab panel in this case)
// to instantiate a Ext.panel.Panel when it deems necessary
xtype: 'panel',
title: 'Tab One',
html: 'The first tab',
listeners: {
render: function() {
Ext.MessageBox.alert('Rendered One', 'Tab One was rendered.');
}
}
},
{
// this component configuration does not have an xtype since 'panel' is the default
// xtype for all Component configurations in a Container
title: 'Tab Two',
html: 'The second tab',
listeners: {
render: function() {
Ext.MessageBox.alert('Rendered One', 'Tab Two was rendered.');
}
}
}
]
});
});