### Create a Basic Login Form with FormsFX

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Demonstrates how to create a simple login form using the `Form.of()` factory method. Includes examples of checking form state (validity, changes, persistability) and persisting or resetting values.

```java
import com.dlsc.formsfx.model.structure.Form;
import com.dlsc.formsfx.model.structure.Group;
import com.dlsc.formsfx.model.structure.Field;

// Create a simple login form
Form loginForm = Form.of(
    Group.of(
        Field.ofStringType("")
            .label("Username")
            .placeholder("Enter your username")
            .required("Username is required"),
        Field.ofStringType("")
            .label("Password")
            .required("Password is required")
    )
).title("Login Form");

// Check form state
boolean isValid = loginForm.isValid();
boolean hasChanged = loginForm.hasChanged();
boolean canPersist = loginForm.isPersistable();

// Persist or reset form values
loginForm.persist();  // Save all field values
loginForm.reset();    // Revert to last persisted values
```

--------------------------------

### FormsFX Field Types and Property Binding

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Illustrates the creation of various field types in FormsFX, including string, password, integer, double, boolean, date, single selection, and multi-selection fields. Shows examples of both default value initialization and property binding.

```java
import com.dlsc.formsfx.model.structure.Field;
import javafx.beans.property.*;
import java.time.LocalDate;
import java.util.Arrays;
import java.util.List;

// String field - for text input
Field.ofStringType("Default text")
    .label("Name")
    .placeholder("Enter name");

// String field with property binding
StringProperty nameProperty = new SimpleStringProperty("John");
Field.ofStringType(nameProperty)
    .label("Bound Name");

// Password field
Field.ofPasswordType("secret")
    .label("Password");

// Integer field
Field.ofIntegerType(42)
    .label("Age");

// Integer field with property binding
IntegerProperty ageProperty = new SimpleIntegerProperty(25);
Field.ofIntegerType(ageProperty)
    .label("Bound Age");

// Double field
Field.ofDoubleType(3.14159)
    .label("Value");

// Boolean field (checkbox/toggle)
Field.ofBooleanType(true)
    .label("Active");

// Date field
Field.ofDate(LocalDate.now())
    .label("Birth Date");

// Single selection field (dropdown/combobox)
List<String> options = Arrays.asList("Option A", "Option B", "Option C");
Field.ofSingleSelectionType(options, 0)  // 0 = pre-selected index
    .label("Choose One");

// Multi-selection field (listview)
List<String> items = Arrays.asList("Item 1", "Item 2", "Item 3");
Field.ofMultiSelectionType(items, Arrays.asList(0, 2))  // pre-selected indices
    .label("Select Multiple");
```

--------------------------------

### Programmatically Toggling Sections in FormsFX

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Provides an example of how to programmatically toggle the collapsed state of sections within a form. This allows for dynamic UI updates based on application logic.

```java
// Programmatically toggle sections
form.getGroups().stream()
    .filter(g -> g instanceof Section)
    .map(g -> (Section) g)
    .forEach(s -> s.collapse(!s.isCollapsed()));
```

