为easyui的datagrid、treegrid增加表头菜单,用于显示或隐藏列
/** * @author 孙宇 * * @requires jQuery,EasyUI * * 为datagrid、treegrid增加表头菜单,用于显示或隐藏列,注意:冻结列不在此菜单中 */ var createGridHeaderContextMenu = function(e, field) { e.preventDefault(); var grid = $(this);/* grid本身 */ var headerContextMenu = this.headerContextMenu;/* grid上的列头菜单对象 */ if (!headerContextMenu) { var tmenu = $(‘<div style="width:100px;"></div>‘).appendTo(‘body‘); var fields = grid.datagrid(‘getColumnFields‘); for ( var i = 0; i < fields.length; i++) { var fildOption = grid.datagrid(‘getColumnOption‘, fields[i]); if (!fildOption.hidden) { $(‘<div iconCls="icon-ok" field="‘ + fields[i] + ‘"/>‘).html(fildOption.title).appendTo(tmenu); } else { $(‘<div iconCls="icon-empty" field="‘ + fields[i] + ‘"/>‘).html(fildOption.title).appendTo(tmenu); } } headerContextMenu = this.headerContextMenu = tmenu.menu({ onClick : function(item) { var field = $(item.target).attr(‘field‘); if (item.iconCls == ‘icon-ok‘) { grid.datagrid(‘hideColumn‘, field); $(this).menu(‘setIcon‘, { target : item.target, iconCls : ‘icon-empty‘ }); } else { grid.datagrid(‘showColumn‘, field); $(this).menu(‘setIcon‘, { target : item.target, iconCls : ‘icon-ok‘ }); } } }); } headerContextMenu.menu(‘show‘, { left : e.pageX, top : e.pageY }); }; $.fn.datagrid.defaults.onHeaderContextMenu = createGridHeaderContextMenu; $.fn.treegrid.defaults.onHeaderContextMenu = createGridHeaderContextMenu;
时间: 2024-10-12 21:20:44