Same name and namespace in other branches
  1. 8.x-2.x src/Plugin/Field/FieldWidget/ExifWidgetBase.php \Drupal\exif\Plugin\Field\FieldWidget\ExifWidgetBase::retrieveImageFieldDefaultValue() 1 comment

Calculate default value for settings form.

More precisely, it calculate default value for image_field setting of widget.

simple implementation: Look for the first image field found.

Parameters

array $widget: Widget we are checking.

array $image_fields: Image fields links to this widget.

Return value

string First image field found or NULL if none.

1 call to ExifWidgetBase::retrieveImageFieldDefaultValue()
ExifWidgetBase::settingsForm in src/Plugin/Field/FieldWidget/ExifWidgetBase.php

File

src/Plugin/Field/FieldWidget/ExifWidgetBase.php, line 164

Class

ExifWidgetBase
Base class for 'Exif Field widget' plugin implementations.

Namespace

Drupal\exif\Plugin\Field\FieldWidget

Code

protected function retrieveImageFieldDefaultValue(array $widget, array $image_fields) {
    if (array_key_exists('settings', $widget) && array_key_exists('image_field', $widget['settings'])) {
        $result = $widget['settings']['image_field'];
    }
    else {
        $result = NULL;
    }
    if (empty($result)) {
        // Look for the first image field found.
        $temp = array_keys($image_fields);
        if (!empty($temp) && is_array($temp)) {
            $result = $temp[0];
        }
    }
    return $result;
}