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class views_handler_field_file in Views (for Drupal 7) 6.3

Same name and namespace in other branches
  1. 6.2 modules/system/views_handler_field_file.inc \views_handler_field_file
  2. 7.3 modules/system/views_handler_field_file.inc \views_handler_field_file

Field handler to provide simple renderer that allows linking to a file.

Hierarchy

Expanded class hierarchy of views_handler_field_file

Related topics

Views' field handlers
Handlers to tell Views how to build and display fields.
1 string reference to 'views_handler_field_file'
system_views_data in modules/system.views.inc
Implementation of hook_views_data()

File

modules/system/views_handler_field_file.inc, line 7

View source 
class views_handler_field_file extends views_handler_field {

  /**
   * Constructor to provide additional field to add.
   */
  function init(&$view, $options) {
    parent::init($view, $options);
    if (!empty($options['link_to_file'])) {
      $this->additional_fields['filepath'] = 'filepath';
    }
  }
  function option_definition() {
    $options = parent::option_definition();
    $options['link_to_file'] = array(
      'default' => FALSE,
    );
    return $options;
  }

  /**
   * Provide link to file option
   */
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $form['link_to_file'] = array(
      '#title' => t('Link this field to download the file'),
      '#description' => t('This will override any other link you have set.'),
      '#type' => 'checkbox',
      '#default_value' => !empty($this->options['link_to_file']),
    );
  }

  /**
   * Render whatever the data is as a link to the file.
   *
   * Data should be made XSS safe prior to calling this function.
   */
  function render_link($data, $values) {
    if (!empty($this->options['link_to_file']) && $data !== NULL && $data !== '') {
      $this->options['alter']['make_link'] = TRUE;
      $this->options['alter']['path'] = file_create_url($this
        ->get_value($values, 'filepath'));
    }
    return $data;
  }
  function render($values) {
    $value = $this
      ->get_value($values);
    return $this
      ->render_link($this
      ->sanitize_value($value), $values);
  }

