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/*--------------------------------------------------| |
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| dTree 2.05 | www.destroydrop.com/javascript/tree/ | |
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|---------------------------------------------------| |
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| Copyright (c) 2002-2003 Geir Landr<EFBFBD> | |
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| | |
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| This script can be used freely as long as all | |
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| copyright messages are intact. | |
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| Updated: 17.04.2003 | |
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|--------------------------------------------------*/ |
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// Node object
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function Node(id, pid, name, url, title, target, icon, iconOpen, open) { |
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this.id = id; |
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this.pid = pid; |
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this.name = name; |
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this.url = url; |
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this.title = title; |
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this.target = target; |
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this.icon = icon; |
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this.iconOpen = iconOpen; |
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this._io = open || true; |
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this._is = false; |
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this._ls = false; |
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this._hc = false; |
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this._ai = 0; |
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this._p; |
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}; |
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// Tree object
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function dTree(objName) { |
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this.config = { |
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target : null, |
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folderLinks : true, |
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useSelection : true, |
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useCookies : true, |
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useLines : true, |
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useIcons : true, |
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useStatusText : false, |
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closeSameLevel : false, |
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inOrder : false |
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} |
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this.icon = { |
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root : '../img/icons/22/learnpath.png', |
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folder : '../img/folder.gif', |
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folderOpen : '../img/folderopen.gif', |
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node : '../img/page.gif', |
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empty : '../img/empty2.gif', |
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line : '../img/line.gif', |
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join : '../img/join.gif', |
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joinBottom : '../img/joinbottom.gif', |
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plus : '../img/plus.gif', |
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plusBottom : '../img/plusbottom.gif', |
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minus : '../img/minus.gif', |
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minusBottom : '../img/minusbottom.gif', |
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nlPlus : '../img/nolines_plus.gif', |
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nlMinus : '../img/nolines_minus.gif' |
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}; |
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this.obj = objName; |
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this.aNodes = []; |
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this.aIndent = []; |
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this.root = new Node(-1); |
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this.selectedNode = null; |
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this.selectedFound = false; |
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this.completed = false; |
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}; |
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// Adds a new node to the node array
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dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) { |
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this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open); |
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}; |
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// Open/close all nodes
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dTree.prototype.openAll = function() { |
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this.oAll(true); |
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}; |
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dTree.prototype.closeAll = function() { |
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this.oAll(false); |
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}; |
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// Outputs the tree to the page
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dTree.prototype.toString = function() { |
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var str = '<div class="dtree">\n'; |
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if (document.getElementById) { |
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if (this.config.useCookies) this.selectedNode = this.getSelected(); |
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str += this.addNode(this.root); |
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} else str += 'Browser not supported.'; |
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str += '</div>'; |
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if (!this.selectedFound) this.selectedNode = null; |
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this.completed = true; |
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return str; |
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}; |
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// Creates the tree structure
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dTree.prototype.addNode = function(pNode) { |
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var str = ''; |
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var n=0; |
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if (this.config.inOrder) n = pNode._ai; |
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for (n; n<this.aNodes.length; n++) { |
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if (this.aNodes[n].pid == pNode.id) { |
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var cn = this.aNodes[n]; |
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cn._p = pNode; |
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cn._ai = n; |
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this.setCS(cn); |
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if (!cn.target && this.config.target) cn.target = this.config.target; |
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if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id); |
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if (!this.config.folderLinks && cn._hc) cn.url = null; |
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if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) { |
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cn._is = true; |
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this.selectedNode = n; |
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this.selectedFound = true; |
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} |
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str += this.node(cn, n); |
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if (cn._ls) break; |
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} |
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} |
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return str; |
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}; |
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// Creates the node icon, url and text
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dTree.prototype.node = function(node, nodeId) { |
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var str = '<div class="dTreeNode">' + this.indent(node, nodeId); |
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if (this.config.useIcons) { |
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if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node); |
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if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node; |
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if (this.root.id == node.pid) { |
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node.icon = this.icon.root; |
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node.iconOpen = this.icon.root; |
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} |
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str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />'; |
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} |
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if (node.url) { |
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str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"'; |
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if (node.title) str += ' title="' + node.title + '"'; |
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if (node.target) str += ' target="' + node.target + '"'; |
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if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" '; |
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if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc)) |
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str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"'; |
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str += '>'; |
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} |
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else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id) |
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str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">'; |
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str += node.name; |
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if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>'; |
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str += '</div>'; |
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if (node._hc) { |
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str += '<div id="d' + this.obj + nodeId + '" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'block') + ';">'; |
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str += this.addNode(node); |
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str += '</div>'; |
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} |
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this.aIndent.pop(); |
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return str; |
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}; |
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// Adds the empty and line icons
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dTree.prototype.indent = function(node, nodeId) { |
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var str = ''; |
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if (this.root.id != node.pid) { |
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for (var n=0; n<this.aIndent.length; n++) |
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str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />'; |
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(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1); |
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if (node._hc) { |
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str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="'; |
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if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus; |
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else str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.config.useLines) ? this.icon.plusBottom : this.icon.plus ) ); |
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str += '" alt="" /></a>'; |
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} else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />'; |
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} |
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return str; |
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}; |
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// Checks if a node has any children and if it is the last sibling
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dTree.prototype.setCS = function(node) { |
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var lastId; |
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for (var n=0; n<this.aNodes.length; n++) { |
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if (this.aNodes[n].pid == node.id) node._hc = true; |
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if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id; |
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} |
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if (lastId==node.id) node._ls = true; |
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}; |
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// Returns the selected node
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dTree.prototype.getSelected = function() { |
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var sn = this.getCookie('cs' + this.obj); |
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return (sn) ? sn : null; |
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}; |
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// Highlights the selected node
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dTree.prototype.s = function(id) { |
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if (!this.config.useSelection) return; |
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var cn = this.aNodes[id]; |
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// Added by Ivan Tcholakov to prevent javascript error when the tree is empty.
