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class web_widgets_plugin_display_web_widgets in Web Widgets 7

Same name and namespace in other branches
  1. 6 views/web_widgets_plugin_display_web_widgets.inc \web_widgets_plugin_display_web_widgets

The plugin that handles a feed, such as RSS or atom.

For the most part, feeds are page displays but with some subtle differences.

Hierarchy

Expanded class hierarchy of web_widgets_plugin_display_web_widgets

1 string reference to 'web_widgets_plugin_display_web_widgets'
web_widgets_views_plugins in views/web_widgets.views.inc
Implements hook_views_plugins().

File

views/web_widgets_plugin_display_web_widgets.inc, line 13
Implementation of widget display.

View source
class web_widgets_plugin_display_web_widgets extends views_plugin_display_page {
  function has_path() {
    return TRUE;
  }
  function uses_breadcrumb() {
    return FALSE;
  }

  /**
   * web_widgets do not go through the normal page theming mechanism. Instead, they
   * go through their own little theme function and then return NULL so that
   * Drupal believes that the page has already rendered itself...which it has.
   */
  function execute() {
    $output = $this->view
      ->render();
    if (empty($output)) {
      return drupal_not_found();
    }
    print $output;
  }
  function preview() {
    return $this->view
      ->render();
  }

  /**
   * Instead of going through the standard views_view.tpl.php, delegate this
   * to the style handler.
   */
  function render() {

    // Ensure that the embed style functions are available
    $current_style = $this
      ->get_option('embed_style');
    $current_style = empty($current_style) ? 'iframe' : $current_style;
    require_once DRUPAL_ROOT . '/' . web_widgets_get_style_inc($current_style);

    // See if the render() function is "overloaded" or not
    web_widgets_inside_widget(TRUE);
    $render_func = 'web_widgets_' . $current_style . '_render';
    if (function_exists($render_func)) {
      $output = $render_func($this);
    }
    else {

      // Fallback to default way
      // TODO Please change this theme call to use an associative array for the $variables parameter.
      $content = theme($this
        ->theme_functions(), array(
        'view' => $this->view,
      ));
      $code = '';
      $track = $this
        ->get_option('track');
      if (!empty($track)) {

        // TODO Please change this theme call to use an associative array for the $variables parameter.
        $code = theme('web_widgets_tracking_code', $track);
      }
      $title = $this->view
        ->get_title();
      $output = web_widgets_render_widget($current_style, $code . $content, $title);
    }
    web_widgets_inside_widget(FALSE);
    return $output;
  }
  function option_definition() {
    $options = parent::option_definition();
    $options['displays'] = array(
      'default' => array(),
    );

    // Overrides for standard stuff:
    $options['style_plugin']['default'] = 'rss';
    $options['style_options']['default'] = array(
      'mission_description' => FALSE,
      'description' => '',
    );
    $options['sitename_title']['default'] = FALSE;
    $options['row_plugin']['default'] = '';
    $options['defaults']['default']['style_plugin'] = 'views_plugin_style_list';
    $options['defaults']['default']['style_options'] = FALSE;
    $options['defaults']['default']['row_plugin'] = 'views_plugin_row_fields';
    $options['defaults']['default']['row_options'] = FALSE;

    // Extra display options:
    $options['embed_style']['default'] = 'iframe';
    $options['width']['default'] = 200;
    $options['height']['default'] = 200;
    $options['track']['default'] = NULL;
    return $options;
  }

  /**
   * Provide the default form for setting options.
   */
  function options_form(&$form, &$form_state) {