--------------------------------

### Complete FormsFX Application

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

This Java code provides a full example of a FormsFX application. It defines form fields for country information, including text, number, date, and selection types, along with validation rules and UI controls. It also includes logic for saving and resetting the form.

```java
import com.dlsc.formsfx.model.structure.*;
import com.dlsc.formsfx.model.util.ResourceBundleService;
import com.dlsc.formsfx.model.validators.*;
import com.dlsc.formsfx.view.controls.*;
import com.dlsc.formsfx.view.renderer.FormRenderer;
import com.dlsc.formsfx.view.util.ColSpan;
import javafx.application.Application;
import javafx.beans.property.*;
import javafx.collections.FXCollections;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.layout.*;
import javafx.stage.Stage;
import java.time.LocalDate;
import java.util.Arrays;

public class FormsFXDemo extends Application {

    // Model properties
    private final StringProperty name = new SimpleStringProperty("Switzerland");
    private final StringProperty isoCode = new SimpleStringProperty("CH");
    private final IntegerProperty population = new SimpleIntegerProperty(8500000);
    private final DoubleProperty area = new SimpleDoubleProperty(41285.0);
    private final BooleanProperty independent = new SimpleBooleanProperty(true);
    private final ObjectProperty<LocalDate> independenceDate =
        new SimpleObjectProperty<>(LocalDate.of(1291, 8, 1));
    private final ListProperty<String> continents = new SimpleListProperty<>(
        FXCollections.observableArrayList("Africa", "Asia", "Europe", "Americas", "Oceania"));
    private final ListProperty<String> selectedContinents = new SimpleListProperty<>(
        FXCollections.observableArrayList("Europe"));

    @Override
    public void start(Stage stage) {
        // Create comprehensive form
        Form form = Form.of(
            // Basic Information Group
            Group.of(
                Field.ofStringType(name)
                    .label("Country Name")
                    .placeholder("Enter country name")
                    .required("Country name is required")
                    .validate(StringLengthValidator.atLeast(2, "Minimum 2 characters")),
                Field.ofStringType(isoCode)
                    .label("ISO Code")
                    .placeholder("XX")
                    .required("ISO code is required")
                    .validate(
                        StringLengthValidator.exactly(2, "Must be 2 characters"),
                        RegexValidator.forPattern("^[A-Z]{2}$", "Must be uppercase letters")
                    )
                    .span(ColSpan.HALF),
                Field.ofBooleanType(independent)
                    .label("Independent")
                    .span(ColSpan.HALF)
            ),

            // Demographics Section
            Section.of(
                Field.ofIntegerType(population)
                    .label("Population")
                    .format("Invalid number format")
                    .validate(IntegerRangeValidator.atLeast(1, "Must be positive"))
                    .span(ColSpan.HALF),
                Field.ofDoubleType(area)
                    .label("Area (km²)")
                    .format("Invalid number format")
                    .validate(DoubleRangeValidator.atLeast(0.01, "Must be positive"))
                    .span(ColSpan.HALF),
                Field.ofDate(independenceDate)
                    .label("Independence Date")
                    .placeholder("Select date")
            ).title("Demographics")
             .collapsible(true),

            // Geography Section
            Section.of(
                Field.ofMultiSelectionType(continents, selectedContinents)
                    .label("Continents")
                    .required("Select at least one continent")
                    .render(new SimpleCheckBoxControl<>()) 
            ).title("Geography")
             .collapsible(true)

        ).title("Country Information Form");

        // Create UI
        FormRenderer formRenderer = new FormRenderer(form);

        Button saveBtn = new Button("Save");
        Button resetBtn = new Button("Reset");

        saveBtn.disableProperty().bind(form.persistableProperty().not());
        resetBtn.disableProperty().bind(form.changedProperty().not());

        saveBtn.setOnAction(e -> {
            form.persist();
            System.out.println("Saved: " + name.get() + " (" + isoCode.get() + ")");
        });
        resetBtn.setOnAction(e -> form.reset());

        HBox buttons = new HBox(10, resetBtn, saveBtn);
        VBox root = new VBox(10, formRenderer, buttons);
        root.setPadding(new Insets(20));

        Scene scene = new Scene(root, 600, 500);
        stage.setTitle("FormsFX Demo");
        stage.setScene(scene);
        stage.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}

```

--------------------------------

### Create and Bind String Property

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Demonstrates how to create a StringProperty and use it with Field.ofStringType. This is useful for binding UI elements to data models.

```java
StringProperty name = new SimpleStringProperty("Hans");
Field.ofStringType(name);
```

--------------------------------

### Configure Form Localization

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Shows how to set up localization for a form using ResourceBundles and a ResourceBundleService. This allows for multi-language support in form labels and messages.

```java
private ResourceBundle rbDE = ResourceBundle.getBundle("demo.demo-locale", new Locale("de", "CH"));
private ResourceBundle rbEN = ResourceBundle.getBundle("demo.demo-locale", new Locale("en", "UK"));

private ResourceBundleService rbs = new ResourceBundleService(rbEN);

Form.of(…)
        .i18n(rbs);
```