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if (!cn) return; |
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if (cn._hc && !this.config.folderLinks) return; |
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if (this.selectedNode != id) { |
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if (this.selectedNode || this.selectedNode==0) { |
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eOld = document.getElementById("s" + this.obj + this.selectedNode); |
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eOld.className = "node"; |
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} |
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eNew = document.getElementById("s" + this.obj + id); |
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eNew.className = "nodeSel"; |
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this.selectedNode = id; |
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if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id); |
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} |
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}; |
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// Toggle Open or close
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dTree.prototype.o = function(id) { |
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var cn = this.aNodes[id]; |
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this.nodeStatus(!cn._io, id, cn._ls); |
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cn._io = !cn._io; |
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if (this.config.closeSameLevel) this.closeLevel(cn); |
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if (this.config.useCookies) this.updateCookie(); |
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}; |
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// Open or close all nodes
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dTree.prototype.oAll = function(status) { |
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for (var n=0; n<this.aNodes.length; n++) { |
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if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) { |
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this.nodeStatus(status, n, this.aNodes[n]._ls) |
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this.aNodes[n]._io = status; |
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} |
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} |
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if (this.config.useCookies) this.updateCookie(); |
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}; |
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// Opens the tree to a specific node
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dTree.prototype.openTo = function(nId, bSelect, bFirst) { |
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if (!bFirst) { |
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for (var n=0; n<this.aNodes.length; n++) { |
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if (this.aNodes[n].id == nId) { |
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nId=n; |
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break; |
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} |
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} |
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} |
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var cn=this.aNodes[nId]; |
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if (cn.pid==this.root.id || !cn._p) return; |
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cn._io = true; |
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cn._is = bSelect; |
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if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls); |
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|
if (this.completed && bSelect) this.s(cn._ai); |
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else if (bSelect) this._sn=cn._ai; |
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this.openTo(cn._p._ai, false, true); |
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}; |
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// Closes all nodes on the same level as certain node
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dTree.prototype.closeLevel = function(node) { |
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|
for (var n=0; n<this.aNodes.length; n++) { |
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if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) { |
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|
this.nodeStatus(false, n, this.aNodes[n]._ls); |
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|
this.aNodes[n]._io = false; |
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this.closeAllChildren(this.aNodes[n]); |
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} |
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} |
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} |
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// Closes all children of a node
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|
dTree.prototype.closeAllChildren = function(node) { |
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|
for (var n=0; n<this.aNodes.length; n++) { |
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|
if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) { |
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|
|
