org.danilopianini.view

Class GUIUtilities

java.lang.Object

org.danilopianini.view.GUIUtilities

public final class GUIUtilities
extends Object

A collection of static utilities to deal with Swing GUIs.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	GUIUtilities()

Method Summary

Modifier and Type	Method and Description
static void	alertMessage(String title, String content) Displays a warning message.
static void	disableDoubleBuffering(Component c) Turns the double buffering off.
static void	displayInCenterOfScreen(Component f) Displays a Component in center of the screen.
static void	enableDoubleBuffering(Component c) Turns the double buffering on.
static void	errorMessage(Throwable e) Displays on screen an error containing an Exception.
static void	errorMessage(Throwable e, boolean stackTrace) Displays on screen an error screen describing an Exception.
static GraphicsDevice[]	getGraphicDevices()
static ImageIcon	loadScaledImage(String path, int w, int h) Loads a resized instance of an ImageIcon.
static void	packAndDisplayInCenterOfScreen(Window f) Packs a Window and display it in center of the screen.
static void	saveComponentAsImage(String path, Component target, String format) Given a component, saves it on disk as image.
static void	setDefaultIcon(JFrame window, String imagepath) Sets the icon for a window.
static void	warningMessage(String title, String content) Displays a warning message.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GUIUtilities

private GUIUtilities()

Method Detail

alertMessage

public static void alertMessage(String title,
                                String content)

Displays a warning message.

Parameters:

title - The title of the window

content - The text to display inside

disableDoubleBuffering

public static void disableDoubleBuffering(Component c)

Turns the double buffering off. This normally reduces performances, but is useful for printing purposes

Parameters:

c - the component whose double buffering should be disabled

displayInCenterOfScreen

public static void displayInCenterOfScreen(Component f)

Displays a Component in center of the screen.

Parameters:

f - the component to display

enableDoubleBuffering

public static void enableDoubleBuffering(Component c)

Turns the double buffering on.

Parameters:

c - the component whose double buffering should be enabled

errorMessage

public static void errorMessage(Throwable e)

Displays on screen an error containing an Exception.

Parameters:

e - the Throwable that generates the error event

errorMessage

public static void errorMessage(Throwable e,
                                boolean stackTrace)

Displays on screen an error screen describing an Exception.

Parameters:

e - the Throwable that generates the error event

stackTrace - choose wether to print or not the complete stacktrace

loadScaledImage

public static ImageIcon loadScaledImage(String path,
                                        int w,
                                        int h)

Loads a resized instance of an ImageIcon.

Parameters:

path - the path where to load the icon. This method uses the System resource loader, and it's thus able to access resources located in the whole classpath, jars included

w - width

h - height

Returns:

the scaled instance, or null if the resource is unavailable.

packAndDisplayInCenterOfScreen

public static void packAndDisplayInCenterOfScreen(Window f)

Packs a Window and display it in center of the screen.

Parameters:

f - the window to pack and display

saveComponentAsImage

public static void saveComponentAsImage(String path,
                                        Component target,
                                        String format)
                                 throws IOException

Given a component, saves it on disk as image.

Parameters:

path - the file to save

target - the component to save as image

format - a string describing the format. See http://docs.oracle.com/javase /7/docs/api/javax/imageio/package- summary.html#package_description for a list of available formats.

Throws:

IOException - in case of I/O Errors

setDefaultIcon

public static void setDefaultIcon(JFrame window,
                                  String imagepath)

Sets the icon for a window.

Parameters:

window - the target window

imagepath - the image which should be icon

warningMessage

public static void warningMessage(String title,
                                  String content)

Displays a warning message.

Parameters:

title - the title of the window

content - the content of the warning

getGraphicDevices

public static GraphicsDevice[] getGraphicDevices()

Returns:

an array with the current GraphicsDevice