[Sommaire] [Imprimer]

   1  /*--------------------------------------------------|
   2  | dTree 2.05 | www.destroydrop.com/javascript/tree/ |
   3  |---------------------------------------------------|
   4  | Copyright (c) 2002-2003 Geir Landrö               |
   5  |                                                   |
   6  | This script can be used freely as long as all     |
   7  | copyright messages are intact.                    |
   8  |                                                   |
   9  | Updated: 17.04.2003                               |
  10  |--------------------------------------------------*/
  11  
  12  
  13  // modified for egw 29-12-03 ndee
  14  // 27-01-04 ndee: amended function dtree() with parameter for php based icondir
  15  
  16  // Node object
  17  function Node(id, pid, name, url, urlClick, urlOut, title, target, icon, iconOpen, open) {
  18      this.id = id;
  19      this.pid = pid;
  20      this.name = name;
  21      this.url = url;
  22      this.urlClick = urlClick;
  23      this.urlOut = urlOut;
  24      this.title = title;
  25      this.target = target;
  26      this.icon = icon;
  27      this.iconOpen = iconOpen;
  28      this._io = open || false;
  29      this._is = false;
  30      this._ls = false;
  31      this._hc = false;
  32      this._ai = 0;
  33      this._p;
  34  };
  35  
  36  
  37  // Tree object
  38  function dTree(objName,icondir) {
  39      iconPath = (icondir !='') ? icondir : '/egroupware/phpgwapi/templates/default/images';
  40      this.icon = {
  41          root                : iconPath+'/foldertree_base.gif',
  42          folder                : iconPath+'/foldertree_folder.gif',
  43          folderOpen            : iconPath+'/foldertree_folderopen.gif',
  44          node                : iconPath+'/foldertree_folder.gif',
  45          empty                : iconPath+'/foldertree_empty.gif',
  46          line                : iconPath+'/foldertree_line.gif',
  47          join                : iconPath+'/foldertree_join.gif',
  48          joinBottom            : iconPath+'/foldertree_joinbottom.gif',
  49          plus                : iconPath+'/foldertree_plus.gif',
  50          plusBottom            : iconPath+'/foldertree_plusbottom.gif',
  51          minus                : iconPath+'/foldertree_minus.gif',
  52          minusBottom            : iconPath+'/foldertree_minusbottom.gif',
  53          nlPlus                : iconPath+'/foldertree_nolines_plus.gif',
  54          nlMinus                : iconPath+'/foldertree_nolines_minus.gif'
  55      };
  56  
  57  
  58      this.config = {
  59          target                : null,
  60          folderLinks            : true,
  61          useSelection            : true,
  62          useCookies            : true,
  63          useLines            : true,
  64          useIcons            : true,
  65          useStatusText            : false,    //must be set to false for drag and drop! change-me!
  66          closeSameLevel            : false,
  67          inOrder                : false,
  68          useJSCode            : true
  69      }
  70      
  71      this.obj = objName;
  72      this.aNodes = [];
  73      this.aIndent = [];
  74      this.root = new Node(-1);
  75      this.selectedNode = null;
  76      this.selectedFound = false;
  77      this.completed = false;
  78  };
  79  
  80  // Adds a new node to the node array
  81  dTree.prototype.add = function(id, pid, name, url, urlClick, urlOut, title, target, icon, iconOpen, open) {
  82      this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, urlClick, urlOut, title, target, icon, iconOpen, open);
  83  };
  84  
  85  // Open/close all nodes
  86  dTree.prototype.openAll = function() {
  87      this.oAll(true);
  88  };
  89  dTree.prototype.closeAll = function() {
  90      this.oAll(false);
  91  };
  92  
  93  // Outputs the tree to the page
  94  dTree.prototype.toString = function() {
  95      var str = '<div class="dtree">\n';
  96      if (document.getElementById) {
  97          if (this.config.useCookies) this.selectedNode = this.getSelected();
  98          str += this.addNode(this.root);
  99      } else str += 'Browser not supported.';
 100      str += '</div>';
 101      if (!this.selectedFound) this.selectedNode = null;
 102      this.completed = true;
 103      return str;
 104  };
 105  
 106  // Creates the tree structure
 107  dTree.prototype.addNode = function(pNode) {
 108      var str = '';
 109      var n=0;
 110      if (this.config.inOrder) n = pNode._ai;
 111      for (n; n<this.aNodes.length; n++) {
 112          if (this.aNodes[n].pid == pNode.id) {
 113              var cn = this.aNodes[n];
 114              cn._p = pNode;
 115              cn._ai = n;
 116              this.setCS(cn);
 117              if (!cn.target && this.config.target) cn.target = this.config.target;
 118              if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);
 119              if (!this.config.folderLinks && cn._hc) cn.url = null;
 120              if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {
