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/*----------------------------------------\
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| Cross Browser Tree Widget 1.1 |
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|-----------------------------------------|
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| Created by Emil A. Eklund (eae@eae.net) |
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| For WebFX (http://webfx.eae.net/) |
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|-----------------------------------------|
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| This script is provided as is without |
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| any warranty whatsoever. It may be used |
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| free of charge for non commerical sites |
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| For commerical use contact the author |
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| of this script for further details. |
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|-----------------------------------------|
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| Created 2000-12-11 | Updated 2001-09-06 |
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\----------------------------------------*/
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var webFXTreeConfig = {
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rootIcon : 'media/images/empty.png',
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openRootIcon : 'media/images/empty.png',
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folderIcon : 'media/images/empty.png',
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openFolderIcon : 'media/images/empty.png',
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fileIcon : 'media/images/empty.png',
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iIcon : 'media/images/I.png',
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lIcon : 'media/images/L.png',
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lMinusIcon : 'media/images/Lminus.png',
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lPlusIcon : 'media/images/Lplus.png',
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tIcon : 'media/images/T.png',
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tMinusIcon : 'media/images/Tminus.png',
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tPlusIcon : 'media/images/Tplus.png',
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blankIcon : 'media/images/blank.png',
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defaultText : 'Tree Item',
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defaultAction : 'javascript:void(0);',
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defaultTarget : 'right',
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defaultBehavior : 'classic'
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};
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var webFXTreeHandler = {
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idCounter : 0,
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idPrefix : "webfx-tree-object-",
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all : {},
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behavior : null,
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selected : null,
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getId : function() { return this.idPrefix + this.idCounter++; },
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toggle : function (oItem) { this.all[oItem.id.replace('-plus','')].toggle(); },
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select : function (oItem) { this.all[oItem.id.replace('-icon','')].select(); },
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focus : function (oItem) { this.all[oItem.id.replace('-anchor','')].focus(); },
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blur : function (oItem) { this.all[oItem.id.replace('-anchor','')].blur(); },
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keydown : function (oItem) { return this.all[oItem.id].keydown(window.event.keyCode); },
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cookies : new WebFXCookie()
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};
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/*
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* WebFXCookie class
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*/
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function WebFXCookie() {
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if (document.cookie.length) { this.cookies = ' ' + document.cookie; }
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}
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WebFXCookie.prototype.setCookie = function (key, value) {
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document.cookie = key + "=" + escape(value);
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}
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WebFXCookie.prototype.getCookie = function (key) {
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if (this.cookies) {
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var start = this.cookies.indexOf(' ' + key + '=');
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if (start == -1) { return null; }
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var end = this.cookies.indexOf(";", start);
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if (end == -1) { end = this.cookies.length; }
