| 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 | }; |