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265 lines
11 KiB
PHP
265 lines
11 KiB
PHP
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<?php ///Class file for text field, extends field_picture
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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) 2005 Martin Dougiamas http://dougiamas.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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/// Please refer to lib.php for method comments
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global $CFG;
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//load base class
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require_once($CFG->dirroot.'/mod/data/lib.php');
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class data_field_file extends data_field_base {// extends
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function data_field_file($fid=0){
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parent::data_field_base($fid);
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}
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/* the content field is store as this
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* content = a ## b where a is the filename,
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* b is the display file name
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*/
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var $type = 'file';
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var $id;
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function insert_field($dataid, $type='file', $name, $des){
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$newfield = new object;
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$newfield->dataid = $dataid;
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$newfield->type = $type;
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$newfield->name = $name;
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$newfield->description = $des;
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if (!insert_record('data_fields',$newfield)){
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notify('Insertion of new field failed!');
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}
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}
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function display_add_field($id, $rid=0){
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global $CFG, $course;
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if (!$field = get_record('data_fields','id',$id)){
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notify("that is not a valid field id!");
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exit;
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}
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if ($rid){
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$datacontent = get_record('data_content','fieldid',$id,'recordid',$rid);
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if (isset($datacontent->content)){
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$content = $datacontent->content;
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$contents = explode('##',$content);
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}else {
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$contents = array();
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$contents[0]='';
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$contents[1]='';
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}
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$src = empty($contents[0])? '':$contents[0];
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$name = empty($contents[1])? $src:$contents[1];
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$displayname = empty($contents[1])? '':$contents[1];
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if ($CFG->slasharguments) {
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$source = $CFG->wwwroot.'/file.php/'.$course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$rid;
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} else {
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$source = $CFG->wwwroot.'/file.php?file=/'.$course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$rid;
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}
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}
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else {
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$displayname = '';
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$name = '';
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$src = '';
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$source = '';
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}
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$str = '';
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if ($field->description){
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$str .= '<img src="'.$CFG->pixpath.'/help.gif" alt="'.$field->description.'" title="'.$field->description.'"> ';
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}
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$str .= '<input type="hidden" name ="field_'.$field->id.'_0" id="field_'.$field->id.'"_0 value="fakevalue" />';
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$str .= get_string('file','data'). ': <input type="file" name ="field_'.$field->id.'" id="field_'.$field->id.'" /><br />';
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$str .= get_string('optionalfilename','data').': <input type="text" name="field_'
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.$field->id.'_1" id="field_'.$field->id.'_1" value="'.$displayname.'" /><br />';
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$str .= '<input type="hidden" name="MAX_FILE_SIZE" value="'.$field->param4.'" />';
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//print icon
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if ($rid and isset($content)){
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require_once($CFG->libdir.'/filelib.php');
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$icon = mimeinfo('icon', $src);
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$str .= '<img align="absmiddle" src="'.$CFG->pixpath.'/f/'.$icon.'" height="16" width="16" alt="'.$icon.'" /> '.
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'<a href="'.$source.'/'.$src.'" >'.$name.'</a>';
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}
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return $str;
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}
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function display_edit_field($id, $mode=0){
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parent::display_edit_field($id, $mode);
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}
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function display_browse_field($fieldid, $recordid){
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global $CFG, $USER, $course;
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$field = get_record('data_fields', 'id', $fieldid);
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if ($content = get_record('data_content', 'fieldid', $fieldid, 'recordid', $recordid)){
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if (isset($content->content)){
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$contents = explode('##',$content->content);
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}
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$src = empty($contents[0])? '':$contents[0];
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$name = empty($contents[1])? $src:$contents[1];
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if ($CFG->slasharguments) {
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$source = $CFG->wwwroot.'/file.php/'.$course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$recordid;
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} else {
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$source = $CFG->wwwroot.'/file.php?file=/'.$course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$recordid;
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}
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$width = $field->param1 ? ' width = "'.$field->param1.'" ':' ';
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$height = $field->param2 ? ' height = "'.$field->param2.'" ':' ';
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require_once($CFG->libdir.'/filelib.php');
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$icon = mimeinfo('icon', $src);
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$str = '<img align="absmiddle" src="'.$CFG->pixpath.'/f/'.$icon.'" height="16" width="16" alt="'.$icon.'" /> '.
