Java Code Examples for org.eclipse.swt.widgets.Display#getDefault()

public static void aquireAndRun(Identifiable identifiable, ILockHandler handler){
	Display display = Display.getDefault();
	display.syncExec(new Runnable() {
		
		@Override
		public void run(){
			ProgressMonitorDialog progress =
				new ProgressMonitorDialog(display.getActiveShell());
			try {
				progress.run(true, true, new AcquireLockRunnable(identifiable, handler));
			} catch (InvocationTargetException | InterruptedException e) {
				logger.warn("Exception during acquire lock.", e);
			}
		}
	});
}
 

public Image getImage(Object element) {		
	if (element instanceof Language) {
		Language lang = (Language) element;
		String code = lang.getCode();
		String imagePath = lang.getImagePath();
		if (imagePath != null && !imagePath.equals("")) {				
			ImageDescriptor imageDesc = Activator.getImageDescriptor(imagePath);
			if (imageDesc != null) {
				ImageData data = imageDesc.getImageData().scaledTo(16, 12);
				Image image = new Image(Display.getDefault(), data);
				
				// 销毁原来的图片
				Image im = imageCache.put(code, image);
				if (im != null && !im.isDisposed()) {
					im.dispose();
				}
				return image;
			}
		}
	}
	return null;
}
 

public static void aquireAndRun(Identifiable identifiable, ILockHandler lockhandler){
	Display display = Display.getDefault();
	LockResponse result = LocalLockServiceHolder.get().acquireLock(identifiable);
	if (result.isOk()) {
		
		display.syncExec(new Runnable() {
			@Override
			public void run(){
				lockhandler.lockAcquired();
			}
		});
		LocalLockServiceHolder.get().releaseLock(identifiable);
	} else {
		
		display.syncExec(new Runnable() {
			@Override
			public void run(){
				lockhandler.lockFailed();
				LockResponseHelper.showInfo(result, identifiable, logger);
			}
		});
	}
}
 

void initializeColors(){
   Display display = Display.getDefault();
   colors = new Color[] { new Color(display, new RGB(0, 0, 0)), // black
         new Color(display, new RGB(0, 153, 0)), // comment
         new Color(display, new RGB(153, 0, 0)), // string
         new Color(display, new RGB(0, 51, 255)) // reserved words
   };
   tokenColors = new int[MAXIMUM_TOKEN];
   tokenColors[WORD] = 0;
   tokenColors[WHITE] = 0;
   tokenColors[KEY_WORD] = 3;
   tokenColors[COMMENT] = 1;
   tokenColors[STRING] = 2;
   tokenColors[OTHER] = 0;
   tokenColors[NUMBER] = 0;
}
 

/**
 * Returns the standard display to be used. The method first checks, if
 * the thread calling this method has an associated display. If so, this
 * display is returned. Otherwise the method returns the default display.
 */
public static Display getStandardDisplay() {
	Display display= Display.getCurrent();
	if (display == null) {
		display= Display.getDefault();
	}
	return display;		
}
 

/**
 * @param text
 * @return the width of text
 */
public static int computeWidth(final String text) {
	final GC gc = new GC(Display.getDefault());
	final int width = gc.textExtent(text).x;
	gc.dispose();
	return width;
}
 

protected static Clipboard getClipboard()
{
	Display display = Display.getCurrent();
	if (display == null)
	{
		display = Display.getDefault();
	}
	return new Clipboard(display);
}
 

public static void main(String[] args) {
	final Display display = Display.getDefault();
	Realm.runWithDefault(SWTObservables.getRealm(display), 
		new Runnable() {
			public void run() {
				NumberFormatterDataBindingSnippet snippet = new NumberFormatterDataBindingSnippet();
				Shell shell = snippet.createShell();
		    shell.open();
		    while ( ! shell.isDisposed() ) {
		    	if (!display.readAndDispatch()) display.sleep();
		    }
			}
	});
}
 

