Club Drupal

<?php

/**

 * @file

 * Theme settings plugin.

 */

class sweaver_plugin_themesettings extends sweaver_plugin {

  /**

   * Init function.

   */

  public function sweaver_init() {

    // Override theme settings in $conf variable when in Draft.

    if (sweaver_session(NULL, 'draft_mode') || sweaver_session(NULL, 'sweaver_temp')) {

      $sweaver = Sweaver::get_instance();

      $sweaver_style = $sweaver->get_current_style();

      if (isset($sweaver_style->themesettings) && !empty($sweaver_style->themesettings)) {

        global $conf;

        $theme_settings_name = str_replace('/', '_', 'theme_'. $sweaver->get_theme_key() .'_settings');

        $conf[$theme_settings_name] = unserialize($sweaver_style->themesettings);

      }

    }

  }

  /**

   * Frontend form.

   */

  public function sweaver_form() {

    $form = array();

    $form['#popups'] = array();

    // Get theme settings form.

    $themesettings = array();

    $sweaver = Sweaver::get_instance();

    $sweaver_style = $sweaver->get_current_style();

    if (isset($sweaver_style->themesettings) && !empty($sweaver_style->themesettings)) {

      $themesettings = unserialize($sweaver_style->themesettings);

    }

    $form = $this->sweaver_get_theme_settings_form($sweaver->get_theme_key(), $themesettings);

    // Add extra property for theme settings which need to be saved also.

    // Form alters on the theme settings form must be put those keys in this array.

    $form['#sweaver_other_themesettings'] = array();

    // Let other modules alter the form.

    $form['#method'] = 'post';

    $form_state['method'] = 'post';

    drupal_prepare_form('system_theme_settings', $form, $form_state);

    // We need to unset the #type, otherwise a nested form is created, which breaks in IE7.

    unset($form['#type']);

    // Convert all fieldsets to buttons. The content of those fieldsets

    // will be moved into the Sweaver popup.

    $i = 1;

    $weight = -100;

    foreach (element_children($form) as $key) {

      if (isset($form[$key]['#type']) && $form[$key]['#type'] == 'fieldset') {

        // Skip fieldsets which the user doesn't have access to.

        if (isset($form[$key]['#access']) && $form[$key]['#access'] === FALSE) {

          continue;

        }

        $title = $form[$key]['#title'];

        $form['item_'. $i] = array(

          '#markup' => '<div class="popup-link"><a href="#" id="theme-settings-link-'. $i .'">'. check_plain($title) .'</a></div>',

          '#weight' => $weight++,

        );

        if (isset($form[$key]['#prefix'])) {

          $form[$key]['#prefix'] .= '<div style="display:none" id="theme-settings-data-'. $i .'">';

        }

        else {

          $form[$key]['#prefix'] = '<div style="display:none"id="theme-settings-data-'. $i .'">';

        }

        if (isset($form[$key]['#suffix'])) {

          $form[$key]['#suffix'] = '</div>'. $form[$key]['#suffix'];

        }

        else {

          $form[$key]['#suffix'] = '</div>';

        }

        unset($form[$key]['#collapsible']);

        unset($form[$key]['#collapsed']);

        unset($form[$key]['#attributes']);

        // Add to popups.

        $form['#popups'][] = $key;

        $i++;

      }

    }

    // Deny access to the buttons and add our own.

    $form['buttons']['#access'] = FALSE;

    $form['theme_settings_apply'] = array(

      '#type' => 'submit',

      '#value' => t('Apply theme settings'),

      '#prefix' => '<div class="clearfix"></div>',

    );

    return $form;

  }

  /**

   * Frontend form submit.

   */

  public function sweaver_form_submit($form, &$form_state) {

    $values = $form_state['values'];

    $theme_key = $values['var'];

    $clicked_button = $form_state['clicked_button']['#value'];

    // Save style.

    if ($clicked_button == t('Save and continue') || $clicked_button == t('Save and publish') || $clicked_button == t('Publish style') || $clicked_button == t('Apply theme settings')) {

      // Style id is not always set.

