Java Code Examples for org.eclipse.swt.widgets.Label#setBackground()

/**
 * Tell the user that the pipeline is not running or that there is no monitoring configured.
 */
private void showEmptyGraph() {
  if ( perfComposite.isDisposed() ) {
    return;
  }

  emptyGraph = true;

  Label label = new Label( perfComposite, SWT.CENTER );
  label.setText( BaseMessages.getString( PKG, "PipelineLog.Dialog.PerformanceMonitoringNotEnabled.Message" ) );
  label.setBackground( perfComposite.getBackground() );
  label.setFont( GuiResource.getInstance().getFontMedium() );

  FormData fdLabel = new FormData();
  fdLabel.left = new FormAttachment( 5, 0 );
  fdLabel.right = new FormAttachment( 95, 0 );
  fdLabel.top = new FormAttachment( 5, 0 );
  label.setLayoutData( fdLabel );

  Button button = new Button( perfComposite, SWT.CENTER );
  button.setText( BaseMessages.getString( PKG, "PipelineLog.Dialog.PerformanceMonitoring.Button" ) );
  button.setBackground( perfComposite.getBackground() );
  button.setFont( GuiResource.getInstance().getFontMedium() );

  button.addSelectionListener( new SelectionAdapter() {
    public void widgetSelected( SelectionEvent event ) {
      pipelineGraph.editProperties( pipelineGraph.getPipelineMeta(), hopGui, true, PipelineDialog.Tabs.MONITOR_TAB );
    }
  } );

  FormData fdButton = new FormData();
  fdButton.left = new FormAttachment( 40, 0 );
  fdButton.right = new FormAttachment( 60, 0 );
  fdButton.top = new FormAttachment( label, 5 );
  button.setLayoutData( fdButton );

  perfComposite.layout( true, true );
}
 

private Label createLabel(Composite parent, String text) {
	Label label= new Label(parent, SWT.WRAP);
	if (text != null)
		label.setText(text);
	label.setBackground(fBackgroundColor);
	label.setForeground(fForegroundColor);
	GridData gd= new GridData(SWT.FILL, SWT.FILL, true, false);
	label.setLayoutData(gd);
	return label;
}
 

/**
 * Create the event control's layout
 */
private void initialize() {
	setBackground(BACKGROUND_COLOR);
       label = new Label(this, SWT.WRAP);
       label.setText("Label");
       label.setBackground(BACKGROUND_COLOR);
       FillLayout fillLayout = new FillLayout();
       fillLayout.marginHeight = MARGIN;
       fillLayout.marginWidth = MARGIN;
       setBackground(BORDER_COLOR);
       setLayout(fillLayout);
       addPaintListener(paintListener);
       label.addMouseListener(labelMouseListener);
}
 

private Label createHeadingLabel( Composite parent, String text )
{
	Label label = new Label( parent, SWT.NONE );
	if ( text != null )
		label.setText( text );
	label.setBackground( fBackgroundColor );
	label.setForeground( fForegroundColor );
	label.setFont( JFaceResources.getBannerFont( ) );

	return label;
}
 

private Label createTitleLabel(Composite parent, String text) {
	Label label = new Label(parent, SWT.NONE);
	if (text != null)
		label.setText(text);
	label.setBackground(fBackgroundColor);
	label.setForeground(fForegroundColor);
	label.setFont(JFaceResources.getHeaderFont());
	fHeaderLabels.add(label);
	return label;
}
 

public FormatSpecifierPreview( Composite parent, int style,
		boolean isInEditor )
{
	super( parent, style );
	this.isInEditor = isInEditor;

	setLayout( new FillLayout( ) );
	lblPreview = new Label( this, SWT.NONE );
	lblPreview.setBackground( parent.getBackground( ) );
}
 

private Label label(final Composite c, final int horizontalAlign) {
	final Label l = new Label(c, SWT.None);
	l.setForeground(IGamaColors.WHITE.color());
	l.setBackground(IGamaColors.BLACK.color());
	l.setText(" ");
	l.setLayoutData(infoData(horizontalAlign));
	l.addMouseListener(toggleListener);
	return l;
}
 

public ImageViewer( Composite parent ) {
  scrolledComposite = new ScrolledComposite( parent, SWT.H_SCROLL | SWT.V_SCROLL );
  scrolledComposite.setBackground( getBackgroundColor() );
  imageLabel = new Label( scrolledComposite, SWT.NONE );
  imageLabel.setBackground( getBackgroundColor() );
  scrolledComposite.setContent( imageLabel );
  scrolledComposite.addListener( SWT.Dispose, this::handleDispose );
}
 

