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();
