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<?php
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namespace Drupal\extlink\Form;
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use Drupal\Core\Form\ConfigFormBase;
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use Drupal\Core\Form\FormStateInterface;
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/**
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* Displays the extlink settings form.
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*/
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class ExtlinkAdminSettingsForm extends ConfigFormBase {
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/**
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* {@inheritdoc}
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*/
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public function getFormId() {
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return 'extlink_admin_settings';
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}
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/**
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* {@inheritdoc}
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*/
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public function buildForm(array $form, FormStateInterface $form_state) {
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$config = \Drupal::config('extlink.settings');
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$renderer = \Drupal::service('renderer');
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$form['extlink_class'] = array(
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'#type' => 'checkbox',
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'#title' => $this->t('Place an icon next to external links.'),
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'#return_value' => 'ext',
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'#default_value' => $config->get('extlink_class'),
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'#description' => $this->t('Places an <span class="ext"> </span> icon next to external links.'),
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);
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$form['extlink_mailto_class'] = array(
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'#type' => 'checkbox',
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'#title' => $this->t('Place an icon next to mailto links'),
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'#return_value' => 'mailto',
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'#default_value' => $config->get('extlink_mailto_class'),
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'#description' => $this->t('Places an <span class="mailto"> </span> icon next to mailto links.'),
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);
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$form['extlink_img_class'] = array(
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'#type' => 'checkbox',
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'#title' => $this->t('Place an icon next to image links'),
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'#return_value' => TRUE,
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'#default_value' => $config->get('extlink_img_class', FALSE),
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'#description' => $this->t('If checked, images wrapped in an anchor tag will be treated as external links.'),
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);
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$form['extlink_subdomains'] = array(
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'#type' => 'checkbox',
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'#title' => $this->t('Exclude links with the same primary domain.'),
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'#default_value' => $config->get('extlink_subdomains'),
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'#description' => $this->t("For example, a link from 'www.example.com' to the subdomain of 'my.example.com' would be excluded."),
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);
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$form['extlink_target'] = array(
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'#type' => 'checkbox',
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'#title' => $this->t('Open external links in a new window'),
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'#return_value' => '_blank',
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'#default_value' => $config->get('extlink_target'),
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);
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$form['extlink_alert'] = array(
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'#type' => 'checkbox',
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'#title' => $this->t('Display a pop-up warning when any external link is clicked.'),
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'#return_value' => '_blank',
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'#default_value' => $config->get('extlink_alert'),
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);
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$form['extlink_alert_text'] = array(
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'#type' => 'textarea',
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'#title' => $this->t('Text to display in the pop-up warning box.'),
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'#rows' => 3,
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'#default_value' => $config->get('extlink_alert_text'),
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'#description' => $this->t('Text to display in the pop-up external link warning box.'),
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'#wysiwyg' => FALSE,
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'#states' => array(
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// Only show this field when user opts to display a pop-up warning.
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'visible' => array(
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':input[name="extlink_alert"]' => array('checked' => TRUE),
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),
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),
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);
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$patterns = array(
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'#theme' => 'item_list',
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'#items' => array(
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array('#markup' => '<code>(example\.com)</code> ' . $this->t('Matches example.com.')),
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array('#markup' => '<code>(example\.com)|(example\.net)</code> ' . $this->t('Multiple patterns can be strung together by using a pipe. Matches example.com OR example.net.')),
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array('#markup' => '<code>(links/goto/[0-9]+/[0-9]+)</code> ' . $this->t('Matches links that go through the <a href="http://drupal.org/project/links">Links module</a> redirect.')),
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),
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);
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$wildcards = array(
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'#theme' => 'item_list',
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'#items' => array(
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array('#markup' => '<code>.</code> ' . $this->t('Matches any character.')),
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array('#markup' => '<code>?</code> ' . $this->t('The previous character or set is optional.')),
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array('#markup' => '<code>\d</code> ' . $this->t('Matches any digit (0-9).')),
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array('#markup' => '<code>[a-z]</code> ' . $this->t('Brackets may be used to match a custom set of characters. This matches any alphabetic letter.')),
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),
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);
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$form['patterns'] = array(
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'#type' => 'details',
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'#title' => $this->t('Pattern matching'),
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'#description' =>
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'<p>' . $this->t('External links uses patterns (regular expressions) to match the "href" property of links.') . '</p>' .
