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- /*----------------------------------------\
- | Cross Browser Tree Widget 1.1 |
- |-----------------------------------------|
- | Created by Emil A. Eklund (eae@eae.net) |
- | For WebFX (http://webfx.eae.net/) |
- |-----------------------------------------|
- | This script is provided as is without |
- | any warranty whatsoever. It may be used |
- | free of charge for non commerical sites |
- | For commerical use contact the author |
- | of this script for further details. |
- |-----------------------------------------|
- | Created 2000-12-11 | Updated 2001-09-06 |
- \----------------------------------------*/
- var webFXTreeConfig = {
- rootIcon : 'media/images/empty.png',
- openRootIcon : 'media/images/empty.png',
- folderIcon : 'media/images/empty.png',
- openFolderIcon : 'media/images/empty.png',
- fileIcon : 'media/images/empty.png',
- iIcon : 'media/images/I.png',
- lIcon : 'media/images/L.png',
- lMinusIcon : 'media/images/Lminus.png',
- lPlusIcon : 'media/images/Lplus.png',
- tIcon : 'media/images/T.png',
- tMinusIcon : 'media/images/Tminus.png',
- tPlusIcon : 'media/images/Tplus.png',
- blankIcon : 'media/images/blank.png',
- defaultText : 'Tree Item',
- defaultAction : 'javascript:void(0);',
- defaultTarget : 'right',
- defaultBehavior : 'classic'
- };
- var webFXTreeHandler = {
- idCounter : 0,
- idPrefix : "webfx-tree-object-",
- all : {},
- behavior : null,
- selected : null,
- getId : function() { return this.idPrefix + this.idCounter++; },
- toggle : function (oItem) { this.all[oItem.id.replace('-plus','')].toggle(); },
- select : function (oItem) { this.all[oItem.id.replace('-icon','')].select(); },
- focus : function (oItem) { this.all[oItem.id.replace('-anchor','')].focus(); },
- blur : function (oItem) { this.all[oItem.id.replace('-anchor','')].blur(); },
- keydown : function (oItem) { return this.all[oItem.id].keydown(window.event.keyCode); },
- cookies : new WebFXCookie()
- };
- /*
- * WebFXCookie class
- */
- function WebFXCookie() {
- if (document.cookie.length) { this.cookies = ' ' + document.cookie; }
- }
- WebFXCookie.prototype.setCookie = function (key, value) {
- document.cookie = key + "=" + escape(value);
- }
- WebFXCookie.prototype.getCookie = function (key) {
- if (this.cookies) {
- var start = this.cookies.indexOf(' ' + key + '=');
- if (start == -1) { return null; }
- var end = this.cookies.indexOf(";", start);
- if (end == -1) { end = this.cookies.length; }
- end -= start;
- var cookie = this.cookies.substr(start,end);
- return unescape(cookie.substr(cookie.indexOf('=') + 1, cookie.length - cookie.indexOf('=') + 1));
- }
- else { return null; }
- }
- /*
- * WebFXTreeAbstractNode class
- */
- function WebFXTreeAbstractNode(sText, sAction, sTarget) {
- this.childNodes = [];
- this.id = webFXTreeHandler.getId();
- this.text = sText || webFXTreeConfig.defaultText;
- this.action = sAction || webFXTreeConfig.defaultAction;
- this.targetWindow = sTarget || webFXTreeConfig.defaultTarget;
- this._last = false;
- webFXTreeHandler.all[this.id] = this;
- }
- WebFXTreeAbstractNode.prototype.add = function (node) {
- node.parentNode = this;
- this.childNodes[this.childNodes.length] = node;
- var root = this;
- if (this.childNodes.length >=2) {
- this.childNodes[this.childNodes.length -2]._last = false;
- }
- while (root.parentNode) { root = root.parentNode; }
- if (root.rendered) {
- if (this.childNodes.length >= 2) {
- document.getElementById(this.childNodes[this.childNodes.length -2].id + '-plus').src = ((this.childNodes[this.childNodes.length -2].folder)?webFXTreeConfig.tMinusIcon:webFXTreeConfig.tIcon);
- if (this.childNodes[this.childNodes.length -2].folder) {
- this.childNodes[this.childNodes.length -2].plusIcon = webFXTreeConfig.tPlusIcon;
- this.childNodes[this.childNodes.length -2].minusIcon = webFXTreeConfig.tMinusIcon;
- }
- this.childNodes[this.childNodes.length -2]._last = false;
- }
- this._last = true;
- var foo = this;
- while (foo.parentNode) {
- for (var i = 0; i < foo.parentNode.childNodes.length; i++) {
- if (foo.id == foo.parentNode.childNodes[i].id) { break; }
- }
