JavaFX: TextArea

 

TextArea control is used to display multiple lines of text.

 

Can a TextArea editable?

Yes, it is editable by default. You can make it read-only if requires.

 

Can a TextArea scrollable?

Yes, if given text do not fit into TextArea, scrollbar appears automatically.

 

TextArea class provides following constructors to get TextArea instance.

 

public TextArea()

Creates a TextArea with empty text content.

 

public TextArea(String text)

Creates a TextArea with initial text content.

 

How to set font to a TextArea?

textArea.setFont(Font.font("Verdana", 20));

 

How to get the text from TextArea?

textArea.getText()

 

Find the below working application.

 

TextAreaDemo.java 

package com.sample.app.widgets;

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.ComboBox;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;
import javafx.scene.effect.DropShadow;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.text.Font;
import javafx.scene.text.FontPosture;
import javafx.stage.Stage;

public class TextAreaDemo extends Application {

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

	}

	@Override
	public void start(Stage primaryStage) throws Exception {

		HBox hBox1 = new HBox();
		Label label1 = new Label("Enter some text in TextArea and select respective font");
		label1.setFont(Font.font("Verdana", FontPosture.REGULAR, 20));
		hBox1.getChildren().add(label1);
		hBox1.setPadding(new Insets(20, 20, 20, 20));

		HBox hBox2 = new HBox();
		hBox2.setPadding(new Insets(20, 20, 20, 20));
		hBox2.setSpacing(30);

		TextArea textArea = new TextArea();
		textArea.setMinWidth(250);
		textArea.setMinHeight(250);
		textArea.setFont(Font.font("Verdana", 20));

		hBox2.getChildren().addAll(textArea);

		HBox hBox3 = new HBox();
		hBox3.setSpacing(20);
		hBox3.setPadding(new Insets(20, 20, 20, 20));

		Label label = new Label("Select a font");
		label.setFont(Font.font("Verdana", FontPosture.REGULAR, 20));

		ComboBox<String> comboBox = new ComboBox<>();
		comboBox.getItems().addAll("Arial Black", "Bogle Black Italic", "System Bold", "Times New Roman", "Verdana");
		comboBox.getSelectionModel().selectFirst();
		comboBox.setEditable(true);
		comboBox.setVisibleRowCount(3);

		comboBox.setOnAction((event) -> {
			String selectedItem = comboBox.getSelectionModel().getSelectedItem();
			textArea.setFont(Font.font(selectedItem, 20));
		});

		hBox3.getChildren().addAll(label, comboBox);

		DropShadow dropShadow = new DropShadow();
		dropShadow.setOffsetX(5);
		dropShadow.setOffsetY(5);
		dropShadow.setColor(Color.GRAY);

		VBox vBox = new VBox();
		vBox.getChildren().addAll(hBox1, hBox2, hBox3);
		vBox.setEffect(dropShadow);

		Scene scene = new Scene(vBox, 600, 500, Color.WHITE);

		primaryStage.setTitle("TextArea Demo");
		primaryStage.setScene(scene);
		primaryStage.show();
	}
}

 

Output

 

You can write some text in TextArea and select respective font from the drop down.

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