      $style_id = isset($form_state['style_id']) ? $form_state['style_id'] : 'temp';

      // General theme settings.

      $theme_values = array();

      $theme_settings_form = $form['sweaver_plugin_themesettings']['form']['theme_settings'];

      $theme_form_keys = element_children($theme_settings_form);

      // Logo and favicon.

      if (isset($form['sweaver_plugin_themesettings']['form']['logo'])) {

        $theme_form_keys = array_merge($theme_form_keys, array('default_logo', 'logo_path', 'logo_upload'));

      }

      if (isset($form['sweaver_plugin_themesettings']['form']['favicon'])) {

        $theme_form_keys = array_merge($theme_form_keys, array('default_favicon', 'favicon_path', 'favicon_upload'));

      }

      // Theme specific settings.

      if (isset($form['sweaver_plugin_themesettings']['form']['theme_specific'])) {

        $theme_specific_keys = array();

        $fapi_types = array('select', 'checkbox', 'checkboxes', 'textfield', 'textarea', 'value', 'hidden', 'radio', 'weight', 'radios');

        $this->sweaver_get_theme_specific_keys($form['sweaver_plugin_themesettings']['form']['theme_specific'], $theme_specific_keys, $fapi_types);

        $theme_form_keys = array_merge($theme_form_keys, $theme_specific_keys);

      }

      // Other variables which are set by other form alters.

      // All keys must be put in a $form['#sweaver_other_themesettings'];

      $theme_form_keys = array_merge($theme_form_keys, $form['sweaver_plugin_themesettings']['form']['#sweaver_other_themesettings']);

      // Only save the necessary theme values.

      foreach ($values as $fkey => $fvalue) {

        if (in_array($fkey, $theme_form_keys)) {

          $theme_values[$fkey] = $fvalue;

        }

      }

      // Rename logo / favicon when needed.

      foreach (array('logo_path', 'favicon_path') as $file) {

        // Create the default variable for this file.

        $default = 'default_' . str_replace('_path', '', $file);

        $theme_name = $form['#current_theme'];

        // Rename when just uploaded.

        if (isset($form['sweaver_plugin_themesettings']['form']['#'. $file])) {

          $type = str_replace('_path', '', $file);

          $source_path = $form['sweaver_plugin_themesettings']['form']['#' . $file];

          $dest_draft = 'public://sweaver/' . $type . '_' . $theme_name . '_' . $style_id . '_draft.' . $form['sweaver_plugin_themesettings']['form']['#' . $file . '_extension'];

          file_unmanaged_move($source_path, $dest_draft, FILE_EXISTS_REPLACE);

          $theme_values[$file] = $dest_draft;

          $theme_values[$default] = 0;

        }

        // Move temporary if needed.

        if ($style_id != 'temp' && !$theme_values[$default] && !empty($theme_values[$file]) && strpos($theme_values[$file], 'temp_draft') !== FALSE) {

          $type = str_replace('_path', '', $file);

          $parts = pathinfo($theme_values[$file]);

          $temp_path = $theme_values[$file];

          $dest_draft = 'public://sweaver/' . $type . '_'. $theme_name . '_' . $style_id . '_draft.' . $parts['extension'];

          file_unmanaged_move($temp_path, $dest_draft, FILE_EXISTS_REPLACE);

          $theme_values[$file] = $dest_draft;

        }

        // Copy to live if save_live is found. Can either be directly after the upload

        // or when setting a style live after the uploads were done already.

        if (isset($form_state['publish']) && $form_state['publish'] && !$theme_values[$default] && !empty($theme_values[$file])) {

          $source_path = $theme_values[$file];

          $dest_live = str_replace('_draft', '_live', $theme_values[$file]);

          file_unmanaged_copy($source_path, $dest_live, FILE_EXISTS_REPLACE);

