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<?php

/**

 * @file

 * The theme system, which controls the output of views slideshow.

 */

 /**

 * @defgroup vss_templates Templates

 * @{

 * Slideshow and component templates.

 *

 * @see vss_theme

 * @}

 */

 /**

 * @defgroup vss_theme Theme Functions

 * @{

 * Theme processing and display generation.

 *

 * Most of the logic behind the generation of the slideshow is here.

 *

 * @see vss_templates

 */

/**

 * Implements hook_preprocess_views_slideshow().

 */

function template_preprocess_views_slideshow(&$vars) {

  $options = $vars['options'];

  $vars['skin'] = 'default';

  $vars['slideshow'] = '';

  $main_frame_module = $options['slideshow_type'];

  if (empty($main_frame_module)) {

    // Get all slideshow types.

    $slideshows = module_invoke_all('views_slideshow_slideshow_info');

    if ($slideshows) {

      foreach ($slideshows as $slideshow_id => $slideshow_info) {

        $main_frame_module = $slideshow_id;

        break;

      }

    }

  }

  // Make sure the main slideshow settings are defined before building the

  // slideshow.

  if (empty($main_frame_module)) {

    drupal_set_message(t('No main frame module is enabled for views slideshow. This is often because another module which Views Slideshow needs is not enabled. For example, 3.x needs a module like "Views Slideshow: Cycle" enabled.'), 'error');

  }

  elseif (empty($options[$main_frame_module])) {

    drupal_set_message(t('The options for !module does not exists.', array('!module' => $main_frame_module)), 'error');

  }

  elseif (!empty($vars['rows'])) {

    $settings = $options[$main_frame_module];

    $view = $vars['view'];

    $rows = $vars['rows'];

    $vss_id = $view->name . '-' . $view->current_display;

    // Give each slideshow a unique id if there are more than one on the page.

    static $instances = array();

    if (isset($instances[$vss_id])) {

      $instances[$vss_id]++;

      $vss_id .= "_" . $instances[$vss_id];

    }

    else {

      $instances[$vss_id] = 1;

      $vss_id .= '_1';

    }

    // Building our default methods.

    $methods = array(

      'goToSlide' => array(),

      'nextSlide' => array(),

      'pause' => array(),

      'play' => array(),

      'previousSlide' => array(),

      'transitionBegin' => array(),

      'transitionEnd' => array(),

    );

    // Pull all widget info and slideshow info and merge them together.

    $widgets = module_invoke_all('views_slideshow_widget_info');

    $slideshows = module_invoke_all('views_slideshow_slideshow_info');

    $addons = array_merge($widgets, $slideshows);

    // Loop through all the addons and call their methods if needed.

    foreach ($addons as $addon_id => $addon_info) {

      foreach ($addon_info['accepts'] as $imp_key => $imp_value) {

        if (is_array($imp_value)) {

          $methods[$imp_key][] = views_slideshow_format_addons_name($addon_id);

        }

        else {

          $methods[$imp_value][] = views_slideshow_format_addons_name($addon_id);

        }

      }

    }

    $js_settings = array(

      'viewsSlideshow' => array(

        $vss_id => array(

          'methods' => $methods,

          'paused' => 0,

        ),

      ),

    );

    drupal_add_library('views_slideshow', 'views_slideshow');

    drupal_add_js($js_settings, 'setting');

    // Process Skins.

    $skin_info = array();

    if (isset($options['skin_info'])) {

      $skin_info = $options['skin_info'];

    }

    // Make sure $skin_info has all the values.

    $skin_info += array(

      'class' => 'default',

      'name' => t('Untitled skin'),

      'module' => 'views_slideshow',

      'path' => '',

      'stylesheets' => array(),

    );

    $vars['skin'] = $skin_info['class'];

    // Enqueue any stylesheets set for the skin on this view are added.

