[Summary view] [Print] [Text view]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle. If not, see <http://www.gnu.org/licenses/>.
  16  
  17  /**
  18   * This file contains all necessary code to define a wiki editor
  19   *
  20   * @package mod_wiki
  21   * @copyright 2009 Marc Alier, Jordi Piguillem [email protected]
  22   * @copyright 2009 Universitat Politecnica de Catalunya http://www.upc.edu
  23   *
  24   * @author Josep Arus
  25   *
  26   * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  27   */
  28  
  29  require_once($CFG->dirroot.'/lib/formslib.php');
  30  require_once($CFG->dirroot.'/lib/form/textarea.php');
  31  
  32  class MoodleQuickForm_wikieditor extends MoodleQuickForm_textarea {
  33  
  34      private $files;
  35  
  36      function MoodleQuickForm_wikieditor($elementName = null, $elementLabel = null, $attributes = null) {
  37          if (isset($attributes['wiki_format'])) {
  38              $this->wikiformat = $attributes['wiki_format'];
  39              unset($attributes['wiki_format']);
  40          }
  41          if (isset($attributes['files'])) {
  42              $this->files = $attributes['files'];
  43              unset($attributes['files']);
  44          }
  45  
  46          parent::MoodleQuickForm_textarea($elementName, $elementLabel, $attributes);
  47      }
  48  
  49      function setWikiFormat($wikiformat) {
  50          $this->wikiformat = $wikiformat;
  51      }
  52  
  53      function toHtml() {
  54          $textarea = parent::toHtml();
  55  
  56          return $this->{
  57              $this->wikiformat."Editor"}
  58              ($textarea);
  59      }
  60  
  61      function creoleEditor($textarea) {
  62          return $this->printWikiEditor($textarea);
  63      }
  64  
  65      function nwikiEditor($textarea) {
  66          return $this->printWikiEditor($textarea);
  67      }
  68  
  69      private function printWikiEditor($textarea) {
  70          global $OUTPUT;
  71  
  72          $textarea = $OUTPUT->container_start().$textarea.$OUTPUT->container_end();
  73  
  74          $buttons = $this->getButtons();
  75  
  76          return $buttons.$textarea;
  77      }
  78  
  79      private function getButtons() {
  80          global $PAGE, $OUTPUT, $CFG;
  81  
  82          $editor = $this->wikiformat;
  83  
  84          $tag = $this->getTokens($editor, 'bold');
  85          $wiki_editor['bold'] = array('ed_bold.gif', get_string('wikiboldtext', 'wiki'), $tag[0], $tag[1], get_string('wikiboldtext', 'wiki'));
  86  
  87          $tag = $this->getTokens($editor, 'italic');
  88          $wiki_editor['italic'] = array('ed_italic.gif', get_string('wikiitalictext', 'wiki'), $tag[0], $tag[1], get_string('wikiitalictext', 'wiki'));
  89  
  90          $imagetag = $this->getTokens($editor, 'image');
  91          $wiki_editor['image'] = array('ed_img.gif', get_string('wikiimage', 'wiki'), $imagetag[0], $imagetag[1], get_string('wikiimage', 'wiki'));
  92  
  93          $tag = $this->getTokens($editor, 'link');
  94          $wiki_editor['internal'] = array('ed_internal.gif', get_string('wikiinternalurl', 'wiki'), $tag[0], $tag[1], get_string('wikiinternalurl', 'wiki'));
  95  
  96          $tag = $this->getTokens($editor, 'url');
  97          $wiki_editor['external'] = array('ed_external.gif', get_string('wikiexternalurl', 'wiki'), $tag, "", get_string('wikiexternalurl', 'wiki'));
  98  
  99          $tag = $this->getTokens($editor, 'list');
 100          $wiki_editor['u_list'] = array('ed_ul.gif', get_string('wikiunorderedlist', 'wiki'), '\\n'.$tag[0], '', '');
 101          $wiki_editor['o_list'] = array('ed_ol.gif', get_string('wikiorderedlist', 'wiki'), '\\n'.$tag[1], '', '');
 102  
 103          $tag = $this->getTokens($editor, 'header');
 104          $wiki_editor['h1'] = array('ed_h1.gif', get_string('wikiheader', 'wiki', 1), '\\n'.$tag.' ', ' '.$tag.'\\n', get_string('wikiheader', 'wiki', 1));
 105          $wiki_editor['h2'] = array('ed_h2.gif', get_string('wikiheader', 'wiki', 2), '\\n'.$tag.$tag.' ', ' '.$tag.$tag.'\\n', get_string('wikiheader', 'wiki', 2));
 106          $wiki_editor['h3'] = array('ed_h3.gif', get_string('wikiheader', 'wiki', 3), '\\n'.$tag.$tag.$tag.' ', ' '.$tag.$tag.$tag.'\\n', get_string('wikiheader', 'wiki', 3));
 107  
 108          $tag = $this->getTokens($editor, 'line_break');
 109          $wiki_editor['hr'] = array('ed_hr.gif', get_string('wikihr', 'wiki'), '\\n'.$tag.'\\n', '', '');
 110  
 111          $tag = $this->getTokens($editor, 'nowiki');
 112          $wiki_editor['nowiki'] = array('ed_nowiki.gif', get_string('wikinowikitext', 'wiki'), $tag[0], $tag[1], get_string('wikinowikitext', 'wiki'));
 113  
 114          $PAGE->requires->js('/mod/wiki/editors/wiki/buttons.js');
 115  
 116          $html = '<div class="wikieditor-toolbar">';
 117          foreach ($wiki_editor as $button) {
 118              $html .= "<a href=\"javascript:insertTags";
 119              $html .= "('".$button[2]."','".$button[3]."','".$button[4]."');\">";
 120              $html .= html_writer::empty_tag('img', array('alt' => $button[1], 'src' => $CFG->wwwroot . '/mod/wiki/editors/wiki/images/' . $button[0]));
 121              $html .= "</a>";
 122          }
 123          $html .= "<label class='accesshide' for='addtags'>" . get_string('insertimage', 'wiki')  . "</label>";
 124          $html .= "<select id='addtags' onchange=\"insertTags('{$imagetag[0]}', '{$imagetag[1]}', this.value)\">";
 125          $html .= "<option value='" . s(get_string('wikiimage', 'wiki')) . "'>" . get_string('insertimage', 'wiki') . '</option>';
 126          foreach ($this->files as $filename) {
 127              $html .= "<option value='".s($filename)."'>";
 128              $html .= $filename;
 129              $html .= '</option>';
 130          }
 131          $html .= '</select>';
 132          $html .= $OUTPUT->help_icon('insertimage', 'wiki');
 133          $html .= '</div>';
 134  
 135          return $html;
 136      }
 137  
 138      private function getTokens($format, $token) {
 139          $tokens = wiki_parser_get_token($format, $token);
 140  
 141          if (is_array($tokens)) {
 142              foreach ($tokens as & $t) {
 143                  $this->escapeToken($t);
 144              }
 145          } else {
 146              $this->escapeToken($tokens);
 147          }
 148  
 149          return $tokens;
 150      }
 151  
 152      private function escapeToken(&$token) {
 153          $token = urlencode(str_replace("'", "\'", $token));
 154      }
 155  }
 156  
 157  //register wikieditor
 158  MoodleQuickForm::registerElementType('wikieditor', $CFG->dirroot."/mod/wiki/editors/wikieditor.php", 'MoodleQuickForm_wikieditor');