class views_handler_field_privatemsg_link in Privatemsg 7

Provides a configurable link to the new message form for a specific user.

Hierarchy

• class \views_object
  • class \views_handler
    • class \views_handler_field
      • class \views_handler_field_privatemsg_link

1 string reference to 'views_handler_field_privatemsg_link'

privatemsg_views_data in views/privatemsg.views.inc

Implements hook_views_data().

File

views/views_handler_field_privatemsg_link.inc, line 11

Contains the privatemsg link views field handler.

class views_handler_field_privatemsg_link extends views_handler_field {

  /**
   * Add uid as a additional field.
   */
  function construct() {
    parent::construct();
    $this->additional_fields['uid'] = 'uid';
  }

  /**
   * Define our additional configuration setting.
   */
  function option_definition() {
    $options = parent::option_definition();
    $options['text'] = array(
      'default' => t('Send message'),
      'translatable' => TRUE,
    );
    $options['subject'] = array(
      'default' => '',
      'translatable' => TRUE,
    );
    $options['return'] = array(
      'default' => TRUE,
      'translatable' => FALSE,
    );
    $options['custom_destination'] = array(
      'default' => '',
      'translatable' => FALSE,
    );
    return $options;
  }

  /**
   * Define the configuration form for our textfield.
   */
  function options_form(&$form, &$form_state) {
    $form['label'] = array(
      '#type' => 'textfield',
      '#title' => t('Label'),
      '#default_value' => isset($this->options['label']) ? $this->options['label'] : '',
      '#description' => t('The label for this field that will be displayed to end users if the style requires it.'),
    );
    $form['text'] = array(
      '#type' => 'textfield',
      '#title' => t('Text to display'),
      '#default_value' => isset($this->options['text']) ? $this->options['text'] : '',
      '#description' => t('Define the text to use for the link title. You can use replacement tokens to insert any existing field output.'),
    );
    $form['subject'] = array(
      '#type' => 'textfield',
      '#title' => t('Pre-filled subject'),
      '#default_value' => isset($this->options['subject']) ? $this->options['subject'] : '',
      '#description' => t('Define the subject that will be pre-filled in the send message form. You can use replacement tokens to insert any existing field output.'),
    );
    $form['return'] = array(
      '#type' => 'checkbox',
      '#title' => t('Return to view after message was sent.'),
      '#default_value' => $this->options['return'],
      '#description' => t('Should the user be redirected back to the current view when the message was sent.'),
    );
    $form['custom_destination'] = array(
      '#type' => 'textfield',
      '#title' => t('Custom destination'),
      '#default_value' => $this->options['custom_destination'],
      '#description' => t('If non-empty, users will be forwared to the given url. You can use replacement tokens to insert any existing field output.'),
      '#states' => array(
        'visible' => array(
          "input[name='options[return]']" => array(
            'checked' => TRUE,
          ),
        ),
      ),
    );

    // Get a list of the available fields and arguments for token replacement.
    $options = array();
    foreach ($this->view->display_handler
      ->get_handlers('field') as $field => $handler) {
      $options[t('Fields')]["[{$field}]"] = $handler
        ->ui_name();

      // We only use fields up to (and including) this one.
      if ($field == $this->options['id']) {
        break;
      }
    }
    $count = 0;

    // This lets us prepare the key as we want it printed.
    foreach ($this->view->display_handler
      ->get_handlers('argument') as $handler) {
      $options[t('Arguments')]['%' . ++$count] = t('@argument title', array(
        '@argument' => $handler
          ->ui_name(),
      ));
      $options[t('Arguments')]['!' . $count] = t('@argument input', array(
        '@argument' => $handler
          ->ui_name(),
      ));
    }

    // Add documentation about the new message token. Note that this is not
    // a real token that will be replaced but it is handled in
    // privatemsg_send_submit().
    $options[t('Privatemsg')]['[new-message]'] = t('This will redirect to the newly sent message.');
    $this
      ->document_self_tokens($options[t('Fields')]);

    // Default text.
    $output = t('<p>You must add some additional fields to this display before using this field. These fields may be marked as <em>Exclude from display</em> if you prefer. Note that due to rendering order, you cannot use fields that come after this field; if you need a field not listed here, rearrange your fields.</p>');

    // We have some options, so make a list.
    if (!empty($options)) {
      $output = t('<p>The following substitution patterns are available for this display. Use the pattern shown on the left to display the value indicated on the right. Note that due to rendering order, you cannot use fields that come after this field; if you need a field not listed here, rearrange your fields.</p>');
      foreach (array_keys($options) as $type) {
        if (!empty($options[$type])) {
          $items = array();
          foreach ($options[$type] as $key => $value) {
            $items[] = $key . ' == ' . $value;
          }
          $output .= theme('item_list', array(
            'items' => $items,
            'type' => $type,
          ));
        }
      }
    }
    $form['help'] = array(
      '#id' => 'views-tokens-help',
      '#markup' => '<div><fieldset id="views-tokens-help"><legend>' . t('Replacement patterns') . '</legend>' . $output . '</fieldset></div>',
    );
  }