/**
 * Returns the standard display to be used. The method first checks, if the thread calling this method has an
 * associated disaply. If so, this display is returned. Otherwise the method returns the default display.
 */
public static Display getStandardDisplay()
{
	Display display = UIUtils.getDisplay();
	if (display == null)
	{
		display = Display.getCurrent();
	}
	if (display == null)
	{
		display = Display.getDefault();
	}
	return display;
}
 

/**
 * main() method for constructing the layout.
 * 
 * @param args
 */
public static void main( String[] args )
{
	Display display = Display.getDefault( );
	Shell shell = new Shell( display );
	shell.setSize( 600, 400 );
	shell.setLayout( new GridLayout( ) );

	Regression_78699_swt siv = new Regression_78699_swt(
			shell,
			SWT.NO_BACKGROUND );
	siv.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	siv.addPaintListener( siv );

	Composite cBottom = new Composite( shell, SWT.NONE );
	cBottom.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
	cBottom.setLayout( new RowLayout( ) );

	Label la = new Label( cBottom, SWT.NONE );

	la.setText( "Choose: " );//$NON-NLS-1$
	cbType = new Combo( cBottom, SWT.DROP_DOWN | SWT.READ_ONLY );
	cbType.add( "Bar Chart" );
	cbType.select( 0 );

	btn = new Button( cBottom, SWT.NONE );
	btn.setText( "Update" );//$NON-NLS-1$
	btn.addSelectionListener( siv );

	shell.open( );
	while ( !shell.isDisposed( ) )
	{
		if ( !display.readAndDispatch( ) )
			display.sleep( );
	}
	display.dispose( );
}
 

private void createColors() {
	if (dropShadowsSize > 0) {
		int step = 125 / dropShadowsSize;
		// Create new colors
		for (int i = dropShadowsSize - 1; i >= 0; i--) {
			int value = 255 - i * step;
			Color c = new Color(Display.getDefault(), value, value, value);
			dropShadowsColors.add(c);
		}
	}
}
 

private TextStyle createResultsStyle() {
	background = new Color(Display.getCurrent(), 0x19, 0x19, 0x70);
	foreground = new Color(Display.getCurrent(), 0xff, 0xff, 0xff);
	FontData fontData = JFaceResources.getDefaultFont().getFontData()[0];
	fontData.setStyle(fontData.getStyle());
	rsFont = new Font(Display.getDefault(), fontData);
	TextStyle style = new TextStyle(rsFont, foreground, background);
	return style;
}
 

/**
 * main() method for constructing the layout.
 * 
 * @param args
 */
public static void main( String[] args )
{
	Display display = Display.getDefault( );
	Shell shell = new Shell( display );
	shell.setSize( 600, 400 );
	shell.setLayout( new GridLayout( ) );

	SWTHighlightViewer siv = new SWTHighlightViewer(
			shell,
			SWT.NO_BACKGROUND );
	siv.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	siv.addPaintListener( siv );

	Composite cBottom = new Composite( shell, SWT.NONE );
	cBottom.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ) );
	cBottom.setLayout( new RowLayout( ) );

	Label la = new Label( cBottom, SWT.NONE );

	la.setText( "Choose: " );//$NON-NLS-1$
	cbType = new Combo( cBottom, SWT.DROP_DOWN | SWT.READ_ONLY );
	cbType.add( "Area Chart" ); //$NON-NLS-1$
	cbType.add( "Bar Chart" ); //$NON-NLS-1$
	cbType.add( "Line Chart" );//$NON-NLS-1$
	cbType.add( "Meter Chart" );//$NON-NLS-1$
	cbType.add( "Pie Chart" );//$NON-NLS-1$
	cbType.add( "Scatter Chart" );//$NON-NLS-1$
	cbType.add( "Stock Chart" );//$NON-NLS-1$
	cbType.select( 0 );

	btn = new Button( cBottom, SWT.NONE );
	btn.setText( "Update" );//$NON-NLS-1$
	btn.addSelectionListener( siv );

	shell.open( );
	while ( !shell.isDisposed( ) )
	{
		if ( !display.readAndDispatch( ) )
			display.sleep( );
	}
	display.dispose( );
}
 

public TerminologyViewPart() {
	JFaceResources.getFontRegistry().addListener(fontChangeListener);
	selectedBgColor = new Color(Display.getDefault(), 210, 210, 240);
	tipLabelImage = Activator.getImageDescriptor("images/status/Loading.png").createImage();
}
 

