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224 lines
9.2 KiB
224 lines
9.2 KiB
<?php
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///////////////////////////////////////////////////////////////////////////
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// //
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// NOTICE OF COPYRIGHT //
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// //
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// Moodle - Modular Object-Oriented Dynamic Learning Environment //
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// http://moodle.org //
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// //
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// Copyright (C) 1999-onwards Moodle Pty Ltd http://moodle.com //
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// //
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// This program is free software; you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation; either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details: //
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// //
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// http://www.gnu.org/copyleft/gpl.html //
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// //
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///////////////////////////////////////////////////////////////////////////
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class data_field_file extends data_field_base {
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var $type = 'file';
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function display_add_field($recordid = 0, $formdata = null) {
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global $DB, $OUTPUT, $PAGE;
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$itemid = null;
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// editing an existing database entry
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if ($formdata) {
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$fieldname = 'field_' . $this->field->id . '_file';
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$itemid = clean_param($formdata->$fieldname, PARAM_INT);
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} else if ($recordid) {
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if (!$content = $DB->get_record('data_content', array('fieldid' => $this->field->id, 'recordid' => $recordid))) {
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// Quickly make one now!
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$content = new stdClass();
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$content->fieldid = $this->field->id;
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$content->recordid = $recordid;
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$id = $DB->insert_record('data_content', $content);
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$content = $DB->get_record('data_content', array('id' => $id));
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}
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file_prepare_draft_area($itemid, $this->context->id, 'mod_data', 'content', $content->id);
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} else {
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$itemid = file_get_unused_draft_itemid();
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}
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// database entry label
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$html = '<div title="' . s($this->field->description) . '">';
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$html .= '<fieldset><legend><span class="accesshide">'.$this->field->name;
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if ($this->field->required) {
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$html .= ' ' . get_string('requiredelement', 'form') . '</span></legend>';
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$image = $OUTPUT->pix_icon('req', get_string('requiredelement', 'form'));
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$html .= html_writer::div($image, 'inline-req');
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} else {
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$html .= '</span></legend>';
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}
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// itemid element
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$html .= '<input type="hidden" name="field_'.$this->field->id.'_file" value="'.s($itemid).'" />';
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$options = new stdClass();
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$options->maxbytes = $this->field->param3;
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$options->maxfiles = 1; // Limit to one file for the moment, this may be changed if requested as a feature in the future.
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$options->itemid = $itemid;
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$options->accepted_types = '*';
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$options->return_types = FILE_INTERNAL | FILE_CONTROLLED_LINK;
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$options->context = $PAGE->context;
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$fm = new form_filemanager($options);
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// Print out file manager.
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$output = $PAGE->get_renderer('core', 'files');
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$html .= '<div class="mod-data-input">';
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$html .= $output->render($fm);
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$html .= '</div>';
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$html .= '</fieldset>';
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$html .= '</div>';
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return $html;
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}
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function display_search_field($value = '') {
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return '<label class="accesshide" for="f_' . $this->field->id . '">' . $this->field->name . '</label>' .
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'<input type="text" size="16" id="f_'.$this->field->id.'" name="f_'.$this->field->id.'" ' .
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'value="'.s($value).'" class="form-control"/>';
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}
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function generate_sql($tablealias, $value) {
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global $DB;
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static $i=0;
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$i++;
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$name = "df_file_$i";
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return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%"));
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}
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public function parse_search_field($defaults = null) {
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$param = 'f_'.$this->field->id;
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if (empty($defaults[$param])) {
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$defaults = array($param => '');
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}
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return optional_param($param, $defaults[$param], PARAM_NOTAGS);
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}
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function get_file($recordid, $content=null) {
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global $DB;
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if (empty($content)) {
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if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
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return null;
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}
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}
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$fs = get_file_storage();
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if (!$file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) {
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return null;
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}
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return $file;
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}
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function display_browse_field($recordid, $template) {
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global $CFG, $DB, $OUTPUT;
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if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) {
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return '';
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}
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if (empty($content->content)) {
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return '';
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}
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if (!$file = $this->get_file($recordid, $content)) {
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return '';
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}
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$name = empty($content->content1) ? $file->get_filename() : $content->content1;
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$src = file_encode_url($CFG->wwwroot.'/pluginfile.php', '/'.$this->context->id.'/mod_data/content/'.$content->id.'/'.$file->get_filename());
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$width = $this->field->param1 ? ' width = "'.s($this->field->param1).'" ':' ';
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$height = $this->field->param2 ? ' height = "'.s($this->field->param2).'" ':' ';
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$str = $OUTPUT->pix_icon(file_file_icon($file), get_mimetype_description($file), 'moodle', array('width' => 16, 'height' => 16)). ' '.
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'<a href="'.$src.'" >'.s($name).'</a>';
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return $str;
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}
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// content: "a##b" where a is the file name, b is the display name
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function update_content($recordid, $value, $name='') {
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global $CFG, $DB, $USER;
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$fs = get_file_storage();
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// Should always be available since it is set by display_add_field before initializing the draft area.
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$content = $DB->get_record('data_content', array('fieldid' => $this->field->id, 'recordid' => $recordid));
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if (!$content) {
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$content = (object)array('fieldid' => $this->field->id, 'recordid' => $recordid);
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$content->id = $DB->insert_record('data_content', $content);
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}
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file_save_draft_area_files($value, $this->context->id, 'mod_data', 'content', $content->id);
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$usercontext = context_user::instance($USER->id);
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$files = $fs->get_area_files($this->context->id, 'mod_data', 'content', $content->id, 'itemid, filepath, filename', false);
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// We expect no or just one file (maxfiles = 1 option is set for the form_filemanager).
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if (count($files) == 0) {
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$content->content = null;
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} else {
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$content->content = array_values($files)[0]->get_filename();
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if (count($files) > 1) {
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// This should not happen with a consistent database. Inform admins/developers about the inconsistency.
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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);
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}
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}
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$DB->update_record('data_content', $content);
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}
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function text_export_supported() {
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return false;
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}
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function file_ok($path) {
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return true;
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}
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/**
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* Custom notempty function
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*
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* @param string $value
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* @param string $name
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* @return bool
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*/
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function notemptyfield($value, $name) {
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global $USER;
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$names = explode('_', $name);
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if ($names[2] == 'file') {
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$usercontext = context_user::instance($USER->id);
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$fs = get_file_storage();
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$files = $fs->get_area_files($usercontext->id, 'user', 'draft', $value);
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return count($files) >= 2;
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}
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return false;
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}
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/**
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* Return the plugin configs for external functions.
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*
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* @return array the list of config parameters
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* @since Moodle 3.3
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*/
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public function get_config_for_external() {
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// Return all the config parameters.
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$configs = [];
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for ($i = 1; $i <= 10; $i++) {
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$configs["param$i"] = $this->field->{"param$i"};
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}
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return $configs;
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}
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}
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