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class.webpagetree.php
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00001 <?php
00002 /***************************************************************
00003 *  Copyright notice
00004 *
00005 *  (c) 1999-2011 Kasper Skårhøj (kasperYYYY@typo3.com)
00006 *  All rights reserved
00007 *
00008 *  This script is part of the TYPO3 project. The TYPO3 project is
00009 *  free software; you can redistribute it and/or modify
00010 *  it under the terms of the GNU General Public License as published by
00011 *  the Free Software Foundation; either version 2 of the License, or
00012 *  (at your option) any later version.
00013 *
00014 *  The GNU General Public License can be found at
00015 *  http://www.gnu.org/copyleft/gpl.html.
00016 *  A copy is found in the textfile GPL.txt and important notices to the license
00017 *  from the author is found in LICENSE.txt distributed with these scripts.
00018 *
00019 *
00020 *  This script is distributed in the hope that it will be useful,
00021 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00022 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00023 *  GNU General Public License for more details.
00024 *
00025 *  This copyright notice MUST APPEAR in all copies of the script!
00026 ***************************************************************/
00027 /**
00028  * Page navigation tree for the Web module
00029  *
00030  * Revised for TYPO3 3.6 2/2003 by Kasper Skårhøj
00031  * XHTML compliant
00032  *
00033  * @author  Kasper Skårhøj <kasperYYYY@typo3.com>
00034  * @author  Benjamin Mack   <bmack@xnos.org>
00035  *
00036  *
00037  * [CLASS/FUNCTION INDEX of SCRIPT]
00038  *
00039  *
00040  *
00041  *   71: class webPageTree extends t3lib_browseTree
00042  *   81:     function webPageTree()
00043  *   92:     function wrapIcon($icon,&$row)
00044  *  130:     function wrapStop($str,$row)
00045  *  146:     function wrapTitle($title,$row,$bank=0)
00046  *  165:     function printTree($treeArr = '')
00047  *  271:     function PMicon($row,$a,$c,$nextCount,$exp)
00048  *  292:     function PMiconATagWrap($icon, $cmd, $isExpand = true)
00049  *  309:     function getBrowsableTree()
00050  *  377:     function getTree($uid, $depth=999, $depthData='',$blankLineCode='',$subCSSclass='')
00051  *
00052  *
00053  * TOTAL FUNCTIONS: 9
00054  * (This index is automatically created/updated by the extension "extdeveval")
00055  *
00056  */
00057 
00058 
00059 /**
00060  * Extension class for the t3lib_browsetree class, specially made
00061  * for browsing pages in the Web module
00062  *
00063  * @author  Kasper Skårhøj <kasperYYYY@typo3.com>
00064  * @author  Benjamin Mack   <bmack@xnos.org>
00065  * @package TYPO3
00066  * @subpackage core
00067  * @see class t3lib_browseTree
00068  */
00069 class webPageTree extends t3lib_browseTree {
00070 
00071     var $ext_showPageId;
00072     var $ext_IconMode;
00073     var $ext_separateNotinmenuPages;
00074     var $ext_alphasortNotinmenuPages;
00075     var $ajaxStatus = false; // Indicates, whether the ajax call was successful, i.e. the requested page has been found
00076 
00077     /**
00078      * Calls init functions
00079      *
00080      * @return  void
00081      */
00082     function webPageTree() {
00083         $this->init();
00084     }
00085 
00086     /**
00087      * Wrapping icon in browse tree
00088      *
00089      * @param   string      Icon IMG code
00090      * @param   array       Data row for element.
00091      * @return  string      Page icon
00092      */
00093     function wrapIcon($thePageIcon, &$row)  {
00094             // If the record is locked, present a warning sign.
00095         if ($lockInfo=t3lib_BEfunc::isRecordLocked('pages',$row['uid']))    {
00096             $aOnClick = 'alert('.$GLOBALS['LANG']->JScharCode($lockInfo['msg']).');return false;';
00097             $lockIcon='<a href="#" onclick="'.htmlspecialchars($aOnClick).'">'.
