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老生常谈combobox和combotree模糊查询
类别:Jquery   作者:码皇   来源:互联网   点击:

下面小编就为大家带来一篇老生常谈combobox和combotree模糊查询。小编觉得挺不错的,现在就分享给大家,也给大家做个参考。一起跟随小编过来看看吧

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);

Second

    (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);

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脚本之家。

相关热词搜索: combotree 模糊查询