/**
 * Restores the code assist pop-up's size.
 * 
 * @return the stored size
 * @since 3.0
 */
protected Point restoreCompletionProposalPopupSize()
{
	if (fDialogSettings == null)
	{
		return null;
	}

	Point size = new Point(-1, -1);

	try
	{
		size.x = fDialogSettings.getInt(STORE_SIZE_X);
		size.y = fDialogSettings.getInt(STORE_SIZE_Y);
	}
	catch (NumberFormatException ex)
	{
		size.x = -1;
		size.y = -1;
	}

	// sanity check
	if (size.x == -1 && size.y == -1)
	{
		return null;
	}

	Rectangle maxBounds = null;
	if (fContentAssistSubjectControl != null && !fContentAssistSubjectControl.getControl().isDisposed())
	{
		maxBounds = fContentAssistSubjectControl.getControl().getDisplay().getBounds();
	}
	else
	{
		// fallback
		Display display = Display.getCurrent();
		if (display == null)
		{
			display = Display.getDefault();
		}
		if (display != null && !display.isDisposed())
		{
			maxBounds = display.getBounds();
		}
	}

	if (size.x > -1 && size.y > -1)
	{
		if (maxBounds != null)
		{
			size.x = Math.min(size.x, maxBounds.width);
			size.y = Math.min(size.y, maxBounds.height);
		}

		// Enforce an absolute minimal size
		size.x = Math.max(size.x, 30);
		size.y = Math.max(size.y, 30);
	}

	return size;
}
 

@Override
public IColor createColor(int r, int g, int b) {
    return new ColorImpl(Display.getDefault(), r, g, b);
}
 

public static void main( String args[] )
{
	display = Display.getDefault( );
	Shell shell = new Shell( display );
	shell.setLocation( display.getClientArea( ).width / 2 - 110, display
			.getClientArea( ).height / 2 - 40 );
	shell.setSize( 620, 450 );
	shell.setLayout( new GridLayout( ) );

	Regression_132620_svg siv = new Regression_132620_svg( shell, SWT.NONE );
	GridData gd = new GridData( GridData.BEGINNING );
	gd.widthHint = 1;
	gd.heightHint = 1;
	siv.setLayoutData( gd );

	try
	{
		RunTimeContext rtc = new RunTimeContext( );
		rtc.setULocale( ULocale.getDefault( ) );

		IDeviceRenderer idr = null;
		Chart cm = toggleVisibility_BarChart( );

		idr = PluginSettings.instance( ).getDevice( "dv.SVG" ); //$NON-NLS-1$
		Generator gr = Generator.instance( );
		GeneratedChartState gcs = null;
		Bounds bo = BoundsImpl.create( 0, 0, 450, 300 );
		gcs = gr.build( idr.getDisplayServer( ), cm, bo, null, rtc, null );

		idr.setProperty( IDeviceRenderer.FILE_IDENTIFIER, "c:/test.svg" ); //$NON-NLS-1$
		idr.setProperty(
				IDeviceRenderer.UPDATE_NOTIFIER,
				new EmptyUpdateNotifier( cm, gcs.getChartModel( ) ) );

		gr.render( idr, gcs );
	}

	catch ( ChartException ce )
	{
		ce.printStackTrace( );
	}

	Browser br = new Browser( shell, SWT.NONE );
	br.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	br.setUrl( "c:/test.svg" );//$NON-NLS-1$		
	br.setVisible( true );

	shell.open( );
	while ( !shell.isDisposed( ) )
	{
		if ( !display.readAndDispatch( ) )
			display.sleep( );
	}
	display.dispose( );
}
 

public void testCreateLaunchAndDebugGoogleAppProject() throws Exception {

        final Display display = Display.getDefault();
        final Boolean[] executed = new Boolean[] { false };
        display.syncExec(new Runnable() {

