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<?php

/**

 * @file

 * Hooks provided by Display Suite module.

 */

/**

 * @addtogroup hooks

 * @{

 */

/**

 * Implements hook_ctools_plugin_api().

 */

function hook_test_ctools_plugin_api($module, $api) {

  if (($module == 'ds' && $api == 'ds') || ($module == 'ds_extras' && $api == 'ds_extras')) {

    return array('version' => 1);

  }

}

/**

 * Expose Display Suite field settings.

 *

 * This hook is called by CTools. For this hook to work, you need

 * hook_ctools_plugin_api(). The values of this hook can be overridden

 * and reverted through the UI.

 */

function hook_ds_field_settings_info() {

  $dsfieldsettings = array();

  $dsfieldsetting = new stdClass;

  $dsfieldsetting->disabled = FALSE; /* Edit this to true to make a default dsfieldsetting disabled initially */

  $dsfieldsetting->api_version = 1;

  $dsfieldsetting->id = 'node|article|default';

  $dsfieldsetting->entity_type = 'node';

  $dsfieldsetting->bundle = 'article';

  $dsfieldsetting->view_mode = 'default';

  $dsfieldsetting->settings = array(

    'title' => array(

      'weight' => '0',

      'label' => 'hidden',

      'format' => 'default',

      'formatter_settings' => array(

        'link' => '1',

        'wrapper' => 'h3',

        'class' => '',

      ),

    ),

    'node_link' => array(

      'weight' => '1',

      'label' => 'hidden',

      'format' => 'default',

    ),

  );

  $dsfieldsettings['node|article|default'] = $dsfieldsetting;

  return $dsfieldsettings;

}

/**

 * Expose default layout settings info.

 *

 * This hook is called by CTools. For this hook to work, you need

 * hook_ctools_plugin_api(). The values of this hook can be overridden

 * and reverted through the UI.

 */

function hook_ds_layout_settings_info() {

  $dslayouts = array();

  $dslayout = new stdClass;

  $dslayout->disabled = FALSE; /* Edit this to true to make a default dslayout disabled initially */

  $dslayout->api_version = 1;

  $dslayout->id = 'node|article|default';

  $dslayout->entity_type = 'node';

  $dslayout->bundle = 'article';

  $dslayout->view_mode = 'default';

  $dslayout->layout = 'ds_2col';

  $dslayout->settings = array(

    'hide_empty_regions' => 0,

    'regions' => array(

      'left' => array(

        0 => 'title',

        1 => 'node_link',

      ),

      'right' => array(

        0 => 'body',

      ),

    ),

    'fields' => array(

      'title' => 'left',

      'node_link' => 'left',

      'body' => 'right',

    ),

    'classes' => array(),

  );

  $dslayouts['node|article|default'] = $dslayout;

  return $dslayouts;

}

/**

 * Expose default view modes.

 *

 * This hook is called by CTools. For this hook to work, you need

 * hook_ctools_plugin_api(). The values of this hook can be overridden

 * and reverted through the UI.

 */

function hook_ds_view_modes_info() {

  $ds_view_modes = array();

  $ds_view_mode = new stdClass;

  $ds_view_mode->disabled = FALSE; /* Edit this to true to make a default ds_view_mode disabled initially */

  $ds_view_mode->api_version = 1;

  $ds_view_mode->view_mode = 'test_exportables';

  $ds_view_mode->label = 'Test exportables';

  $ds_view_mode->entities = array(

    'node' => 'node',

  );

  $ds_view_modes['test_exportables'] = $ds_view_mode;

  return $ds_view_modes;

}

/**

 * Define fields. These fields are not overridable through the interface.

 * If you want those, look at hook_ds_custom_fields_info().

 *

 * @param $entity_type

 *   The name of the entity which we are requesting fields for, e.g. 'node'.

 *

 * @return $fields

 *   A collection of fields which keys are the entity type name and values

 *   a collection fields.

 *

 * @see ds_get_fields()

 */

function hook_ds_fields_info($entity_type) {

  $fields = array();

  $fields['title'] = array(

    // title: title of the field

    'title' => t('Title'),

    // type: type of field

    // - DS_FIELD_TYPE_THEME      : calls a theming function.

    // - DS_FIELD_TYPE_FUNCTION   : calls a custom function.

    // - DS_FIELD_TYPE_CODE       : calls ds_render_code_field().

    // - DS_FIELD_TYPE_BLOCK      : calls ds_render_block_field().

    // - DS_FIELD_TYPE_PREPROCESS : calls nothing, just takes a key from the

    //                              variable field that is passed on.

