613 lines
13 KiB
Plaintext
613 lines
13 KiB
Plaintext
// 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 || false;
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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/base.gif",
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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/empty.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 (
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id,
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pid,
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name,
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url,
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title,
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target,
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icon,
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iconOpen,
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open
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) {
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this.aNodes[this.aNodes.length] = new Node(
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id,
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pid,
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name,
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url,
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title,
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target,
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icon,
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iconOpen,
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open
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);
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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)
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cn._io = this.isOpen(cn.id);
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if (!this.config.folderLinks && cn._hc) cn.url = null;
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if (
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this.config.useSelection &&
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cn.id == this.selectedNode &&
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!this.selectedFound
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) {
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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)
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node.icon =
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this.root.id == node.pid
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? this.icon.root
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: node._hc
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? this.icon.folder
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: this.icon.node;
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if (!node.iconOpen)
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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 +=
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'<img id="i' +
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this.obj +
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nodeId +
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'" src="' +
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(node._io ? node.iconOpen : node.icon) +
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'" alt="" />';
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}
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if (node.url) {
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str +=
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'<a id="s' +
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this.obj +
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nodeId +
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'" class="' +
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(this.config.useSelection ? (node._is ? "nodeSel" : "node") : "node") +
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'" target="body" href="' +
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node.url +
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'"';
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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)
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str +=
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" onmouseover=\"window.status='" +
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node.name +
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"';return true;\" onmouseout=\"window.status='';return true;\" ";
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if (
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this.config.useSelection &&
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((node._hc && this.config.folderLinks) || !node._hc)
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)
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str += ' onclick="javascript: ' + this.obj + ".s(" + nodeId + ');"';
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str += ">";
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} else if (
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(!this.config.folderLinks || !node.url) &&
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node._hc &&
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node.pid != this.root.id
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)
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str +=
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'<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))
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str += "</a>";
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str += "</div>";
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if (node._hc) {
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str +=
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'<div id="d' +
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this.obj +
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nodeId +
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'" class="clip" style="display:' +
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(this.root.id == node.pid || node._io ? "block" : "none") +
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';">';
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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 +=
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'<img src="' +
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(this.aIndent[n] == 1 && this.config.useLines
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? this.icon.line
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: this.icon.empty) +
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'" 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 +=
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'<a href="javascript: ' +
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this.obj +
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".o(" +
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nodeId +
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');"><img id="j' +
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this.obj +
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nodeId +
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'" src="';
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if (!this.config.useLines)
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str += node._io ? this.icon.nlMinus : this.icon.nlPlus;
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else
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str += node._io
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? node._ls && this.config.useLines
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? this.icon.minusBottom
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: this.icon.minus
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: node._ls && this.config.useLines
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? this.icon.plusBottom
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: this.icon.plus;
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str += '" alt="" /></a>';
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} else
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str +=
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'<img src="' +
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(this.config.useLines
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? node._ls
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? this.icon.joinBottom
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: this.icon.join
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: this.icon.empty) +
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'" 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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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 (
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this.aNodes[n].pid == node.pid &&
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this.aNodes[n].id != node.id &&
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this.aNodes[n]._hc
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) {
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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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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) {
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eIcon = document.getElementById("i" + this.obj + id);
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eIcon.src = status ? this.aNodes[id].iconOpen : this.aNodes[id].icon;
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}
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eJoin.src = this.config.useLines
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? status
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? bottom
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? this.icon.minusBottom
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: this.icon.minus
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: bottom
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? this.icon.plusBottom
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: this.icon.plus
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: status
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? this.icon.nlMinus
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: this.icon.nlPlus;
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eDiv.style.display = status ? "block" : "none";
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};
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// [Cookie] Clears a cookie
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dTree.prototype.clearCookie = function () {
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var now = new Date();
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var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
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this.setCookie("co" + this.obj, "cookieValue", yesterday);
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this.setCookie("cs" + this.obj, "cookieValue", yesterday);
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};
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// [Cookie] Sets value in a cookie
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dTree.prototype.setCookie = function (
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cookieName,
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cookieValue,
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expires,
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path,
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domain,
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secure
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) {
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document.cookie =
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escape(cookieName) +
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"=" +
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escape(cookieValue) +
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(expires ? "; expires=" + expires.toGMTString() : "") +
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(path ? "; path=" + path : "") +
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(domain ? "; domain=" + domain : "") +
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(secure ? "; secure" : "");
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};
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// [Cookie] Gets a value from a cookie
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dTree.prototype.getCookie = function (cookieName) {
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var cookieValue = "";
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var posName = document.cookie.indexOf(escape(cookieName) + "=");
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if (posName != -1) {
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var posValue = posName + (escape(cookieName) + "=").length;
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var endPos = document.cookie.indexOf(";", posValue);
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if (endPos != -1)
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cookieValue = unescape(document.cookie.substring(posValue, endPos));
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else cookieValue = unescape(document.cookie.substring(posValue));
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}
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return cookieValue;
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};
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// [Cookie] Returns ids of open nodes as a string
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dTree.prototype.updateCookie = function () {
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var str = "";
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for (var n = 0; n < this.aNodes.length; n++) {
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if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {
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if (str) str += ".";
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str += this.aNodes[n].id;
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}
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}
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this.setCookie("co" + this.obj, str);
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};
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// [Cookie] Checks if a node id is in a cookie
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dTree.prototype.isOpen = function (id) {
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var aOpen = this.getCookie("co" + this.obj).split(".");
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for (var n = 0; n < aOpen.length; n++) if (aOpen[n] == id) return true;
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return false;
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};
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// If Push and pop is not implemented by the browser
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if (!Array.prototype.push) {
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Array.prototype.push = function array_push() {
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for (var i = 0; i < arguments.length; i++) this[this.length] = arguments[i];
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return this.length;
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};
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}
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if (!Array.prototype.pop) {
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Array.prototype.pop = function array_pop() {
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lastElement = this[this.length - 1];
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this.length = Math.max(this.length - 1, 0);
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return lastElement;
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};
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}
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