Upgrade to ExtJS 4.0.0 - Released 04/26/2011

[extjs.git] / examples / portal / classes / PortalPanel.js

diff --git a/examples/portal/classes/PortalPanel.js b/examples/portal/classes/PortalPanel.js
new file mode 100644 (file)
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+++ b/examples/portal/classes/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.app.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.app.PortalDropZone', this, this.dropConfig);
+    },
+
+    // private
+    beforeDestroy : function() {
+        if (this.dd) {
+            this.dd.unreg();
+        }
+        Ext.app.PortalPanel.superclass.beforeDestroy.call(this);
+    }
+});