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

/**
 * Creates the status and close section of the dialog.
 * @param parent
 *            the parent composite
 * @return the status and close button
 */
private Composite createStatusAndCloseButton(Composite parent) {
	statusLabel = new Label(parent, SWT.LEFT);
	statusLabel.setForeground(statusLabel.getDisplay().getSystemColor(SWT.COLOR_RED));
	GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(statusLabel);

	Composite panel = new Composite(parent, SWT.NULL);
	GridLayout layout = new GridLayout(0, false);
	layout.marginWidth = 0;
	layout.marginHeight = 0;
	panel.setLayout(layout);
	panel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	Button closeButton = createButton(panel, IDialogConstants.CLOSE_ID, IDialogConstants.CLOSE_LABEL, false);
	GridDataFactory.fillDefaults().align(SWT.RIGHT, SWT.BOTTOM).grab(true, false).hint(90, SWT.DEFAULT)
			.applyTo(closeButton);

	return parent;
}
 

/**
 * @see org.eclipse.swt.events.MouseListener#mouseDown(org.eclipse.swt.events.MouseEvent)
 */
@Override
public void mouseDown(MouseEvent e) {
  Control theControl = (Control) e.widget;

  Display display = theControl.getDisplay();
  Shell tip = new Shell(theControl.getShell(), SWT.ON_TOP | SWT.TOOL);
  tip.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));
  FillLayout layout = new FillLayout();
  layout.marginHeight = 1;
  layout.marginWidth = 2;
  tip.setLayout(layout);
  Label label = new Label(tip, SWT.NONE);
  label.setForeground(display.getSystemColor(SWT.COLOR_INFO_FOREGROUND));
  label.setBackground(display.getSystemColor(SWT.COLOR_INFO_BACKGROUND));

  label.setText(theControl.getToolTipText());
  label.addMouseTrackListener(this);
  Point size = tip.computeSize(SWT.DEFAULT, SWT.DEFAULT);
  Rectangle rect = theControl.getBounds();
  Point pt = theControl.getParent().toDisplay(rect.x, rect.y);
  tip.setBounds(pt.x, pt.y, size.x, size.y);
  tip.setVisible(true);
}
 

private Composite initTestProjectUI(DataBindingContext dbc, Composite parent) {
	// Additional test project options
	final Group testProjectOptionsGroup = new Group(parent, NONE);
	testProjectOptionsGroup.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).create());

	final Button createTestGreeterFileButton = new Button(testProjectOptionsGroup, CHECK);
	createTestGreeterFileButton.setText("Create a test project greeter file");

	final Button addNormalSourceFolderButton = new Button(testProjectOptionsGroup, CHECK);
	addNormalSourceFolderButton.setText("Also create a non-test source folder");

	Label nextPageHint = new Label(testProjectOptionsGroup, NONE);
	nextPageHint.setText("The projects which should be tested can be selected on the next page");
	nextPageHint.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_TITLE_INACTIVE_FOREGROUND));

	initTestProjectBinding(dbc, addNormalSourceFolderButton, createTestGreeterFileButton);

	return testProjectOptionsGroup;
}
 

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;
}
 

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;
}
 

private void initControl() {
  GridLayoutFactory.fillDefaults().numColumns(3).spacing(3, 2).applyTo(this);
  GridLayout layout = (GridLayout) this.getLayout();
  layout.marginLeft = 7;
  layout.marginTop = 2;
  layout.marginBottom = 2;

  Label iconLabel = new Label(this, SWT.NULL);
  iconLabel.setBackground(getBackground());
  GridDataFactory.swtDefaults().align(SWT.CENTER, SWT.BEGINNING).span(1, 2).applyTo(
      iconLabel);
  listenTo(iconLabel);

  Link nameLabel = new Link(this, SWT.NONE);
  nameLabel.setText(wbToolkit.getName());
  nameLabel.setBackground(getBackground());
  nameLabel.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  nameLabel.setFont(getBoldFont(getFont()));
  listenTo(nameLabel);

  Label providerLabel = new Label(this, SWT.NONE);
  providerLabel.setText(wbToolkit.getProviderDescription());
  providerLabel.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
  providerLabel.setBackground(getBackground());
  providerLabel.setForeground(Display.getDefault().getSystemColor(
      SWT.COLOR_GRAY));
  listenTo(providerLabel);