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'<a href="'.$source.'/'.$src.'" >'.$name.'</a>';
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return $str;
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}
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return false;
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}
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function update($fieldobject){
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if (!update_record('data_fields',$fieldobject)){
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notify ('upate failed');
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}
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}
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function store_data_content($fieldid, $recordid, $value, $name=''){
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global $CFG, $course;
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$content = new object;
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$content->fieldid = $fieldid;
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$content->recordid = $recordid;
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$field = get_record('data_fields','id',$fieldid);
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$names = explode('_',$name);
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switch ($names[2]){
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case 0: //file just uploaded
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$filename = $_FILES[$names[0].'_'.$names[1]];
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$filename = $filename['name'];
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$dir = $course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$recordid;
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/************ FILE MANAGER HERE ***************/
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require_once('../../lib/uploadlib.php');
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$um = new upload_manager($names[0].'_'.$names[1],true,false,$course,false,$field->param3);
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if ($um->process_file_uploads($dir)) { //write to content
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$newfile_name = $um->get_new_filename();
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$content->content = $newfile_name.'##';
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insert_record('data_content',$content);
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}
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break;
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case 1: //only changing alt tag
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if ($oldcontent = get_record('data_content','fieldid', $fieldid, 'recordid', $recordid)){
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$content->id = $oldcontent ->id;
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$contents = explode('##',$oldcontent->content);
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$content->content = $contents[0].'##'.clean_param($value, PARAM_NOTAGS);
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update_record('data_content',$content);
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}
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break;
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default:
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break;
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} //close switch
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}
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function update_data_content($fieldid, $recordid, $value, $name){
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//if data_content already exit, we update
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global $CFG,$course;
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if ($oldcontent = get_record('data_content','fieldid', $fieldid, 'recordid', $recordid)){
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$content = new object;
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$content->fieldid = $fieldid;
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$content->recordid = $recordid;
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$content->id = $oldcontent ->id;
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$names = explode('_',$name);
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$field = get_record('data_fields','id',$fieldid);
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$contents = explode('##',$oldcontent->content);
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switch ($names[2]){
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case 0: //file just uploaded
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$filename = $_FILES[$names[0].'_'.$names[1]];
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$filename = $filename['name'];
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$dir = $course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$recordid;
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//only use the manager if file is present, to avoid "are you sure you selected a file to upload" msg
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if ($filename){
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/************ FILE MANAGER HERE ***************/
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require_once('../../lib/uploadlib.php');
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$um = new upload_manager($names[0].'_'.$names[1],true,false,$course,false,$field->param3);
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if ($um->process_file_uploads($dir)) {
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//write to content
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$newfile_name = $um->get_new_filename();
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$content->content = $newfile_name.'##'.$contents[1];
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update_record('data_content',$content);
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}
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}
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break;
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case 1: //only changing alt tag
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$content->content = $contents[0].'##'.clean_param($value, PARAM_NOTAGS);
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update_record('data_content',$content);
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break;
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default:
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break;
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} //close switch
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}
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else { //make 1 if there isn't one already
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$this->store_data_content($fieldid, $recordid, $value, $name);
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}
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}
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function notemptyfield($value, $name){
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$names = explode('_',$name);
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if ($names[2] == '0'){
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$filename = $_FILES[$names[0].'_'.$names[1]];
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return !empty($filename['name']); //if there's a file in $_FILES, not empty
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}
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return false;
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}
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function delete_data_content_files($dataid, $recordid, $content){
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global $CFG, $course;
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$fileinfo = split('##',$content);
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$filepath = $CFG->dataroot.'/'.$course->id.'/'.$CFG->moddata.'/data/'.$dataid.'/'.$this->id.'/'.$recordid;
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unlink($filepath.'/'.$fileinfo[0]);
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rmdir($filepath);
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notify ($fileinfo[0].' deleted');
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}
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}
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?>
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