    $skin_path = drupal_get_path('module', $skin_info['module']);

    if ($skin_info['path']) {

      $skin_path .= '/' . $skin_info['path'];

    }

    // Add stylesheet.

    if (!empty($skin_info['stylesheets'])) {

      foreach ($skin_info['stylesheets'] as $stylesheet) {

        drupal_add_css($skin_path . '/' . $stylesheet);

      }

    }

    // Process Widgets.

    // Build weights.

    for ($i = 1; $i <= count($widgets); $i++) {

      $weight['top'][$i] = array();

      $weight['bottom'][$i] = array();

    }

    foreach ($widgets as $widget_id => $widget_name) {

      // Put our widgets in the right location.

      if ($options['widgets']['top'][$widget_id]['enable']) {

        $widget_weight = ($options['widgets']['top'][$widget_id]['weight'] > count($widgets)) ? count($widgets) : $options['widgets']['top'][$widget_id]['weight'];

        $weight['top'][$widget_weight][] = $widget_id;

      }

      if ($options['widgets']['bottom'][$widget_id]['enable']) {

        $widget_weight = ($options['widgets']['bottom'][$widget_id]['weight'] > count($widgets)) ? count($widgets) : $options['widgets']['bottom'][$widget_id]['weight'];

        $weight['bottom'][$widget_weight][] = $widget_id;

      }

    }

    // Build our widgets.

    foreach ($weight as $location => $order) {

      $vars[$location . '_widget_rendered'] = '';

      foreach ($order as $order_num => $widgets) {

        if (is_array($widgets)) {

          foreach ($widgets as $widget_id) {

            $vars[$widget_id . '_' . $location] = theme(views_theme_functions($widget_id . '_widget_render', $view, $view->display[$view->current_display]), array(

              'vss_id' => $vss_id,

              'view' => $view,

              'settings' => $options['widgets'][$location][$widget_id],

              'location' => $location,

              'rows' => $rows,

            ));

            $vars[$location . '_widget_rendered'] .= $vars[$widget_id . '_' . $location];

          }

        }

      }

    }

    // Process Slideshow.

    $slides = theme(views_theme_functions($main_frame_module . '_main_frame', $view, $view->display[$view->current_display]), array(

      'vss_id' => $vss_id,

      'view' => $view,

      'settings' => $settings,

      'rows' => $rows,

      'options' => $options,

    ));

    $vars['slideshow'] = theme(views_theme_functions('views_slideshow_main_section', $view, $view->display[$view->current_display]), array(

      'vss_id' => $vss_id,

      'slides' => $slides,

      'plugin' => $main_frame_module,

    ));

  }

}

/**

 * The current element of the slideshow.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @return string

 *   The html string for the slideshow element.

 */

function theme_views_slideshow_main_section($vars) {

  return '<div id="' . $vars['plugin'] . '_main_' . $vars['vss_id'] . '" class="' . $vars['plugin'] . '_main views_slideshow_main">' . $vars['slides'] . '</div>';

}

/**

 * Views Slideshow: pager.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @return string

 *   The html string for the pager widget or an empty string if disabled.

 */

function theme_views_slideshow_pager_widget_render($vars) {

  if (isset($vars['settings']['hide_on_single_slide']) && $vars['settings']['hide_on_single_slide'] === 1 && count($vars['rows']) < 2) {

    return '';

  }

  // Add JavaScript settings for the pager type.

  $js_vars = array(

    'viewsSlideshowPager' => array(

      $vars['vss_id'] => array(

        $vars['location'] => array(

          'type' => views_slideshow_format_addons_name($vars['settings']['type']),

          'master_pager' => views_slideshow_format_addons_name($vars['settings']['master_pager']),

        ),

      ),

    ),

  );

  drupal_add_library('views_slideshow', 'views_slideshow');

  drupal_add_js($js_vars, 'setting');

  // Create some attributes.

