JavascriptStatesForm.php

<?php

namespace Drupal\form_test\Form;

use Drupal\Core\Form\FormBase;
use Drupal\Core\Form\FormStateInterface;

/**
 * Builds a simple form to test states.
 *
 * @see \Drupal\FunctionalJavascriptTests\Core\Form\JavascriptStatesTest
 */
class JavascriptStatesForm extends FormBase {
    
    /**
     * {@inheritdoc}
     */
    public function getFormId() {
        return 'javascript_states_form';
    }
    
    /**
     * {@inheritdoc}
     */
    public function buildForm(array $form, FormStateInterface $form_state) {
        $form['checkbox_trigger'] = [
            '#type' => 'checkbox',
            '#title' => 'Checkbox trigger',
        ];
        $form['textfield_trigger'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield trigger',
        ];
        $form['radios_opposite1'] = [
            '#type' => 'radios',
            '#title' => 'Radios opposite 1',
            '#options' => [
                0 => 'zero',
                1 => 'one',
            ],
            '#default_value' => 0,
            0 => [
                '#states' => [
                    'checked' => [
                        ':input[name="radios_opposite2"]' => [
                            'value' => 1,
                        ],
                    ],
                ],
            ],
            1 => [
                '#states' => [
                    'checked' => [
                        ':input[name="radios_opposite2"]' => [
                            'value' => 0,
                        ],
                    ],
                ],
            ],
        ];
        $form['radios_opposite2'] = [
            '#type' => 'radios',
            '#title' => 'Radios opposite 2',
            '#options' => [
                0 => 'zero',
                1 => 'one',
            ],
            '#default_value' => 1,
            0 => [
                '#states' => [
                    'checked' => [
                        ':input[name="radios_opposite1"]' => [
                            'value' => 1,
                        ],
                    ],
                ],
            ],
            1 => [
                '#states' => [
                    'checked' => [
                        ':input[name="radios_opposite1"]' => [
                            'value' => 0,
                        ],
                    ],
                ],
            ],
        ];
        $form['radios_trigger'] = [
            '#type' => 'radios',
            '#title' => 'Radios trigger',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
                'value3' => 'Value 3',
            ],
        ];
        $form['checkboxes_trigger'] = [
            '#type' => 'checkboxes',
            '#title' => 'Checkboxes trigger',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
                'value3' => 'Value 3',
            ],
        ];
        $form['select_trigger'] = [
            '#type' => 'select',
            '#title' => 'Select trigger',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
                'value3' => 'Value 3',
            ],
            '#empty_value' => '_none',
            '#empty_option' => '- None -',
        ];
        $form['number_trigger'] = [
            '#type' => 'number',
            '#title' => 'Number trigger',
        ];
        // Tested fields.
        // Checkbox trigger.
        $form['textfield_invisible_when_checkbox_trigger_checked'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield invisible when checkbox trigger checked',
            '#states' => [
                'invisible' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['textfield_required_when_checkbox_trigger_checked'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield required when checkbox trigger checked',
            '#states' => [
                'required' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['details_expanded_when_checkbox_trigger_checked'] = [
            '#type' => 'details',
            '#title' => 'Details expanded when checkbox trigger checked',
            '#states' => [
                'expanded' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['details_expanded_when_checkbox_trigger_checked']['textfield_in_details'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield in details',
        ];
        $form['checkbox_checked_when_checkbox_trigger_checked'] = [
            '#type' => 'checkbox',
            '#title' => 'Checkbox checked when checkbox trigger checked',
            '#states' => [
                'checked' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['checkbox_unchecked_when_checkbox_trigger_checked'] = [
            '#type' => 'checkbox',
            '#title' => 'Checkbox unchecked when checkbox trigger checked',
            '#states' => [
                'unchecked' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['checkbox_visible_when_checkbox_trigger_checked'] = [
            '#type' => 'checkbox',
            '#title' => 'Checkbox visible when checkbox trigger checked',
            '#states' => [
                'visible' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['text_format_invisible_when_checkbox_trigger_checked'] = [
            '#type' => 'text_format',
            '#title' => 'Text format invisible when checkbox trigger checked',
            '#states' => [
                'invisible' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['checkboxes_all_checked_when_checkbox_trigger_checked'] = [
            '#type' => 'checkboxes',
            '#title' => 'Checkboxes: all checked when checkbox trigger checked',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
                'value3' => 'Value 3',
            ],
            '#states' => [
                'checked' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['checkboxes_some_checked_when_checkbox_trigger_checked'] = [
            '#type' => 'checkboxes',
            '#title' => 'Checkboxes: some checked when checkbox trigger checked',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
                'value3' => 'Value 3',
            ],
            'value1' => [
                '#states' => [
                    'checked' => [
                        ':input[name="checkbox_trigger"]' => [
                            'checked' => TRUE,
                        ],
                    ],
                ],
            ],
            'value3' => [
                '#states' => [
                    'checked' => [
                        ':input[name="checkbox_trigger"]' => [
