| [ Index ] |
PHP Cross Reference of Unnamed Project |
[Summary view] [Print] [Text view]
1 <?php 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 var $type = 'file'; 27 28 function display_add_field($recordid = 0, $formdata = null) { 29 global $CFG, $DB, $OUTPUT, $PAGE, $USER; 30 31 $file = false; 32 $content = false; 33 $displayname = ''; 34 $fs = get_file_storage(); 35 $context = $PAGE->context; 36 $itemid = null; 37 38 // editing an existing database entry 39 if ($formdata) { 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'=>$recordid))) { 44 45 file_prepare_draft_area($itemid, $this->context->id, 'mod_data', 'content', $content->id); 46 47 if (!empty($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', $itemid, 'id DESC', false)) { 51 return false; 52 } 53 if (empty($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>'; 57 58 } else { 59 $displayname = 'no file added'; 60 } 61 } 62 } 63 } 64 } else { 65 $itemid = file_get_unused_draft_itemid(); 66 } 67 68 // database entry label 69 $html = '<div title="' . s($this->field->description) . '">'; 70 $html .= '<fieldset><legend><span class="accesshide">'.$this->field->name; 71 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'); 77 } else { 78 $html .= '</span></legend>'; 79 } 80 81 // itemid element 82 $html .= '<input type="hidden" name="field_'.$this->field->id.'_file" value="'.s($itemid).'" />'; 83 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; 91 92 $fm = new form_filemanager($options); 93 // Print out file manager. 94 95 $output = $PAGE->get_renderer('core', 'files'); 96 $html .= '<div class="mod-data-input">'; 97 $html .= $output->render($fm); 98 $html .= '</div>'; 99 $html .= '</fieldset>'; 100 $html .= '</div>'; 101 102 return $html; 103 } 104 105 function display_search_field($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).'" />'; 108 } 109 110 function generate_sql($tablealias, $value) { 111 global $DB; 112 113 static $i=0; 114 $i++; 115 $name = "df_file_$i"; 116 return array(" ({$tablealias}.fieldid = {$this->field->id} AND ".$DB->sql_like("{$tablealias}.content", ":$name", false).") ", array($name=>"%$value%")); 117 } 118 119 function parse_search_field() { 120 return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS); 121 } 122 123 function get_file($recordid, $content=null) { 124 global $DB; 125 if (empty($content)) { 126 if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) { 127 return null; 128 } 129 } 130 $fs = get_file_storage(); 131 if (!$file = $fs->get_file($this->context->id, 'mod_data', 'content', $content->id, '/', $content->content)) { 132 return null; 133 } 134 135 return $file; 136 } 137 138 function display_browse_field($recordid, $template) { 139 global $CFG, $DB, $OUTPUT; 140 141 if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) { 142 return ''; 143 } 144 145 if (empty($content->content)) { 146 return ''; 147 } 148 149 if (!$file = $this->get_file($recordid, $content)) { 150 return ''; 151 } 152 153 $name = empty($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).'" ':' '; 157 158 $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>'; 160 return $str; 161 } 162 163 164 // content: "a##b" where a is the file name, b is the display name 165 function update_content($recordid, $value, $name='') { 166 global $CFG, $DB, $USER; 167 $fs = get_file_storage(); 168 169 if (!$content = $DB->get_record('data_content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid))) { 170 171 // 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)); 177 } 178 179 file_save_draft_area_files($value, $this->context->id, 'mod_data', 'content', $content->id); 180 181 $usercontext = context_user::instance($USER->id); 182 $files = $fs->get_area_files($this->context->id, 'mod_data', 'content', $content->id, 'itemid, filepath, filename', false); 183 184 // We expect no or just one file (maxfiles = 1 option is set for the form_filemanager). 185 if (count($files) == 0) { 186 $content->content = null; 187 } else { 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); 192 } 193 } 194 $DB->update_record('data_content', $content); 195 } 196 197 function text_export_supported() { 198 return false; 199 } 200 201 function file_ok($path) { 202 return true; 203 } 204 205 /** 206 * Custom notempty function 207 * 208 * @param string $value 209 * @param string $name 210 * @return bool 211 */ 212 function notemptyfield($value, $name) { 213 global $USER; 214 215 $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; 221 } 222 return false; 223 } 224 225 }
title
Description
Body
title
Description
Body
title
Description
Body
title
Body
| Generated: Thu Aug 11 10:00:09 2016 | Cross-referenced by PHPXref 0.7.1 |