<?php
// $Id$

/**
 * @file
 * Hooks provided by Views Slideshow.
 */

/**
 * @addtogroup hooks
 * @{
 */

/**
 * Define the type of the slideshow (eg.: cycle, imageflow, ddblock).
 *
 * @return
 *  Associative array of slideshow type and its user friendly name.
 */
function hook_views_slideshow_slideshow_types() {
  $options = array(
    'views_slideshow_cycle' => t('Cycle'),
  );
  return $options;
}

/**
 * Define form fields to be displayed in the views settings form.
 * These fields would help configure your slideshow type.
 */
function hook_views_slideshow_slideshow_type_form(&$form, &$form_state, &$view) {
  $form['views_slideshow_cycle']['effect'] = array(
    '#type' => 'select',
    '#title' => t('Effect'),
    '#options' => $effects,
    '#default_value' => $view->options['views_slideshow_cycle']['effect'],
    '#description' => t('The transition effect that will be used to change between images. Not all options below may be relevant depending on the effect. ' . l('Follow this link to see examples of each effect.', 'http://jquery.malsup.com/cycle/browser.html', array('attributes' => array('target' => '_blank')))),
  );
}

/**
 * Set default values for your form fields specified in hook_views_slideshow_type_form
 *
 * @return
 *  Associative array of slideshow type name and options.
 */
function hook_views_slideshow_option_definition() {
  $options['views_slideshow_cycle'] = array(
    'contains' => array(
      // Transition
      'effect' => array('default' => 'fade'),
      'transition_advanced' => array('default' => 0),
      'timeout' => array('default' => 5000),
      'speed' => array('default' => 700), //normal
      'delay' => array('default' => 0),
      'sync' => array('default' => 1),
      'random' => array('default' => 0),
    )
  );
  return $options;
}

/**
 * Form validation callback for the slideshow settings.
 */
function hook_views_slideshow_options_form_validate(&$form, &$form_state, &$view) {
  if (!is_numeric($form_state['values']['style_options']['views_slideshow_cycle']['speed'])) {
    form_error($form['views_slideshow_cycle']['speed'], t('!setting must be numeric!', array('Speed')));
  }
  if (!is_numeric($form_state['values']['style_options']['views_slideshow_cycle']['timeout'])) {
    form_error($form['views_slideshow_cycle']['speed'], t('!setting must be numeric!', array('timeout')));
  }
  if (!is_numeric($form_state['values']['style_options']['views_slideshow_cycle']['remember_slide_days'])) {
    form_error($form['views_slideshow_cycle']['remember_slide_days'], t('!setting must be numeric!', array('Slide days')));
  }
}

/**
 * Form submission callback for the slideshow settings.
 */
function hook_views_slideshow_options_form_submit($form, &$form_state) {
  // Act on option submission.
}

/**
 * Define slideshow skins to be available to the end user.
 */
function hook_views_slideshow_skins() {
  return array(
    'default' => array(
      'title' => t('Default'),
    ),
  );
}

/**
 * Define new widgets (pagers, controls, counters).
 *
 * @return
 *  Array keyed by the widget names.
 */
function hook_views_slideshow_widget_info() {
  return array(
    'views_slideshow_pager' => 'Pager',
    'views_slideshow_controls' => 'Controls',
    'views_slideshow_slide_counter' => 'Slide Counter',
  );
}

/**
 * Form fields to be added for a specific widget type. Example of a widget type would be views_slideshow_pager or views_slideshow_slide_counter.
 */
function [widget-type]_views_slideshow_widget_form_options(&$form, $form_state, $view, $defaults, $dependency) {
}

/**
 * Define JS methods to be run when a certain slideshow event is fired.
 *
 * Available events:
 *  - viewsSlideshowPause
 *  - viewsSlideshowPlay
 *  - viewsSlideshowNextSlide
 *  - viewsSlideshowPreviousSlide
 *  - viewsSlideshowGoToSlide
 *  - viewsSlideshowTransitionBegin
 *  - viewsSlideshowTransitionEnd
 * @return
 *   array of methods.
 */
function hook_views_slideshow_js_method_register() {
  return array(
    'views_slideshow_cycle',
  );
}

/**
 * Hook called by the pager widget to configure it, the fields that should be shown.
 */
function hook_views_slideshow_pager_settings($view, $option_values, $dependency_prefix) {
}

/**
 * @} End of "addtogroup hooks".
 */