static public Label createIndentedLabel(Composite parent, String labelText, int width, int indentAmt) {
    Label newLabel = new Label(parent, SWT.NONE);
    newLabel.setText(labelText);
    GridData ourGD = new GridData(SWT.BEGINNING, SWT.CENTER, false, false, width, 1);
    if (indentAmt != 0)
        ourGD.horizontalIndent = indentAmt;
    newLabel.setLayoutData(ourGD);
    newLabel.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_LIST_BACKGROUND));
    return newLabel;
}
 

/**
 * @return a SWT label
 */
private Label createLabel() {
	final Label label = new Label(this, SWT.NONE);
	label.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, false, false));
	label.setFont(getFont());
	label.setForeground(getForeground());
	label.setBackground(getBackground());
	return label;
}
 

protected Label createItemLabel(final Composite composite, final Color backgroundColor, final String text) {
    final Composite labelContainer = new Composite(composite, SWT.NONE);
    GridDataFactory.fillDefaults().hint(LABEL_WIDTH, SWT.DEFAULT).applyTo(labelContainer);
    final GridLayout layout = new GridLayout(1, true);
    layout.marginWidth = 0;
    layout.marginHeight = 0;
    labelContainer.setLayout(layout);
    labelContainer.setBackground(backgroundColor);
    layout.marginBottom = 0;
    final Label label = new Label(labelContainer, SWT.CENTER);
    GridDataFactory.fillDefaults().grab(true, false).align(SWT.CENTER, SWT.CENTER).applyTo(label);
    label.setText(text);
    label.setBackground(backgroundColor);
    return label;
}
 

public TreeToolbar( Composite composite, int i ) {
  super( composite, i );

  FormLayout formLayout = new FormLayout();
  formLayout.marginWidth = 0;
  formLayout.marginHeight = 0;
  formLayout.marginTop = 0;
  formLayout.marginBottom = 0;

  this.setLayout( formLayout );

  Label sep3 = new Label( this, SWT.SEPARATOR | SWT.HORIZONTAL );
  sep3.setBackground( GUIResource.getInstance().getColorWhite() );
  FormData fdSep3 = new FormData();
  fdSep3.left = new FormAttachment( 0, 0 );
  fdSep3.right = new FormAttachment( 100, 0 );
  fdSep3.top = new FormAttachment( 0 );
  sep3.setLayoutData( fdSep3 );

  ToolBar treeTb = new ToolBar( this, SWT.HORIZONTAL | SWT.FLAT );
  props.setLook( treeTb, Props.WIDGET_STYLE_TOOLBAR );
  /*
  This contains a map with all the unnamed transformation (just a filename)
 */
  expandAll = new ToolItem( treeTb, SWT.PUSH );
  expandAll.setImage( GUIResource.getInstance().getImageExpandAll() );
  collapseAll = new ToolItem( treeTb, SWT.PUSH );
  collapseAll.setImage( GUIResource.getInstance().getImageCollapseAll() );

  FormData fdTreeToolbar = new FormData();
  if ( Const.isLinux() ) {
    fdTreeToolbar.top = new FormAttachment( sep3, 3 );
  } else {
    fdTreeToolbar.top = new FormAttachment( sep3, 5 );
  }
  fdTreeToolbar.right = new FormAttachment( 100, -10 );
  treeTb.setLayoutData( fdTreeToolbar );

  ToolBar selectionFilterTb = new ToolBar( this, SWT.HORIZONTAL | SWT.FLAT );
  props.setLook( selectionFilterTb, Props.WIDGET_STYLE_TOOLBAR );

  ToolItem clearSelectionFilter = new ToolItem( selectionFilterTb, SWT.PUSH );
  clearSelectionFilter.setImage( GUIResource.getInstance().getImageClearText() );
  clearSelectionFilter.setDisabledImage( GUIResource.getInstance().getImageClearTextDisabled() );

