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68 lines
No EOL
2.7 KiB
PHP
68 lines
No EOL
2.7 KiB
PHP
<?php // $Id$
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//
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// This function provides automatic linking to data contents of text
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// fields where these fields have autolink enabled.
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//
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// Original code by Williams, Stronk7, Martin D.
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// Modified for data module by Vy-Shane SF.
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function data_filter($courseid, $text) {
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global $CFG;
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static $nothingtodo;
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static $contentlist;
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if (!empty($nothingtodo)) { // We've been here in this page already
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return $text;
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}
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// if we don't have a courseid, we can't run the query, so
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if (empty($courseid)) {
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return $text;
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}
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// Create a list of all the resources to search for. It may be cached already.
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if (empty($contentlist)) {
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// We look for text field contents only, and only if the field has
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// autolink enabled (param1).
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$sql = 'SELECT DISTINCT(dc.id) AS contentid, ' .
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'dr.id AS recordid, ' .
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'dc.content AS content, ' .
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'd.id AS dataid ' .
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'FROM data AS d, ' .
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'data_fields AS df, ' .
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'data_records AS dr, ' .
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'data_content AS dc ' .
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"WHERE d.course = '$courseid' " .
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'AND d.id = df.dataid ' .
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'AND d.id = dr.dataid ' .
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'AND dr.id = dc.recordid ' .
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"AND df.type = 'text' " .
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'AND df.param1 = 1';
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if (!$datacontents = recordset_to_array(get_recordset_sql($sql))) {
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return $text;
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}
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$contentlist = array();
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foreach ($datacontents as $datacontent) {
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$currentcontent = trim($datacontent->content);
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$strippedcontent = strip_tags($currentcontent);
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if (!empty($strippedcontent)) {
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$contentlist[] = new filterobject(
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$currentcontent,
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'<a class="data autolink" title="'.
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$strippedcontent.'" href="'.
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$CFG->wwwroot.'/mod/data/view.php?d='. $datacontent->dataid .
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'&rid='. $datacontent->recordid .'" target="'.
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$CFG->framename.'">',
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'</a>', false, true);
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}
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} // End foreach
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}
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return filter_phrases($text, $contentlist); // Look for all these links in the text
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}
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?>
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