    // - DS_FIELD_TYPE_IGNORE     : calls nothing, use this if you simple want

    //                              to drag and drop. The field itself will have

    //                              a theme function.

    'field_type' => DS_FIELD_TYPE_FUNCTION,

    // ui_limit : only used for the manage display screen so

    // you can limit fields to show based on bundles or view modes

    // the values are always in the form of $bundle|$view_mode

    // You may use * to select all.

    // Make sure you use the machine name.

    'ui_limit' => array('article|full', '*|search_index'),

    // file: an optional file in which the function resides.

    // Only for DS_FIELD_TYPE_FUNCTION.

    'file' => 'optional_filename',

    // function: only for DS_FIELD_TYPE_FUNCTION.

    'function' => 'theme_ds_title_field',

    // properties: can have different keys.

    'properties' => array(

      // formatters: optional if a function is used.

      // In case the field_type is DS_FIELD_TYPE_THEME, you also

      // need to register these formatters as a theming function

      // since the key will be called with theme('function').

      // The value is the caption used in the selection config on Field UI.

      'formatters' => array(

        'node_title_nolink_h1' => t('H1 title'),

        'node_title_link_h1' => t('H1 title, linked to node'),

      ),

      // settings & default: optional if you have a settings form for your field.

      'settings' => array(

        'wrapper' => array('type' => 'textfield', 'description' => t('Eg: h1, h2, p')),

        'link' => array('type' => 'select', 'options' => array('yes', 'no')),

      ),

      'default' => array('wrapper' => 'h2', 'link' => 0),

      // code: optional, only for code field.

      'code' => 'my code here',

      // use_token: optional, only for code field.

      'use_token' => TRUE, // or FALSE,

      // block: the module and delta of the block, only for block fields.

      //

      // @note: Display Suite uses a "|" token to split the module from

      // the delta.

      'block' => 'user|menu',

      // block_render: block render type, only for block fields.

      // - DS_BLOCK_CONTENT       : render through block template file.

      // - DS_BLOCK_TITLE_CONTENT : render only title and content.

      // - DS_BLOCK_CONTENT       : render only content.

      'block_render' => DS_BLOCK_CONTENT,

    )

  );

  return array('node' => $fields);

}

/**

 * Define custom fields which can be overridden through the UI and which

 * are exportable. The keys are almost the same as in hook_ds_fields_info()

 * except that field_type is limited and you need an entities key.

 *

 * This hook is called by CTools. For this hook to work, you need

 * hook_ctools_plugin_api(). The values of this hook can be overridden

 * and reverted through the UI.

 */

function hook_ds_custom_fields_info() {

  $ds_fields = array();

  $ds_field = new stdClass;

  $ds_field->api_version = 1;

  $ds_field->field = 'custom_field';

  $ds_field->label = 'Custom field';

  // Field type: either block or code

  // DS_FIELD_TYPE_CODE: 5

  // DS_FIELD_TYPE_BLOCK: 6

  $ds_field->field_type = 5;

  // Collection of entities on which this custom field can work on.

  $ds_field->entities = array(

    'node' => 'node',

  );

  $ds_field->properties = array(

    'code' => array(

      'value' => '<?php print "this is a custom field"; ?>',

      'format' => 'ds_code',

    ),

    'use_token' => 0,

  );

  $ds_fields['custom_field'] = $ds_field;

  return $ds_fields;

}

/**

 * Expose Views layouts definitions.

 *

 * This hook is called by CTools. For this hook to work, you need

 * hook_ctools_plugin_api(). The values of this hook can be overridden

 * and reverted through the UI.

 */

function hook_ds_vd_info() {

  $ds_vds = array();

  $ds_vd = new stdClass;

  $ds_vd->api_version = 1;

  $ds_vd->vd = 'frontpage-page';

  $ds_vd->label = 'Frontpage: Views displays';

  $ds_vds['frontpage-page'] = $ds_vd;

  return $ds_vds;

}

/**

 * Alter fields defined by Display Suite.

 *

 * This function is called for each entity type.

 *

 * @param $fields

 *   An array with fields which can be altered just before they get cached.

 * @param $entity_type

 *   The name of the entity type.

 */

function hook_ds_fields_info_alter(&$fields, $entity_type) {

  if (isset($fields['title'])) {

    $fields['title']['title'] = t('My title');

  }

}

/**

 * Alter fields defined by Display Suite just before they get

 * rendered on the Field UI. Use this hook to inject fields

 * which you can't alter with hook_ds_fields_info_alter().

