class OSMTemplate in MediaFront 7

Copyright (c) 2010 Alethia Inc, http://www.alethia-inc.com Developed by Travis Tidwell | travist at alethia-inc.com

License: GPL version 3.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Hierarchy

• class \OSMTemplate

File

players/osmplayer/player/OSMTemplate.php, line 28

class OSMTemplate {

  // The version of this player.
  private $version = '';

  // The prefix for this template.
  private $prefix = '';

  // The cache for the settings of this player.
  public $settings = array();

  // The CSS directory to store the cached templates in.
  private $css_dir = '';

  // The player settings.
  protected $playerSettings = array();

  // The default id's for the osm media player.
  public $defaultIds = array(
    'loading' => '#mediaplayerloading',
    'player' => '#mediaplayer',
    'menu' => '#mediamenu',
    'titleBar' => '#mediatitlebar',
    'node' => '#medianode',
    'playlist' => '#mediaplaylist',
    'currentTime' => '#mediacurrenttime',
    'totalTime' => '#mediatotaltime',
    'playPause' => '#mediaplaypause',
    'seekUpdate' => '#mediaseekupdate',
    'seekProgress' => '#mediaseekprogress',
    'seekBar' => '#mediaseekbar',
    'seekHandle' => '#mediaseekhandle',
    'volumeUpdate' => '#mediavolumeupdate',
    'volumeBar' => '#mediavolumebar',
    'volumeHandle' => '#mediavolumehandle',
    'mute' => '#mediamute',
    'linkText' => '#medialinktext',
    'linkScroll' => '#medialinkscroll',
    'close' => '#mediamenuclose',
    'embed' => '#mediaembed',
    'elink' => '#mediaelink',
    'email' => '#mediaemail',
    'busy' => '#mediabusy',
    'preview' => '#mediapreview',
    'play' => '#mediaplay',
    'media' => '#mediadisplay',
    'control' => '#mediacontrol',
    'voter' => '#mediavoter',
    'uservoter' => '#mediauservoter',
    'mediaRegion' => '#mediaregion',
    'field' => '.mediafield',
    'prev' => '#mediaprev',
    'next' => '#medianext',
    'loadPrev' => '#medialoadprev',
    'loadNext' => '#medialoadnext',
    'prevPage' => '#mediaprevpage',
    'nextPage' => '#medianextpage',
    'pager' => '#mediapager',
    'scroll' => '#mediascroll',
    'busy' => '#mediabusy',
    'links' => '#medialinks',
    'listMask' => '#medialistmask',
    'list' => '#medialist',
    'scrollWrapper' => '#mediascrollbarwrapper',
    'scrollBar' => '#mediascrollbar',
    'scrollTrack' => '#mediascrolltrack',
    'scrollHandle' => '#mediascrollhandle',
    'scrollUp' => '#mediascrollup',
    'scrollDown' => '#mediascrolldown',
    'titleLinks' => '#mediatitlelinks',
  );

  /**
   * Constructor for the OSMTempalate class.
   */
  public function __construct($playerSettings) {

    // Set the player settings, which can be used in this template.
    $this->playerSettings = $playerSettings;

    // Get the settings for our template
    $this->settings = $this
      ->getSettings();
  }

  /**
   * Get's the player version number.
   */
  public function getVersion() {
    $this->version = $this->version ? $this->version : file_get_contents(dirname(__FILE__) . '/version.txt');
    return $this->version;
  }

  /**
   * Return's this templates settings.  This function is used to tell the Open Standard Media Player class
   * about your template.
   */
  public function getSettings() {

    // We must have a template derive from this class... set all settings to null.
    return array();
  }

  /**
   * Returns the CSS file that is located within the current theme.
   */
  public function getThemeRollerCSS() {
    $theme_css = '';
    if ($this->playerSettings['theme']) {
      $theme_folder = 'jquery-ui/css/' . $this->playerSettings['theme'];

      // Now search this folder for the CSS file...
      $theme_path = dirname(__FILE__) . '/' . $theme_folder;
      if (is_dir($theme_path)) {
        if ($contents = opendir($theme_path)) {
          while (($node = readdir($contents)) !== false) {
            if (preg_match('/\\.css$/', $node)) {
              $theme_css = $node;
              break;
            }
          }
        }
      }
    }

    // Add the theme.
    return $theme_css ? $theme_folder . '/' . $theme_css : '';
  }

  /**
   * Set the CSS directory for this media player.
   */
  public function setCSSDir($dir) {

    // We only want to set this if we are using themeroller since
    // this directory can change to a cached directory when the
    // themeroller file is created.
    if ($this->settings['generateCSS']) {
      $this->css_dir = $dir;
    }
  }

