当前位置: 首页 > 图文教程 > 网络编程 > Javascript > newxtree.js代码

Javascript
jquery中常用的SET和GET
解javascript 混淆加密收藏
JavaScript 在线压缩和格式化收藏
JavaScript URL参数读取改进版
javascript打开新窗口同时关闭旧窗口
借用Google的Javascript API Loader来加速你的网站
javascript Xml增删改查(IE下)操作实现代码
js操作Xml(向服务器发送Xml,处理服务器返回的Xml)(IE下有效)
最近项目写了一些js,水平有待提高
JavaScript库 开发规则
JavaScript入门教程(1) 什么是JS
JavaScript入门教程(2) JS基础知识
JavaScript入门教程(3) js面向对象
JavaScript入门教程(4) js浏览器对象
JavaScript入门教程(5) js Screen屏幕对象
JavaScript入门教程(7) History历史对象
JavaScript入门教程(8) Location地址对象
JavaScript入门教程(9) Document文档对象
JavaScript入门教程(11) js事件处理
JavaScript入门教程(12) js对象化编程

Javascript 中的 newxtree.js代码


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-10-12   浏览: 411 ::
收藏到网摘: n/a


/*=========================================
Powered by Fason
Email: [email protected]
HomePage:http://fason.nease.net
Version:3.0
=========================================*/
var TreeConfig = {
TreeIcon :{
root :'root.gif',
folderopen :'folderopen.gif',
folder :'folder.gif',
file :'file.gif',
Rplus :'Rplus.gif',
Rminus :'Rminus.gif',
join :'T.gif',
joinbottom :'L.gif',
plus :'Tplus.gif',
plusbottom :'Lplus.gif',
minus :'Tminus.gif',
minusbottom :'Lminus.gif',
blank :'blank.gif',
line :'I.gif'
},
defaultText :"New",
defaultHref :"javascript:void(0)",
defaultTarget :"_blank",
loadingText :"Loading...",
unavaibleText :"Unavaible",
useCookie :true,
contextmenu :null
};
var TreeHandler = {
id :0,
all :{},
getId :function (obj, key) {
var ID = key == null ? this.id :key;
this.all[ID] = obj;
return key==null ? this.id++ : key;
},
setImagePath :function(sPath){
for (i in TreeConfig.TreeIcon) {
var tem = new Image();
tem.src = sPath + TreeConfig.TreeIcon[i];
TreeConfig.TreeIcon[i] = tem.src;
}
}
};
//*************
// WebCookie
//*************
var WebCookie = new function () {
this.setValue = function (sName, sValue, sExpire, sPath, sDomain, sSecure) {
var cookie = sName + "=" + escape(sValue);
if (sExpire) cookie += "; expires=" + sExpire.toGMTString();
if (sPath) cookie += "; path=" + sPath;
if (sSecure) cookie += "; secure";
document.cookie = cookie;
};
this.getValue = function (sName) {
var c = document.cookie.split("; ");
for (var i=0; i<c.length; i++) {
var cItem = c[i].split("=");
if (cItem[0] == sName) return unescape(cItem[1]);
}
return null;
};
this.delCookie = function (sName) {
var cVal = this.getValue(sName);
if (cVal != null) {
var d = new Date();d.setTime(d.getTime()-1);
this.setValue(sName, cVal, d);
}
};
};
//**************
// TreeNode
//**************
Array.prototype.Remove = function(o){
for (var i=0; i<this.length; i++) {
if (this[i] == o) break;
}
if (i != this.length) return this.slice(0,i).concat(this.slice(i+1,this.length));
return this;
};
function TreeNode(sKey, sText, sHref, sTarget, sTitle, sIcon, sOpenIcon, sXMLSrc) {
this.id = TreeHandler.getId(this, sKey);
this.level = 0;
this.text = sText ? sText : TreeConfig.defaultText;
this.href = sHref ? sHref : TreeConfig.defaultHref;
this.target = sHref ? (sTarget ? sTarget : TreeConfig.defaultTarget) : "_self";
this.title = sTitle ? sTitle : this.text;
this.childNodes = new Array();
this.parentNode = null;
this.open = TreeConfig.useCookie ? this.getOpen() : 0;
this.shown = false;
this.icon = sIcon;
this.openIcon = sOpenIcon;
this.src = sXMLSrc;
this._tree = null;
this.onexpand = null;
this.oncollapse = null;
this.onselect = null;
this.toElement();
if (sXMLSrc) {
this.open = 0;
this.loader = new this.constructor(null, TreeConfig.loadingText, null, null, null);
