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

adminsetting.class.php

@@ -0,0 +1,44 @@
+<?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/>.
+
+/**
+ * Creates an upload form on the settings page.
+ *
+ * @package    mod_customcert
+ * @copyright  2013 Mark Nelson <markn@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+require_once($CFG->libdir.'/adminlib.php');
+require_once($CFG->dirroot.'/mod/customcert/upload_image_form.php');
+
+/**
+ * Class extends admin setting class to allow/process an uploaded file
+ */
+class mod_customcert_admin_setting_upload extends admin_setting_configtext {
+
+    /**
+     * Output the link to the upload image page.
+     *
+     * @param mixed $data
+     * @param string $query
+     * @return string
+     */
+    public function output_html($data, $query = '') {
+        return format_admin_setting($this, $this->visiblename,
+            html_writer::link(new moodle_url('/mod/customcert/upload_image.php'), get_string('upload')),
+                $this->description, true, '', null, $query);
+    }
+}

edit.php

@@ -159,7 +159,7 @@ $mform = new mod_customcert_edit_form('', array('customcertid' => $customcert->i
 
 if ($data = $mform->get_data()) {
     // Handle file uploads.
-    customcert_upload_imagefiles($data->customcertimage);
+    customcert_upload_imagefiles($data->customcertimage, context_course::instance($course->id)->id);
 
     // Save any page data.
     customcert_save_page_data($data);

edit_form.php

@@ -101,7 +101,7 @@ class mod_customcert_edit_form extends moodleform {
 
         // 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, $this->filemanageroptions);
+        file_prepare_draft_area($draftitemid, context_course::instance($this->_customdata['course']->id)->id, 'mod_customcert', 'image', 0, $this->filemanageroptions);
         $element = $mform->getElement('customcertimage');
         $element->setValue($draftitemid);
 

element/image/lib.php

@@ -141,17 +141,28 @@ class customcert_element_image extends customcert_element_base {
      * @return array the list of images that can be used
      */
     public static function get_images() {
+        global $COURSE;
+
         // Create file storage object.
         $fs = get_file_storage();
 
         // The array used to store the images.
         $arrfiles = array();
-        $arrfiles[0] = get_string('noimage', 'customcert');
+        // Loop through the files uploaded in the system context.
         if ($files = $fs->get_area_files(context_system::instance()->id, 'mod_customcert', 'image', false, 'filename', false)) {
             foreach ($files as $hash => $file) {
                 $arrfiles[$hash] = $file->get_filename();
             }
         }
+        // Loop through the files uploaded in the course context.
+        if ($files = $fs->get_area_files(context_course::instance($COURSE->id)->id, 'mod_customcert', 'image', false, 'filename', false)) {
+            foreach ($files as $hash => $file) {
+                $arrfiles[$hash] = $file->get_filename();
+            }
+        }
+
+        customcert_perform_asort($arrfiles);
+        $arrfiles = array_merge(array('0' => get_string('noimage', 'customcert')), $arrfiles);
 
         return $arrfiles;
     }

element/image/version.php

@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die('Direct access to this script is forbidden.');
 
-$plugin->version   = 2013062800;
+$plugin->version   = 2013090900;
 $plugin->requires  = 2012120300; // Requires this Moodle version.
 $plugin->component = 'customcertelement_image';

lang/en/customcert.php

@@ -95,6 +95,8 @@ $string['templatename'] = 'Template name';
 $string['templatenameexists'] = 'That template name is currently in use, please choose another.';
 $string['type'] = 'Type';
 $string['uploadimage'] = 'Upload image';
+$string['uploadimagedesc'] = 'This link will take you to a new screen where you will be able to upload images. Images uploaded using
+this method will be available throughout your site to all users who are able to create a custom certificate.';
 $string['viewcustomcertissues'] = 'View {$a} issued custom certificates';
 $string['width'] = 'Width';
 $string['width_help'] = 'This is the width of the certificate PDF in mm. For reference an A4 piece of paper is 210mm wide and a letter is 216mm wide.';

lib.php

@@ -362,10 +362,11 @@ function customcert_extend_settings_navigation(settings_navigation $settings, na
  * Handles uploading an image for the customcert module.
  *
  * @param int $draftitemid the draft area containing the files
+ * @param int $contextid the context we are storing this image in
  */
-function customcert_upload_imagefiles($draftitemid) {
+function customcert_upload_imagefiles($draftitemid, $contextid) {
     // Save the file if it exists that is currently in the draft area.
-    file_save_draft_area_files($draftitemid, context_system::instance()->id, 'mod_customcert', 'image', 0);
+    file_save_draft_area_files($draftitemid, $contextid, 'mod_customcert', 'image', 0);
 }
 
 /**

settings.php

@@ -0,0 +1,30 @@
+<?php
+// This file is part of the Certificate 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/>.
+
+/**
+ * Creates a link to the upload form on the settings page.
+ *
+ * @package    mod_customcert
+ * @copyright  2013 Mark Nelson <markn@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die;
+
+require_once($CFG->dirroot.'/mod/customcert/adminsetting.class.php');
+
+$settings->add(new mod_customcert_admin_setting_upload('customcert/uploadimage',
+    get_string('uploadimage', 'customcert'), get_string('uploadimagedesc', 'customcert'), ''));

upload_image.php

@@ -0,0 +1,57 @@
+<?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/>.
+
+/**
+ * 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
+ */
+
+require('../../config.php');
+require_once($CFG->dirroot.'/mod/customcert/lib.php');
+require_once($CFG->dirroot.'/mod/customcert/upload_image_form.php');
+
+require_login();
+
+$context = context_system::instance();
+require_capability('moodle/site:config', $context);
+
+$struploadimage = get_string('uploadimage', 'customcert');
+
+$PAGE->set_url('/admin/settings.php', array('section' => 'modsettingcustomcert'));
+$PAGE->set_pagetype('admin-setting-modsettingcustomcert');
+$PAGE->set_pagelayout('admin');
+$PAGE->set_context($context);
+$PAGE->set_title($struploadimage);
+$PAGE->set_heading($SITE->fullname);
+$PAGE->navbar->add($struploadimage);
+
+$uploadform = new mod_customcert_upload_image_form();
+
+if ($uploadform->is_cancelled()) {
+    redirect(new moodle_url('/admin/settings.php?section=modsettingcustomcert'));
+} else if ($data = $uploadform->get_data()) {
+    // Handle file uploads.
+    customcert_upload_imagefiles($data->customcertimage, $context->id);
+
+    redirect(new moodle_url('/mod/customcert/upload_image.php'), get_string('changessaved'));
+}
+
+echo $OUTPUT->header();
+$uploadform->display();
+echo $OUTPUT->footer();

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);
+    }
+}