function StringFilter::valueForm

Provide a simple textfield for equality

Overrides FilterPluginBase::valueForm

File

core/modules/views/src/Plugin/views/filter/StringFilter.php, line 247

Class

StringFilter

Basic textfield filter to handle string filtering commands including equality, like, not like, etc.

Namespace

Code

protected function valueForm(&$form, FormStateInterface $form_state) {
    // We have to make some choices when creating this as an exposed
    // filter form. For example, if the operator is locked and thus
    // not rendered, we can't render dependencies; instead we only
    // render the form items we need.
    $which = 'all';
    if (!empty($form['operator'])) {
        $source = ':input[name="options[operator]"]';
    }
    if ($exposed = $form_state->get('exposed')) {
        $identifier = $this->options['expose']['identifier'];
        if (empty($this->options['expose']['use_operator']) || empty($this->options['expose']['operator_id'])) {
            // exposed and locked.
            $which = in_array($this->operator, $this->operatorValues(1)) ? 'value' : 'none';
        }
        else {
            $source = ':input[name="' . $this->options['expose']['operator_id'] . '"]';
        }
    }
    if ($which == 'all' || $which == 'value') {
        $form['value'] = [
            '#type' => 'textfield',
            '#title' => $this->t('Value'),
            '#size' => 30,
            '#default_value' => $this->value,
        ];
        if (!empty($this->options['expose']['placeholder'])) {
            $form['value']['#attributes']['placeholder'] = $this->options['expose']['placeholder'];
        }
        $user_input = $form_state->getUserInput();
        if ($exposed && !isset($user_input[$identifier])) {
            $user_input[$identifier] = $this->value;
            $form_state->setUserInput($user_input);
        }
        if ($which == 'all') {
            // Setup #states for all operators with one value.
            foreach ($this->operatorValues(1) as $operator) {
                $form['value']['#states']['visible'][] = [
                    $source => [
                        'value' => $operator,
                    ],
                ];
            }
        }
    }
    if (!isset($form['value'])) {
        // Ensure there is something in the 'value'.
        $form['value'] = [
            '#type' => 'value',
            '#value' => NULL,
        ];
    }
}