javaFx DialogPane 对话框

包含文字、图片、自定义按钮、折叠和展开

基本弹框、确认框等等

自定义登录对话框

package application;

import java.util.ArrayList;
import java.util.List;
import java.util.Optional;

import javafx.application.Application;
import javafx.application.Platform;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Insets;
import javafx.scene.Node;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.Button;
import javafx.scene.control.ButtonBar.ButtonData;
import javafx.scene.control.ButtonType;
import javafx.scene.control.ChoiceDialog;
import javafx.scene.control.Dialog;
import javafx.scene.control.DialogPane;
import javafx.scene.control.Label;
import javafx.scene.control.PasswordField;
import javafx.scene.control.TextField;
import javafx.scene.control.TextInputDialog;
import javafx.scene.image.ImageView;
import javafx.scene.layout.AnchorPane;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.scene.paint.Paint;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Modality;
import javafx.stage.Stage;
import javafx.stage.StageStyle;
import javafx.util.Pair;

public class MyAnchorPane extends Application{

	@Override
	public void start( Stage primaryStage) throws Exception {
		
		/**
		AnchorPane anchorPane=new AnchorPane();
		anchorPane.setPrefSize(300, 300);
		anchorPane.setStyle("-fx-background-color:#1E90FF;");
		Button button=new Button ("button");
		AnchorPane.setLeftAnchor(button, 10.0);
		AnchorPane.setTopAnchor(button, 10.0);
		anchorPane.getChildren().add(button);
		
		Label label = new Label("Name");
		label.setTextFill(Color.RED);
		label.setStyle("-fx-background-color:white;");
		AnchorPane.setRightAnchor(label, 30.0);
		anchorPane.getChildren().add(label);
		Scene scene=new Scene(anchorPane);
		
		HBox hBox = new HBox();
		hBox.getChildren().add(new Button("Name"));
		hBox.getChildren().add(new Button("Age"));
		hBox.getChildren().add(new Button("Like"));
		hBox.setPadding(new Insets(30,30, 30, 30));
		Scene scene=new Scene(hBox);
		
		HBox hBox = new HBox();
		hBox.getChildren().add(new Button("Name"));
		hBox.getChildren().add(new Button("Age"));
		hBox.getChildren().add(new Button("Like"));
		hBox.setPadding(new Insets(30,30, 30, 30));
		VBox vBox = new VBox();
		vBox.getChildren().add(new Button("Name"));
		vBox.getChildren().add(new Button("Age"));
		vBox.getChildren().add(new Button("Like"));
		vBox.getChildren().add(hBox);
		vBox.setPadding(new Insets(30,30, 30, 30));
		Scene scene=new Scene(vBox);
		*/

		Stage stage = new Stage();
		DialogPane dialogPane = new DialogPane();
		dialogPane.setHeaderText("HeaderText");
		dialogPane.setContentText("ContentText");

		ImageView imageView = new ImageView("image\\xxb.png");
		imageView.setFitWidth(50);
		imageView.setPreserveRatio(true);
		dialogPane.setGraphic(imageView);

		Text text1 = new Text("ExpandableContentExpandableContent");
		Text text2 = new Text("ExpandableContentExpandableContent");
		text1.setFill(Paint.valueOf("#ccc"));
		text1.setFont(Font.font(20));
		VBox vBox = new VBox();
		vBox.getChildren().add(text1);
		vBox.getChildren().add(text2);
		dialogPane.setExpandableContent(vBox);
		dialogPane.setExpanded(true);

		dialogPane.getButtonTypes().add(ButtonType.OK);
		dialogPane.getButtonTypes().add(ButtonType.APPLY);
		dialogPane.getButtonTypes().add(ButtonType.CANCEL);
		Button btnOk = (Button) dialogPane.lookupButton(ButtonType.OK);
		Button btnApply = (Button) dialogPane.lookupButton(ButtonType.APPLY);
		Button btnCancel = (Button) dialogPane.lookupButton(ButtonType.CANCEL);
		btnOk.setOnAction((e)->{
			//确认对话框
			Alert alert = new Alert(AlertType.INFORMATION);
			alert.setTitle("Information Dialog");
			alert.setHeaderText("Look, an Information Dialog");
			alert.setContentText("I have a great message for you!");
			alert.showAndWait();
			// 警告
			Alert alert2 = new Alert(AlertType.WARNING);
			alert2.setTitle("Warning Dialog");
			alert2.setHeaderText("Look, a Warning Dialog");
			alert2.setContentText("Careful with the next step!");
			alert2.showAndWait();
			// 错误
			Alert alert3 = new Alert(AlertType.ERROR);
			alert3.setTitle("Error Dialog");
			alert3.setHeaderText("Look, an Error Dialog");
			alert3.setContentText("Ooops, there was an error!");
			alert3.showAndWait();
			//stage.close();
		});
		btnApply.setOnAction((e)->{
			//确认、取消对话框
			Alert alert = new Alert(AlertType.CONFIRMATION);
			alert.setTitle("Confirmation Dialog");
			alert.setHeaderText("Look, a Confirmation Dialog");
			alert.setContentText("Are you ok with this?");
			//alert.initStyle(StageStyle.UTILITY); // 不使用图标
			Optional<ButtonType> result = alert.showAndWait();
			if (result.get() == ButtonType.OK){   
				// ... user chose OK
				} else {   
					// ... user chose CANCEL or closed the dialog
				}
			