          $theme_values[$file] = $dest_live;

        }

      }

      // Save when style_id is found. Always save the draft version. If the

      // save_live key is found also update the live table.

      if ($style_id != 'temp') {

        $theme_values_serialized = serialize($theme_values);

        db_query("UPDATE {sweaver_style_draft} set themesettings = :themesettings WHERE style_id = :style_id", array(':themesettings' => $theme_values_serialized, ':style_id' => $style_id));

        if ($form_state['publish']) {

          variable_set($theme_key, $theme_values);

          db_query("UPDATE {sweaver_style} set themesettings = :themesettings WHERE style_id = :style_id", array(':themesettings' => $theme_values_serialized, ':style_id' => $style_id));

        }

        // Fire other submit functions on the theme settings form.

        $submit_handlers = isset($form['sweaver_plugin_themesettings']['form']['#submit']) ? $form['sweaver_plugin_themesettings']['form']['#submit'] : array();

        foreach ($submit_handlers as $key => $function) {

          if (function_exists($function)) {

            $function($form['sweaver_plugin_themesettings']['form'], $form_state);

          }

        }

      }

      else {

        // Save to CTools object cache.

        $sweaver = Sweaver::get_instance();

        ctools_include('object-cache');

        $style = $sweaver->get_current_style();

        if (!isset($style->style_id)) {

          $style = new stdClass;

          $style->style_id = 0;

          $style->style = t('Temporary');

          $style->css = '';

          $style->customcss = '';

          $style->palette = '';

        }

        $style->themesettings = serialize($theme_values);

        ctools_object_cache_set('sweaver-styling', 'sweaver-styling', $style);

        sweaver_session(t('The theme settings have been applied.'));

        sweaver_session(TRUE, 'sweaver_temp');

      }

    }

    // Delete style.

    if (isset($form_state['style_to_delete'])) {

      $style = $form_state['style_to_delete'];

      // Reset theme settings when active.

      if ($form_state['style_active']) {

        variable_del($theme_key);

      }

    }

  }

  /**

   * Frontend css and js.

   */

  public function sweaver_form_css_js(&$inline_settings) {

    drupal_add_js('misc/collapse.js');

  }

  /**

   * Get theme specific keys.

   */

  public function sweaver_get_theme_specific_keys($theme_specific_form, &$theme_specific_keys, $fapi_types) {

    $children = element_children($theme_specific_form);

    foreach ($children as $element) {

      if (in_array($theme_specific_form[$element]['#type'], $fapi_types)) {

        $theme_specific_keys[] = $element;

      }

      else {

        $this->sweaver_get_theme_specific_keys($theme_specific_form[$element], $theme_specific_keys, $fapi_types);

      }

    }

  }

  /**

   * Get theme settings form.

   * We basically copy the form from system.admin.inc. This makes it easer to

   * copy the uploads of the favicon & logo to revision versions of the style

   * and getting the right settings for the theme.

   *

   * People altering form and having also uploads wishing to work with sweaver must

   * handle the revisioning themeselves.

   *

   * @param $key

   *   The name of the theme.

   * @param $revision_theme_settings

   *   Revisions theme settings.

   */

  public function sweaver_get_theme_settings_form($key, $revision_theme_settings) {

    $has_theme = FALSE;

    $form_state = array();

    $features = array();

    // Default settings are defined in theme_get_setting() in includes/theme.inc

    if ($key) {

      $var = 'theme_' . $key . '_settings';

      $all_themes = sweaver_get_all_themes();

      $theme_info = $all_themes[$key];

      $features = $theme_info->info['features'];

    }

    else {

      $var = 'theme_settings';

    }

    $form['var'] = array('#type' => 'hidden', '#value' => $var);

    // Check for a new uploaded logo. Put it in the form

    // so we can give it the right filename in the submit function.

    if ($file = file_save_upload('logo_upload', array('file_validate_is_image' => array()))) {

