context;
$itemid = null;
// editing an existing database entry
if ($formdata) {
$fieldname = 'field_' . $this->field->id . '_file';
$itemid = clean_param($formdata->$fieldname, PARAM_INT);
} else if ($recordid) {
if ($content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
file_prepare_draft_area($itemid, $this->context->id, 'mod_data', 'content', $content->id);
if (!empty($content->content)) {
if ($file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
$usercontext = context_user::instance($USER->id);
if (!$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $itemid, 'id DESC', false)) {
return false;
}
if (empty($content->content1)) {
// Print icon if file already exists
$src = moodle_url::make_draftfile_url($itemid, '/', $file->get_filename());
$displayname = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('class' => 'icon')). ''.s($file->get_filename()).'';
} else {
$displayname = 'no file added';
}
}
}
}
} else {
$itemid = file_get_unused_draft_itemid();
}
// database entry label
$html = '
';
$html .= '
';
$html .= '
';
return $html;
}
function display_search_field($value = '') {
return '' .
'';
}
function generate_sql($tablealias, $value) {
global $DB;
static $i=0;
$i++;
$name = "df_file_$i";
return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%"));
}
function parse_search_field() {
return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
}
function get_file($recordid, $content=null) {
global $DB;
if (empty($content)) {
if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
return null;
}
}
$fs = get_file_storage();
if (!$file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
return null;
}
return $file;
}
function display_browse_field($recordid, $template) {
global $CFG, $DB, $OUTPUT;
if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
return '';
}
if (empty($content->content)) {
return '';
}
if (!$file = $this->get_file($recordid, $content)) {
return '';
}
$name = empty($content->content1) ? $file->get_filename() : $content->content1;
$src = file_encode_url($CFG->wwwroot.'/pluginfile.php', '/'.$this->context->id.'/mod_data/content/'.$content->id.'/'.$file->get_filename());
$width = $this->field->param1 ? ' width = "'.s($this->field->param1).'" ':' ';
$height = $this->field->param2 ? ' height = "'.s($this->field->param2).'" ':' ';
$str = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('width' => 16, 'height' => 16)). ' '.
''.s($name).'';
return $str;
}
// content: "a##b" where a is the file name, b is the display name
function update_content($recordid, $value, $name='') {
global $CFG, $DB, $USER;
$fs = get_file_storage();
if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
// Quickly make one now!
$content = new stdClass();
$content->fieldid = $this->field->id;
$content->recordid = $recordid;
$id = $DB->insert_record('data_content', $content);
$content = $DB->get_record('data_content', array('id'=>$id));
}
file_save_draft_area_files($value, $this->context->id, 'mod_data', 'content', $content->id);
$usercontext = context_user::instance($USER->id);
$files = $fs->get_area_files($this->context->id, 'mod_data', 'content', $content->id, 'itemid, filepath, filename', false);
// We expect no or just one file (maxfiles = 1 option is set for the form_filemanager).
if (count($files) == 0) {
$content->content = null;
} else {
$content->content = array_values($files)[0]->get_filename();
if (count($files) > 1) {
// This should not happen with a consistent database. Inform admins/developers about the inconsistency.
debugging('more then one file found in mod_data instance {$this->data->id} file field (field id: {$this->field->id}) area during update data record {$recordid} (content id: {$content->id})', DEBUG_NORMAL);
}
}
$DB->update_record('data_content', $content);
}
function text_export_supported() {
return false;
}
function file_ok($path) {
return true;
}
/**
* Custom notempty function
*
* @param string $value
* @param string $name
* @return bool
*/
function notemptyfield($value, $name) {
global $USER;
$names = explode('_', $name);
if ($names[2] == 'file') {
$usercontext = context_user::instance($USER->id);
$fs = get_file_storage();
$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $value);
return count($files) >= 2;
}
return false;
}
}