swfobject2.module in SWF Tools 5

File

swfobject2/swfobject2.module

<?php

/**
 * SWF Tools - SWFObject2
 *
 * Enables the use of swfobject.js which provides image replacement
 * for Flash content. swfobject.js must be downloaded separately. (Add
 * the contents of the zip file to swftools/shared/swfobject2)
 * This module produces standards compliant mark that will pass W3C
 * validation
 *
 */
function swfobject2_swftools_methods() {
  $methods = array();
  $methods[SWFTOOLS_EMBED_METHOD]['swfobject2_replace'] = array(
    'name' => 'swfobject2_replace',
    'module' => 'swfobject2',
    'shared_file' => 'swfobject2/swfobject.js',
    'title' => t('SWFObject v2 - Geoff Stearns'),
  );
  return $methods;
}

/**
 * Implementation of swftools_embed hook
 * Returns the markup for the page, plus set necessary javascript.
 *
 * $methods and $vars should never be empty - unless the only reason for this call
 * is to push the javascript into the header of the page in which case you don't
 * add any paramters as all. This is useful for filtered nodes where the body is
 * not regenerated every time.
 */
function swfobject2_swftools_embed($action = 'add_js', $methods = FALSE, $vars = FALSE, $html_alt = '') {

  // Set flag to indicate if the javascript has been added to the header
  static $swfobject2_has_run;

  // Output javascript to the header to load the SWF Object code
  if (!$swfobject2_has_run) {

    // Add swfobject.js
    drupal_add_js(swftools_get_player_path() . '/swfobject2/swfobject.js');
    $swfobject2_has_run = TRUE;
    if ($action == 'add_js') {

      // Exit early having put the javascript in the header.
      return;
    }
  }

  // Initialise a counter to give each div a unique id
  static $unique_id = 0;

  // If a specific id has been passed used this, otherwise generate one by combining time and $unique_id
  if ($vars->params['id']) {
    $id = $vars->params['id'];
    unset($vars->params['id']);
  }
  else {
    $unique_id++;
    $id = 'swfobject2-id-' . time() . $unique_id;
  }

  // Anything in $vars->params will be output - we don't want src_path
  unset($vars->params['src_path']);

  // Unset flashvars string - we can use the array format and let drupal_to_js handle things
  unset($vars->params['flashvars']);

  // Generate js string ready for output to the page header
  // swfObject takes parameters swfURL, id, width, height, version, expressinstall, flashvars, params, attributes
  // At the moment expressInstall isn't enabled
  $swf_js = t('swfobject.embedSWF("!url", "!id", "!width", "!height", "!version", "", !flashvars, !params, !attributes);', array(
    '!url' => $vars->params['src'],
    '!id' => $id,
    '!width' => $vars->params['width'],
    '!height' => $vars->params['height'],
    '!version' => $vars->params['version'],
    '!flashvars' => drupal_to_js($vars->flashvars),
    '!params' => drupal_to_js($vars->params),
    '!attributes' => drupal_to_js(array(
      'id' => 'swf' . $id,
    )),
  ));

  // Generate the html markup ready to receive the substitution
  $html = '<div id="' . $id . '" class="swftools swfobject2">' . "\n";
  $html .= $html_alt . "\n";
  $html .= '</div>' . "\n";

  // Although SWF Object 2 recommends adding js to the page header that will prevent cached filters being used
  // So we add js to the page body in order that it gets cached too
  $html .= '<script type="text/javascript">' . "\n";
  $html .= $swf_js . "\n";
  $html .= '</script>' . "\n";

  // Return html markup
  return $html;
}

Functions

Name	Description
swfobject2_swftools_embed	Implementation of swftools_embed hook Returns the markup for the page, plus set necessary javascript.
swfobject2_swftools_methods	SWF Tools - SWFObject2