Java AlertType.WARNING屬性代碼示例

public void editClicked(){
	if(lstudname.getText().equals(""))
	{
		// Nothing selected.
           Alert alert = new Alert(AlertType.WARNING);
           alert.setTitle("No Selection");
           alert.setHeaderText("No Lecturer Selected");
           alert.setContentText("Please select a Lecturer in the list.");
           alert.showAndWait();
	}
	else
	{
		try {
			new EditLec().start(new Stage());
			EditLec.txtid.setText(lstudname.getText());
		} catch (Exception e) {
			ErrorMessage.display("Launch Error", e.getMessage()+" Application Launch Error");
			e.printStackTrace();
		}
	}
}
 

public void editClicked(){
	if(lstudname.getText().equals(""))
	{
		// Nothing selected.
           Alert alert = new Alert(AlertType.WARNING);
           alert.setTitle("No Selection");
           alert.setHeaderText("No Lecturer Selected");
           alert.setContentText("Please select a Lecturer in the list.");
           alert.showAndWait();
	}
	else
	{
		try {
			new EditVisitor().start(new Stage());
			EditVisitor.txtid.setText(lstudname.getText());
		} catch (Exception e) {
			ErrorMessage.display("Launch Error", e.getMessage()+" Application Launch Error");
			e.printStackTrace();
		}
	}
}
 

public void setPressbEdit(){
	if(txtname.getText().equals("") || txtlevel.getText().equals(""))
	{		
		// Nothing selected.
           Alert alert = new Alert(AlertType.WARNING);
           alert.setTitle("No Selection");
           alert.setHeaderText("No Person Selected");
           alert.setContentText("Please select a person in the table.");
           alert.showAndWait();
	}
	else
	{
		EditingClass ec= new EditingClass();
		ec.setToEdit();
	}
}
 

public void editClicked(){
	if(lstudname.getText().equals(""))
	{
		// Nothing selected.
           Alert alert = new Alert(AlertType.WARNING);
           alert.setTitle("No Selection");
           alert.setHeaderText("No Person Selected");
           alert.setContentText("Please select a Staff in the list.");
           alert.showAndWait();
	}
	else
	{
		try {
			new EditOffice().start(new Stage());
			EditOffice.txtid.setText(lstudname.getText());
		} catch (Exception e) {
			ErrorMessage.display("Launch Error", e.getMessage()+" Application Launch Error");
			e.printStackTrace();
		}
	}
}
 

@FXML
private void handleEditEntry() throws Exception {
	Entry selectedEntry = entryTable.getSelectionModel().getSelectedItem();

	if (selectedEntry != null) {
		boolean okClicked = mainApp.showAppEditDialog(selectedEntry);

		if (okClicked) {
			// removed description field
		}
	}
	else {
		Alert alert = new Alert(AlertType.WARNING);
		alert.initOwner(mainApp.getPrimaryStage());
		alert.setTitle("No Selection");
		alert.setHeaderText("No Entry Selected");
		alert.setContentText("Please select an entry in the table.");

		alert.showAndWait();
	}
}
 

@FXML
private void handleDeleteEntry() {
	int selectedIndex = entryTable.getSelectionModel().getSelectedIndex();

	if (selectedIndex >= 0) {
		entryTable.getItems().remove(selectedIndex);
	}
	else {
		Alert alert = new Alert(AlertType.WARNING);
		alert.initOwner(mainApp.getPrimaryStage());
		alert.setTitle("No Selection");
		alert.setHeaderText("No Entry Selected");
		alert.setContentText("Please select an entry in the table");
		alert.showAndWait();
	}
}
 

/**
 * Create and display an alert to the user.
 *
 * @param message
 *            string to display to user.
 */
private void displayAlert(String message) {
    Alert infoAlert = new Alert(AlertType.WARNING);
    infoAlert.setTitle(null);
    infoAlert.setHeaderText(null);
    infoAlert.setContentText(message);
    infoAlert.showAndWait();
}
 

public static void warning(String title,String header,String body){
	Alert alert = new Alert(AlertType.WARNING);
	alert.setTitle(title);
	alert.setHeaderText(header);
	alert.setContentText(body);

	alert.showAndWait();
}
 

public static Alert warningAlert(String header, String message, Throwable t) {
	Alert alert = new Alert(AlertType.WARNING);
	alert.setTitle("Warning");
	alert.setHeaderText(header);
	alert.setContentText(message);
	if(t != null)
		alert.getDialogPane().setExpandableContent(createExpandableContent(t));

