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class IndexTidDepth in Views (for Drupal 7) 8.3

Argument handler for taxonomy terms with depth.

This handler is actually part of the node table and has some restrictions, because it uses a subquery to find nodes with.

Plugin annotation


@Plugin(
  id = "taxonomy_index_tid_depth",
  module = "taxonomy"
)

Hierarchy

Expanded class hierarchy of IndexTidDepth

Related topics

Views argument handlers
Handlers to tell Views how to contextually filter queries.

File

lib/Views/taxonomy/Plugin/views/argument/IndexTidDepth.php, line 26
Definition of Views\taxonomy\Plugin\views\argument\IndexTidDepth.

Namespace

Views\taxonomy\Plugin\views\argument
View source 
class IndexTidDepth extends ArgumentPluginBase {
  protected function defineOptions() {
    $options = parent::defineOptions();
    $options['depth'] = array(
      'default' => 0,
    );
    $options['break_phrase'] = array(
      'default' => FALSE,
      'bool' => TRUE,
    );
    $options['set_breadcrumb'] = array(
      'default' => FALSE,
      'bool' => TRUE,
    );
    $options['use_taxonomy_term_path'] = array(
      'default' => FALSE,
      'bool' => TRUE,
    );
    return $options;
  }
  public function buildOptionsForm(&$form, &$form_state) {
    $form['depth'] = array(
      '#type' => 'weight',
      '#title' => t('Depth'),
      '#default_value' => $this->options['depth'],
      '#description' => t('The depth will match nodes tagged with terms in the hierarchy. For example, if you have the term "fruit" and a child term "apple", with a depth of 1 (or higher) then filtering for the term "fruit" will get nodes that are tagged with "apple" as well as "fruit". If negative, the reverse is true; searching for "apple" will also pick up nodes tagged with "fruit" if depth is -1 (or lower).'),
    );
    $form['break_phrase'] = array(
      '#type' => 'checkbox',
      '#title' => t('Allow multiple values'),
      '#description' => t('If selected, users can enter multiple values in the form of 1+2+3. Due to the number of JOINs it would require, AND will be treated as OR with this filter.'),
      '#default_value' => !empty($this->options['break_phrase']),
    );
    $form['set_breadcrumb'] = array(
      '#type' => 'checkbox',
      '#title' => t("Set the breadcrumb for the term parents"),
      '#description' => t('If selected, the breadcrumb trail will include all parent terms, each one linking to this view. Note that this only works if just one term was received.'),
      '#default_value' => !empty($this->options['set_breadcrumb']),
    );
    $form['use_taxonomy_term_path'] = array(
      '#type' => 'checkbox',
      '#title' => t("Use Drupal's taxonomy term path to create breadcrumb links"),
      '#description' => t('If selected, the links in the breadcrumb trail will be created using the standard drupal method instead of the custom views method. This is useful if you are using modules like taxonomy redirect to modify your taxonomy term links.'),
      '#default_value' => !empty($this->options['use_taxonomy_term_path']),
      '#states' => array(
        'visible' => array(
          ':input[name="options[set_breadcrumb]"]' => array(
            'checked' => TRUE,
          ),
        ),
      ),
    );
    parent::buildOptionsForm($form, $form_state);
  }
  function set_breadcrumb(&$breadcrumb) {
    if (empty($this->options['set_breadcrumb']) || !is_numeric($this->argument)) {
      return;
    }
    return views_taxonomy_set_breadcrumb($breadcrumb, $this);
  }

  /**
   * Override default_actions() to remove summary actions.
   */
  function default_actions($which = NULL) {
    if ($which) {
      if (in_array($which, array(
        'ignore',
        'not found',
        'empty',
        'default',
      ))) {
        return parent::default_actions($which);
      }
      return;
    }
    $actions = parent::default_actions();
    unset($actions['summary asc']);
    unset($actions['summary desc']);
    unset($actions['summary asc by count']);
    unset($actions['summary desc by count']);
    return $actions;
  }
  public function query($group_by = FALSE) {
    $this
      ->ensureMyTable();
    if (!empty($this->options['break_phrase'])) {
      $tids = new \stdClass();
      $tids->value = $this->argument;
      $tids = $this
        ->breakPhrase($this->argument, $tids);
      if ($tids->value == array(
        -1,
      )) {
        return FALSE;
      }
      if (count($tids->value) > 1) {
        $operator = 'IN';
      }
      else {
        $operator = '=';
      }
      $tids = $tids->value;
    }
    else {
      $operator = "=";
      $tids = $this->argument;
    }