--------------------------------

### Create ListView Field

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Initialize a multi-selection field rendered as a list view.

```Java
Field.ofMultiSelectionType(Arrays.asList("Zürich (ZH)", "Bern (BE)", …), Arrays.asList(0, 1, …))
     .label("Biggest Cities")
```

--------------------------------

### Create String Field

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Initialize a string input field with a label.

```Java
Field.ofStringType("CHF")
     .label("Currency")
```

--------------------------------

### Create a Login Form with FormsFX

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

This Java code demonstrates how to create a simple login form using FormsFX's fluent API, including username and password fields with a required validation rule.

```Java
Form loginForm = Form.of(
        Group.of(
                Field.ofStringType(model.usernameProperty())
                        .label("Username"),
                Field.ofStringType(model.passwordProperty())
                        .label("Password")
                        .required("This field can’t be empty")
        )
).title("Login");
```

--------------------------------

### Create Integer Field

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Initialize an integer input field with a label.

```Java
Field.ofIntegerType(8401120)
     .label("Population")
```

--------------------------------

### Create CheckBox Field

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Initialize a multi-selection field rendered as checkboxes.

```Java
Field.ofMultiSelectionType(Arrays.asList("Africa", "Asia", …), Collections.singletonList(2))
     .label("Continent")
     .render(new SimpleCheckBoxControl<>())
```

--------------------------------

### Create ComboBox Field

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Initialize a single-selection field using a ComboBox.

```Java
Field.ofSingleSelectionType(Arrays.asList("Zürich (ZH)", "Bern (BE)", …), 1)
     .label("Capital")
```

--------------------------------

### FormsFX Field Configuration Options

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Details various configuration options for FormsFX fields using a fluent API. Covers setting labels, tooltips, placeholders, required status, editability, CSS styling, and column spans.

```java
import com.dlsc.formsfx.model.structure.Field;
import com.dlsc.formsfx.view.util.ColSpan;

Field.ofStringType("")
    .label("Email Address")              // Visible label
    .tooltip("Enter a valid email")      // Hover tooltip
    .placeholder("user@example.com")     // Placeholder text
    .required("Email is required")       // Mark as required with error message
    .required(true)                       // Mark as required without message
    .editable(true)                       // Enable/disable editing
    .id("email-field")                    // CSS ID for styling
    .styleClass("primary-field", "wide")  // CSS classes
    .span(ColSpan.HALF)                   // Half width (6 columns)
    .span(6);                             // Explicit column span (1-12)

// Multiline string field (textarea)
Field.ofStringType("")
    .label("Description")
    .multiline(true);

// ColSpan options: TWELFTH(1), SIXTH(2), QUARTER(3), THIRD(4), HALF(6), TWO_THIRD(8), FIVE_SIXTH(10)
```

--------------------------------

### Implement Internationalization with TranslationService

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Use ResourceBundleService to map translation keys to localized strings. Custom translation logic can be implemented by extending the TranslationService class.

```java
import com.dlsc.formsfx.model.structure.*;
import com.dlsc.formsfx.model.util.ResourceBundleService;
import com.dlsc.formsfx.model.validators.StringLengthValidator;
import java.util.Locale;
import java.util.ResourceBundle;

// Create resource bundles for different locales
// messages_en.properties: name_label=Name, name_required=Name is required
// messages_de.properties: name_label=Name, name_required=Name ist erforderlich

ResourceBundle rbEN = ResourceBundle.getBundle("messages", new Locale("en", "US"));
ResourceBundle rbDE = ResourceBundle.getBundle("messages", new Locale("de", "DE"));

// Create translation service
ResourceBundleService translationService = new ResourceBundleService(rbEN);

// Create form with translation keys (not literal text)
Form form = Form.of(
    Group.of(
        Field.ofStringType("")
            .label("name_label")           // Translation key
            .placeholder("name_placeholder")
            .required("name_required")
            .validate(StringLengthValidator.atLeast(2, "name_min_length")),
        Field.ofStringType("")
            .label("email_label")
            .required("email_required")
    )
).title("form_title")
 .i18n(translationService);  // Apply translation service

// Change locale at runtime
translationService.changeLocale(rbDE);  // Switches all text to German

// Custom translation service implementation
class CustomTranslationService extends com.dlsc.formsfx.model.util.TranslationService {
    @Override
    public String translate(String key) {
        // Custom translation logic (database, API, etc.)
        return getTranslation(key);
    }
}
```

