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<?php
namespace Drupal\javascript_libraries\Form;
use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;
use Drupal\Core\Render\Element;
use Drupal\Core\Config\ConfigFactoryInterface;
class JavascriptLibrariesCustomAddForm extends FormBase {
public function getFormId() {
return 'javascript_libraries_custom_add_form';
}
public function buildForm(array $form, FormStateInterface $form_state, $library = '') {
$form['#attached']['library'][] = 'javascript_libraries/javascript_libraries.default';
\Drupal::configFactory()
->getEditable('system.file')
->set('allow_insecure_uploads', 1)
->save();
$custom = \Drupal::config('javascript_libraries.settings')
->get('javascript_libraries_custom_libraries');
if (isset($library) && !empty($library)) {
if (!array_key_exists($library, $custom)) {
drupal_set_message("The library with following identifier doesnot exist");
return;
}
$form['lib_id'] = array(
'#type' => 'value',
'#value' => $custom[$library]['id'],
);
$library = $custom[$library];
}
if (!isset($form['#library']['weight'])) {
$form['#library']['weight'] = 5;
}
$form['library_type'] = array(
'#type' => 'radios',
'#title' => t('Source'),
'#required' => TRUE,
'#options' => array(
'external' => t('External URL'),
'file' => t('File'),
),
'#default_value' => isset($library['type']) ? $library['type'] : 'external',
'#disabled' => isset($library['type']),
);
$external_access = empty($library['type']) || $library['type'] == 'external';
$form['external_url'] = array(
'#type' => 'textfield',
'#title' => t('URL'),
'#description' => t('Enter the full URL of a JavaScript library. URL must start with http:// or https:// and end with .js or .txt.'),
'#states' => array(
'visible' => array(
':input[name="library_type"]' => array(
'value' => 'external',
),
),
),
'#default_value' => isset($library['uri']) ? $library['uri'] : '',
'#access' => $external_access,
);
$form['cache_external'] = array(
'#type' => 'checkbox',
'#title' => t('Cache script locally'),
'#description' => t('This option only takes effect if JavaScript aggregation is enabled. You must verify that the license or terms of service for the script permit local caching and aggregation.'),
'#default_value' => isset($library['cache']) ? $library['cache'] : FALSE,
'#access' => $external_access,
'#states' => array(
'visible' => array(
':input[name="library_type"]' => array(
'value' => 'external',
),
),
),
);
$form['js_file_upload'] = array(
'#type' => 'managed_file',
'#title' => t('File'),
'#description' => t('Upload a JavaScript file from your computer. It must end in .js or .txt. It will be renamed to have a .txt extension.'),
'#upload_location' => 'public://javascript_libraries',
'#upload_validators' => array(
'file_validate_extensions' => array(
0 => 'js',
),
),
'#default_value' => array(
$library['fid'],
),
'#access' => empty($library['type']) || $library['type'] == 'file',
);
$form['scope'] = array(
'#type' => 'select',
'#title' => t('Region on page'),
'#required' => TRUE,
'#description' => t('Please note that footer is a recommended scope, unless specific requirements header region should not be used'),
'#options' => array(
'header' => t('Head'),
'footer' => t('Footer'),
'disabled' => '<' . t('Disabled') . '>',
),
'#default_value' => isset($library['scope']) ? $library['scope'] : 'footer',
);
$form['name'] = array(
'#type' => 'textfield',
'#title' => t('Library description'),
'#default_value' => isset($library['name']) ? $library['name'] : '',
'#description' => 'Defaults to the file name or URL.',
);
$form['actions']['submit'] = array(
'#type' => 'submit',
'#value' => t('Save'),
);
$form['actions']['cancel'] = array(
'#type' => 'link',
'#title' => t('Cancel'),
'#href' => 'admin/config/system/javascript-libraries/custom',
);
return $form;
}
public function validateForm(array &$form, FormStateInterface $form_state) {
switch ($form_state
->getValue('library_type')) {
case 'external':
if (strlen($form_state
->getValue('external_url')) == 0) {
$form_state
->setErrorByName('external_url', $this
->t("An empty URL is invalid."));
}
elseif (!javascript_libraries_valid_external_url($form_state
->getValue('external_url'))) {
$form_state
->setErrorByName('external_url', $this
->t('This URL does not start with http:// or does not end with ".js" or ".txt".'));
}
break;
case 'file':
if (empty($form_state
->getValue('js_file_upload'))) {
$form_state
->setErrorByName('js_file_upload', $this
->t("File field is required when adding a file."));
}
break;
}
}
public function submitForm(array &$form, FormStateInterface $form_state) {
$custom = \Drupal::config('javascript_libraries.settings')
->get('javascript_libraries_custom_libraries');
switch ($form_state
->getValue('library_type')) {
case 'external':
$id = 'ext-' . db_next_id();
$lib_id = $form_state
->getValue('lib_id');
if (isset($lib_id) && !empty($lib_id)) {
$id = $lib_id;
}
$custom[$id] = array(
'id' => $id,
'type' => 'external',
'scope' => $form_state
->getValue('scope'),
'name' => $form_state
->getValue('name'),
'weight' => $form_state
->getValue('weight'),
'uri' => $form_state
->getValue('external_url'),
'cache' => $form_state
->getValue('cache_external'),
);
break;
case 'file':
$fid = $form_state
->getValue(array(
'js_file_upload',
0,
));
$file = \Drupal\file\Entity\File::load($fid);
$id = 'file-' . $fid;
$lib_id = $form_state
->getValue('lib_id');
if (isset($lib_id) && !empty($lib_id)) {
$id = $lib_id;
}
$custom[$id] = array(
'type' => 'file',
'scope' => $form_state
->getValue('scope'),
'weight' => $form_state
->getValue('weight'),
'id' => $id,
'name' => $form_state
->getValue('name'),
'fid' => $fid,
'uri' => $file
->getFileUri(),
);
break;
}
\Drupal::configFactory()
->getEditable('javascript_libraries.settings')
->set('javascript_libraries_custom_libraries', $custom)
->save();
drupal_set_message('Your library has been saved . Please configure the region and weight.');
$form_state
->setRedirect('javascript_libraries.custom_form');
}
}