this.add(this.loader);
}
};
TreeNode.prototype.toElement = function () {
var f = typeof(this.href) == "function";
var oThis = this;
this._item = document.createElement("div");
this._item.className = "TreeNode";
this._item.noWrap = true;
this._item.onselectstart = function(){ return false;}
this._handler = document.createElement("img");
this._handler.align = "absmiddle";
this._handler.onclick = function(){ oThis.toggle();};
this._item.appendChild(this._handler);
this._icon = document.createElement("img");
this._icon.align = "absmiddle";
//this._icon.onclick = function(){ oThis.select(true); };
this._icon.onclick = function(){ oThis.toggle(); }; //superj修改,单击图标为展开
this._icon.ondblclick = function(){ oThis.toggle(); };
this._item.appendChild(this._icon);
this._anchor = document.createElement("a");
this._anchor.className = "TreeNode-Anchor"
this._anchor.innerHTML = this.HTMLtoText(this.text);
this._anchor.target = f ? "_self" : this.target;
this._anchor.href = f ? TreeConfig.defaultHref : this.href;
this._anchor.title = this.title;
//this._anchor.onmousedown = function(e){ return oThis.contextMenu(e); };
this._anchor.onmousedown = function(){ oThis.toggle(); }; //superj修改,单击标签为展开
this._anchor.onfocus = function(){ oThis.focus(); }
this._anchor.onblur = function(){ oThis.blur(); };
this._anchor.onkeydown = function(e){ return oThis.KeyDown(e);}
this._item.appendChild(this._anchor);
this._container = document.createElement("div");
this._container.style.display = this.open ? "" : "none";
this._item.appendChild(this._container);
};
TreeNode.prototype.HTMLtoText = function (s) {
return String(s).replace(/&/g, "&").replace(/\"/g, '"').replace(/</g,'<').replace(/>/g, '>');
};
TreeNode.prototype.isLast = function () {
var p = this.parentNode;
if (p == null) return false;
return p.childNodes[p.childNodes.length - 1] == this;
};
TreeNode.prototype.indent = function () {
for (var i=0; i<this.childNodes.length; i++) { this.childNodes[i].indent(); }
var t = this._item, iv = this.level;
if (iv) while (--iv) { t.removeChild(t.firstChild); }
var node = this.parentNode, v = 0, _root = this.getRoot();
while (node) {
v++;
if (node == _root) break;
var m = document.createElement("img");
m.align = "absmiddle";
m.src = node.isLast() ? TreeConfig.TreeIcon.blank : TreeConfig.TreeIcon.line;
t.insertBefore(m, t.firstChild);
node = node.parentNode;
}
this.level = v;
};
TreeNode.prototype.recalIndent = function (nLevel, b) {
for (var i = 0; i<this.childNodes.length; i++) {
this.childNodes[i]._item.childNodes[nLevel-1].src = b ? TreeConfig.TreeIcon.blank : TreeConfig.TreeIcon.line;
this.childNodes[i].recalIndent(nLevel, b);
}
};
TreeNode.prototype.reloadIcon = function () {
var l = this.isLast(), o = this.open, m = TreeConfig.TreeIcon;
if (this.parentNode) {
this._handler.src = this.childNodes.length>0 ? (o ? (l ? m.minusbottom : m.minus) : (l ? m.plusbottom : m.plus)) : (l ? m.joinbottom : m.join);
}
this._icon.src = this.childNodes.length>0 ? (o ? (this.openIcon ? this.openIcon : (this.icon ? this.icon : m.folderopen)) : (this.icon ? this.icon : m.folder)) : (this.icon ? this.icon : m.file);
};
TreeNode.prototype.addXMLNodeLoop = function (doc) {
var c = doc.childNodes;
for (var i = 0; i < c.length; i++) {
var o = c[i];
if (o.nodeType == 1) {
var X = this.constructor;
var node = new X(o.getAttribute("id"), o.getAttribute("text"), o.getAttribute("href"), o.getAttribute("target"), o.getAttribute("title"), o.getAttribute("icon"), o.getAttribute("openicon"), o.getAttribute('src'));