--------------------------------

### Create RadioButton Field

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Initialize a single-selection field rendered as radio buttons.

```Java
Field.ofSingleSelectionType(Arrays.asList("Right", "Left"), 0)
     .label("Driving on the")
     .render(new SimpleRadioButtonControl<>())
```

--------------------------------

### Form Structure with Groups and Sections in FormsFX

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Shows how to create a form using nested groups and sections. Sections can have titles, be collapsible, and control their initial collapsed state. Fields within groups and sections can be spanned across columns.

```java
import com.dlsc.formsfx.model.structure.*;
import com.dlsc.formsfx.view.util.ColSpan;

Form form = Form.of(
    // Simple group without title
    Group.of(
        Field.ofStringType("").label("First Name").span(ColSpan.HALF),
        Field.ofStringType("").label("Last Name").span(ColSpan.HALF)
    ),

    // Section with title (collapsible)
    Section.of(
        Field.ofStringType("").label("Street Address"),
        Field.ofStringType("").label("City").span(ColSpan.HALF),
        Field.ofStringType("").label("State").span(ColSpan.QUARTER),
        Field.ofStringType("").label("ZIP").span(ColSpan.QUARTER)
    ).title("Address Information")
     .collapsible(true)     // Enable collapse functionality
     .collapse(false),      // Initial collapsed state

    // Another section
    Section.of(
        Field.ofStringType("").label("Email"),
        Field.ofStringType("").label("Phone")
    ).title("Contact Information")
).title("User Registration");
```

--------------------------------

### Create Double Field

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Initialize a double-precision floating point input field with a label.

```Java
Field.ofDoubleType(41285.0)
       .label("Area")
```

--------------------------------

### Render a Form

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Add a FormRenderer to a JavaFX Pane to display the form.

```Java
Pane root = new Pane();
root.getChildren().add(new FormRenderer(form));
```

--------------------------------

### Define a Form with Groups and Fields

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Construct a form by nesting fields within groups using the Form.of() method.

```Java
Form.of(
        Group.of(
                Field.ofStringType("")
                        .label("Username"),
                Field.ofStringType("")
                        .label("Password")
                        .required("This field can’t be empty")
        ),
        Group.of(…)
).title("Login");
```

--------------------------------

### Handle Form, Group, and Field Events

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Register event handlers to respond to persist and reset actions at different levels of the form hierarchy.

```java
import com.dlsc.formsfx.model.structure.*;
import com.dlsc.formsfx.model.event.*;

Form form = Form.of(
    Group.of(
        Field.ofStringType("").label("Name")
    )
).title("Event Demo");

// Form-level events
form.addEventHandler(FormEvent.FORM_PERSISTED, event -> {
    System.out.println("Form was persisted!");
    // Perform post-save actions
});

form.addEventHandler(FormEvent.FORM_RESET, event -> {
    System.out.println("Form was reset!");
});

// Group-level events
form.getGroups().get(0).addEventHandler(GroupEvent.GROUP_PERSISTED, event -> {
    System.out.println("Group persisted");
});

// Field-level events
form.getFields().get(0).addEventHandler(FieldEvent.FIELD_PERSISTED, event -> {
    System.out.println("Field persisted: " + event.getSource());
});

// Remove event handlers
form.removeEventHandler(FormEvent.FORM_PERSISTED, handler);
```

