gosa-core/include/class_ItemSelector.inc

   1 <?php
   2 /*
   3  * This code is part of GOsa (http://www.gosa-project.org)
   4  * Copyright (C) 2003-2010 GONICUS GmbH
   5  *
   6  * ID: $$Id: class_listing.inc 15296 2010-01-26 08:27:39Z cajus $$
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 class ItemSelector {
  24
  25     public $base;
  26     public $pid;
  27     public $action;
  28     public $height= 500;
  29     public $submitButton= true;
  30     public $tree;
  31     public $pathMapping;
  32     public $lastState;
  33     public $releaseInfo;
  34     public $releaseBase;
  35
  36     function __construct($bases = array(), $base = "", $releaseBase = "")
  37     {
  38         // Initialize pid
  39         $this->pid= preg_replace("/[^0-9]/", "", microtime(TRUE));
  40
  41         // Get list of used IDs
  42         if(!session::is_set('releaseSelector_USED_IDS')){
  43             session::set('releaseSelector_USED_IDS',array());
  44         }
  45         $usedIds = session::get('releaseSelector_USED_IDS');
  46
  47         // Generate instance wide unique ID
  48         $pid = "";
  49         while($pid == "" || in_array_strict($pid, $usedIds)){
  50
  51             // Wait 1 msec to ensure that we definately get a new id
  52             if($pid != "") usleep(1);
  53             $tmp= gettimeofday();
  54             $pid =  'l'.md5(microtime().$tmp['sec']);
  55         }
  56
  57         // Only keep the last 10 list IDsi
  58         $usedIds = array_slice($usedIds, count($usedIds) -10, 10);
  59         $usedIds[] = $pid;
  60         session::set('releaseSelector_USED_IDS',$usedIds);
  61         $this->pid = $pid;
  62
  63         // Transfer data
  64         $this->releaseBase = $releaseBase;
  65         $this->setBases($bases);
  66         $this->setBase($base);
  67     }
  68
  69
  70     function setSubmitButton($flag)
  71     {
  72         $this->submitButton= $flag;
  73     }
  74
  75
  76     function setHeight($value)
  77     {
  78         $this->height= $value;
  79     }
  80
  81
  82     function setBase($base)
  83     {
  84         $this->base= $base;
  85         if (isset($this->pathMapping[$base])) {
  86             $this->update(true);
  87         }
  88     }
  89
  90     function setRootBase($base)
  91     {
  92         $this->releaseBase = $base;
  93     }
  94
  95
  96     function checkBase($base)
  97     {
  98         return isset($this->pathMapping[$base]);
  99     }
 100
 101
 102     function checkLastBaseUpdate()
 103     {
 104         return $this->lastState;
 105     }
 106
 107
 108     function setBases($bases)
 109     {
 110         global $config;
 111         $this->releaseInfo = array();
 112         $this->pathMapping= array();
 113         $selected= $this->base == $this->releaseBase?"Selected":"";
 114         $first= true;
 115         $last_indent= 2;
 116
 117         foreach ($bases as $path => $data) {
 118
 119             // Build path style display
 120             $this->pathMapping[$path]= preg_replace("/^".preg_quote($this->releaseBase,'/')."\/?/i", "/", $path);
 121             $this->releaseInfo[$path]['name'] = $data['name'];
 122             $this->releaseInfo[$path]['description'] = $data['desc'];
 123         }
 124
 125         // Save bases to session for autocompletion
 126         session::global_set("pathMapping_{$this->pid}", $this->pathMapping);
 127         session::global_set("department_info_{$this->pid}", $this->releaseInfo);
 128     }
 129
 130
 131     function update($force= false)
 132     {
 133         global $config;
 134
 135         // Analyze for base changes if needed
 136         $this->action= null;
 137         $last_base= $this->base;
 138         if(isset($_REQUEST["BPID_{$this->pid}"]) && $_REQUEST["BPID_{$this->pid}"] == $this->pid) {
 139             if (isset($_POST['bs_rebase_'.$this->pid])) {
 140                 $new_base= base64_decode(get_post('bs_rebase_'.$this->pid));
 141                 if($new_base){
 142                     if (isset($this->pathMapping[$new_base])) {
 143                         $this->base= $new_base;
 144                         $this->action= 'rebase';
 145                     } else {
 146                         $this->lastState= false;
 147                         return false;
 148                     }
 149                 }
 150             }else{
 151                 // Input field set?
