sintonia/livesupport/modules/htmlUI/var/ui_playlist.class.php

302 lines
10 KiB
PHP
Executable File

<?php
class uiPlaylist
{
function uiPlaylist(&$uiBase)
{
$this->Base =& $uiBase;
$this->activeId =& $_SESSION[UI_PLAYLIST_SESSNAME]['activeId'];
$this->token =& $_SESSION[UI_PLAYLIST_SESSNAME]['token'];
$this->reloadUrl = UI_BROWSER.'?popup[]=_reload_parent&popup[]=_close';
}
function setReload()
{
$this->Base->redirUrl = $this->reloadUrl;
}
function get()
{
if (!$this->activeId) {
return FALSE;
}
#echo '<pre><div align="left">'; print_r( $this->Base->gb->getPlaylistArray($this->activeId, $this->Base->sessid)); echo '</div></pre>';
return $this->Base->gb->getPlaylistArray($this->activeId, $this->Base->sessid);
}
function activate($plid)
{
# test if PL available
# look PL
# store access token to ls_pref abd session
# load PL into session
if($this->token) {
$this->Base->_retMsg('You have an Playlist already activated,\n first close it');
return FALSE;
}
if(($userid = $this->Base->gb->playlistIsAvailable($plid, $this->Base->sessid)) !== TRUE) {
$this->Base->_retMsg('Playlist is looked by $1', $this->Base->gb->getSubjName($userid));
return FALSE;
}
$this->token = $this->Base->gb->lockPlaylistForEdit($plid, $this->Base->sessid);
$this->Base->gb->savePref($this->Base->sessid, UI_PL_ACCESSTOKEN_KEY, $plid.':'.$this->token);
$this->activeId = $plid;
$this->Base->_retMsg('Playlist "$1" activated', $this->Base->_getMDataValue($plid, UI_MDATA_KEY_TITLE));
return TRUE;
}
function release()
{
# get token from ls_pref
# release PL
# delete PL from session
# remove token from ls_pref
if(!$this->token) {
$this->Base->_retMsg('No Playlist is looked by You');
return FALSE;
}
$plgunid = $this->Base->gb->releaseLockedPlaylist($this->token, $this->Base->sessid);
if (PEAR::isError($plgunid)) {
$this->Base->_retMsg('Unable to release Playlist');
return FALSE;
}
$this->Base->_retMsg('Playlist "$1" released', $this->Base->_getMDataValue($this->Base->gb->_idFromGunid($plgunid), UI_MDATA_KEY_TITLE));
$this->activeId = NULL;
$this->token = NULL;
$this->Base->gb->delPref($this->Base->sessid, UI_PL_ACCESSTOKEN_KEY);
return TRUE;
}
function revert()
{
if(!$this->token) {
$this->Base->_retMsg('No Playlist is looked by You');
return FALSE;
}
$plgunid = $this->Base->gb->revertEditedPlaylist($this->token, $this->Base->sessid);
if (PEAR::isError($plgunid)) {
$this->Base->_retMsg('Unable to revert to looked state');
return FALSE;
}
$this->Base->_retMsg('Playlist "$1" reverted and released', $this->Base->_getMDataValue($this->Base->gb->_idFromGunid($plgunid), UI_MDATA_KEY_TITLE));
$this->activeId = NULL;
$this->token = NULL;
$this->Base->gb->delPref($this->Base->sessid, UI_PL_ACCESSTOKEN_KEY);
return TRUE;
}
function loadLookedFromPref()
{
if(is_string($saved = $this->Base->gb->loadPref($this->Base->sessid, UI_PL_ACCESSTOKEN_KEY))) {
$this->Base->_retMsg('Found Playlist looked by you');
#$this->release();
list ($this->activeId, $this->token) = explode (':', $saved);
$this->Base->redirUrl = UI_BROWSER.'?popup[]=_2PL.simpleManagement&popup[]=_close';
return TRUE;
}
return FALSE;
}
function addItem($id)
{
if ($this->Base->gb->addAudioClipToPlaylist($this->token, $id, $this->Base->sessid) === FALSE) {
$this->Base_retMsg('Cannot add Item to Playlist');
return FALSE;
}
return TRUE;
}
function removeItem($elemIds)
{
if (!$elemIds) {
$this->Base->_retMsg('No Item(s) given');
return FALSE;
}
if (!is_array($elemIds))
$elemIds = array($elemIds);
foreach ($elemIds as $elemId) {
if ($this->Base->gb->delAudioClipFromPlaylist($this->token, $elemId, $this->Base->sessid) !== TRUE) {
$this->Base->_retMsg('Cannot remove Item from Playlist');
return FALSE;
}
}
return TRUE;
}
function create($id=FALSE)
{
# create PL
# activate
# add clip if given
if (is_array($this->activeId)) {
$this->Base->_retMsg('Already active Playlist');
return FALSE;
}
$datetime = date('Y-m-d H:i:s');
if (!$plid = $this->Base->gb->createPlaylist($this->Base->homeid, $datetime, $this->Base->sessid)) {
$this->Base->_retMsg('Cannot create Playlist');
