static.extjs.ux.portal.PortalPanel.js Maven / Gradle / Ivy
/**
* @class Ext.app.PortalPanel
* @extends Ext.panel.Panel
* A {@link Ext.panel.Panel Panel} class used for providing drag-drop-enabled portal layouts.
*/
Ext.define('Ext.app.PortalPanel', {
extend: 'Ext.panel.Panel',
alias: 'widget.portalpanel',
requires: [
'Ext.layout.container.Column',
'Ext.app.PortalDropZone',
'Ext.app.PortalColumn'
],
cls: 'x-portal',
bodyCls: 'x-portal-body',
defaultType: 'portalcolumn',
autoScroll: true,
manageHeight: false,
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
});
},
// Set columnWidth, and set first and last column classes to allow exact CSS targeting.
beforeLayout: function() {
var items = this.layout.getLayoutItems(),
len = items.length,
firstAndLast = ['x-portal-column-first', 'x-portal-column-last'],
i, item, last;
for (i = 0; i < len; i++) {
item = items[i];
item.columnWidth = 1 / len;
last = (i == len-1);
if (!i) { // if (first)
if (last) {
item.addCls(firstAndLast);
} else {
item.addCls('x-portal-column-first');
item.removeCls('x-portal-column-last');
}
} else if (last) {
item.addCls('x-portal-column-last');
item.removeCls('x-portal-column-first');
} else {
item.removeCls(firstAndLast);
}
}
return this.callParent(arguments);
},
// private
initEvents : function(){
this.callParent();
this.dd = Ext.create('Ext.app.PortalDropZone', this, this.dropConfig);
},
// private
beforeDestroy : function() {
if (this.dd) {
this.dd.unreg();
}
this.callParent();
}
});