  FormData fdSelectionFilterToolbar = new FormData();
  if ( Const.isLinux() ) {
    fdSelectionFilterToolbar.top = new FormAttachment( sep3, 3 );
  } else {
    fdSelectionFilterToolbar.top = new FormAttachment( sep3, 5 );
  }
  fdSelectionFilterToolbar.right = new FormAttachment( treeTb, -20 );
  selectionFilterTb.setLayoutData( fdSelectionFilterToolbar );

  selectionFilter = new Text( this, SWT.SINGLE | SWT.BORDER | SWT.LEFT | SWT.SEARCH );
  FormData fdSelectionFilter = new FormData();
  int offset = -( GUIResource.getInstance().getImageClearTextDisabled().getBounds().height + 6 );
  if ( Const.isLinux() ) {
    offset = -( GUIResource.getInstance().getImageClearTextDisabled().getBounds().height + 13 );
  }

  fdSelectionFilter.top = new FormAttachment( selectionFilterTb, offset );
  fdSelectionFilter.right = new FormAttachment( selectionFilterTb, 0 );
  fdSelectionFilter.left = new FormAttachment( 0, 10 );
  selectionFilter.setLayoutData( fdSelectionFilter );

  clearSelectionFilter.addSelectionListener( new SelectionAdapter() {
    @Override
    public void widgetSelected( SelectionEvent event ) {
      selectionFilter.setText( "" );
    }
  } );

  clearSelectionFilter.setEnabled( !Utils.isEmpty( selectionFilter.getText() ) );

  selectionFilter.addModifyListener( modifyEvent -> {
    clearSelectionFilter.setEnabled( !Utils.isEmpty( selectionFilter.getText() ) );
  } );

  Label sep4 = new Label( this, SWT.SEPARATOR | SWT.HORIZONTAL );
  sep4.setBackground( GUIResource.getInstance().getColorWhite() );
  FormData fdSep4 = new FormData();
  fdSep4.left = new FormAttachment( 0, 0 );
  fdSep4.right = new FormAttachment( 100, 0 );
  fdSep4.top = new FormAttachment( treeTb, 5 );
  sep4.setLayoutData( fdSep4 );
}
 

private static void createCloseChipsArea() {
	final Label lbl = new Label(shell, SWT.CENTER);
	lbl.setText("Close chips (Eclipse Fundation Members)");
	lbl.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));
	final Composite cmp = new Composite(shell, SWT.NONE);
	cmp.setLayoutData(new GridData(GridData.CENTER, GridData.FILL, false, false));
	cmp.setLayout(new GridLayout(4, false));
	cmp.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));

	final Color bgColor = SWTGraphicUtil.getColorSafely(224, 224, 244);

	final Chips chip1 = new Chips(cmp, SWT.CLOSE);
	chip1.setForeground(shell.getDisplay().getSystemColor(SWT.COLOR_BLACK));
	chip1.setChipsBackground(bgColor);
	chip1.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));
	chip1.setText("IBM");

	final Chips chip2 = new Chips(cmp, SWT.CLOSE);
	chip2.setForeground(shell.getDisplay().getSystemColor(SWT.COLOR_BLACK));
	chip2.setChipsBackground(bgColor);
	chip2.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));
	chip2.setText("Red Hat");

	final Chips chip3 = new Chips(cmp, SWT.CLOSE);
	chip3.setForeground(shell.getDisplay().getSystemColor(SWT.COLOR_BLACK));
	chip3.setChipsBackground(bgColor);
	chip3.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));
	chip3.setText("Remain Software");

	final Chips chip4 = new Chips(cmp, SWT.CLOSE);
	chip4.setForeground(shell.getDisplay().getSystemColor(SWT.COLOR_BLACK));
	chip4.setChipsBackground(bgColor);
	chip4.setBackground(shell.getDisplay().getSystemColor(SWT.COLOR_WHITE));
	chip4.setText("Vogella");

	final CloseListener closeListener = event -> {
		final Chips chip = (Chips) event.widget;
		System.out.println("Closed on " + chip.getText());
		chip.dispose();
		cmp.layout(true);
	};

	chip1.addCloseListener(closeListener);
	chip2.addCloseListener(closeListener);
	chip3.addCloseListener(closeListener);
	chip4.addCloseListener(closeListener);
}
 

public static void main(final String[] args) {
	final Display display = new Display();
	final Shell shell = new Shell(display);
	shell.setLayout(new GridLayout(1, false));
	final Color white = display.getSystemColor(SWT.COLOR_WHITE);
	shell.setBackground(white);
	shell.setText("Password Revealer Snippet");

