--- /dev/null
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Database activity filter post install hook
+ *
+ * @package filter
+ * @subpackage data
+ * @copyright 2011 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+function xmldb_filter_data_install() {
+ global $DB;
+
+ // If the legacy mod/data filter is installed we need to:
+ // 1- Delete new filter (filter_active and filter_config) information, in order to
+ // 2- Usurpate the identity of the legacy filter by moving all its
+ // information to filter/data
+ // If the legacy mod/data filter was not installed, no action is needed
+ if ($DB->record_exists('filter_active', array('filter' => 'mod/data'))) {
+ $DB->delete_records('filter_active', array('filter' => 'filter/data'));
+ $DB->set_field('filter_active', 'filter', 'filter/data', array('filter' => 'mod/data'));
+ }
+}
--- /dev/null
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * This filter provides automatic linking to database activity entries
+ * when found inside every Moodle text.
+ *
+ * @package filter
+ * @subpackage data
+ * @copyright 2006 Vy-Shane Sin Fat
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Database activity filtering
+ */
+class filter_data extends moodle_text_filter {
+
+ public function filter($text, array $options = array()) {
+ global $CFG, $DB;
+
+ // Trivial-cache - keyed on $cachedcontextid
+ static $cachedcontextid;
+ static $contentlist;
+
+ static $nothingtodo;
+
+ // Try to get current course
+ if (!$courseid = get_courseid_from_context($this->context)) {
+ $courseid = 0;
+ }
+
+ // Initialise/invalidate our trivial cache if dealing with a different context
+ if (!isset($cachedcontextid) || $cachedcontextid !== $this->context->id) {
+ $cachedcontextid = $this->context->id;
+ $contentlist = array();
+ $nothingtodo = false;
+ }
+
+ if ($nothingtodo === true) {
+ return $text;
+ }
+
+ // Create a list of all the resources to search for. It may be cached already.
+ if (empty($contentlist)) {
+ $coursestosearch = $courseid ? array($courseid) : array(); // Add courseid if found
+ if (get_site()->id != $courseid) { // Add siteid if was not courseid
+ $coursestosearch[] = get_site()->id;
+ }
+ // We look for text field contents only if have autolink enabled (param1)
+ list ($coursesql, $params) = $DB->get_in_or_equal($coursestosearch);
+ $sql = 'SELECT dc.id AS contentid, dr.id AS recordid, dc.content AS content, d.id AS dataid
+ FROM {data} d
+ JOIN {data_fields} df ON df.dataid = d.id
+ JOIN {data_records} dr ON dr.dataid = d.id
+ JOIN {data_content} dc ON dc.fieldid = df.id AND dc.recordid = dr.id
+ WHERE d.course ' . $coursesql . '
+ AND df.type = \'text\'
+ AND ' . $DB->sql_compare_text('df.param1', 1) . ' = 1';
+
+ if (!$contents = $DB->get_records_sql($sql, $params)) {
+ $nothingtodo = true;
+ return $text;
+ }
+
+ foreach ($contents as $key => $content) {
+ // Trim empty or unlinkable concepts
+ $currentcontent = trim(strip_tags($content->content));
+ if (empty($currentcontent)) {
+ unset($contents[$key]);
+ continue;
+ } else {
+ $contents[$key]->content = $currentcontent;
+ }
+
+ // Rule out any small integers. See bug 1446
+ $currentint = intval($currentcontent);
+ if ($currentint && (strval($currentint) == $currentcontent) && $currentint < 1000) {
+ unset($contents[$key]);
+ }
+ }
+
+ if (empty($contents)) {
+ $nothingtodo = true;
+ return $text;
+ }
+
+ usort($contents, 'filter_data::sort_entries_by_length');
+
+ foreach ($contents as $content) {
+ $href_tag_begin = '<a class="data autolink dataid'.$content->dataid.'" title="'.$content->content.'" '.
+ 'href="'.$CFG->wwwroot.'/mod/data/view.php?d='.$content->dataid.
