function FileExampleReadWriteForm::buildForm

Overrides FormInterface::buildForm

File

modules/file_example/src/Form/FileExampleReadWriteForm.php, line 63

Class

FileExampleReadWriteForm

File test form class.

Namespace

Code

public function buildForm(array $form, FormStateInterface $form_state) {
    $default_file = $this->stateHelper
        ->getDefaultFile();
    $default_directory = $this->stateHelper
        ->getDefaultDirectory();
    $form['description'] = [
        '#markup' => $this->t('This form demonstrates the Drupal file API. Experiment with the form, and then look at the submit handlers in the code to understand the file API.'),
    ];
    $form['write_file'] = [
        '#type' => 'fieldset',
        '#title' => $this->t('Write to a file'),
    ];
    $form['write_file']['write_contents'] = [
        '#type' => 'textfield',
        '#title' => $this->t('Enter something you would like to write to a file'),
        '#default_value' => $this->t('Put some text here or just use this text'),
    ];
    $form['write_file']['destination'] = [
        '#type' => 'textfield',
        '#default_value' => $default_file,
        '#title' => $this->t('Optional: Enter the streamwrapper saying where it should be written'),
        '#description' => $this->t('This may be public://some_dir/test_file.txt or private://another_dir/some_file.txt, for example. If you include a directory, it must already exist. The default is "public://". Since this example supports session://, you can also use something like session://somefile.txt.'),
    ];
    $form['write_file']['managed_submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Write managed file'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleManagedFile',
            ],
        ],
    ];
    $form['write_file']['unmanaged_submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Write unmanaged file'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleUnmanagedFile',
            ],
        ],
    ];
    $form['write_file']['unmanaged_php'] = [
        '#type' => 'submit',
        '#value' => $this->t('Unmanaged using PHP'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleUnmanagedPhp',
            ],
        ],
    ];
    $form['fileops'] = [
        '#type' => 'fieldset',
        '#title' => $this->t('Read from a file'),
    ];
    $form['fileops']['fileops_file'] = [
        '#type' => 'textfield',
        '#default_value' => $default_file,
        '#title' => $this->t('Enter the URI of a file'),
        '#description' => $this->t('This must be a stream-type description like public://some_file.txt or http://drupal.org or private://another_file.txt or (for this example) session://yet_another_file.txt.'),
    ];
    $form['fileops']['read_submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Read the file and store it locally'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleFileRead',
            ],
        ],
    ];
    $form['fileops']['delete_submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Delete file'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleFileDelete',
            ],
        ],
    ];
    $form['fileops']['check_submit'] = [
        '#type' => 'submit',
        '#value' => $this->t('Check to see if file exists'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleFileExists',
            ],
        ],
    ];
    $form['directory'] = [
        '#type' => 'fieldset',
        '#title' => $this->t('Create or prepare a directory'),
    ];
    $form['directory']['directory_name'] = [
        '#type' => 'textfield',
        '#title' => $this->t('Directory to create/prepare/delete'),
        '#default_value' => $default_directory,
        '#description' => $this->t('This is a directory as in public://some/directory or private://another/dir.'),
    ];
    $form['directory']['create_directory'] = [
        '#type' => 'submit',
        '#value' => $this->t('Create directory'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleDirectoryCreate',
            ],
        ],
    ];
    $form['directory']['delete_directory'] = [
        '#type' => 'submit',
        '#value' => $this->t('Delete directory'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleDirectoryDelete',
            ],
        ],
    ];
    $form['directory']['check_directory'] = [
        '#type' => 'submit',
        '#value' => $this->t('Check to see if directory exists'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleDirectoryExists',
            ],
        ],
    ];
    $form['debug'] = [
        '#type' => 'fieldset',
        '#title' => $this->t('Debugging'),
    ];
    $form['debug']['show_raw_session'] = [
        '#type' => 'submit',
        '#value' => $this->t('Show raw $_SESSION contents'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleShowSession',
            ],
        ],
    ];
    $form['debug']['reset_session'] = [
        '#type' => 'submit',
        '#value' => $this->t('Reset the Session'),
        '#submit' => [
            [
                $this->submitHandlerHelper,
                'handleResetSession',
            ],
        ],
    ];
    return $form;
}