Club Drupal

<?php

/**

 * Implements hook_form_system_theme_settings_alter().

 */

function kanji_form_system_theme_settings_alter(&$form, &$form_state, $form_id = NULL) {

  if (isset($form_id)) {

    return;

  }

  // Layout settings

  $form['kanji'] = array(

    '#default_tab' => 'defaults',

  );

  // Breadcrumbs

  $form['kanji']['breadcrumb'] = array(

    '#type' => 'fieldset',

    '#weight' => '5',

    '#title' => t('Breadcrumbs'),

  );

  $form['kanji']['breadcrumb']['bd']['breadcrumb_display'] = array(

    '#type' => 'select',

    '#title' => t('Show breadcrumbs'),

    '#default_value' => theme_get_setting('breadcrumb_display'),

    '#options' => array(

      'yes' => t('Yes'),

      'no' => t('No'),

    ),

  );

        $form['background'] = array(

    '#type' => 'fieldset',

    '#title' => t('Background settings'),

  );

  $form['background']['default_background'] = array(

    '#type' => 'checkbox',

    '#title' => t('Use the default background-image'),

    '#default_value' => (theme_get_setting('default_background') == 0 ? theme_get_setting('default_background') : 1),

  );

  $form['background']['settings'] = array(

    '#type' => 'container',

    '#states' => array(

      'invisible' => array(

        'input[name="default_background"]' => array('checked' => TRUE),

      ),

    ),

  );

  $form['background']['settings']['path_background'] = array(

    '#type' => 'textfield',

    '#title' => t('Current used background-image'),

    '#default_value' => variable_get('kanji:path_background', ''),

  );

  $form['background']['settings']['upload_background'] = array(

    '#type' => 'file',

    '#title' => t('Upload a background image'),

  );

  $form['background']['settings']['background_color'] = array(

    '#type' => 'checkbox',

    '#title' => t('Use background color'),

    '#description' => t('This will remove the background-image'),

    '#default_value' => (theme_get_setting('background_color') == 0 ? theme_get_setting('background_color') : 1),

  );

  $form['background']['settings']['background_color_value'] = array(

    '#type' => 'textfield',

    '#title' => t('Provide the backgroundcolor'),

    '#description' => t('Give the value for the background-color, example: FFF, 000'),

    '#default_value' => variable_get('kanji:background_color_value', ''),

    '#field_prefix' => '#',

    '#states' => array(

      'invisible' => array(

        'input[name="background_color"]' => array('checked' => FALSE),

      ),

    ),

  );

  $form['#validate'][] = 'kanji_theme_settings_validate';

  $form['#submit'][] = 'kanji_theme_settings_submit';

}

function kanji_theme_settings_validate($form, &$form_state) {

// Handle file uploads.

  $validators = array('file_validate_is_image' => array());

  // Check for a new uploaded logo.

  $file = file_save_upload('upload_background', $validators, FALSE, FILE_EXISTS_REPLACE);

  if (isset($file)) {

    // File upload was attempted.

    if ($file) {

      // Put the temporary file in form_values so we can save it on submit.

      $form_state['values']['upload_background'] = $file;

    }

    else {

      // File upload failed.

      form_set_error('upload_background', t('The header could not be uploaded.'));

    }

  }

  // If the user provided a path for a logo or favicon file, make sure a file

  // exists at that path.

  if ($form_state['values']['path_background']) {

    $path = _system_theme_settings_validate_path($form_state['values']['path_background']);

    if (!$path) {

      form_set_error('path_background', t('The custom header path is invalid.'));

    }

  }

  if ($form_state['values']['background_color'] == true && !empty($form_state['values']['background_color_value'])) {

    if (!preg_match("/^[A-Za-z0-9]+$/", $form_state['values']['background_color_value'])) {

      form_set_error('background_color_value', t('The color must be a HEX value, example ff0000'));

    }

  }

}

function kanji_theme_settings_submit($form, &$form_state) {

  $values = $form_state['values'];

  // If the user uploaded a new header image, save it to a permanent location

  if ($file = $values['upload_background']) {

    unset($values['upload_background']);

    $filename = file_unmanaged_copy($file->uri, NULL, FILE_EXISTS_REPLACE);

    $values['path_background'] = $filename;

  }

  // If the user entered a path relative to the system files directory for

  // a header image, store a public:// URI so the theme system can handle it.

  if (!empty($values['path_background'])) {

    $values['path_background'] = _system_theme_settings_validate_path($values['path_background']);

    variable_set('kanji:path_background', $values['path_background']);

  }

  if (!empty($values['background_color_value'])) {

    variable_set('kanji:background_color_value', $values['background_color_value']);

  }

  //Delete background settings when the default background is used

  if ($values['default_background'] == 1) {

          variable_del('kanji:path_background');

    variable_del('kanji:background_color_value');

  }

}