00098                 t3lib_iconWorks::getSpriteIcon('status-warning-in-use',array('title'=>htmlspecialchars($lockInfo['msg']))).
00099                 '</a>';
00100         } else $lockIcon = '';
00101 
00102             // Wrap icon in click-menu link.
00103         if (!$this->ext_IconMode)   {
00104             $thePageIcon = $GLOBALS['TBE_TEMPLATE']->wrapClickMenuOnIcon($thePageIcon,'pages',$row['uid'],0,'&bank='.$this->bank);
00105         } elseif (!strcmp($this->ext_IconMode,'titlelink')) {
00106             $aOnClick = 'return jumpTo(\''.$this->getJumpToParam($row).'\',this,\''.$this->treeName.'\');';
00107             $thePageIcon='<a href="#" onclick="'.htmlspecialchars($aOnClick).'">'.$thePageIcon.'</a>';
00108         }
00109 
00110             // Wrap icon in a drag/drop span.
00111         $dragDropIcon = '<span class="dragIcon" id="dragIconID_'.$row['uid'].'">'.$thePageIcon.'</span>';
00112 
00113             // Add Page ID:
00114         $pageIdStr = '';
00115         if ($this->ext_showPageId) {
00116             $pageIdStr = '<span class="dragId">[' . $row['uid'] . ']</span> ';
00117         }
00118 
00119             // Call stats information hook
00120         $stat = '';
00121         if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['GLOBAL']['recStatInfoHooks']))  {
00122             $_params = array('pages',$row['uid']);
00123             foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['GLOBAL']['recStatInfoHooks'] as $_funcRef)  {
00124                 $stat.=t3lib_div::callUserFunction($_funcRef,$_params,$this);
00125             }
00126         }
00127 
00128         return $dragDropIcon.$lockIcon.$pageIdStr.$stat;
00129     }
00130 
00131     /**
00132      * Adds a red "+" to the input string, $str, if the field "php_tree_stop" in the $row (pages) is set
00133      *
00134      * @param   string      Input string, like a page title for the tree
00135      * @param   array       record row with "php_tree_stop" field
00136      * @return  string      Modified string
00137      * @access private
00138      */
00139     function wrapStop($str,$row)    {
00140         if ($row['php_tree_stop'])  {
00141             $str.='<a href="'.htmlspecialchars(t3lib_div::linkThisScript(array('setTempDBmount' => $row['uid']))).'" class="typo3-red">+</a> ';
00142         }
00143         return $str;
00144     }
00145 
00146     /**
00147      * Wrapping $title in a-tags.
00148      *
00149      * @param   string      Title string
00150      * @param   string      Item record
00151      * @param   integer     Bank pointer (which mount point number)
00152      * @return  string
00153      * @access  private
00154      */
00155     function wrapTitle($title,$row,$bank=0) {
00156             // Hook for overriding the page title
00157         if (is_array($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/class.webpagetree.php']['pageTitleOverlay'])) {
00158             $_params = array('title' => &$title, 'row' => &$row);
00159             foreach ($GLOBALS['TYPO3_CONF_VARS']['SC_OPTIONS']['typo3/class.webpagetree.php']['pageTitleOverlay'] as $_funcRef) {
00160                 t3lib_div::callUserFunction($_funcRef, $_params, $this);
00161             }
00162             unset($_params);
00163         }
00164 
00165         $aOnClick = 'return jumpTo(\''.$this->getJumpToParam($row).'\',this,\''.$this->domIdPrefix.$this->getId($row).'\','.$bank.');';
00166         $CSM = '';
00167         if ($GLOBALS['TYPO3_CONF_VARS']['BE']['useOnContextMenuHandler'])   {
00168             $CSM = ' oncontextmenu="'.htmlspecialchars($GLOBALS['TBE_TEMPLATE']->wrapClickMenuOnIcon('','pages',$row['uid'],0,'&bank='.$this->bank,'',TRUE)).';"';
00169         }
00170         $thePageTitle='<a href="#" onclick="'.htmlspecialchars($aOnClick).'"'.$CSM.'>'.$title.'</a>';
00171 
00172             // Wrap title in a drag/drop span.