  /**
   * Resets all generated CSS files.
   */
  public function resetCSS() {
    $this
      ->deleteCSS();
    $this
      ->createCSS();
  }

  /**
   * Get the CSS header for this player.
   */
  public function getCSSHeader() {
    $playerPath = $this->playerSettings['playerPath'];

    // Add the CSS files.
    $css_files = $this
      ->getCSSFiles();
    $header = '<link rel="stylesheet" type="text/css" href="' . $playerPath . $css_files['template'] . '" />';
    $header .= "\n";
    if (isset($css_files['template_ie'])) {
      $header .= '<!--[if IE]><link rel="stylesheet" type="text/css" href="' . $playerPath . $css_files['template_ie'] . '" /><![endif]-->';
      $header .= "\n";
    }

    // Return the header.
    return $header;
  }

  /**
   * Get an array of the CSS files for this player.
   */
  public function getCSSFiles() {
    $files = array();

    // If they are using theme roller, then we will use the cached CSS files.
    if ($this->settings['generateCSS']) {

      // Get the CSS path.
      $css_path = $this->css_dir ? $this->css_dir : dirname(__FILE__);
      $css_local_path = $this->css_dir ? '' : 'css/';

      // Cache the prefix name.
      $id = $this->playerSettings['id'];

      // The CSS files for this id.
      $files['template'] = $css_local_path . "{$id}.css";
      $files['template_ie'] = $css_local_path . "{$id}_ie.css";

      // If the CSS files do not exist, then create them.
      if (!is_file($css_path . '/' . $files['template'])) {
        $this
          ->createCSS();
      }
    }
    else {
      $files = $this->settings['cssFiles'];
    }

    // Return the CSS files.
    return $files;
  }

  /**
   * Writes the contents of one CSS file to another, but also replaces all the id's and
   * class names to take into account the prefix ( id ) of the media player.
   */
  private function writeCSS($css, $handle) {

    // Get the file contents and length.
    $contents = file_get_contents(dirname(__FILE__) . '/' . $css);

    // Change all of the images to the correct path...
    $playerPath = $this->playerSettings['playerPath'] ? $this->playerSettings['playerPath'] : '../';
    $contents = str_replace('images/', $playerPath . str_replace(basename($css), '', $css) . 'images/', $contents);

    // Locate all of the z-index elements.
    $contents = preg_replace_callback('/z-index\\s*:\\s*([0-9]+)/', create_function('$match', '$zIndex = intval($match[1]);
       return $zIndex ? "z-index:" . (' . $this->playerSettings['zIndex'] . ' + $zIndex) : $zIndex;'), $contents);

    // Get the length of the contents.
    $len = strlen($contents);

    // Make sure we don't overwrite anything within brackets...
    $match = 0;
    $matches = array();
    preg_match_all('/\\{.*\\}/sU', $contents, $matches, PREG_OFFSET_CAPTURE);
    if (count($matches[0]) > 0) {
      $match_len = strlen($matches[0][$match][0]);
    }

    // Iterate through all the characters.
    for ($i = 0; $i < $len; $i++) {

      // See if we need to increment the current match.
      if (isset($matches[0][$match + 1]) && $i > $matches[0][$match + 1][1]) {
        $match++;
        $match_len = strlen($matches[0][$match][0]);
      }

      // Get the char at this index.
      $char = $contents[$i];

      // If this is a class or an id, and is not within brackets...
      if (($char == '#' || $char == '.') && !($i > $matches[0][$match][1] && $i <= $matches[0][$match][1] + $match_len)) {
        fwrite($handle, $char . $this->playerSettings['id'] . '_');
      }
      else {
        fwrite($handle, $char);
      }
    }
  }

  /**
   * Create the CSS files for this media player.  This will dynamically rename all the
   * id's and class names within the master CSS files ( theme and template ), and then create
   * a cached version of them within the css folder.
   */
  public function createCSS() {

    // This is only necessary if they are using Theme Roller.
    if ($this->settings['generateCSS']) {

      // Store the CSS directory for later usage.
      $dir = $this->css_dir ? $this->css_dir : dirname(__FILE__) . '/css';

      // Make sure this directory exists.
      if (!is_dir($dir)) {

        // Create the directory.
        mkdir($dir, 0777, true);
      }

      // Now make sure the directory has the right permissions.
      @chmod($dir, 0777);

      // Store the to path and to css.
      $to_path = $dir . '/' . $this->playerSettings['id'];
      $to_css = $to_path . '.css';

