combobox和combotree模糊查詢_ZenDei技術網路在線

First First Second Second ...

First

/** 
 * combobox和combotree模糊查詢
 * combotree 結果顯示兩級父節點(手動設置數量)
 * 鍵盤上下鍵選擇葉子節點
 * 鍵盤迴車鍵設置文本的值
 */
(function(){
    //combobox可編輯，自定義模糊查詢  
    $.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可編輯，自定義模糊查詢  
    $.fn.combotree.defaults.editable = true;
    //選中行索引
    var leafBlockIndex=0;
    //當前選中行索引
    var nowLeafBlockIndex=-1;
    //combotree 組件
    var    comboTree=null;
    //葉子節點DOM Array
    var leafBlocks=null;;
    //將所有的結果葉子節點放入 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版開始可用
//            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版開始可用
//            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可編輯，自定義模糊查詢  
    $.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, {           /**   
         * 擴展easyui tree的搜索方法 
         * @param tree easyui tree的根DOM節點(UL節點)的jQuery對象          * @param searchText 檢索的文本 
         * @param this-context easyui tree的tree對象          */
        search: function (jqTree, searchText) {
            //easyui tree的tree對象。可以通過tree.methodName(jqTree)方式調用easyui tree的方法 
            var tree = this;
            //獲取所有的樹節點 
            var nodeList = getAllNodes(jqTree, tree);
            //如果沒有搜索條件，則展示所有樹節點       
            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();
                }
                //展開已選擇的節點（如果之前選擇了）            
                var selectedNode = tree.getSelected(jqTree);
                if (selectedNode) {
                    tree.expandTo(jqTree, selectedNode.target);
                }
                return;
            }
            //搜索匹配的節點並高亮顯示            
            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);
                    }
                }
                //隱藏所有節點 
                for (var i = 0; i < nodeList.length; i++) {
                    $(".tree-node-targeted", nodeList[i].target).removeClass("tree-node-targeted");
                    $(nodeList[i].target).hide();
                }
                //摺疊所有節點 
                tree.collapseAll(jqTree);
                //展示所有匹配的節點以及父節點 


                for (var i = 0; i < matchedNodeList.length; i++) {
                    showMatchedNode(jqTree, tree, matchedNodeList[i]);
                }
            }
        },
        /**   
        * 展示節點的子節點（子節點有可能在搜索的過程中被隱藏了）        
        * @param node easyui tree節點         
        */
        showChildren: function (jqTree, node) {
            //easyui tree的tree對象。可以通過tree.methodName(jqTree)方式調用easyui tree的方法 
            var tree = this;
            //展示子節點 
            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();
                        }
                    }
                }
            }
        },
        /**   
        * 將滾動條滾動到指定的節點位置，使該節點可見（如果有滾動條才滾動，沒有滾動條就不滾動） 
        * @param param {   
        * treeContainer: easyui tree的容器（即存在滾動條的樹容器）。如果為null，則取easyui tree的根UL節點的父節點。 
        * argetNode:  將要滾動到的easyui tree節點。如果targetNode為空，則預設滾動到當前已選中的節點，如果沒有選中的節點，則不滾動          * }             */
        scrollTo: function (jqTree, param) {
            //easyui tree的tree對象。可以通過tree.methodName(jqTree)方式調用easyui tree的方法 
            var tree = this;
            //如果node為空，則獲取當前選中的node   
            var targetNode = param && param.targetNode ? param.targetNode : tree.getSelected(jqTree);
            if (targetNode != null) {
                //判斷節點是否在可視區域                 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);
                }
            }
        }
    });
    /**   
         * 展示搜索匹配的節點      */
    function showMatchedNode(jqTree, tree, node) {
        //展示所有父節點 
        $(node.target).show();
        $(".tree-title", node.target).addClass("tree-node-targeted");
        var pNode = node;
        while ((pNode = tree.getParent(jqTree, pNode.target))) {
            $(pNode.target).show();
        }
        //展開到該節點 
        tree.expandTo(jqTree, node.target);
        //如果是非葉子節點，需摺疊該節點的所有子節點      
        if (!tree.isLeaf(jqTree, node.target)) {
            tree.collapse(jqTree, node.target);
        }
    }
    /**   
     * 判斷searchText是否與targetText匹配 
     * @param searchText 檢索的文本      * @param targetText 目標文本 
     * @return true-檢索的文本與目標文本匹配；否則為false.        
    */
    function isMatch(searchText, targetText) {
        return $.trim(targetText) != "" && targetText.indexOf(searchText) != -1;
    }
    /**   
     * 獲取easyui tree的所有node節點      */
    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;
    }
    /**   
     * 定義獲取easyui tree的子節點的遞歸演算法      */
    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);