老生常谈combobox和combotree模糊查询

/**  * 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);

(function ($) { //combotree可编辑，自定义模糊查询  $.fn.combotree.defaults.editable = true; $.extend($.fn.combotree.defaults.keyHandler, { query: function (q) {  var t = $(this).combotree('tree');  t.tree("search", q); } }); $.extend($.fn.tree.methods, {  /**   * 扩展easyui tree的搜索方法   * @param tree easyui tree的根DOM节点(UL节点)的jQuery对象  * @param searchText 检索的文本   * @param this-context easyui tree的tree对象  */ search: function (jqTree, searchText) {  //easyui tree的tree对象。可以通过tree.methodName(jqTree)方式调用easyui tree的方法   var tree = this;  //获取所有的树节点   var nodeList = getAllNodes(jqTree, tree);  //如果没有搜索条件，则展示所有树节点   searchText = $.trim(searchText);  if (searchText == "") {  for (var i = 0; i < nodeList.length; i++) {   $(".tree-node-targeted",  nodeList[i].target).removeClass("tree-node-targeted");   $(nodeList[i].target).show();  }  //展开已选择的节点（如果之前选择了）    var selectedNode = tree.getSelected(jqTree);  if (selectedNode) {   tree.expandTo(jqTree, selectedNode.target);  }  return;  }  //搜索匹配的节点并高亮显示    var matchedNodeList = [];  if (nodeList && nodeList.length > 0) {  var node = null;  for (var i = 0; i < nodeList.length; i++) {   node = nodeList[i];   if (isMatch(searchText, node.text)) {   matchedNodeList.push(node);   }  }  //隐藏所有节点   for (var i = 0; i < nodeList.length; i++) {   $(".tree-node-targeted", nodeList[i].target).removeClass("tree-node-targeted");   $(nodeList[i].target).hide();  }  //折叠所有节点   tree.collapseAll(jqTree);  //展示所有匹配的节点以及父节点   for (var i = 0; i < matchedNodeList.length; i++) {   showMatchedNode(jqTree, tree, matchedNodeList[i]);  }  } }, /**  * 展示节点的子节点（子节点有可能在搜索的过程中被隐藏了）  * @param node easyui tree节点   */ showChildren: function (jqTree, node) {  //easyui tree的tree对象。可以通过tree.methodName(jqTree)方式调用easyui tree的方法   var tree = this;  //展示子节点   if (!tree.isLeaf(jqTree, node.target)) {  var children = tree.getChildren(jqTree, node.target);  if (children && children.length > 0) {   for (var i = 0; i < children.length; i++) {   if ($(children[i].target).is(":hidden")) {    $(children[i].target).show();   }   }  }  } }, /**  * 将滚动条滚动到指定的节点位置，使该节点可见（如果有滚动条才滚动，没有滚动条就不滚动）  * @param param {  * treeContainer: easyui tree的容器（即存在滚动条的树容器）。如果为null，则取easyui tree的根UL节点的父节点。  * argetNode: 将要滚动到的easyui tree节点。如果targetNode为空，则默认滚动到当前已选中的节点，如果没有选中的节点，则不滚动  * }  */ scrollTo: function (jqTree, param) {  //easyui tree的tree对象。可以通过tree.methodName(jqTree)方式调用easyui tree的方法   var tree = this;  //如果node为空，则获取当前选中的node   var targetNode = param && param.targetNode ? param.targetNode : tree.getSelected(jqTree);  if (targetNode != null) {  //判断节点是否在可视区域   var root = tree.getRoot(jqTree);   var $targetNode = $(targetNode.target);  var Container = param && param.treeContainer ? param.treeContainer : jqTree.parent();  var containerH = container.height();  var nodeOffsetHeight = $targetNode.offset().top - container.offset().top;  if (nodeOffsetHeight > (containerH - 30)) {   var scrollHeight = container.scrollTop() + nodeOffsetHeight - containerH + 30;   container.scrollTop(scrollHeight);  }  } } }); /**   * 展示搜索匹配的节点 */ function showMatchedNode(jqTree, tree, node) { //展示所有父节点  $(node.target).show(); $(".tree-title", node.target).addClass("tree-node-targeted"); var pNode = node; while ((pNode = tree.getParent(jqTree, pNode.target))) {  $(pNode.target).show(); } //展开到该节点  tree.expandTo(jqTree, node.target); //如果是非叶子节点，需折叠该节点的所有子节点  if (!tree.isLeaf(jqTree, node.target)) {  tree.collapse(jqTree, node.target); } } /**  * 判断searchText是否与targetText匹配  * @param searchText 检索的文本 * @param targetText 目标文本  * @return true-检索的文本与目标文本匹配；否则为false.  */ function isMatch(searchText, targetText) { return $.trim(targetText) != "" && targetText.indexOf(searchText) != -1; } /**  * 获取easyui tree的所有node节点 */ function getAllNodes(jqTree, tree) { var allNodeList = jqTree.data("allNodeList"); if (!allNodeList) {  var roots = tree.getRoots(jqTree);  allNodeList = getChildNodeList(jqTree, tree, roots);  jqTree.data("allNodeList", allNodeList); } return allNodeList; } /**  * 定义获取easyui tree的子节点的递归算法 */ function getChildNodeList(jqTree, tree, nodes) { var childNodeList = []; if (nodes && nodes.length > 0) {  var node = null;  for (var i = 0; i < nodes.length; i++) {  node = nodes[i];  childNodeList.push(node);  if (!tree.isLeaf(jqTree, node.target)) {   var children = tree.getChildren(jqTree, node.target);   childNodeList = childNodeList.concat(getChildNodeList(jqTree, tree, children));  }  } } return childNodeList; }})(jQuery);