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+
+
+
+
+ The source code
+
+
+
+
+
+
+ * @class Ext.grid.plugin.HeaderReorderer
+ * @extends Ext.util.Observable
+ * @private
+ */
+Ext.define('Ext.grid.plugin.HeaderReorderer', {
+ extend: 'Ext.util.Observable',
+ requires: ['Ext.grid.header.DragZone', 'Ext.grid.header.DropZone'],
+ alias: 'plugin.gridheaderreorderer',
+
+ init: function(headerCt) {
+ this.headerCt = headerCt;
+ headerCt.on('render', this.onHeaderCtRender, this);
+ },
+
+ * @private
+ * AbstractComponent calls destroy on all its plugins at destroy time.
+ */
+ destroy: function() {
+ Ext.destroy(this.dragZone, this.dropZone);
+ },
+
+ onHeaderCtRender: function() {
+ this.dragZone = Ext.create('Ext.grid.header.DragZone', this.headerCt);
+ this.dropZone = Ext.create('Ext.grid.header.DropZone', this.headerCt);
+ if (this.disabled) {
+ this.dragZone.disable();
+ }
+ },
+
+ enable: function() {
+ this.disabled = false;
+ if (this.dragZone) {
+ this.dragZone.enable();
+ }
+ },
+
+ disable: function() {
+ this.disabled = true;
+ if (this.dragZone) {
+ this.dragZone.disable();
+ }
+ }
+});
+
+