<?php
/* -*- Mode: php; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

global $UTIL_DIR;

include_once($UTIL_DIR . "/convert.php");
include_once($UTIL_DIR . "/markdown.php");

class DownloadSource {
	public $id;
  public $title;
  public $url;

  public function write($fp)
  {
    /*
    fwrite($fp, "  <shopitem title=\"" .
	   htmlspecialchars($this->title, ENT_QUOTES, "UTF-8") . "\"\n");
    fwrite($fp, "        description=\"" .
	   htmlspecialchars($this->description, ENT_QUOTES, "UTF-8") . "\"\n");
    fwrite($fp, "        image=\"" . $this->image . "\">\n");
    
    fwrite($fp, "        type=\"" . $this->type . "\"\n");
    fwrite($fp, "        paypalkey=\"" . $this->paypalkey . "\">\n");
    fwrite($fp, "  </shopitem>\n");
    */
  }
  
  public function show()
  {
    $str = "";
    
		$str .= "          <a class=\"download_item_source\" href=\"" . $this->url . "\">\n";
		$str .= "            <span class=\"download_item_source_title\">". $this->title . "</span>\n";
		$str .= "          </a>\n";

    return $str;
  }

  public function DownloadSource($id, $title, $url)
  {
		$this->id = $id;
    $this->title = $title;
		$this->url = $url;
  }
}

class DownloadItem {
	public $id;
  public $title;
  public $description;
  public $type;
	public $value;
  public $sources = array();

  public function write($fp)
  {
    /*
    fwrite($fp, "  <shopitem title=\"" .
	   htmlspecialchars($this->title, ENT_QUOTES, "UTF-8") . "\"\n");
    fwrite($fp, "        description=\"" .
	   htmlspecialchars($this->description, ENT_QUOTES, "UTF-8") . "\"\n");
    fwrite($fp, "        image=\"" . $this->image . "\">\n");
    
    fwrite($fp, "        type=\"" . $this->type . "\"\n");
    fwrite($fp, "        paypalkey=\"" . $this->paypalkey . "\">\n");
    fwrite($fp, "  </shopitem>\n");
    */
  }
  
  public function show()
  {
		global $VIDEO_WIDTH;
		global $VIDEO_HEIGHT;

		$VIDEO_WIDTH = 530;
		$VIDEO_HEIGHT = 400;

    $str = "";
    
    $str .= "      <div class=\"download_item\">\n";
    $str .= "        <div class=\"download_item_type_".$this->type."\">\n";
		$str .= "        <span class=\"download_item_title\">".$this->title."</span>\n";

		if($this->type == "image") {
		$str .= "        <img class=\"download_item_image_icon\" alt=\"".$this->title.
			"\" src=\"".$this->value."\"/>\n";
		}

		if($this->type == "youtube") {
			$str .= "<object class=\"download_item_video\" width=\"".$VIDEO_WIDTH."\" height=\"".$VIDEO_HEIGHT."\">\n";
			$str .= "<param name=\"movie\" value=\"http://www.youtube.com/v/".$this->value."\"></param>\n";
			$str .= "<embed src=\"http://www.youtube.com/v/".$this->value."\" ".
				"type=\"application/x-shockwave-flash\" width=\"".$VIDEO_WIDTH."\" height=\"400\">\n"; 
			$str .= "</embed>\n";
			$str .= "</object>\n";
		}

		if($this->type == "vimeo") {
			$str .= "<object class=\"download_item_video\" width=\"".$VIDEO_WIDTH."\" height=\"".$VIDEO_HEIGHT."\">\n"; 
			$str .= "  <param name=\"allowfullscreen\" value=\"true\" /> \n"; 
			$str .= "  <param name=\"allowscriptaccess\" value=\"always\" />\n";  
			$str .= "  <param name=\"movie\" value=\"http://www.vimeo.com/moogaloop.swf?clip_id=".$this->value."&amp;server=www.vimeo.com&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=&amp;fullscreen=1\" /> \n"; 
			$str .= "  <embed src=\"http://www.vimeo.com/moogaloop.swf?clip_id=".$this->value."&amp;server=www.vimeo.com&amp;show_title=1&amp;show_byline=1&amp;show_portrait=0&amp;color=&amp;fullscreen=1\"\n"; 
			$str .= "        type=\"application/x-shockwave-flash\"\n"; 
			$str .= "         allowfullscreen=\"true\"\n"; 
			$str .= "         allowscriptaccess=\"always\"\n"; 
			$str .= "         width=\"".$VIDEO_WIDTH."\" height=\"".$VIDEO_HEIGHT."\"> \n"; 
			$str .= "  </embed> \n"; 
			$str .= "</object>\n"; 
		}