  Label summaryLabel = new Label(this, SWT.WRAP);
  String description = stripCRLF(wbToolkit.getDescription());
  summaryLabel.setText(description);
  summaryLabel.setBackground(getBackground());
  GridDataFactory.fillDefaults().grab(true, false).span(2, 1).hint(100,
      SWT.DEFAULT).applyTo(summaryLabel);
  listenTo(summaryLabel);

  listenTo(this);
}
 

/**
 * @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;
}
 

public static void removeLinkedLabel(Label label ) {
	label.setCursor(null );
    label.setForeground(null);
    label.setData( null );
    MouseAdapter ml = (MouseAdapter)label.getData( MOUSE_LISTENER_KEY );
    if ( ml != null ){
    	label.removeMouseListener(ml);
    }
    ClipboardCopy.removeCopyToClipMenu( label );
}
 

private void disableAllItems() {
    for (final ToolItem item : itemPerPreferenceNode.values()) {
        item.setEnabled(false);
    }

    for (final Label l : labelPerPreferenceNode.values()) {
        l.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_GRAY));
        l.setFont(BonitaStudioFontRegistry.getNormalFont());
    }
}
 

protected void cleanHighlights() {
    for (final ToolItem item : itemPerPreferenceNode.values()) {
        item.setEnabled(true);
    }
    for (final Label l : labelPerPreferenceNode.values()) {
        l.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
        l.setFont(BonitaStudioFontRegistry.getNormalFont());
    }
}
 

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());
	fBannerLabels.add(label);
	return label;
}
 

@Override
protected Control createCustomArea(Composite parent) {

   statusLabel = new Label(parent, SWT.NONE);
   statusLabel.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_RED));
   updateStatusLabel();

   createPreCustomArea(parent);

   Composite aiComp = new Composite(parent, SWT.NONE);
   aiComp.setLayout(XViewerLib.getZeroMarginLayout());
   aiComp.setLayoutData(new GridData(GridData.FILL_BOTH));

   treeViewer =
      new XCheckedFilteredTree(aiComp,
         SWT.MULTI | SWT.CHECK | SWT.READ_ONLY | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER, patternFilter);
   treeViewer.getViewer().getTree().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
   treeViewer.getViewer().setContentProvider(contentProvider);
   treeViewer.getViewer().setLabelProvider(labelProvider);
   treeViewer.getViewer().setSorter(viewerSorter);
   GridData gd = new GridData(GridData.FILL_BOTH);
   gd.heightHint = 400;
   treeViewer.getViewer().getTree().setLayoutData(gd);
   treeViewer.getViewer().addSelectionChangedListener(event -> updateStatusLabel());
   if (input != null) {
      treeViewer.getViewer().setInput(input);
   }
   if (initialSelections != null) {
      treeViewer.setInitalChecked(initialSelections);
   }
   return parent;
}
 

private Label createScriptgLabel( 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 Composite createButtonSection(Composite composite) {

		Composite panel = new Composite(composite, SWT.NONE);
		GridLayout layout= new GridLayout(1,false);
		panel.setLayout(layout);
		
		statusLabel = new Label(panel, SWT.LEFT);
		statusLabel.setForeground(statusLabel.getDisplay().getSystemColor(SWT.COLOR_RED));
		GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(statusLabel);
		
		findButton = createButton(panel, IDialogConstants.CLIENT_ID, "&Find", false);
		GridDataFactory.swtDefaults().align(SWT.RIGHT, SWT.BOTTOM).grab(false, false).hint(52, SWT.DEFAULT).applyTo(findButton);
		
		findButton.setEnabled(false);
		getShell().setDefaultButton(findButton);
		
		findButton.addSelectionListener(new SelectionAdapter() {
			@Override
			public void widgetSelected(SelectionEvent e) {
				doFind();
			}
		});
 		
		Button closeButton = createButton(panel, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);
		GridDataFactory.swtDefaults().align(SWT.RIGHT, SWT.BOTTOM).grab(false, false).hint(52, SWT.DEFAULT).applyTo(closeButton);
		
		return panel;
	}
 

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;
}
 

private void createLabels() {
    formPage.getToolkit()
            .createLabel(this, Messages.selectIndexFieldsMessages, SWT.WRAP)
            .setLayoutData(GridDataFactory.fillDefaults().create());
    formPage.getToolkit()
            .createLabel(this, Messages.warningTextIndex, SWT.WRAP)
            .setLayoutData(GridDataFactory.fillDefaults().create());