00173         return '<span class="dragTitle" id="dragTitleID_'.$row['uid'].'">'.$thePageTitle.'</span>';
00174     }
00175 
00176 
00177     /**
00178      * Compiles the HTML code for displaying the structure found inside the ->tree array
00179      *
00180      * @param   array       "tree-array" - if blank string, the internal ->tree array is used.
00181      * @return  string      The HTML code for the tree
00182      */
00183     function printTree($treeArr = '')   {
00184         $titleLen = intval($this->BE_USER->uc['titleLen']);
00185         if (!is_array($treeArr)) {
00186             $treeArr = $this->tree;
00187         }
00188 
00189         $out = '
00190             <!-- TYPO3 tree structure. -->
00191             <ul class="tree" id="treeRoot">
00192         ';
00193 
00194             // -- evaluate AJAX request
00195             // IE takes anchor as parameter
00196         $PM = t3lib_div::_GP('PM');
00197         if(($PMpos = strpos($PM, '#')) !== false) { $PM = substr($PM, 0, $PMpos); }
00198         $PM = explode('_', $PM);
00199         if ((TYPO3_REQUESTTYPE & TYPO3_REQUESTTYPE_AJAX) && is_array($PM) && count($PM) == 4 && $PM[2] != 0) {
00200             if($PM[1])  {
00201                 $expandedPageUid = $PM[2];
00202                 $ajaxOutput = '';
00203                 $invertedDepthOfAjaxRequestedItem = 0; // We don't know yet. Will be set later.
00204                 $doExpand = true;
00205             } else  {
00206                 $collapsedPageUid = $PM[2];
00207                 $doCollapse = true;
00208             }
00209         }
00210 
00211         // we need to count the opened <ul>'s every time we dig into another level,
00212         // so we know how many we have to close when all children are done rendering
00213         $closeDepth = array();
00214 
00215         foreach($treeArr as $k => $v)   {
00216             $classAttr = $v['row']['_CSSCLASS'];
00217             $uid       = $v['row']['uid'];
00218             $idAttr = htmlspecialchars($this->domIdPrefix.$this->getId($v['row']).'_'.$v['bank']);
00219             $itemHTML  = '';
00220 
00221             // if this item is the start of a new level,
00222             // then a new level <ul> is needed, but not in ajax mode
00223             if($v['isFirst'] && !($doCollapse) && !($doExpand && $expandedPageUid == $uid)) {
00224                 $itemHTML = '<ul>';
00225             }
00226 
00227             // add CSS classes to the list item
00228             if($v['hasSub']) { $classAttr .= ($classAttr) ? ' expanded': 'expanded'; }
00229             if($v['isLast']) { $classAttr .= ($classAttr) ? ' last' : 'last';    }
00230 
00231             $itemHTML .='
00232                 <li id="'.$idAttr.'"'.($classAttr ? ' class="'.$classAttr.'"' : '').'><div class="treeLinkItem">'.
00233                     $v['HTML'].