 *

 * Use this in edge cases, see ds_extras_ds_fields_ui_alter()

 * which adds fields chosen in Views UI. This also runs

 * when a layout has been chosen.

 *

 * @param $fields

 *   An array with fields which can be altered just before they get cached.

 * @param $entity_type

 *   The name of the entity type.

 */

function hook_ds_fields_ui_alter(&$fields, $context) {

  $fields['title'] = t('Extra title');

}

/**

 * Define theme functions for fields.

 *

 * This only is necessary when you're using the field settings

 * plugin which comes with the DS extras module and you want to

 * expose a special field theming function to the interface.

 *

 * The theme function gets $variables as the only parameter.

 * The optional configuration through the UI is in $variables['ds-config'].

 *

 * Note that 'theme_ds_field_' is always needed, so the suggestions can work.

 *

 * @return $field_theme_functions

 *   A collection of field theming functions.

 */

function hook_ds_field_theme_functions_info() {

  return array('theme_ds_field_mine' => t('Theme field'));

}

/**

 * Return configuration summary for the field format.

 *

 * As soon as you have hook_ds_fields and one of the fields

 * has a settings key, Display Suite will call this hook for the summary.

 *

 * @param $field

 *   The configuration of the field.

 *

 * @return $summary

 *   The summary to show on the Field UI.

 */

function hook_ds_field_format_summary($field) {

  return 'Field summary';

}

/**

 * Return a settings form for a Display Suite field.

 *

 * As soon as you have hook_ds_fields and one of the fields

 * has a settings key, Display Suite will call this hook for field form.

 *

 * @param $field

 *   The configuration of the field.

 *

 * @return $form

 *   A form definition.

 */

function hook_ds_field_settings_form($field) {

  // Saved formatter settings are on $field['formatter_settings'];

  $settings = isset($field['formatter_settings']) ? $field['formatter_settings'] : $field['properties']['default'];

  $form['label'] = array(

    '#type' => 'textfield',

    '#title' => t('Label'),

    '#default_value' => $settings['label'],

  );

}

/**

 * Modify the layout settings just before they get saved.

 *

 * @param $record

 *   The record just before it gets saved into the database.

 * @param $form_state

 *   The form_state values.

 */

function hook_ds_layout_settings_alter($record, $form_state) {

  $record->settings['hide_page_title'] = TRUE;

}

/**

 * Modify the field settings before they get saved.

 *

 * @param $field_settings

 *   A collection of field settings which keys are fields.

 * @param $form

 *   The current form which is submitted.

 * @param $form_state

 *   The form state with all its values.

 */

function hook_ds_field_settings_alter(&$field_settings, $form, $form_state) {

  $field_settings['title']['region'] = 'left';

}

/**

 * Define layouts from code.

 *

 * @return $layouts

 *   A collection of layouts.

 */

function hook_ds_layout_info() {

  $path = drupal_get_path('module', 'foo');

  $layouts = array(

    'foo_1col' => array(

      'label' => t('Foo one column'),

      'path' => $path . '/layouts/foo_1col',

      'regions' => array(

        'foo_content' => t('Content'),

      ),

      'css' => TRUE,

      // optional, form only applies to node form at this point.

      'form' => TRUE,

    ),

  );

  return $layouts;

}

/**

 * Alter the layout render array.

 *

 * @param $layout_render_array

 *   The render array

 * @param $context

 *   An array with the context that is being rendered. Available keys are

 *   - entity

 *   - entity_type

 *   - bundle

 *   - view_mode

 * @param array $vars

 *   All variables available for render. You can use this to add css classes.

 */

function hook_ds_pre_render_alter(&$layout_render_array, $context, &$vars) {

  $layout_render_array['left'][] = array('#markup' => 'cool!', '#weight' => 20);

  $vars['attributes_array']['class'][] = 'custom';

}

/**

 * Alter layouts found by Display Suite.

 *

 * @param $layouts

 *   A array of layouts which keys are the layout and which values are

 *   properties of that layout (label, path, regions and css).

 */

function hook_ds_layout_info_alter(&$layouts) {

  unset($layouts['ds_2col']);

}

/**

 * Alter the region options in the field UI screen.

 *

 * This function is only called when a layout has been chosen.

 *

 * @param $context

 *   A collection of keys for the context. The keys are 'entity_type',

 *   'bundle' and 'view_mode'.

 * @param $region_info

 *   A collection of info for regions. The keys are 'region_options'

 *   and 'table_regions'.

