Club Drupal

<?php

/**

 * @file

 * Contains the base row style plugin.

 */

/**

 * The basic 'fields' row plugin

 *

 * This displays fields one after another, giving options for inline

 * or not.

 *

 * @ingroup views_row_plugins

 */

class panels_views_plugin_row_fields extends views_plugin_row_fields {

  function option_definition() {

    $options = parent::option_definition();

    $options['layout'] = array('default' => 'twocol');

    $options['regions'] = array('default' => array());

    return $options;

  }

  /**

   * Provide a form for setting options.

   */

  function options_form(&$form, &$form_state) {

    parent::options_form($form, $form_state);

    ctools_include('plugins', 'panels');

    $layouts = panels_get_layouts();

    $options = array();

    foreach ($layouts as $name => $layout) {

      if (empty($layout['builder'])) {

        $options[$name] = $layout['title'];

      }

      if ($name == $this->options['layout']) {

        $current_layout = $layout;

      }

    }

    $form['layout'] = array(

      '#prefix' => '<div class="container-inline">',

      '#type' => 'select',

      '#options' => $options,

      '#title' => t('Panel layout'),

      '#default_value' => $this->options['layout'],

    );

    $form['change'] = array(

      '#type' => 'submit',

      '#value' => t('Change'),

      '#submit' => array('panels_change_layout_button'),

      '#suffix' => '</div>',

    );

    if (!empty($current_layout)) {

      $fields = $this->display->handler->get_field_labels();

      $regions = panels_get_regions($current_layout, panels_new_display());

      foreach ($fields as $id => $title) {

        $form['regions'][$id] = array(

          '#type' => 'select',

          '#title' => $title,

          '#options' => $regions,

        );

        if (!empty($this->options['regions'][$id]) && !empty($regions[$this->options['regions'][$id]])) {

          $form['regions'][$id]['#default_value'] = $this->options['regions'][$id];

        }

      }

    }

  }

  /**

   * 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) {

    $form_state['values']['row_options']['inline'] = array_filter($form_state['values']['row_options']['inline']);

  }

  /**

   * Render a row object. This usually passes through to a theme template

   * of some form, but not always.

   */

  function render($row) {

    ctools_include('plugins', 'panels');

    $layout = panels_get_layout($this->options['layout']);

    if (!$layout) {

      // Fall back to normal behavior if the layout is somehow invalid. This

      // can happen if the layout was removed, for example.

      return theme($this->theme_functions(), array('view' => view, 'options' => $this->options, 'row' => $row, 'field_alias' => $this->field_alias));

    }

    // Store a backup copy of the array because we're going to be screwing

    // with this a lot.

    $fields = $this->view->field;

    unset($this->view->field);

    $meta = 'standard';

    // This row style gets run many times; only run this code once.

    if (empty($this->region_fields)) {

      $this->region_fields = array();

      $regions = panels_get_regions($layout, panels_new_display());

      // Ensure each region has an empty array.

      foreach ($regions as $region_id => $name) {

        if (empty($default_region)) {

          $default_region = $region_id;

        }

        $this->region_fields[$region_id] = array();

      }

      // Go through all our fields and place them in regions according to the

      // settings.

      foreach ($fields as $id => $field) {

        $region_id = ''; // ensure we don't accidentlly use the last field's region.

        if (!empty($this->options['regions'][$id]) && !empty($regions[$this->options['regions'][$id]])) {

          $region_id = $this->options['regions'][$id];

        }

        else {

          // Fallback to putting unknown fields into the first region.

          $region_id = $default_region;

        }

        // Ensure this works in PHP4 by keeping the reference.

        $this->region_fields[$region_id][$id] = &$fields[$id];

      }

      // We don't need to set 'inline' for every record, so we do it inside

      // this loop. We do need to set inline if we are in the live preview

      // so that the CSS will get transmitted via javascript:

      $meta = !empty($this->view->live_preview) ? 'inline' : 'standard';

    }

    // Now that we have distributed our fields, go through the regions and

    // render them into the content array.

    foreach ($this->region_fields as $region_id => $fields_list) {

      $this->view->field = $fields_list;

      $content[$region_id] = theme($this->theme_functions(), array('view' => $this->view, 'options' => $this->options, 'row' => $row));

    }

    // Restore our $fields array.

    $this->view->field = $fields;

    // Now that we have a rendered content array, render it.

    return panels_print_layout($layout, $content, $meta);

  }

}

/**

 * Override handler for views_ui_edit_display_form

 */

function panels_change_layout_button($form, &$form_state) {

  $display = &$form_state['view']->display[$form_state['display_id']];

  $display->handler->options_submit($form, $form_state);

  views_ui_cache_set($form_state['view']);

  $form_state['rerender'] = TRUE;

  $form_state['rebuild'] = TRUE;

}