 121                      cn._is = true;
 122                      this.selectedNode = n;
 123                      this.selectedFound = true;
 124              }
 125              str += this.node(cn, n);
 126              if (cn._ls) break;
 127          }
 128      }
 129      return str;
 130  };
 131  
 132  // Creates the node icon, url and text
 133  dTree.prototype.node = function(node, nodeId) {
 134      var str = '<div class="dTreeNode">' + this.indent(node, nodeId);
 135      if (this.config.useIcons) {
 136          if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);
 137          if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;
 138          if (this.root.id == node.pid) {
 139  
 140  // commented, so we dont have all same root icons (NDEE)
 141              //node.icon = this.icon.root;
 142              node.iconOpen = this.icon.root;
 143          }
 144          str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" />';
 145      }
 146      if (node.url) {
 147          str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';
 148          if (node.title) str += ' title="' + node.title + '"';
 149          if (node.target) str += ' target="' + node.target + '"';
 150          if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.title + '\';return true;" onmouseout="window.status=\'\';return true;" ';
 151  
 152  // added 02-01-03 NDEE
 153  // for easier JS code in links
 154   
 155          //if (this.config.useJSCode) str += ' onClick="alert(\'' + node.urlClick + '\');return true;"';
 156          if (this.config.useJSCode) str += ' onClick="' + node.urlClick + '"';
 157          if (this.config.useJSCode) str += ' onMouseOut="' + node.urlOut + '"';
 158          if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))
 159          str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';
 160          str += '>';
 161      }
 162      else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)
 163          str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';
 164      str += node.name;
 165      if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';
 166      str += '</div>';
 167      if (node._hc) {
 168          str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';
 169          str += this.addNode(node);
 170          str += '</div>';
 171      }
 172      this.aIndent.pop();
 173      return str;
 174  };
 175  
 176  // Adds the empty and line icons
 177  dTree.prototype.indent = function(node, nodeId) {
 178      var str = '';
 179      if (this.root.id != node.pid) {
 180          for (var n=0; n<this.aIndent.length; n++)
 181              str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';
 182          (node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);
 183          if (node._hc) {
 184              str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';
 185              if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;
 186              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 ) );
 187              str += '" alt="" /></a>';
 188          } else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';
 189      }
 190      return str;
 191  };
 192  
 193  // Checks if a node has any children and if it is the last sibling
 194  dTree.prototype.setCS = function(node) {
 195      var lastId;
 196      for (var n=0; n<this.aNodes.length; n++) {
 197          if (this.aNodes[n].pid == node.id) node._hc = true;
 198          if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;
 199      }
 200      if (lastId==node.id) node._ls = true;
 201  };
 202  
 203  // Returns the selected node
 204  dTree.prototype.getSelected = function() {
 205      var sn = this.getCookie('cs' + this.obj);
 206      return (sn) ? sn : null;
 207  };
 208  
 209  // Highlights the selected node
 210  dTree.prototype.s = function(id) {
 211      if (!this.config.useSelection) return;
 212      var cn = this.aNodes[id];
 213      if (cn._hc && !this.config.folderLinks) return;
 214      if (this.selectedNode != id) {
 215          if (this.selectedNode || this.selectedNode==0) {
 216              eOld = document.getElementById("s" + this.obj + this.selectedNode);
 217              eOld.className = "node";
 218          }
 219          eNew = document.getElementById("s" + this.obj + id);
 220          eNew.className = "nodeSel";
 221          this.selectedNode = id;
 222          if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);
 223      }
 224  };
 225  
 226  // Toggle Open or close
 227  dTree.prototype.o = function(id) {
 228      var cn = this.aNodes[id];
 229      this.nodeStatus(!cn._io, id, cn._ls);
 230      cn._io = !cn._io;
 231      if (this.config.closeSameLevel) this.closeLevel(cn);
 232      if (this.config.useCookies) this.updateCookie();
 233  };
 234  
 235  // Open or close all nodes
 236  dTree.prototype.oAll = function(status) {
 237      for (var n=0; n<this.aNodes.length; n++) {
 238          if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {
 239              this.nodeStatus(status, n, this.aNodes[n]._ls)