}

Members

Namesort descending Modifiers Type Description Overrides
views_handler::$handler_type property The type of the handler, for example filter/footer/field.
views_handler::$query property Where the $query object will reside: 6
views_handler::$view property The top object of a view. Overrides views_object::$view
views_handler::accept_exposed_input function Take input from exposed handlers and assign to this handler, if necessary. 1
views_handler::access function Check whether current user has access to this handler. 6
views_handler::broken function Determine if the handler is considered 'broken', meaning it's a a placeholder used when a handler can't be found. 6
views_handler::can_expose function Determine if a handler can be exposed. 2
views_handler::ensure_my_table function Ensure the main table for this handler is in the query. This is used a lot. 8
views_handler::exposed_form function Render our chunk of the exposed handler form when selecting 2
views_handler::exposed_info function Get information about the exposed form for the form renderer. 1
views_handler::exposed_submit function Submit the exposed handler form
views_handler::exposed_validate function Validate the exposed handler form 4
views_handler::expose_form function Overridable form for exposed handler options.
views_handler::expose_form_left function 2
views_handler::expose_form_right function 2
views_handler::expose_options function Set new exposed option defaults when exposed setting is flipped on. 2
views_handler::expose_submit 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 function Validate the options form. 1
views_handler::extra_options function Provide defaults for the handler.
views_handler::extra_options_form function Provide a form for setting options. 1
views_handler::extra_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.
views_handler::extra_options_validate function Validate the options form.
views_handler::get_field function Shortcut to get a handler's raw field value.
views_handler::get_join function Get the join object that should be used for this handler.
views_handler::has_extra_options function If a handler has 'extra options' it will get a little settings widget and another form called extra_options. 1
views_handler::is_exposed function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
views_handler::needs_style_plugin function Determine if the argument needs a style plugin. 1
views_handler::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. 4
views_handler::options_validate function Validate the options form. 4
views_handler::pre_query function Run before the view is built. 1
views_handler::sanitize_value function Sanitize the value for output.
views_handler::set_relationship function Called just prior to query(), this lets a handler set up any relationship it needs.
views_handler::show_expose_button function Shortcut to display the expose/hide button.
views_handler::show_expose_form function Shortcut to display the exposed options form.
views_handler::store_exposed_input function If set to remember exposed input in the session, store it there. 1
views_handler::ui_name function Return a string representing this handler's name in the UI. 10
views_handler::use_group_by function Provides the handler some groupby. 2
views_handler::validate function Validates the handler against the complete View. 1
views_handler_field::$additional_fields property Stores additional fields which get's added to the query. The generated aliases are stored in $aliases.
views_handler_field::$aliases property
views_handler_field::$field_alias property
views_handler_field::add_additional_fields function Add 'additional' fields to the query.
views_handler_field::add_self_tokens function Add any special tokens this field might use for itself. 4
views_handler_field::admin_summary function Provide extra data to the administration form Overrides views_handler::admin_summary
views_handler_field::advanced_render function Render a field using advanced settings.
views_handler_field::allow_advanced_render function Determine if this field can allow advanced rendering. 1
views_handler_field::click_sort function Called to determine what to tell the clicksorter. 1
views_handler_field::click_sortable function Determine if this field is click sortable.
views_handler_field::construct function Construct a new field handler. Overrides views_object::construct 18
views_handler_field::document_self_tokens function Document any special tokens this field might use for itself. 4
views_handler_field::element_classes function Return the class of the field.
views_handler_field::element_label_classes function Return the class of the field's label.
views_handler_field::element_label_type function Return an HTML element for the label based upon the field's element type.
views_handler_field::element_type function Return an HTML element based upon the field's element type. 2
views_handler_field::element_wrapper_classes function Return the class of the field's wrapper.
views_handler_field::element_wrapper_type function Return an HTML element for the wrapper based upon the field's element type.
views_handler_field::get_elements function Provide a list of elements valid for field HTML.
views_handler_field::get_render_tokens function Get the 'render' tokens to use for advanced rendering.
views_handler_field::get_value function Get the value that's supposed to be rendered.
views_handler_field::label function Get this field's label.
views_handler_field::pre_render function Run before any fields are rendered. 6
views_handler_field::query function Called to add the field to a query. Overrides views_handler::query 21
views_handler_field::render_altered function Render this field as altered text, from a fieldset set by the user.
views_handler_field::render_as_link function Render this field as a link, with the info from a fieldset set by the user.
views_handler_field::render_text function Perform an advanced text render for the item.
views_handler_field::render_trim_text function Trim the field down to the specified length.
views_handler_field::theme function Call out to the theme() function, which probably just calls render() but allows sites to override output fairly easily.
views_handler_field::theme_functions function
views_handler_field::tokenize_value function Replace a value with tokens from the last field.
views_handler_field_file::init function Constructor to provide additional field to add. Overrides views_handler_field::init
views_handler_field_file::options_form function Provide link to file option Overrides views_handler_field::options_form
views_handler_field_file::option_definition function Information about options for all kinds of purposes will be held here. Overrides views_handler_field::option_definition
views_handler_field_file::render function Render the field. Overrides views_handler_field::render
views_handler_field_file::render_link function Render whatever the data is as a link to the file.
views_object::$definition property Handler's definition
views_object::$options property Except for displays, options for the object will be held here. 1
views_object::destroy function 2
views_object::export_option function 1
views_object::export_options function
views_object::options function Set default options on this object. Called by the constructor in a complex chain to deal with backward compatibility. 1
views_object::set_default_options function Set default options. For backward compatibility, it sends the options array; this is a feature that will likely disappear at some point.
views_object::set_definition function Let the handler know what its full definition is.
views_object::unpack_options function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
views_object::unpack_translatable function Unpack a single option definition.
views_object::unpack_translatables function Unpacks each handler to store translatable texts.
views_object::_set_option_defaults function