806 lines
16 KiB
JavaScript
806 lines
16 KiB
JavaScript
/*--------------------------------------------------|
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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? |
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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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| |
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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, checked ,url, title, target, icon, iconOpen, open,mktype) {
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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.mktype = url;
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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;//add by zhangwei
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};
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// Tree object
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function dTree(objName, iPath, formId) {
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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 : false,
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useCheckBox : 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 : '../js/dtree/img/base.gif',
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folder : '../js/dtree/img/folder.gif',
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folderOpen : '../js/dtree/img/folderopen.gif',
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node : '../js/dtree/img/page.gif',
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empty : '../js/dtree/img/empty.gif',
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line : '../js/dtree/img/line.gif',
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join : '../js/dtree/img/join.gif',
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joinBottom : '../js/dtree/img/joinbottom.gif',
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plus : '../js/dtree/img/plus.gif',
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plusBottom : '../js/dtree/img/plusbottom.gif',
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minus : '../js/dtree/img/minus.gif',
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minusBottom : '../js/dtree/img/minusbottom.gif',
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nlPlus : '../js/dtree/img/nolines_plus.gif',
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nlMinus : '../js/dtree/img/nolines_minus.gif'
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};
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this.parEnum = "";
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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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this.formId = (formId==null)?"dTreeForm":formId;
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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, checked, url, title, target, icon, iconOpen, open) {
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this.aNodes[this.aNodes.length] = new Node(id, pid, name, checked, 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"><form id="'+this.formId+'">\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 += '</form></div>';
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//document.getElementById("test").value = str;
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//alert(str);
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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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if(this.aNodes[n].pid == 0){
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this.parEnum = "";
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}
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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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//alert("nodeId = " + nodeId + " | parentId = " + node.pid + " | nodeId = " + node.id);
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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(this.config.useCheckBox && nodeId!=0){
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if(node.pid==0){
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this.parEnum += node.id + "-";
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}
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else{
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//alert("parEnum1 = " + this.parEnum + "node id = " + node.pid);
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var pL = this.parEnum.indexOf(node.pid+"-");
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//alert(this.parEnum.substring(0,pL+(node.pid+"-").length))
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this.parEnum = this.parEnum.substring(0,pL+(node.pid+"-").length) + node.id + "-";
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//alert("parEnum2 = " + this.parEnum);
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}
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//name='mkid'，此处name的内容根据具体需要修改,add by zhangwei
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str += '<input type="checkbox" name="mkid" id="c'+this.parEnum+'"'+node.checked+' onClick="caBox(\''+this.formId+'\',\'c'+this.parEnum+'\',\'c'+node.mktype+'\','+node.id+')" value="' + node.id +'" class="cx"/>';
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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 + '" 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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// 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 (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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// [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(cookieName, cookieValue, expires, path, domain, secure) {
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document.cookie =
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escape(cookieName) + '=' + 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) {
|
||
|
||
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;
|
||
|
||
}
|
||
|
||
};
|
||
|
||
/* checkbox tree */
|
||
function caBox(formId, regx,mktype,nodeId ) {
|
||
//选中
|
||
if( document.getElementById( regx ).checked ){
|
||
var form = document.getElementById(formId);
|
||
var regxArray = regx.split("-");
|
||
var elements = document.getElementsByTagName("input");//add by zhangwei
|
||
//选中一个节点之后的所有子节点
|
||
for (var i=0; i<elements.length; i++) {
|
||
var element = elements[i];
|
||
//name='mkid'，此处name的内容根据具体需要修改,add by zhangwei
|
||
if (element.name == "mkid" && element.type=='checkbox'){
|
||
// checked next node
|
||
if(element.id.indexOf(regx)!=-1){
|
||
//element.checked = true;
|
||
}
|
||
|
||
}
|
||
}
|
||
|
||
//选中一个节点之前的父节点
|
||
for(j=0;j<regxArray.length;j++){
|
||
var pDiv = regx.substring(0,regx.indexOf(regxArray[regxArray.length-j-1]+"-"));
|
||
//if(document.getElementById(pDiv))
|
||
//document.getElementById(pDiv).checked=true;//选中一个节点的时候，同时选中父节点？？
|
||
}
|
||
|
||
//方法存在就执行，不存在就不执行，选中复选框时执行的方法
|
||
if(typeof onCheckedCheckBox !='undefined' && onCheckedCheckBox instanceof Function) {
|
||
onCheckedCheckBox(nodeId);
|
||
}
|
||
}
|
||
//取消
|
||
else{
|
||
// unChecked
|
||
var form = document.getElementById(formId);
|
||
var regxArray = regx.split("-");
|
||
var elements = document.getElementsByTagName("input");//add by zhangwei
|
||
for (var i=0; i<elements.length; i++) {
|
||
var element = elements[i];
|
||
//name='mkid'，此处name的内容根据具体需要修改,add by zhangwei
|
||
if (element.name == "mkid" && element.type=='checkbox'){
|
||
// elements's all child set checked false;
|
||
if(element.id.indexOf(regx)!=-1){
|
||
//element.checked = false;
|
||
}
|
||
}
|
||
}
|
||
|
||
// checked prev node
|
||
// c7 8
|
||
for(j=0;j<regxArray.length-1;j++){
|
||
if( !isCheckedByRec(form, regx.substring(0,regx.indexOf(regxArray[regxArray.length-j-2]+"-"))) ){
|
||
var pDiv = regx.substring(0,regx.indexOf(regxArray[regxArray.length-j-2]+"-"));
|
||
//if(document.getElementById(pDiv)&&mktype!='c1')
|
||
//document.getElementById(pDiv).checked=false;
|
||
}
|
||
}
|
||
|
||
//方法存在就执行，不存在就不执行，取消选中复选框时执行的方法
|
||
if(typeof onCancleCheckBox !='undefined' && onCancleCheckBox instanceof Function) {
|
||
onCancleCheckBox(nodeId);
|
||
}
|
||
|
||
}
|
||
//方法存在就执行，不存在就不执行，点击时执行：无论取消和选中
|
||
if(typeof onClickCheckBox !='undefined' && onClickCheckBox instanceof Function) {
|
||
onClickCheckBox(nodeId);
|
||
}
|
||
}
|
||
|
||
function isCheckedByRec( form ,regx){
|
||
//alert("isCheckedByRec = " + regx);
|
||
var elements = document.getElementsByTagName("input");//add by zhangwei
|
||
for (var i=0; i<elements.length; i++) {
|
||
var element = elements[i];
|
||
//name='mkid'，此处name的内容根据具体需要修改,add by zhangwei
|
||
if (element.name == "mkid" && element.type=='checkbox'){
|
||
// isChecked
|
||
if(element.id.indexOf(regx)!=-1 && element.checked && element.id!=regx ){
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
return false;
|
||
}
|
||
//alert("c1-7-".indexOf("1-"));
|
||
//var st = "1-3-4-";
|
||
//alert(st.split("-").length);
|
||
///alert(st.split("-")[2]);
|
||
//alert( st.lastIndexOf("-", st.lastIndexOf("-")) );
|