- if (++i == foo.parentNode.childNodes.length) { foo.parentNode._last = true; }
- else { foo.parentNode._last = false; }
- foo = foo.parentNode;
- }
- document.getElementById(this.id + '-cont').insertAdjacentHTML("beforeEnd", node.toString());
- if ((!this.folder) && (!this.openIcon)) {
- this.icon = webFXTreeConfig.folderIcon;
- this.openIcon = webFXTreeConfig.openFolderIcon;
- }
- this.folder = true;
- this.indent();
- this.expand();
- }
- return node;
- }
- WebFXTreeAbstractNode.prototype.toggle = function() {
- if (this.folder) {
- if (this.open) { this.collapse(); }
- else { this.expand(); }
- }
- }
- WebFXTreeAbstractNode.prototype.select = function() {
- document.getElementById(this.id + '-anchor').focus();
- }
- WebFXTreeAbstractNode.prototype.focus = function() {
- webFXTreeHandler.selected = this;
- if ((this.openIcon) && (webFXTreeHandler.behavior != 'classic')) { document.getElementById(this.id + '-icon').src = this.openIcon; }
- document.getElementById(this.id + '-anchor').style.backgroundColor = 'highlight';
- document.getElementById(this.id + '-anchor').style.color = 'highlighttext';
- document.getElementById(this.id + '-anchor').focus();
- }
- WebFXTreeAbstractNode.prototype.blur = function() {
- if ((this.openIcon) && (webFXTreeHandler.behavior != 'classic')) { document.getElementById(this.id + '-icon').src = this.icon; }
- document.getElementById(this.id + '-anchor').style.backgroundColor = 'transparent';
- document.getElementById(this.id + '-anchor').style.color = 'menutext';
- }
- WebFXTreeAbstractNode.prototype.doExpand = function() {
- if (webFXTreeHandler.behavior == 'classic') { document.getElementById(this.id + '-icon').src = this.openIcon; }
- if (this.childNodes.length) { document.getElementById(this.id + '-cont').style.display = 'block'; }
- this.open = true;
- webFXTreeHandler.cookies.setCookie(this.id.substr(18,this.id.length - 18), '1');
- }
- WebFXTreeAbstractNode.prototype.doCollapse = function() {
- if (webFXTreeHandler.behavior == 'classic') { document.getElementById(this.id + '-icon').src = this.icon; }
- if (this.childNodes.length) { document.getElementById(this.id + '-cont').style.display = 'none'; }
- this.open = false;
- webFXTreeHandler.cookies.setCookie(this.id.substr(18,this.id.length - 18), '0');
- }
- WebFXTreeAbstractNode.prototype.expandAll = function() {
- this.expandChildren();
- if ((this.folder) && (!this.open)) { this.expand(); }
- }
- WebFXTreeAbstractNode.prototype.expandChildren = function() {
- for (var i = 0; i < this.childNodes.length; i++) {
- this.childNodes[i].expandAll();
- } }
- WebFXTreeAbstractNode.prototype.collapseAll = function() {
- if ((this.folder) && (this.open)) { this.collapse(); }
- this.collapseChildren();
- }
- WebFXTreeAbstractNode.prototype.collapseChildren = function() {
- for (var i = 0; i < this.childNodes.length; i++) {
- this.childNodes[i].collapseAll();
- } }
- WebFXTreeAbstractNode.prototype.indent = function(lvl, del, last, level) {
- /*
- * Since we only want to modify items one level below ourself,
- * and since the rightmost indentation position is occupied by
- * the plus icon we set this to -2
- */
- if (lvl == null) { lvl = -2; }
- var state = 0;
- for (var i = this.childNodes.length - 1; i >= 0 ; i--) {
- state = this.childNodes[i].indent(lvl + 1, del, last, level);
- if (state) { return; }
- }
- if (del) {
- if (level >= this._level) {
- if (this.folder) {
- document.getElementById(this.id + '-plus').src = (this.open)?webFXTreeConfig.lMinusIcon:webFXTreeConfig.lPlusIcon;
- this.plusIcon = webFXTreeConfig.lPlusIcon;
- this.minusIcon = webFXTreeConfig.lMinusIcon;
- }
- else { document.getElementById(this.id + '-plus').src = webFXTreeConfig.lIcon; }
- return 1;
- }
- }
- var foo = document.getElementById(this.id + '-indent-' + lvl);
- if (foo) {
- if ((del) && (last)) { foo._last = true; }
- if (foo._last) { foo.src = webFXTreeConfig.blankIcon; }
- else { foo.src = webFXTreeConfig.iIcon; }
- }
- return 0;
- }
- /*
- * WebFXTree class
- */
- function WebFXTree(sText, sAction, sBehavior, sIcon, sOpenIcon) {
- this.base = WebFXTreeAbstractNode;
- this.base(sText, sAction);
