PortalPanel.js
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/**
* @class Ext.app.PortalPanel
* @extends Ext.Panel
* A {@link Ext.Panel Panel} class used for providing drag-drop-enabled portal layouts.
*/
Ext.define('Ext.ux.portal.PortalPanel', {
extend: 'Ext.panel.Panel',
alias: 'widget.portalpanel',
cls: 'x-portal',
bodyCls: 'x-portal-body',
defaultType: 'portalcolumn',
componentLayout: 'body',
autoScroll: true,
initComponent : function() {
var me = this;
// Implement a Container beforeLayout call from the layout to this Container
this.layout = {
type : 'column'
};
this.callParent();
this.addEvents({
validatedrop: true,
beforedragover: true,
dragover: true,
beforedrop: true,
drop: true
});
this.on('drop', this.doLayout, this);
},
// Set columnWidth, and set first and last column classes to allow exact CSS targeting.
beforeLayout: function() {
var items = this.layout.getLayoutItems(),
len = items.length,
i = 0,
item;
for (; i < len; i++) {
item = items[i];
item.columnWidth = 1 / len;
item.removeCls(['x-portal-column-first', 'x-portal-column-last']);
}
items[0].addCls('x-portal-column-first');
items[len - 1].addCls('x-portal-column-last');
return this.callParent(arguments);
},
// private
initEvents : function(){
this.callParent();
this.dd = Ext.create('Ext.ux.portal.PortalDropZone', this, this.dropConfig);
},
// private
beforeDestroy : function() {
if (this.dd) {
this.dd.unreg();
}
Ext.app.PortalPanel.superclass.beforeDestroy.call(this);
}
});