 */

function hook_ds_layout_region_alter($context, &$region_info) {

  $region_info['region_options'][$block_key] = $block['title'];

  $region_info['table_regions'][$block_key] = array(

    'title' => check_plain($block['title']),

    'message' => t('No fields are displayed in this region'),

  );

}

/**

 * Alter the field label options. Note that you will either

 * update the preprocess functions or the field.tpl.php file when

 * adding new options.

 *

 * @param $field_label_options

 *   A collection of field label options.

 */

function hook_ds_label_options_alter(&$field_label_options) {

  $field_label_options['label_after'] = t('Label after field');

}

/**

 * Themes can also define extra layouts.

 *

 * Create a ds_layouts folder and then a folder name that will

 * be used as key for the layout. The folder should at least have 2 files:

 *

 * - key.inc

 * - key.tpl.php

 *

 * The css file is optional.

 * - key.css

 *

 * e.g.

 * bartik/ds_layouts/bartik_ds/bartik_ds.inc

 *                            /bartik-ds.tpl.php

 *                            /bartik_ds.css

 *

 * bartik_ds.inc must look like this:

 *

  // Fuction name is ds_LAYOUT_KEY

  function ds_bartik_ds() {

    return array(

      'label' => t('Bartik DS'),

      'regions' => array(

        // The key of this region name is also the variable used in

        // the template to print the content of that region.

        'bartik' => t('Bartik DS'),

      ),

      // Add this if there is a default css file.

      'css' => TRUE,

      // Add this if there is a default preview image

      'image' => TRUE,

    );

  }

 */

/**

 * Alter the view mode just before it's rendered by the DS views entity plugin.

 *

 * @param $view_mode

 *   The name of the view mode.

 * @param $context

 *   A collection of items which can be used to identify in what

 *   context an entity is being rendered. The variable contains 3 keys:

 *     - entity: The entity being rendered.

 *     - view_name: the name of the view.

 *     - display: the name of the display of the view.

 */

function hook_ds_views_view_mode_alter(&$view_mode, $context) {

  if ($context['view_name'] == 'my_view_name') {

    $view_mode = 'new_view_mode';

  }

}

/**

 * Theme an entity coming from the views entity plugin.

 *

 * @param $entity

 *   The complete entity.

 * @param $view_mode

 *   The name of the view mode.

 */

function ds_views_row_ENTITY_NAME($entity, $view_mode) {

  $nid = $vars['row']->{$vars['field_alias']};

  $node = node_load($nid);

  $element = node_view($node, $view_mode);

  return drupal_render($element);

}

/**

 * Theme an entity through an advanced function coming from the views entity plugin.

 *

 * @param $vars

 *   An array of variables from the views preprocess functions.

 * @param $view_mode

 *   The name of the view mode.

 */

function ds_views_row_adv_VIEWS_NAME(&$vars, $view_mode) {

  // You can do whatever you want to here.

  $vars['object'] = 'This is what I want for christmas.';

}

/**

 * Modify the entity render array in the context of a view.

 *

 * @param array $content

 *   By reference. An entity view render array.

 * @param array $context

 *   By reference. An associative array containing:

 *   - row: The current active row object being rendered.

 *   - view: By reference. The current view object.

 *   - view_mode: The view mode which is set in the Views' options.

 *   - load_comments: The same param passed to each row function.

 *

 * @see ds_views_row_render_entity()

 */

function hook_ds_views_row_render_entity_alter(&$content, &$context) {

  if ($context['view_mode'] == 'my_mode') {

    // Modify the view, or the content render array in the context of a view.

    $view = &$context['view'];

    $element = &drupal_array_get_nested_value($content, array('field_example', 0));

  }

}

/**

 * Alter the strings used to separate taxonomy terms.

 */

function hook_ds_taxonomy_term_separators(&$separators) {

  // Remove the option to use a hyphen.

  unset($separators[' - ']);

  // Add the option to use a pipe.

  $separators[' | '] = t('pipe');

}

/**

 * Allow modules to provide additional classes for regions and layouts.

 */

function hook_ds_classes_alter(&$classes, $name) {

  if ('ds_classes_regions' === $name) {

    $classes['css-class-name'] = t('Custom Styling');

  }

}

/**

 * Alter the field template settings form

 *

 * @param array $form

 *   The form containing the field settings

 * @param array $field_settings

 *   The settings of the field

 */

function hook_ds_field_theme_functions_settings_alter(&$form, $field_settings) {

  $form['something'] = array(

    '#type' => 'textfield',

    '#title' => 'test',

  );

}

/*

 * @} End of "addtogroup hooks".

 */