    // Now build the subqueries.
    $subquery = db_select('taxonomy_index', 'tn');
    $subquery
      ->addField('tn', 'nid');
    $where = db_or()
      ->condition('tn.tid', $tids, $operator);
    $last = "tn";
    if ($this->options['depth'] > 0) {
      $subquery
        ->leftJoin('taxonomy_term_hierarchy', 'th', "th.tid = tn.tid");
      $last = "th";
      foreach (range(1, abs($this->options['depth'])) as $count) {
        $subquery
          ->leftJoin('taxonomy_term_hierarchy', "th{$count}", "{$last}.parent = th{$count}.tid");
        $where
          ->condition("th{$count}.tid", $tids, $operator);
        $last = "th{$count}";
      }
    }
    elseif ($this->options['depth'] < 0) {
      foreach (range(1, abs($this->options['depth'])) as $count) {
        $subquery
          ->leftJoin('taxonomy_term_hierarchy', "th{$count}", "{$last}.tid = th{$count}.parent");
        $where
          ->condition("th{$count}.tid", $tids, $operator);
        $last = "th{$count}";
      }
    }
    $subquery
      ->condition($where);
    $this->query
      ->add_where(0, "{$this->tableAlias}.{$this->realField}", $subquery, 'IN');
  }
  function title() {
    $term = taxonomy_term_load($this->argument);
    if (!empty($term)) {
      return check_plain($term->name);
    }