this.add(node);
if (!o.getAttribute("src")) {
node.addXMLNodeLoop(o);
}
}
}
};
TreeNode.prototype.XMLHttpCallBack = function () {
if (this._xmlhttp.readyState != 4) return;
var oLoad = this.loader;
var doc = this._xmlhttp.responseXML;
var sXML = String(this._xmlhttp.responseText).replace(/<\?xml[^\?]*\?>/i, "");
if (window.DOMParser) {
doc = (new DOMParser()).parseFromString(sXML, 'text/xml');
} else {
doc.loadXML(sXML);
}
if (doc.documentElement) {
var oRoot = doc.getElementsByTagName("Tree")[0];
if (oRoot.childNodes.length == 0) { this.setText(TreeConfig.unavaibleText); }
else {
var s = this._tree.getSelectedNode() == oLoad;
this.addXMLNodeLoop(oRoot);
oLoad.remove();
this.async();
this.loader = null;
}
}
else {
oLoad.setText(TreeConfig.unavaibleText);
}
};
TreeNode.prototype.getXML = function () {
var oLoad = this.loader;
var oThis = this;
this._xmlhttp = null;
try{
if (window.XMLHttpRequest)
this._xmlhttp = new XMLHttpRequest();
else if (window.ActiveXObject)
this._xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}catch (e){}
if (this._xmlhttp == null) throw new Error('Your browser doesn\'t support!');
this._xmlhttp.onreadystatechange = function () { oThis.XMLHttpCallBack(); };
try {
var temp = (/\?/g.test(this.src)?"&":"?") + "temp=" + String(new Date().getTime())
this._xmlhttp.open("get", this.src + temp, true);
this._xmlhttp.send(null);
}catch(e){ oLoad.setText(TreeConfig.unavaibleText);}
};
TreeNode.prototype.resetTree = function (oTree) {
for (var i=0; i<this.childNodes.length; i++)
this.childNodes[i].resetTree(oTree);
this._tree = oTree;
};
TreeNode.prototype.setOpen = function (v) {
this.open = v;
if (TreeConfig.useCookie) {
WebCookie.setValue("o" + this.id, v);
}
};
TreeNode.prototype.getOpen = function () {
var o = WebCookie.getValue("o" + this.id);
if (o != null)
return parseInt(o);
return 0;
};
TreeNode.prototype.toHTML = function() {
var o = this._item;
this.indent();
this.reloadIcon();
if (this.parentNode == null) o.removeChild(this._handler);
return o;
};
TreeNode.prototype.getRoot = function() {
var root = this;
while (root.parentNode) root = root.parentNode;
return root;
};
TreeNode.prototype.setText = function(sText) {
this.text = sText;
this._anchor.innerHTML = this.HTMLtoText(sText);
};
TreeNode.prototype.add = function(oItem) {
var tree = this._tree;
oItem.parentNode = this;
var len = this.childNodes.length;
this.childNodes[len] = oItem;
if (len > 0) {
var o = this.childNodes[len-1];
o.recalIndent(o.level, false);
o.reloadIcon();
} else if (tree) {
if (tree._rendered) this.open = 0;
this.reloadIcon();
}
if (tree) this.resetTree(tree);
this._container.style.display = this.open ? "" : "none";
this._container.appendChild(oItem.toHTML());
return oItem;
};
TreeNode.prototype.remove = function(f) {
for (var i=0; i<this.childNodes.length; i++) { this.childNodes[i].remove(true); }
this.unselect();
var v = this.getPreviousSibling();
var p = this.parentNode;
if (p) {
p.childNodes = p.childNodes.Remove(this);
if (p.childNodes.length > 0) {
var node = p.childNodes[p.childNodes.length-1];
node.recalIndent(node.level, true);
node.reloadIcon();
} else {
p.setOpen(0);
p._container.style.display = "none";
p.reloadIcon();
}
}
var tmp = this._item;
if (tmp) tmp.parentNode.removeChild(tmp);
delete TreeConfig[this.id];
if (v && !f) v.select(false);
};
TreeNode.prototype.toggle = function() {
if (this.childNodes.length>0) {
if (this.open) {
this.collapse();