  $attributes['class'] = 'widget_pager widget_pager_' . $vars['location'];

  $attributes['id'] = 'widget_pager_' . $vars['location'] . '_' . $vars['vss_id'];

  return theme(views_theme_functions($vars['settings']['type'], $vars['view'], $vars['view']->display[$vars['view']->current_display]), array(

    'vss_id' => $vars['vss_id'],

    'view' => $vars['view'],

    'settings' => $vars['settings']

    , 'location' => $vars['location'],

    'attributes' => $attributes,

  ));

}

/**

 * Theme pager fields.

 *

 * @param array $vars

 *   Theme variables.

 */

function template_preprocess_views_slideshow_pager_fields(&$vars) {

  // Build our JavaScript settings.

  $js_vars = array(

    'viewsSlideshowPagerFields' => array(

      $vars['vss_id'] => array(

        $vars['location'] => array(

          'activatePauseOnHover' => $vars['settings']['views_slideshow_pager_fields_hover'],

        ),

      ),

    ),

  );

  // Add the settings to the page.

  drupal_add_library('views_slideshow', 'views_slideshow');

  drupal_add_js($js_vars, 'setting');

  // Add hover intent library.

  if ($vars['settings']['views_slideshow_pager_fields_hover']) {

    if (module_exists('libraries')) {

      // Load jQuery hoverIntent.

      $hoverIntent_path = libraries_get_path('jquery.hoverIntent');

      if (!empty($hoverIntent_path) && file_exists($hoverIntent_path . '/jquery.hoverIntent.js')) {

        drupal_add_js($hoverIntent_path . '/jquery.hoverIntent.js');

      }

    }

  }

  $vars['classes_array'][] = $vars['attributes']['class'];

  $vars['widget_id'] = $vars['attributes']['id'];

  // Add our class to the wrapper.

  $vars['classes_array'][] = 'views_slideshow_pager_field';

  // Render all the fields unless there is only 1 slide and the user specified

  // to hide them when there is only one slide.

  $items_per_slide = (isset($vars['view']->style_options['views_slideshow_cycle']['items_per_slide'])) ? $vars['view']->style_options['views_slideshow_cycle']['items_per_slide'] : null;

  $vars['rendered_field_items'] = '';

  if (empty($vars['settings']['hide_on_single_slide']) || count($vars['view']->result) > $items_per_slide) {

    foreach ($vars['view']->result as $count => $node) {

      $rendered_fields = '';

      foreach ($vars['settings']['views_slideshow_pager_fields_fields'] as $field => $use) {

        if ($use !== 0 && is_object($vars['view']->field[$field])) {

          $rendered_fields .= theme(views_theme_functions('views_slideshow_pager_field_field', $vars['view'], $vars['view']->display[$vars['view']->current_display]), array(

            'view' => $vars['view'],

            'field' => $field,

            'count' => $count,

          ));

        }

      }

      $vars['rendered_field_items'] .= theme(views_theme_functions('views_slideshow_pager_field_item', $vars['view'], $vars['view']->display[$vars['view']->current_display]), array(

        'vss_id' => $vars['vss_id'],

        'item' => $rendered_fields,

        'count' => $count,

        'location' => $vars['location'],

        'length' => count($vars['view']->result),

      ));

    }

  }

}

/**

 * Views Slideshow: pager item.

 *

 * @param array $vars

 *   Theme variables.

 */

function template_preprocess_views_slideshow_pager_field_item(&$vars) {

  $vars['classes_array'][] = 'views_slideshow_pager_field_item';

  $vars['classes_array'][] = ($vars['count'] % 2) ? 'views-row-even' : 'views-row-odd';

  if ($vars['count'] == 0) {

    $vars['classes_array'][] = 'views-row-first';

  }

  elseif ($vars['count'] == $vars['length'] - 1) {

    $vars['classes_array'][] = 'views-row-last';

  }

}

/**

 * Views Slideshow: pager field item field.

 *

 * @param array $vars

 *   Theme variables.

