| /*--------------------------------------------------| |
| | dTree 2.05 | www.destroydrop.com/javascript/tree/ | |
| |---------------------------------------------------| |
| | Copyright (c) 2002-2003 Geir Landr� | |
| | | |
| | This script can be used freely as long as all | |
| | copyright messages are intact. | |
| | | |
| | Updated: 17.04.2003 | |
| |--------------------------------------------------*/ |
| |
| /* Copyright 2006 The Apache Software Foundation. */ |
| // Node object |
| function Node(id, pid, name, url, title, target, icon, iconOpen, open) { |
| this.id = id; |
| this.pid = pid; |
| this.name = name; |
| this.url = url; |
| this.title = title; |
| this.target = target; |
| this.icon = icon; |
| this.iconOpen = iconOpen; |
| this._io = open || false; |
| this._is = false; |
| this._ls = false; |
| this._hc = false; |
| this._ai = 0; |
| this._p; |
| }; |
| |
| // Tree object |
| function dTree(objName) { |
| this.config = { |
| target : null, |
| folderLinks : true, |
| useSelection : true, |
| useCookies : true, |
| useLines : true, |
| useIcons : true, |
| useStatusText : false, |
| closeSameLevel : false, |
| inOrder : false |
| } |
| this.icon = { |
| root : '/shopping-cart/images/dtree/base.gif', |
| folder : '/shopping-cart/images/dtree/folder.gif', |
| folderOpen : '/shopping-cart/images/dtree/folderopen.gif', |
| node : '/shopping-cart/images/dtree/page.gif', |
| empty : '/shopping-cart/images/dtree/empty.gif', |
| line : '/shopping-cart/images/dtree/line.gif', |
| join : '/shopping-cart/images/dtree/join.gif', |
| joinBottom : '/shopping-cart/images/dtree/joinbottom.gif', |
| plus : '/shopping-cart/images/dtree/plus.gif', |
| plusBottom : '/shopping-cart/images/dtree/plusbottom.gif', |
| minus : '/shopping-cart/images/dtree/minus.gif', |
| minusBottom : '/shopping-cart/images/dtree/minusbottom.gif', |
| nlPlus : '/shopping-cart/images/dtree/nolines_plus.gif', |
| nlMinus : '/shopping-cart/images/dtree/nolines_minus.gif' |
| }; |
| this.obj = objName; |
| this.aNodes = []; |
| this.aIndent = []; |
| this.root = new Node(-1); |
| this.selectedNode = null; |
| this.selectedFound = false; |
| this.completed = false; |
| }; |
| |
| // Adds a new node to the node array |
| dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open) { |
| this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open); |
| }; |
| |
| // Open/close all nodes |
| dTree.prototype.openAll = function() { |
| this.oAll(true); |
| }; |
| dTree.prototype.closeAll = function() { |
| this.oAll(false); |
| }; |
| |
| // Outputs the tree to the page |
| dTree.prototype.toString = function() { |
| var str = '<div class="dtree">\n'; |
| if (document.getElementById) { |
| if (this.config.useCookies) this.selectedNode = this.getSelected(); |
| str += this.addNode(this.root); |
| } else str += 'Browser not supported.'; |
| str += '</div>'; |
| if (!this.selectedFound) this.selectedNode = null; |
| this.completed = true; |
| return str; |
| }; |
| |
| // Creates the tree structure |
| dTree.prototype.addNode = function(pNode) { |
| var str = ''; |
| var n=0; |
| if (this.config.inOrder) n = pNode._ai; |
| for (n; n<this.aNodes.length; n++) { |
| if (this.aNodes[n].pid == pNode.id) { |
| var cn = this.aNodes[n]; |
| cn._p = pNode; |
| cn._ai = n; |
| this.setCS(cn); |
| if (!cn.target && this.config.target) cn.target = this.config.target; |
| if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id); |
| if (!this.config.folderLinks && cn._hc) cn.url = null; |
| if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) { |
| cn._is = true; |
| this.selectedNode = n; |
| this.selectedFound = true; |
| } |
| str += this.node(cn, n); |
| if (cn._ls) break; |
| } |
| } |
| return str; |
| }; |
| |
| // Creates the node icon, url and text |
| dTree.prototype.node = function(node, nodeId) { |
| var str = '<div class="dTreeNode">' + this.indent(node, nodeId); |
| if (this.config.useIcons) { |
| if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node); |
| if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node; |
| if (this.root.id == node.pid) { |
| node.icon = this.icon.root; |
| node.iconOpen = this.icon.root; |
| } |
| str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />'; |
| } |
| if (node.url) { |
| str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"'; |
| if (node.title) str += ' title="' + node.title + '"'; |
| if (node.target) str += ' target="' + node.target + '"'; |
| if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" '; |
| if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc)) |
| str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"'; |
| str += '>'; |
| } |