}
else {
this.expand();
}
}
};
TreeNode.prototype.expand = function() {
this.setOpen(1);
if (! this.shown) {
this.shown = true;
if (this.src) this.getXML();
}
this.reloadIcon();
this._container.style.display = "";
if (typeof this.onexpand == "function") {
this.onexpand();
} else {
eval(this.onexpand);
}
};
TreeNode.prototype.collapse = function() {
this.setOpen(0);
this._container.style.display = "none";
this.reloadIcon();
this.select(false);
if (typeof this.oncollapse == "function") {
this.oncollapse();
} else {
eval(this.oncollapse);
}
};
TreeNode.prototype.async = function () {
var a = this._tree.context;
if (!a.length) return;
var id = a[a.length - 1];
var node = TreeHandler.all[id];
if (typeof(node) != 'undefined') {
if (node.parentNode == this) {
this._.context = a.slice(0, -1);
if (node.childNodes.length > 0)
node.expand();
else
node.select();
}
}
};
TreeNode.prototype.expandAll = function() {
if (this.childNodes.length>0 && !this.open) this.expand();
this.expandChildren();
};
TreeNode.prototype.collapseAll = function() {
this.collapseChildren();
if (this.childNodes.length>0 && this.open) this.collapse();
};
TreeNode.prototype.expandChildren = function() {
for (var i=0; i<this.childNodes.length; i++)
this.childNodes[i].expandAll();
};
TreeNode.prototype.collapseChildren = function() {
for (var i=0; i<this.childNodes.length; i++)
this.childNodes[i].collapseAll();
};
TreeNode.prototype.openURL = function() {
if (typeof this.href == "function") {
this.href();
} else if (this.href != TreeConfig.defaultHref) {
window.open(this.href, this.target);
}
};
TreeNode.prototype.select = function(b){
this._anchor.focus();
if (b) {
this.openURL();
}
};
TreeNode.prototype.unselect = function () {
this._anchor.className = "TreeNode-Anchor";
var selected = this._tree.getSelectedNode();
if (selected == this) this._tree.setSelectedNode(null);
};
TreeNode.prototype.focus = function () {
var node = this._tree.getSelectedNode();
if (node && node != this) { node.unselect(); }
this._tree.setSelectedNode(this);
var oItem = this._anchor;
oItem.className = "TreeNode-Anchor focus";
if (typeof this.onselect == "function") {
this.onselect();
} else {
eval(this.onselect);
}
};
TreeNode.prototype.blur = function () {
var oItem = this._anchor;
oItem.className = "TreeNode-Anchor selected";
};
TreeNode.prototype.contextMenu = function (e) {
e = e || window.event;
if (e.button == 2) {
if (typeof TreeConfig.contextmenu == "function")
TreeConfig.contextmenu();
return false;
}
return true;
};
TreeNode.prototype.getFirstChild = function() {
if (this.childNodes.length>0 && this.open)
return this.childNodes[0];
return this;
};
TreeNode.prototype.getLastChild = function() {
if (this.childNodes.length>0 && this.open)
return this.childNodes[this.childNodes.length-1].getLastChild();
return this;
};
TreeNode.prototype.getPreviousSibling = function() {
if (!this.parentNode) return null;
for (var i=0;i<this.parentNode.childNodes.length;i++)
if (this.parentNode.childNodes[i] == this) break;
if (i == 0)
return this.parentNode;
else
return this.parentNode.childNodes[i-1].getLastChild();
};
TreeNode.prototype.getNextSibling = function() {
if (!this.parentNode) return null;
for (var i=0;i<this.parentNode.childNodes.length;i++)
if (this.parentNode.childNodes[i] == this)break;
if (i == this.parentNode.childNodes.length-1)
return this.parentNode.getNextSibling();
else
return this.parentNode.childNodes[i+1];
}
TreeNode.prototype.KeyDown=function(e){
