<?php
// $Id: imagerotator.module,v 1.5.2.2 2009/04/22 21:39:33 stuartgreenfield Exp $

/**
 * SWF Tools - Jeroen Wijering's Flash Players
 *
 * Enables the use of Jeroen Wijering's Flash Media and Flash Image
 * Rotator files, branded forms of which ship with SWF Tools module.
 *
 * Author's Site.
 * http://jeroenwijering.com
 */

define('WIJERING_IMAGEROTATOR', 'wijering_imagerotator'); // 'player', can display images.
define('IMAGEROTATOR_DOWNLOAD', 'http://www.jeroenwijering.com/?item=jw_image_rotator');

/**
 * Implementation of swftools_methods hook
 * Report methods back to SWF Tools
 */
function imagerotator_swftools_methods() {

  $methods = array();
  // And with rotator
  $image_rotator = array(
    'name'        => WIJERING_IMAGEROTATOR,
    'module'      => 'imagerotator',
    'file'        => 'file', // Define which flashvar to assign a 'file to play' variable.
    'version'     => '7',
    'shared_file' => 'flash_image_rotator/imagerotator.swf',
    'title'       => t('JW Image Rotator 3'),
    'download'    => IMAGEROTATOR_DOWNLOAD,
    'width'       => '400',
    'height'      => '320',
  );
  $methods[SWFTOOLS_IMAGE_DISPLAY_LIST][WIJERING_IMAGEROTATOR] = $image_rotator;

  return $methods;
}

/**
 * Implementation of hook_menu().
 */
function imagerotator_menu() {

  $items = array();

    //$items['admin/media/swf/imagerotator'] = array(
    $items['admin/settings/swftools/imagerotator'] = array(
      'title' => 'JW Image Rotator 3',
      'description' => 'Plug-in for '. l('Jeroen Wijering\'s Image Rotator 3', IMAGEROTATOR_DOWNLOAD) .'.',
      'access arguments' => array('administer flash'),
      'page callback' => 'drupal_get_form',
      'page arguments' => array('imagerotator_admin_form'),
      'file' => 'imagerotator.admin.inc',
      'file path' => drupal_get_path('module', 'imagerotator'),
    );

  return $items;
}


/**
 * These are the default settings as they are stored in the database and displayed
 * on the settings page.
 */
function _imagerotator_settings($player) {
  $opts = _imagerotator_options();

  switch ($player) {
    case WIJERING_IMAGEROTATOR:
      // Define the settings list.
      $defaults['boolean'] = array(
        'shuffle'             => 'default',
        'shownavigation'      => 'default',
        'linkfromdisplay'     => 'default',
        'showicons'           => 'default',
        'enablejs'            => 'default',
      );
      $defaults['color'] = array(
        'backcolor'           => '',
        'frontcolor'          => '',
        'lightcolor'          => '',
      );
      $defaults['url'] = array(
        'logo'                => '',
        'link'                => '',
      );
      $defaults['integer'] = array(
        'width'               => '400',
        'height'              => '320',
        'rotatetime'          => '3',
      );
      $defaults['other'] = array(
        'transition'          => 'default',
        'linktarget'          => 'default',
        'overstretch'         => 'default',
      );
      $saved_settings = variable_get('swftools_'. WIJERING_IMAGEROTATOR, array());
      break;
  }

  // Overwrite initialised variables with those that might be already saved.
  foreach ($defaults AS $category => $vars) {
    foreach ($vars AS $key => $setting) {
      if (isset($saved_settings[$key])) {
        $defaults[$category][$key] = $saved_settings[$key];
      }
    }
  }

  return $defaults;
}

/**
 * Implementation of swftools_flashvars hook.
 * Return an array of flashvars.
 */
function imagerotator_swftools_flashvars($action, &$methods, &$vars) {

  // Pad out the user parameters (like those passed through swf(), with our
  // configured defaults, allowing the user parameters to dominate.
  $saved_settings = _imagerotator_flashvars($methods->player['name']);

  $saved = array();
  foreach ($saved_settings AS $category => $settings) {
    $saved = array_merge($saved, $settings);
  }
  $flashvars = array_merge($saved, $vars->flashvars);
  if (isset($flashvars['image']) && !valid_url($flashvars['image'], TRUE)) {
    $flashvars['image'] = swftools_get_media_url(swftools_get_media_path() . $flashvars['image']);
  }

  if ($vars->params['width']) {$flashvars['width'] = $vars->params['width'];}
  if ($vars->params['height']) {$flashvars['height'] = $vars->params['height'];}

