2 ///////////////////////////////////////////////////////////////////////////
4 // NOTICE OF COPYRIGHT //
6 // Moodle - Modular Object-Oriented Dynamic Learning Environment //
7 // http://moodle.org //
9 // Copyright (C) 1999-onwards Moodle Pty Ltd http://moodle.com //
11 // This program is free software; you can redistribute it and/or modify //
12 // it under the terms of the GNU General Public License as published by //
13 // the Free Software Foundation; either version 2 of the License, or //
14 // (at your option) any later version. //
16 // This program is distributed in the hope that it will be useful, //
17 // but WITHOUT ANY WARRANTY; without even the implied warranty of //
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
19 // GNU General Public License for more details: //
21 // http://www.gnu.org/copyleft/gpl.html //
23 ///////////////////////////////////////////////////////////////////////////
25 class data_field_file extends data_field_base {
28 function display_add_field($recordid = 0, $formdata = null) {
29 global $CFG, $DB, $OUTPUT, $PAGE, $USER;
34 $fs = get_file_storage();
35 $context = $PAGE->context;
38 // editing an existing database entry
40 $fieldname = 'field_' . $this->field->id . '_file';
41 $itemid = clean_param($formdata->$fieldname, PARAM_INT);
42 } else if ($recordid) {
43 if ($content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
45 file_prepare_draft_area($itemid, $this->context->id, 'mod_data', 'content', $content->id);
47 if (!empty($content->content)) {
48 if ($file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
49 $usercontext = context_user::instance($USER->id);
50 if (!$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $itemid, 'id DESC', false)) {
53 if (empty($content->content1)) {
54 // Print icon if file already exists
55 $src = moodle_url::make_draftfile_url($itemid, '/', $file->get_filename());
56 $displayname = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('class' => 'icon')). '<a href="'.$src.'" >'.s($file->get_filename()).'</a>';
59 $displayname = 'no file added';
65 $itemid = file_get_unused_draft_itemid();
68 // database entry label
69 $html = '<div title="' . s($this->field->description) . '">';
70 $html .= '<fieldset><legend><span class="accesshide">'.$this->field->name;
72 if ($this->field->required) {
73 $html .= ' ' . get_string('requiredelement', 'form') . '</span></legend>';
74 $image = html_writer::img($OUTPUT->pix_url('req'), get_string('requiredelement', 'form'),
75 array('class' => 'req', 'title' => get_string('requiredelement', 'form')));
76 $html .= html_writer::div($image, 'inline-req');
78 $html .= '</span></legend>';
82 $html .= '<input type="hidden" name="field_'.$this->field->id.'_file" value="'.s($itemid).'" />';
84 $options = new stdClass();
85 $options->maxbytes = $this->field->param3;
86 $options->maxfiles = 1; // Limit to one file for the moment, this may be changed if requested as a feature in the future.
87 $options->itemid = $itemid;
88 $options->accepted_types = '*';
89 $options->return_types = FILE_INTERNAL;
90 $options->context = $PAGE->context;
92 $fm = new form_filemanager($options);
93 // Print out file manager.
95 $output = $PAGE->get_renderer('core', 'files');
96 $html .= '<div class="mod-data-input">';
97 $html .= $output->render($fm);
99 $html .= '</fieldset>';
105 function display_search_field($value = '') {
106 return '<label class="accesshide" for="f_' . $this->field->id . '">' . $this->field->name . '</label>' .
107 '<input type="text" size="16" id="f_'.$this->field->id.'" name="f_'.$this->field->id.'" value="'.s($value).'" />';
110 function generate_sql($tablealias, $value) {
115 $name = "df_file_$i";
116 return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%"));
119 function parse_search_field() {
120 return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
123 function get_file($recordid, $content=null) {
125 if (empty($content)) {
126 if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
130 $fs = get_file_storage();
131 if (!$file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
138 function display_browse_field($recordid, $template) {
139 global $CFG, $DB, $OUTPUT;
141 if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
145 if (empty($content->content)) {
149 if (!$file = $this->get_file($recordid, $content)) {
153 $name = empty($content->content1) ? $file->get_filename() : $content->content1;
154 $src = file_encode_url($CFG->wwwroot.'/pluginfile.php', '/'.$this->context->id.'/mod_data/content/'.$content->id.'/'.$file->get_filename());
155 $width = $this->field->param1 ? ' width = "'.s($this->field->param1).'" ':' ';
156 $height = $this->field->param2 ? ' height = "'.s($this->field->param2).'" ':' ';
158 $str = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('width' => 16, 'height' => 16)). ' '.
159 '<a href="'.$src.'" >'.s($name).'</a>';
164 // content: "a##b" where a is the file name, b is the display name
165 function update_content($recordid, $value, $name='') {
166 global $CFG, $DB, $USER;
167 $fs = get_file_storage();
169 if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
171 // Quickly make one now!
172 $content = new stdClass();
173 $content->fieldid = $this->field->id;
174 $content->recordid = $recordid;
175 $id = $DB->insert_record('data_content', $content);
176 $content = $DB->get_record('data_content', array('id'=>$id));
179 file_save_draft_area_files($value, $this->context->id, 'mod_data', 'content', $content->id);
181 $usercontext = context_user::instance($USER->id);
182 $files = $fs->get_area_files($this->context->id, 'mod_data', 'content', $content->id, 'itemid, filepath, filename', false);
184 // We expect no or just one file (maxfiles = 1 option is set for the form_filemanager).
185 if (count($files) == 0) {
186 $content->content = null;
188 $content->content = array_values($files)[0]->get_filename();
189 if (count($files) > 1) {
190 // This should not happen with a consistent database. Inform admins/developers about the inconsistency.
191 debugging('more then one file found in mod_data instance {$this->data->id} file field (field id: {$this->field->id}) area during update data record {$recordid} (content id: {$content->id})', DEBUG_NORMAL);
194 $DB->update_record('data_content', $content);
197 function text_export_supported() {
201 function file_ok($path) {
206 * Custom notempty function
208 * @param string $value
209 * @param string $name
212 function notemptyfield($value, $name) {
215 $names = explode('_', $name);
216 if ($names[2] == 'file') {
217 $usercontext = context_user::instance($USER->id);
218 $fs = get_file_storage();
219 $files = $fs->get_area_files($usercontext->id, 'user', 'draft', $value);
220 return count($files) >= 2;