老生常谈combobox和combotree模糊查询

First

/**  * combobox和combotree模糊查询 * combotree 结果显示两级父节点(手动设置数量) * 键盘上下键选择叶子节点 * 键盘回车键设置文本的值 */(function(){ //combobox可编辑，自定义模糊查询  $.fn.combobox.defaults.editable = true;  $.fn.combobox.defaults.filter = function(q, row){  var opts = $(this).combobox('options');  return row[opts.textField].indexOf(q) >= 0;  };  //combotree可编辑，自定义模糊查询  $.fn.combotree.defaults.editable = true; //选中行索引 var leafBlockIndex=0; //当前选中行索引 var nowLeafBlockIndex=-1; //combotree 组件 var comboTree=null; //叶子节点DOM Array var leafBlocks=null;; //将所有的结果叶子节点放入 DOM Array中 function getDOMArray(data){ comboTree = $(data).combotree('tree'); leafBlocks=new Array(); var leafs = comboTree.tree('getChildren'); for (var i = 0; i < leafs.length; i++) {  var leaf = leafs[i];  var dis =$(leaf.target).css('display')+'';  if('block' == dis){  if(comboTree.tree('isLeaf',leaf.target)){   leafBlocks.push(leaf.target);  }  } };  }; //------------------------------------- $.extend($.fn.combotree.defaults.keyHandler,{  up:function(e){  leafBlockIndex=nowLeafBlockIndex;  leafBlockIndex--;  getDOMArray(this);  if(leafBlockIndex <0){  leafBlockIndex=leafBlocks.length-1;  }  comboTree.tree('select',leafBlocks[leafBlockIndex]);//  easyui 1.3.4版开始可用//  comboTree.tree('scrollTo',leafBlocks[leafBlockIndex]);  nowLeafBlockIndex=leafBlockIndex; }, down:function(e){  leafBlockIndex=nowLeafBlockIndex;  leafBlockIndex++;  getDOMArray(this);  if(leafBlockIndex >= leafBlocks.length){  leafBlockIndex=0;  }  comboTree.tree('select',leafBlocks[leafBlockIndex]);//  easyui 1.3.4版开始可用//  comboTree.tree('scrollTo',leafBlocks[leafBlockIndex]);  nowLeafBlockIndex=leafBlockIndex; }, left: function(e){  console.log('left');//  var val = $(this).combo('getText');//  $(this).combo('setText',val+' '); }, right: function(e){  console.log('right');//  var val = $(this).combo('getText');//  console.log(val);//  $(this).combo('setText',val+' '); }, enter:function(e){  var leaf =$(leafBlocks[nowLeafBlockIndex]);  var value =leaf.children('span').last().text();  $(this).combo('setText',value);  $(this).combo('hidePanel') },  query:function(q){  var t = $(this).combotree('tree');   var nodes = t.tree('getChildren');   for(var i=0; i<nodes.length; i++){   var node = nodes[i];   if (node.text.indexOf(q) >= 0){    $(node.target).show();   var parent=t.tree('getParent',node.target);   if(parent){   $(parent.target).show();   if(parent){    parent=t.tree('getParent',parent.target);    $(parent.target).show();   }   }  } else {    $(node.target).hide();   }   }   var opts = $(this).combotree('options');   if (!opts.hasSetEvents){  opts.hasSetEvents = true;   var onShowPanel = opts.onShowPanel;   opts.onShowPanel = function(){    var nodes = t.tree('getChildren');    for(var i=0; i<nodes.length; i++){    $(nodes[i].target).show();    }    onShowPanel.call(this);   };   $(this).combo('options').onShowPanel = opts.onShowPanel;   } } });})(jQuery);