InputField.java

package src.com.fxexperience.javafx.scene.control;

import javafx.beans.property.BooleanProperty;
import javafx.beans.property.IntegerProperty;
import javafx.beans.property.IntegerPropertyBase;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.ObjectPropertyBase;
import javafx.beans.property.SimpleBooleanProperty;
import javafx.beans.property.StringProperty;
import javafx.beans.property.StringPropertyBase;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.control.Control;

/**
 *
 */
public class InputField extends Control {

	/**
	 * The default value for {@link #prefColumnCount}.
	 */
	public static final int DEFAULT_PREF_COLUMN_COUNT = 12;

	/**
	 * Indicates whether this InputField can be edited by the user. If true, the
	 * "readonly" pseudo class will be false, but if false, the "readonly"
	 * pseudo class will be true.
	 */
	private BooleanProperty editable = new SimpleBooleanProperty(this,
			"editable", true);

	public final boolean isEditable() {

		return editable.getValue();
	}

	public final void setEditable(boolean value) {

		editable.setValue(value);
	}

	public final BooleanProperty editableProperty() {

		return editable;
	}

	/**
	 * The {@code InputField}'s prompt text to display, or <tt>null</tt> if no
	 * prompt text is displayed.
	 */
	private StringProperty promptText = new StringPropertyBase("") {

		@Override
		protected void invalidated() {

			// Strip out newlines
			String txt = get();
			if (txt != null && txt.contains("\n")) {
				txt = txt.replace("\n", "");
				set(txt);
			}
		}

		@Override
		public Object getBean() {

			return InputField.this;
		}

		@Override
		public String getName() {

			return "promptText";
		}
	};

	public final StringProperty promptTextProperty() {

		return promptText;
	}

	public final String getPromptText() {

		return promptText.get();
	}

	public final void setPromptText(String value) {

		promptText.set(value);
	}

	/**
	 * The preferred number of text columns. This is used for calculating the
	 * {@code InputField}'s preferred width.
	 */
	private IntegerProperty prefColumnCount = new IntegerPropertyBase(
			DEFAULT_PREF_COLUMN_COUNT) {

		@Override
		public void set(int value) {

			if (value < 0) {
				throw new IllegalArgumentException("value cannot be negative.");
			}

			super.set(value);
		}

		@Override
		public Object getBean() {

			return InputField.this;
		}

		@Override
		public String getName() {

			return "prefColumnCount";
		}
	};

	public final IntegerProperty prefColumnCountProperty() {

		return prefColumnCount;
	}

	public final int getPrefColumnCount() {

		return prefColumnCount.getValue();
	}

	public final void setPrefColumnCount(int value) {

		prefColumnCount.setValue(value);
	}

	/**
	 * The action handler associated with this InputField, or <tt>null</tt> if
	 * no action handler is assigned.
	 * 
	 * The action handler is normally called when the user types the ENTER key.
	 */
	private ObjectProperty<EventHandler<ActionEvent>> onAction = new ObjectPropertyBase<EventHandler<ActionEvent>>() {

		@Override
		protected void invalidated() {

			setEventHandler(ActionEvent.ACTION, get());
		}

		@Override
		public Object getBean() {

			return InputField.this;
		}

		@Override
		public String getName() {

			return "onAction";
		}
	};

	public final ObjectProperty<EventHandler<ActionEvent>> onActionProperty() {

		return onAction;
	}

	public final EventHandler<ActionEvent> getOnAction() {

		return onActionProperty().get();
	}

	public final void setOnAction(EventHandler<ActionEvent> value) {

		onActionProperty().set(value);
	}

	/**
	 * Creates a new InputField. The style class is set to "money-field".
	 */
	public InputField() {

		getStyleClass().setAll("input-field");
	}

	@Override
	protected String getUserAgentStylesheet() {

		return getClass().getResource("InputField.css").toExternalForm();
	}
}