Created
July 4, 2013 11:33
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| package labeldemo; | |
| import java.io.IOException; | |
| import javafx.application.Application; | |
| import javafx.event.ActionEvent; | |
| import javafx.event.EventHandler; | |
| import javafx.fxml.FXMLLoader; | |
| import javafx.scene.Scene; | |
| import javafx.scene.control.Button; | |
| import javafx.scene.layout.AnchorPane; | |
| import javafx.scene.layout.StackPane; | |
| import javafx.stage.Stage; | |
| public class LabelDemo extends Application { | |
| @Override | |
| public void start(Stage stage) throws IOException { | |
| AnchorPane root = FXMLLoader.load(getClass().getResource("view.fxml")); | |
| Scene scene = new Scene(root); | |
| stage.setTitle("Label Demo"); | |
| stage.setScene(scene); | |
| stage.show(); | |
| } | |
| public static void main(String... args) { | |
| launch(args); | |
| } | |
| } |
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| <?xml version="1.0" encoding="UTF-8"?> | |
| <?import java.lang.*?> | |
| <?import java.util.*?> | |
| <?import javafx.scene.control.*?> | |
| <?import javafx.scene.layout.*?> | |
| <?import javafx.scene.paint.*?> | |
| <?import javafx.scene.shape.*?> | |
| <AnchorPane id="AnchorPane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="100.0" prefWidth="400.0" xmlns:fx="http://javafx.com/fxml" fx:controller="labeldemo.ViewController"> | |
| <children> | |
| <TextField fx:id="field" onAction="#action" prefWidth="200.0" AnchorPane.leftAnchor="14.0" AnchorPane.rightAnchor="14.0" AnchorPane.topAnchor="14.0" /> | |
| <Pane fx:id="pane" AnchorPane.bottomAnchor="14.0" AnchorPane.leftAnchor="14.0" AnchorPane.topAnchor="60.0"> | |
| <children> | |
| <Rectangle fx:id="rect" fill="cadetblue" /> | |
| <Label fx:id="label" /> | |
| </children> | |
| </Pane> | |
| </children> | |
| </AnchorPane> |
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| package labeldemo; | |
| import java.net.URL; | |
| import java.util.ResourceBundle; | |
| import javafx.event.ActionEvent; | |
| import javafx.fxml.FXML; | |
| import javafx.fxml.Initializable; | |
| import javafx.scene.control.Label; | |
| import javafx.scene.control.TextField; | |
| import javafx.scene.layout.Pane; | |
| import javafx.scene.shape.Rectangle; | |
| public class ViewController implements Initializable { | |
| @FXML | |
| private TextField field; | |
| @FXML | |
| private Pane pane; | |
| @FXML | |
| private Label label; | |
| // pane の大きさが分かるように、paneと同じ大きさの四角形を配置する | |
| @FXML | |
| private Rectangle rect; | |
| @FXML | |
| private void action(ActionEvent event) { | |
| // テキストフィールドに入力した文字をラベルにセットする | |
| label.setText(field.getText()); | |
| } | |
| @Override | |
| public void initialize(URL url, ResourceBundle rb) { | |
| // 四角形のサイズをpaneのサイズとバインドさせる | |
| rect.widthProperty().bind(pane.widthProperty()); | |
| rect.heightProperty().bind(pane.heightProperty()); | |
| // paneの幅をlabelの幅にバインドさせる | |
| // ただし、PaneクラスにはwidthProperty()は定義されていないので、 | |
| // 代わりにprefWidthProperty()にバインドする | |
| pane.prefWidthProperty().bind(label.widthProperty()); | |
| } | |
| } |
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