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end -= start;
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var cookie = this.cookies.substr(start,end);
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return unescape(cookie.substr(cookie.indexOf('=') + 1, cookie.length - cookie.indexOf('=') + 1));
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}
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else { return null; }
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}
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/*
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* WebFXTreeAbstractNode class
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*/
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function WebFXTreeAbstractNode(sText, sAction, sTarget) {
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this.childNodes = [];
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this.id = webFXTreeHandler.getId();
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this.text = sText || webFXTreeConfig.defaultText;
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this.action = sAction || webFXTreeConfig.defaultAction;
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this.targetWindow = sTarget || webFXTreeConfig.defaultTarget;
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this._last = false;
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webFXTreeHandler.all[this.id] = this;
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}
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WebFXTreeAbstractNode.prototype.add = function (node) {
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node.parentNode = this;
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this.childNodes[this.childNodes.length] = node;
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var root = this;
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if (this.childNodes.length >=2) {
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this.childNodes[this.childNodes.length -2]._last = false;
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}
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while (root.parentNode) { root = root.parentNode; }
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if (root.rendered) {
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if (this.childNodes.length >= 2) {
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document.getElementById(this.childNodes[this.childNodes.length -2].id + '-plus').src = ((this.childNodes[this.childNodes.length -2].folder)?webFXTreeConfig.tMinusIcon:webFXTreeConfig.tIcon);
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if (this.childNodes[this.childNodes.length -2].folder) {
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this.childNodes[this.childNodes.length -2].plusIcon = webFXTreeConfig.tPlusIcon;
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this.childNodes[this.childNodes.length -2].minusIcon = webFXTreeConfig.tMinusIcon;
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}
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this.childNodes[this.childNodes.length -2]._last = false;
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}
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this._last = true;
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var foo = this;
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while (foo.parentNode) {
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for (var i = 0; i < foo.parentNode.childNodes.length; i++) {
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if (foo.id == foo.parentNode.childNodes[i].id) { break; }
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}
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if (++i == foo.parentNode.childNodes.length) { foo.parentNode._last = true; }
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else { foo.parentNode._last = false; }
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foo = foo.parentNode;
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}
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document.getElementById(this.id + '-cont').insertAdjacentHTML("beforeEnd", node.toString());
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if ((!this.folder) && (!this.openIcon)) {
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this.icon = webFXTreeConfig.folderIcon;
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this.openIcon = webFXTreeConfig.openFolderIcon;
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}
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this.folder = true;
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this.indent();
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this.expand();
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}
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return node;
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}
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WebFXTreeAbstractNode.prototype.toggle = function() {
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if (this.folder) {
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if (this.open) { this.collapse(); }
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else { this.expand(); }
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}
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}
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WebFXTreeAbstractNode.prototype.select = function() {