--------------------------------

### Create Boolean Field

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Initialize a boolean toggle field with a label.

```Java
Field.ofBooleanType(false)
     .label("Independent")
```

--------------------------------

### Regex Validation in FormsFX

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Shows how to use RegexValidator with pre-defined patterns for email, URL, and alphanumeric formats, as well as custom regex patterns for specific input validation. Input must match the provided regular expression.

```java
Field.ofStringType("")
    .label("Email")
    .validate(RegexValidator.forEmail("Invalid email format"));

Field.ofStringType("")
    .label("Website")
    .validate(RegexValidator.forURL("Invalid URL format"));

Field.ofStringType("")
    .label("Code")
    .validate(RegexValidator.forAlphaNumeric("Only letters and numbers allowed"));

// Custom regex pattern
Field.ofStringType("")
    .label("Phone")
    .validate(RegexValidator.forPattern("^\\+?[0-9]{10,14}$", "Invalid phone number"));
```

--------------------------------

### Add FormsFX Dependency to Maven

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Include this XML snippet in your pom.xml to add the FormsFX core library to your Maven project.

```XML
<dependency>
  <groupId>com.dlsc.formsfx</groupId>
  <artifactId>formsfx-core</artifactId>
  <version>11.3.2</version>
</dependency>
```

--------------------------------

### Render a Form with Custom Controls

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Use FormRenderer to display a form in a JavaFX scene. Custom controls like SimpleRadioButtonControl or SimpleCheckBoxControl can be specified via the render() method.

```java
import com.dlsc.formsfx.model.structure.*;
import com.dlsc.formsfx.view.renderer.FormRenderer;
import com.dlsc.formsfx.view.controls.*;
import javafx.scene.layout.Pane;
import javafx.scene.Scene;
import java.util.Arrays;
import java.util.List;

// Create the form
List<String> sides = Arrays.asList("Left", "Right");
List<String> continents = Arrays.asList("Africa", "Asia", "Europe", "Americas");

Form form = Form.of(
    Group.of(
        Field.ofStringType("").label("Name"),

        // Single selection with radio buttons instead of combobox
        Field.ofSingleSelectionType(sides, 1)
            .label("Driving Side")
            .render(new SimpleRadioButtonControl<>()),

        // Multi-selection with checkboxes instead of listview
        Field.ofMultiSelectionType(continents)
            .label("Continents Visited")
            .render(new SimpleCheckBoxControl<>())
    )
).title("Preferences");

// Render the form
FormRenderer formRenderer = new FormRenderer(form);

// Add to scene
Pane root = new Pane();
root.getChildren().add(formRenderer);

// Available controls:
// SimpleTextControl - text input (default for StringField)
// SimpleIntegerControl - integer input
// SimpleDoubleControl - double input
// SimpleBooleanControl - checkbox (default for BooleanField)
// SimpleComboBoxControl - dropdown (default for SingleSelectionField)
// SimpleRadioButtonControl - radio buttons
// SimpleCheckBoxControl - checkboxes
// SimpleListViewControl - list selection (default for MultiSelectionField)
// SimpleDateControl - date picker (default for DateField)
// SimplePasswordControl - password input (default for PasswordField)
```

--------------------------------

### String Length Validation in FormsFX

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Demonstrates using StringLengthValidator for minimum, maximum, exact, and between length constraints on string fields. Ensure input meets the specified length requirements.

```java
Field.ofStringType("")
    .label("Username")
    .validate(
        StringLengthValidator.atLeast(3, "Must be at least 3 characters"),
        StringLengthValidator.upTo(20, "Must be at most 20 characters")
    );

Field.ofStringType("")
    .label("Country Code")
    .validate(StringLengthValidator.exactly(2, "Must be exactly 2 characters"));

Field.ofStringType("")
    .label("Name")
    .validate(StringLengthValidator.between(2, 50, "Must be between 2-50 characters"));
```