00234                     $this->wrapTitle($this->getTitleStr($v['row'],$titleLen),$v['row'],$v['bank'])."</div>\n";
00235 
00236 
00237             if(!$v['hasSub']) { $itemHTML .= '</li>'; }
00238 
00239             // we have to remember if this is the last one
00240             // on level X so the last child on level X+1 closes the <ul>-tag
00241             if($v['isLast'] && !($doExpand && $expandedPageUid == $uid)) { $closeDepth[$v['invertedDepth']] = 1; }
00242 
00243 
00244             // if this is the last one and does not have subitems, we need to close
00245             // the tree as long as the upper levels have last items too
00246             if($v['isLast'] && !$v['hasSub'] && !$doCollapse && !($doExpand && $expandedPageUid == $uid)) {
00247                 for ($i = $v['invertedDepth']; $closeDepth[$i] == 1; $i++) {
00248                     $closeDepth[$i] = 0;
00249                     $itemHTML .= '</ul></li>';
00250                 }
00251             }
00252 
00253             // ajax request: collapse
00254             if($doCollapse && $collapsedPageUid == $uid) {
00255                 $this->ajaxStatus = true;
00256                 return $itemHTML;
00257             }
00258 
00259             // ajax request: expand
00260             if($doExpand && $expandedPageUid == $uid) {
00261                 $ajaxOutput .= $itemHTML;
00262                 $invertedDepthOfAjaxRequestedItem = $v['invertedDepth'];
00263             } elseif($invertedDepthOfAjaxRequestedItem) {
00264                 if($v['invertedDepth'] < $invertedDepthOfAjaxRequestedItem) {
00265                     $ajaxOutput .= $itemHTML;
00266                 } else {
00267                     $this->ajaxStatus = true;
00268                     return $ajaxOutput;
00269                 }
00270             }
00271 
00272             $out .= $itemHTML;
00273         }
00274 
00275         if($ajaxOutput) {
00276             $this->ajaxStatus = true;
00277             return $ajaxOutput;
00278         }
00279 
00280         // finally close the first ul
00281         $out .= '</ul>';
00282         return $out;
00283     }
00284 
00285 
00286     /**
00287      * Generate the plus/minus icon for the browsable tree.
00288      *
00289      * @param   array       record for the entry
00290      * @param   integer     The current entry number
00291      * @param   integer     The total number of entries. If equal to $a, a "bottom" element is returned.
00292      * @param   integer     The number of sub-elements to the current element.
00293      * @param   boolean     The element was expanded to render subelements if this flag is set.
00294      * @return  string      Image tag with the plus/minus icon.
00295      * @access private
00296      * @see t3lib_pageTree::PMicon()
00297      */
00298     function PMicon($row,$a,$c,$nextCount,$exp) {
00299         $PM   = $nextCount ? ($exp ? 'minus' : 'plus') : 'join';
00300         $BTM  = ($a == $c) ? 'bottom' : '';
00301         $icon = '<img'.t3lib_iconWorks::skinImg($this->backPath,'gfx/ol/'.$PM.$BTM.'.gif','width="18" height="16"').' alt="" />';
00302 
00303         if ($nextCount) {
00304             $cmd = $this->bank.'_'.($exp?'0_':'1_').$row['uid'].'_'.$this->treeName;
00305             $icon = $this->PMiconATagWrap($icon,$cmd,!$exp);
00306         }
00307         return $icon;
00308     }
00309 
00310 
00311     /**
00312      * Wrap the plus/minus icon in a link
00313      *
00314      * @param   string      HTML string to wrap, probably an image tag.
00315      * @param   string      Command for 'PM' get var
00316      * @return  string      Link-wrapped input string
00317      * @access private
00318      */
00319     function PMiconATagWrap($icon, $cmd, $isExpand = true)  {
00320         if ($this->thisScript) {
00321                 // activate dynamic ajax-based tree
00322             $js = htmlspecialchars('Tree.load(\''.$cmd.'\', '.intval($isExpand).', this);');
00323             return '<a class="pm" onclick="'.$js.'">'.$icon.'</a>';
00324         } else {
00325             return $icon;
00326         }
00327     }
00328 
00329 
00330     /**
00331      * Will create and return the HTML code for a browsable tree
00332      * Is based on the mounts found in the internal array ->MOUNTS (set in the constructor)
00333      *
00334      * @return  string      HTML code for the browsable tree
00335      */
00336     function getBrowsableTree() {
00337 
00338             // Get stored tree structure AND updating it if needed according to incoming PM GET var.
00339         $this->initializePositionSaving();
00340 
00341             // Init done:
00342         $titleLen = intval($this->BE_USER->uc['titleLen']);
00343         $treeArr = array();
00344 
00345             // Traverse mounts:
00346         foreach($this->MOUNTS as $idx => $uid)  {
00347 
00348                 // Set first:
00349             $this->bank = $idx;
00350             $isOpen = $this->stored[$idx][$uid] || $this->expandFirst || $uid === '0';
00351 
00352                 // Save ids while resetting everything else.
