382 lines
12 KiB
JavaScript
382 lines
12 KiB
JavaScript
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function Node(id, pid, name, url, title, target, checked, 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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this._checked = checked || false;
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};
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// Tree object
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function dTree(objName,filepath,showBoxLevel,showBoxOnlyLeaf) {
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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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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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check : true
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}
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this.filePath=filepath;
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this.showBoxLevel = showBoxLevel;
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this.showBoxOnlyLeaf = showBoxOnlyLeaf;
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this.icon = {
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root : this.filePath+'base.gif',
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folder : this.filePath+'collection.gif',
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folderOpen : this.filePath+'collection.gif',
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node : this.filePath+'collection.gif',
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empty : this.filePath+'empty.gif',
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line : this.filePath+'L4.gif',
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join : this.filePath+'L1.gif',
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joinBottom : this.filePath+'L2.gif',
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plus : this.filePath+'P1.gif',
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plusBottom : this.filePath+'P2.gif',
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minus : this.filePath+'M1.gif',
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minusBottom : this.filePath+'M2.gif',
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nlPlus : this.filePath+'nolines_plus.gif',
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nlMinus : this.filePath+'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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{
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str += this.addNode(this.root);
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}
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else
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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 (!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.check)
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{
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if((this.showBoxLevel!='no')&&(this.getNodeLevel(nodeId)>this.showBoxLevel||!node._hc)){//<2F><>ϲ㼶Ҫ<E3BCB6><D2AA><EFBFBD><EFBFBD><EFBFBD>ʾcheckbox
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if(node._checked)
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{
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str+= '<input type="checkbox" name="'+node.id+'" id="c'+ this.obj + nodeId + '" onclick="javascript:'+this.obj+'.cc('+nodeId+')" checked/>';
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}else
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{
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str+= '<input type="checkbox" name="'+node.id+'" id="c'+ this.obj + nodeId + '" onclick="javascript:'+this.obj+'.cc('+nodeId+')"/>';
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}
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}
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if((this.showBoxOnlyLeaf!='no')&&(this.showBoxOnlyLeaf=='leaf'&&!node._hc)){//leafֻ<66><D6BB>Ҷ<EFBFBD>ӽڵ<D3BD><DAB5><EFBFBD>ʾcheckbox,all<6C><6C><EFBFBD><EFBFBD>ʾ
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if(node._checked)
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{
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str+= '<input type="checkbox" name="'+node.id+'" id="c'+ this.obj + nodeId + '" onclick="javascript:'+this.obj+'.cc('+nodeId+')" checked/>';
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}else
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{
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str+= '<input type="checkbox" name="'+node.id+'" id="c'+ this.obj + nodeId + '" onclick="javascript:'+this.obj+'.cc('+nodeId+')"/>';
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}
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//alert(str);
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}
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if((this.showBoxOnlyLeaf!='no')&&(this.showBoxOnlyLeaf=='all')){//leafֻ<66><D6BB>Ҷ<EFBFBD>ӽڵ<D3BD><DAB5><EFBFBD>ʾcheckbox,all<6C><6C><EFBFBD><EFBFBD>ʾ
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if(node._checked)
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{
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str+= '<input type="checkbox" name="'+node.id+'" id="c'+ this.obj + nodeId + '" onclick="javascript:'+this.obj+'.cc('+nodeId+')" checked/>';
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}else
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{
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str+= '<input type="checkbox" name="'+node.id+'" id="c'+ this.obj + nodeId + '" onclick="javascript:'+this.obj+'.cc('+nodeId+')"/>';
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}
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}
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}
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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._checked ? '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 + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';
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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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// Highlights the selected node
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dTree.prototype.s = function(id) {
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$('a[class=nodeSel]').attr('class','');
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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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}
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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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};
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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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};
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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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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)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):
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((status)?this.icon.nlMinus:this.icon.nlPlus);
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eDiv.style.display = (status) ? 'block': 'none';
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};
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//Click the CheckBox ,check it's Father Node and Child nodes.
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dTree.prototype.cc=function(nodeId){
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var cs = document.getElementById("c"+this.obj+nodeId).checked;
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var n,node = this.aNodes[nodeId];
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var len = this.aNodes.length;
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for (n=0; n<len; n++) {
|
|||
|
|
if (this.aNodes[n].pid == node.id) {
|
|||
|
|
document.getElementById("c"+this.obj+n).checked=cs;
|
|||
|
|
this.cc(n);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if(cs==false)return;
|
|||
|
|
var pid=node.pid;
|
|||
|
|
var bSearch;
|
|||
|
|
do{
|
|||
|
|
bSearch=false;
|
|||
|
|
for(n=0;n<len;n++){
|
|||
|
|
if(this.aNodes[n].id==pid){
|
|||
|
|
document.getElementById("c"+this.obj+n).checked=true;
|
|||
|
|
pid=this.aNodes[n].pid;
|
|||
|
|
bSearch= true;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}while(bSearch==true);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 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;
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
// <20><><EFBFBD>id<69>õ<EFBFBD><C3B5>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>
|
|||
|
|
dTree.prototype.getNode = function(id) {
|
|||
|
|
var nd;
|
|||
|
|
for(var i=0;i<this.aNodes.length;i++){
|
|||
|
|
nd = this.aNodes[i];
|
|||
|
|
if(nd.id==id){
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return nd;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// <20><><EFBFBD>id<69>õ<EFBFBD><C3B5>ڵ<EFBFBD>IJ㼶
|
|||
|
|
dTree.prototype.getNodeLevel = function(id) {
|
|||
|
|
var cn = this.aNodes[id];
|
|||
|
|
var level = 0;
|
|||
|
|
for(;;){
|
|||
|
|
if(cn._p.id==this.root.id){
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
level++;
|
|||
|
|
cn = cn._p;
|
|||
|
|
}
|
|||
|
|
return level;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//<2F>ж<EFBFBD><D0B6>Dz<EFBFBD><C7B2><EFBFBD>Ҷ<EFBFBD><D2B6>Ŀ¼
|
|||
|
|
dTree.prototype.isLeaf = function (nodeId){
|
|||
|
|
var cn = this.aNodes[nodeId];
|
|||
|
|
return cn._hc;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
|