views_slideshow.module

<?php


/**
 * @file
 * Provides Slideshow style options for Views.
 */

/**
 * Implements hook_theme().
 */
function views_slideshow_theme() {
    return array(
        'views_slideshow_main_section' => array(
            'variables' => array(
                'vss_id' => NULL,
                'slides' => NULL,
                'plugin' => NULL,
            ),
            'file' => 'views_slideshow.theme.inc',
        ),
        'views_slideshow_pager_widget_render' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
                'location' => NULL,
                'rows' => array(),
            ),
            'file' => 'views_slideshow.theme.inc',
            
            //'pattern' => 'views_slideshow_pager_widget_render__',
'function' => 'template_preprocess_views_slideshow_pager_widget_render',
        ),
        'views_slideshow_pager_fields' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
                'location' => NULL,
                'attributes' => array(),
            ),
            'file' => 'views_slideshow.theme.inc',
        ),
        'views_slideshow_pager_field_field' => array(
            'variables' => array(
                'view' => NULL,
                'css_identifier' => NULL,
                'label' => NULL,
                'output' => NULL,
            ),
            'file' => 'views_slideshow.theme.inc',
        ),
        'views_slideshow_pager_field_item' => array(
            'variables' => array(
                'vss_id' => NULL,
                'item' => NULL,
                'count' => NULL,
                'location' => NULL,
                'length' => NULL,
            ),
        ),
        'views_slideshow_controls_widget_render' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
                'location' => NULL,
                'rows' => array(),
            ),
            'file' => 'views_slideshow.theme.inc',
            
            //'pattern' => 'views_slideshow_controls_widget_render__',
'function' => 'template_preprocess_views_slideshow_controls_widget_render',
        ),
        'views_slideshow_controls_text' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
                'location' => NULL,
                'rows' => array(),
            ),
            
            //'pattern' => 'views_slideshow_controls_text__',
'file' => 'views_slideshow.theme.inc',
        ),
        'views_slideshow_controls_text_previous' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
            ),
            
            //'pattern' => 'views_slideshow_controls_text_previous__',
'file' => 'views_slideshow.theme.inc',
        ),
        'views_slideshow_controls_text_pause' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
            ),
            
            //'pattern' => 'views_slideshow_controls_text_pause__',
'file' => 'views_slideshow.theme.inc',
        ),
        'views_slideshow_controls_text_next' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
            ),
            
            //'pattern' => 'views_slideshow_controls_text_next__',
'file' => 'views_slideshow.theme.inc',
        ),
        'views_slideshow_slide_counter_widget_render' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
                'location' => NULL,
                'rows' => array(),
            ),
            'file' => 'views_slideshow.theme.inc',
            
            //'pattern' => 'views_slideshow_counter_widget_render__',
'function' => 'template_preprocess_views_slideshow_slide_counter_widget_render',
        ),
        'views_slideshow_slide_counter' => array(
            'variables' => array(
                'vss_id' => NULL,
                'view' => NULL,
                'settings' => array(),
                'location' => NULL,
                'rows' => array(),
            ),
            
            //'pattern' => 'views_slideshow_slide_counter__',
'file' => 'views_slideshow.theme.inc',
        ),
    );
}

/**
 * Implements hook_views_slideshow_skin_info().
 */
function views_slideshow_views_slideshow_skin_info() {
    return array(
        'default' => array(
            'name' => t('Default'),
        ),
    );
}

/**
 * Implements hook_views_slideshow_widget_info().
 */
function views_slideshow_views_slideshow_widget_info() {
    return array(
        'views_slideshow_pager' => array(
            'name' => t('Pager'),
            'accepts' => array(
                'transitionBegin' => array(
                    'required' => TRUE,
                ),
                'goToSlide',
                'previousSlide',
                'nextSlide',
            ),
            'calls' => array(
                'goToSlide',
                'pause',
                'play',
            ),
        ),
        'views_slideshow_controls' => array(
            'name' => t('Controls'),
            'accepts' => array(
                'pause' => array(
                    'required' => TRUE,
                ),
                'play' => array(
                    'required' => TRUE,
                ),
            ),
            'calls' => array(
                'nextSlide',
                'pause',
                'play',
                'previousSlide',
            ),
        ),
        'views_slideshow_slide_counter' => array(
            'name' => t('Slide Counter'),
            'accepts' => array(
                'transitionBegin' => array(
                    'required' => TRUE,
                ),
                'goToSlide',
                'previousSlide',
                'nextSlide',
            ),
            'calls' => array(),
        ),
    );
}

