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   1  <?php
   2  
   3  namespace dokuwiki\Ui;
   4  
   5  use dokuwiki\Draft;
   6  use dokuwiki\Extension\Event;
   7  use dokuwiki\Form\Form;
   8  
   9  /**
  10   * DokuWiki Page Editor
  11   *
  12   * @package dokuwiki\Ui
  13   */
  14  class Editor extends Ui
  15  {
  16      /**
  17       * Display the Edit Window
  18       * preprocess edit form data
  19       *
  20       * @author   Andreas Gohr <andi@splitbrain.org>
  21       *
  22       * @triggers EDIT_FORM_ADDTEXTAREA
  23       * @return void
  24       */
  25      public function show()
  26      {
  27          global $INPUT;
  28          global $ID;
  29          global $REV;
  30          global $DATE;
  31          global $PRE;
  32          global $SUF;
  33          global $INFO;
  34          global $SUM;
  35          global $lang;
  36          global $conf;
  37          global $TEXT;
  38  
  39          global $license;
  40  
  41          if ($INPUT->has('changecheck')) {
  42              $check = $INPUT->str('changecheck');
  43          } elseif (!$INFO['exists']) {
  44              // $TEXT has been loaded from page template
  45              $check = md5('');
  46          } else {
  47              $check = md5($TEXT);
  48          }
  49          $mod = (md5($TEXT) !== $check);
  50  
  51          $wr = $INFO['writable'] && !$INFO['locked'];
  52  
  53          // intro locale text (edit, rditrev, or read)
  54          if ($wr) {
  55              $intro = ($REV) ? 'editrev' : 'edit';
  56          } else {
  57              // check pseudo action 'source'
  58              if (!actionOK('source')) {
  59                  msg('Command disabled: source', -1);
  60                  return;
  61              }
  62              $intro = 'read';
  63          }
  64  
  65          // create the Editor form
  66          $form = new Form(['id' => 'dw__editform']);
  67          $form->setHiddenField('id', $ID);
  68          $form->setHiddenField('rev', $REV);
  69          $form->setHiddenField('date', $DATE);
  70          $form->setHiddenField('prefix', $PRE .'.');
  71          $form->setHiddenField('suffix', $SUF);
  72          $form->setHiddenField('changecheck', $check);
  73  
  74          // prepare data for EDIT_FORM_ALTERNATE event
  75          $data = array(
  76              'form' => $form,
  77              'wr'   => $wr,
  78              'media_manager' => true,
  79              'target' => ($INPUT->has('target') && $wr) ? $INPUT->str('target') : 'section',
  80              'intro_locale' => $intro,
  81          );
  82  
  83          if ($data['target'] !== 'section') {
  84              // Only emit event if page is writable, section edit data is valid and
  85              // edit target is not section.
  86              Event::createAndTrigger('EDIT_FORM_ADDTEXTAREA', $data, [$this,'addTextarea'], true);
  87          } else {
  88              $this->addTextarea($data);
  89          }
  90  
  91          $form->setHiddenField('target', $data['target']);
  92  
  93          if ($INPUT->has('hid')) {
  94              $form->setHiddenField('hid', $INPUT->str('hid'));
  95          }
  96          if ($INPUT->has('codeblockOffset')) {
  97              $form->setHiddenField('codeblockOffset', $INPUT->str('codeblockOffset'));
  98          }
  99  
 100          $form->addTagOpen('div')->id('wiki__editbar')->addClass('editBar');
 101  
 102          $form->addTagOpen('div')->id('size__ctl');
 103          $form->addTagClose('div');
 104  
 105          if ($wr) {
 106              // add edit buttons: save, preview, cancel
 107              $form->addTagOpen('div')->addClass('editButtons');
 108              $form->addButton('do[save]', $lang['btn_save'])->attr('type', 'submit')
 109                  ->attrs(['accesskey' => 's', 'tabindex' => '4'])
 110                  ->id('edbtn__save');
 111              $form->addButton('do[preview]', $lang['btn_preview'])->attr('type', 'submit')
 112                  ->attrs(['accesskey' => 'p', 'tabindex' => '5'])
 113                  ->id('edbtn__preview');
