public function RulesAddEditForm::buildForm in Custom filter 2.0.x

Same name and namespace in other branches

1. 8 src/Form/RulesAddEditForm.php \Drupal\customfilter\Form\RulesAddEditForm::buildForm()

Create the form that list the rules.

Overrides FormInterface::buildForm

File

src/Form/RulesAddEditForm.php, line 34

Class

RulesAddEditForm

Defines a form to add/edit the rules.

Namespace

Drupal\customfilter\Form

Code

public function buildForm(array $form, FormStateInterface $form_state, CustomFilter $customfilter = NULL, $rule_id = '', $operation = '') {
  $this->entity = $customfilter;
  $form = [];
  $item = [];
  if ($operation == 'edit') {
    $item = $this->entity
      ->getRule($rule_id);
  }
  elseif ($operation == 'add') {
    $item = [
      'rid' => '',
      'prid' => $rule_id,
      'fid' => $this->entity
        ->id(),
      'name' => '',
      'description' => '',
      'enabled' => 1,
      'matches' => 0,
      'pattern' => '',
      'replacement' => '',
      'code' => 0,
      'weight' => 0,
    ];
  }
  $matchopt = array_combine(range(0, 99), range(0, 99));
  $form['name'] = [
    '#type' => 'textfield',
    '#description' => $this
      ->t('The label of this replacement rule.'),
    '#title' => $this
      ->t('Label'),
    '#default_value' => $item['name'],
    '#required' => TRUE,
  ];
  $form['rid'] = [
    '#type' => 'machine_name',
    '#default_value' => $item['rid'],
    '#description' => $this
      ->t('The machine-readable name of the rule. This name
        must contain only lowercase letters, numbers, and underscores and
        can not be changed latter'),
    '#machine_name' => [
      'exists' => [
        $this->entity,
        'getRule',
      ],
      'source' => [
        'name',
      ],
    ],
    '#disabled' => $item['rid'] == '' ? FALSE : TRUE,
    '#required' => TRUE,
  ];
  $form['fid'] = [
    '#type' => 'value',
    '#value' => $this->entity
      ->id(),
  ];
  $form['prid'] = [
    '#type' => 'value',
    '#value' => $item['prid'],
  ];
  $form['operation'] = [
    '#type' => 'value',
    '#value' => $operation,
  ];
  if ($item['prid'] != '') {
    $form['matches'] = [
      '#type' => 'select',
      '#title' => $this
        ->t('# Match'),
      '#description' => $this
        ->t('n-th matched substring in parent rule. This replacement rule will replace only for that substring.'),
      '#options' => $matchopt,
      '#default_value' => $item['matches'],
    ];
  }
  else {
    $form['matches'] = [
      '#type' => 'value',
      '#value' => '',
    ];
  }
  $form['weight'] = [
    '#type' => 'value',
    '#value' => $item['weight'],
  ];
  $form['enabled'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('Enabled'),
    '#description' => $this
      ->t('If selected, the rule is used.'),
    '#default_value' => $item['enabled'],
  ];
  $form['description'] = [
    '#type' => 'textarea',
    '#title' => $this
      ->t('Description'),
    '#description' => $this
      ->t('The description of this rule.'),
    '#default_value' => $item['description'],
  ];
  $form['pattern'] = [
    '#type' => 'textarea',
    '#title' => $this
      ->t('Pattern'),
    '#description' => $this
      ->t('The regular expression to use. Example: <em>/foo.*bar/</em>. Look at <a href="http://www.php.net/manual/en/regexp.reference.php">Regular Expression Details</a> for more help.'),
    '#default_value' => $item['pattern'],
    '#rows' => 3,
  ];
  $form['code'] = [
    '#type' => 'checkbox',
    '#title' => $this
      ->t('PHP Code'),
    '#description' => $this
      ->t('If selected, the replacement text is PHP code.'),
    '#default_value' => $item['code'],
  ];
  $form['replacement'] = [
    '#type' => 'textarea',
    '#title' => $this
      ->t('Replacement text'),
    '#description' => $this
      ->t('The replacement text that will replace the matched string. Use $n (i.e. $1, $25) or ${n} (i.e. ${1}, ${25}), with n range from 0 to 99, to get the n-th original strings matched ($0 represents the entire matched string). If you select <strong>PHP Code</strong>, you can enter PHP code that will be executed during the elaboration of the rules. n-th matched string is provided in <code>$matches[n]</code>, and there is a global variable <code>$vars</code> you can use to store values that will be kept during the execution of different rules of the same filter. PHP code must set a value for <code>$result</code>, and must not be entered between <code><</code><code>?php ?></code>. Note that executing incorrect PHP-code can break your Drupal site.'),
    '#default_value' => $item['replacement'],
    '#rows' => 16,
  ];
  $form['submit'] = [
    '#type' => 'submit',
    '#value' => $this
      ->t('Save'),
  ];
  return $form;
}