| else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id) |
| str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">'; |
| str += node.name; |
| if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>'; |
| str += '</div>'; |
| if (node._hc) { |
| str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">'; |
| str += this.addNode(node); |
| str += '</div>'; |
| } |
| this.aIndent.pop(); |
| return str; |
| }; |
| |
| // Adds the empty and line icons |
| dTree.prototype.indent = function(node, nodeId) { |
| var str = ''; |
| if (this.root.id != node.pid) { |
| for (var n=0; n<this.aIndent.length; n++) |
| str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />'; |
| (node._ls) ? this.aIndent.push(0) : this.aIndent.push(1); |
| if (node._hc) { |
| str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="'; |
| if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus; |
| 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 ) ); |
| str += '" alt="" /></a>'; |
| } else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />'; |
| } |
| return str; |
| }; |
| |
| // Checks if a node has any children and if it is the last sibling |
| dTree.prototype.setCS = function(node) { |
| var lastId; |
| for (var n=0; n<this.aNodes.length; n++) { |
| if (this.aNodes[n].pid == node.id) node._hc = true; |
| if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id; |
| } |
| if (lastId==node.id) node._ls = true; |
| }; |
| |
| // Returns the selected node |
| dTree.prototype.getSelected = function() { |
| var sn = this.getCookie('cs' + this.obj); |
| return (sn) ? sn : null; |
| }; |
| |
| // Highlights the selected node |
| dTree.prototype.s = function(id) { |
| if (!this.config.useSelection) return; |
| var cn = this.aNodes[id]; |
| if (cn._hc && !this.config.folderLinks) return; |
| if (this.selectedNode != id) { |
| if (this.selectedNode || this.selectedNode==0) { |
| eOld = document.getElementById("s" + this.obj + this.selectedNode); |
| eOld.className = "node"; |
| } |
| eNew = document.getElementById("s" + this.obj + id); |
| eNew.className = "nodeSel"; |
| this.selectedNode = id; |
| if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id); |
| } |
| }; |
| |
| // Toggle Open or close |
| dTree.prototype.o = function(id) { |
| var cn = this.aNodes[id]; |
| this.nodeStatus(!cn._io, id, cn._ls); |
| cn._io = !cn._io; |
| if (this.config.closeSameLevel) this.closeLevel(cn); |
| if (this.config.useCookies) this.updateCookie(); |
| }; |
| |
| // Open or close all nodes |
| dTree.prototype.oAll = function(status) { |
| for (var n=0; n<this.aNodes.length; n++) { |
| if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) { |
| this.nodeStatus(status, n, this.aNodes[n]._ls) |
| this.aNodes[n]._io = status; |
| } |
| } |
| if (this.config.useCookies) this.updateCookie(); |
| }; |
| |
| // Opens the tree to a specific node |
| dTree.prototype.openTo = function(nId, bSelect, bFirst) { |
| if (!bFirst) { |
| for (var n=0; n<this.aNodes.length; n++) { |
| if (this.aNodes[n].id == nId) { |
| nId=n; |
| break; |
| } |
| } |
| } |
| var cn=this.aNodes[nId]; |
| if (cn.pid==this.root.id || !cn._p) return; |
| cn._io = true; |
| cn._is = bSelect; |
| if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls); |
| if (this.completed && bSelect) this.s(cn._ai); |
| else if (bSelect) this._sn=cn._ai; |
| this.openTo(cn._p._ai, false, true); |
| }; |
| |
| // Closes all nodes on the same level as certain node |
| dTree.prototype.closeLevel = function(node) { |
| for (var n=0; n<this.aNodes.length; n++) { |
| if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) { |
| this.nodeStatus(false, n, this.aNodes[n]._ls); |
| this.aNodes[n]._io = false; |
| this.closeAllChildren(this.aNodes[n]); |
| } |
| } |
| } |
| |
| // Closes all children of a node |
| dTree.prototype.closeAllChildren = function(node) { |
| for (var n=0; n<this.aNodes.length; n++) { |
| if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) { |
| if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls); |
| this.aNodes[n]._io = false; |
| this.closeAllChildren(this.aNodes[n]); |
| } |
| } |
| } |
| |
| // Change the status of a node(open or closed) |
| dTree.prototype.nodeStatus = function(status, id, bottom) { |
| eDiv = document.getElementById('d' + this.obj + id); |
| eJoin = document.getElementById('j' + this.obj + id); |
| if (this.config.useIcons) { |
| eIcon = document.getElementById('i' + this.obj + id); |
| eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon; |
| } |
| eJoin.src = (this.config.useLines)? |
| ((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'; |
| }; |
| |
| |
| // [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; |
| } |
| }; |