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

Javascript
Javascript的匿名函数小结
js跟随滚动条滚动浮动代码
js监听表单value的修改同步问题,跨浏览器支持
JavaScript 模拟用户单击事件
javascript 获取表单file全路径
让IE8支持DOM 2(不用框架!)
javascript控制frame,iframe的src属性代码
JavaScript 井字棋人工智能实现代码
javascript showModalDialog模态对话框使用说明
JavaScript 学习笔记(四)
JavaScript 学习笔记(五)
JavaScript 学习笔记(六)
JavaScript 学习笔记(七)字符串的连接
js下用gb2312编码解码实现方法
javascript 面向对象技术基础教程
javascript eval和JSON之间的联系
JavaScript 数组循环引起的思考
url 特殊字符 传递参数解决方法
jQuery animate(滑块滑动效果代码)
用javascript做一个小游戏平台 (二) 游戏选择器

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: 254 ::
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;
};