 114              $form->addButton('do[cancel]', $lang['btn_cancel'])->attr('type', 'submit')
 115                  ->attrs(['tabindex' => '6']);
 116              $form->addTagClose('div'); // close div editButtons class
 117  
 118              // add a textbox for edit summary
 119              $form->addTagOpen('div')->addClass('summary');
 120              $input = $form->addTextInput('summary', $lang['summary'])
 121                  ->attrs(['size' => '50', 'tabindex' => '2'])
 122                  ->id('edit__summary')->addClass('edit')
 123                  ->val($SUM);
 124              $input->getLabel()->attr('class', 'nowrap');
 125  
 126              // adds a checkbox for minor edits for logged in users
 127              if ($conf['useacl'] && $INPUT->server->str('REMOTE_USER')) {
 128                  $form->addHTML(' ');
 129                  $form->addCheckbox('minor', $lang['minoredit'])->id('edit__minoredit')->addClass('nowrap')->val('1');
 130              }
 131              $form->addTagClose('div'); // close div summary class
 132          }
 133  
 134          $form->addTagClose('div'); // close div editBar class
 135  
 136          // license note
 137          if ($wr && $conf['license']) {
 138              $attr = array(
 139                  'href'   => $license[$conf['license']]['url'],
 140                  'rel'    => 'license',
 141                  'class'  => 'urlextern',
 142                  'target' => $conf['target']['extern'] ?: '',
 143              );
 144              $form->addTagOpen('div')->addClass('license');
 145              $form->addHTML($lang['licenseok']
 146                  .' <a '.buildAttributes($attr, true).'>'.$license[$conf['license']]['name'].'</a>'
 147              );
 148              $form->addTagClose('div');
 149          }
 150  
 151          // start editor html output
 152          if ($wr) {
 153              // sets changed to true when previewed
 154              echo '<script>/*<![CDATA[*/'.'textChanged = '. ($mod ? 'true' : 'false') .'/*!]]>*/</script>';
 155          }
 156  
 157          // print intro locale text (edit, rditrev, or read.txt)
 158          if (isset($data['intro_locale'])) {
 159              echo p_locale_xhtml($data['intro_locale']);
 160          }
 161  
 162          echo '<div class="editBox" role="application">';
 163  
 164          echo '<div class="toolbar group">';
 165          echo '<div id="tool__bar" class="tool__bar">';
 166          if ($wr && $data['media_manager']) {
 167              echo '<a href="'.DOKU_BASE.'lib/exe/mediamanager.php?ns='.$INFO['namespace'].'" target="_blank">';
 168              echo $lang['mediaselect'];
 169              echo '</a>';
 170          }
 171          echo '</div>';
 172          echo '</div>';
 173  
 174          echo '<div id="draft__status" class="draft__status">';
 175          $draft = new Draft($ID, $INFO['client']);
 176          if ($draft->isDraftAvailable()) {
 177              echo $draft->getDraftMessage();
 178          }
 179          echo '</div>';
 180  
 181          echo $form->toHTML('Edit');
 182  
 183          echo '</div>'; // close div editBox class
 184      }
 185  
 186      /**
 187       * Display the default edit form (textarea)
 188       *
 189       * the default action for EDIT_FORM_ADDTEXTAREA
 190       *
 191       * @param array{wr: bool, media_manager: bool, target: string, intro_locale: string, form: Form} $data
 192       */
 193      public function addTextarea(&$data)
 194      {
 195          global $TEXT;
 196  
 197          if ($data['target'] !== 'section') {
 198              msg('No editor for edit target '. hsc($data['target']) .' found.', -1);
 199          }
 200  
 201          // set textarea attributes
 202          $attr = array('tabindex' => '1');
 203          if (!$data['wr']) $attr['readonly'] = 'readonly';
 204          $attr['dir']  = 'auto';
 205          $attr['cols'] = '80';
 206          $attr['rows'] = '10';
 207  
 208          $data['form']->addTextarea('wikitext','')->attrs($attr)->val($TEXT)
 209                  ->id('wiki__text')->addClass('edit');
 210      }
 211  
 212  }