= 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',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); // $(this).combo('setText',enter:function(e){ var leaf =$(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= 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

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,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,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,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,children));
  }
  }
  }
  return childNodeList;
  }
  })(jQuery);