    // It is very important to call the parent function here.
    parent::options_form($form, $form_state);
    switch ($form_state['section']) {
      case 'displays':
        $form['#title'] .= t('Attach embed code to');
        $displays = array();
        foreach ($this->view->display as $display_id => $display) {
          if (!empty($display->handler) && $display->handler
            ->accept_attachments()) {
            $displays[$display_id] = $display->display_title;
          }
        }
        $form['displays'] = array(
          '#type' => 'checkboxes',
          '#description' => t('The embed code will be displayed on the selected displays.'),
          '#options' => $displays,
          '#default_value' => $this
            ->get_option('displays'),
        );
        break;
      case 'dimension':
        $form['width'] = array(
          '#type' => 'textfield',
          '#description' => t('The width of the widget in pixels (not respected by all embed styles).'),
          '#default_value' => $this
            ->get_option('width'),
        );
        $form['height'] = array(
          '#type' => 'textfield',
          '#description' => t('The height of the widget in pixels (not respected by all embed styles).'),
          '#default_value' => $this
            ->get_option('height'),
        );
        break;
      case 'embed_style':
        $form['embed_style'] = array(
          '#type' => 'select',
          '#options' => web_widgets_get_styles(),
          '#description' => 'The method being used to embed a widget from this site in another site.',
          '#default_value' => $this
            ->get_option('embed_style'),
        );
        break;
      case 'path':
        $form['path']['#description'] = t('This view will be displayed by visiting this path on your site. It is recommended that the path be something like "path/%/%/widget" or "path/%/%/widget/[embed-style]", putting one % in the path for each argument you have defined in the view.');
        break;
      case 'track':
        $form['track'] = array(
          '#type' => 'textfield',
          '#default_value' => $this
            ->get_option('track'),
          '#description' => t('Supply a valid Analytics domain ID if you want to track the usage of the widget in the Google Analytics ecosystem. If the field is empty, the tracking is turned off.'),
        );
        break;
    }
  }

  /**
   * Perform any necessary changes to the form values prior to storage.
   * There is no need for this function to actually store the data.
   */
  function options_submit(&$form, &$form_state) {

    // It is very important to call the parent function here:
    parent::options_submit($form, $form_state);
    switch ($form_state['section']) {
      case 'displays':
        $this
          ->set_option($form_state['section'], $form_state['values'][$form_state['section']]);
        $this
          ->set_option('attach_from', $form_state['view']->current_display);
        break;
      case 'dimension':
        $this
          ->set_option('width', $form_state['values']['width']);
        $this
          ->set_option('height', $form_state['values']['height']);
        break;
      case 'embed_style':
        $this
          ->set_option('embed_style', $form_state['values']['embed_style']);
        break;
      case 'track':
        $this
          ->set_option('track', $form_state['values']['track']);
        break;
    }
  }
  function options_summary(&$categories, &$options) {

    // It is very important to call the parent function here:
    parent::options_summary($categories, $options);

    // I don't think we want to give feeds menus directly.
    unset($options['menu']);
    $displays = array_filter($this
      ->get_option('displays'));
    if (count($displays) > 1) {
      $attach_to = t('Multiple displays');
    }
    else {
      if (count($displays) == 1) {
        $display = array_shift($displays);
        if (!empty($this->view->display[$display])) {
          $attach_to = $this->view->display[$display]->display_title;
        }
      }
    }
    if (!isset($attach_to)) {
      $attach_to = t('None');
    }
    $options['displays'] = array(
      'category' => 'page',
      'title' => t('Attach embed code to'),
      'value' => $attach_to,
    );
    $x = $this
      ->get_option('width');
    $y = $this
      ->get_option('height');
    if (!empty($x) && !empty($y)) {
      $dim = t("X: !x Y: !y", array(
        '!x' => $x,
        '!y' => $y,
      ));
    }
    else {
      $dim = t('Not set yet');
    }
    $options['dimension'] = array(
      'category' => 'page',
      'title' => t('Widget dimensions'),
      'value' => $dim,
    );
    $current_style = $this
      ->get_option('embed_style');

    // iframe is the default, built-in style, always available
    $current_style = empty($current_style) ? 'iframe' : $current_style;
    $style_names = web_widgets_get_styles();
    $options['embed_style'] = array(
      'category' => 'page',
      'title' => t('Embed style'),
      'value' => $style_names[$current_style],
    );
    $track = $this
      ->get_option('track');
    $track = empty($track) ? t('Tracking is turned off') : $track;
    $options['track'] = array(
      'category' => 'page',
      'title' => t('Google Tracking code'),
      'value' => $track,
    );
  }