                            'checked' => TRUE,
                        ],
                    ],
                ],
            ],
        ];
        $form['checkboxes_all_disabled_when_checkbox_trigger_checked'] = [
            '#type' => 'checkboxes',
            '#title' => 'Checkboxes: all disabled when checkbox trigger checked',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
                'value3' => 'Value 3',
            ],
            '#states' => [
                'disabled' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['checkboxes_some_disabled_when_checkbox_trigger_checked'] = [
            '#type' => 'checkboxes',
            '#title' => 'Checkboxes: some disabled when checkbox trigger checked',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
                'value3' => 'Value 3',
            ],
            'value1' => [
                '#states' => [
                    'disabled' => [
                        ':input[name="checkbox_trigger"]' => [
                            'checked' => TRUE,
                        ],
                    ],
                ],
            ],
            'value3' => [
                '#states' => [
                    'disabled' => [
                        ':input[name="checkbox_trigger"]' => [
                            'checked' => TRUE,
                        ],
                    ],
                ],
            ],
        ];
        $form['radios_checked_when_checkbox_trigger_checked'] = [
            '#type' => 'radios',
            '#title' => 'Radios checked when checkbox trigger checked',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
            ],
            'value1' => [
                '#states' => [
                    'checked' => [
                        ':input[name="checkbox_trigger"]' => [
                            'checked' => TRUE,
                        ],
                    ],
                ],
            ],
        ];
        $form['radios_all_disabled_when_checkbox_trigger_checked'] = [
            '#type' => 'radios',
            '#title' => 'Radios: all disabled when checkbox trigger checked',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
            ],
            '#states' => [
                'disabled' => [
                    ':input[name="checkbox_trigger"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['radios_some_disabled_when_checkbox_trigger_checked'] = [
            '#type' => 'radios',
            '#title' => 'Radios: some disabled when checkbox trigger checked',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
            ],
            'value1' => [
                '#states' => [
                    'disabled' => [
                        ':input[name="checkbox_trigger"]' => [
                            'checked' => TRUE,
                        ],
                    ],
                ],
            ],
        ];
        // Checkboxes trigger.
        $form['textfield_visible_when_checkboxes_trigger_value2_checked'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield visible when checkboxes trigger value2 checked',
            '#states' => [
                'visible' => [
                    ':input[name="checkboxes_trigger[value2]"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        $form['textfield_visible_when_checkboxes_trigger_value3_checked'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield visible when checkboxes trigger value3 checked',
            '#states' => [
                'visible' => [
                    ':input[name="checkboxes_trigger[value3]"]' => [
                        'checked' => TRUE,
                    ],
                ],
            ],
        ];
        // Radios trigger.
        $form['fieldset_visible_when_radios_trigger_has_value2'] = [
            '#type' => 'fieldset',
            '#title' => 'Fieldset visible when radio trigger has value2',
            '#states' => [
                'visible' => [
                    ':input[name="radios_trigger"]' => [
                        'value' => 'value2',
                    ],
                ],
            ],
        ];
        $form['fieldset_visible_when_radios_trigger_has_value2']['textfield_in_fieldset'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield in fieldset',
        ];
        $form['textfield_invisible_when_radios_trigger_has_value2'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield invisible when radio trigger has value2',
            '#states' => [
                'invisible' => [
                    ':input[name="radios_trigger"]' => [
                        'value' => 'value2',
                    ],
                ],
            ],
        ];
        $form['select_required_when_radios_trigger_has_value2'] = [
            '#type' => 'select',
            '#title' => 'Select required when radio trigger has value2',
            '#options' => [
                'value1' => 'Value 1',
                'value2' => 'Value 2',
                'value3' => 'Value 3',
            ],
            '#states' => [
                'required' => [
                    ':input[name="radios_trigger"]' => [
                        'value' => 'value2',
                    ],
                ],
            ],
        ];
        $form['checkbox_checked_when_radios_trigger_has_value3'] = [
            '#type' => 'checkbox',
            '#title' => 'Checkbox checked when radios trigger has value3',
            '#states' => [
                'checked' => [
                    ':input[name="radios_trigger"]' => [
                        'value' => 'value3',
                    ],
                ],
            ],
        ];
        $form['checkbox_unchecked_when_radios_trigger_has_value3'] = [
            '#type' => 'checkbox',
            '#title' => 'Checkbox unchecked when radios trigger has value3',
            '#states' => [
                'unchecked' => [
                    ':input[name="radios_trigger"]' => [
                        'value' => 'value3',
                    ],
                ],
            ],
        ];
        $form['details_expanded_when_radios_trigger_has_value3'] = [
            '#type' => 'details',
            '#title' => 'Details expanded when radio trigger has value3',
            '#states' => [
                'expanded' => [
                    ':input[name="radios_trigger"]' => [
                        'value' => 'value3',
                    ],
                ],
            ],
        ];