      // Setup the files array.
      $files = array();
      $files[$to_css] = array();
      if ($this->settings['cssFiles']['theme']) {
        $files[$to_css][] = $this->settings['cssFiles']['theme'];
      }
      if ($this->settings['cssFiles']['template']) {
        $files[$to_css][] = $this->settings['cssFiles']['template'];
      }
      if ($this->settings['cssFiles']['template_ie']) {
        $files[$to_path . '_ie.css'] = array(
          $this->settings['cssFiles']['template_ie'],
        );
      }

      // Iterate through all of our css files we need to create.
      foreach ($files as $file => $contents) {

        // Now open up the new css file.
        $handle = fopen($file, 'a+');
        if ($handle) {

          // Iterate through all the files that will be combined to
          // create this css file.
          foreach ($contents as $content) {
            if ($content) {

              // Write to the css file.
              $this
                ->writeCSS($content, $handle);
            }
          }

          // Close the file.
          fclose($handle);
        }

        // Now set the file permissions to 775.
        @chmod($file, 0777);
      }
    }
  }

  /**
   * Delete the current cached CSS files.
   */
  public function deleteCSS() {

    // This is only necessary if they user Theme Roller.
    if ($this->settings['generateCSS']) {
      $css_path = $this->css_dir ? $this->css_dir : dirname(__FILE__) . '/css';
      $css_path .= '/' . $this->playerSettings['id'];
      $css = $css_path . '.css';
      if (is_file($css)) {
        @chmod($css, 0775);
        unlink($css);
      }
      $css = $css_path . '_ie.css';
      if (is_file($css)) {
        @chmod($css, 0775);
        unlink($css);
      }
    }
  }

  /**
   * Returns the id's for this template.
   */
  public function getIds() {
    $ids = array();

    // Only add the prefix if the template is using themeroller.
    if ($this->settings['generateCSS']) {

      // Iterate through all the id's and add the id.
      foreach ($this->settings['ids'] as $index => $id) {
        $ids[$index] = $id[0] . $this->prefix . substr($id, 1);
      }
    }
    else {
      $ids = $this->settings['ids'];
    }

    // Return the id's with the prefix's in place.
    return $ids;
  }

  /**
   * Set's the prefix of the template.
   */
  public function setPrefix($newPrefix) {

    // Set the prefix for this template.
    $this->prefix = $newPrefix;
  }

  /**
   * Theme function for the base template class.
   *
   * @param array $variables - The variables used within this particular theme.
   * @param string $subtemplate - The subtemplate to include.
   * @return string The HTML markup of this theme.
   */
  public function theme($variables, $subtemplate = '') {
    $template = $variables['params']['template'];
    $preprocess = 'theme_preprocess' . $subtemplate;
    if (method_exists($this, $preprocess)) {
      $this
        ->{$preprocess}($variables);
    }

    // Extract the variables to a local namespace
    extract($variables, EXTR_SKIP);

    // Start output buffering
    ob_start();

    // Include the template.
    include "templates/{$template}/osmplayer_{$template}{$subtemplate}.tpl.php";

    // Get the contents of the buffer
    $contents = ob_get_contents();

    // End buffering and discard
    ob_end_clean();

    // Return the contents
    return $contents;
  }

}

Members

Name	Modifiers	Type	Description	Overrides
OSMTemplate::$css_dir	private	property
OSMTemplate::$defaultIds	public	property
OSMTemplate::$playerSettings	protected	property
OSMTemplate::$prefix	private	property
OSMTemplate::$settings	public	property
OSMTemplate::$version	private	property
OSMTemplate::createCSS	public	function	Create the CSS files for this media player. This will dynamically rename all the id's and class names within the master CSS files ( theme and template ), and then create a cached version of them within the css folder.
OSMTemplate::deleteCSS	public	function	Delete the current cached CSS files.
OSMTemplate::getCSSFiles	public	function	Get an array of the CSS files for this player.
OSMTemplate::getCSSHeader	public	function	Get the CSS header for this player.
OSMTemplate::getIds	public	function	Returns the id's for this template.
OSMTemplate::getSettings	public	function	Return's this templates settings. This function is used to tell the Open Standard Media Player class about your template.	3
OSMTemplate::getThemeRollerCSS	public	function	Returns the CSS file that is located within the current theme.
OSMTemplate::getVersion	public	function	Get's the player version number.
OSMTemplate::resetCSS	public	function	Resets all generated CSS files.
OSMTemplate::setCSSDir	public	function	Set the CSS directory for this media player.
OSMTemplate::setPrefix	public	function	Set's the prefix of the template.
OSMTemplate::theme	public	function	Theme function for the base template class.
OSMTemplate::writeCSS	private	function	Writes the contents of one CSS file to another, but also replaces all the id's and class names to take into account the prefix ( id ) of the media player.
OSMTemplate::__construct	public	function	Constructor for the OSMTempalate class.