		$str .= "        <div class=\"download_item_description\">".$this->description."</div>\n";
    $str .= "        <div class=\"download_item_sources\">\n";
    foreach($this->sources as $s) {
      $str .= $s->show();
    }
    $str .= "        </div>\n";
    $str .= "        </div>\n";
    $str .= "      </div>\n";

    return $str;
  }

  public function addSource($source)
  {
    $key = $source->id;
    $this->sources[$key] = $source;
  }
	
  public function DownloadItem($id, $title, $description, $type, $value)
  {
		$this->id = $id;
    $this->title = $title;
    $this->description = $description;
		$this->type = $type;
		$this->value = $value;
  }
}

class DownloadGroup {
	public $id;
  public $title;
  public $items = array();

  public function write($fp)
  {
    /*
    fwrite($fp, "  <shopitem title=\"" .
	   htmlspecialchars($this->title, ENT_QUOTES, "UTF-8") . "\"\n");
    fwrite($fp, "        description=\"" .
	   htmlspecialchars($this->description, ENT_QUOTES, "UTF-8") . "\"\n");
    fwrite($fp, "        image=\"" . $this->image . "\">\n");
    
    fwrite($fp, "        type=\"" . $this->type . "\"\n");
    fwrite($fp, "        paypalkey=\"" . $this->paypalkey . "\">\n");
    fwrite($fp, "  </shopitem>\n");
    */
  }
  
  public function show()
  {
    $str = "";
    
		
    $str .= "  <div class=\"download_group\">\n";
		$str .= "    <div class=\"download_group_title\">".$this->title."</div>\n";
    $str .= "    <div class=\"download_items\">\n";
		if($this->items) {
			foreach($this->items as $i) {
				$str .= $i->show();
			}
		}
    $str .= "    </div>\n";
    $str .= "  </div>\n";

    return $str;
  }

  public function addItem($item)
  {
    $key = $item->id;
    $this->items[$key] = $item;
  }
	
  public function DownloadGroup($id, $title)
  {
		$this->id = $id;
    $this->title = $title;
		$this->url = $url;
  }
}

class Downloads {

  private $file;
  private $groups = array();

  // Admin config
  public $admin_title = "Downloads";
  public $admin_submodules = array("Add Item" => "add",
				   "Edit Item" => "edit",
				   "Delete Item" => "delete");

  public function admin($sub, $action, $vars)
  {
    switch($sub) {
    case "add":
      break;
    case "edit":
      break;
    case "delete":
      break;
    }
  }

  public function run($params)
  {
    global $GLOBALS;

    $str = "<div class=\"downloads\">\n";
    
    //foreach($params as $param => $value) {}
    
    if($this->groups) {
      foreach($this->groups as $group) {
				$str .= $group->show();
      }
    }
    
    $str .= "</div>\n";
    
    return $str;
  }

  public function add($group) {
    $key = $group->id;
    $this->groups[$key] = $group;
  }
	
  public function write()
  {
    /*
    $fp = fopen($this->file, "w");
    fwrite($fp, "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");

    fwrite($fp, "<discography>\n");
    foreach($this->discs as $disc) {
			$disc->write($fp);
    }
    fwrite($fp, "</discography>\n");

    fclose($fp);
    */
  }
	
  private function read()
  {
    $dom = new DomDocument;
    $dom->preserveWhiteSpace = FALSE;
    $dom->load($this->file);
    $groups = $dom->getElementsByTagName('group');

    if($groups) {
      foreach($groups as $g) {
				$group = new DownloadGroup($g->getAttribute('id'),
																	 $g->getAttribute('title'));
				
				$items = $g->getElementsByTagName('item');
				if($items) {
					foreach($items as $i) {
						$item = new DownloadItem($i->getAttribute('id'),
																		 $i->getAttribute('title'),
																		 $i->getAttribute('description'),
																		 $i->getAttribute('type'),
																		 $i->getAttribute('value'));
						$sources = $i->getElementsByTagName('source');
						if($sources) {
							foreach($sources as $s) {
								$source = new DownloadSource($s->getAttribute('id'),
																						 $s->getAttribute('title'),
																						 $s->getAttribute('url'));
								$item->addSource($source);
							}
						}

						ksort($item->sources);
						$group->addItem($item);
					}
				}
				
				ksort($group->items);
				$this->add($group);
      }
    }
		ksort($this->groups);
  }

  public function Downloads($file)
  {
    $this->file =  $file;
    if(file_exists($file)) $this->read();
  }

}

function downloads_init()
{
  global $DATA_DIR;
  return new Downloads($DATA_DIR . "/downloads.xml");
}

?>