filter_filter_tips

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modules/filter/filter.module, строка 171

Версии
5 – 6
filter_filter_tips($delta, $format, $long = FALSE)

Реализация hook_filter_tips().

Код

<?php
function filter_filter_tips($delta, $format, $long = FALSE) {
  global $base_url;
  switch ($delta) {
    case 0:
      if (variable_get("filter_html_$format", FILTER_HTML_STRIP) == FILTER_HTML_STRIP) {
        if ($allowed_html = variable_get("allowed_html_$format", '<a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>')) {
          switch ($long) {
            case 0:
              return t('Allowed HTML tags: @tags', array('@tags' => $allowed_html));
            case 1:
              $output = '<p>'. t('Allowed HTML tags: @tags', array('@tags' => $allowed_html)) .'</p>';
              if (!variable_get("filter_html_help_$format", 1)) {
                return $output;
              }

              $output .= t('
<p>This site allows HTML content. While learning all of HTML may feel intimidating, learning how to use a very small number of the most basic HTML "tags" is very easy. This table provides examples for each tag that is enabled on this site.</p>
<p>For more information see W3C\'s <a href="http://www.w3.org/TR/html/">HTML Specifications</a> or use your favorite search engine to find other sites that explain HTML.</p>');
              $tips = array(
                'a' => array( t('Anchors are used to make links to other pages.'), '<a href="'. $base_url .'">'. variable_get('site_name', 'Drupal') .'</a>'),
                'br' => array( t('By default line break tags are automatically added, so use this tag to add additional ones. Use of this tag is different because it is not used with an open/close pair like all the others. Use the extra " /" inside the tag to maintain XHTML 1.0 compatibility'), t('Text with <br />line break')),
                'p' => array( t('By default paragraph tags are automatically added, so use this tag to add additional ones.'), '<p>'. t('Paragraph one.') .'</p> <p>'. t('Paragraph two.') .'</p>'),
                'strong' => array( t('Strong'), '<strong>'. t('Strong') .'</strong>'),
                'em' => array( t('Emphasized'), '<em>'. t('Emphasized') .'</em>'),
                'cite' => array( t('Cited'), '<cite>'. t('Cited') .'</cite>'),
                'code' => array( t('Coded text used to show programming source code'), '<code>'. t('Coded') .'</code>'),
                'b' => array( t('Bolded'), '<b>'. t('Bolded') .'</b>'),
                'u' => array( t('Underlined'), '<u>'. t('Underlined') .'</u>'),
                'i' => array( t('Italicized'), '<i>'. t('Italicized') .'</i>'),
                'sup' => array( t('Superscripted'), t('<sup>Super</sup>scripted')),
                'sub' => array( t('Subscripted'), t('<sub>Sub</sub>scripted')),
                'pre' => array( t('Preformatted'), '<pre>'. t('Preformatted') .'</pre>'),
                'abbr' => array( t('Abbreviation'), t('<abbr title="Abbreviation">Abbrev.</abbr>')),
                'acronym' => array( t('Acronym'), t('<acronym title="Three-Letter Acronym">TLA</acronym>')),
                'blockquote' => array( t('Block quoted'), '<blockquote>'. t('Block quoted') .'</blockquote>'),
                'q' => array( t('Quoted inline'), '<q>'. t('Quoted inline') .'</q>'),
                // Assumes and describes tr, td, th.
                'table' => array( t('Table'), '<table> <tr><th>'. t('Table header') .'</th></tr> <tr><td>'. t('Table cell') .'</td></tr> </table>'),
                'tr' => NULL, 'td' => NULL, 'th' => NULL,
                'del' => array( t('Deleted'), '<del>'. t('Deleted') .'</del>'),
                'ins' => array( t('Inserted'), '<ins>'. t('Inserted') .'</ins>'),
                 // Assumes and describes li.
                'ol' => array( t('Ordered list - use the &lt;li&gt; to begin each list item'), '<ol> <li>'. t('First item') .'</li> <li>'. t('Second item') .'</li> </ol>'),
                'ul' => array( t('Unordered list - use the &lt;li&gt; to begin each list item'), '<ul> <li>'. t('First item') .'</li> <li>'. t('Second item') .'</li> </ul>'),
                'li' => NULL,
                // Assumes and describes dt and dd.
                'dl' => array( t('Definition lists are similar to other HTML lists. &lt;dl&gt; begins the definition list, &lt;dt&gt; begins the definition term and &lt;dd&gt; begins the definition description.'), '<dl> <dt>'. t('First term') .'</dt> <dd>'. t('First definition') .'</dd> <dt>'. t('Second term') .'</dt> <dd>'. t('Second definition') .'</dd> </dl>'),
                'dt' => NULL, 'dd' => NULL,
                'h1' => array( t('Header'), '<h1>'. t('Title') .'</h1>'),
                'h2' => array( t('Header'), '<h2>'. t('Subtitle') .'</h2>'),
                'h3' => array( t('Header'), '<h3>'. t('Subtitle three') .'</h3>'),
                'h4' => array( t('Header'), '<h4>'. t('Subtitle four') .'</h4>'),
                'h5' => array( t('Header'), '<h5>'. t('Subtitle five') .'</h5>'),
                'h6' => array( t('Header'), '<h6>'. t('Subtitle six') .'</h6>')
              );
              $header = array(t('Tag Description'), t('You Type'), t('You Get'));
              preg_match_all('/<([a-z0-9]+)[^a-z0-9]/i', $allowed_html, $out);
              foreach ($out[1] as $tag) {
                if (array_key_exists($tag, $tips)) {
                  if ($tips[$tag]) {
                    $rows[] = array(
                      array('data' => $tips[$tag][0], 'class' => 'description'),
                      array('data' => '<code>'. check_plain($tips[$tag][1]) .'</code>', 'class' => 'type'),
                      array('data' => $tips[$tag][1], 'class' => 'get')
                    );
                  }
                }
                else {
                  $rows[] = array(
                    array('data' => t('No help provided for tag %tag.', array('%tag' => $tag)), 'class' => 'description', 'colspan' => 3),
                  );
                }
              }
              $output .= theme('table', $header, $rows);

