<?php 
defined('C5_EXECUTE') or die("Access Denied.");
class TnSlideshowBlockController extends BlockController {
 
   var $pobj;
 
   protected $btTable = 'btTnSlideshow';
   protected $btInterfaceWidth = "550";
   protected $btInterfaceHeight = "400";
   protected $btCacheBlockOutput = true;
   protected $btCacheBlockOutputOnPost = true;
   protected $btCacheBlockOutputForRegisteredUsers = true;
 
   public $defaultDuration = 5;   
   public $defaultFadeDuration = 2;   
 
   public $playback = "ORDER";   
 
   /** 
    * Used for localization. If we want to localize the name/description we have to include this
    */
   public function getBlockTypeDescription() {
      return t("Display a running loop of images and thumbnails.");
   }
 
   public function getBlockTypeName() {
      return t("tn3 Slideshow");
   }
 
 
   public function getJavaScriptStrings() {
      return array(
         'choose-file' => t('Choose Image/File'),
         'choose-min-2' => t('Please choose at least two images.'),
         'choose-fileset' => t('Please choose a file set.')
      );
   }
 
   function getFileSetName(){
      $sql = "SELECT fsName FROM FileSets WHERE fsID=".intval($this->fsID);
      $db = Loader::db();
      return $db->getOne($sql); 
   }
 
   function loadFileSet(){
      if (intval($this->fsID) < 1) {
         return false;
      }
        Loader::helper('concrete/file');
      Loader::model('file_attributes');
      Loader::library('file/types');
      Loader::model('file_list');
      Loader::model('file_set');
 
      $ak = FileAttributeKey::getByHandle('height');
 
      $fs = FileSet::getByID($this->fsID);
      $fileList = new FileList();      
      $fileList->filterBySet($fs);
      $fileList->filterByType(FileType::T_IMAGE);   
      $fileList->sortByFileSetDisplayOrder();
 
      $files = $fileList->get(1000,0);
 
 
      $image = array();
      $image['duration'] = $this->duration;
      $image['fadeDuration'] = $this->fadeDuration;
      $image['groupSet'] = 0;
      $image['url'] = '';
      $image['description'] = '';
      $image['title'] = '';
      $images = array();
      $maxHeight = 0;
      foreach ($files as $f) {
         $fp = new Permissions($f);
         if(!$fp->canRead()) { continue; }
         $image['fID']          = $f->getFileID();
         $image['fileName']       = $f->getFileName();
         $image['fullFilePath']    = $f->getPath();
         $image['url']         = $f->getRelativePath();
 
         // find the max height of all the images so slideshow doesn't bounce around while rotating
         $vo = $f->getAttributeValueObject($ak);
         if (is_object($vo)) {
            $image['imgHeight'] = $vo->getValue('height');
         }
         if ($maxHeight == 0 || $image['imgHeight'] > $maxHeight) {
            $maxHeight = $image['imgHeight'];
         }
         $images[] = $image;
      }
      $this->images = $images;
 
   }
 
   function loadImages(){
      if(intval($this->bID)==0) $this->images=array();
      $sortChoices=array('ORDER'=>'position','RANDOM-SET'=>'groupSet asc, position asc','RANDOM'=>'rand()');
      if( !array_key_exists($this->playback,$sortChoices) ) 
         $this->playback='ORDER';
      if(intval($this->bID)==0) return array();
      $sql = "SELECT * FROM btTnSlideshowImg WHERE bID=".intval($this->bID).' ORDER BY '.$sortChoices[$this->playback];
      $db = Loader::db();
      $this->images=$db->getAll($sql); 
   }
 
   function delete(){
      $db = Loader::db();
      $db->query("DELETE FROM btTnSlideshowImg WHERE bID=".intval($this->bID));      
      parent::delete();
   }
 
