copy grid/CheckColumn.js from manager to manager5

www/manager5/grid/CheckColumn.js

+
+// partly copied from extjs/examples/ux/CheckColumn.js
+
+Ext.define('PVE.CheckColumn', {
+    extend: 'Ext.grid.column.Column',
+    alias: 'widget.checkcolumn',
+
+    constructor: function(cfg) {
+	this.renderer = function(value){
+            var cssPrefix = Ext.baseCSSPrefix,
+            cls = [cssPrefix + 'grid-checkheader'];
+
+            if (value) {
+		cls.push(cssPrefix + 'grid-checkheader-checked');
+            }
+            return '<div class="' + cls.join(' ') + '">&#160;</div>';
+	};
+
+	this.addEvents('checkchange');
+
+        this.callParent(arguments);
+    },
+
+    processEvent: function(type, view, cell, recordIndex, cellIndex, e) {
+        if (type == 'mousedown') {
+            var record = view.panel.store.getAt(recordIndex),
+                dataIndex = this.dataIndex,
+                checked = !record.get(dataIndex);
+            record.set(dataIndex, checked);
+            this.fireEvent('checkchange', this, record, checked);
+            return false;
+        } else {
+            return this.callParent(arguments);
+        }
+    }
+
+});
+