      $parts = pathinfo($file->uri);

      $filename = 'public://sweaver/temp_logo.' . $parts['extension'];

      $form['#logo_path'] = $filename;

      $form['#logo_path_extension'] = $parts['extension'];

      // The image was saved using file_save_upload() and was added to the

      // files table as a temporary file. We'll make a copy and let the garbage

      // collector delete the original upload.

      if (file_unmanaged_copy($file->uri, $filename, FILE_EXISTS_REPLACE)) {

        $_POST['default_logo'] = 0;

        $_POST['logo_path'] = $file->uri;

        $_POST['toggle_logo'] = 1;

      }

    }

    // Check for a new uploaded favicon. Put it in the form

    // so we can give it the right filename in the submit function.

    if ($file = file_save_upload('favicon_upload')) {

      $parts = pathinfo($file->uri);

      $filename = 'public://sweaver/temp_favicon.' . $parts['extension'];

      $form['#favicon_path'] = $filename;

      $form['#favicon_path_extension'] = $parts['extension'];

      // The image was saved using file_save_upload() and was added to the

      // files table as a temporary file. We'll make a copy and let the garbage

      // collector delete the original upload.

      if (file_unmanaged_copy($file->uri, $filename)) {

        $_POST['default_favicon'] = 0;

        $_POST['favicon_path'] = $file->uri;

        $_POST['toggle_favicon'] = 1;

      }

    }

    // Toggle settings

    $toggles = array(

      'logo'                 => t('Logo'),

      'name'                 => t('Site name'),

      'slogan'               => t('Site slogan'),

      'mission'              => t('Mission statement'),

      'node_user_picture'    => t('User pictures in posts'),

      'comment_user_picture' => t('User pictures in comments'),

      'search'               => t('Search box'),

      'favicon'              => t('Shortcut icon'),

      'primary_links'        => t('Primary links'),

      'secondary_links'      => t('Secondary links'),

    );

    // Some features are not always available

    $disabled = array();

    if (!variable_get('user_pictures', 0)) {

      $disabled['toggle_node_user_picture'] = TRUE;

      $disabled['toggle_comment_user_picture'] = TRUE;

    }

    if (!module_exists('search')) {

      $disabled['toggle_search'] = TRUE;

    }

    $form['theme_settings'] = array(

      '#type' => 'fieldset',

      '#title' => t('Toggle display'),

      '#description' => t('Enable or disable the display of certain page elements.'),

    );

    foreach ($toggles as $name => $title) {

      if ((!$key) || in_array($name, $features)) {

        $form['theme_settings']['toggle_' . $name] = array('#type' => 'checkbox', '#title' => check_plain($title), '#default_value' => $this->sweaver_has_theme_setting('toggle_' . $name, $key, $revision_theme_settings));        // Disable checkboxes for features not supported in the current configuration.

        if (isset($disabled['toggle_'. $name])) {

          $form['theme_settings']['toggle_'. $name]['#disabled'] = TRUE;

        }

      }

    }

    // System wide only settings.

    if (!element_children($form['theme_settings'])) {

      // If there is no element in the theme settings fieldset then do not show

      // it -- but keep it in the form if another module wants to alter.

      $form['theme_settings']['#access'] = FALSE;

    }

    // Logo settings

    if ((!$key) || in_array('logo', $features)) {

      $form['logo'] = array(

        '#type' => 'fieldset',

        '#title' => t('Logo image settings'),

        '#description' => t('If toggled on, the following logo will be displayed.'),

        '#attributes' => array('class' => array('theme-settings-bottom')),

      );

      $form['logo']['default_logo'] = array(

        '#type' => 'checkbox',

        '#title' => t('Use the default logo'),

        '#default_value' => $this->sweaver_has_theme_setting('default_logo', $key, $revision_theme_settings),

        '#tree' => FALSE,

        '#description' => t('Check here if you want the theme to use the logo supplied with it.')

