最近仔細看了一下dtree的代碼,它不支持checkbox很不爽,就自己動手加上了。修改後的代碼與原來的dtree兼容,可以直接替換原工程中的dtree。詳細示例請看附件。
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- function Node(id, pid, name, url, title, target, icon, iconOpen, open) {
- this.id = id;
- this.pid = pid;
- this.name = name;
- this.url = url;
- this.title = title;
- this.target = target;
- this.icon = icon;
- this.iconOpen = iconOpen;
- this._io = open || false;
- this._is = false;
- this._ls = false;
- this._hc = false;
- this._ai = 0;
- this._p;
- };
-
- function dTree(objName,iconPath) {
- this.config = {
- target : null,
- folderLinks : true,
- useSelection : true,
- useCookies : true,
- useLines : true,
- useIcons : true,
- useStatusText : false,
- closeSameLevel : false,
- inOrder : false,
- check:false
- };
-
- if(!iconPath)iconPath="img/";
- this.icon = {
- root : iconPath+'base.gif',
- folder : iconPath+'folder.gif',
- folderOpen : iconPath+'folderopen.gif',
- node : iconPath+'page.gif',
- empty : iconPath+'empty.gif',
- line : iconPath+'line.gif',
- join : iconPath+'join.gif',
- joinBottom : iconPath+'joinbottom.gif',
- plus : iconPath+'plus.gif',
- plusBottom : iconPath+'plusbottom.gif',
- minus : iconPath+'minus.gif',
- minusBottom : iconPath+'minusbottom.gif',
- nlPlus : iconPath+'nolines_plus.gif',
- nlMinus : iconPath+'nolines_minus.gif'
- };
-
- this.cbCollection = new Object();
- this.obj = objName;
- this.aNodes = [];
- this.aIndent = [];
- this.root = new Node(-1);
- this.selectedNode = null;
- this.selectedFound = false;
- this.completed = false;
- };
-
-
- dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) {
- this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open);
- };
-
-
- dTree.prototype.openAll = function() {
- this.oAll(true);
- };
- dTree.prototype.closeAll = function() {
- this.oAll(false);
- };
-
-
- dTree.prototype.toString = function() {
- var str = '<div class="dtree">/n';
- if (document.getElementById) {
- if (this.config.useCookies) this.selectedNode = this.getSelected();
- str += this.addNode(this.root);
- } else str += 'Browser not supported.';
- str += '</div>';
- if (!this.selectedFound) this.selectedNode = null;
- this.completed = true;
- return str;
- };
-
-
- dTree.prototype.addNode = function(pNode) {
- var str = '';
- var n=0;
- if (this.config.inOrder) n = pNode._ai;
- for (n; n<this.aNodes.length; n++) {
- if (this.aNodes[n].pid == pNode.id) {
- var cn = this.aNodes[n];
- cn._p = pNode;
- cn._ai = n;
- this.setCS(cn);
- if (!cn.target && this.config.target) cn.target = this.config.target;
- if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);
- if (!this.config.folderLinks && cn._hc) cn.url = null;
- if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {
- cn._is = true;
- this.selectedNode = n;
- this.selectedFound = true;
- }
- str += this.node(cn, n);
- if (cn._ls) break;
- }
- }
- return str;
- };
-
-
- dTree.prototype.co=function(id){
- if (this.cbCollection[id])return this.cbCollection[id];
- for(var n=0; n<this.aNodes.length; n++){
- if(this.aNodes[n].id==id){
- this.cbCollection[id]=document.getElementById("c"+this.obj+n);
- break;
- }
- }
- return this.cbCollection[id];
- };
-
-
- dTree.prototype.getCheckedNodes=function(){
- var res = new Array();
- var cko;
- for(var n=0; n<this.aNodes.length; n++){
-
-
-
-
- cko = this.co(this.aNodes[n].id);
- if(cko.checked==true){
- res[res.length]=this.aNodes[n].id;
- }
- }
- return res;
- }
-
- dTree.prototype.cc=function(nodeId){
- var cs = document.getElementById("c"+this.obj+nodeId).checked;
- var n,node = this.aNodes[nodeId];
- var len =this.aNodes.length;
- for (n=0; n<len; n++) {
-
- if (this.aNodes[n].pid == node.id) {
-
-
- document.getElementById("c"+this.obj+n).checked=cs;
