<?php
// $Id$

/**
 * gallery_profile.module
 */

/**
 * Implementation of hook_menu().
 */
function gallery_profile_menu() {
  $items['admin/user/gallery/settings/general'] = array(
    'title' => 'General',
    'type' => MENU_DEFAULT_LOCAL_TASK,
    'weight' => 0
  );
  $items['admin/user/gallery/settings/profile'] = array(
    'title' => 'User Profile',
    'access callback' => 'gallery_admin_access',
    'access arguments' => array(array('administer users', 'administer gallery settings')),
    'file' => 'gallery_settings.inc',
    'file path' => drupal_get_path('module', 'gallery'),
    'page callback' => 'drupal_get_form',
    'page arguments' => array('_gallery_profile_settings'),
    'type' => MENU_LOCAL_TASK,
    'weight' => 1
  );
  
  return $items;
}

/**
 * Implementation of hook_profile_alter().
 */
function gallery_profile_profile_alter(&$account) {
  if (isset($account->content['gallery2'])) {
    $profile = &$account->content['gallery2'];
    // Set custom title
    $profile['#title'] = variable_get('gallery_user_profile_title', 'Gallery2');
    // Remove sync status message
    if (variable_get('gallery_user_profile_hide_sync', 0)) {
      unset($profile['user_sync']);
    }
    // Useralbum link/gallery
    $gallery_mode = variable_get('gallery_user_profile_gallery', array('link'));
    if (in_array('gallery', $gallery_mode) && gallery_user_useralbum($account->uid, FALSE)) {
      $profile['useralbum_gallery'] = array(
        '#type' => 'user_profile_item',
        '#title' => in_array('link', $gallery_mode) ?
          $profile['useralbum_link']['#value'] : t('Album: %username', array('%username' => $account->name)),
        '#value' => _gallery_profile_useralbum($account->uid),
        '#attributes' => array('class' => 'gallery_profile_useralbum')
      );
      unset($profile['useralbum_link']);
    }
    else if (!in_array('link', $gallery_mode)) {
      unset($profile['useralbum_link']);
    }
    // Hide section (if no items are available)
    if (count($profile) < 3) {
      unset($fields['gallery2']);
    }
  }
}

/**
 * Implementation of hook_form_alter().
 */
function gallery_profile_form_alter(&$form, $form_state, $form_id) {
  if ($form_id == '_gallery_user_settings') {
    unset($form['user']['gallery_user_profile_hide']);
    $form['user']['sync']['#collapsible'] = FALSE;
  }
}

/**
 * Function _gallery_profile_settings().
 */
function _gallery_profile_settings() {
  $form['profile'] = array(
    '#type' => 'fieldset',
    '#title' => t('User Profile'),
    '#collapsible' => FALSE,
    '#collapsed' => FALSE
  );
  
  $form['profile']['gallery_user_profile_hide'] = array(
    '#type' => 'checkbox',
    '#title' => t('Hide Gallery2 section in profiles'),
    '#default_value' => variable_get('gallery_user_profile_hide', 0),
    '#description' => t('Hide the Gallery2 section (i.e. Gallery2-Drupal Sync Status) on the user profile pages.'),
  );
  
  $form['profile']['gallery_user_profile_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Title of Gallery2 profile section'),
    '#default_value' => variable_get('gallery_user_profile_title', 'Gallery2'),
    '#size' => 40,
    '#maxlength' => 255,
    '#description' => t('Title of the Gallery2 section on profile pages.')
  );
  
  $form['profile']['gallery_user_profile_hide_sync'] = array(
    '#type' => 'checkbox',
    '#title' => t('Hide sync status message'),
    '#default_value' => variable_get('gallery_user_profile_hide_sync', 0),
    '#description' => t('Hide \'Gallery2-Drupal Sync Status\' message in the profile.'),
  );
  