/**
 * Implements [widget]_views_slideshow_widget_form_options().
 */
function views_slideshow_pager_views_slideshow_widget_form_options(&$form, &$form_state, &$view, $defaults, $dependency) {
    // Get all the pager info from other modules.
    $pagers = \Drupal::moduleHandler()->invokeAll('views_slideshow_widget_pager_info', array(
        $view,
    ));
    if (!empty($pagers)) {
        $pager_options = array();
        foreach ($pagers as $pager_id => $pager_info) {
            $pager_options[$pager_id] = $pager_info['name'];
        }
        asort($pager_options);
        // Need to wrap this so it indents correctly.
        $form['views_slideshow_pager_wrapper'] = array(
            '#markup' => '<div class="vs-dependent">',
        );
        // Add field to see if they would like to hide pager if there is only one
        // slide.
        $form['hide_on_single_slide'] = array(
            '#type' => 'checkbox',
            '#title' => t('Hide pager if there is only one slide'),
            '#default_value' => $defaults['hide_on_single_slide'],
            '#description' => t('Should the pager be hidden if there is only one slide.'),
            '#states' => array(
                'visible' => array(
                    ':input[name="' . $dependency . '[enable]"]' => array(
                        'checked' => TRUE,
                    ),
                ),
            ),
        );
        // Create the widget type field.
        $form['type'] = array(
            '#type' => 'select',
            '#title' => t('Pager Type'),
            '#description' => t('Style of the pager'),
            '#default_value' => $defaults['type'],
            '#options' => $pager_options,
            '#states' => array(
                'visible' => array(
                    ':input[name="' . $dependency . '[enable]"]' => array(
                        'checked' => TRUE,
                    ),
                ),
            ),
        );
        // Add any additional form elements.
        // Build our arguments to pass to
        // [pager-type]_views_slideshow_widget_pager_form_options().
        $arguments = array(
            &$form,
            &$form_state,
            &$view,
            $defaults,
            $dependency,
        );
        foreach ($pagers as $pager_key => $pager_info) {
            $function = $pager_key . '_views_slideshow_widget_pager_form_options';
            if (function_exists($function)) {
                call_user_func_array($function, $arguments);
            }
        }
        $form['views_slideshow_pager_wrapper_close'] = array(
            '#markup' => '</div>',
        );
    }
    else {
        $form['enable_pager'] = array(
            '#markup' => 'There are no pagers available.',
        );
    }
}

/**
 * Implements [widget-type]_views_slideshow_pager_form_options().
 */
function views_slideshow_pager_fields_views_slideshow_widget_pager_form_options(&$form, &$form_state, &$view, $defaults, $dependency) {
    // Settings for fields pager.
    $options = array();
    // Get each field and it's name.
    foreach ($view->displayHandler
        ->getHandlers('field') as $field => $handler) {
        $options[$field] = $handler->adminLabel();
    }
    // Need to wrap this so it indents correctly.
    $form['views_slideshow_pager_fields_wrapper'] = array(
        '#markup' => '<div class="vs-dependent">',
    );
    // Add ability to choose which fields to show in the pager.
    $form['views_slideshow_pager_fields_fields'] = array(
        '#type' => 'checkboxes',
        '#title' => t('Pager fields'),
        '#options' => $options,
        '#default_value' => $defaults['views_slideshow_pager_fields_fields'],
        '#description' => t('Choose the fields that will appear in the pager.'),
        '#states' => array(
            'visible' => array(
                ':input[name="' . $dependency . '[enable]"]' => array(
                    'checked' => TRUE,
                ),
                ':input[name="' . $dependency . '[type]"]' => array(
                    'value' => 'views_slideshow_pager_fields',
                ),
            ),
        ),
    );
    // Add field to see if they would like to activate slide and pause on pager
    // hover.
    $form['views_slideshow_pager_fields_hover'] = array(
        '#type' => 'checkbox',
        '#title' => t('Activate Slide and Pause on Pager Hover'),
        '#default_value' => $defaults['views_slideshow_pager_fields_hover'],
        '#description' => t('Should the slide be activated and paused when hovering over a pager item.'),
        '#states' => array(
            'visible' => array(
                ':input[name="' . $dependency . '[enable]"]' => array(
                    'checked' => TRUE,
                ),
                ':input[name="' . $dependency . '[type]"]' => array(
                    'value' => 'views_slideshow_pager_fields',
                ),
            ),
        ),
    );
    $form['views_slideshow_pager_fields_wrapper_close'] = array(
        '#markup' => '</div>',
    );
}