- this.cc(n);
- }
- }
- if(cs==false)return;
- var pid=node.pid;
- var bSearch;
- do{
- bSearch=false;
- for(n=0;n<len;n++){
- if(this.aNodes[n].id==pid){
- document.getElementById("c"+this.obj+n).checked=true;
- pid=this.aNodes[n].pid;
- bSearch= true;
- break;
- }
- }
- }while(bSearch==true)
- }
-
-
- dTree.prototype.node = function(node, nodeId) {
- var str = '<div class="dTreeNode">' + this.indent(node, nodeId);
- if (this.config.useIcons) {
- if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);
- if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;
- if (this.root.id == node.pid) {
- node.icon = this.icon.root;
- node.iconOpen = this.icon.root;
- }
- str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io)?node.iconOpen : node.icon) + '" alt="" />';
- }
- if(this.config.check==true){
- str+= '<input type="checkbox" class="cx" id="c'+ this.obj + nodeId + '" οnclick="javascript:'+this.obj+'.cc('+nodeId+')"/>';
-
- }
- if (node.url) {
- str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';
- if (node.title) str += ' title="' + node.title + '"';
- if (node.target) str += ' target="' + node.target + '"';
- if (this.config.useStatusText) str += ' οnmοuseοver="window.status=/'' + node.name + '/';return true;" οnmοuseοut="window.status=/'/';return true;" ';
- if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc)) str += ' οnclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';
- str += '>';
- }
- else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)
- str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';
- str += node.name;
- if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';
- str += '</div>';
- if (node._hc) {
- str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';
- str += this.addNode(node);
- str += '</div>';
- }
- this.aIndent.pop();
-
- return str;
- };
-
-
- dTree.prototype.indent = function(node, nodeId) {
- var str = '';
- if (this.root.id != node.pid) {
- for (var n=0; n<this.aIndent.length; n++)
- str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';
- (node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);
- if (node._hc) {
- str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';
- if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;
- else str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.config.useLines) ? this.icon.plusBottom : this.icon.plus ) );
- str += '" alt="" /></a>';
- } else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';
- }
- return str;
- };
-
-
- dTree.prototype.setCS = function(node) {
- var lastId;
- for (var n=0; n<this.aNodes.length; n++) {
- if (this.aNodes[n].pid == node.id) node._hc = true;
- if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;
- }
- if (lastId==node.id) node._ls = true;
- };
-
-
- dTree.prototype.getSelected = function() {
- var sn = this.getCookie('cs' + this.obj);
- return (sn) ? sn : null;
- };
-
-
- dTree.prototype.s = function(id) {
- if (!this.config.useSelection) return;
- var cn = this.aNodes[id];
- if (cn._hc && !this.config.folderLinks) return;
- if (this.selectedNode != id) {
- if (this.selectedNode || this.selectedNode==0) {
- eOld = document.getElementById("s" + this.obj + this.selectedNode);
- eOld.className = "node";
- }
- eNew = document.getElementById("s" + this.obj + id);
- eNew.className = "nodeSel";
- this.selectedNode = id;
- if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);
- }
- };
-
-
- dTree.prototype.o = function(id) {
- var cn = this.aNodes[id];
- this.nodeStatus(!cn._io, id, cn._ls);
- cn._io = !cn._io;
- if (this.config.closeSameLevel) this.closeLevel(cn);
- if (this.config.useCookies) this.updateCookie();
- };
-
-
- dTree.prototype.oAll = function(status) {
