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   1  <?php
   2  
   3  namespace dokuwiki\Ui;
   4  
   5  use dokuwiki\Extension\Event;
   6  
   7  /**
   8   * DokuWiki PageView Interface
   9   *
  10   * @package dokuwiki\Ui
  11   */
  12  class PageView extends Ui
  13  {
  14      protected $text;
  15  
  16      /**
  17       * PageView Ui constructor
  18       *
  19       * @param null|string $text wiki text or null for showing $ID
  20       */
  21      public function __construct($text = null)
  22      {
  23          $this->text = $text;
  24      }
  25  
  26      /**
  27       * Show a wiki page
  28       *
  29       * @return void
  30       * @author   Andreas Gohr <andi@splitbrain.org>
  31       *
  32       * @triggers HTML_SHOWREV_OUTPUT
  33       */
  34      public function show()
  35      {
  36          global $ID;
  37          global $REV;
  38          global $HIGH;
  39          global $INFO;
  40          global $DATE_AT;
  41  
  42          //disable section editing for old revisions or in preview
  43          if ($this->text !== null || $REV) {
  44              $secedit = false;
  45          } else {
  46              $secedit = true;
  47          }
  48  
  49          if ($this->text !== null) {
  50              //PreviewHeader
  51              echo '<br id="scroll__here" />';
  52  
  53              // print intro for preview
  54              echo p_locale_xhtml('preview');
  55              echo '<div class="preview"><div class="pad">';
  56              $html = html_secedit(p_render('xhtml', p_get_instructions($this->text), $info), $secedit);
  57              if ($INFO['prependTOC']) $html = tpl_toc(true) . $html;
  58              echo $html;
  59              echo '<div class="clearer"></div>';
  60              echo '</div></div>';
  61          } else {
  62              if ($REV || $DATE_AT) {
  63                  // print intro for old revisions
  64                  $data = ['rev' => &$REV, 'date_at' => &$DATE_AT];
  65                  Event::createAndTrigger('HTML_SHOWREV_OUTPUT', $data, [$this, 'showrev']);
  66              }
  67              $html = p_wiki_xhtml($ID, $REV, true, $DATE_AT);
  68              $html = html_secedit($html, $secedit);
  69              if ($INFO['prependTOC']) $html = tpl_toc(true) . $html;
  70              $html = html_hilight($html, $HIGH);
  71              echo $html;
  72          }
  73      }
  74  
  75      /**
  76       * Show a revision warning
  77       *
  78       * @author Szymon Olewniczak <dokuwiki@imz.re>
  79       */
  80      public function showrev()
  81      {
  82          echo p_locale_xhtml('showrev');
  83      }
  84  }