      );

      $form['logo']['logo_path'] = array(

        '#type' => 'textfield',

        '#title' => t('Path to custom logo'),

        '#default_value' => $this->sweaver_has_theme_setting('logo_path', $key, $revision_theme_settings),

        '#description' => t('The path to the file you would like to use as your logo file instead of the default logo.'));

      $form['logo']['logo_upload'] = array(

        '#type' => 'file',

        '#title' => t('Upload logo image'),

        '#maxlength' => 40,

        '#description' => t("If you don't have direct file access to the server, use this field to upload your logo.")

      );

    }

    if ((!$key) || in_array('favicon', $features)) {

      $form['favicon'] = array(

        '#type' => 'fieldset',

        '#title' => t('Shortcut icon settings'),

        '#description' => t("Your shortcut icon, or 'favicon', is displayed in the address bar and bookmarks of most browsers.")

      );

      $form['favicon']['default_favicon'] = array(

        '#type' => 'checkbox',

        '#title' => t('Use the default shortcut icon.'),

        '#default_value' => $this->sweaver_has_theme_setting('default_favicon', $key, $revision_theme_settings),

        '#description' => t('Check here if you want the theme to use the default shortcut icon.')

      );

      $form['favicon']['favicon_path'] = array(

        '#type' => 'textfield',

        '#title' => t('Path to custom icon'),

        '#default_value' => $this->sweaver_has_theme_setting('favicon_path', $key, $revision_theme_settings),

        '#description' => t('The path to the image file you would like to use as your custom shortcut icon.')

      );

      $form['favicon']['favicon_upload'] = array(

        '#type' => 'file',

        '#title' => t('Upload icon image'),

        '#description' => t("If you don't have direct file access to the server, use this field to upload your shortcut icon.")

      );

    }

    if ($key) {

      // Call engine-specific settings.

      $function = $theme_info->prefix . '_engine_settings';

      if (function_exists($function)) {

        $form['engine_specific'] = array(

          '#type' => 'fieldset',

          '#title' => t('Theme-engine-specific settings'),

          '#description' => t('These settings only exist for the themes based on the %engine theme engine.', array('%engine' => $themes[$key]->prefix)),

        );

        $function($form, $form_state);

      }

      // Create a list which includes the current theme and all its base themes.

      if (isset($themes[$key]->base_themes)) {

        $theme_keys = array_keys($themes[$key]->base_themes);

        $theme_keys[] = $key;

      }

      else {

        $theme_keys = array($key);

      }

      // Save the name of the current theme (if any), so that we can temporarily

      // override the current theme and allow theme_get_setting() to work

      // without having to pass the theme name to it.

      $default_theme = !empty($GLOBALS['theme_key']) ? $GLOBALS['theme_key'] : NULL;

      $GLOBALS['theme_key'] = $key;

      // Process the theme and all its base themes.

      foreach ($theme_keys as $theme) {

        // Include the theme-settings.php file.

        $filename = DRUPAL_ROOT . '/' . str_replace("/$theme.info", '', $theme_info->filename) . '/theme-settings.php';

        if (file_exists($filename)) {

          require_once $filename;

        }

        // Call theme-specific settings.

        $function = $theme . '_form_system_theme_settings_alter';

        if (function_exists($function)) {

          $function($form, $form_state);

        }

      }

      // Restore the original current theme.

      if (!is_null($default_theme)) {

        $GLOBALS['theme_key'] = $default_theme;

      }

      else {

        unset($GLOBALS['theme_key']);

      }

    }

    return $form;

  }

  /**

   * Helper function.

   *

   * @param $revision_theme_settings

   * @param $theme_setting

   */

  function sweaver_has_theme_setting($theme_setting, $theme, $revision_theme_settings) {

    if (isset($revision_theme_settings[$theme_setting])) {

      return $revision_theme_settings[$theme_setting];

    }

    else {

      return theme_get_setting($theme_setting, $theme);

    }

  }

}