 */

function template_preprocess_views_slideshow_pager_field_field(&$vars) {

  $view = $vars['view'];

  $vars['field_item'] = $view->field[$vars['field']];

  $vars['field_rendered'] = $view->style_plugin->rendered_fields[$vars['count']][$vars['field']];

  $vars['css_id'] = drupal_clean_css_identifier($vars['field_item']->field);

  if (!strstr($vars['field_rendered'], '<a')) {

    $vars['field_rendered'] = "<a href='#slideshow-${vars['count']}'>${vars['field_rendered']}</a>";

  }

}

/**

 * Views Slideshow: Controls.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @return string

 *   The html string for the control widget.

 */

function theme_views_slideshow_controls_widget_render($vars) {

  // Add JavaScript settings for the controls type.

  $js_vars = array(

    'viewsSlideshowControls' => array(

      $vars['vss_id'] => array(

        $vars['location'] => array(

          'type' => views_slideshow_format_addons_name($vars['settings']['type']),

        ),

      ),

    ),

  );

  drupal_add_library('views_slideshow', 'views_slideshow');

  drupal_add_js($js_vars, 'setting');

  $items_per_slide = (isset($vars['view']->style_options['views_slideshow_cycle']['items_per_slide'])) ? $vars['view']->style_options['views_slideshow_cycle']['items_per_slide'] : null;

  $output = '';

  if (empty($vars['settings']['hide_on_single_slide']) || count($vars['rows']) > $items_per_slide) {

    $output = theme(views_theme_functions($vars['settings']['type'], $vars['view'], $vars['view']->display[$vars['view']->current_display]), array(

      'vss_id' => $vars['vss_id'],

      'view' => $vars['view'],

      'settings' => $vars['settings'],

      'location' => $vars['location'],

      'rows' => $vars['rows'],

    ));

  }

  return $output;

}

/**

 * The slideshow controls.

 *

 * @param array $vars

 *   Theme variables.

 */

function template_preprocess_views_slideshow_controls_text(&$vars) {

  $module_path = drupal_get_path('module', 'views_slideshow');

  drupal_add_css($module_path . '/views_slideshow_controls_text.css', array('type' => 'file'));

  $vars['classes_array'][] = 'views_slideshow_controls_text';

  $vars['rendered_control_previous'] = theme(views_theme_functions('views_slideshow_controls_text_previous', $vars['view'], $vars['view']->display[$vars['view']->current_display]), array(

    'vss_id' => $vars['vss_id'],

    'view' => $vars['view'],

    'settings' => $vars['settings'],

  ));

  $vars['rendered_control_pause'] = theme(views_theme_functions('views_slideshow_controls_text_pause', $vars['view'], $vars['view']->display[$vars['view']->current_display]), array(

    'vss_id' => $vars['vss_id'],

    'view' => $vars['view'],

    'settings' => $vars['settings'],

  ));

  $vars['rendered_control_next'] = theme(views_theme_functions('views_slideshow_controls_text_next', $vars['view'], $vars['view']->display[$vars['view']->current_display]), array(

    'vss_id' => $vars['vss_id'],

    'view' => $vars['view'],

    'settings' => $vars['settings'],

  ));

}

/**

 * Views Slideshow: "previous" control.

 *

 * @param array $vars

 *   Theme variables.

 */

function template_preprocess_views_slideshow_controls_text_previous(&$vars) {

  $vars['classes_array'][] = 'views_slideshow_controls_text_previous';

}

/**

 * Views Slideshow: "pause" control.

 *

 * @param array $vars

 *   Theme variables.

 */

function template_preprocess_views_slideshow_controls_text_pause(&$vars) {

  $vars['classes_array'][] = 'views_slideshow_controls_text_pause  views-slideshow-controls-text-status-play';

  $vars['start_text'] = t('Pause');

}

/**

 * Views Slideshow: "next" control.

 *

 * @param array $vars

 *   Theme variables.