  /**
   * Renders our field, displays a link if the user is allowed to.
   */
  function render($values) {
    if (isset($values->{$this->aliases['uid']})) {
      $uid = $values->{$this->aliases['uid']};
    }
    else {
      return '';
    }
    $text = t('Send message');
    if (!empty($this->options['text'])) {
      $tokens = $this
        ->get_render_tokens($this);
      $text = strip_tags(strtr($this->options['text'], $tokens));
    }
    $subject = NULL;
    if (!empty($this->options['subject'])) {
      $tokens = $this
        ->get_render_tokens($this);
      $subject = strip_tags(strtr($this->options['subject'], $tokens));
    }
    $options = array();
    if ($this->options['return']) {
      if (!empty($this->options['custom_destination'])) {
        $tokens = $this
          ->get_render_tokens($this);
        $destination = strip_tags(strtr($this->options['custom_destination'], $tokens));
        $options['query'] = array(
          'destination' => $destination,
        );
      }
      else {
        $options['query'] = drupal_get_destination();
      }
    }
    $data = '';
    if (($recipient = user_load($uid)) && ($url = privatemsg_get_link(array(
      $recipient,
    ), NULL, $subject))) {
      $data = l($text, $url, $options);
    }
    return $data;
  }

  /**
   * Only display the column for users with the appropriate permission.
   */
  function access() {
    return privatemsg_user_access('write privatemsg');
  }

  /**
   * Just do some basic checks, don't add "privatemsg_link" as field.
   */
  function query() {
    $this
      ->ensure_my_table();
    $this
      ->add_additional_fields();
  }