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document.getElementById(this.id + '-anchor').focus();
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}
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WebFXTreeAbstractNode.prototype.focus = function() {
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webFXTreeHandler.selected = this;
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if ((this.openIcon) && (webFXTreeHandler.behavior != 'classic')) { document.getElementById(this.id + '-icon').src = this.openIcon; }
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document.getElementById(this.id + '-anchor').style.backgroundColor = 'highlight';
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document.getElementById(this.id + '-anchor').style.color = 'highlighttext';
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document.getElementById(this.id + '-anchor').focus();
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}
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WebFXTreeAbstractNode.prototype.blur = function() {
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if ((this.openIcon) && (webFXTreeHandler.behavior != 'classic')) { document.getElementById(this.id + '-icon').src = this.icon; }
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document.getElementById(this.id + '-anchor').style.backgroundColor = 'transparent';
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document.getElementById(this.id + '-anchor').style.color = 'menutext';
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}
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WebFXTreeAbstractNode.prototype.doExpand = function() {
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if (webFXTreeHandler.behavior == 'classic') { document.getElementById(this.id + '-icon').src = this.openIcon; }
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if (this.childNodes.length) { document.getElementById(this.id + '-cont').style.display = 'block'; }
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this.open = true;
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webFXTreeHandler.cookies.setCookie(this.id.substr(18,this.id.length - 18), '1');
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}
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WebFXTreeAbstractNode.prototype.doCollapse = function() {
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if (webFXTreeHandler.behavior == 'classic') { document.getElementById(this.id + '-icon').src = this.icon; }
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if (this.childNodes.length) { document.getElementById(this.id + '-cont').style.display = 'none'; }
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this.open = false;
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webFXTreeHandler.cookies.setCookie(this.id.substr(18,this.id.length - 18), '0');
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}
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WebFXTreeAbstractNode.prototype.expandAll = function() {
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this.expandChildren();
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if ((this.folder) && (!this.open)) { this.expand(); }
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}
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WebFXTreeAbstractNode.prototype.expandChildren = function() {
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for (var i = 0; i < this.childNodes.length; i++) {
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this.childNodes[i].expandAll();
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} }
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WebFXTreeAbstractNode.prototype.collapseAll = function() {
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if ((this.folder) && (this.open)) { this.collapse(); }
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this.collapseChildren();
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}
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WebFXTreeAbstractNode.prototype.collapseChildren = function() {
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for (var i = 0; i < this.childNodes.length; i++) {
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this.childNodes[i].collapseAll();
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} }
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WebFXTreeAbstractNode.prototype.indent = function(lvl, del, last, level) {
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/*
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* Since we only want to modify items one level below ourself,
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* and since the rightmost indentation position is occupied by
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* the plus icon we set this to -2
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*/
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if (lvl == null) { lvl = -2; }
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var state = 0;
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for (var i = this.childNodes.length - 1; i >= 0 ; i--) {
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state = this.childNodes[i].indent(lvl + 1, del, last, level);
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if (state) { return; }
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}
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if (del) {
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if (level >= this._level) {
