Images can now be saved into either the course or system context

upload_image_form.php

@@ -0,0 +1,61 @@
+<?php
+// This file is part of the customcert module for 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/>.
+
+defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
+
+require_once($CFG->libdir.'/formslib.php');
+
+/**
+ * Handles uploading files
+ *
+ * @package    mod_customcert
+ * @copyright  2013 Mark Nelson <markn@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class mod_customcert_upload_image_form extends moodleform {
+
+    /** @var array the filemanager options */
+    private $filemanageroptions = array();
+
+    /**
+     * Form definition.
+     */
+    public function definition() {
+        global $CFG;
+
+        $mform = $this->_form;
+        $this->filemanageroptions = array(
+            'maxbytes' => $CFG->maxbytes,
+            'subdirs' => 1,
+            'accepted_types' => 'image');
+        $mform->addElement('filemanager', 'customcertimage', get_string('uploadimage', 'customcert'), '', $this->filemanageroptions);
+
+        $this->add_action_buttons();
+    }
+
+    /**
+     * Fill in the current page data for this customcert.
+     */
+    public function definition_after_data() {
+        $mform = $this->_form;
+
+        // Editing existing instance - copy existing files into draft area.
+        $draftitemid = file_get_submitted_draft_itemid('customcertimage');
+        file_prepare_draft_area($draftitemid, context_system::instance()->id, 'mod_customcert', 'image', 0, $this->filemanageroptions);
+        $element = $mform->getElement('customcertimage');
+        $element->setValue($draftitemid);
+    }
+}