 152                 if (isset($_POST['bs_input_'.$this->pid])) {
 153
 154                     // Take over input field base
 155                     if ($this->submitButton && isset($_POST['submit_base_'.$this->pid]) || !$this->submitButton) {
 156
 157                         // Check if base is available
 158                         $this->lastState= false;
 159                         foreach ($this->pathMapping as $key => $path) {
 160                             if (mb_strtolower($path) == mb_strtolower(get_post('bs_input_'.$this->pid))) {
 161                                 $this->base= $key;
 162                                 $this->lastState= true;
 163                                 break;
 164                             }
 165                         }
 166                     }
 167                 }
 168             }
 169
 170         }
 171
 172         /* Skip if there's no change */
 173         if (($this->tree && $this->base == $last_base) && !$force) {
 174             return true;
 175         }
 176
 177         $link= "onclick=\"\$('bs_rebase_".$this->pid."').value='".base64_encode($this->releaseBase)."';
 178             $('submit_tree_base_".$this->pid."').click();\"";
 179
 180         $initialValue = "";
 181         if(isset($this->pathMapping[$this->base])){
 182             $initialValue = $this->pathMapping[$this->base];
 183         }
 184
 185         $this->tree= "
 186
 187             <input style='width:160px' type='text' size='35'
 188             name='bs_input_{$this->pid}'
 189             id='bs_input_{$this->pid}'
 190
 191             onkeydown=\"    \$('bs_{$this->pid}').hide(); \"
 192             onfocus=\"      \$('bs_{$this->pid}').hide(); \"
 193             onmouseover=\"
 194                 mouseIsStillOver = true;
 195                 function showIt()
 196                 {
 197                     if(mouseIsStillOver){
 198                         \$('bs_".$this->pid."').show();
 199                     }
 200                 };
 201
 202                 Element.clonePosition(
 203                     \$('bs_".$this->pid."'),
 204                     'bs_input_".$this->pid."',
 205                     {
 206                         setHeight: false,
 207                         setWidth: false,
 208                         offsetTop:(Element.getHeight('bs_input_".$this->pid."'))
 209                     });
 210                 rtimer=showIt.delay(0.25); \"
 211
 212             onmouseout=\"
 213                 mouseIsStillOver=false;
 214                 rtimer=Element.hide.delay(0.25,'bs_".$this->pid."')\"
 215
 216             value=\"".preg_replace('/"/','&quot;',$initialValue)."\">";
 217
 218         // Autocompleter
 219         $this->tree.= "<div id='autocomplete_".$this->pid."' class='autocomplete'></div>".
 220             "<script type='text/javascript'>".
 221             "var mouseIsStillOver = false;".
 222             "new Ajax.Autocompleter(
 223                 'bs_input_".$this->pid."',
 224                 'autocomplete_".$this->pid."',
 225                 'autocomplete.php?type=base&pid={$this->pid}',
 226                 { minChars: 3, frequency: 0.5 });";
 227
 228         if ($this->submitButton) {
 229             $this->tree.= "$('bs_input_".$this->pid."').observe('keypress',
 230                     function(event)
 231                     {
 232                         if(event.keyCode == Event.KEY_RETURN) {
 233                             $('submit_base_".$this->pid."').click();
 234                         }
 235                     });";
 236         }
 237         $this->tree.= "</script>";
 238         $selected= $this->base == $this->releaseBase?"Selected":"";
 239         $this->tree.= "<div class='treeList'
 240                             style=' display:none;
 241                                     max-height:".$this->height."px'
 242                             id='bs_".$this->pid."'
