templates/default_advanced/js/dtree.js

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