/*--------------------------------------------------|
| 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                               |
|--------------------------------------------------*/

// Node object
function Node(id, pid, name, url, title, target, icon, iconOpen, open, checked,
  page, extCheckboxOnclick) {
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.checked = checked;
this.page = page;
this.extCheckboxOnclick = extCheckboxOnclick;
this._io = open || false;
this._is = false;
this._ls = false;
this._hc = false;
this._ai = 0;
this._p;
};

// Tree object
function dTree(objName, targetID, selectItemName) {
this.config = {
  target : null,
  folderLinks : true,
  useSelection : true,
  useCookies : false,
  useLines : true,
  useIcons : true,
  useStatusText : false,
  closeSameLevel : false,
  inOrder : false,
  multiSelect : false,
  selectChild : false
}
this.icon = {
  root : '',
  folder : '',
  folderOpen : '',
  node : '',
  empty : '',
  line : '',
  join : '',
  joinBottom : '',
  plus : '',
  plusBottom : '',
  minus : '',
  minusBottom : '',
  nlPlus : '',
  nlMinus : ''
};

this.icon.root = "../../../../../js/dtree/img/base.gif";
this.icon.folder = "../../../../../js/dtree/img/folder.gif";
this.icon.folderOpen = "../../../../../js/dtree/img/folderopen.gif";
this.icon.node = "../../../../../js/dtree/img/page.gif";
this.icon.empty = "../../../../../js/dtree/img/empty.gif";
this.icon.line = "../../../../../js/dtree/img/line.gif";
this.icon.join = "../../../../../js/dtree/img/join.gif";
this.icon.joinBottom = "../../../../../js/dtree/img/joinbottom.gif";
this.icon.plus = "../../../../../js/dtree/img/plus.gif";
this.icon.plusBottom = "../../../../../js/dtree/img/plusbottom.gif";
this.icon.minus = "../../../../../js/dtree/img/minus.gif";
this.icon.minusBottom = "../../../../../js/dtree/img/minusbottom.gif";
this.icon.nlPlus = "../../../../../js/dtree/img/nolines_plus.gif";
this.icon.nlMinus = "../../../../../js/dtree/img/nolines_minus.gif";

this.obj = objName;
this.aNodes = [];
this.aIndent = [];
this.root = new Node(-1);
this.selectedNode = null;
this.selectedFound = false;
this.completed = false;
this.loadeds = {};
this.aNodesData = []; // This array save the original data all the time.
this.targetID = targetID || 'dtree';
this.selectItemName = selectItemName ? selectItemName: "_selectitem";//checkbox name
};

// Adds a new node to the node array
dTree.prototype.add = function(id, pid, name, url, title, target, icon,
  iconOpen, open, checked, page, extCheckboxOnclick) {
this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title,
    target, icon, iconOpen, open, checked, page, extCheckboxOnclick);
};

// 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;
};

/*
dTree.prototype.updateCheckStatus = function(nId, obj) {
for (var n = 0; n < this.aNodes.length; n++) {
  if (this.aNodes[n].id == nId) {
    // alert("Checked ID: " + nId);
    this.aNodes[n].checked = obj.checked ? "checked" : "";
    break;
  }
}
}*/

dTree.prototype.updateCheckStatus = function(nId, obj) {	
for (var n = 0; n < this.aNodes.length; n++) {
  if (this.aNodes[n].id == nId) {			
    this.aNodes[n].checked = obj.checked ? "checked" : "";			
    break;
  }
}	
if('root'==nId){		
  var aa = document.getElementsByName(this.selectItemName);
  if(this.selectChild){
    for(var i=0;i<aa.length;i++){
      aa[i].checked = obj.checked;
    }
  }
}else{
  var sub = document.getElementsByName(this.selectItemName);
  if(sub){
    var snumber=0;	
    //alert(sub[0].checked);
    for(var i=0;i<sub.length;i++){
      if(sub[i].checked) snumber++;			
    }
    //var root = document.getElementsByName("TEMPALL"+this.selectItemName);
    var root=document.getElementById("TEMPALL_id");
    if(root){				
      if(snumber==sub.length){			
        root.checked=true;
      }else{
        root.checked=false;
      }
    }			
  }
}
}