        $form['details_expanded_when_radios_trigger_has_value3']['textfield_in_details'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield in details',
        ];
        // Select trigger
        $form['item_visible_when_select_trigger_has_value2'] = [
            '#type' => 'item',
            '#title' => 'Item visible when select trigger has value2',
            '#states' => [
                'visible' => [
                    ':input[name="select_trigger"]' => [
                        'value' => 'value2',
                    ],
                ],
            ],
        ];
        $form['textfield_visible_when_select_trigger_has_value3'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield visible when select trigger has value3',
            '#states' => [
                'visible' => [
                    ':input[name="select_trigger"]' => [
                        'value' => 'value3',
                    ],
                ],
            ],
        ];
        $form['textfield_visible_when_select_trigger_has_value2_or_value3'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield visible when select trigger has value2 or value3',
            '#states' => [
                'visible' => [
                    ':input[name="select_trigger"]' => [
                        [
                            'value' => 'value2',
                        ],
                        [
                            'value' => 'value3',
                        ],
                    ],
                ],
            ],
        ];
        // Textfield trigger.
        $form['checkbox_checked_when_textfield_trigger_filled'] = [
            '#type' => 'checkbox',
            '#title' => 'Checkbox checked when textfield trigger filled',
            '#default_value' => '0',
            '#states' => [
                'checked' => [
                    ':input[name="textfield_trigger"]' => [
                        'filled' => TRUE,
                    ],
                ],
            ],
        ];
        $form['checkbox_unchecked_when_textfield_trigger_filled'] = [
            '#type' => 'checkbox',
            '#title' => 'Checkbox unchecked when textfield trigger filled',
            '#default_value' => '1',
            '#states' => [
                'unchecked' => [
                    ':input[name="textfield_trigger"]' => [
                        'filled' => TRUE,
                    ],
                ],
            ],
        ];
        $form['select_invisible_when_textfield_trigger_filled'] = [
            '#type' => 'select',
            '#title' => 'Select invisible when textfield trigger filled',
            '#options' => [
                0 => 0,
                1 => 1,
                2 => 2,
            ],
            '#states' => [
                'invisible' => [
                    ':input[name="textfield_trigger"]' => [
                        'filled' => TRUE,
                    ],
                ],
            ],
        ];
        $form['select_visible_when_textfield_trigger_filled'] = [
            '#type' => 'select',
            '#title' => 'Select visible when textfield trigger filled',
            '#options' => [
                0 => 0,
                1 => 1,
                2 => 2,
            ],
            '#states' => [
                'visible' => [
                    ':input[name="textfield_trigger"]' => [
                        'filled' => TRUE,
                    ],
                ],
            ],
        ];
        $form['textfield_required_when_textfield_trigger_filled'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield required  when textfield trigger filled',
            '#states' => [
                'required' => [
                    ':input[name="textfield_trigger"]' => [
                        'filled' => TRUE,
                    ],
                ],
            ],
        ];
        $form['details_expanded_when_textfield_trigger_filled'] = [
            '#type' => 'details',
            '#title' => 'Details expanded when textfield trigger filled',
            '#states' => [
                'expanded' => [
                    ':input[name="textfield_trigger"]' => [
                        'filled' => TRUE,
                    ],
                ],
            ],
        ];
        $form['details_expanded_when_textfield_trigger_filled']['textfield_in_details'] = [
            '#type' => 'textfield',
            '#title' => 'Textfield in details',
        ];
        // Multiple triggers.
        $form['item_visible_when_select_trigger_has_value2_and_textfield_trigger_filled'] = [
            '#type' => 'item',
            '#title' => 'Item visible when select trigger has value2 and textfield trigger filled',
            '#states' => [
                'visible' => [
                    ':input[name="select_trigger"]' => [
                        'value' => 'value2',
                    ],
                    ':input[name="textfield_trigger"]' => [
                        'filled' => TRUE,
                    ],
                ],
            ],
        ];
        // Number triggers.
        $form['item_visible_when_number_trigger_filled_by_spinner'] = [
            '#type' => 'item',
            '#title' => 'Item visible when number trigger filled by spinner widget',
            '#states' => [
                'visible' => [
                    ':input[name="number_trigger"]' => [
                        'filled' => TRUE,
                    ],
                ],
            ],
        ];
        $form['select'] = [
            '#type' => 'select',
            '#title' => 'select 1',
            '#options' => [
                0 => 0,
                1 => 1,
                2 => 2,
            ],
        ];
        $form['number'] = [
            '#type' => 'number',
            '#title' => 'enter 1',
        ];
        $form['textfield'] = [
            '#type' => 'textfield',
            '#title' => 'textfield',
            '#states' => [
                'visible' => [
                    [
                        ':input[name="select"]' => [
                            'value' => '1',
                        ],
                    ],
                    'or',
                    [
                        ':input[name="number"]' => [
                            'value' => '1',
                        ],
                    ],
                ],
            ],
        ];
        return $form;
    }
    
    /**
     * {@inheritdoc}
     */
    public function submitForm(array &$form, FormStateInterface $form_state) {
    }

}