  $gallery_mode = variable_get('gallery_user_profile_gallery', array('link'));
  $form['profile']['gallery_user_profile_gallery'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Profile gallery mode'),
    '#default_value' => $gallery_mode,
    '#options' => array(
      'link' => t('Show link to useralbum'),
      'gallery' => t('Show (useralbum) gallery/images')
    ),
    '#description' => t('By default a link to the useralbum is shown. But you may also insert a gallery of
                         random/recent images from the useralbum into the user profile.'),
  );
  // Useralbum settings
  if (in_array('gallery', $gallery_mode)) {
    $form['profile'][] = _gallery_profile_useralbum_settings();
  }
  
  $form['array_filter'] = array('#type' => 'value');
  return system_settings_form($form);
}

/**
 * Function _gallery_profile_useralbum_settings().
 */
function _gallery_profile_useralbum_settings() {
  require_once(drupal_get_path('module', 'gallery') .'/gallery_block.inc');
  
  $plugin_status =  gallery_plugin_status(array('imageblock', 'imageframe'));
  $form['useralbum'] = array(
    '#type' => 'fieldset',
    '#title' => t('Useralbum'),
    '#collapsible' => TRUE,
    '#collapsed' => TRUE,
    '#description' => t('The profile useralbum requires the Gallery2 Image Block plugin (!imageblock_status)
                         and optionally the Gallery2 Image Frame plugin (!imageframe_status).', array(
                          '!imageblock_status' => theme('gallery_plugin_status_message', $plugin_status['imageblock']),
                          '!imageframe_status' => theme('gallery_plugin_status_message', $plugin_status['imageframe'])
                        ))
  );
  if ($plugin_status['imageblock'] != GALLERY_PLUGIN_ENABLED) {
    $form['useralbum']['#description'] .= t(' However the Image Block plugin is unavailable.');
    return $form;
  }
  
  $form['useralbum']['gallery_user_profile_useralbum_num_cols'] = array(
    '#type' => 'select',
    '#title' => t('Number of columns'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_num_cols', 2),
    '#options' => _gallery_range_array(1, 10),
    '#description' => t('Enter the number of columns in the useralbum.'),
  );
  
  $form['useralbum']['gallery_user_profile_useralbum_num_rows'] = array(
    '#type' => 'select',
    '#title' => t('Number of rows'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_num_rows', 2),
    '#options' => _gallery_range_array(1, 10),
    '#description' => t('Enter the number of rows in the useralbum.'),
  );
  
  $form['useralbum']['gallery_user_profile_useralbum_block_block'] = array(
    '#type' => 'select',
    '#title' => 'Image types',
    '#default_value' => variable_get('gallery_user_profile_useralbum_block_block', 'randomImage'),
    '#options' => array(
      'randomImage' => t('Random image'),
      'recentImage' => t('Recent image')
    ),
    '#description' => 'Pick the type of images you would like to see in the useralbum.',
  );
  
  $form['useralbum']['gallery_user_profile_useralbum_item_id'] = array(
    '#type' => 'textfield',
    '#title' => t('Album or Item ID'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_item_id', ''),
    '#size' => 20,
    '#maxlength' => 20,
    '#description' => t('Enter the Gallery image or album ID or leave blank for \'Useralbum\' (default).')
  );
  
  $form['useralbum']['gallery_user_profile_useralbum_block_show'] = array(
    '#type' => 'checkboxes',
    '#title' => t('Image data'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_block_show', array()),
    '#options' => array(
      'title'   => t('Title'),
      'date'    => t('Date'),
      'views'   => t('View Count'),
      'owner'   => t('Item owner'),
      'heading' => t('Heading')
    ),
    '#description' => t('Choose the item metadata you would like to display.'),
  );

  $form['useralbum']['gallery_user_profile_useralbum_size_method'] = array(
    '#type' => 'select',
    '#title' => t('Image size method'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_size_method', GALLERY_GRID_SIZE_METHOD_DEFAULT),
    '#options' => array(
      'maxsize' => t('Max Size'),
      'exactsize' => t('Exact Size'),
    ),
    '#description' => t('\'Max Size\' gives faster image downloading, but the image size
                         may be smaller than the size defined below. <br />\'Exact Size\' may be slower
                         (as a larger image is downloaded and then scaled by the browser) but the image
                         will be guaranteed to be the size defined below. Only supported for G2.2+.'),
  );

