mod/data/field/file/field.class.php

   1 <?php  // $Id$
   2 ///////////////////////////////////////////////////////////////////////////
   3 //                                                                       //
   4 // NOTICE OF COPYRIGHT                                                   //
   5 //                                                                       //
   6 // Moodle - Modular Object-Oriented Dynamic Learning Environment         //
   7 //          http://moodle.org                                            //
   8 //                                                                       //
   9 // Copyright (C) 1999-onwards Moodle Pty Ltd  http://moodle.com          //
  10 //                                                                       //
  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.                                   //
  15 //                                                                       //
  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:                          //
  20 //                                                                       //
  21 //          http://www.gnu.org/copyleft/gpl.html                         //
  22 //                                                                       //
  23 ///////////////////////////////////////////////////////////////////////////
  24
  25 class data_field_file extends data_field_base {
  26
  27     var $type = 'file';
  28
  29     function data_field_file($field=0, $data=0) {
  30         parent::data_field_base($field, $data);
  31     }
  32
  33     function display_add_field($recordid=0) {
  34         global $CFG;
  35
  36         if ($recordid){
  37             if ($content = get_record('data_content', 'fieldid', $this->field->id, 'recordid', $recordid)) {
  38                 $contents[0] = $content->content;
  39                 $contents[1] = $content->content1;
  40             } else {
  41                 $contents[0] = '';
  42                 $contents[1] = '';
  43             }
  44
  45             $src         = empty($contents[0]) ? '' : $contents[0];
  46             $name        = empty($contents[1]) ? $src : $contents[1];
  47             $displayname = empty($contents[1]) ? '' : $contents[1];
  48
  49             $path = $this->data->course.'/'.$CFG->moddata.'/data/'.$this->data->id.'/'.$this->field->id.'/'.$recordid;
  50
  51             if ($CFG->slasharguments) {
  52                 $source = $CFG->wwwroot.'/file.php/'.$path;
  53             } else {
  54                 $source = $CFG->wwwroot.'/file.php?file=/'.$path;
  55             }
  56         } else {
  57             $src = '';
  58             $name = '';
  59             $displayname = '';
  60             $source = '';
  61         }
  62
  63         $str = '<div title="' . s($this->field->description) . '">';
  64         $str .= '<fieldset><legend><span class="accesshide">'.$this->field->name.'</span></legend>';
  65         $str .= '<input type="hidden" name ="field_'.$this->field->id.'_file" value="fakevalue" />';
  66         $str .= get_string('file','data'). ' <input type="file" name ="field_'.$this->field->id.'" id="field_'.
  67                             $this->field->id.'" title="'.s($this->field->description).'" /><br />';
  68         $str .= get_string('optionalfilename','data').' <input type="text" name="field_' .$this->field->id.'_filename"
  69                             id="field_'.$this->field->id.'_filename" value="'.s($displayname).'" /><br />';
  70         $str .= '<input type="hidden" name="MAX_FILE_SIZE" value="'.s($this->field->param3).'" />';
  71         $str .= '</fieldset>';
  72         $str .= '</div>';
  73
  74         if ($recordid and isset($content)){                     // Print icon
  75             require_once($CFG->libdir.'/filelib.php');
  76             $icon = mimeinfo('icon', $src);
  77             $str .= '<img src="'.$CFG->pixpath.'/f/'.$icon.'" class="icon" alt="'.$icon.'" />'.
