views_plugin_row.inc in Views (for Drupal 7) 6.3

Contains the base row style plugin.

File

plugins/views_plugin_row.inc

<?php

/**
 * @file
 * Contains the base row style plugin.
 */

/**
 * @defgroup views_row_plugins Views' row plugins
 * @{
 *
 * Row plugins control how Views outputs an individual record. They are
 * tightly coupled to style plugins, in that a style plugin is what calls
 * the row plugin.
 *
 * @see hook_views_plugins
 */

/**
 * Default plugin to view a single row of a table. This is really just a wrapper around
 * a theme function.
 *
 * @ingroup views_row_plugins
 */
class views_plugin_row extends views_plugin {

  /**
   * Initialize the row plugin.
   */
  function init(&$view, &$display, $options = NULL) {
    $this->view =& $view;
    $this->display =& $display;

    // Overlay incoming options on top of defaults
    $this
      ->unpack_options($this->options, isset($options) ? $options : $display->handler
      ->get_option('row_options'));
  }
  function uses_fields() {
    return !empty($this->definition['uses fields']);
  }
  function option_definition() {
    $options = parent::option_definition();
    if (isset($this->base_table)) {
      $options['relationship'] = array(
        'default' => 'none',
      );
    }
    return $options;
  }

  /**
   * Provide a form for setting options.
   */
  function options_form(&$form, &$form_state) {
    if (isset($this->base_table)) {
      $view =& $form_state['view'];

      // A whole bunch of code to figure out what relationships are valid for
      // this item.
      $relationships = $view->display_handler
        ->get_option('relationships');
      $relationship_options = array();
      foreach ($relationships as $relationship) {
        $relationship_handler = views_get_handler($relationship['table'], $relationship['field'], 'relationship');

        // If this relationship is valid for this type, add it to the list.
        $data = views_fetch_data($relationship['table']);
        $base = $data[$relationship['field']]['relationship']['base'];
        if ($base == $this->base_table) {
          $relationship_handler
            ->init($view, $relationship);
          $relationship_options[$relationship['id']] = $relationship_handler
            ->label();
        }
      }
      if (!empty($relationship_options)) {
        $relationship_options = array_merge(array(
          'none' => t('Do not use a relationship'),
        ), $relationship_options);
        $rel = empty($this->options['relationship']) ? 'none' : $this->options['relationship'];
        if (empty($relationship_options[$rel])) {

          // Pick the first relationship.
          $rel = key($relationship_options);
        }
        $form['relationship'] = array(
          '#type' => 'select',
          '#title' => t('Relationship'),
          '#options' => $relationship_options,
          '#default_value' => $rel,
        );
      }
      else {
        $form['relationship'] = array(
          '#type' => 'value',
          '#value' => 'none',
        );
      }
    }
  }

  /**
   * Validate the options form.
   */
  function options_validate($form, &$form_state) {
  }

  /**
   * Perform any necessary changes to the form values prior to storage.
   * There is no need for this function to actually store the data.
   */
  function options_submit($form, &$form_state) {
  }
  function query() {
    if (isset($this->base_table)) {
      if (isset($this->options['relationship']) && isset($this->view->relationship[$this->options['relationship']])) {
        $relationship = $this->view->relationship[$this->options['relationship']];
        $this->field_alias = $this->view->query
          ->add_field($relationship->alias, $this->base_field);
      }
      else {
        $this->field_alias = $this->view->query
          ->add_field($this->base_table, $this->base_field);
      }
    }
  }

  /**
   * Allow the style to do stuff before each row is rendered.
   *
   * @param $result
   *   The full array of results from the query.
   */
  function pre_render($result) {
  }

  /**
   * Render a row object. This usually passes through to a theme template
   * of some form, but not always.
   */
  function render($row) {
    return theme($this
      ->theme_functions(), $this->view, $this->options, $row, isset($this->field_alias) ? $this->field_alias : '');
  }

}

/**
 * @}
 */

Classes

Name	Description
views_plugin_row	Default plugin to view a single row of a table. This is really just a wrapper around a theme function.