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<?php
/*
* MV_EditStreamPage.php Created on Nov 28, 2007
*
* All Metavid Wiki code is Released Under the GPL2
* for more info visit http:/metavid.ucsc.edu/code
*
* @author Michael Dale
* @email dale@ucsc.edu
* @url http://metavid.ucsc.edu
*/
//edit stream adds some additional form items (if admin)
//enables inline editing of media files
//enables
//enables "protected" metadata ie strips all
//occurrences of semantic property from page (such as stream duration)
class MV_EditStreamPage extends EditPage{
var $mv_action='';
var $status_error='';
var $status_ok='';
function edit(){
global $wgOut, $wgUser, $wgHooks;
//check permission if admin show 'edit files'
if( $wgUser->isAllowed('mv_edit_stream') ){
//add in the edit stream ajax form:
//$wgHooks['EditPage::showEditForm:fields'][] = array($this, 'displayEditStreamFiles');
$this->displayEditStreamFiles();
}
if($this->mv_action=='new_stream_file'|| $this->mv_action=='edit_stream_files'){
//make the request look like a GET
//that way we don't run importFormData with empty POST
$_SERVER['REQUEST_METHOD']='GET';
}
parent::edit();
}
/*put thrown together quickly... could clean up/simplify*/
function displayEditStreamFiles(){
global $wgOut, $wgTitle,$wgScriptPath,$wgRequest;
$html='';
$streamFiles = $this->mArticle->mvTitle->mvStream->getFileList();
//proccess the requested changes
$this->proccessReq($streamFiles);
if($this->status_error!='')$html.='<span class="error">'.$this->status_error.'</span><br />';
if($this->status_ok!='')$html.=$this->status_ok . '<br />';
if(count($streamFiles)==0){
$html.='<b>'.wfMsg('mv_no_stream_files').'</b>';
}else{
$html.='<form action="'.$wgRequest->getRequestURL().'" method="POST">';
$html.='<input type="hidden" name="mv_action" value="edit_stream_files">';
$html.= '<fieldset><legend>'.wfMsg('mv_file_list').'</legend>' . "\n";
$html.= '<table width="600" border="0">';
$html.='</tr><tr>';
$outHeader=true;
$remove_link=true;
foreach($streamFiles as $sf){
$html.= $this->getStreamFileForm($sf, $outHeader, $remove_link);
$outHeader=false;
}
$html.='<tr><td colspan=4>';
$html.='<input type="submit" value="'.wfMsg('mv_save_changes').'">';
$html.='</td></tr>';
$html .='</table></fieldset>';
$html.='</form>';
}
//add new stream:
$html.='<form action="'.$wgRequest->getRequestURL().'" method="POST">';
$html.='<input type="hidden" name="mv_action" value="new_stream_file">';
$html.= '<fieldset><legend>'.wfMsg('mv_add_stream_file').'</legend>' . "\n";
$html.= '<table width="600" border="0">';
$html.= $this->getStreamFileForm(array('id'=>'new'));
$html.='<tr><td>';
$html.='<input type="submit" value="'.wfMsg('mv_add_stream_file').'">';
$html.='</td></tr>';
$html .='</table></fieldset>';
$html .='</form>';
$wgOut->addHTML($html);
return true;
}
function proccessReq(& $streamFiles){
global $wgRequest, $wgUser;
//make sure the user can edit streams:
if(!$wgUser->isAllowed('mv_edit_stream'))return ;
$this->mv_action = $wgRequest->getVal('mv_action');
if($this->mv_action=='new_stream_file'){
//@@todo a bit more input scrubbing:
