<?php
/**
 * @file
 * Functionality for the admin form of the theme.
 */

$path_rijkshuisstijl = drupal_get_path('theme', 'rijkshuisstijl');
  include_once './' . $path_rijkshuisstijl . '/functions/misc.php';

/**
 * Implements hook_form_system_theme_settings_alter().
 */
function rijkshuisstijl_form_system_theme_settings_alter(&$form, $form_state) {
  // Add some stylesheets for the theme settings.
  drupal_add_css(drupal_get_path('theme', 'rijkshuisstijl') . '/styles/theme-settings.css', array(
    'group' => CSS_THEME,
    'weight' => 115,
    'preprocess' => FALSE,
  ));

  // Disable some required display toggles.
  $form['theme_settings']['toggle_logo']['#disabled'] = TRUE;

  // Override the logo path form element with our own logo form element.
  $form['logo']['settings']['logo_path'] = array(
    '#type' => 'select',
    '#title' => t('Custom logo'),
    '#options' => _rijkshuisstijl_defined_logos(),
    '#default_value' => theme_get_setting('logo_path'),
    '#description' => t('Select a custom logo for a specific government agency.'),
  );
  // Remove the logo upload form from the display.
  $form['logo']['settings']['logo_upload']['#access'] = FALSE;

  $form['titlebar'] = array(
    '#type' => 'fieldset',
    '#title' => t('Titlebar settings'),
    '#weight' => -20,
  );

  $form['titlebar']['default_titlebar'] = array(
    '#type' => 'checkbox',
    '#title' => t('Use the default site title and slogan in the titlebar.'),
    '#default_value' => theme_get_setting('default_titlebar', 'rijkshuisstijl'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
  );

  $form['titlebar']['settings'] = array(
    '#type' => 'container',
    '#states' => array(
      // Hide the titlebar settings when using the default logo.
      'invisible' => array(
        'input[name="default_titlebar"]' => array('checked' => TRUE),
      ),
    ),
  );

  $form['titlebar']['settings']['titlebar_title'] = array(
    '#type' => 'textfield',
    '#title' => t('Custom titlebar title'),
    '#default_value' => theme_get_setting('titlebar_title', 'rijkshuisstijl'),
    '#size' => 60,
    '#maxlength' => 128,
    '#description' => t("Override the titlebar's title with a custom title."),
  );

  $form['titlebar']['settings']['titlebar_slogan'] = array(
    '#type' => 'textfield',
    '#title' => t('Custom titlebar slogan'),
    '#default_value' => theme_get_setting('titlebar_slogan', 'rijkshuisstijl'),
    '#size' => 60,
    '#maxlength' => 128,
    '#description' => t("Override the titlebar's slogan with a custom slogan."),
  );

  $form['color'] = array(
    '#type' => 'fieldset',
    '#title' => t('Color settings'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    '#weight' => -19,
  );

  $colours = _rijkshuisstijl_defined_colours();
  $colours_assoc = array();
  foreach (_rijkshuisstijl_defined_colours() as $index => $colour) {
    $colours_assoc[$colour] = _rijkshuisstijl_format_color_swatch($colour);
  }

  $form['color']['color_swatch'] = array(
    '#type' => 'radios',
    '#title' => t('Color swatches'),
    '#options' => $colours_assoc,
    '#default_value' => theme_get_setting('color_swatch', 'rijkshuisstijl'),
  );

  $form['system'] = array(
    '#type' => 'fieldset',
    '#title' => t('System settings'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    '#weight' => -18,
  );

  $form['system']['system_type'] = array(
    '#type' => 'radios',
    '#title' => t('Type'),
    '#default_value' => theme_get_setting('system_type', 'rijkshuisstijl'),
    '#options' => array(
      // @todo This should be defined somewhere else.
      'internet' => 'Internet',
      'intranet' => 'Intranet / External Application',
      'application' => 'Internal Application',
    ),
    // @todo Should the colors be influenced?
    '#description' => t('The choice of %system influenced the layout, the available colors and other theme settings.', array(
      '%system' => 'system',
    )),
  );

  $form['internet_settings'] = array(
    '#type' => 'fieldset',
    '#title' => t('Internet Settings'),
    '#collapsible' => TRUE,
    '#collapsed' => FALSE,
    '#states' => array(
      'visible' => array(
        ':input[name="system_type"]' => array('value' => 'internet'),
      ),
    ),
    '#weight' => -17,
  );

  $form['internet_settings']['system_width'] = array(
    '#type' => 'radios',
    '#title' => t('Width And Column Behaviour'),
    '#default_value' => theme_get_setting('system_width'),
    '#options' => drupal_map_assoc(array('default', 'wide', 'wider', 'liquid')),
    '#description' => t('Select the behaviour for the sizing of columns.'),
  );
}