              $output .= t('
<p>Most unusual characters can be directly entered without any problems.</p>
<p>If you do encounter problems, try using HTML character entities. A common example looks like &amp;amp; for an ampersand &amp; character. For a full list of entities see HTML\'s <a href="http://www.w3.org/TR/html4/sgml/entities.html">entities</a> page. Some of the available characters include:</p>');
              $entities = array(
                array( t('Ampersand'), '&amp;'),
                array( t('Greater than'), '&gt;'),
                array( t('Less than'), '&lt;'),
                array( t('Quotation mark'), '&quot;'),
              );
              $header = array(t('Character Description'), t('You Type'), t('You Get'));
              unset($rows);
              foreach ($entities as $entity) {
                $rows[] = array(
                  array('data' => $entity[0], 'class' => 'description'),
                  array('data' => '<code>'. check_plain($entity[1]) .'</code>', 'class' => 'type'),
                  array('data' => $entity[1], 'class' => 'get')
                );
              }
              $output .= theme('table', $header, $rows);
              return $output;
          }
        }
        else {
          return t('No HTML tags allowed');
        }
      }
      break;

    case 1:
      switch ($long) {
        case 0:
          return t('Lines and paragraphs break automatically.');
        case 1:
          return t('Lines and paragraphs are automatically recognized. The &lt;br /&gt; line break, &lt;p&gt; paragraph and &lt;/p&gt; close paragraph tags are inserted automatically. If paragraphs are not recognized simply add a couple blank lines.');
      }
      break;
    case 2:
      return t('Web page addresses and e-mail addresses turn into links automatically.');
  }
}
?>
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