dirroot.'/mod/data/lib.php');
class data_field_file extends data_field_base {// extends
function data_field_file($fid=0){
parent::data_field_base($fid);
}
/* the content field is store as this
* content = a ## b where a is the filename,
* b is the display file name
*/
var $type = 'file';
var $id;
function insert_field($dataid, $type='file', $name, $des){
$newfield = new object;
$newfield->dataid = $dataid;
$newfield->type = $type;
$newfield->name = $name;
$newfield->description = $des;
if (!insert_record('data_fields',$newfield)){
notify('Insertion of new field failed!');
}
}
function display_add_field($id, $rid=0){
global $CFG, $course;
if (!$field = get_record('data_fields','id',$id)){
notify("that is not a valid field id!");
exit;
}
if ($rid){
$datacontent = get_record('data_content','fieldid',$id,'recordid',$rid);
if (isset($datacontent->content)){
$content = $datacontent->content;
$contents[0] = $datacontent->content;
$contents[1] = $datacontent->content1;
}else {
$contents = array();
$contents[0]='';
$contents[1]='';
}
$src = empty($contents[0])? '':$contents[0];
$name = empty($contents[1])? $src:$contents[1];
$displayname = empty($contents[1])? '':$contents[1];
if ($CFG->slasharguments) {
$source = $CFG->wwwroot.'/file.php/'.$course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$rid;
} else {
$source = $CFG->wwwroot.'/file.php?file=/'.$course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$rid;
}
}
else {
$displayname = '';
$name = '';
$src = '';
$source = '';
}
$str = '';
if ($field->description){
$str .= '
';
}
$str .= '';
$str .= get_string('file','data'). ':
';
$str .= get_string('optionalfilename','data').':
';
$str .= '';
//print icon
if ($rid and isset($content)){
require_once($CFG->libdir.'/filelib.php');
$icon = mimeinfo('icon', $src);
$str .= '
'.
''.$name.'';
}
return $str;
}
function display_edit_field($id, $mode=0){
parent::display_edit_field($id, $mode);
}
function display_browse_field($fieldid, $recordid, $template) {
global $CFG, $USER, $course;
$field = get_record('data_fields', 'id', $fieldid);
if ($content = get_record('data_content', 'fieldid', $fieldid, 'recordid', $recordid)){
$contents[0] = $content->content;
$contents[1] = $content->content1;
$src = empty($contents[0])? '':$contents[0];
$name = empty($contents[1])? $src:$contents[1];
if ($CFG->slasharguments) {
$source = $CFG->wwwroot.'/file.php/'.$course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$recordid;
} else {
$source = $CFG->wwwroot.'/file.php?file=/'.$course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$recordid;
}
$width = $field->param1 ? ' width = "'.$field->param1.'" ':' ';
$height = $field->param2 ? ' height = "'.$field->param2.'" ':' ';
require_once($CFG->libdir.'/filelib.php');
$icon = mimeinfo('icon', $src);
$str = ' '.
''.$name.'';
return $str;
}
return false;
}
function update($fieldobject){
if (!update_record('data_fields',$fieldobject)){
notify ('upate failed');
}
}
function store_data_content($fieldid, $recordid, $value, $name=''){
global $CFG, $course;
$content = new object;
$content->fieldid = $fieldid;
$content->recordid = $recordid;
$field = get_record('data_fields','id',$fieldid);
$names = explode('_',$name);
switch ($names[2]){
case 0: //file just uploaded
$filename = $_FILES[$names[0].'_'.$names[1]];
$filename = $filename['name'];
$dir = $course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$recordid;
/************ FILE MANAGER HERE ***************/
require_once('../../lib/uploadlib.php');
$um = new upload_manager($names[0].'_'.$names[1],true,false,$course,false,$field->param3);
if ($um->process_file_uploads($dir)) { //write to content
$newfile_name = $um->get_new_filename();
$content->content = $newfile_name;
insert_record('data_content',$content);
}
break;
case 1: //only changing alt tag
if ($oldcontent = get_record('data_content','fieldid', $fieldid, 'recordid', $recordid)){
$content->id = $oldcontent ->id;
$content->content1 = clean_param($value, PARAM_NOTAGS);
update_record('data_content',$content);
}
break;
default:
break;
} //close switch
}
function update_data_content($fieldid, $recordid, $value, $name){
//if data_content already exit, we update
global $CFG,$course;
if ($oldcontent = get_record('data_content','fieldid', $fieldid, 'recordid', $recordid)){
$content = new object;
$content->fieldid = $fieldid;
$content->recordid = $recordid;
$content->id = $oldcontent->id;
$names = explode('_',$name);
$field = get_record('data_fields','id',$fieldid);
switch ($names[2]){
case 0: //file just uploaded
$filename = $_FILES[$names[0].'_'.$names[1]];
$filename = $filename['name'];
$dir = $course->id.'/'.$CFG->moddata.'/data/'.$field->dataid.'/'.$field->id.'/'.$recordid;
//only use the manager if file is present, to avoid "are you sure you selected a file to upload" msg
if ($filename){
/************ FILE MANAGER HERE ***************/
require_once('../../lib/uploadlib.php');
$um = new upload_manager($names[0].'_'.$names[1],true,false,$course,false,$field->param3);
if ($um->process_file_uploads($dir)) {
//write to content
$newfile_name = $um->get_new_filename();
$content->content = $newfile_name;
$content->content1 = $oldcontent->content1;
update_record('data_content',$content);
}
}
break;
case 1: //only changing alt tag
$content->content = $oldcontent->content;
$content->content1 = clean_param($value, PARAM_NOTAGS);
update_record('data_content', $content);
break;
default:
break;
} //close switch
}
else { //make 1 if there isn't one already
$this->store_data_content($fieldid, $recordid, $value, $name);
}
}
function notemptyfield($value, $name){
$names = explode('_',$name);
if ($names[2] == '0'){
$filename = $_FILES[$names[0].'_'.$names[1]];
return !empty($filename['name']); //if there's a file in $_FILES, not empty
}
return false;
}
function delete_data_contents() {
// Delete the content files first.
$sql = 'SELECT dc.content AS content, '.
'df.dataid AS dataid, '.
'dc.recordid AS recordid '.
'FROM data_fields AS df, '.
'data_content AS dc '.
"WHERE df.id = {$this->id} ".
"AND dc.fieldid = {$this->id}";
if (!$results = recordset_to_array(get_recordset_sql($sql))) {
return false;
}
foreach ($results as $result) {
$this->delete_data_content_files($result->dataid, $result->recordid, $result->content);
}
// Then delete the data_content records.
return delete_records('data_content', 'fieldid', $this->id);
}
function delete_data_content_files($dataid, $recordid, $content){
global $CFG, $course;
$filepath = $CFG->dataroot.'/'.$course->id.'/'.$CFG->moddata.'/data/'.$dataid.'/'.$this->id.'/'.$recordid;
unlink($filepath . '/' . $content);
rmdir($filepath);
notify ($content.' deleted');
}
}
?>