Club Drupal

<?php

/**

 * @file

 * Allow a view context to display individual rows.

 */

$plugin = array(

  'title' => t('View row'),

  'category' => t('View context'),

  'icon' => 'icon_views_page.png',

  'description' => t('Display all or a specific amount of rows from a loaded view context.'),

  'required context' => new ctools_context_required(t('View'), 'view'),

  'defaults' => array(

    'rows' => array(),

    'use_fields' => array(),

    'fields' => array(),

  ),

  'add form' => array(

    'views_content_views_row_content_type_edit_form' => t('Select context'),

    'views_content_views_row_edit' => t('Configure rows'),

  ),

  'edit form' => array(

    'views_content_views_row_content_type_edit_form' => t('Select context'),

    'views_content_views_row_edit' => t('Configure rows'),

  ),

);

/**

 * Render the node_terms content type.

 */

function views_content_views_row_content_type_render($subtype, $conf, $panel_args, $context) {

  if (empty($context) || empty($context->data)) {

    return;

  }

  // Build the content type block.

  $block          = new stdClass();

  $block->module  = 'views_row';

  $block->delta   = $context->argument;

  $block->title   = '';

  $block->content = '';

  // This guarantees the view is rendered normally which must happen.

  $view = views_content_context_get_view($context);

  $output = views_content_context_get_output($context);

  $sets = array();

  $plugin = $view->style_plugin;

  // If all rows have to be displayed then simply get the key of all rows.

  $row_indexes = array();

  if (empty($conf['rows'])) {

    if (is_array($output['rows'])) {

      $row_indexes = array_keys($output['rows']);

    }

  }

  else {

    // If a subset of rows is requested collect the list of row keys.

    foreach ($conf['rows'] as $index) {

      $row_indexes[] = $index - 1;

    }

  }

  if (empty($conf['use_fields']) || empty($plugin->row_plugin)) {

    foreach ($row_indexes as $row_index) {

      if (isset($output['rows'][$row_index])) {

        $sets[$plugin->groups[$row_index]][$row_index] = $output['rows'][$row_index];

      }

    }

  }

  else {

    // If we're using specific fields, go through and poke the 'exclude' flag.

    foreach ($view->field as $id => $field) {

      $view->field[$id]->options['exclude'] = empty($conf['fields'][$id]);

    }

    // Rerender just the rows we need.

    foreach ($row_indexes as $row_index) {

      $view->row_index = $row_index;

      if (!empty($view->result[$view->row_index])) {

        $sets[$plugin->groups[$view->row_index]][$view->row_index] = $plugin->row_plugin->render($view->result[$view->row_index]);

      }

      unset($view->row_index);

    }

  }

  foreach ($sets as $title => $rows) {

    $block->content .= theme($plugin->theme_functions(),

      array(

        'view' => $view,

        'options' => $plugin->options,

        'rows' => $rows,

        'title' => $title,

      )

    );

  }

  return $block;

}

function views_content_views_row_content_type_edit_form($form, &$form_state) {

  // This form does nothing; it exists to let the main form select the view context.

  return $form;

}

function views_content_views_row_content_type_edit_form_submit($form, &$form_state) {

}

function views_content_views_row_edit($form, &$form_state) {

  $conf = $form_state['conf'];

  $contexts = $form_state['contexts'];

  if (empty($contexts[$conf['context']])) {

    $form['markup'] = array('#markup' => '<p>' . t('Invalid context selected.') . '</p>');

    return $form;

  }

  if (!isset($contexts[$conf['context']]->argument)) {

    $name = $contexts[$conf['context']]->placeholder['conf']['name'];

    list($plugin, $view_data) = explode(':', $name);

    list($view_name, $display_id) = explode('-', $view_data);

  }

  else {

    $view_data = $contexts[$conf['context']]->argument;

    list($view_name, $display_id) = explode(':', $view_data);

  }

  $contexts[$conf['context']]->data['name'] = $view_name;

  $contexts[$conf['context']]->data['display'] = $display_id;

  $view = views_content_context_get_view($contexts[$conf['context']]);

  if (empty($view)) {

    $form['markup'] = array('#markup' => '<p>' . t('Context contains an invalid view.') . '</p>');

    return $form;

  }

  ctools_include('dependent');

  $form['limit_rows'] = array(

    '#type' => 'checkbox',

    '#title' => t('Limit rows'),

    '#default_value' => (int) !empty($conf['rows']),

  );

  $view->init_pager();

  $rows = $view->get_items_per_page();

  if (!empty($rows)) {

    foreach (range(1, $rows) as $row) {

      $options[$row] = t('Row @number', array('@number' => $row));

    }

    $form['rows'] = array(

      '#type' => 'checkboxes',

      '#title' => t('Select rows'),

      '#options' => $options,

      '#default_value' => $conf['rows'],

      '#dependency' => array('edit-limit-rows' => array(TRUE)),

    );

  }

  else {

    $form['rows'] = array('#markup' => '<p>' . t('The view must have a maximum number of items set to use this setting.') . '</p>');

    return $form;

  }

  if ($view->display_handler->uses_fields()) {

    $form['use_fields'] = array(

      '#type' => 'checkbox',

      '#title' => t('Display specific fields'),

      '#default_value' => $conf['use_fields'],

    );

    $form['fields'] = array(

      '#type' => 'checkboxes',

      '#options' => $view->display_handler->get_field_labels(),

      '#default_value' => $conf['fields'],

      '#prefix' => '<div id="edit-fields-wrapper"><div id="edit-fields">',

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

      '#dependency' => array('edit-use-fields' => array(TRUE)),

    );

  }

  return $form;

}

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

}

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

  $form_state['conf']['rows'] = array_filter($form_state['values']['rows']);

  $form_state['conf']['use_fields'] = $form_state['values']['use_fields'];

  $form_state['conf']['fields'] = array_filter($form_state['values']['fields']);

}

function views_content_views_row_content_type_admin_info($subtype, $conf, $contexts) {

  // Go through this route to make sure we catch changes in configuration

  // that can happen.

  $plugin = ctools_get_content_type('views_row');

  $context = ctools_content_select_context($plugin, $subtype, $conf, $contexts);

  $block = new stdClass();

  $block->title = t('Row information');

  if (!empty($conf['use_fields'])) {

    $display_fields = array();

    $view = views_content_context_get_view($context);

    if (empty($view)) {

      $block->title = t('Broken view');

      return $block;

    }

    $fields = $view->display_handler->get_field_labels();

    foreach ($conf['fields'] as $field) {

      if (!empty($fields[$field])) {

        $display_fields[$field] = '"<em>' . check_plain($fields[$field]) . '</em>"';

      }

    }

    if ($display_fields) {

      $block->content = t('Displaying: !fields', array('!fields' => implode(', ', $display_fields)));

    }

    else {

      $block->content = t('Displaying no fields due to misconfiguration.');

    }

  }

  else {

    $block->content = t('Displaying the configured row.');

  }

  return $block;

}

function views_content_views_row_content_type_admin_title($subtype, $conf, $context) {

  $rows = array_filter($conf['rows']);

  $row_count = count($rows);

  $rows = empty($rows) ? t('Show all') : implode(', ', $rows);

  return format_plural($row_count,

    '"@context" row @rows',

    '"@context" rows @rows',

    array('@context' => $context->identifier, '@rows' => $rows)

  );

}