  // Return an array of flash variables
  return $flashvars;
}

/**
 * This function is called from imagerotator_swftools_flashvars() which is called from swf()
 * It will return the default flashvar configuration, just prior to any overrides
 * passed into swf(). We start with the settings defined on admin/swf/imagerotator
 * which are returned by _imagerotator_settings(). Then we prepare these values for output
 * to html (eg. '1' become 'true') and we unset undefined flashvars to prevent their output.
 *
 */
function _imagerotator_flashvars($this_player) {
  // Cache this.
  static $flashvars = array();
  if (!count($flashvars)) {

    // Media Player
    foreach (array(WIJERING_IMAGEROTATOR) AS $player) {

      // Get saved settings for this method.
      $defaults = _imagerotator_settings($player);
      foreach ($defaults AS $category => $vars) {
        foreach ($vars AS $key => $setting) {
          if (!$setting || $setting == 'default') {
            unset($defaults[$category][$key]);
          }
          else {
            switch ($category) {
              case 'color':
                $defaults['color'][$key] = str_replace('#', '0x', $defaults['color'][$key]);
                break;
              case 'boolean':
                $defaults['boolean'][$key] = _swftools_tf($defaults['boolean'][$key]);
                break;
            }
          }
        }
      }

      // Not the same as width/height. This determines the extended width OR height
      // past the main view area where the actual playlist file names can be found.
      // Setting both together is not supported.
      if ($defaults['integer']['displaywidth']) {
        unset($defaults['integer']['displayheight']);
      }
      else {
        unset($defaults['integer']['displaywidth']);
      }

      $flashvars[$player] = $defaults;
    }
  }

  return $flashvars[$this_player];
}

/**
 * flashvar and param option arrays. These are used for options settings in the
 * configuration screen.
 *
 */
function _imagerotator_options() {
  $options['overstretch'] = array('default' => 'default', 'false' => 'false', 'true' => 'true', 'fit' => 'fit', 'none' => 'none', );
  $options['repeat'] = array('default' => 'default', 'false' => 'false', 'true' => 'true', 'list' => 'list', );
  $options['linktarget'] = array('default' => 'default', '_self' => '_self', '_blank' => '_blank', );
  $options['transition'] = array('default' => 'default', 'fade' => 'fade', 'bgfade' => 'bgfade', 'blocks' => 'blocks', 'bubbles' => 'bubbles', 'circles' => 'circles', 'flash' => 'flash', 'fluids' => 'fluids', 'lines' => 'lines', 'slowfade' => 'slowfade', 'random' => 'random', );
  $options['bool'] = array('default' => 'default', 'true' => 'true', 'false' => 'false');
  return $options;
}


function imagerotator_wijering_imagerotator_swftools_playlist($xml_data, &$method, &$vars) {

  $xml = '<playlist version="1" xmlns="http://xspf.org/ns/0/">
            <title>'. $xml_data['header']['title'] .'</title>
            <info></info>
            <annotation></annotation>
            <trackList>
            ';

  foreach($xml_data['playlist'] AS $track => $details) {
    
    $xml .= "<track>\n";
    $xml .= "<title>". $details['title'] ."</title>\n";
    $xml .= "<creator></creator>\n";
    $xml .= "<location>". $details['fileurl'] ."</location>\n";
    $xml .= "<info>". $details['fileurl'] ."</info>\n";
    $xml .= "</track>\n";
  }
  $xml .= '</trackList>
           </playlist>';

  return $xml;
}


/*
 * Implementation of hook_swftools_variable_mapping.
 *
 */
function imagerotator_swftools_variable_mapping() {
  return array(
    WIJERING_IMAGEROTATOR => array(
      'shuffle'         => 'flashvars',
      'shownavigation'  => 'flashvars',
      'linkfromdisplay' => 'flashvars',
      'showicons'       => 'flashvars',
      'enablejs'        => 'flashvars',
      'backcolor'       => 'flashvars',
      'frontcolor'      => 'flashvars',
      'lightcolor'      => 'flashvars',
      'logo'            => 'flashvars',
      'link'            => 'flashvars',
      'rotatetime'      => 'flashvars',
      'transition'      => 'flashvars',
      'linktarget'      => 'flashvars',
      'overstretch'     => 'flashvars',
    ),
  );
}


/**
 * Implementation of hook_help
 */
function imagerotator_help($path, $arg) {
  switch ($path) {
    case 'admin/settings/swftools/imagerotator':
      return '<p>'.t('These are the settings for Jeroen Wijering\'s imagerotator.swf
                      and correspond (by category and order) to the
                      <a href="@imagerotator">Media Player and Image Rotator read me</a>.
                      It is possible that you do not need to change any of
                      these settings and blank values will defer to friendly
                      defaults. Note that the label in (<em>brackets</em>)
                      is the actual flashvar name and corresponds to the read me.', array('@imagerotator' => 'http://jeroenwijering.com/extras/readme.html')).'</p>';
  }
}