SD.calendar.classes.categoryGrid = function(limitColumns, editCategories, command) {
	var calSelect = new Ext.grid.CheckColumn({
		header: 'Display in calendar',
		dataIndex: 'calDisplay',
		width: 120,
		sortable: true,
		menuDisabled: true
	});
	var infoDSelect = new Ext.grid.CheckColumn({
		header: 'Display in InfoDirect',
		dataIndex: 'infoDDisplay',
		width: 110,
		sortable: true,
		menuDisabled: true
	});
	if (command == 'schedEventCategories') {
		var rowSelect = new Ext.grid.RadioSelectionModel();
	} else {
		var rowSelect = new Ext.grid.CheckboxSelectionModel();
	}
	var columns = [
	rowSelect,
	{
		header: 'Category',
		width: 150,
		id: 'calCategoryGridCol',
		sortable: true,
		menuDisabled: true,
		dataIndex: 'category',
		editor: new Ext.form.TextField()
	},
	calSelect, infoDSelect];
	if (limitColumns) {
		var cs = [];
		for (var i = 0, len = limitColumns.length; i < len; i++) {
			cs.push(columns[limitColumns[i]]);
		}
		columns = cs;
	}
	SD.calendar.classes.categoryGrid.superclass.constructor.call(this, {
		store: new Ext.data.Store({
			url: 'main_menu/calendar_data.json.php',
			baseParams: {
				command: command
			},
			reader: new Ext.data.JsonReader({
				root: 'eventCategories',
				idProperty: 'catid',
				fields: [{
					name: 'catid',
					mapping: 'catid'
				},
				{
					name: 'cattype',
					mapping: 'cattype'
				},
				{
					name: 'category',
					mapping: 'category'
				},
				{
					name: 'calDisplay',
					mapping: 'calDisplay',
					type: 'bool'
				},
				{
					name: 'infoDDisplay',
					mapping: 'infoDDisplay',
					type: 'bool'
				},
				{
					name: 'selected',
					mapping: 'selected',
					type: 'bool'
				}]
			}),
			writer: new Ext.data.JsonWriter({
				writeAllFields: false
			}),
			autoLoad: false,
			autoSave: false,
			listeners: {
				write: function() {
					if (this.baseParams.command == "filterCategories") {
						calendarstore.reload();
					}
				}
			}
		}),
		columns: columns,
		plugins: [calSelect, infoDSelect],
		sm: rowSelect,
		editCategories: editCategories,
		autoExpandColumn: 'calCategoryGridCol',
		listeners: {
			beforeedit: function() {
				return this.editCategories;
			}
		}
	});
}
Ext.extend(SD.calendar.classes.categoryGrid, Ext.grid.EditorGridPanel);