00353             $curIds = $this->ids;
00354             $this->reset();
00355             $this->ids = $curIds;
00356 
00357                 // Set PM icon for root of mount:
00358             $cmd = $this->bank.'_'.($isOpen? "0_" : "1_").$uid.'_'.$this->treeName;
00359                 // only, if not for uid 0
00360             if ($uid) {
00361                 $icon = '<img' . t3lib_iconWorks::skinImg($this->backPath,'gfx/ol/' . ($isOpen ? 'minus' :'plus' ) . 'only.gif') . ' alt="" />';
00362                 $firstHtml = $this->PMiconATagWrap($icon, $cmd, !$isOpen);
00363             }
00364 
00365                 // Preparing rootRec for the mount
00366             if ($uid)   {
00367                 $rootRec = $this->getRecord($uid);
00368                 $firstHtml.=$this->getIcon($rootRec);
00369             } else {
00370                 // Artificial record for the tree root, id=0
00371                 $rootRec = $this->getRootRecord($uid);
00372                 $firstHtml.=$this->getRootIcon($rootRec);
00373             }
00374 
00375             if (is_array($rootRec)) {
00376                     // In case it was swapped inside getRecord due to workspaces.
00377                 $uid = $rootRec['uid'];
00378 
00379                     // Add the root of the mount to ->tree
00380                 $this->tree[] = array('HTML'=>$firstHtml, 'row'=>$rootRec, 'bank'=>$this->bank, 'hasSub'=>true, 'invertedDepth'=>1000);
00381 
00382                     // If the mount is expanded, go down:
00383                 if ($isOpen)    {
00384                         // Set depth:
00385                     if ($this->addSelfId) { $this->ids[] = $uid; }
00386                     $this->getTree($uid, 999, '', $rootRec['_SUBCSSCLASS']);
00387                 }
00388                     // Add tree:
00389                 $treeArr=array_merge($treeArr,$this->tree);
00390             }
00391         }
00392         return $this->printTree($treeArr);
00393     }
00394 
00395 
00396     /**
00397      * Fetches the data for the tree
00398      *
00399      * @param   integer     item id for which to select subitems (parent id)
00400      * @param   integer     Max depth (recursivity limit)
00401      * @param   string      ? (internal)
00402      * @return  integer     The count of items on the level
00403      */
00404     function getTree($uid, $depth=999, $blankLineCode='', $subCSSclass='') {
00405 
00406             // Buffer for id hierarchy is reset:
00407         $this->buffer_idH = array();
00408 
00409             // Init vars
00410         $depth = intval($depth);
00411         $HTML = '';
00412         $a = 0;
00413 
00414         $res = $this->getDataInit($uid, $subCSSclass);
00415         $c = $this->getDataCount($res);
00416         $crazyRecursionLimiter = 999;
00417 
00418         $inMenuPages = array();
00419         $outOfMenuPages = array();
00420         $outOfMenuPagesTextIndex = array();
00421         while ($crazyRecursionLimiter > 0 && $row = $this->getDataNext($res,$subCSSclass))  {
00422             $crazyRecursionLimiter--;
00423 
00424                 // Not in menu:
00425                 // @TODO: RFC #7370: doktype 2&5 are deprecated since TYPO3 4.2-beta1
00426             if ($this->ext_separateNotinmenuPages &&
00427                 ($row['doktype'] == t3lib_pageSelect::DOKTYPE_HIDE_IN_MENU || $row['doktype'] == t3lib_pageSelect::DOKTYPE_BE_USER_SECTION ||
00428                     $row['doktype'] >= 200 || $row['nav_hide'])) {
00429                 $outOfMenuPages[] = $row;
00430                 $outOfMenuPagesTextIndex[] = ($row['doktype']>=200 ? 'zzz'.$row['doktype'].'_' : '').$row['title'];
00431             } else {
00432                 $inMenuPages[] = $row;
00433             }
00434         }
00435 
00436         $label_shownAlphabetically = "";
00437         if (count($outOfMenuPages)) {
00438                 // Sort out-of-menu pages:
00439             $outOfMenuPages_alphabetic = array();
00440             if ($this->ext_alphasortNotinmenuPages) {
00441                 asort($outOfMenuPagesTextIndex);
00442                 $label_shownAlphabetically = " (alphabetic)";
00443             }
00444             foreach($outOfMenuPagesTextIndex as $idx => $txt)   {
00445                 $outOfMenuPages_alphabetic[] = $outOfMenuPages[$idx];
00446             }
00447 
00448                 // Merge:
00449             $outOfMenuPages_alphabetic[0]['_FIRST_NOT_IN_MENU']=TRUE;
00450             $allRows = array_merge($inMenuPages,$outOfMenuPages_alphabetic);
00451         } else {
00452             $allRows = $inMenuPages;
00453         }
00454 
00455             // Traverse the records:
00456         foreach ($allRows as $row)  {
00457             $a++;
00458 
00459             $newID = $row['uid'];
00460             $this->tree[]=array();    // Reserve space.