// 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.multiSelect) {
  if (!this.config.selectChild || !node._hc) {
    var temp_item=('root'==node.id)?("TEMPALL"+this.selectItemName):this.selectItemName;
    var temp_id=('root'==node.id)?("TEMPALL_id"):"";
    //str += '<input type="checkbox" name="'+this.selectItemName+'" class="checkbox" value="'
    str += '<input type="checkbox" id="'+temp_id+'" name="'+temp_item+'" class="checkbox" value="'
        + node.title + '"' 
        + ' text="' + node.name + '"'
        + ' onClick="'
        + this.obj
        + '.updateCheckStatus(\'' + node.id + '\', this);'
        + node.extCheckboxOnclick + '"';
    // alert("Node Checked(" + node.id + ")->" + node.checked);
    if (node.checked)
      str += node.checked;
    str += '>'; // to do
  }
}
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 (this.config.multiSelect) {
  if (node._hc)
    str += '<a href="###" onclick="' + this.obj + '.o(' + nodeId + ')" class="node">';
} else if (node.url) {
  if (!this.config.selectChild || !node._hc) {
    str += '<a id="s'
        + this.obj
        + nodeId
        + '" class="'
        + ((this.config.useSelection) ? ((node._is
            ? 'nodeSel'
            : 'node')) : 'node');
    var index = node.url.toLowerCase().indexOf("javascript");
    if (index != -1){
      str += '" href="###" onclick="'+ node.url.substring(index + "javascript:".length) + '"';
    }else {
      str += '" 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 {
    str += '<a href="###" onclick="' + this.obj + '.o(' + nodeId + ')" class="node">';
  }
} else if ((!this.config.folderLinks || !node.url) && node._hc)
  str += '<a href="###" onclick="' + this.obj + '.o(' + nodeId + ')" class="node">';
str += '<span>' + node.name + '</span>';
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 = '';
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="###" onclick="' + 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.page) // 瀛樺湪瀛愯妭鐐?
    node._hc = true;
  // 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];

if (cn.page && !this.loadeds[cn.id]) {
  this.getChildren(id, cn.page, cn.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.nodeStatus(status, n, this.aNodes[n]._ls)
    this.aNodes[n]._io = status;
  }
}
if (this.config.useCookies)
  this.updateCookie();
};

/**
* Ajax鑾峰彇瀛愯妭鐐?
* 
* @param {}
*            id
* @param {}
*            page
* @param {}
*            pid
*/
dTree.prototype.getChildren = function(id, page, pid) {

var ajax = null;

if (window.ActiveXObject) {

  try {

    ajax = new ActiveXObject("Microsoft.XMLHTTP");

  } catch (e) {

    alert("鍒涘缓Microsoft.XMLHTTP瀵硅薄澶辫触,AJAX涓嶈兘姝ｅ父杩愯.璇锋鏌ユ偍鐨勬祻瑙堝櫒璁剧疆.");
  }

} else {

  if (window.XMLHttpRequest) {

    try {

      ajax = new XMLHttpRequest();

    } catch (e) {

      alert("鍒涘缓XMLHttpRequest瀵硅薄澶辫触,AJAX涓嶈兘姝ｅ父杩愯.璇锋鏌ユ偍鐨勬祻瑙堝櫒璁剧疆.");
    }

  }
}

// following is just for xiaosilent's Sales Management System.
// Server gives me a message like this :
// id1,name1,childCount1|id2,name2,childCount2|...
// var url ="/servlet/category?action=getChildren&parentID=" + pid +"&type="
// + this.type;

var url = "";

if (page) {
  url = page;
  if (pid) {
    url += (page.indexOf("?") != -1 ? "&" : "?") + "pid=" + pid;
  }
}

// use this to get this dTree object in the following function.
var tree = this;

ajax.onreadystatechange = function() {

  if (ajax.readyState == 4 && ajax.status == 200) {
    if (ajax.responseText == "false") {
      return;
    }
    var json = ajax.responseText;

    var nodes = eval(json);
    for (var i = 0; i < nodes.length; i++) {
      var node = nodes[i];
      var nodeURL = node.url ? contextPath + node.url : "";

      // id, pid, name, url, title, target, icon, iconOpen, open,
      // checked, page
      tree.add(node.id, node.pid, node.name, nodeURL, node.title,
          node.target, node.icon, node.iconOpen, node.open,
          node.checked, node.page);
    }

    tree.loadeds[pid] = node;

    tree.show();
    //tree.openTo(id);
  }

};

ajax.open("POST", url, false);
ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
ajax.send(null);
}

// 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 || this.aNodes[n].title == nId) {
      nId = n;
      break;
    }
  }
}
var cn = this.aNodes[nId];
if (cn != null) {
  if (cn.pid == this.root.id || !cn._p)
    return;
  cn._io = true;
  cn._is = bSelect;

  if (cn.page && !this.loadeds[cn.id]) {
    this.getChildren(nId, cn.page, cn.id);
  }
  
  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) {
    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;
}
};

dTree.prototype.show = function() {
// Renew the two array to save original data.
this.rewriteHTML();
}

dTree.prototype.rewriteHTML = function() {

var str = '';

// Added by xiaosilent.
var targetDIV;
targetDIV = document.getElementById(this.targetID);

if (!targetDIV) {

  alert('dTree can\'t find your specified container to show your tree.\n\n Please check your code!');

  return;
}

if (this.config.useCookies)
  this.selectedNode = this.getSelected();

var str = '<div class="dtree">\n';
str += this.addNode(this.root);
str += '</div>';

// Disabled by xiaosilent.
// str += '</div>';

if (!this.selectedFound)
  this.selectedNode = null;

this.completed = true;

// Disabled and added by xiaosilent.
// return str;
targetDIV.innerHTML = str;

};