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if (this.folder) {
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document.getElementById(this.id + '-plus').src = (this.open)?webFXTreeConfig.lMinusIcon:webFXTreeConfig.lPlusIcon;
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this.plusIcon = webFXTreeConfig.lPlusIcon;
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this.minusIcon = webFXTreeConfig.lMinusIcon;
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}
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else { document.getElementById(this.id + '-plus').src = webFXTreeConfig.lIcon; }
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return 1;
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}
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}
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var foo = document.getElementById(this.id + '-indent-' + lvl);
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if (foo) {
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if ((del) && (last)) { foo._last = true; }
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if (foo._last) { foo.src = webFXTreeConfig.blankIcon; }
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else { foo.src = webFXTreeConfig.iIcon; }
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}
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return 0;
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}
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/*
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* WebFXTree class
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*/
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function WebFXTree(sText, sAction, sBehavior, sIcon, sOpenIcon) {
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this.base = WebFXTreeAbstractNode;
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this.base(sText, sAction);
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this.icon = sIcon || webFXTreeConfig.rootIcon;
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this.openIcon = sOpenIcon || webFXTreeConfig.openRootIcon;
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/* Defaults to open */
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this.open = (webFXTreeHandler.cookies.getCookie(this.id.substr(18,this.id.length - 18)) == '0')?false:true;
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this.folder = true;
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this.rendered = false;
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if (!webFXTreeHandler.behavior) { webFXTreeHandler.behavior = sBehavior || webFXTreeConfig.defaultBehavior; }
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this.targetWindow = 'right';
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}
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WebFXTree.prototype = new WebFXTreeAbstractNode;
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WebFXTree.prototype.setBehavior = function (sBehavior) {
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webFXTreeHandler.behavior = sBehavior;
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};
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WebFXTree.prototype.getBehavior = function (sBehavior) {
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return webFXTreeHandler.behavior;
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};
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WebFXTree.prototype.getSelected = function() {
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if (webFXTreeHandler.selected) { return webFXTreeHandler.selected; }
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else { return null; }
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}
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WebFXTree.prototype.remove = function() { }
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WebFXTree.prototype.expand = function() {
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this.doExpand();
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}
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WebFXTree.prototype.collapse = function() {
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this.focus();
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this.doCollapse();
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}
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WebFXTree.prototype.getFirst = function() {
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return null;
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}
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WebFXTree.prototype.getLast = function() {
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return null;
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}
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WebFXTree.prototype.getNextSibling = function() {
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return null;
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}
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WebFXTree.prototype.getPreviousSibling = function() {
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return null;
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}
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WebFXTree.prototype.keydown = function(key) {
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if (key == 39) { this.expand(); return false; }
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if (key == 37) { this.collapse(); return false; }
