base.php File Reference

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Functions
	base ()
	Example show how to create and render a basic textarea field and attach it to a form. More...

Function Documentation

base()

base

(

)

Example show how to create and render a basic textarea field and attach it to a form.

Definition at line 6 of file base.php.

{
    //Step 0: Declare dependencies
    global $DIC;
    $ui = $DIC->ui()->factory();
    $renderer = $DIC->ui()->renderer();
    $ctrl = $DIC->ctrl();
    $request = $DIC->http()->request();
 
    //Step 1: Define the textarea input field
    $textarea_input = $ui->input()->field()->textarea("Textarea Input", "Just a textarea input.");
 
    //Step 2: Define the form and form actions.
    $ctrl->setParameterByClass(
        'ilsystemstyledocumentationgui',
        'example_name',
        'textarea'
    );
    $form_action = $DIC->ctrl()->getFormActionByClass('ilsystemstyledocumentationgui');
    $form = $ui->input()->container()->form()->standard($form_action, [$textarea_input]);
 
    //Step 3: implement some form data processing.
    if ($request->getMethod() == "POST"
        && $request->getQueryParams()['example_name'] == "textarea") {
        $form = $form->withRequest($request);
        $result = $form->getData();
    } else {
        $result = "No result yet.";
    }
 
    //Step 4: Render the form with the text input field
    return
        "<pre>" . print_r($result, true) . "</pre><br/>" .
        $renderer->render($form);
}

References $DIC, $form, $request, and $result.