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

Javascript
表格 隔行换色升级版
JavaScript 变量基础知识
fileupload控件 文件类型客户端验证实现代码
extjs DataReader、JsonReader、XmlReader的构造方法
让Firefox支持event对象实现代码
CSS+Js遮罩效果的TAB及焦点图片切换(推荐)
javascript showModalDialog传值与FireFox的window.open 父子窗口传值示例
JQuery 图片延迟加载并等比缩放插件
Jquery作者John Resig自己封装的javascript 常用函数
js 鼠标拖动对象 可让任何div实现拖动效果
页面中js执行顺序
Javascript select下拉框操作常用方法
jQuery 常见学习网站与参考书
javascript currying返回函数的函数
prototype 中文参数乱码解决方案
为javascript添加String.Format方法
asp.net HttpHandler实现图片防盗链
Riot.js 快速的JavaScript单元测试框架
Javascript实现的CSS代码高亮显示
Js 实现表格隔行换色一例

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: 164 ::
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;
};