--------------------------------

### Custom Validator with Predicate in FormsFX

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Demonstrates creating a custom validator using a predicate for complex validation logic, such as checking if an input string represents an even number. Handles potential NumberFormatException for non-integer inputs.

```java
// Custom validator with predicate
Field.ofStringType("")
    .label("Even Number")
    .validate(CustomValidator.forPredicate(
        input -> {
            try {
                return Integer.parseInt(input) % 2 == 0;
            } catch (NumberFormatException e) {
                return false;
            }
        },
        "Must be an even number"
    ));
```

--------------------------------

### Integer and Double Range Validation in FormsFX

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Illustrates using IntegerRangeValidator and DoubleRangeValidator to enforce numerical constraints, such as minimum, maximum, or positive values. Ensures numbers fall within the specified acceptable ranges.

```java
// Integer range validation
Field.ofIntegerType(0)
    .label("Age")
    .validate(IntegerRangeValidator.between(0, 120, "Age must be between 0-120"));

Field.ofIntegerType(0)
    .label("Quantity")
    .validate(IntegerRangeValidator.atLeast(1, "Minimum quantity is 1"));

// Double range validation
Field.ofDoubleType(0.0)
    .label("Price")
    .validate(DoubleRangeValidator.atLeast(0.01, "Price must be positive"));
```

--------------------------------

### Bind Form Fields to JavaFX Properties

Source: https://context7.com/dlsc-software-consulting-gmbh/formsfx/llms.txt

Bind form fields to external JavaFX properties for two-way data synchronization. Use BindingMode.CONTINUOUS for automatic persistence or call persist() manually.

```java
import com.dlsc.formsfx.model.structure.*;
import com.dlsc.formsfx.model.util.BindingMode;
import javafx.beans.property.*;
import javafx.collections.FXCollections;

// Model class with properties
class UserModel {
    private final StringProperty name = new SimpleStringProperty("John");
    private final IntegerProperty age = new SimpleIntegerProperty(30);
    private final BooleanProperty active = new SimpleBooleanProperty(true);
    private final ListProperty<String> roles = new SimpleListProperty<>(
        FXCollections.observableArrayList("Admin", "User", "Guest"));
    private final ObjectProperty<String> selectedRole = new SimpleObjectProperty<>("User");

    public StringProperty nameProperty() { return name; }
    public IntegerProperty ageProperty() { return age; }
    public BooleanProperty activeProperty() { return active; }
    public ListProperty<String> rolesProperty() { return roles; }
    public ObjectProperty<String> selectedRoleProperty() { return selectedRole; }
}

UserModel model = new UserModel();

Form form = Form.of(
    Group.of(
        // Bind to string property
        Field.ofStringType(model.nameProperty())
            .label("Name"),

        // Bind to integer property
        Field.ofIntegerType(model.ageProperty())
            .label("Age"),

        // Bind to boolean property
        Field.ofBooleanType(model.activeProperty())
            .label("Active"),

        // Bind selection field to properties
        Field.ofSingleSelectionType(model.rolesProperty(), model.selectedRoleProperty())
            .label("Role")
    )
).title("User Profile");

// Default: Manual persistence - call persist() to save
form.persist();  // Saves form values to bound properties

// Continuous binding - auto-save on each valid change
form.binding(BindingMode.CONTINUOUS);

// Listen to form state changes
form.changedProperty().addListener((obs, old, changed) ->
    System.out.println("Form changed: " + changed));
form.validProperty().addListener((obs, old, valid) ->
    System.out.println("Form valid: " + valid));
form.persistableProperty().addListener((obs, old, persistable) ->
    System.out.println("Form persistable: " + persistable));
```

--------------------------------

### Override Field Renderer

Source: https://github.com/dlsc-software-consulting-gmbh/formsfx/blob/master-11/README.md

Specify a custom control for rendering a field.

```Java
Field.ofMultiSelectionType(…)
        .render(new SimpleCheckBoxControl<>())
```

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