/**
 * Implements [widget]_views_slideshow_widget_form_options().
 */
function views_slideshow_controls_views_slideshow_widget_form_options(&$form, &$form_state, &$view, $defaults, $dependency) {
    // Get all the control info from other modules.
    $controls = \Drupal::moduleHandler()->invokeAll('views_slideshow_widget_controls_info', array(
        $view,
    ));
    if (!empty($controls)) {
        $control_type_options = array();
        foreach ($controls as $control_id => $control_info) {
            $control_type_options[$control_id] = $control_info['name'];
        }
        asort($control_type_options);
        // Need to wrap this so it indents correctly.
        $form['views_slideshow_controls_wrapper'] = array(
            '#markup' => '<div class="vs-dependent">',
        );
        // Add field to see if they would like to hide controls if there is only one
        // slide.
        $form['hide_on_single_slide'] = array(
            '#type' => 'checkbox',
            '#title' => t('Hide controls if there is only one slide'),
            '#default_value' => $defaults['hide_on_single_slide'],
            '#description' => t('Should the controls be hidden if there is only one slide.'),
            '#states' => array(
                'visible' => array(
                    ':input[name="' . $dependency . '[enable]"]' => array(
                        'checked' => TRUE,
                    ),
                ),
            ),
        );
        // Create the widget type field.
        $form['type'] = array(
            '#type' => 'select',
            '#title' => t('Controls Type'),
            '#description' => t('Style of the controls'),
            '#default_value' => $defaults['type'],
            '#options' => $control_type_options,
            '#states' => array(
                'visible' => array(
                    ':input[name="' . $dependency . '[enable]"]' => array(
                        'checked' => TRUE,
                    ),
                ),
            ),
        );
        // Add any additional form elements
        // Build our arguments to pass to
        // [pager-type]_views_slideshow_widget_pager_form_options
        $arguments = array(
            &$form,
            &$form_state,
            &$view,
            $defaults,
            $dependency,
        );
        foreach ($controls as $control_key => $control_info) {
            $function = $control_key . '_views_slideshow_widget_controls_form_options';
            if (function_exists($function)) {
                call_user_func_array($function, $arguments);
            }
        }
        $form['controls_wrapper_close'] = array(
            '#markup' => '</div>',
        );
    }
    else {
        $form['enable_controls'] = array(
            '#markup' => 'There are no controls available.',
        );
    }
}

/**
 * Implements hook_views_slideshow_widget_pager_info().
 */
function views_slideshow_views_slideshow_widget_pager_info($view) {
    $settings = array();
    // Settings for fields pager.
    // First verify that the view is using fields.
    if ($view->usesFields()) {
        $settings = array(
            'views_slideshow_pager_fields' => array(
                'name' => t('Fields'),
            ),
        );
    }
    return $settings;
}

/**
 * Implements hook_views_slideshow_controls_info().
 */
function views_slideshow_views_slideshow_widget_controls_info($view) {
    return array(
        'views_slideshow_controls_text' => array(
            'name' => t('Text'),
        ),
    );
}

/**
 * Implements hook_views_slideshow_option_definition().
 */
function views_slideshow_views_slideshow_option_definition() {
    // Default slideshow type and skins.
    $options['slideshow_type'] = array(
        'default' => '',
    );
    $options['slideshow_skin'] = array(
        'default' => '',
    );
    $options['skin_info'] = array(
        'default' => array(
            'class' => 'default',
            'name' => t('Untitled skin'),
            'module' => 'views_slideshow',
            'libraries' => array(),
        ),
    );
    // Set default widgets and weight values.
    $widgets = \Drupal::moduleHandler()->invokeAll('views_slideshow_widget_info');
    if ($widgets) {
        $locations = array(
            'top',
            'bottom',
        );
        foreach ($locations as $location) {
            foreach ($widgets as $widget_id => $widget_name) {
                $options['widgets']['contains'][$location]['contains'][$widget_id]['contains']['enable'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains'][$widget_id]['contains']['weight'] = array(
                    'default' => 1,
                );
                // Defaults for the pager widget.
                $options['widgets']['contains'][$location]['contains']['views_slideshow_pager']['contains']['hide_on_single_slide'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_pager']['contains']['type'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_pager']['contains']['views_slideshow_pager_numbered_hover'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_pager']['contains']['views_slideshow_pager_numbered_click_to_page'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_pager']['contains']['views_slideshow_pager_thumbnails_hover'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_pager']['contains']['views_slideshow_pager_thumbnails_click_to_page'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_pager']['contains']['views_slideshow_pager_fields_fields'] = array(
                    'default' => array(),
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_pager']['contains']['views_slideshow_pager_fields_hover'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_controls']['contains']['hide_on_single_slide'] = array(
                    'default' => 0,
                );
                $options['widgets']['contains'][$location]['contains']['views_slideshow_controls']['contains']['type'] = array(
                    'default' => 0,
                );
            }
        }
    }
    return $options;
}

/**
 * Preg_replace_callback callback().
 *
 * @see views_slideshow_format_addons_name()
 */
function _views_slideshow_get_preg_strtoupper_callback($matches) {
    if (isset($matches[1])) {
        return strtoupper($matches[1]);
    }
}

/**
 * Php5.x preg_replace_callback() method.
 */
function views_slideshow_format_addons_name($subject) {
    return preg_replace_callback('/_(.?)/', '_views_slideshow_get_preg_strtoupper_callback', $subject);
}

/**
 * Views Slideshow: Slideshow.
 *
 * As it is a preprocess function, store it with other functions in theme.inc.
 */
function template_preprocess_views_view_slideshow(&$vars) {
    \Drupal::moduleHandler()->loadInclude('views_slideshow', 'inc', 'views_slideshow.theme');
    _views_slideshow_preprocess_views_view_slideshow($vars);
}