e = e || window.event;
var code = e.which || e.keyCode;
var o = this;
if (code == 37) {
if (this.open) this.collapse();
else {
if (this.parentNode) this.parentNode.select(false);
}
return false;
}
else if (code == 38) {
var el = o.getPreviousSibling();
if (el) el.select(false);
return false;
}
else if (code == 39) {
if (this.childNodes.length>0) {
if (!this.open) this.expand();
else {
var el = o.getFirstChild();
if(el) el.select(false);
}
}
return false;
}
else if (code == 40) {
if (this.open && this.childNodes.length>0) this.getFirstChild().select(false);
else {
var el = o.getNextSibling();
if (el) el.select(false);
}
return false;
}
else if (code == 13) {
this.toggle();
return true;
}
return true;
};

function CheckBoxTreeNode(sKey, sName, sText, sHref, sTarget, sTitle, sIcon, sOpenIcon, sXMLSrc) {
this._base = TreeNode;
this._base(sKey, sText, sHref, sTarget, sTitle, sIcon, sOpenIcon, sXMLSrc);
this.name = sName;
this.checked = false;
};
CheckBoxTreeNode.prototype = new TreeNode;
CheckBoxTreeNode.prototype.toHTML = function () {
this._base = TreeNode.prototype.toHTML;
this._base();
var oThis = this;
this._checkbox = document.createElement("input");
this._checkbox.id = this._checkbox.name = this.name;
this._checkbox.type = "checkbox";
this._checkbox.defaultChecked = this.parentNode instanceof CheckBoxTreeNode ? this.parentNode.getChecked() : this.checked;
this._checkbox.onclick = function () { oThis.check() };
this._checkbox.hideFocus = true;
this._item.insertBefore(this._checkbox, this._icon);
return this._item;
};
CheckBoxTreeNode.prototype.check = function () {
this.setCheckedChildren(this.getChecked());
this.setCheckedParent();
if (typeof this.oncheck == "function") {
this.oncheck();
} else {
eval(this.oncheck);
}
};
CheckBoxTreeNode.prototype.setCheckedChildren = function (b) {
for (var i=0,j=0; i<this.childNodes.length; i++) {
if (this.childNodes[i] instanceof CheckBoxTreeNode)
this.childNodes[i].setCheckedChildren(b);
}
this._checkbox.checked = b;
};
CheckBoxTreeNode.prototype.setCheckedParent = function () {
var p = this.parentNode;
if (p instanceof CheckBoxTreeNode) {
for (var i=0; i<p.childNodes.length; i++) {
if (!p.childNodes[i].getChecked()) break;
}
p._checkbox.checked = i == p.childNodes.length
p.setCheckedParent();
}
};
CheckBoxTreeNode.prototype.getChecked = function () {
return this._checkbox.checked;
};

//************
// TreeView
//************
function TreeView(sKey, sText, sHref, sTarget, sTitle, sIcon, sOpenIcon, sXMLSrc) {
this.base = TreeNode;
this.base(sKey, sText, sHref, sTarget, sTitle, sIcon, sOpenIcon, sXMLSrc);
this.icon = sIcon || TreeConfig.TreeIcon.root;
this.context = new Array();
this._rendered = false;
this._tree = this;
};
TreeView.prototype = new TreeNode;
TreeView.prototype.getSelectedNode = function () {
if (window.selectedNode) return window.selectedNode;
return null;
};
TreeView.prototype.setSelectedNode = function (oNode) {
window.selectedNode = oNode;
};
TreeView.prototype.setContext = function () {
this.context = new Array();
for (var i=arguments.length-1,j=0; i>=0; i--,j++) {
this.context[j] = arguments[i];
}
};
TreeView.prototype.create = function (oTarget) {
oTarget.appendChild(this.toHTML());
this._rendered = true;
if (this.childNodes.length>0 || this.open || this.src)
this.expand();
};
TreeView.prototype.toString = function () {
var obj = this.toHTML();
var o = document.createElement("div");
o.appendChild(obj);
this._rendered = true;
return o.innerHTML;
};