- this.icon = sIcon || webFXTreeConfig.rootIcon;
- this.openIcon = sOpenIcon || webFXTreeConfig.openRootIcon;
- /* Defaults to open */
- this.open = (webFXTreeHandler.cookies.getCookie(this.id.substr(18,this.id.length - 18)) == '0')?false:true;
- this.folder = true;
- this.rendered = false;
- if (!webFXTreeHandler.behavior) { webFXTreeHandler.behavior = sBehavior || webFXTreeConfig.defaultBehavior; }
- this.targetWindow = 'right';
- }
- WebFXTree.prototype = new WebFXTreeAbstractNode;
- WebFXTree.prototype.setBehavior = function (sBehavior) {
- webFXTreeHandler.behavior = sBehavior;
- };
- WebFXTree.prototype.getBehavior = function (sBehavior) {
- return webFXTreeHandler.behavior;
- };
- WebFXTree.prototype.getSelected = function() {
- if (webFXTreeHandler.selected) { return webFXTreeHandler.selected; }
- else { return null; }
- }
- WebFXTree.prototype.remove = function() { }
- WebFXTree.prototype.expand = function() {
- this.doExpand();
- }
- WebFXTree.prototype.collapse = function() {
- this.focus();
- this.doCollapse();
- }
- WebFXTree.prototype.getFirst = function() {
- return null;
- }
- WebFXTree.prototype.getLast = function() {
- return null;
- }
- WebFXTree.prototype.getNextSibling = function() {
- return null;
- }
- WebFXTree.prototype.getPreviousSibling = function() {
- return null;
- }
- WebFXTree.prototype.keydown = function(key) {
- if (key == 39) { this.expand(); return false; }
- if (key == 37) { this.collapse(); return false; }
- if ((key == 40) && (this.open)) { this.childNodes[0].select(); return false; }
- return true;
- }
- WebFXTree.prototype.toString = function() {
- var str = "<div id=\"" + this.id + "\" ondblclick=\"webFXTreeHandler.toggle(this);\" class=\"webfx-tree-item\" onkeydown=\"return webFXTreeHandler.keydown(this)\">";
- 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>";
- str += "<div id=\"" + this.id + "-cont\" class=\"webfx-tree-container\" style=\"display: " + ((this.open)?'block':'none') + ";\">";
- for (var i = 0; i < this.childNodes.length; i++) {
- str += this.childNodes[i].toString(i, this.childNodes.length);
- }
- str += "</div>";
- this.rendered = true;
- return str;
- };
- /*
- * WebFXTreeItem class
- */
- function WebFXTreeItem(sText, sAction, eParent, sIcon, sOpenIcon) {
- this.base = WebFXTreeAbstractNode;
- this.base(sText, sAction);
- /* Defaults to close */
- this.open = (webFXTreeHandler.cookies.getCookie(this.id.substr(18,this.id.length - 18)) == '1')?true:false;
- if (eParent) { eParent.add(this); }
- if (sIcon) { this.icon = sIcon; }
- if (sOpenIcon) { this.openIcon = sOpenIcon; }
- }
- WebFXTreeItem.prototype = new WebFXTreeAbstractNode;
- WebFXTreeItem.prototype.remove = function() {
- var parentNode = this.parentNode;
- var prevSibling = this.getPreviousSibling(true);
- var nextSibling = this.getNextSibling(true);
- var folder = this.parentNode.folder;
- var last = ((nextSibling) && (nextSibling.parentNode) && (nextSibling.parentNode.id == parentNode.id))?false:true;
- this.getPreviousSibling().focus();
- this._remove();
- if (parentNode.childNodes.length == 0) {
- parentNode.folder = false;
- parentNode.open = false;
- }
- if (last) {
- if (parentNode.id == prevSibling.id) {
- document.getElementById(parentNode.id + '-icon').src = webFXTreeConfig.fileIcon;
- }
- else { }
- }
- if ((!prevSibling.parentNode) || (prevSibling.parentNode != parentNode)) {
- parentNode.indent(null, true, last, this._level);
- }
- if (document.getElementById(prevSibling.id + '-plus')) {
- if (nextSibling) {
- if ((parentNode == prevSibling) && (parentNode.getNextSibling)) { document.getElementById(prevSibling.id + '-plus').src = webFXTreeConfig.tIcon; }
- else if (nextSibling.parentNode != prevSibling) { document.getElementById(prevSibling.id + '-plus').src = webFXTreeConfig.lIcon; }
- }
- else { document.getElementById(prevSibling.id + '-plus').src = webFXTreeConfig.lIcon; }
- }
- }
- WebFXTreeItem.prototype._remove = function() {
- for (var i = this.childNodes.length - 1; i >= 0; i--) {
- this.childNodes[i]._remove();
- }
- for (var i = 0; i < this.parentNode.childNodes.length; i++) {
- if (this.id == this.parentNode.childNodes[i].id) {