if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls); |
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|
|
this.aNodes[n]._io = false; |
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|
|
this.closeAllChildren(this.aNodes[n]); |
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|
} |
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|
} |
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|
} |
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|
|
// Change the status of a node(open or closed)
|
|
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|
|
dTree.prototype.nodeStatus = function(status, id, bottom) { |
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|
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|
|
eDiv = document.getElementById('d' + this.obj + id); |
|
|
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|
|
eJoin = document.getElementById('j' + this.obj + id); |
|
|
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|
|
|
|
|
if (this.config.useIcons) { |
|
|
|
|
|
|
|
|
|
eIcon = document.getElementById('i' + this.obj + id); |
|
|
|
|
|
|
|
|
|
eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon; |
|
|
|
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|
|
|
|
} |
|
|
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|
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|
|
eJoin.src = (this.config.useLines)? |
|
|
|
|
|
|
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|
|
((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)): |
|
|
|
|
|
|
|
|
|
((status)?this.icon.nlMinus:this.icon.nlPlus); |
|
|
|
|
|
|
|
|
|
eDiv.style.display = (status) ? 'block': 'none'; |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
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|
|
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|
|
|
|
// [Cookie] Clears a cookie
|
|
|
|
|
|
|
|
|
|
dTree.prototype.clearCookie = function() { |
|
|
|
|
|
|
|
|
|
var now = new Date(); |
|
|
|
|
|
|
|
|
|
var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24); |
|
|
|
|
|
|
|
|
|
this.setCookie('co'+this.obj, 'cookieValue', yesterday); |
|
|
|
|
|
|
|
|
|
this.setCookie('cs'+this.obj, 'cookieValue', yesterday); |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// [Cookie] Sets value in a cookie
|
|
|
|
|
|
|
|
|
|
dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) { |
|
|
|
|
|
|
|
|
|
document.cookie = |
|
|
|
|
|
|
|
|
|
escape(cookieName) + '=' + escape(cookieValue) |
|
|
|
|
|
|
|
|
|
+ (expires ? '; expires=' + expires.toGMTString() : '') |
|
|
|
|
|
|
|
|
|
+ (path ? '; path=' + path : '') |
|
|
|
|
|
|
|
|
|
+ (domain ? '; domain=' + domain : '') |
|
|
|
|
|
|
|
|
|
+ (secure ? '; secure' : ''); |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// [Cookie] Gets a value from a cookie
|
|
|
|
|
|
|
|
|
|
dTree.prototype.getCookie = function(cookieName) { |
|
|
|
|
|
|
|
|
|
var cookieValue = ''; |
|
|
|
|
|
|
|
|
|
var posName = document.cookie.indexOf(escape(cookieName) + '='); |
|
|
|
|
|
|
|
|
|
if (posName != -1) { |
|
|
|
|
|
|
|
|
|
var posValue = posName + (escape(cookieName) + '=').length; |
|
|
|
|
|
|
|
|
|
var endPos = document.cookie.indexOf(';', posValue); |
|
|
|
|
|
|
|
|
|
if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos)); |
|
|
|
|
|
|
|
|
|
else cookieValue = unescape(document.cookie.substring(posValue)); |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
return (cookieValue); |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// [Cookie] Returns ids of open nodes as a string
|
|
|
|
|
|
|
|
|
|
dTree.prototype.updateCookie = function() { |
|
|
|
|
|
|
|
|
|
var str = ''; |
|
|
|
|
|
|
|
|
|
for (var n=0; n<this.aNodes.length; n++) { |
|
|
|
|
|
|
|
|
|
if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) { |
|
|
|
|
|
|
|
|
|
if (str) str += '.'; |
|
|
|
|
|
|
|
|
|
str += this.aNodes[n].id; |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
this.setCookie('co' + this.obj, str); |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// [Cookie] Checks if a node id is in a cookie
|
|
|
|
|
|
|
|
|
|
dTree.prototype.isOpen = function(id) { |
|
|
|
|
|
|
|
|
|
var aOpen = this.getCookie('co' + this.obj).split('.'); |
|
|
|
|
|
|
|
|
|
for (var n=0; n<aOpen.length; n++) |
|
|
|
|
|
|
|
|
|
if (aOpen[n] == id) return true; |
|
|
|
|
|
|
|
|
|
return false; |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// If Push and pop is not implemented by the browser
|
|
|
|
|
|
|
|
|
|
if (!Array.prototype.push) { |
|
|
|
|
|
|
|
|
|
Array.prototype.push = function array_push() { |
|
|
|
|
|
|
|
|
|
for(var i=0;i<arguments.length;i++) |
|
|
|
|
|
|
|
|
|
this[this.length]=arguments[i]; |
|
|
|
|
|
|
|
|
|
return this.length; |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
if (!Array.prototype.pop) { |
|
|
|
|
|
|
|
|
|
Array.prototype.pop = function array_pop() { |
|
|
|
|
|
|
|
|
|
lastElement = this[this.length-1]; |
|
|
|
|
|
|
|
|
|
this.length = Math.max(this.length-1,0); |
|
|
|
|
|
|
|
|
|
return lastElement; |
|
|
|
|
|
|
|
|
|
} |
|
|
|
|
|
|
|
|
|
}; |
|
|
|
|
|
|
|
|
|
function testResources(id,img){ |
|
|
|
|
if(document.getElementById(id).style.display=='block'){ |
|
|
|
|
document.getElementById(id).style.display='none'; |
|
|
|
|
document.getElementById("img_"+id).src='../img/nolines_plus.gif'; |
|
|
|
|
} |
|
|
|
|
else{ |
|
|
|
|
document.getElementById(id).style.display='block'; |
|
|
|
|
document.getElementById("img_"+id).src='../img/nolines_minus.gif'; |
|
|
|
|
} |
|
|
|
|
} |
Julio Montoya
15 years ago