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if ((key == 40) && (this.open)) { this.childNodes[0].select(); return false; }
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return true;
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}
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WebFXTree.prototype.toString = function() {
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var str = "<div id=\"" + this.id + "\" ondblclick=\"webFXTreeHandler.toggle(this);\" class=\"webfx-tree-item\" onkeydown=\"return webFXTreeHandler.keydown(this)\">";
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str += "<img id=\"" + this.id + "-icon\" class=\"webfx-tree-icon\" src=\"" + ((webFXTreeHandler.behavior == 'classic' && this.open)?this.openIcon:this.icon) + "\" onclick=\"webFXTreeHandler.select(this);\"><a href=\"" + this.action + "\" id=\"" + this.id + "-anchor\" target=\"" + this.targetWindow + "\" onfocus=\"webFXTreeHandler.focus(this);\" onblur=\"webFXTreeHandler.blur(this);\">" + this.text + "</a></div>";
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str += "<div id=\"" + this.id + "-cont\" class=\"webfx-tree-container\" style=\"display: " + ((this.open)?'block':'none') + ";\">";
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for (var i = 0; i < this.childNodes.length; i++) {
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str += this.childNodes[i].toString(i, this.childNodes.length);
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}
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str += "</div>";
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this.rendered = true;
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return str;
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};
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/*
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* WebFXTreeItem class
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*/
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function WebFXTreeItem(sText, sAction, eParent, sIcon, sOpenIcon) {
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this.base = WebFXTreeAbstractNode;
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this.base(sText, sAction);
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/* Defaults to close */
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this.open = (webFXTreeHandler.cookies.getCookie(this.id.substr(18,this.id.length - 18)) == '1')?true:false;
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if (eParent) { eParent.add(this); }
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if (sIcon) { this.icon = sIcon; }
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if (sOpenIcon) { this.openIcon = sOpenIcon; }
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}
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WebFXTreeItem.prototype = new WebFXTreeAbstractNode;
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WebFXTreeItem.prototype.remove = function() {
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var parentNode = this.parentNode;
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var prevSibling = this.getPreviousSibling(true);
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var nextSibling = this.getNextSibling(true);
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var folder = this.parentNode.folder;
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var last = ((nextSibling) && (nextSibling.parentNode) && (nextSibling.parentNode.id == parentNode.id))?false:true;
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this.getPreviousSibling().focus();
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this._remove();
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if (parentNode.childNodes.length == 0) {
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parentNode.folder = false;
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parentNode.open = false;
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}
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|
|
326 |
if (last) {
|
|
|
327 |
if (parentNode.id == prevSibling.id) {
|
|
|
328 |
document.getElementById(parentNode.id + '-icon').src = webFXTreeConfig.fileIcon;
|
|
|
329 |
}
|
|
|
330 |
else { }
|
|
|
331 |
}
|
|
|
332 |
if ((!prevSibling.parentNode) || (prevSibling.parentNode != parentNode)) {
|
|
|
333 |
parentNode.indent(null, true, last, this._level);
|
|
|
334 |
}
|
|
|
335 |
if (document.getElementById(prevSibling.id + '-plus')) {
|
|
|
336 |
if (nextSibling) {
|
|
|
337 |
if ((parentNode == prevSibling) && (parentNode.getNextSibling)) { document.getElementById(prevSibling.id + '-plus').src = webFXTreeConfig.tIcon; }
|
|
|
338 |
else if (nextSibling.parentNode != prevSibling) { document.getElementById(prevSibling.id + '-plus').src = webFXTreeConfig.lIcon; }
|
|
|
339 |
}
|
|
|
340 |
else { document.getElementById(prevSibling.id + '-plus').src = webFXTreeConfig.lIcon; }
|
|
|
341 |
}
|
|
|
342 |
}
|
|
|
343 |
|
|
|
344 |
WebFXTreeItem.prototype._remove = function() {
|
|
|
345 |
for (var i = this.childNodes.length - 1; i >= 0; i--) {
|
|
|
346 |
this.childNodes[i]._remove();
|
|
|
347 |
}
|
|
|
348 |
for (var i = 0; i < this.parentNode.childNodes.length; i++) {
|
|
|
349 |
if (this.id == this.parentNode.childNodes[i].id) {
|
|
|
350 |
for (var j = i; j < this.parentNode.childNodes.length; j++) {
|
|
|
351 |
this.parentNode.childNodes[i] = this.parentNode.childNodes[i+1]
|
|
|
352 |
}
|
|
|
353 |
this.parentNode.childNodes.length = this.parentNode.childNodes.length - 1;
|
|
|
