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Added actionHandler, to support a simple listener/callback system. Updated Screen/Swing utils

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This commit is contained in:
nathan 2015-11-01 00:52:12 +01:00
parent 1ff2af769e
commit 719d47c293
3 changed files with 103 additions and 24 deletions
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6
Dorkbox-Util/src/dorkbox/util/ActionHandler.java Normal file
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@ -0,0 +1,6 @@
package dorkbox.util;
public
interface ActionHandler<T> {
void handle(T owner);
}

20
Dorkbox-Util/src/dorkbox/util/ScreenUtil.java
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@ -5,7 +5,6 @@ import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Point;
import java.awt.Rectangle;
import java.util.ArrayList;
/**
* Screen utilities
@ -27,27 +26,22 @@ class ScreenUtil {
public static
GraphicsDevice getGraphicsDeviceAt(Point pos) {
GraphicsDevice device;
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice lstGDs[] = ge.getScreenDevices();
GraphicsDevice screenDevices[] = ge.getScreenDevices();
ArrayList<GraphicsDevice> lstDevices = new ArrayList<GraphicsDevice>(lstGDs.length);
for (GraphicsDevice gd : lstGDs) {
GraphicsConfiguration gc = gd.getDefaultConfiguration();
GraphicsDevice device = null;
for (GraphicsDevice device1 : screenDevices) {
GraphicsConfiguration gc = device1.getDefaultConfiguration();
Rectangle screenBounds = gc.getBounds();
if (screenBounds.contains(pos)) {
lstDevices.add(gd);
device = device1;
break;
}
}
if (lstDevices.size() > 0) {
device = lstDevices.get(0);
}
else {
if (device == null) {
device = ge.getDefaultScreenDevice();
}

101
Dorkbox-Util/src/dorkbox/util/SwingUtil.java
View File

@ -15,16 +15,17 @@
*/
package dorkbox.util;
import javax.swing.JOptionPane;
import javax.swing.SwingUtilities;
import java.awt.Container;
import java.awt.EventQueue;
import java.awt.GraphicsDevice;
import java.awt.Image;
import java.awt.MouseInfo;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.*;
import java.awt.event.HierarchyEvent;
import java.awt.event.HierarchyListener;
import java.awt.event.WindowListener;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.net.URI;
import java.net.URISyntaxException;
public
class SwingUtil {
@ -32,8 +33,16 @@ class SwingUtil {
/** used when setting various icon components in the GUI to "nothing", since null doesn't work */
public static final Image BLANK_ICON = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB_PRE);
public static final Font FONT_BOLD_12 = new Font("Source Code Pro", Font.BOLD, 12);
public static final Font FONT_BOLD_14 = new Font("Source Code Pro", Font.BOLD, 14);
public static final Font FONT_BOLD_16 = new Font("Source Code Pro", Font.BOLD, 16);
public static final Font FONT_12 = new Font("Source Code Pro", Font.PLAIN, 12);
public static final Font FONT_14 = new Font("Source Code Pro", Font.PLAIN, 14);
public static
void showOnSameScreenAsMouseCenter(Container frame) {
void showOnSameScreenAsMouse_Center(final Container frame) {
Point mouseLocation = MouseInfo.getPointerInfo()
.getLocation();
@ -44,7 +53,7 @@ class SwingUtil {
}
public static
void showOnSameScreenAsMouse(Container frame) {
void showOnSameScreenAsMouse(final Container frame) {
Point mouseLocation = MouseInfo.getPointerInfo()
.getLocation();
@ -53,8 +62,78 @@ class SwingUtil {
.getBounds().x, frame.getY());
}
/**
* Adds a listener to the window parent of the given component. Can be before the component is really added to its hierarchy.
*
* @param source The source component
* @param listener The listener to add to the window
*/
public static
void invokeLater(Runnable runnable) {
void addWindowListener(final Component source, final WindowListener listener) {
if (source instanceof Window) {
((Window) source).addWindowListener(listener);
}
else {
source.addHierarchyListener(new HierarchyListener() {
@Override
public
void hierarchyChanged(HierarchyEvent e) {
if ((e.getChangeFlags() & HierarchyEvent.SHOWING_CHANGED) == HierarchyEvent.SHOWING_CHANGED) {
SwingUtilities.getWindowAncestor(source)
.addWindowListener(listener);
}
}
});
}
}
/**
* Centers a component according to the window location.
*
* @param window The parent window
* @param component A component, usually a dialog
*/
public static
void centerInWindow(final Window window, final Component component) {
Dimension size = window.getSize();
Point loc = window.getLocationOnScreen();
Dimension cmpSize = component.getSize();
loc.x += (size.width - cmpSize.width) / 2;
loc.y += (size.height - cmpSize.height) / 2;
component.setBounds(loc.x, loc.y, cmpSize.width, cmpSize.height);
}
/**
* Opens the given website in the default browser, or show a message saying that no default browser could be accessed.
*
* @param parent The parent of the error message, if raised
* @param uri The website uri
*/
public static
void browse(final Component parent, final String uri) {
boolean cannotBrowse = false;
if (Desktop.isDesktopSupported() && Desktop.getDesktop()
.isSupported(Desktop.Action.BROWSE)) {
try {
Desktop.getDesktop()
.browse(new URI(uri));
} catch (URISyntaxException ex) {
} catch (IOException ex) {
cannotBrowse = true;
}
}
else {
cannotBrowse = true;
}
if (cannotBrowse) {
JOptionPane.showMessageDialog(parent, "It seems that I can't open a website using your" + "default browser, sorry.");
}
}
public static
void invokeLater(final Runnable runnable) {
if (EventQueue.isDispatchThread()) {
runnable.run();
}
@ -64,7 +143,7 @@ class SwingUtil {
}
public static
void invokeAndWait(Runnable runnable) {
void invokeAndWait(final Runnable runnable) {
if (EventQueue.isDispatchThread()) {
runnable.run();
}