 */

function template_preprocess_views_slideshow_controls_text_next(&$vars) {

  $vars['classes_array'][] = 'views_slideshow_controls_text_next';

}

/**

 * Views Slideshow: Slide Counter.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @return string

 *   The html string for the counter widget.

 */

function theme_views_slideshow_slide_counter_widget_render($vars) {

  return theme(views_theme_functions('views_slideshow_slide_counter', $vars['view'], $vars['view']->display[$vars['view']->current_display]), array(

    'vss_id' => $vars['vss_id'],

    'view' => $vars['view'],

    'settings' => $vars['settings'],

    'location' => $vars['location'],

    'rows' => $vars['rows'],

  ));

}

/**

 * Views Slideshow: slide counter.

 *

 * @param array $vars

 *   Theme variables.

 */

function template_preprocess_views_slideshow_slide_counter(&$vars) {

  $vars['classes_array'][] = 'views_slideshow_slide_counter';

  $vars['slide_count'] = count($vars['rows']);

}

/**

 * Backwards compatibility wrapper.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @deprecated Removed in 3.5 when the hook_theme() implementation was fixed.

 *

 * @see template_preprocess_views_slideshow().

 */

function _views_slideshow_preprocess_views_slideshow(&$vars) {

 template_preprocess_views_slideshow($vars);

}

/**

 * Backwards compatibility wrapper.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @deprecated Removed in 3.5 when the hook_theme() implementation was fixed.

 *

 * @see template_preprocess_views_slideshow_pager_fields().

 */

function _views_slideshow_preprocess_views_slideshow_pager_fields(&$vars) {

  template_preprocess_views_slideshow_pager_fields($vars);

}

/**

 * Backwards compatibility wrapper.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @deprecated Removed in 3.5 when the hook_theme() implementation was fixed.

 *

 * @see template_preprocess_views_slideshow_pager_field_item().

 */

function _views_slideshow_preprocess_views_slideshow_pager_field_item(&$vars) {

  template_preprocess_views_slideshow_pager_field_item($vars);

}

/**

 * Backwards compatibility wrapper.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @deprecated Removed in 3.5 when the hook_theme() implementation was fixed.

 *

 * @see template_preprocess_views_slideshow_controls_text().

 */

function _views_slideshow_preprocess_views_slideshow_controls_text(&$vars) {

  template_preprocess_views_slideshow_controls_text($vars);

}

/**

 * Backwards compatibility wrapper.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @see template_preprocess_views_slideshow_controls_text_previous().

 */

function _views_slideshow_preprocess_views_slideshow_controls_text_previous(&$vars) {

  template_preprocess_views_slideshow_controls_text_previous($vars);

}

/**

 * Backwards compatibility wrapper.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @deprecated Removed in 3.5 when the hook_theme() implementation was fixed.

 *

 * @see template_preprocess_views_slideshow_controls_text_pause().

 */

function _views_slideshow_preprocess_views_slideshow_controls_text_pause(&$vars) {

  template_preprocess_views_slideshow_controls_text_pause($vars);

}

/**

 * Backwards compatibility wrapper.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @deprecated Removed in 3.5 when the hook_theme() implementation was fixed.

 *

 * @see template_preprocess_views_slideshow_controls_text_next().

 */

function _views_slideshow_preprocess_views_slideshow_controls_text_next(&$vars) {

  template_preprocess_views_slideshow_controls_text_next($vars);

}

/**

 * Backwards compatibility wrapper.

 *

 * @param array $vars

 *   Theme variables.

 *

 * @deprecated Removed in 3.5 when the hook_theme() implementation was fixed.

 *

 * @see template_preprocess_views_slideshow_slide_counter().

 */

function _views_slideshow_preprocess_views_slideshow_slide_counter(&$vars) {

  template_preprocess_views_slideshow_slide_counter($vars);

}

/**

 * @} End of "defgroup vss_theme".

 */