    Label validationLabel = formPage.getToolkit().createLabel(this, "", SWT.WRAP);
    validationLabel.setLayoutData(GridDataFactory.fillDefaults().create());
    validationLabel.setForeground(errorColor);

    indexedFieldNameObservable.addChangeListener(e -> {
        if (selectedIndexObservable.getValue() != null) {
            if (!selectedIndexObservable.getValue().getFieldNames().isEmpty()) {
                validationLabel.setVisible(false);
                ((GridData) validationLabel.getLayoutData()).exclude = true;
            } else {
                validationLabel.setVisible(true);
                ((GridData) validationLabel.getLayoutData()).exclude = false;
                validationLabel.setText(
                        String.format(Messages.indexFieldEmptiness, selectedIndexObservable.getValue().getName()));
            }
            layout();
        }
    });
}
 

/**
 * Build the instruction
 */
private void buildInstruction() {
	final Color color = new Color(Display.getCurrent(), 35, 107, 178);
	SWTGraphicUtil.addDisposer(this, color);

	instruction = new Label(this, SWT.NONE);
	instruction.setForeground(color);
	instruction.setLayoutData(new GridData(GridData.BEGINNING, GridData.BEGINNING, false, false));
}
 

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( );
}
 

/**
 * Clears all existing child elements and adds the provided text to the composite by an implicit
 * creation of {@link Label}s.
 *
 * <p>The added text gets layed out adequately by centering all but the first and last created
 * {@link Label}s.<br>
 * The first one becomes left wheras the last one becomes right aligned.
 *
 * @param texts
 */
public void setTexts(String[] texts) {
  disposeChildren();

  if (texts == null || texts.length == 0) return;

  /*
   * Sets layout Because the number of grid columns depends on the number
   * of text to display, each time you set the texts the layout needs to
   * be recreated.
   */
  GridLayout gridLayout = new GridLayout(texts.length, false);
  gridLayout.horizontalSpacing = 10;
  gridLayout.verticalSpacing = 0;
  gridLayout.marginWidth = MARGIN_WIDTH;
  gridLayout.marginHeight = MARGIN_HEIGHT;
  super.setLayout(gridLayout);

  textLabels = new Label[texts.length];

  // Places the labels
  for (int i = 0; i < texts.length; i++) {
    String text = texts[i];

    // Calculate layout

    int horizontalAlignment = SWT.CENTER;
    if (texts.length > 1 && i == 0) horizontalAlignment = SWT.LEFT;
    else if (texts.length > 1 && i == (texts.length - 1)) horizontalAlignment = SWT.RIGHT;
    boolean grabExcessHorizontalSpace = (i == (texts.length - 1));

    Label label = new Label(this, SWT.WRAP | horizontalAlignment);
    textLabels[i] = label;

    label.setForeground(getForeground());
    label.setBackground(getBackground());
    label.setText(text);

    FontUtils.changeFontSizeBy(label, -1);
    FontUtils.makeBold(label);

    label.setLayoutData(
        new GridData(horizontalAlignment, SWT.BEGINNING, grabExcessHorizontalSpace, false));
  }

  // Explicitly request layout in case the label(s) changed
  layout();
}
 

@Override
protected Control createDialogArea(Composite parent) {
	Composite root = (Composite) super.createDialogArea(parent);
	UI.gridLayout(root, 1, 10, 10);

	Composite comp = new Composite(root, SWT.NONE);
	UI.gridLayout(comp, 2, 10, 0);
	UI.formLabel(comp, M.File);
	String fileText = Strings.cut(provider.file.getParent(), 50)
			+ File.separator
			+ Strings.cut(provider.file.getName(), 50);
	Label label = UI.formLabel(comp, fileText);
	label.setForeground(Colors.linkBlue());

	Button openCheck = new Button(root, SWT.RADIO);
	openCheck.setText("Open mapping definition");
	Combo combo = new Combo(root, SWT.READ_ONLY);
	Controls.onSelect(combo, e -> {
		selectedMap = flowMaps.get(combo.getSelectionIndex());
	});
	UI.gridData(combo, true, false);
	Controls.onSelect(openCheck, e -> {
		selectedMap = flowMaps.get(combo.getSelectionIndex());
		combo.setEnabled(true);
	});

	Button genCheck = new Button(root, SWT.RADIO);
	genCheck.setText("Generate mapping based on flow attributes");
	Controls.onSelect(genCheck, e -> {
		selectedMap = null;
		combo.setEnabled(false);
	});

	if (flowMaps.isEmpty()) {
		genCheck.setSelection(true);
		openCheck.setSelection(false);
		combo.setEnabled(false);
		openCheck.setEnabled(false);
	} else {
		openCheck.setSelection(true);
		genCheck.setSelection(false);
		String[] items = this.flowMaps
				.stream()
				.map(m -> m.name)
				.toArray(len -> new String[len]);
		combo.setItems(items);
		combo.select(0);
		selectedMap = flowMaps.get(0);
	}
	return root;
}