			//自定义确认对话框
			Alert alert2 = new Alert(AlertType.CONFIRMATION);
			alert2.setTitle("Confirmation Dialog with Custom Actions");
			alert2.setHeaderText("Look, a Confirmation Dialog with Custom Actions");
			alert2.setContentText("Choose your option.");
			ButtonType buttonTypeOne = new ButtonType("One");
			ButtonType buttonTypeTwo = new ButtonType("Two");
			ButtonType buttonTypeThree = new ButtonType("Three");
			ButtonType buttonTypeCancel = new ButtonType("Cancel", ButtonData.CANCEL_CLOSE);
			alert2.getButtonTypes().setAll(buttonTypeOne, buttonTypeTwo, buttonTypeThree, buttonTypeCancel);
			Optional<ButtonType> result2 = alert2.showAndWait();
			if (result2.get() == buttonTypeOne){ 
				// ... user chose "One"
				} else if (result2.get() == buttonTypeTwo) {
					// ... user chose "Two"
					} else if (result2.get() == buttonTypeThree) { 
						// ... user chose "Three"
						} else { 
							// ... user chose CANCEL or closed the dialog
							}
			
			
		});
		btnCancel.setOnAction((e)->{
			//可输入内容
			TextInputDialog dialog = new TextInputDialog("walter");
			dialog.setTitle("Text Input Dialog");
			dialog.setHeaderText("Look, a Text Input Dialog");
			dialog.setContentText("Please enter your name:");
			// Traditional way to get the response value.
			Optional<String> result = dialog.showAndWait();
			//如果用户点击了取消按钮result.isPresent()将会返回false
			if (result.isPresent()){    
				System.out.println("Your name: " + result.get());
			}// The Java 8 way to get the response value (with lambda expression).result.ifPresent(name -> System.out.println("Your name: " + name));
			
			
			
			//可选择对话框
			List<String> choices = new ArrayList<>();
			choices.add("a");
			choices.add("b");
			choices.add("c");
			ChoiceDialog<String> dialog2 = new ChoiceDialog<>("b", choices);
			dialog2.setTitle("Choice Dialog");
			dialog2.setHeaderText("Look, a Choice Dialog");
			dialog2.setContentText("Choose your letter:");
			// Traditional way to get the response value.
			Optional<String> result2 = dialog2.showAndWait();
			if (result2.isPresent()){   
				System.out.println("Your choice: " + result2.get());
			}// The Java 8 way to get the response value (with lambda expression).result.ifPresent(letter -> System.out.println("Your choice: " + letter));
		
		
		
		  // 自定义登录
			// Create the custom dialog.
			Dialog<Pair<String, String>> dialog3 = new Dialog<>();
			dialog3.setTitle("Login Dialog");
			dialog3.setHeaderText("Look, a Custom Login Dialog");
			// Set the icon (must be included in the project).
			dialog3.setGraphic(new ImageView(this.getClass().getResource("/image/xxb.png").toString()));
			// Set the button types.ButtonType login
			ButtonType loginButtonType= new ButtonType("Login", ButtonData.OK_DONE);
			dialog3.getDialogPane().getButtonTypes().addAll(loginButtonType, ButtonType.CANCEL);
			// Create the username and password labels and fields.
			GridPane grid = new GridPane();
			grid.setHgap(10);
			grid.setVgap(10);
			grid.setPadding(new Insets(20, 150, 10, 10));
			TextField username = new TextField();
			username.setPromptText("Username");
			PasswordField password = new PasswordField();
			password.setPromptText("Password");
			grid.add(new Label("Username:"), 0, 0);
			grid.add(username, 1, 0);
			grid.add(new Label("Password:"), 0, 1);
			grid.add(password, 1, 1);
			// Enable/Disable login button depending on whether a username was entered.Node
			Node loginButton = dialog3.getDialogPane().lookupButton(loginButtonType);
			loginButton.setDisable(true);
			// Do some validation (using the Java 8 lambda syntax).
			username.textProperty().addListener((observable, oldValue, newValue) -> {  
				loginButton.setDisable(newValue.trim().isEmpty());
				});
			dialog3.getDialogPane().setContent(grid);
			// Request focus on the username field by default.
			Platform.runLater(() -> username.requestFocus());
			// Convert the result to a username-password-pair when the login button is clicked.
			dialog3.setResultConverter(dialogButton -> {    
				if (dialogButton == loginButtonType) {       
					 new Pair<>(username.getText(), password.getText()); 
					}   
				return null;
				});
			Optional<Pair<String, String>> result3 = dialog3.showAndWait();
			result3.ifPresent(usernamePassword -> {   
				System.out.println("Username=" + usernamePassword.getKey() + ", Password=" + usernamePassword.getValue());
				});
		
		});
		stage.initOwner(primaryStage); //如果指定所有者或拥有者为null，那么它是一个顶级的、未拥有的对话框。
		stage.initModality(Modality.WINDOW_MODAL);//可以指定对话框的模式，包括Modality.NONE、WINDOW_MODAL或Modality.APPLICATION_MODAL。
		stage.setResizable(false);
		stage.setScene(new Scene(dialogPane));
		
		primaryStage.show();
		stage.show();

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

}