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$this->t('Here are some common patterns.') .
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$renderer->render($patterns) .
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$this->t('Common special characters:') .
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$renderer->render($wildcards) .
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'<p>' . $this->t('All special characters (<code>@characters</code>) must also be escaped with backslashes. Patterns are not case-sensitive. Any <a href="http://www.javascriptkit.com/javatutors/redev2.shtml">pattern supported by JavaScript</a> may be used.', array('@characters' => '^ $ . ? ( ) | * +')) . '</p>',
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'#open' => FALSE,
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);
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$form['patterns']['extlink_exclude'] = array(
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'#type' => 'textfield',
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'#title' => $this->t('Exclude links matching the pattern'),
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'#maxlength' => NULL,
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'#default_value' => $config->get('extlink_exclude'),
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'#description' => $this->t('Enter a regular expression for links that you wish to exclude from being considered external.'),
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);
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$form['patterns']['extlink_include'] = array(
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'#type' => 'textfield',
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'#title' => $this->t('Include links matching the pattern'),
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'#maxlength' => NULL,
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'#default_value' => $config->get('extlink_include'),
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'#description' => $this->t('Enter a regular expression for internal links that you wish to be considered external.'),
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);
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$form['css_matching'] = array(
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'#tree' => FALSE,
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'#type' => 'fieldset',
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'#title' => $this->t('CSS Matching'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#description' =>
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'<p>' . $this->t('Use CSS selectors to exclude entirely or only look inside explicitly specified classes and IDs for external links. These will be passed straight to jQuery for matching.') . '</p>',
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);
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$form['css_matching']['extlink_css_exclude'] = array(
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'#type' => 'textarea',
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'#title' => $this->t('Exclude links inside these CSS selectors'),
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'#maxlength' => NULL,
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'#default_value' => $config->get('extlink_css_exclude', ''),
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'#description' => $this->t('Enter a comma-separated list of CSS selectors (ie "#block-block-2 .content, ul.menu")'),
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);
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$form['css_matching']['extlink_css_explicit'] = array(
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'#type' => 'textarea',
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'#title' => $this->t('Only look for links inside these CSS selectors'),
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'#maxlength' => NULL,
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'#default_value' => $config->get('extlink_css_explicit', ''),
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'#description' => $this->t('Enter a comma-separated list of CSS selectors (ie "#block-block-2 .content, ul.menu")'),
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);
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return parent::buildForm($form, $form_state);
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}
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/**
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* {@inheritdoc}
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*/
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public function validateForm(array &$form, FormStateInterface $form_state) {
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parent::validateForm($form, $form_state);
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}
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/**
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* {@inheritdoc}
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*/
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public function submitForm(array &$form, FormStateInterface $form_state) {
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$values = $form_state->getValues();
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\Drupal::configFactory()->getEditable('extlink.settings')
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->set('extlink_include', $values['extlink_include'])
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->set('extlink_exclude', $values['extlink_exclude'])
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->set('extlink_alert_text', $values['extlink_alert_text'])
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->set('extlink_alert', $values['extlink_alert'])
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->set('extlink_target', $values['extlink_target'])
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->set('extlink_subdomains', $values['extlink_subdomains'])
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->set('extlink_mailto_class', $values['extlink_mailto_class'])
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->set('extlink_img_class', $values['extlink_img_class'])
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->set('extlink_class', $values['extlink_class'])
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->set('extlink_css_exclude', $values['extlink_css_exclude'])
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->set('extlink_css_explicit', $values['extlink_css_explicit'])
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->save();
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parent::SubmitForm($form, $form_state);
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}
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/**
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* {@inheritdoc}
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*/
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public function getEditableConfigNames() {
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return ['extlink.settings'];
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}
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}
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Bachir Soussi Chiadmi