 243                             onmouseover=\"
 244                                     window.clearTimeout(rtimer);\"
 245                             onmouseout=\"
 246                                     rtimer= Element.hide.delay(0.25, 'bs_".$this->pid."')\">
 247                         <a                     class='treeList$selected' $link>/&nbsp;["._("Root")."]</a>
 248                         <ul class='treeList'>\n";
 249
 250         $first= true;
 251         $last_indent= 1;
 252
 253         $baseDepth = 0;
 254         foreach ($this->pathMapping as $base => $dummy) {
 255
 256             // Do not render the base element
 257             if($base == $this->releaseBase){
 258                 $baseDepth = 1;
 259                 continue;
 260             }
 261
 262             // Build path style display
 263             $elements= explode('/', substr($base, strlen($this->releaseBase), strlen($base)));
 264             $indent= count($elements) - $baseDepth ;
 265
 266             if (!$first && ($indent == $last_indent)) {
 267                 $this->tree.= "</li>\n";
 268             }
 269             if ($indent > $last_indent) {
 270                 $this->tree.= "<ul>\n";
 271             }
 272             if ($indent < $last_indent) {
 273                 for ($i= 0; $i < ($last_indent-$indent); $i++) {
 274                     $this->tree.= "</li></ul>\n";
 275                 }
 276                 $this->tree.= "</li>\n";
 277             }
 278             $selected= $this->base == $base?" class='treeListSelected'":"";
 279             $link= "onclick=\"\$('bs_rebase_".$this->pid."').value='".base64_encode($base)."';$('submit_tree_base_".$this->pid."').click();\"";
 280
 281             $this->tree.= "<li>".
 282                 "<a$selected $link>".
 283                 $this->gennonbreaks($this->releaseInfo[$base]['name']).
 284                 ($this->releaseInfo[$base]['description']==''?'':'&nbsp;<span class="informal">['.$this->gennonbreaks($this->releaseInfo[$base]['description']).']</span>').
 285                 "</a>";
 286
 287             $last_indent= $indent;
 288             $first= false;
 289         }
 290
 291         // Close tree
 292         for ($i= 1; $i<$last_indent; $i++) {
 293             $this->tree.= "</li></ul>\n";
 294         }
 295         $this->tree.= "</div>\n";
 296
 297         // Draw submitter if required
 298         if ($this->submitButton) {
 299             $this->tree.= image('images/lists/submit.png', "submit_base_".$this->pid, _("Submit"));
 300         }
 301         $this->tree.= "<input type='submit' style='display:none' name='submit_tree_base_".$this->pid."' id='submit_tree_base_".$this->pid."'>";
 302         $this->tree.= "<input type='hidden' name='bs_rebase_".$this->pid."' id='bs_rebase_".$this->pid."'>";
 303         $this->tree.= "<input type='hidden' name='BPID_{$this->pid}' id='BPID_{$this->pid}' value='".$this->pid."'>";
 304
 305         $this->lastState= true;
 306         return true;
 307     }
 308
 309
 310     function gennonbreaks($string)
 311     {
 312         return str_replace('-', '&#8209;', str_replace(' ', '&nbsp;', $string));
 313     }
 314
 315
 316     function render()
 317     {
 318         return $this->tree;
 319     }
 320
 321
 322     function getBase()
 323     {
 324         return $this->base;
 325     }
 326
 327
 328     function getAction()
 329     {
 330         // Do not do anything if this is not our BPID, or there's even no BPID available...
 331         if(!isset($_REQUEST["BPID_{$this->pid}"]) || $_REQUEST["BPID_{$this->pid}"] != $this->pid) {
 332             return;
 333         }
 334
 335         if ($this->action) {
 336             return array("targets" => array($this->base), "action" => $this->action);
 337         }
 338
 339         return null;
 340     }
 341
 342 }
 343
 344 ?>