  78                     '<a href="'.$source.'/'.$src.'" >'.$name.'</a>';
  79         }
  80         return $str;
  81     }
  82
  83     function display_search_field($value = '') {
  84         return '<input type="text" size="16" name="f_'.$this->field->id.'" value="'.$value.'" />';
  85     }
  86
  87     function generate_sql($tablealias, $value) {
  88         return " ({$tablealias}.fieldid = {$this->field->id} AND {$tablealias}.content LIKE '%{$value}%') ";
  89     }
  90
  91
  92     function parse_search_field() {
  93         return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS);
  94     }
  95
  96     function display_browse_field($recordid, $template) {
  97
  98         global $CFG;
  99
 100         if ($content = get_record('data_content', 'fieldid', $this->field->id, 'recordid', $recordid)){
 101             $contents[0] = $content->content;
 102             $contents[1] = $content->content1;
 103
 104             $src = empty($contents[0])? '':$contents[0];
 105             $name = empty($contents[1])? $src:$contents[1];
 106
 107             $path = $this->data->course.'/'.$CFG->moddata.'/data/'.$this->data->id.'/'.$this->field->id.'/'.$recordid;
 108
 109             if ($CFG->slasharguments) {
 110                 $source = $CFG->wwwroot.'/file.php/'.$path;
 111             } else {
 112                 $source = $CFG->wwwroot.'/file.php?file=/'.$path;
 113             }
 114
 115             $width = $this->field->param1 ? ' width = "'.s($this->field->param1).'" ':' ';
 116             $height = $this->field->param2 ? ' height = "'.s($this->field->param2).'" ':' ';
 117
 118             require_once($CFG->libdir.'/filelib.php');
 119             $icon = mimeinfo('icon', $src);
 120             $str = '<img src="'.$CFG->pixpath.'/f/'.$icon.'" height="16" width="16" alt="'.$icon.'" />&nbsp;'.
 121                             '<a href="'.$source.'/'.$src.'" >'.$name.'</a>';
 122             return $str;
 123         }
 124         return false;
 125     }
 126
 127
 128 /// content = a ## b where a is the filename, b is the display file name
 129     function update_content($recordid, $value, $name) {
 130         global $CFG;
 131
 132         if (!$oldcontent = get_record('data_content','fieldid', $this->field->id, 'recordid', $recordid)) {
 133         /// Quickly make one now!
 134             $oldcontent = new object;
 135             $oldcontent->fieldid = $this->field->id;
 136             $oldcontent->recordid = $recordid;
 137             if ($oldcontent->id = insert_record('data_content', $oldcontent)) {
 138                 error('Could not make an empty record!');
 139             }
 140         }
 141
 142         $content = new object;
 143         $content->id = $oldcontent->id;
 144
 145         $names = explode('_',$name);
 146         switch ($names[2]) {
 147             case 'file':    //file just uploaded
 148                 //$course = get_course('course', 'id', $this->data->course);
 149
 150                 $filename = $_FILES[$names[0].'_'.$names[1]];
 151                 $filename = $filename['name'];
 152                 $dir = $this->data->course.'/'.$CFG->moddata.'/data/'.$this->data->id.'/'.$this->field->id.'/'.$recordid;
 153
 154                 //only use the manager if file is present, to avoid "are you sure you selected a file to upload" msg
 155                 if ($filename){
 156                     require_once($CFG->libdir.'/uploadlib.php');
 157                     //FIX ME: $course not defined heer!!
 158                     $um = new upload_manager($names[0].'_'.$names[1],true,false,$this->data->course,false,$this->field->param3);
 159                     if ($um->process_file_uploads($dir)) {
 160                         $newfile_name = $um->get_new_filename();
 161                         $content->content = $newfile_name;
 162                         update_record('data_content',$content);
 163                     }
 164                 }
 165                 break;
 166
 167             case 'filename':    //only changing alt tag
 168                 $content->content1 = clean_param($value, PARAM_NOTAGS);
 169                 update_record('data_content', $content);
 170                 break;
 171
 172             default:
 173                 break;
 174         }
 175     }
 176
 177     function notemptyfield($value, $name){
 178         $names = explode('_',$name);
 179         if ($names[2] == 'file'){
 180             $filename = $_FILES[$names[0].'_'.$names[1]];
 181             return !empty($filename['name']);    //if there's a file in $_FILES, not empty
 182         }
 183         return false;
 184     }
 185
 186 }
 187
 188 ?>