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A large repository of scripts for use in any Java program.
package com.jgcomptech.tools.dialogs;
import javafx.fxml.FXMLLoader;
import javafx.fxml.Initializable;
import javafx.scene.control.Dialog;
import javafx.scene.image.Image;
import javafx.stage.Stage;
import java.io.IOException;
import java.util.Optional;
/**
* Loads a dialog using the specified JavaFX fxml file.
* @param the class type to be returned when the dialog is closed.
* @param the controller class to be used for the dialog.
*/
public class FXMLDialogWrapper {
private final Dialog dialog;
private final FXMLLoader loader;
//region Constructor Overflows
/**
* Creates an instance of a dialog and sets the specified fxml file path.
* @param fxmlPath the path of the fxml file
* @throws IOException if fxml file fails to load
*/
public FXMLDialogWrapper(String fxmlPath) throws IOException {
this(null, null, null, fxmlPath);
}
/**
* Creates an instance of a dialog and sets the specified title and fxml file path.
* @param title the title
* @param fxmlPath the path of the fxml file
* @throws IOException if fxml file fails to load
*/
public FXMLDialogWrapper(String title, String fxmlPath) throws IOException {
this(title, null, null, fxmlPath);
}
/**
* Creates an instance of a dialog and sets the specified icon and fxml file path.
* @param icon the icon image for the to be used in the window decorations and when minimized
* @param fxmlPath the path of the fxml file
* @throws IOException if fxml file fails to load
*/
public FXMLDialogWrapper(Image icon, String fxmlPath) throws IOException {
this(null, icon, null, fxmlPath);
}
/**
* Creates an instance of a dialog and sets the specified owner and fxml file path.
* @param owner the owner Window
* @param fxmlPath the path of the fxml file
* @throws IOException if fxml file fails to load
*/
public FXMLDialogWrapper(Stage owner, String fxmlPath) throws IOException {
this(null, null, owner, fxmlPath);
}
/**
* Creates an instance of a dialog and sets the specified icon, owner and fxml file path.
* @param icon the icon image for the to be used in the window decorations and when minimized
* @param owner the owner Window
* @param fxmlPath the path of the fxml file
* @throws IOException if fxml file fails to load
*/
public FXMLDialogWrapper(Image icon, Stage owner, String fxmlPath) throws IOException {
this(null, icon, owner, fxmlPath);
}
/**
* Creates an instance of a dialog and sets the specified title, owner and fxml file path.
* @param title the title
* @param owner the owner Window
* @param fxmlPath the path of the fxml file
* @throws IOException if fxml file fails to load
*/
public FXMLDialogWrapper(String title, Stage owner, String fxmlPath) throws IOException {
this(title, null, owner, fxmlPath);
}
/**
* Creates an instance of a dialog and sets the specified title, icon and fxml file path.
* @param title the title
* @param icon the icon image for the to be used in the window decorations and when minimized
* @param fxmlPath the path of the fxml file
* @throws IOException if fxml file fails to load
*/
public FXMLDialogWrapper(String title, Image icon, String fxmlPath) throws IOException {
this(title, icon, null, fxmlPath);
}
//endregion Constructor Overflows
/**
* Creates an instance of a dialog and sets the specified title, icon, owner and fxml file path.
* @param title the title
* @param icon the icon image for the to be used in the window decorations and when minimized
* @param owner the owner Window
* @param fxmlPath the path of the fxml file
* @throws IOException if fxml file fails to load
*/
public FXMLDialogWrapper(String title, Image icon, Stage owner, String fxmlPath) throws IOException {
if(fxmlPath == null || fxmlPath.isEmpty()) {
throw new IllegalArgumentException("FXML path cannot be null or an empty string.");
}
else loader = new FXMLLoader(getClass().getResource(fxmlPath));
dialog = loader.load();
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
dialogStage.setResizable(false);
dialogStage.initOwner(owner);
if(title != null) {
if(title.isEmpty()) throw new IllegalArgumentException("Title cannot be an empty string.");
else dialogStage.setTitle(title);
}
if(title != null) {
if(icon.isError()) throw new IllegalArgumentException("Icon cannot have loading errors.");
else dialogStage.getIcons().add(icon);
}
}
/**
* Returns the {@code FXMLLoader} that was used to load the {@code Dialog}.