}

Members

Name	Modifiers	Type	Description	Overrides
views_handler::$handler_type	public	property	The type of the handler, for example filter/footer/field.
views_handler::$query	public	property	Where the $query object will reside:.	1
views_handler::$real_field	public	property	The actual field in the database table, maybe different on other kind of query plugins/special handlers.
views_handler::$relationship	public	property	The relationship used for this field.
views_handler::$table_alias	public	property	The alias of the table of this handler which is used in the query.
views_handler::$view	public	property	The top object of a view. Overrides views_object::$view
views_handler::accept_exposed_input	public	function	Take input from exposed handlers and assign to this handler, if necessary.	1
views_handler::broken	public	function	Determine if the handler is considered 'broken'.	6
views_handler::can_expose	public	function	Determine if a handler can be exposed.	2
views_handler::case_transform	public	function	Transform a string by a certain method.
views_handler::ensure_my_table	public	function	Ensure the main table for this handler is in the query. This is used a lot.	8
views_handler::exposed_form	public	function	Render our chunk of the exposed handler form when selecting.	1
views_handler::exposed_info	public	function	Get information about the exposed form for the form renderer.	1
views_handler::exposed_submit	public	function	Submit the exposed handler form.
views_handler::exposed_validate	public	function	Validate the exposed handler form.	4
views_handler::expose_form	public	function	Form for exposed handler options.	2
views_handler::expose_options	public	function	Set new exposed option defaults when exposed setting is flipped on.	2
views_handler::expose_submit	public	function	Perform any necessary changes to the form exposes prior to storage. There is no need for this function to actually store the data.
views_handler::expose_validate	public	function	Validate the options form.	1
views_handler::extra_options	public	function	Provide defaults for the handler.
views_handler::extra_options_form	public	function	Provide a form for setting options.	1
views_handler::extra_options_submit	public	function	Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.
views_handler::extra_options_validate	public	function	Validate the options form.
views_handler::get_field	public	function	Shortcut to get a handler's raw field value.
views_handler::get_join	public	function	Get the join object that should be used for this handler.
views_handler::groupby_form	public	function	Provide a form for aggregation settings.	1
views_handler::groupby_form_submit	public	function	Perform any necessary changes to the form values prior to storage. There is no need for this function to actually store the data.	1
views_handler::has_extra_options	public	function	If a handler has 'extra options' it will get a little settings widget and another form called extra_options.	1
views_handler::is_a_group	public	function	Returns TRUE if the exposed filter works like a grouped filter.	1
views_handler::is_exposed	public	function	Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
views_handler::multiple_exposed_input	public	function	Define if the exposed input has to be submitted multiple times. This is TRUE when exposed filters grouped are using checkboxes as widgets.	1
views_handler::needs_style_plugin	public	function	Determine if the argument needs a style plugin.	1
views_handler::options_validate	public	function	Validate the options form.	4
views_handler::placeholder	public	function	Provides a unique placeholders for handlers.
views_handler::post_execute	public	function	Run after the view is executed, before the result is cached.	1
views_handler::pre_query	public	function	Run before the view is built.	1
views_handler::sanitize_value	public	function	Sanitize the value for output.
views_handler::set_relationship	public	function	Called just prior to query(), this lets a handler set up any relationship it needs.
views_handler::show_expose_button	public	function	Shortcut to display the expose/hide button.	2
views_handler::show_expose_form	public	function	Shortcut to display the exposed options form.
views_handler::store_exposed_input	public	function	If set to remember exposed input in the session, store it there.	1
views_handler::use_group_by	public	function	Provides the handler some groupby.	2
views_handler::validate	public	function	Validates the handler against the complete View.	1
views_handler_field::$additional_fields	public	property	Stores additional fields which get added to the query. The generated aliases are stored in $aliases.
views_handler_field::$aliases	public	property
views_handler_field::$field_alias	public	property
views_handler_field::$last_render_index	protected	property	Keeps track of the last render index.
views_handler_field::$original_value	public	property	The field value prior to any rewriting.
views_handler_field::add_additional_fields	public	function	Add 'additional' fields to the query.
views_handler_field::add_self_tokens	public	function	Add any special tokens this field might use for itself.	4
views_handler_field::admin_summary	public	function	Provide extra data to the administration form Overrides views_handler::admin_summary
views_handler_field::advanced_render	public	function	Render a field using advanced settings.
views_handler_field::allow_advanced_render	public	function	Determine if this field can allow advanced rendering.	1
views_handler_field::click_sort	public	function	Called to determine what to tell the clicksorter.	1
views_handler_field::click_sortable	public	function	Determine if this field is click sortable.	1
views_handler_field::document_self_tokens	public	function	Document any special tokens this field might use for itself.	4
views_handler_field::element_classes	public	function	Return the class of the field.
views_handler_field::element_label_classes	public	function	Return the class of the field's label.
views_handler_field::element_label_type	public	function	Return an HTML element for the label based upon the field's element type.
views_handler_field::element_type	public	function	Return an HTML element based upon the field's element type.	2
views_handler_field::element_wrapper_classes	public	function	Return the class of the field's wrapper.
views_handler_field::element_wrapper_type	public	function	Return an HTML element for the wrapper based upon the field's element type.
views_handler_field::get_elements	public	function	Provide a list of elements valid for field HTML.
views_handler_field::get_render_tokens	public	function	Get the 'render' tokens to use for advanced rendering.
views_handler_field::get_token_values_recursive	public	function	Recursive function to add replacements for nested query string parameters.
views_handler_field::get_value	public	function	Get the value that's supposed to be rendered.	3
views_handler_field::init	public	function	Init the handler with necessary data. Overrides views_handler::init	11
views_handler_field::is_value_empty	public	function	Checks if a field value is empty.
views_handler_field::label	public	function	Get this field's label.
views_handler_field::options_submit	public	function	Performs some cleanup tasks on the options array before saving it. Overrides views_handler::options_submit	1
views_handler_field::pre_render	public	function	Run before any fields are rendered.	8
views_handler_field::render_altered	public	function	Render this field as altered text, from a fieldset set by the user.
views_handler_field::render_as_link	public	function	Render this field as a link, with info from a fieldset set by the user.
views_handler_field::render_text	public	function	Perform an advanced text render for the item.
views_handler_field::render_trim_text	public	function	Trim the field down to the specified length.
views_handler_field::theme	public	function	Call out to the theme() function.
views_handler_field::theme_functions	public	function	Build a list of suitable theme functions for this view.
views_handler_field::tokenize_value	public	function	Replace a value with tokens from the last field.
views_handler_field::ui_name	public	function	Return a string representing this handler's name in the UI. Overrides views_handler::ui_name	1
views_handler_field::use_string_group_by	public	function	Determines if this field will be available as an option to group the result by in the style settings.
views_handler_field_privatemsg_link::access		function	Only display the column for users with the appropriate permission. Overrides views_handler::access
views_handler_field_privatemsg_link::construct		function	Add uid as a additional field. Overrides views_handler_field::construct
views_handler_field_privatemsg_link::options_form		function	Define the configuration form for our textfield. Overrides views_handler_field::options_form
views_handler_field_privatemsg_link::option_definition		function	Define our additional configuration setting. Overrides views_handler_field::option_definition
views_handler_field_privatemsg_link::query		function	Just do some basic checks, don't add "privatemsg_link" as field. Overrides views_handler_field::query
views_handler_field_privatemsg_link::render		function	Renders our field, displays a link if the user is allowed to. Overrides views_handler_field::render
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::destroy	public	function	Destructor.	2
views_object::export_option	public	function		1
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