 240              this.aNodes[n]._io = status;
 241          }
 242      }
 243      if (this.config.useCookies) this.updateCookie();
 244  };
 245  
 246  // Opens the tree to a specific node
 247  dTree.prototype.openTo = function(nId, bSelect, bFirst) {
 248      if (!bFirst) {
 249          for (var n=0; n<this.aNodes.length; n++) {
 250              if (this.aNodes[n].id == nId) {
 251                  nId=n;
 252                  break;
 253              }
 254          }
 255      }
 256      var cn=this.aNodes[nId];
 257      if (cn.pid==this.root.id || !cn._p) return;
 258      cn._io = true;
 259      cn._is = bSelect;
 260      if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);
 261      if (this.completed && bSelect) this.s(cn._ai);
 262      else if (bSelect) this._sn=cn._ai;
 263      this.openTo(cn._p._ai, false, true);
 264  };
 265  
 266  // Closes all nodes on the same level as certain node
 267  dTree.prototype.closeLevel = function(node) {
 268      for (var n=0; n<this.aNodes.length; n++) {
 269          if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {
 270              this.nodeStatus(false, n, this.aNodes[n]._ls);
 271              this.aNodes[n]._io = false;
 272              this.closeAllChildren(this.aNodes[n]);
 273          }
 274      }
 275  }
 276  
 277  // Closes all children of a node
 278  dTree.prototype.closeAllChildren = function(node) {
 279      for (var n=0; n<this.aNodes.length; n++) {
 280          if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {
 281              if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);
 282              this.aNodes[n]._io = false;
 283              this.closeAllChildren(this.aNodes[n]);        
 284          }
 285      }
 286  }
 287  
 288  // Change the status of a node(open or closed)
 289  dTree.prototype.nodeStatus = function(status, id, bottom) {
 290      eDiv    = document.getElementById('d' + this.obj + id);
 291      eJoin    = document.getElementById('j' + this.obj + id);
 292      if (this.config.useIcons) {
 293          eIcon    = document.getElementById('i' + this.obj + id);
 294          eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;
 295      }
 296      eJoin.src = (this.config.useLines)?
 297      ((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):
 298      ((status)?this.icon.nlMinus:this.icon.nlPlus);
 299      eDiv.style.display = (status) ? 'block': 'none';
 300  };
 301  
 302  
 303  // [Cookie] Clears a cookie
 304  dTree.prototype.clearCookie = function() {
 305      var now = new Date();
 306      var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);
 307      this.setCookie('co'+this.obj, 'cookieValue', yesterday);
 308      this.setCookie('cs'+this.obj, 'cookieValue', yesterday);
 309  };
 310  
 311  // [Cookie] Sets value in a cookie
 312  dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {
 313      document.cookie =
 314          escape(cookieName) + '=' + escape(cookieValue)
 315          + (expires ? '; expires=' + expires.toGMTString() : '')
 316          + (path ? '; path=' + path : '')
 317          + (domain ? '; domain=' + domain : '')
 318          + (secure ? '; secure' : '');
 319  };
 320  
 321  // [Cookie] Gets a value from a cookie
 322  dTree.prototype.getCookie = function(cookieName) {
 323      var cookieValue = '';
 324      var posName = document.cookie.indexOf(escape(cookieName) + '=');
 325      if (posName != -1) {
 326          var posValue = posName + (escape(cookieName) + '=').length;
 327          var endPos = document.cookie.indexOf(';', posValue);
 328          if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));
 329          else cookieValue = unescape(document.cookie.substring(posValue));
 330      }
 331      return (cookieValue);
 332  };
 333  
 334  // [Cookie] Returns ids of open nodes as a string
 335  dTree.prototype.updateCookie = function() {
 336      var str = '';
 337      for (var n=0; n<this.aNodes.length; n++) {
 338          if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {
 339              if (str) str += '.';
 340              str += this.aNodes[n].id;
 341          }
 342      }
 343      this.setCookie('co' + this.obj, str);
 344  };
 345  
 346  // [Cookie] Checks if a node id is in a cookie
 347  dTree.prototype.isOpen = function(id) {
 348      var aOpen = this.getCookie('co' + this.obj).split('.');
 349      for (var n=0; n<aOpen.length; n++)
 350          if (aOpen[n] == id) return true;
 351      return false;
 352  };
 353  
 354  // If Push and pop is not implemented by the browser
 355  if (!Array.prototype.push) {
 356      Array.prototype.push = function array_push() {
 357          for(var i=0;i<arguments.length;i++)
 358              this[this.length]=arguments[i];
 359          return this.length;
 360      }
 361  };
 362  if (!Array.prototype.pop) {
 363      Array.prototype.pop = function array_pop() {
 364          lastElement = this[this.length-1];
 365          this.length = Math.max(this.length-1,0);
 366          return lastElement;
 367      }
 368  };