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class draggableviews_handler_field_draggable in DraggableViews 7.2

@file Views field handler. Contains all relevant Draggableviews options and related logic. Implements the Views Form API.

Hierarchy

Expanded class hierarchy of draggableviews_handler_field_draggable

1 string reference to 'draggableviews_handler_field_draggable'
draggableviews_views_data_alter in views/draggableviews.views.inc
Implements hook_views_data_alter().

File

views/draggableviews_handler_field_draggable.inc, line 10
Views field handler. Contains all relevant Draggableviews options and related logic. Implements the Views Form API.

View source
class draggableviews_handler_field_draggable extends views_handler_field {
  function construct() {
    parent::construct();
  }
  function option_definition() {
    $options = parent::option_definition();
    $options['draggableviews'] = array(
      'contains' => array(
        'handler' => array(
          'default' => 'draggableviews_handler_native',
        ),
        'hierarchy_handler' => array(
          'default' => '',
        ),
        'save_button_label' => array(
          'default' => 'Save',
        ),
        'ajax' => array(
          'default' => FALSE,
        ),
      ),
    );

    // Populate default values of form elements provided by handlers.
    foreach (draggableviews_get_handlers() as $handler_id => $handler_object) {
      $options['draggableviews']['contains'][$handler_id] = array(
        'default' => $handler_object
          ->option_definition(),
      );
    }
    foreach (draggableviews_get_hierarchy_handlers() as $handler_id => $handler_object) {
      $options['draggableviews']['contains'][$handler_id] = array(
        'default' => $handler_object
          ->option_definition(),
      );
    }
    return $options;
  }
  function options_form(&$form, &$form_state) {
    parent::options_form($form, $form_state);

    // Remove not needed settings options.
    $form['alter']['#access'] = FALSE;
    $form['style_settings']['#access'] = FALSE;
    $form['empty_field_behavior']['#access'] = FALSE;
    $form['draggableviews'] = array(
      '#type' => 'fieldset',
      '#title' => t('Draggable Views'),
      '#collapsible' => TRUE,
      '#collapsed' => FALSE,
    );
    $handler_options = array();
    $handler_forms = array();
    foreach (draggableviews_get_handlers() as $handler_id => $handler_object) {
      $handler = ctools_get_plugins('draggableviews', 'handler', $handler_id);
      $handler_options[$handler_id] = filter_xss($handler['label']);
      $handler_forms[$handler_id] = $handler_object
        ->options_form($this);
    }
    $form['draggableviews']['handler'] = array(
      '#type' => 'select',
      '#title' => t('Sort handler'),
      '#options' => $handler_options,
      '#default_value' => $this->options['draggableviews']['handler'],
    );

    // Add handler's form element as fieldset that
    // is active only if handler selected.
    foreach ($handler_forms as $handler_id => $handler_form_element) {

      // Skip empty handler's form elements.
      if (empty($handler_form_element)) {
        continue;
      }
      $form['draggableviews'][$handler_id] = array(
        '#type' => 'fieldset',
        '#title' => check_plain($form['draggableviews']['handler']['#options'][$handler_id]),
        '#collapsible' => FALSE,
        '#states' => array(
          'visible' => array(
            'select[name="options[draggableviews][handler]"]' => array(
              'value' => $handler_id,
            ),
          ),
        ),
      );
      foreach ($handler_form_element as $key => $form_element) {
        $form['draggableviews'][$handler_id][$key] = $form_element;
      }
    }
    $hierarchy_handler_options = array(
      '' => t('- None -'),
    );
    $hierarchy_handler_forms = array();
    foreach (draggableviews_get_hierarchy_handlers() as $handler_id => $handler_object) {
      $handler = ctools_get_plugins('draggableviews', 'hierarchy_handler', $handler_id);
      $hierarchy_handler_options[$handler_id] = filter_xss($handler['label']);
      $hierarchy_handler_forms[$handler_id] = $handler_object
        ->options_form($this);
    }
    $form['draggableviews']['hierarchy_handler'] = array(
      '#type' => 'select',
      '#title' => t('Hierarchy handler'),
      '#options' => $hierarchy_handler_options,
      '#default_value' => $this->options['draggableviews']['hierarchy_handler'],
    );

    // Add handler's form element as fieldset that
    // is active only if handler selected.
    foreach ($hierarchy_handler_forms as $handler_id => $hierarchy_handler_form_element) {

