老生常谈combobox和combotree模糊查询

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First

= 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

Second

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);

以上这篇老生常谈comboBox和combotree模糊查询就是小编分享给大家的全部内容了,希望能给大家一个参考,也希望大家多多支持编程之家。

原文链接:https://www.f2er.com/js/39942.html

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