$newSf = new MV_StreamFile($this->mArticle->mvTitle->mvStream, $_POST['sf_new']);
//check against existing stream files:
$doAdd=true;
foreach($streamFiles as $sf){
if($sf->file_desc_msg== $newSf->file_desc_msg){
$this->status_error = wfMsg('mv_file_with_same_desc', $newSf->file_desc_msg);
$doAdd=false;
}
}
if($doAdd){
$newSf->writeStreamFileDB();
$streamFiles[]=$newSf;
}
}else if($this->mv_action=='edit_stream_files'){
foreach($streamFiles as $sf){
if($_POST['sf_'.$sf->id]){
$sf->updateValues($_POST['sf_'.$sf->id]);
$sf->writeStreamFileDB();
}
}
$this->status_ok = wfMsg('mv_updated_stream_files');
}else if($this->mv_action=='rm_stream_file'){
$rmID = $wgRequest->getVal('rid');
foreach($streamFiles as $inx=>$sf){
if($sf->id==$rmID){
$sf->deleteStreamFileDB();
$this->status_ok = wfMsg('mv_removed_file_stream', $sf->file_desc_msg);
unset($streamFiles[$inx]);
}
}
}
}
function getStreamFileForm($sf, $output_header=true, $remove_link=false){
global $mvgScriptPath;
if($output_header){
$html.='<tr>';
if($remove_link)$html.='<td></td>';
//titles:
$html.='<td>'.wfMsg('mv_file_desc_label').'</td>';
$html.='<td>'.wfMsg('mv_duration_label').'</td>';
$html.='<td>'.wfMsg('mv_base_offset_label').'</td>';
$html.='<td>'.wfMsg('mv_path_type_label').'</td>';
$html.='<td>'.wfMsg('mv_media_path').'</td>';
$html.='</tr>';
}
//make it an array and assign default values: (maybe not so optimal)
if(is_object($sf))$sf=get_object_vars($sf);
if(!isset($sf['id']))$sf['id']='new';
if(!isset($sf['stream_id']))$sf['stream_id']=$this->mArticle->mvTitle->mvStream->getStreamId();
if(!isset($sf['base_offset']))$sf['base_offset']=0;
if(!isset($sf['duration']))$sf['duration']=0;
if(!isset($sf['file_desc_msg']))$sf['file_desc_msg']='mv_ogg_low_quality';
if(!isset($sf['path_type']))$sf['path_type']='url_anx';
if(!isset($sf['path']))$sf['path']='';
$html.='<tr>';
if($remove_link){
global $wgRequest;
$html.='<td><a title="'.wfMsg('mv_delete_stream_file').'"' .
' href="'.$wgRequest->getRequestURL().'&mv_action=rm_stream_file&rid='.$sf['id'].'"><img src="'.$mvgScriptPath.'/skins/images/delete.png"></a></td>';
}
$html.='<td><input type="text" name="sf_'.$sf['id'].'[file_desc_msg]" value="'.$sf['file_desc_msg'].'" maxlength="60" size="20" /></td>';
$html.='<td><input type="text" name="sf_'.$sf['id'].'[duration]" value="'.$sf['duration'].'" maxlength="11" size="7" /></td>';
$html.='<td><input type="text" name="sf_'.$sf['id'].'[base_offset]" value="'.$sf['base_offset'].'" maxlength="11" size="7" /></td>';
$html.='<td><select name="sf_'.$sf['id'].'[path_type]">';
$sel=($sf['path_type']=='url_anx')?' selected':'';
$html.='<option value="url_anx"'.$sel.'>'.wfMsg('mv_path_type_url_anx').'</option>' .
$sel=($sf['path_type']=='wiki_title')?' selected':'';
$html.='<option value="wiki_title"'.$sel.'>'.wfMsg('mv_path_type_wiki_title').'</option>' .
'</select></td>';
$html.='<td><input type="text" name="sf_'.$sf['id'].'[path]" value="'.$sf['path'].'" maxlength="250" size="50" />' .
'<input type="hidden" name="sf_'.$sf['id'].'[stream_id]" value="'.$sf['stream_id'].'">'.
'</td>';
$html.='</tr>';
return $html;
}
}
?>
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