00461             end($this->tree);
00462             $treeKey = key($this->tree);    // Get the key for this space
00463             $LN = ($a==$c) ? 'blank' : 'line';
00464 
00465                 // If records should be accumulated, do so
00466             if ($this->setRecs) { $this->recs[$row['uid']] = $row; }
00467 
00468                 // Accumulate the id of the element in the internal arrays
00469             $this->ids[]=$idH[$row['uid']]['uid'] = $row['uid'];
00470             $this->ids_hierarchy[$depth][] = $row['uid'];
00471 
00472                 // Make a recursive call to the next level
00473             if ($depth > 1 && $this->expandNext($newID) && !$row['php_tree_stop'])  {
00474                 $nextCount=$this->getTree(
00475                     $newID,
00476                     $depth-1,
00477                     $blankLineCode.','.$LN,
00478                     $row['_SUBCSSCLASS']
00479                 );
00480                 if (count($this->buffer_idH)) { $idH[$row['uid']]['subrow']=$this->buffer_idH; }
00481                 $exp = 1; // Set "did expand" flag
00482             } else {
00483                 $nextCount = $this->getCount($newID);
00484                 $exp = 0; // Clear "did expand" flag
00485             }
00486 
00487                 // Set HTML-icons, if any:
00488             if ($this->makeHTML)    {
00489                 if ($row['_FIRST_NOT_IN_MENU']) {
00490                     $HTML = '<img'.t3lib_iconWorks::skinImg($this->backPath,'gfx/ol/line.gif').' alt="" /><br/><img'.t3lib_iconWorks::skinImg($this->backPath,'gfx/ol/line.gif').' alt="" /><i>Not shown in menu'.$label_shownAlphabetically.':</i><br>';
00491                 } else {
00492                     $HTML = '';
00493                 }
00494 
00495                 $HTML.= $this->PMicon($row,$a,$c,$nextCount,$exp);
00496                 $HTML.= $this->wrapStop($this->getIcon($row),$row);
00497             }
00498 
00499                 // Finally, add the row/HTML content to the ->tree array in the reserved key.
00500             $this->tree[$treeKey] = array(
00501                 'row'    => $row,
00502                 'HTML'   => $HTML,
00503                 'hasSub' => $nextCount&&$this->expandNext($newID),
00504                 'isFirst'=> $a==1,
00505                 'isLast' => false,
00506                 'invertedDepth'=> $depth,
00507                 'blankLineCode'=> $blankLineCode,
00508                 'bank' => $this->bank
00509             );
00510         }
00511 
00512         if($a) { $this->tree[$treeKey]['isLast'] = true; }
00513 
00514         $this->getDataFree($res);
00515         $this->buffer_idH = $idH;
00516         return $c;
00517     }
00518 }
00519 
00520 if (defined('TYPO3_MODE') && isset($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['typo3/class.webpagetree.php'])) {
00521     include_once($GLOBALS['TYPO3_CONF_VARS'][TYPO3_MODE]['XCLASS']['typo3/class.webpagetree.php']);
00522 }
00523 
00524 ?>