<?php

/**
 * @file
 * Views Slideshow Configurable Controls hook implementations.
 */

/**
 * Implements hook_theme().
 */
function vscc_theme($existing, $type, $theme, $path) {
  return array(
    'vscc_controls' => array(
      'variables' => array('vss_id' => NULL, 'view' => NULL, 'settings' => array(), 'location' => NULL, 'rows' => array()),
      'template' => 'theme/vscc_controls',
    ),
    'vscc_control' => array(
      'variables' => array('skin' => NULL, 'element' => NULL, 'vss_id' => NULL, 'view' => NULL, 'settings' => array(), 'location' => NULL, 'rows' => array()),
      'file' => 'vscc.theme.inc',
      'path' => drupal_get_path('module', 'vscc') . '/theme',
    ),
    'vscc_element_text' => array(
      'variables' => array('element' => NULL, 'vss_id' => NULL, 'view' => NULL, 'settings' => array(), 'location' => NULL, 'rows' => array()),
      'file' => 'vscc.theme.inc',
      'path' => drupal_get_path('module', 'vscc') . '/theme',
    ),
    'vscc_element_white_icons' => array(
      'variables' => array('element' => NULL, 'vss_id' => NULL, 'view' => NULL, 'settings' => array(), 'location' => NULL, 'rows' => array()),
      'file' => 'vscc.theme.inc',
      'path' => drupal_get_path('module', 'vscc') . '/theme',
    ),
    'vscc_element_black_icons' => array(
      'variables' => array('element' => NULL, 'vss_id' => NULL, 'view' => NULL, 'settings' => array(), 'location' => NULL, 'rows' => array()),
      'file' => 'vscc.theme.inc',
      'path' => drupal_get_path('module', 'vscc') . '/theme',
    ),
  );
}

/**
 * @TODO
 *   Use #attached and render array instead of drupal_add_*.
 */
function template_preprocess_vscc_controls(&$vars) {
  $vars['classes_array'][] = 'vscc_controls';

  drupal_add_js(drupal_get_path('module', 'vscc') . '/js/vscc.js');
  drupal_add_css(drupal_get_path('module', 'vscc') . '/vscc.css');

  $theme_vars = array_merge($vars, array('skin' => $vars['settings']['vscc_controls_skin']));

  $vars['rendered_control_previous'] = theme('vscc_control', array_merge($theme_vars, array('element' => 'previous')));

  if ($vars['settings']['vscc_controls_pause']) {
    $vars['rendered_control_pause'] = theme('vscc_control', array_merge($theme_vars, array('element' => 'pause')));
  }

  $vars['rendered_control_next'] = theme('vscc_control', array_merge($theme_vars, array('element' => 'next')));
}

/**
 * Implements hook_views_slideshow_controls_info().
 */
function vscc_views_slideshow_widget_controls_info($view) {
  return array(
    'vscc_controls' => array(
      'name' => t('Configurable controls'),
    ),
  );
}

/**
 * Implements hook_views_slideshow_option_definition().
 */
function vscc_views_slideshow_option_definition() {
  $locations = array('top', 'bottom');

  foreach ($locations as $location) {
    $options['widgets']['contains'][$location]['contains']['views_slideshow_controls']['contains']['vscc_controls_pause'] = array('default' => TRUE);
    $options['widgets']['contains'][$location]['contains']['views_slideshow_controls']['contains']['vscc_controls_skin'] = array('default' => 'text');
  }

  return $options;
}

/**
 * Implements [control_key]_views_slideshow_widget_controls_form_options().
 */
function vscc_controls_views_slideshow_widget_controls_form_options(&$form, &$form_state, &$view, $defaults, $dependency) {
  $closure = end($form);
  $closure_key = key($form);
  array_pop($form);
    // Need to wrap this so it indents correctly.
  $form['vscc_controls_wrapper'] = array(
    '#markup' => '<div class="vs-dependent-lvl3">',
  );

  $elements_states = array(
    'visible' => array(
      ':input[name="' . $dependency . '[enable]"]' => array('checked' => TRUE),
      ':input[name="' . $dependency . '[type]"]' => array('value' => 'vscc_controls'),
    ),
  );
  $form['vscc_controls_pause'] = array(
    '#type' => 'checkbox',
    '#title' => t('Display pause control'),
    '#states' => $elements_states,
    '#default_value' => $defaults['vscc_controls_pause'],
  );

  $skins = module_invoke_all('vscc_skin_info');
  $options = array();
  foreach ($skins as $key => $skin) {
    $options[$key] = $skin['name'];
  }

  $form['vscc_controls_skin'] = array(
    '#type' => 'select',
    '#title' => t('Controls skin'),
    '#states' => $elements_states,
    '#options' => $options,
    '#default_value' => $defaults['vscc_controls_skin'],
  );

  $form['vscc_controls_wrapper_close'] = array(
    '#markup' => '</div>',
  );
  $form[$closure_key] = $closure;
}

/**
 * Implements hook_vscc_skin_info().
 */
function vscc_vscc_skin_info() {
  return array(
    'text' => array(
      'name' => t('Text'),
    ),
    'white_icons' => array(
      'name' => t('White icons'),
    ),
    'black_icons' => array(
      'name' => t('Black icons'),
    )
  );
}