    // TODO review text
    return t('No name');
  }

}

Members

Namesort descending Modifiers Type Description Overrides
ArgumentPluginBase::$argument property
ArgumentPluginBase::$name_field property The field to use for the name to use in the summary, which is the displayed output. For example, for the node: nid argument, the argument itself is the nid, but node.title is displayed.
ArgumentPluginBase::$name_table property The table to use for the name, should it not be in the same table as the argument.
ArgumentPluginBase::$validator property
ArgumentPluginBase::$value property 1
ArgumentPluginBase::default_access_denied function Default action: access denied.
ArgumentPluginBase::default_action function Handle the default action, which means our argument wasn't present.
ArgumentPluginBase::default_argument_form function Provide a form for selecting the default argument when the default action is set to provide default argument. 1
ArgumentPluginBase::default_default function This just returns true. The view argument builder will know where to find the argument from.
ArgumentPluginBase::default_empty function Default action: empty
ArgumentPluginBase::default_ignore function Default action: ignore.
ArgumentPluginBase::default_not_found function Default action: not found.
ArgumentPluginBase::default_summary function Default action: summary.
ArgumentPluginBase::default_summary_form function Provide a form for selecting further summary options when the default action is set to display one.
ArgumentPluginBase::exception_title function
ArgumentPluginBase::get_default_argument function Get a default argument, if available. 1
ArgumentPluginBase::get_plugin function Get the display or row plugin, if it exists.
ArgumentPluginBase::get_sort_name function Return a description of how the argument would normally be sorted. 5
ArgumentPluginBase::get_title function Called by the view object to get the title. This may be set by a validator so we don't necessarily call through to title().
ArgumentPluginBase::get_value function Get the value of this argument.
ArgumentPluginBase::has_default_argument function Determine if the argument is set to provide a default argument.
ArgumentPluginBase::init public function Overrides Drupal\views\Plugin\views\HandlerBase:init(). Overrides HandlerBase::init 4
ArgumentPluginBase::is_exception function
ArgumentPluginBase::needsStylePlugin public function Determine if the argument needs a style plugin.
ArgumentPluginBase::processContainerRadios public static function Custom form radios process function.
ArgumentPluginBase::process_summary_arguments function Process the summary arguments for display.
ArgumentPluginBase::set_argument function Set the input for this argument
ArgumentPluginBase::submitOptionsForm 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. Overrides HandlerBase::submitOptionsForm
ArgumentPluginBase::summary_argument function Provide the argument to use to link from the summary to the next level; this will be called once per row of a summary, and used as part of $view->getUrl(). 4
ArgumentPluginBase::summary_basics function Some basic summary behavior that doesn't need to be repeated as much as code that goes into summary_query()
ArgumentPluginBase::summary_name function Provides the name to use for the summary. By default this is just the name field. 8
ArgumentPluginBase::summary_name_field function Add the name field, which is the field displayed in summary queries. This is often used when the argument is numeric.
ArgumentPluginBase::summary_query function Build the info for the summary query. 3
ArgumentPluginBase::summary_sort function Sorts the summary based upon the user's selection. The base variant of this is usually adequte.
ArgumentPluginBase::uses_breadcrumb function Determine if the argument can generate a breadcrumb
ArgumentPluginBase::validateArgument public function Validate that this argument works. By default, all arguments are valid.
ArgumentPluginBase::validateFail public function How to act if validation failes
ArgumentPluginBase::validateOptionsForm public function Validate the options form. Overrides HandlerBase::validateOptionsForm
ArgumentPluginBase::validate_argument function Called by the menu system to validate an argument.
HandlerBase::$actualField public property When a field has been moved this property is set.
HandlerBase::$actualTable public property When a table has been moved this property is set.
HandlerBase::$field public property With field you can override the realField if the real field is not set.
HandlerBase::$query public property Where the $query object will reside: 1
HandlerBase::$realField public property The actual field in the database table, maybe different on other kind of query plugins/special handlers.
HandlerBase::$relationship public property The relationship used for this field.
HandlerBase::$table public property The table this handler is attached to.
HandlerBase::$tableAlias public property The alias of the table of this handler which is used in the query.
HandlerBase::acceptExposedInput public function Take input from exposed handlers and assign to this handler, if necessary. 1
HandlerBase::access public function Check whether current user has access to this handler. 7
HandlerBase::adminLabel public function Return a string representing this handler's name in the UI. 9
HandlerBase::adminSummary public function Provide text for the administrative summary 4
HandlerBase::breakPhrase public static function Breaks x,y,z and x+y+z into an array. Numeric only.
HandlerBase::breakPhraseString public static function Breaks x,y,z and x+y+z into an array. Works for strings.
HandlerBase::broken public function Determine if the handler is considered 'broken', meaning it's a a placeholder used when a handler can't be found. 6
HandlerBase::buildExposedForm public function Render our chunk of the exposed handler form when selecting 1
HandlerBase::buildExposeForm public function Form for exposed handler options. 2
HandlerBase::buildExtraOptionsForm public function Provide a form for setting options. 1
HandlerBase::buildGroupByForm public function Provide a form for aggregation settings. 1
HandlerBase::canExpose public function Determine if a handler can be exposed. 2