  $form['useralbum']['gallery_user_profile_useralbum_size'] = array(
    '#type' => 'textfield',
    '#title' => t('Image size'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_size', GALLERY_GRID_SIZE_DEFAULT),
    '#size' => 10,
    '#maxlength' => 10,
    '#description' => t('Sets the size (in pixels) of the longest side of the image according
                        to the method defined above.'),
  );
  
  $imageframe_desc = ($plugin_status['imageframe'] != GALLERY_PLUGIN_ENABLED) ?
      t('Requires the Gallery2 Image Frame plugin (!imageframe_status).',
      array('!imageframe_status' => theme('gallery_plugin_status_message', $plugin_status['imageframe']))) : '';
  
  $image_frames = gallery_get_image_frames();
  
  $form['useralbum']['gallery_user_profile_useralbum_album_frame'] = array(
    '#type' => 'select',
    '#title' => t('Album frame'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_album_frame', 'none'),
    '#options' => $image_frames,
    '#description' => $imageframe_desc,
  );

  $form['useralbum']['gallery_user_profile_useralbum_item_frame'] = array(
    '#type' => 'select',
    '#title' => t('Item frame'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_item_frame', 'none'),
    '#options' => $image_frames,
    '#description' => $imageframe_desc,
  );

  $form['useralbum']['gallery_user_profile_useralbum_link_target'] = array(
    '#type' => 'textfield',
    '#title' => t('Link target'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_link_target', ''),
    '#size' => 20,
    '#maxlength' => 20,
    '#description' => t('Enter a link target (e.g. \'_blank\' to open in a new window).'),
  );

  $form['useralbum']['gallery_user_profile_useralbum_link'] = array(
    '#type' => 'textfield',
    '#title' => t('Image Link'),
    '#default_value' => variable_get('gallery_user_profile_useralbum_link', ''),
    '#size' => 60,
    '#maxlength' => 255,
    '#description' => t('By default the image has a link to the item in the Gallery. This
      can be overridden here (or leave empty for the default). Use \'none\' for no link, or a URL
      to link somewhere else instead.'),
  );
  
  return $form;
}

/**
 * Function _gallery_profile_useralbum().
 */
function _gallery_profile_useralbum($uid) {
  $num_cols = variable_get('gallery_user_profile_useralbum_num_cols', 2);
  $num_rows = variable_get('gallery_user_profile_useralbum_num_rows', 2);
  $num_images = $num_cols * $num_rows;

  $param_blocks_array = array_fill(0, $num_images, variable_get('gallery_user_profile_useralbum_block_block', 'randomImage'));
  $params['blocks'] = is_array($param_blocks_array) ? implode('|', $param_blocks_array) : '';
  $item_id = trim(variable_get('gallery_user_profile_useralbum_item_id', ''));
  $params['itemId'] = empty($item_id) ? ('user:'. $uid) : $item_id;
  $param_show_array = variable_get('gallery_user_profile_useralbum_block_show', array());
  $params['show'] = is_array($param_show_array) ? implode('|', $param_show_array) : '';
  if (variable_get('gallery_user_profile_useralbum_size_method', GALLERY_GRID_SIZE_METHOD_DEFAULT) == 'maxsize') {
    $params['maxSize'] = variable_get('gallery_user_profile_useralbum_size', GALLERY_GRID_SIZE_DEFAULT);
  }
  else {
    $params['exactSize'] = variable_get('gallery_user_profile_useralbum_size', GALLERY_GRID_SIZE_DEFAULT);
  }
  $params['albumFrame'] =  variable_get('gallery_user_profile_useralbum_album_frame', 'none');
  $params['itemFrame'] =  variable_get('gallery_user_profile_useralbum_item_frame', 'none');
  $params['linkTarget'] =  variable_get('gallery_user_profile_useralbum_link_target', '');
  $params['link'] = variable_get('gallery_user_profile_useralbum_link', '');

  $block = gallery_get_block($params, 'ImageBlock', array('num_cols' => $num_cols));
  return $block['content'];
}