   function loadBlockInformation() {
      if ($this->fsID == 0) {
         $this->loadImages();
      } else {
         $this->loadFileSet();
      }
      $this->randomizeImages();   
      $this->set('defaultFadeDuration', $this->defaultFadeDuration);
      $this->set('defaultDuration', $this->defaultDuration);
      $this->set('fadeDuration', $this->fadeDuration);
      $this->set('duration', $this->duration);
      $this->set('minHeight', $this->minHeight);
      $this->set('fsID', $this->fsID);
      $this->set('fsName', $this->getFileSetName());
      $this->set('images', $this->images);
      $this->set('playback', $this->playback);
      $type = ($this->fsID > 0) ? 'FILESET' : 'CUSTOM';
      $this->set('type', $type);
      $this->set('bID', $this->bID);            
   }
 
   function view() {
      $this->loadBlockInformation();
   }
 
   function add() {
      $this->loadBlockInformation();
   }
 
   function edit() {
      $this->loadBlockInformation();
   }
 
   function duplicate($nbID) {
      parent::duplicate($nbID);
      $this->loadBlockInformation();
      $db = Loader::db();
      foreach($this->images as $im) {
         $db->Execute('insert into btTnSlideshowImg (bID, fID, url, duration, fadeDuration, groupSet, position, imgHeight, description, title) values (?, ?, ?, ?, ?, ?, ?, ?,?,?)', 
            array($nbID, $im['fID'], $im['url'], $im['duration'], $im['fadeDuration'], $im['groupSet'], $im['position'], $im['imgHeight'], $im['description'], $im['title'])
         );      
      }
   }
 
   function save($data) { 
      $args['playback'] = isset($data['playback']) ? trim($data['playback']) : 'ORDER';
      $db = Loader::db();
 
      if( $data['type'] == 'FILESET' && $data['fsID'] > 0){
         $args['fsID'] = $data['fsID'];
         $args['duration'] = $data['duration'][0];
         $args['fadeDuration'] = $data['fadeDuration'][0];
 
         $files = $db->getAll("SELECT fv.fID FROM FileSetFiles fsf, FileVersions fv WHERE fsf.fsID = " . $data['fsID'] .
                  " AND fsf.fID = fv.fID AND fvIsApproved = 1");
 
         //delete existing images
         $db->query("DELETE FROM btTnSlideshowImg WHERE bID=".intval($this->bID));
      } else if( $data['type'] == 'CUSTOM' && count($data['imgFIDs']) ){
         $args['fsID'] = 0;
 
         //delete existing images
         $db->query("DELETE FROM btTnSlideshowImg WHERE bID=".intval($this->bID));
 
         //loop through and add the images
         $pos=0;
         foreach($data['imgFIDs'] as $imgFID){ 
            if(intval($imgFID)==0 || $data['fileNames'][$pos]=='tempFilename') continue;
            $vals = array(intval($this->bID),intval($imgFID),trim($data['title'][$pos]),trim($data['description'][$pos]),trim($data['url'][$pos]),intval($data['duration'][$pos]),intval($data['fadeDuration'][$pos]),
                  intval($data['groupSet'][$pos]),intval($data['imgHeight'][$pos]),$pos);
            $db->query("INSERT INTO btTnSlideshowImg (bID,fID,title,description,url,duration,fadeDuration,groupSet,imgHeight,position) values (?,?,?,?,?,?,?,?,?,?)",$vals);
            $pos++;
         }
      }
 
      parent::save($args);
   }
 
   function randomizeImages()
   {
      if($this->playback == 'RANDOM')
      {
         shuffle($this->images);
      }
      else if($this->playback == 'RANDOM-SET')
      {
         $imageGroups=array();
         $imageGroupIds=array();
         $sortedImgs=array();
         foreach($this->images as $imgInfo){
            $imageGroups[$imgInfo['groupSet']][]=$imgInfo;
            if( !in_array($imgInfo['groupSet'],$imageGroupIds) )
               $imageGroupIds[]=$imgInfo['groupSet'];
         }
         shuffle($imageGroupIds);
         foreach($imageGroupIds as $imageGroupId){
            foreach($imageGroups[$imageGroupId] as $imgInfo)
               $sortedImgs[]=$imgInfo;
         }
         $this->images=$sortedImgs;
      }
   }
}
 
?>