/*
*
* TreeTable 0.1 - Client-side TreeTable Viewer!
* @requires jQuery v1.3
*
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
*
*/
(function($){
$.extend({
treetable: new function() {
this.defaults = {
id_col: 0,
parent_col: 1,
handle_col: 2,
order_col: -1,
open_img: "lib/plugin/treetable/images/minus.gif",
close_img: "lib/plugin/treetable/images/plus.gif",
expanded: true//@author GaoBing
};
//jquery的trim處理不了 産生的"空格"
function trim(str){
return str.replace(/(^[sxA0]*)|([sxA0]*$)/g, "");
}
this.construct = function(settings){
if(this.size()!=1)return;//隻處理一個表格
if(this[0].tagName.toUpperCase()!="TBODY")return;//隻應用于tbody
var config = $.extend({}, $.treetable.defaults, settings);
if(config.id_col==null || config.parent_col==null || config.handle_col==null ) return;
var $this = $(this);
var tr_arr = new Array();
var tr_sort = new Array();
//建構行對象數組
$this.find("tr").each(function(){
var id = $.trim($(this).find("td:eq("+config.id_col+")").text());
var parent = $.trim($(this).find("td:eq("+config.parent_col+")").text());
tr_arr.push({'id':id,'parent':parent,'level':0,'node':'leaf','expanded':config.expanded,'obj':$(this)});
});
var len = tr_arr.length;
var level = 0;
/*
檢查tr_arr中的每一行的父行是否再tr_sort中,
如果有則插入到tr_sort的父行後,從tr_arr中删除
直到tr_arr都為null,生成排好序的tr_sort
*/
while(len>0){
for(var i=0;i<tr_arr.length;i++){
var o = tr_arr[i];
if(o==null)continue;
if(o.parent==""){//根行直接壓入tr_sort
tr_sort.push(o);
tr_arr[i]=null;
len=len-1;
}else{
if (tr_sort.length > 0){
for(var j=0;j<tr_sort.length;j++){
if(tr_sort[j].id==o.parent){
o.level = tr_sort[j].level+1;//從父行累計生成層次level
tr_sort[j].node='node';
tr_sort.splice(j+1,0,o);//數組插入
tr_arr[i]=null;
len=len-1;
break;
}
}
}else{
for(var k=0;k<tr_arr.length;k++){
var ok = tr_arr[k];
if(ok == null) continue;
if (o.id != ok.parent && ok.parent != ""){
ok.level = tr_arr[k].level+1;
tr_sort.push(ok);
tr_arr[i]=null;
len=len-1;
}else{
if (tr_sort[k]){
o.level = tr_sort[k].level+1;//從父行累計生成層次level
tr_sort[k].node='node';
tr_sort.splice(k+1,0,o);//數組插入
tr_arr[i]=null;
len=len-1;
break;
}
}
}
}
}
}
level=level+1;
}//while
//展開事件動作函數
var fn_click = function(){
var id = trim($(this).parent().parent().find("td:eq("+config.id_col+")").text());//擷取目前行ID
var v = -1;
for(var j=0;j<tr_sort.length;j++){
var o = tr_sort[j];
if(o.id==id){//在tr_sort找到行對象
if(o.node=='leaf')return;
v = o.level;
var img = o.obj.find("td:eq("+config.handle_col+") img")[0];
if(!o.expanded){//通過圖示判斷是展開還是收起
img.src=config.open_img;
o.expanded=true;
}else{
img.src=config.close_img;
o.expanded=false;
}
var show = o.expanded;
var f = false;//父行收起标志
var tmp = 0;//父行的層次
for(var i=j+1;i<tr_sort.length;i++){//根據level更新後續的子行
o = tr_sort[i];
var img = o.obj.find("td:eq("+config.handle_col+") img")[0];
var t = !o.expanded;//判斷是否是收起狀态
if(o.level>v && show){//展開操作
if(!f&&!t){//父行未收起,且目前行是展開狀态
o.obj.show();
}else if(!f&&t){//父行未收起,且目前行是收起狀态
tmp = o.level;
f = true;
o.obj.show();
}else if(f&&o.level<=tmp){//同級的前一行是收起狀态
if(!t){
f=false;
}else{
tmp = o.level;
}
o.obj.show();
}else{
;
}
}else if(o.level>v && !show){//收起操作則隐藏是以子行
o.obj.hide();
}else if(o.level<=v){//到達非子行,處理完畢
break;
}
}
break;
}
}
};
//重新繪制表格,添加展開動作圖示
for(var j=tr_sort.length-1;j>-1;j--){//prepend插入tbody内需使用反序
var o = tr_sort[j];
var img = $("<img src='"+config.open_img+"'>");
img.click(fn_click);
var tr=o.obj.find("td:eq("+config.handle_col+")");
//避免重複添加圖示
var imgEle = tr.find("img");
if(imgEle.length == 0){
tr.prepend(" ");
tr.prepend(img);
var s = new Array((o.level+1)*5).join(" ");//生成縮進空格
tr.prepend(s);
$this.prepend(o.obj);
}
}//for
/*
* @author GaoBing
* 是否展開 當expanded為false時,父節點收縮
* */
if(tr_sort.length > 0){
for(var i=0;i<tr_sort.length;i++){
var o = tr_sort[i];//行對象
var img = o.obj.find("td:eq("+config.handle_col+") img");//父節點圖示元素
if(o.expanded == false){//收縮