      // Skip empty handler's form elements.
      if (empty($hierarchy_handler_form_element)) {
        continue;
      }
      $form['draggableviews'][$handler_id] = array(
        '#type' => 'fieldset',
        '#title' => check_plain($form['draggableviews']['handler']['#options'][$handler_id]),
        '#collapsible' => FALSE,
        '#states' => array(
          'visible' => array(
            'select[name="options[draggableviews][hierarchy_handler]"]' => array(
              'value' => $handler_id,
            ),
          ),
        ),
      );
      foreach ($hierarchy_handler_form_element as $key => $form_element) {
        $form['draggableviews'][$handler_id][$key] = $form_element;
      }
    }
    $form['draggableviews']['save_button_label'] = array(
      '#type' => 'textfield',
      '#title' => t('Custom Save button label'),
      '#size' => 20,
      '#description' => t("Allow to change Save button Label."),
      '#default_value' => $this->options['draggableviews']['save_button_label'],
    );
    $form['draggableviews']['ajax'] = array(
      '#type' => 'checkbox',
      '#title' => t('Ajax'),
      '#description' => t('Use ajax in draggable form.'),
      '#default_value' => $this->options['draggableviews']['ajax'],
    );
  }
  function render($values) {
    return '<!--form-item-' . $this->options['id'] . '--' . $this->view->row_index . '-->';
  }

  /**
   * The form which replaces the placeholder from render().
   */
  function views_form(&$form, &$form_state) {

    // The view is empty, abort.
    if (empty($this->view->result)) {
      return;
    }

    // If this view is a summary, do not add a form.
    if ($this->field_alias == 'unknown') {
      return;
    }
    $form[$this->options['id']] = array(
      '#tree' => TRUE,
    );
    $range = count($this->view->result);

    // At this point, the query has already been run, so we can access the results
    // in order to get the base key value (for example, nid for nodes).
    foreach ($this->view->result as $row_index => $row) {
      $entity_id = $this
        ->get_value($row);
      $form[$this->options['id']][$row_index] = array(
        '#tree' => TRUE,
      );
      $handler_object = draggableviews_get_handler_class($this->options['draggableviews']['handler']);

      // Weight field selectbox.
      $form[$this->options['id']][$row_index]['weight'] = array(
        '#type' => 'select',
        '#options' => range(-$range, $range),
        '#attributes' => array(
          'class' => array(
            'draggableviews-weight',
          ),
        ),
        '#default_value' => $handler_object
          ->get($this, $row_index),
      );

      // Item to keep id of the entity.
      $form[$this->options['id']][$row_index]['id'] = array(
        '#type' => 'hidden',
        '#value' => $this->view->result[$row_index]->{$this->field_alias},
        '#attributes' => array(
          'class' => array(
            'draggableviews-id',
          ),
        ),
      );

      // Add parent and depth field.
      if (!empty($this->options['draggableviews']['hierarchy_handler'])) {
        $hierarchy_handler_object = draggableviews_get_handler_class($this->options['draggableviews']['hierarchy_handler'], 'hierarchy_handler');
        $form[$this->options['id']][$row_index]['parent'] = array(
          '#type' => 'hidden',
          '#default_value' => $hierarchy_handler_object
            ->get($this, $row_index),
          '#attributes' => array(
            'class' => array(
              'draggableviews-parent',
            ),
          ),
        );
        $form[$this->options['id']][$row_index]['depth'] = array(
          '#type' => 'hidden',
          '#default_value' => $hierarchy_handler_object
            ->get_depth($this, $row_index),
          '#attributes' => array(
            'class' => array(
              'draggableviews-depth',
            ),
          ),
        );
      }
    }
  }

}

Members

Namesort descending Modifiers Type Description Overrides
draggableviews_handler_field_draggable::construct function Construct a new field handler. Overrides views_handler_field::construct
draggableviews_handler_field_draggable::options_form function Default options form provides the label widget that all fields should have. Overrides views_handler_field::options_form
draggableviews_handler_field_draggable::option_definition function Information about options for all kinds of purposes will be held here. Overrides views_handler_field::option_definition
draggableviews_handler_field_draggable::render function Render the field. Overrides views_handler_field::render
draggableviews_handler_field_draggable::views_form function The form which replaces the placeholder from 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::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::query public function Called to add the field to a query. 22
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