	final Image image = new Image(display, PasswordRevealerSnippet.class.getResourceAsStream("eye.png"));
	final Image clickImage = new Image(display, PasswordRevealerSnippet.class.getResourceAsStream("eye-slash.png"));
	shell.addListener(SWT.Dispose, e -> {
		image.dispose();
		clickImage.dispose();
	});

	final Label lbl1 = new Label(shell, SWT.NONE);
	lbl1.setText("Password Revealer:");
	final GridData gdLabel1 = new GridData(GridData.BEGINNING, GridData.CENTER, true, false);
	gdLabel1.widthHint = 150;
	lbl1.setBackground(white);
	lbl1.setLayoutData(gdLabel1);

	final PasswordRevealer revealer = new PasswordRevealer(shell, SWT.NONE);
	final GridData gd = new GridData(GridData.FILL, GridData.CENTER, true, false);
	gd.widthHint = 250;
	revealer.setLayoutData(gd);
	revealer.setBackground(white);

	new Label(shell, SWT.NONE);

	final Label lbl2 = new Label(shell, SWT.NONE);
	lbl2.setText("Password Revealer with other icon:");
	final GridData gdLabel2 = new GridData(GridData.FILL, GridData.CENTER, true, false);
	gdLabel2.widthHint = 150;
	lbl2.setBackground(white);
	lbl2.setLayoutData(gdLabel2);

	final PasswordRevealer revealer2 = new PasswordRevealer(shell, SWT.NONE);
	final GridData gd2 = new GridData(GridData.FILL, GridData.CENTER, true, false);
	gd2.widthHint = 250;
	revealer2.setLayoutData(gd2);
	revealer2.setBackground(white);
	revealer2.setImage(image);
	revealer2.setClickImage(clickImage);

	shell.pack();
	shell.open();

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

private static void createButtons(final String text, int color, int location) {
	final Label label = new Label(shell, SWT.NONE);
	label.setBackground(label.getDisplay().getSystemColor(SWT.COLOR_WHITE));
	String locationText;
	if (location == (SWT.BOTTOM | SWT.LEFT)) {
		locationText = "Bottom left";
	} else if (location == (SWT.BOTTOM | SWT.RIGHT)) {
		locationText = "Bottom right";
	} else if (location == (SWT.TOP | SWT.LEFT)) {
		locationText = "Top left";
	} else {
		locationText = "Top right";
	}

	label.setText(text + " " + locationText);
	label.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));

	final BadgedLabel button1 = new BadgedLabel(shell, location);
	button1.setText("Notification");
	final GridData gd = new GridData(GridData.FILL, GridData.CENTER, false, false);
	gd.widthHint = 200;
	gd.heightHint = 100;
	button1.setLayoutData(gd);
	button1.setBadgeValue("1");
	button1.setPredefinedColor(color);
	button1.setBackground(label.getDisplay().getSystemColor(SWT.COLOR_WHITE));

	final BadgedLabel button2 = new BadgedLabel(shell, location);
	button2.setText("Text & image");
	button2.setImage(icon);
	button2.setLayoutData(new GridData(GridData.FILL, GridData.CENTER, false, false));
	button2.setPredefinedColor(color);
	button2.setBadgeValue("2");
	button2.setBackground(label.getDisplay().getSystemColor(SWT.COLOR_WHITE));

	final BadgedLabel button3 = new BadgedLabel(shell, location);
	button3.setImage(icon);
	button3.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false));
	button3.setPredefinedColor(color);
	button3.setBadgeValue("99+");
	button3.setBackground(label.getDisplay().getSystemColor(SWT.COLOR_WHITE));

	final BadgedLabel button4 = new BadgedLabel(shell, location);
	button4.setText("Disabled");
	button4.setEnabled(false);
	button4.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false));
	button4.setPredefinedColor(color);
	button4.setBadgeValue("New");
	button4.setBackground(label.getDisplay().getSystemColor(SWT.COLOR_WHITE));
}
 

private void initComponents( )
{
	hour = new SpinnerTimeText( this,
			SWT.NONE,
			24,
			IPropertyEventConstants.HOUR_CHANGE_EVENT );
	firstLabel = new Label( this, SWT.NONE );
	min = new SpinnerTimeText( this,
			SWT.NONE,
			60,
			IPropertyEventConstants.MIN_CHANGE_EVENT );
	lastLabel = new Label( this, SWT.NONE );
	sec = new SpinnerTimeText( this,
			SWT.NONE,
			60,
			IPropertyEventConstants.SECOND_CHANGE_EVENT );

