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class nodereferrer_view_handler_field in NodeReferrer 7

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

We use this as a parent class for both the nodereferrer fields. This handler is not meant to be used directly.

Hierarchy

Expanded class hierarchy of nodereferrer_view_handler_field

1 string reference to 'nodereferrer_view_handler_field'
nodereferrer_views_handlers in views/nodereferrer.views.inc
Implementation of hook_views_handlers

File

views/nodereferrer_view_handler_field.inc, line 11
nodereferrer.module Views integration

View source 
class nodereferrer_view_handler_field extends views_handler_field {

  /**
   * Form to get field parameters
   */
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);
    $options = nodereferrer_field_formatter_info();
    foreach ($options as $k => $v) {
      $options[$k] = $v['label'];
    }
    $form['formatter'] = array(
      '#type' => 'select',
      '#multiple' => FALSE,
      '#title' => t('Formatter'),
      '#options' => $options,
      '#description' => t('Select the formatter to use to display the fields'),
      '#default_value' => empty($this->options['formatter']) ? '' : $this->options['formatter'],
    );
    $form['list'] = array(
      '#type' => 'select',
      '#multiple' => FALSE,
      '#title' => t('Display as'),
      '#options' => array(
        'list' => 'List items',
        'comma' => 'Comma separated list',
      ),
      '#description' => t('Select how multiple values should be displayed'),
      '#default_value' => empty($this->options['list']) ? 'list' : $this->options['list'],
    );
    $form['limit'] = array(
      '#type' => 'select',
      '#multiple' => FALSE,
      '#title' => t('Limit'),
      '#options' => array(
        0 => t('Unlimited'),
      ) + drupal_map_assoc(range(1, 10)),
      '#description' => t('Select how many referencing nodes will be displayed'),
      '#default_value' => empty($this->options['limit']) ? 0 : $this->options['limit'],
    );
    $form['randomize'] = array(
      '#type' => 'checkbox',
      '#title' => t('Randomize'),
      '#description' => t('Check this box if you want the referrers to be displayed in random order'),
      '#default_value' => empty($this->options['randomize']) ? FALSE : $this->options['randomize'],
    );
    $form['fields'] = array(
      '#type' => 'checkboxes',
      '#multiple' => TRUE,
      '#title' => $this
        ->get_options_title(),
      '#options' => $this
        ->get_options(),
      '#description' => t('This is optional ; if nothing is selected then all referrers will be returned'),
      '#default_value' => empty($this->options['fields']) ? array() : $this->options['fields'],
    );
    if (module_exists('translation')) {
      $form['multilingual'] = array(
        '#type' => 'fieldset',
        '#collapsible' => TRUE,
        '#collapsed' => TRUE,
        '#title' => t('Multilingual options'),
      );
      $default = 0;
      if (!empty($this->options['multilingual']['referrers_of_translations'])) {
        $default = $this->options['multilingual']['referrers_of_translations'];
      }
      $form['multilingual']['referrers_of_translations'] = array(
        '#type' => 'checkbox',
        '#title' => t('Include referrers of translations'),
        '#description' => t('If this is checked, will also include nodes that refer to translations of the given node'),
        '#default_value' => $default,
      );
      $default = 0;
      if (!empty($this->options['multilingual']['translations_of_referrers'])) {
        $default = $this->options['multilingual']['translations_of_referrers'];
      }
      $form['multilingual']['translations_of_referrers'] = array(
        '#type' => 'checkbox',
        '#title' => t('Include translations of referrers'),
        '#description' => t('If this is checked, will also include translations of nodes that refer to the given node. You may not need this if you synchronise your CCK field.'),
        '#default_value' => $default,
      );
    }
  }

  /**
   * All we need to do is ensure our table is there
   */
  function query() {
    $this
      ->ensure_my_table();
  }

  /**
   * Given a node id, field names and content names, returns the list of nodes
   * that refer to the given node. This takes translation settings into account
   */
  function referrers($nid, $fields, $types = NULL) {
    return nodereferrer_referrers_with_translations($nid, $fields, $types, !empty($this->options['multilingual']['referrers_of_translations']), !empty($this->options['multilingual']['translations_of_referrers']));
  }

  /**
   * Render the field.
   *
   */
  function render($values) {
    $list = $this
      ->get_item_list($values->nid);
    if ($this->options['formatter'] == 'count') {
      return (string) count($list);
    }
    if ($this->options['randomize']) {
      shuffle($list);
    }
    if ($this->options['limit']) {
      $list = array_slice($list, 0, $this->options['limit']);
    }
    foreach ($list as $k => $v) {
      $list[$k] = theme('nodereferrer_field_' . $this->options['formatter'], $v);
    }
    if ($this->options['list'] == 'list') {
      if (count($list)) {
        return '<ul><li>' . implode('</li><li>', array_filter($list)) . '</li></ul>';
      }
      else {
        return '';
      }
    }
    else {
      return implode(', ', $list);
    }
  }

  /**
   * This should be overriden by descendant classes
   */
  function get_node_list($nid) {
    return array();
  }
  function get_options() {
    return array();
  }

}

Members

Namesort descending Modifiers Type Description Overrides
nodereferrer_view_handler_field::get_node_list function This should be overriden by descendant classes
nodereferrer_view_handler_field::get_options function 2
nodereferrer_view_handler_field::options_form function Form to get field parameters Overrides views_handler_field::options_form
nodereferrer_view_handler_field::query function All we need to do is ensure our table is there Overrides views_handler_field::query
nodereferrer_view_handler_field::referrers function Given a node id, field names and content names, returns the list of nodes that refer to the given node. This takes translation settings into account
nodereferrer_view_handler_field::render function Render the field. Overrides views_handler_field::render
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::access public function Check whether current user has access to this handler. 10
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::construct public function Construct a new field handler. Overrides views_object::construct 17
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::option_definition public function Information about options for all kinds of purposes will be held here. Overrides views_handler::option_definition 33
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_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