HandlerBase::caseTransform protected function Transform a string by a certain method.
HandlerBase::defaultExposeOptions public function Set new exposed option defaults when exposed setting is flipped on. 2
HandlerBase::defineExtraOptions public function Provide defaults for the handler.
HandlerBase::ensureMyTable public function Ensure the main table for this handler is in the query. This is used a lot. 8
HandlerBase::exposedInfo public function Get information about the exposed form for the form renderer. 1
HandlerBase::getField public function Shortcut to get a handler's raw field value.
HandlerBase::getJoin public function Get the join object that should be used for this handler.
HandlerBase::getSQLDateField public function Creates cross-database SQL dates.
HandlerBase::getSQLFormat public function Creates cross-database SQL date formatting.
HandlerBase::getTableJoin public static function Fetches a handler to join one table to a primary table from the data cache.
HandlerBase::getTimezone public static function Figure out what timezone we're in; needed for some date manipulations.
HandlerBase::hasExtraOptions public function If a handler has 'extra options' it will get a little settings widget and another form called extra_options. 1
HandlerBase::isAGroup public function Returns TRUE if the exposed filter works like a grouped filter. 1
HandlerBase::isExposed public function Determine if this item is 'exposed', meaning it provides form elements to let users modify the view.
HandlerBase::multipleExposedInput 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
HandlerBase::placeholder protected function Provides a unique placeholders for handlers.
HandlerBase::postExecute public function Run after the view is executed, before the result is cached.
HandlerBase::preQuery public function Run before the view is built. 1
HandlerBase::sanitizeValue protected function Sanitize the value for output.
HandlerBase::setRelationship public function Called just prior to query(), this lets a handler set up any relationship it needs.
HandlerBase::showExposeButton public function Shortcut to display the expose/hide button. 2
HandlerBase::showExposeForm public function Shortcut to display the exposed options form.
HandlerBase::storeExposedInput public function If set to remember exposed input in the session, store it there. 1
HandlerBase::submitExposed public function Submit the exposed handler form
HandlerBase::submitExposeForm 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.
HandlerBase::submitExtraOptionsForm 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.
HandlerBase::submitGroupByForm 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
HandlerBase::usesGroupBy public function Provides the handler some groupby. 2
HandlerBase::validate public function Validates the handler against the complete View. Overrides PluginBase::validate 1
HandlerBase::validateExposed public function Validate the exposed handler form 4
HandlerBase::validateExposeForm public function Validate the options form. 1
HandlerBase::validateExtraOptionsForm public function Validate the options form.
HandlerBase::__construct public function Constructs a Handler object. Overrides PluginBase::__construct
IndexTidDepth::buildOptionsForm public function Build the options form. Overrides ArgumentPluginBase::buildOptionsForm
IndexTidDepth::default_actions function Override default_actions() to remove summary actions. Overrides ArgumentPluginBase::default_actions
IndexTidDepth::defineOptions protected function Information about options for all kinds of purposes will be held here. @code 'option_name' => array( Overrides ArgumentPluginBase::defineOptions
IndexTidDepth::query public function Set up the query for this argument. Overrides ArgumentPluginBase::query
IndexTidDepth::set_breadcrumb function Give an argument the opportunity to modify the breadcrumb, if it wants. This only gets called on displays where a breadcrumb is actually used. Overrides ArgumentPluginBase::set_breadcrumb
IndexTidDepth::title function Get the title this argument will assign the view, given the argument. Overrides ArgumentPluginBase::title
PluginBase::$configuration protected property Configuration information passed into the plugin. 1
PluginBase::$definition public property Plugins's definition
PluginBase::$displayHandler public property The display object this plugin is for.
PluginBase::$options public property Options for this plugin will be held here.
PluginBase::$pluginDefinition protected property The plugin implementation definition. 1
PluginBase::$pluginId protected property The plugin_id.
PluginBase::$usesOptions protected property Denotes whether the plugin has an additional options form. 8
PluginBase::$view public property The top object of a view. 1
PluginBase::additionalThemeFunctions public function Provide a list of additional theme functions for the theme information page
PluginBase::DERIVATIVE_SEPARATOR constant A string which is used to separate base plugin IDs from the derivative ID.
PluginBase::destroy public function Clears a plugin. 2
PluginBase::getBaseId public function Gets the base_plugin_id of the plugin instance. Overrides DerivativeInspectionInterface::getBaseId
PluginBase::getDerivativeId public function Gets the derivative_id of the plugin instance. Overrides DerivativeInspectionInterface::getDerivativeId
PluginBase::getPluginDefinition public function Gets the definition of the plugin implementation. Overrides PluginInspectionInterface::getPluginDefinition 3
PluginBase::getPluginId public function Gets the plugin_id of the plugin instance. Overrides PluginInspectionInterface::getPluginId
PluginBase::isConfigurable public function Determines if the plugin is configurable.
PluginBase::pluginTitle public function Return the human readable name of the display.
PluginBase::setOptionDefaults protected function
PluginBase::summaryTitle public function Returns the summary of the settings in the display. 6
PluginBase::themeFunctions public function Provide a full list of possible theme templates used by this style. 1
PluginBase::unpackOptions public function Unpack options over our existing defaults, drilling down into arrays so that defaults don't get totally blown away.
PluginBase::usesOptions public function Returns the usesOptions property. 8