	//		Font font = new Font( Display.getCurrent( ), "Dialog", 10, SWT.BOLD
	// ); //$NON-NLS-1$
	Font font = FontManager.getFont( "Dialog", 10, SWT.BOLD ); //$NON-NLS-1$

	firstLabel.setBackground( Display.getCurrent( )
			.getSystemColor( SWT.COLOR_WHITE ) );
	lastLabel.setBackground( Display.getCurrent( )
			.getSystemColor( SWT.COLOR_WHITE ) );
	firstLabel.setFont( font );
	lastLabel.setFont( font );

	firstLabel.setForeground( Display.getCurrent( )
			.getSystemColor( SWT.COLOR_BLACK ) );
	lastLabel.setForeground( Display.getCurrent( )
			.getSystemColor( SWT.COLOR_BLACK ) );

	firstLabel.setText( ":" ); //$NON-NLS-1$
	lastLabel.setText( ":" ); //$NON-NLS-1$

	up = new Button( this, SWT.ARROW | SWT.UP );
	down = new Button( this, SWT.ARROW | SWT.DOWN );
	label = new Label( this, SWT.NONE );

	label.setBackground( Display.getCurrent( )
			.getSystemColor( SWT.COLOR_WHITE ) );

	//added by gao 2004.07.08
	//font.dispose( );
}
 

protected void createLeftLabel(Composite composite, String text) {
	final Label lbl = new Label(composite, SWT.NONE);
	lbl.setText(text);
	lbl.setBackground(composite.getDisplay().getSystemColor(SWT.COLOR_WHITE));
	lbl.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));
}
 

public DecoratedStringChooser(Composite parent, final Settings cfg,
	final DecoratedString[] strings){
	super(parent, SWT.BORDER);
	
	int num = strings.length;
	int typRows = ((int) Math.sqrt(num));
	int typCols = typRows + (num - (typRows * typRows));
	if (typCols < 4) {
		typCols = 4;
	}
	setLayout(new GridLayout(typCols, true));
	Label expl = new Label(this, SWT.WRAP);
	expl.setText(Messages.DecoratedStringChooser_howToChange); //$NON-NLS-1$
	expl.setLayoutData(SWTHelper.getFillGridData(typCols, false, 1, false));
	for (int i = 0; i < num; i++) {
		Label lab = new Label(this, SWT.NONE);
		lab.setText(strings[i].getText());
		lab.setData(strings[i].getValue());
		
		String coldesc;
		if(strings[i].getValue() != null) {
			coldesc = cfg.get(strings[i].getValue(), "FFFFFF"); //$NON-NLS-1$
		} else {
			coldesc = cfg.get(strings[i].getText(), "FFFFFF"); //$NON-NLS-1$
		}

		Color background = UiDesk.getColorFromRGB(coldesc);
		lab.setBackground(background);
		GridData gd = new GridData(GridData.FILL_BOTH);
		lab.setLayoutData(gd);
		lab.addMouseListener(new MouseAdapter() {
			
			@Override
			public void mouseDoubleClick(MouseEvent e){
				ColorDialog cd = new ColorDialog(getShell());
				Label l = (Label) e.getSource();
				RGB selected = cd.open();
				if (selected != null) {
					String symbolic = UiDesk.createColor(selected);
					l.setBackground(UiDesk.getColorFromRGB(symbolic));
					if(l.getData() != null) {
						cfg.set((String) l.getData(), symbolic);
					} else {
						cfg.set(l.getText(), symbolic);
					}
				}
			}
			
		});
	}
}
 

private Label filler(Composite parent) {
	Label f = new Label(parent, SWT.NONE);
	f.setBackground(Colors.white());
	return f;
}
 

/**
 * Creates the controls used to show the value of this cell editor.
 * <p>
 * The default implementation of this framework method creates a label
 * widget, using the same font and background color as the parent control.
 * </p>
 * <p>
 * Subclasses may reimplement. If you reimplement this method, you should
 * also reimplement <code>updateContents</code>.
 * </p>
 * 
 * @param cell
 *            the control for this cell editor
 * @return the underlying control
 */
protected Control createContents(Composite cell) {
	defaultLabel = new Label(cell, SWT.LEFT);
	defaultLabel.setFont(cell.getFont());
	defaultLabel.setBackground(cell.getBackground());
	return defaultLabel;
}