//檢查是否有父節點,如有父節點則隐藏本行節點
if (o.parent != ""){
o.obj.hide();//隐藏子節點
}
//檢查是否有子節點,有子節點則替換圖示
for(var j=0;j<tr_sort.length;j++){
if (tr_sort[j].parent != "" && tr_sort[j].parent == o.id){//有子節點
$(img).attr("src",config.close_img);//替換父節點圖示
}
}
}
}
}
}//construct
}//treetable
});
$.fn.extend({
treetable: $.treetable.construct
});
})(jQuery);
/**
* @author GaoBing
* 功能:對樹狀表格進行排序 父節點在前 子節點在後
**/
function treetable_sort(tableId,parentColumn){
var trs = new Array();
//拿到所有行
$("#" + tableId + " tbody tr[role='row']").each(function(index){
trs[index] = $(this).clone(true);
});
//清空之前的行資料
$("#" + tableId + " tbody").empty();
//遞歸
sort_tr_root(trs,tableId,parentColumn);
}
/*根節點排序*/
function sort_tr_root(trs,tableId,parentColumn){
var rootArr = new Array();
for(var i=0;i<trs.length;i++){
if (null != trs[i]){
var trsData = trs[i].attr("data");
var trsDataObj = eval('(' + trsData + ')');
var trsId = trsDataObj['id'];
var trsParentId = trsDataObj[ parentColumn ];
if (null == trsParentId || trsParentId == "" || undefined == trsParentId){//最外層的根
trs[i].attr("id",trsId);
$("#" + tableId + " tbody").append(trs[i]);
rootArr.push(trs[i]);
trs[i] = null;
}
}
}
//子節點排序
var treeData = changeDataToMap(trs);
var result = createSearchMap(trs,parentColumn);
for(var i=0;i<rootArr.length;i++){
var rootData = rootArr[i].attr("data");
var rootDataObj = eval('(' + rootData + ')');
var rootId = rootDataObj['id'];
var rootParentId = rootDataObj[ parentColumn ];
buildChild(tableId,treeData,result,rootId,rootParentId);
}
}
function createSearchMap(data,parentColumn){
//建立搜尋鍵值對
var result = {};
for(var i=0;i<data.length;i++) {
if (null != data[i]){
var trsData = data[i].attr("data");
var trsDataObj = eval('(' + trsData + ')');
var trId = trsDataObj['id'];
var trParentId = trsDataObj[parentColumn];
if(trParentId){
if(!result[trParentId] && trParentId != null && trParentId != ""){
result[trParentId] = [];
}
result[trParentId].push(trId);
}
}
}
return result;
}
function changeDataToMap(trs){
var deepMap = new Array();
for(var i=0;i<trs.length;i++){
if (null != trs[i]){
var trsData = trs[i].attr("data");
var trsDataObj = eval('(' + trsData + ')');
var trId = trsDataObj['id'];
if(trId){
deepMap[trId] = trs[i];
}
}
}
return deepMap;
}
function buildChild(tableId,treeData,result,id,parentId){
if (parentId){
var trObj = treeData[id];
trObj.attr("id",id);
$("#" + tableId + " tbody tr[role=row][id=" + parentId + "]").after(trObj);
}
var childrenIds = result[id];
if(childrenIds){
for(var i=0;i<childrenIds.length;i++){
buildChild(tableId,treeData,result,childrenIds[i],id);
}
}
}
/*判斷是否包含某個元素*/
Array.prototype.contains = function (element) { // 利用Array的原型prototype點出一個我想要封裝的方法名contains
for (var i = 0; i < this.length; i++) {
if (this[i] == element) { // 如果數組中某個元素和你想要測試的元素對象element相等,則證明數組中包含這個元素,傳回true
return true;
}
}
};
/**
* @author GaoBing
* 功能:表格樹 供datatable調用接口
**/
function initTreeTable(obj){
//參數
var tableId = obj.tableId;//表格ID
var tbodyId = obj.tbodyId;//表格中tbodyID
var isExpanded = obj.isExpanded;//是否展開所有節點
var viewConfig = obj.viewConfig;//展示配置
var parentColumn = obj.parentColumn;//父列
//排序 父節點排在子節點前面
treetable_sort(tableId,parentColumn);
//預設屬性
$.treetable.defaults={
id_col: viewConfig[0],//ID td列 {從0開始}
parent_col: viewConfig[1],//父ID td列
handle_col: viewConfig[2],//操作展開操作的 td列
open_img: "lib/plugin/treetable/images/minus.gif",//展開時圖示
close_img: "lib/plugin/treetable/images/plus.gif",//收縮時圖示
expanded: isExpanded//true為展開,false為收縮
};
//生成樹
$("#" + tbodyId).treetable();
//隐藏資料列
$("#" + tbodyId + " tr").find("td:eq(" + viewConfig[0] + ")").hide();
$("#" + tbodyId + " tr").find("td:eq(" + viewConfig[1] + ")").hide();
$("#" + tableId + " tr:eq(0)").find("th:eq(" + viewConfig[0] + ")").hide();
$("#" + tableId + " tr:eq(0)").find("th:eq(" + viewConfig[1] + ")").hide();
}