  /**
   * Attach to another view.
   */
  function attach_to($display_id) {
    $attach_to = $this
      ->get_option('displays');
    if ($attach_to[$display_id]) {
      $current_style = $this
        ->get_option('embed_style');
      $current_style = empty($current_style) ? 'iframe' : $current_style;
      $variables['path'] = url($this->view
        ->get_url(NULL, $this
        ->get_path()), array(
        'absolute' => TRUE,
      ));
      $variables['width'] = $this
        ->get_option('width');
      $variables['height'] = $this
        ->get_option('height');
      $this->view->attachment_after .= web_widgets_render_embed_code($current_style, $variables);
    }
  }

  /**
   * Display validation.
   */
  function validate() {
    $errors = parent::validate();
    return $errors;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
views_object::$definition public property Handler's definition.
views_object::$options public property Except for displays, options for the object will be held here. 1
views_object::altered_option_definition function Collect this handler's option definition and alter them, ready for use.
views_object::construct public function Views handlers use a special construct function. 4
views_object::export_options public function
views_object::export_option_always public function Always exports the option, regardless of the default value.
views_object::options Deprecated public function Set default options on this object. 1
views_object::set_default_options public function Set default options.
views_object::set_definition public function Let the handler know what its full definition is.
views_object::unpack_options public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
views_object::unpack_translatable public function Unpack a single option definition.
views_object::unpack_translatables public function Unpacks each handler to store translatable texts.
views_object::_set_option_defaults public function
views_plugin::$display public property The current used views display.
views_plugin::$plugin_name public property The plugin name of this plugin, for example table or full.
views_plugin::$plugin_type public property The plugin type of this plugin, for example style or query.
views_plugin::additional_theme_functions public function Provide a list of additional theme functions for the theme info page.
views_plugin::plugin_title public function Return the human readable name of the display.
views_plugin::summary_title public function Returns the summary of the settings in the display. 8
views_plugin::theme_functions public function Provide a full list of possible theme templates used by this style.
views_plugin_display::$extender public property Stores all available display extenders.
views_plugin_display::$handlers public property List of handlers for this display.
views_plugin_display::$view public property The top object of a view. Overrides views_plugin::$view
views_plugin_display::accept_attachments public function Can this display accept attachments?
views_plugin_display::access public function Determine if the user has access to this display of the view.
views_plugin_display::defaultable_sections public function List which sections are defaultable and what items each section contains. 1
views_plugin_display::destroy public function Destructor. Overrides views_object::destroy
views_plugin_display::displays_exposed public function Determine if this display should display the exposed filters widgets. 1
views_plugin_display::export_handler public function Special method to export items that have handlers.
views_plugin_display::export_option public function Override of export_option() Overrides views_object::export_option
views_plugin_display::export_plugin public function Special handling for plugin export.
views_plugin_display::export_style public function Special handling for the style export.
views_plugin_display::format_themes public function Format a list of theme templates for output by the theme info helper.
views_plugin_display::get_arguments_tokens public function Returns to tokens for arguments.
views_plugin_display::get_field_labels public function List of fields for the current display with the associated relationship.
views_plugin_display::get_handler public function Get the handler object for a single handler.
views_plugin_display::get_handlers public function Get a full array of handlers for $type. This caches them.
views_plugin_display::get_link_display public function Check to see which display to use when creating links.
views_plugin_display::get_option public function Intelligently get an option either from this or default display.
views_plugin_display::get_path public function Return the base path to use for this display.
views_plugin_display::get_plugin public function Get the instance of a plugin, for example style or row.
views_plugin_display::get_special_blocks public function Provide the block system with any exposed widget blocks for this display.
views_plugin_display::get_style_type public function Displays can require a certain type of style plugin. 1
views_plugin_display::get_url public function
views_plugin_display::hook_block_list public function If this display creates a block, implement one of these.
views_plugin_display::hook_menu public function If this display creates a page with a menu item, implement it here.
views_plugin_display::init public function 1
views_plugin_display::is_defaulted public function Determine if a given option is set to use the default or current display.