- for (var n=0; n<this.aNodes.length; n++) {
- if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {
- this.nodeStatus(status, n, this.aNodes[n]._ls)
- this.aNodes[n]._io = status;
- }
- }
- if (this.config.useCookies) this.updateCookie();
- };
-
-
- dTree.prototype.openTo = function(nId, bSelect, bFirst) {
- if (!bFirst) {
- for (var n=0; n<this.aNodes.length; n++) {
- if (this.aNodes[n].id == nId) {
- nId=n;
- break;
- }
- }
- }
- var cn=this.aNodes[nId];
- if (cn.pid==this.root.id || !cn._p) return;
- cn._io = true;
- cn._is = bSelect;
- if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);
- if (this.completed && bSelect) this.s(cn._ai);
- else if (bSelect) this._sn=cn._ai;
- this.openTo(cn._p._ai, false, true);
- };
-
-
- dTree.prototype.closeLevel = function(node) {
- for (var n=0; n<this.aNodes.length; n++) {
- if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {
- this.nodeStatus(false, n, this.aNodes[n]._ls);
- this.aNodes[n]._io = false;
- this.closeAllChildren(this.aNodes[n]);
- }
- }
- }
-
-
- dTree.prototype.closeAllChildren = function(node) {
- for (var n=0; n<this.aNodes.length; n++) {
- if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {
- if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);
- this.aNodes[n]._io = false;
- this.closeAllChildren(this.aNodes[n]);
- }
- }
- }
-
-
- dTree.prototype.nodeStatus = function(status, id, bottom) {
- eDiv = document.getElementById('d' + this.obj + id);
- eJoin = document.getElementById('j' + this.obj + id);
- if (this.config.useIcons) {
- eIcon = document.getElementById('i' + this.obj + id);
- eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;
- }
- eJoin.src = (this.config.useLines)?
- ((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):
- ((status)?this.icon.nlMinus:this.icon.nlPlus);
- eDiv.style.display = (status) ? 'block': 'none';
- };
-
- dTree.prototype.clearCookie = function() {
- var now = new Date();
- var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
- this.setCookie('co'+this.obj, 'cookieValue', yesterday);
- this.setCookie('cs'+this.obj, 'cookieValue', yesterday);
- };
-
-
- dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure)
-
- {
- document.cookie =
- escape(cookieName) + '=' + escape(cookieValue)
- + (expires ? '; expires=' + expires.toGMTString() : '')
- + (path ? '; path=' + path : '')
- + (domain ? '; domain=' + domain : '')
- + (secure ? '; secure' : '');
- };
-
-
- dTree.prototype.getCookie = function(cookieName) {
- var cookieValue = '';
- var posName = document.cookie.indexOf(escape(cookieName) + '=');
- if (posName != -1) {
- var posValue = posName + (escape(cookieName) + '=').length;
- var endPos = document.cookie.indexOf(';', posValue);
- if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));
- else cookieValue = unescape(document.cookie.substring(posValue));
- }
- return (cookieValue);
- };
-
-
- dTree.prototype.updateCookie = function() {
- var str = '';
- for (var n=0; n<this.aNodes.length; n++) {
- if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {
- if (str) str += '.';
- str += this.aNodes[n].id;
- }
- }
- this.setCookie('co' + this.obj, str);
- };
-
-
- dTree.prototype.isOpen = function(id) {
- var aOpen = this.getCookie('co' + this.obj).split('.');
- for (var n=0; n<aOpen.length; n++)
- if (aOpen[n] == id) return true;
- return false;
- };
-
-
- if (!Array.prototype.push) {
- Array.prototype.push = function array_push() {
- for(var i=0;i<arguments.length;i++)
- this[this.length]=arguments[i];
- return this.length;
- }
- };
- if (!Array.prototype.pop) {
- Array.prototype.pop = function array_pop() {
- lastElement = this[this.length-1];
- this.length = Math.max(this.length-1,0);
- return lastElement;
- }
- };