* @return the {@code FXMLLoader} object
*/
public FXMLLoader getLoader() { return loader; }
/**
* Returns the {@code Dialog} as a {@code Dialog} object.
* @return the {@code Dialog} object
*/
public Dialog getDialog() { return dialog; }
/**
* Returns the controller associated with the {@code Dialog}
* @return the {@code Controller} object
*/
public Controller getController() { return loader.getController(); }
/**
* Defines the controller associated with the {@code Dialog}
* @param controller the {@code Controller} object
*/
public void getController(Initializable controller) { loader.setController(controller); }
/**
* Shows the dialog and waits for the user response (in other words, brings
* up a blocking dialog, with the returned value the users input).
*
* This method must be called on the JavaFX Application thread.
* Additionally, it must either be called from an input event handler or
* from the run method of a Runnable passed to
* {@link javafx.application.Platform#runLater Platform.runLater}.
* It must not be called during animation or layout processing.
*
*
* @return An {@link Optional} that contains the result.
* Refer to the {@link Dialog} class documentation for more detail.
* @throws IllegalStateException if this method is called on a thread
* other than the JavaFX Application Thread.
* @throws IllegalStateException if this method is called during
* animation or layout processing.
*/
public Optional showAndWait() { return dialog.showAndWait(); }
/**
* Defines the title of the {@code Dialog}.
*
* @param value the title to set.
*/
public void setTitle(String value) {
if(value == null || value.isEmpty()) throw new IllegalArgumentException("Title cannot be null or an empty string.");
else {
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
dialogStage.setTitle(value);
}
}
/**
* Defines the icon image for the {@code Dialog} to be used in the window decorations and when minimized.
* @param value the icon image
*/
public void setIcon(Image value) {
if(value == null || value.isError()) throw new IllegalArgumentException("Icon cannot be null or have loading errors.");
else {
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
dialogStage.getIcons().add(value);
}
}
/**
* Defines the owner Window for this {@code Dialog}, or null for a top-level,
* unowned stage. This must be done prior to making the stage visible.
*
* @param value the owner for this dialog.
*
* @throws IllegalStateException if this property is set after the stage
* has ever been made visible.
*
* @throws IllegalStateException if this stage is the primary stage.
*/
public void setOwner(Stage value) {
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
dialogStage.initOwner(value);
}
/**
* Defines whether this {@code Dialog} is kept on top of other windows.
*
* If some other window is already always-on-top then the
* relative order between these windows is unspecified (depends on
* platform).
*
*
* There are differences in behavior between applications if a security
* manager is present. Applications with permissions are allowed to set
* "always on top" flag on a Stage. In applications without the proper
* permissions, an attempt to set the flag will be ignored and the property
* value will be restored to "false".
*
*
* @param value the value to set.
*/
public void setAlwaysOnTop(boolean value) {
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
dialogStage.setAlwaysOnTop(value);
}
/**
* Returns the title of the {@code Dialog}.
*
* @return the title
*/
public String getTitle() {
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
return dialogStage.getTitle();
}
/**
* Returns the icon image for the {@code Dialog} that is used in the window decorations and when minimized.
* @return the icon image, null if no icon exists
*/
public Image getIcon() {
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
return dialogStage.getIcons().isEmpty() ? null : dialogStage.getIcons().get(0);
}
/**
* Returns the owner Window for this {@code Dialog}, or null for a top-level,
* unowned stage.
*
* @return the owner for this dialog.
*/
public Stage getOwner() {
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
return (Stage) dialogStage.getOwner();
}
/**
* Returns whether this {@code Dialog} is kept on top of other windows.
*
* If some other window is already always-on-top then the
* relative order between these windows is unspecified (depends on
* platform).
*
*
* There are differences in behavior between applications if a security
* manager is present. Applications with permissions are allowed to set
* "always on top" flag on a Stage. In applications without the proper
* permissions, an attempt to set the flag will be ignored and the property
* value will be restored to "false".
*
*
* @return if dialog is kept on top of other windows
*/
public boolean isAlwaysOnTop() {
final Stage dialogStage = (Stage) dialog.getDialogPane().getScene().getWindow();
return dialogStage.isAlwaysOnTop();
}
}