views_plugin_display::is_default_display public function If this display is the 'default' display which contains fallback settings. 1
views_plugin_display::is_identifier_unique public function Check if the provided identifier is unique.
views_plugin_display::options_override public function If override/revert was clicked, perform the proper toggle.
views_plugin_display::option_link public function Because forms may be split up into sections, this provides an easy URL to exactly the right section. Don't override this.
views_plugin_display::override_option public function Set an option and force it to be an override.
views_plugin_display::pre_execute public function Set up any variables on the view prior to execution.
views_plugin_display::query public function Inject anything into the query that the display handler needs. Overrides views_plugin::query
views_plugin_display::render_area public function
views_plugin_display::render_empty public function
views_plugin_display::render_filters public function Not all display plugins will support filtering.
views_plugin_display::render_footer public function Render the footer of the view.
views_plugin_display::render_header public function Render the header of the view.
views_plugin_display::render_more_link public function Render the 'more' link.
views_plugin_display::render_pager public function Not all display plugins will suppert pager rendering. 1
views_plugin_display::set_option public function Intelligently set an option either from this display or from the default display, if directed to do so.
views_plugin_display::set_override public function Flip the override setting for the given section.
views_plugin_display::unpack_handler public function Special method to unpack items that have handlers.
views_plugin_display::unpack_plugin public function Special handling for plugin unpacking.
views_plugin_display::unpack_style public function
views_plugin_display::uses_exposed public function Does this display uses exposed filters? 2
views_plugin_display::uses_exposed_form_in_block public function Check to see if the display can put the exposed form in a block.
views_plugin_display::uses_fields public function Determine if the display's style uses fields.
views_plugin_display::uses_link_display public function Check to see if the display has some need to link to another display. 1
views_plugin_display::use_ajax public function Does the display use AJAX?
views_plugin_display::use_group_by public function Does the display have groupby enabled?
views_plugin_display::use_more public function Does the display have a more link enabled?
views_plugin_display::use_more_always public function Should the enabled display more link be shown when no more items?
views_plugin_display::use_more_open_new_window public function Should the enabled display more link being opened in an new window?
views_plugin_display::use_more_text public function Does the display have custom link text?
views_plugin_display::use_pager public function Does the display have a pager enabled? 1
views_plugin_display::view_special_blocks public function Render any special blocks provided for this display.
views_plugin_display_page::execute_hook_menu public function Add this display's path information to Drupal's menu system.
views_plugin_display_page::get_argument_text public function Provide some helpful text for the arguments. Overrides views_plugin_display::get_argument_text
views_plugin_display_page::get_pager_text public function Provide some helpful text for pagers. Overrides views_plugin_display::get_pager_text
views_plugin_display_page::options_validate public function Validate the options form. Overrides views_plugin_display::options_validate
web_widgets_plugin_display_web_widgets::attach_to function Attach to another view. Overrides views_plugin_display::attach_to
web_widgets_plugin_display_web_widgets::execute function web_widgets do not go through the normal page theming mechanism. Instead, they go through their own little theme function and then return NULL so that Drupal believes that the page has already rendered itself...which it has. Overrides views_plugin_display_page::execute
web_widgets_plugin_display_web_widgets::has_path function The page display has a path. Overrides views_plugin_display_page::has_path
web_widgets_plugin_display_web_widgets::options_form function Provide the default form for setting options. Overrides views_plugin_display_page::options_form
web_widgets_plugin_display_web_widgets::options_submit function Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data. Overrides views_plugin_display_page::options_submit
web_widgets_plugin_display_web_widgets::options_summary function Provide the summary for page options in the views UI. Overrides views_plugin_display_page::options_summary
web_widgets_plugin_display_web_widgets::option_definition function Information about options for all kinds of purposes will be held here. Overrides views_plugin_display_page::option_definition
web_widgets_plugin_display_web_widgets::preview function Fully render the display. Overrides views_plugin_display::preview
web_widgets_plugin_display_web_widgets::render function Instead of going through the standard views_view.tpl.php, delegate this to the style handler. Overrides views_plugin_display::render
web_widgets_plugin_display_web_widgets::uses_breadcrumb function Check to see if the display needs a breadcrumb. Overrides views_plugin_display_page::uses_breadcrumb
web_widgets_plugin_display_web_widgets::validate function Display validation. Overrides views_plugin_display_page::validate