	return alert;
}
 

public static Alert showWarning(String message) {
	Alert alert = new Alert(AlertType.WARNING);
	alert.setTitle("Warning");
	alert.setHeaderText(null);
	alert.setContentText(message);
	return alert;
}
 

public static Font getFont(String name) {
	if (!Font.getFamilies().contains(name)) {
		Alert a = new Alert(AlertType.WARNING);
		a.setContentText("Could not find font " + name + ". Defaulting to system font.");
		a.show();
	}
	return Font.font(name);
}
 

public static void showWarningDialogue(String title, String message)
{
	Alert alert = new Alert(AlertType.WARNING);
	alert.setTitle(title);
	alert.setHeaderText(null);
	alert.setContentText(message);
	
	alert.showAndWait();
}
 

public void deleteClicked()
{
	if(lstudname.getText().equals(""))
	{
		// Nothing selected.
           Alert alert = new Alert(AlertType.WARNING);
           alert.setTitle("No Selection");
           alert.setHeaderText("No Lecturer Selected");
           alert.setContentText("Please select a Lecturer in the list.");
           alert.showAndWait();
	}
	else
	{
	boolean result = Confirmation.display("Delete Record", " Are you sure you want to delete this \n Lecturer? ");
		if(result)
		{
			ObservableList<Reports> selectedProd, allProd;
			allProd= tableView.getItems();
			selectedProd = tableView.getSelectionModel().getSelectedItems();
			//selectedProd.forEach(allProd:: remove);
	
			//the delete query is now complete  ------------------>
			String query = "DELETE FROM Lecturers where s_id = '" + lstudname.getText() + "'";
			//connect to database
			DBConnect.connect();
			try {
               DBConnect.stmt.execute(query);
               selectedProd.forEach(allProd:: remove);
               SuccessMessage.display("Success", "Lecturer has been deleted successfully");
               DBConnect.closeConnection();
			} catch (Exception ea) {
               ErrorMessage.display("Launching Error", ea.getMessage()+" Error has occurred. Consult administrator");
			} 
			}
		}
}
 

public void deleteClicked()
{
	if(lstudname.getText().equals(""))
	{
		// Nothing selected.
           Alert alert = new Alert(AlertType.WARNING);
           alert.setTitle("No Selection");
           alert.setHeaderText("No Lecturer Selected");
           alert.setContentText("Please select a Visitor in the list.");
           alert.showAndWait();
	}
	else
	{
	boolean result = Confirmation.display("Delete Record", " Are you sure you want to delete this \nVisitor? ");
		if(result)
		{
			ObservableList<Reports> selectedProd, allProd;
			allProd= tableView.getItems();
			selectedProd = tableView.getSelectionModel().getSelectedItems();
			//selectedProd.forEach(allProd:: remove);
	
			//the delete query is now complete  ------------------>
			String query = "DELETE FROM visitors where s_id = '" + lstudname.getText() + "'";
			//connect to database
			DBConnect.connect();
			try {
               DBConnect.stmt.execute(query);
               selectedProd.forEach(allProd:: remove);
               SuccessMessage.display("Success", "Lecturer has been deleted successfully");
               DBConnect.closeConnection();
			} catch (Exception ea) {
               ErrorMessage.display("Launching Error", ea.getMessage()+" Error has occurred. Consult administrator");
			} 
			}
		}
}
 

public void deleteClicked()
{
	if(txtname.getText().equals("") || txtlevel.getText().equals(""))
	{
		// Nothing selected.
           Alert alert = new Alert(AlertType.WARNING);
           alert.setTitle("No Selection");
           alert.setHeaderText("No Person Selected");
           alert.setContentText("Please select a person in the table.");
           alert.showAndWait();
	}
	else
	{
	boolean result = Confirmation.display("Delete Record", " Are you sure you want to delete this \n user? ");
		if(result)
		{
			ObservableList<UserCreation> selectedProd, allProd;
			allProd= table.getItems();
			selectedProd = table.getSelectionModel().getSelectedItems();
			//selectedProd.forEach(allProd:: remove);
	
			//the delete query is now complete  ------------------>
			String query = "DELETE FROM login where username='" + txtname.getText() + "'";
			//connect to database
			DBConnect.connect();
			try {
               DBConnect.stmt.execute(query);
               selectedProd.forEach(allProd:: remove);
               SuccessMessage.display("Success", "User has been deleted successfully");
               DBConnect.closeConnection();
			} catch (Exception ea) {
               ErrorMessage.display("Launching Error", ea.getMessage()+" Error has occurred. Consult administrator");
			} 
			}
		}
}