354 |
if (i + 1 == this.parentNode.childNodes.length) { this.parentNode._last = true; }
|
|
|
355 |
}
|
|
|
356 |
}
|
|
|
357 |
webFXTreeHandler.all[this.id] = null;
|
|
|
358 |
if (document.getElementById(this.id)) {
|
|
|
359 |
document.getElementById(this.id).innerHTML = "";
|
|
|
360 |
document.getElementById(this.id).removeNode();
|
|
|
361 |
}
|
|
|
362 |
}
|
|
|
363 |
|
|
|
364 |
WebFXTreeItem.prototype.expand = function() {
|
|
|
365 |
this.doExpand();
|
|
|
366 |
document.getElementById(this.id + '-plus').src = this.minusIcon;
|
|
|
367 |
}
|
|
|
368 |
|
|
|
369 |
WebFXTreeItem.prototype.collapse = function() {
|
|
|
370 |
this.focus();
|
|
|
371 |
this.doCollapse();
|
|
|
372 |
document.getElementById(this.id + '-plus').src = this.plusIcon;
|
|
|
373 |
}
|
|
|
374 |
|
|
|
375 |
WebFXTreeItem.prototype.getFirst = function() {
|
|
|
376 |
return this.childNodes[0];
|
|
|
377 |
}
|
|
|
378 |
|
|
|
379 |
WebFXTreeItem.prototype.getLast = function() {
|
|
|
380 |
if (this.childNodes[this.childNodes.length - 1].open) { return this.childNodes[this.childNodes.length - 1].getLast(); }
|
|
|
381 |
else { return this.childNodes[this.childNodes.length - 1]; }
|
|
|
382 |
}
|
|
|
383 |
|
|
|
384 |
WebFXTreeItem.prototype.getNextSibling = function() {
|
|
|
385 |
for (var i = 0; i < this.parentNode.childNodes.length; i++) {
|
|
|
386 |
if (this == this.parentNode.childNodes[i]) { break; }
|
|
|
387 |
}
|
|
|
388 |
if (++i == this.parentNode.childNodes.length) { return this.parentNode.getNextSibling(); }
|
|
|
389 |
else { return this.parentNode.childNodes[i]; }
|
|
|
390 |
}
|
|
|
391 |
|
|
|
392 |
WebFXTreeItem.prototype.getPreviousSibling = function(b) {
|
|
|
393 |
for (var i = 0; i < this.parentNode.childNodes.length; i++) {
|
|
|
394 |
if (this == this.parentNode.childNodes[i]) { break; }
|
|
|
395 |
}
|
|
|
396 |
if (i == 0) { return this.parentNode; }
|
|
|
397 |
else {
|
|
|
398 |
if ((this.parentNode.childNodes[--i].open) || (b && this.parentNode.childNodes[i].folder)) { return this.parentNode.childNodes[i].getLast(); }
|
|
|
399 |
else { return this.parentNode.childNodes[i]; }
|
|
|
400 |
} }
|
|
|
401 |
|
|
|
402 |
WebFXTreeItem.prototype.keydown = function(key) {
|
|
|
403 |
if ((key == 39) && (this.folder)) {
|
|
|
404 |
if (!this.open) { this.expand(); return false; }
|
|
|
405 |
else { this.getFirst().select(); return false; }
|
|
|
406 |
}
|
|
|
407 |
else if (key == 37) {
|
|
|
408 |
if (this.open) { this.collapse(); return false; }
|
|
|
409 |
else { this.parentNode.select(); return false; }
|
|
|
410 |
}
|
|
|
411 |
else if (key == 40) {
|
|
|
412 |
if (this.open) { this.getFirst().select(); return false; }
|
|
|
413 |
else {
|
|
|
414 |
var sib = this.getNextSibling();
|
|
|
415 |
if (sib) { sib.select(); return false; }
|
|
|
416 |
} }
|
|
|
417 |
else if (key == 38) { this.getPreviousSibling().select(); return false; }
|
|
|
418 |
return true;
|
|
|
419 |
}
|
|
|
420 |
|
|
|
421 |
WebFXTreeItem.prototype.toString = function (nItem, nItemCount) {
|
|
|
422 |
var foo = this.parentNode;
|
|
|
423 |
var indent = '';
|
|
|
424 |
if (nItem + 1 == nItemCount) { this.parentNode._last = true; }
|
|
|
425 |
var i = 0;
|
|
|
426 |
while (foo.parentNode) {
|
|
|
427 |
foo = foo.parentNode;
|
|
|
428 |
indent = "<img id=\"" + this.id + "-indent-" + i + "\" src=\"" + ((foo._last)?webFXTreeConfig.blankIcon:webFXTreeConfig.iIcon) + "\">" + indent;
|
|
|
429 |
i++;
|
|
|
430 |
}
|
|
|
431 |
this._level = i;
|
|
|
432 |
if (this.childNodes.length) { this.folder = 1; }
|
|
|
433 |
else { this.open = false; }
|
|
|
434 |
if ((this.folder) || (webFXTreeHandler.behavior != 'classic')) {
|
|
|
435 |
if (!this.icon) { this.icon = webFXTreeConfig.folderIcon; }
|
|
|
436 |
if (!this.openIcon) { this.openIcon = webFXTreeConfig.openFolderIcon; }
|
|
|
437 |
}
|
|
|
438 |
else if (!this.icon) { this.icon = webFXTreeConfig.fileIcon; }
|
|
|
439 |
var label = this.text;
|
|
|
440 |
label = label.replace('<', '<');
|
|
|
441 |
label = label.replace('>', '>');
|
|
|
442 |
var str = "<div id=\"" + this.id + "\" ondblclick=\"webFXTreeHandler.toggle(this);\" class=\"webfx-tree-item\" onkeydown=\"return webFXTreeHandler.keydown(this)\">";
|
|
|
443 |
str += indent;
|
|
|
444 |
str += "<img id=\"" + this.id + "-plus\" src=\"" + ((this.folder)?((this.open)?((this.parentNode._last)?webFXTreeConfig.lMinusIcon:webFXTreeConfig.tMinusIcon):((this.parentNode._last)?webFXTreeConfig.lPlusIcon:webFXTreeConfig.tPlusIcon)):((this.parentNode._last)?webFXTreeConfig.lIcon:webFXTreeConfig.tIcon)) + "\" onclick=\"webFXTreeHandler.toggle(this);\">"
|
|
|
445 |
str += "<img id=\"" + this.id + "-icon\" src=\"" + ((webFXTreeHandler.behavior == 'classic' && this.open)?this.openIcon:this.icon) + "\" onclick=\"webFXTreeHandler.select(this);\"><a href=\"" + this.action + "\" id=\"" + this.id + "-anchor\" target=\"" + this.targetWindow + "\" onfocus=\"webFXTreeHandler.focus(this);\" onblur=\"webFXTreeHandler.blur(this);\">" + label + "</a></div>";
|
|
|
446 |
str += "<div id=\"" + this.id + "-cont\" class=\"webfx-tree-container\" style=\"display: " + ((this.open)?'block':'none') + ";\">";
|
|
|
447 |
for (var i = 0; i < this.childNodes.length; i++) {
|
|
|
448 |
str += this.childNodes[i].toString(i,this.childNodes.length);
|
|
|
449 |
}
|
|
|
450 |
str += "</div>";
|
|
|
451 |
this.plusIcon = ((this.parentNode._last)?webFXTreeConfig.lPlusIcon:webFXTreeConfig.tPlusIcon);
|
|
|
452 |
this.minusIcon = ((this.parentNode._last)?webFXTreeConfig.lMinusIcon:webFXTreeConfig.tMinusIcon);
|
|
|
453 |
return str;
|
|
|
454 |
}
|