            @Override
            public void run() {
                final Shell shell = new Shell(display);
                shell.setLayout(new FillLayout());
                Composite pageContainer = new Composite(shell, 0);
                AppEngineWizard appEngineWizard = new AppEngineWizard();
                appEngineWizard.setContainer(new IWizardContainer() {

                    @Override
                    public void run(boolean fork, boolean cancelable, IRunnableWithProgress runnable)
                            throws InvocationTargetException, InterruptedException {
                        runnable.run(new NullProgressMonitor());
                    }

                    @Override
                    public void updateWindowTitle() {
                        throw new RuntimeException("Not implemented");
                    }

                    @Override
                    public void updateTitleBar() {
                        throw new RuntimeException("Not implemented");
                    }

                    @Override
                    public void updateMessage() {
                        throw new RuntimeException("Not implemented");
                    }

                    @Override
                    public void updateButtons() {
                        throw new RuntimeException("Not implemented");
                    }

                    @Override
                    public void showPage(IWizardPage page) {
                        throw new RuntimeException("Not implemented");
                    }

                    @Override
                    public Shell getShell() {
                        throw new RuntimeException("Not implemented");
                    }

                    @Override
                    public IWizardPage getCurrentPage() {
                        return null;
                    }
                });

                appEngineWizard.init(PlatformUI.getWorkbench(), new StructuredSelection());
                appEngineWizard.addPages();
                appEngineWizard.createPageControls(pageContainer);

                IWizardPage[] pages = appEngineWizard.getPages();
                NewProjectNameAndLocationWizardPage nameAndLocation = (NewProjectNameAndLocationWizardPage) pages[0];
                AppEngineConfigWizardPage appEnginePage = (AppEngineConfigWizardPage) pages[1];

                assertFalse(nameAndLocation.isPageComplete());
                nameAndLocation.setProjectName("AppEngineTest");
                assertTrue(nameAndLocation.isPageComplete());

                assertFalse(appEnginePage.isPageComplete());
                appEnginePage.setAppEngineLocationFieldValue(TestDependent.GOOGLE_APP_ENGINE_LOCATION
                        + "invalid_path_xxx");
                assertFalse(appEnginePage.isPageComplete());
                appEnginePage.setAppEngineLocationFieldValue(TestDependent.GOOGLE_APP_ENGINE_LOCATION);
                assertTrue(appEnginePage.isPageComplete());

                assertTrue(appEngineWizard.performFinish());

                IProject createdProject = appEngineWizard.getCreatedProject();
                PythonNature nature = PythonNature.getPythonNature(createdProject);
                Map<String, String> expected = new HashMap<String, String>();
                expected.put(AppEngineConstants.GOOGLE_APP_ENGINE_VARIABLE, new File(
                        TestDependent.GOOGLE_APP_ENGINE_LOCATION).getAbsolutePath());
                IPythonPathNature pythonPathNature = nature.getPythonPathNature();
                try {
                    assertEquals(expected, pythonPathNature.getVariableSubstitution());

                    String projectExternalSourcePath = pythonPathNature.getProjectExternalSourcePath(false);
                    assertTrue(projectExternalSourcePath.indexOf(AppEngineConstants.GOOGLE_APP_ENGINE_VARIABLE) != -1);
                    projectExternalSourcePath = pythonPathNature.getProjectExternalSourcePath(true);
                    assertTrue(projectExternalSourcePath.indexOf(AppEngineConstants.GOOGLE_APP_ENGINE_VARIABLE) == -1);
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }

                //                goToManual();

                executed[0] = true;
            }
        });
        assertTrue(executed[0]);
    }
 

private static Font getTagFont() {
	return new Font(Display.getDefault(), "Arial", 8, SWT.BOLD);
}
 

public Clock(Composite parent) {
	super(parent, SWT.NONE);
	font = new Font(Display.getDefault(), new FontData(FONT, FONT_SIZE, SWT.NORMAL));
	createContents();
	updateTimestamp(0);
}