+ '&rid='.$content->recordid.'">';
+ $contentlist[] = new filterobject($content->content, $href_tag_begin, '</a>', false, true);
+ }
+
+ $contentlist = filter_remove_duplicates($contentlist); // Clean dupes
+ }
+ return filter_phrases($text, $contentlist); // Look for all these links in the text
+ }
+
+ private static function sort_entries_by_length($content0, $content1) {
+ $len0 = strlen($content0->content);
+ $len1 = strlen($content1->content);
+
+ if ($len0 < $len1) {
+ return 1;
+ } else if ($len0 > $len1) {
+ return -1;
+ } else {
+ return 0;
+ }
+ }
+}
--- /dev/null
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Strings for filter_data
+ *
+ * @package filter
+ * @subpackage data
+ * @copyright 2011 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$string['filtername'] = 'Database auto-linking';
--- /dev/null
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Data activity filter version information
+ *
+ * @package filter
+ * @subpackage data
+ * @copyright 2011 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+$plugin->version = 2011102800;
+$plugin->requires = 2011102700; // Requires this Moodle version
+$plugin->component= 'filter_data';
+
+$plugin->dependencies = array('mod_data' => 2011102800);
+++ /dev/null
-<?php
- //
- // This function provides automatic linking to data contents of text
- // fields where these fields have autolink enabled.
- //
- // Original code by Williams, Stronk7, Martin D.
- // Modified for data module by Vy-Shane SF.
-
- function data_filter($courseid, $text) {
- global $CFG, $DB;
-
- static $nothingtodo;
- static $contentlist;
-
- if (!empty($nothingtodo)) { // We've been here in this page already
- return $text;
- }
-
- // if we don't have a courseid, we can't run the query, so
- if (empty($courseid)) {
- return $text;
- }
-
- // Create a list of all the resources to search for. It may be cached already.
- if (empty($contentlist)) {
- // We look for text field contents only, and only if the field has
- // autolink enabled (param1).
- $sql = 'SELECT dc.id AS contentid, ' .
- 'dr.id AS recordid, ' .
- 'dc.content AS content, ' .
- 'd.id AS dataid ' .
- 'FROM {data} d, ' .
- '{data_fields} df, ' .
- '{data_records} dr, ' .
- '{data_content} dc ' .
- "WHERE (d.course = ? or d.course = '".SITEID."')" .
- 'AND d.id = df.dataid ' .
- 'AND df.id = dc.fieldid ' .
- 'AND d.id = dr.dataid ' .
- 'AND dr.id = dc.recordid ' .
- "AND df.type = 'text' " .
- "AND " . $DB->sql_compare_text('df.param1', 1) . " = '1'";
-
- if (!$datacontents = $DB->get_records_sql($sql, array($courseid))) {
- return $text;
- }
-
- $contentlist = array();
-
- foreach ($datacontents as $datacontent) {
- $currentcontent = trim($datacontent->content);
- $strippedcontent = strip_tags($currentcontent);
-
- if (!empty($strippedcontent)) {
- $contentlist[] = new filterobject(
- $currentcontent,
- '<a class="data autolink" title="'.
- $strippedcontent.'" href="'.
- $CFG->wwwroot.'/mod/data/view.php?d='. $datacontent->dataid .
- '&rid='. $datacontent->recordid .'">',
- '</a>', false, true);
- }
- } // End foreach
- }
- return filter_phrases($text, $contentlist); // Look for all these links in the text
- }
-
-
<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
-////////////////////////////////////////////////////////////////////////////////
-// Code fragment to define the module version etc.
-// This fragment is called by /admin/index.php
-////////////////////////////////////////////////////////////////////////////////
-
-$module->version = 2011052300;
-$module->requires = 2011052300; // Requires this Moodle version
-$module->cron = 60;
+/**
+ * Data module version information
+ *
+ * @package mod
+ * @subpackage data
+ * @copyright 2005 onwards Martin Dougiamas {@link http://moodle.com}
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+defined('MOODLE_INTERNAL') || die();
+$module->version = 2011102800;
+$module->requires = 2011102700; // Requires this Moodle version
+$module->cron = 60; // Period for cron to check this module (secs)