return FALSE;
}
$this->Base->_setMDataValue($plid, 'dc:title', $datetime);
if ($this->activate($plid)===FALSE) {
return FALSE;
}
if ($id!==FALSE) {
if ($this->addItem($id)!==TRUE) {
return FALSE;
}
}
return $plid;
}
function getFlat()
{
$this->plwalk($this->get());
#echo '<pre><div align="left">'; print_r($this->flat); echo '</div></pre>';
return $this->flat;
}
function plwalk($arr, $parent=0, $attrs=0)
{
foreach ($arr['children'] as $node=>$sub) {
if ($sub['elementname']=='playlistelement') {
$this->plwalk($sub, $node, $sub['attrs']);
}
if ($sub['elementname']=='audioclip') {
#$this->flat["$parent.$node"] = $sub['attrs'];
#$this->flat["$parent.$node"]['type'] = $sub['elementname'];
$this->flat[$parent] = $this->Base->_getMetaInfo($this->Base->gb->_idFromGunid($sub['attrs']['id']));
$this->flat[$parent]['attrs'] = $attrs;
}
if ($sub['elementname']=='fadeinfo') {
$this->flat[$parent]['fadein'] = $this->_plTimeToSecs($sub['attrs']['fadein']);
$this->flat[$parent]['fadeout'] = $this->_plTimeToSecs($sub['attrs']['fadeout']);
$this->flat[$parent]['fadein_ms'] = $sub['attrs']['fadein'] ? $this->_plTimeToSecs($sub['attrs']['fadein']) * 1000 : 0;
$this->flat[$parent]['fadeout_ms'] = $sub['attrs']['fadeout'] ? $this->_plTimeToSecs($sub['attrs']['fadeout']) * 1000 : 0;
}
}
}
function changeTransition($id, $type, $duration)
{
$curr = $this->getCurrElement($id);
$prev = $this->getPrevElement($id);
$next = $this->getNextElement($id);
switch ($type) {
case "fadeX":
$item[$prev['attrs']['id']] =
array('fadeIn' => $this->_secsToPlTime($prev['fadein']),
'fadeOut' => $this->_secsToPlTime($duration/1000));
$item[$id] = array('fadeIn' => $this->_secsToPlTime($duration/1000),
'fadeOut' => $this->_secsToPlTime($curr['fadeout']));
break;
case "pause":
$item[$prev['attrs']['id']] =
array('fadeIn' => $this->_secsToPlTime($prev['fadein']),
'fadeOut' => $this->_secsToPlTime(-$duration/1000));
$item[$id] = array('fadeIn' => $this->_secsToPlTime(-$duration/1000),
'fadeOut' => $this->_secsToPlTime($curr['fadeout']));
break;
case "fadeIn":
$item[$id] = array('fadeIn' => $this->_secsToPlTime($duration/1000),
'fadeOut' => $this->_secsToPlTime($curr['fadeout']));
break;
case "fadeOut":
$item[$id] = array('fadeIn' => $this->_secsToPlTime($curr['fadein']),
'fadeOut' => $this->_secsToPlTime($duration/1000));
break;
}
#print_r($item);
foreach ($item as $i=>$val)
$this->Base->gb->changeFadeInfo($this->token, $i, $val['fadeIn'], $val['fadeOut'], $this->Base->sessid);
}
function getCurrElement($id)
{
$arr = $this->getFlat();
while ($val = current($arr)) {
if ($val['attrs']['id'] == $id) {
return current($arr);
}
next($arr);
}
}
function getPrevElement($id)
{
$arr = $this->getFlat();
while ($val = current($arr)) {
if ($val['attrs']['id'] == $id) {
return prev($arr);
}
next($arr);
}
}
function getNextElement($id)
{
$arr = $this->getFlat();
while ($val = current($arr)) {
if ($val['attrs']['id'] == $id) {
return next($arr);
}
next($arr);
}
}
function changeTransitionForm($id, $type, &$mask)
{
switch ($type) {
case "fadeIn":
$d = $this->getCurrElement($id);
$duration = $d['fadein_ms'];
break;
case "transition":
$d = $this->getPrevElement($id);
$duration = $d['fadein_ms'];
break;
case "fadeOut":
$d = $this->getCurrElement($id);
$duration = $d['fadeout_ms'];
break;
}
$form = new HTML_QuickForm('PL_changeTransition', UI_STANDARD_FORM_METHOD, UI_HANDLER);
$form->setConstants(array('id' => $id,
'duration' => $duration));
$this->Base->_parseArr2Form($form, $mask[$type]);
$this->Base->_parseArr2Form($form, $mask['all']);
$renderer =& new HTML_QuickForm_Renderer_Array(true, true);
$form->accept($renderer);
return $renderer->toArray();
}
function _plTimeToSecs($plt, $length=4)
{
$arr = split(':', $plt);
if(isset($arr[2])){ return ($arr[0]*60 + $arr[1])*60 + $arr[2]; }
if(isset($arr[1])){ return $arr[0]*60 + $arr[1]; }
return $arr[0];
}
function _secsToPlTime($s0)
{
$m = intval($s0 / 60);
$r = $s0 - $m*60;
$h = $m / 60;
$m = $m % 60;
return sprintf("%02d:%02d:%09.6f", $h, $m, $r);
}
}