- for (var j = i; j < this.parentNode.childNodes.length; j++) {
- this.parentNode.childNodes[i] = this.parentNode.childNodes[i+1]
- }
- this.parentNode.childNodes.length = this.parentNode.childNodes.length - 1;
- if (i + 1 == this.parentNode.childNodes.length) { this.parentNode._last = true; }
- }
- }
- webFXTreeHandler.all[this.id] = null;
- if (document.getElementById(this.id)) {
- document.getElementById(this.id).innerHTML = "";
- document.getElementById(this.id).removeNode();
- }
- }
- WebFXTreeItem.prototype.expand = function() {
- this.doExpand();
- document.getElementById(this.id + '-plus').src = this.minusIcon;
- }
- WebFXTreeItem.prototype.collapse = function() {
- this.focus();
- this.doCollapse();
- document.getElementById(this.id + '-plus').src = this.plusIcon;
- }
- WebFXTreeItem.prototype.getFirst = function() {
- return this.childNodes[0];
- }
- WebFXTreeItem.prototype.getLast = function() {
- if (this.childNodes[this.childNodes.length - 1].open) { return this.childNodes[this.childNodes.length - 1].getLast(); }
- else { return this.childNodes[this.childNodes.length - 1]; }
- }
- WebFXTreeItem.prototype.getNextSibling = function() {
- for (var i = 0; i < this.parentNode.childNodes.length; i++) {
- if (this == this.parentNode.childNodes[i]) { break; }
- }
- if (++i == this.parentNode.childNodes.length) { return this.parentNode.getNextSibling(); }
- else { return this.parentNode.childNodes[i]; }
- }
- WebFXTreeItem.prototype.getPreviousSibling = function(b) {
- for (var i = 0; i < this.parentNode.childNodes.length; i++) {
- if (this == this.parentNode.childNodes[i]) { break; }
- }
- if (i == 0) { return this.parentNode; }
- else {
- if ((this.parentNode.childNodes[--i].open) || (b && this.parentNode.childNodes[i].folder)) { return this.parentNode.childNodes[i].getLast(); }
- else { return this.parentNode.childNodes[i]; }
- } }
- WebFXTreeItem.prototype.keydown = function(key) {
- if ((key == 39) && (this.folder)) {
- if (!this.open) { this.expand(); return false; }
- else { this.getFirst().select(); return false; }
- }
- else if (key == 37) {
- if (this.open) { this.collapse(); return false; }
- else { this.parentNode.select(); return false; }
- }
- else if (key == 40) {
- if (this.open) { this.getFirst().select(); return false; }
- else {
- var sib = this.getNextSibling();
- if (sib) { sib.select(); return false; }
- } }
- else if (key == 38) { this.getPreviousSibling().select(); return false; }
- return true;
- }
- WebFXTreeItem.prototype.toString = function (nItem, nItemCount) {
- var foo = this.parentNode;
- var indent = '';
- if (nItem + 1 == nItemCount) { this.parentNode._last = true; }
- var i = 0;
- while (foo.parentNode) {
- foo = foo.parentNode;
- indent = "<img id=\"" + this.id + "-indent-" + i + "\" src=\"" + ((foo._last)?webFXTreeConfig.blankIcon:webFXTreeConfig.iIcon) + "\">" + indent;
- i++;
- }
- this._level = i;
- if (this.childNodes.length) { this.folder = 1; }
- else { this.open = false; }
- if ((this.folder) || (webFXTreeHandler.behavior != 'classic')) {
- if (!this.icon) { this.icon = webFXTreeConfig.folderIcon; }
- if (!this.openIcon) { this.openIcon = webFXTreeConfig.openFolderIcon; }
- }
- else if (!this.icon) { this.icon = webFXTreeConfig.fileIcon; }
- var label = this.text;
- label = label.replace('<', '<');
- label = label.replace('>', '>');
- var str = "<div id=\"" + this.id + "\" ondblclick=\"webFXTreeHandler.toggle(this);\" class=\"webfx-tree-item\" onkeydown=\"return webFXTreeHandler.keydown(this)\">";
- str += indent;
- 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);\">"
- 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>";
- str += "<div id=\"" + this.id + "-cont\" class=\"webfx-tree-container\" style=\"display: " + ((this.open)?'block':'none') + ";\">";
- for (var i = 0; i < this.childNodes.length; i++) {
- str += this.childNodes[i].toString(i,this.childNodes.length);
- }
- str += "</div>";
- this.plusIcon = ((this.parentNode._last)?webFXTreeConfig.lPlusIcon:webFXTreeConfig.tPlusIcon);
- this.minusIcon = ((this.parentNode._last)?webFXTreeConfig.lMinusIcon:webFXTreeConfig.tMinusIcon);
- return str;
- }
|