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

/**
 * Adds a line of information to <code>parent</code>. If <code>icon</code> is not <code>null</code>, an icon is placed on
 * the left, and then a label with <code>text</code>.
 *
 * @param parent
 *          the composite to add the entry to
 * @param icon
 *          the icon to place next to the text. <code>null</code> for none.
 * @param text
 *          the text to display
 * @return the created label
 */
protected Label createEntry(final Composite parent, final Image icon, final String text) {
  if (icon != null) {
    final Label iconLabel = new Label(parent, SWT.NONE);
    iconLabel.setImage(icon);
    iconLabel.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
    iconLabel.setData(new GridData());
  }

  final Label textLabel = new Label(parent, SWT.WRAP);

  if (icon == null) {
    GridDataFactory.generate(textLabel, 2, 1);
  } else {
    GridDataFactory.generate(textLabel, 1, 1);
  }

  textLabel.setText(text);
  textLabel.setBackground(parent.getDisplay().getSystemColor(SWT.COLOR_INFO_BACKGROUND));
  return textLabel;
}
 

protected void highlight(final Composite parent, final Label labelControl, final Combo comboBox, final int color) {
	Object data= labelControl.getData();
	if (data == null) {
		if (color != HIGHLIGHT_NONE) {
			PaintListener painter= new HighlightPainter(parent, labelControl, comboBox, color);
			parent.addPaintListener(painter);
			labelControl.setData(painter);
		} else {
			return;
		}
	} else {
		if (color == HIGHLIGHT_NONE) {
			parent.removePaintListener((PaintListener) data);
			labelControl.setData(null);
		} else if (color != ((HighlightPainter) data).fColor){
			((HighlightPainter) data).fColor= color;
		} else {
			return;
		}
	}
	
	parent.redraw();
}
 

private void addHeaderSplitter( )
{
	Label splitter = new Label( cmpHeaders, SWT.NONE );
	FormData fd = new FormData( );
	fd.top = new FormAttachment( 2 );
	int i = btnHeaders.size( );
	if ( i == 0 )
	{
		fd.left = new FormAttachment( 0 );
	}
	else
	{
		Button btnNeighbor = btnHeaders.get( i - 1 );
		fd.left = new FormAttachment( btnNeighbor );
	}
	fd.width = SPLITTER_WIDTH;
	splitter.setLayoutData( fd );
	splitter.setData( Integer.valueOf( i - 1 ) );
	splitter.addMouseListener( this );
	splitter.addMouseMoveListener( this );
}
 

@Override
public void createContent ( final Composite parent )
{
    parent.setLayout ( new GridLayout ( 1, false ) );

    final Label label = new Label ( parent, SWT.NONE );
    label.setText ( System.getProperty ( Properties.MAIN_PAGE_TEXT, "Administration Console" ) );
    label.setData ( RWT.CUSTOM_VARIANT, "mainLabel" );

    final GridData gd = new GridData ( SWT.CENTER, SWT.BEGINNING, true, true );
    gd.verticalIndent = 20;
    label.setLayoutData ( gd );
}
 

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 );
}
 

Cell(Composite parent, int idx) {
	label = new Label(parent, SWT.CENTER);
	index = idx;
	label.addListener(SWT.MouseDown, listener);
	label.setData(this);
}
 

public LinkSwtParameter(Composite composite, String name_resource,
		String labelKey, String url) {
	super(name_resource);

	if (labelKey != null) {
		Label label = new Label(composite, SWT.NONE);
		Messages.setLanguageText(label, labelKey);
		setRelatedControl(label);
	}

	link_label = new Label(composite, SWT.WRAP);
	setMainControl(link_label);
	this.url = url;
	Messages.setLanguageText(link_label, name_resource);
	Display display = link_label.getDisplay();
	link_label.setCursor(display.getSystemCursor(SWT.CURSOR_HAND));
	link_label.setForeground(display.getSystemColor(SWT.COLOR_LINK_FOREGROUND));
	link_label.addListener(SWT.MouseUp, e -> {
		if (e.button == 1) {
			triggerChangeListeners(false);
		} else {
			e.doit = true;
		}
	});
	link_label.addListener(SWT.MouseDoubleClick,
			e -> triggerChangeListeners(false));
	link_label.setData(url);
	ClipboardCopy.addCopyToClipMenu(link_label);

	if (doGridData(composite) && labelKey == null) {
		GridLayout parentLayout = (GridLayout) composite.getLayout();
		if (parentLayout.numColumns >= 2) {
			GridData gridData = Utils.getWrappableLabelGridData(2,
					GridData.FILL_HORIZONTAL);
			link_label.setLayoutData(gridData);
		} else {
			link_label.setLayoutData(new GridData());
		}
	}

	if (url != null) {
		Utils.setTT(link_label, url);
	}
}
 

public static void updateLinkedLabel(Label label, String hyperlink) {
	label.setData(hyperlink);
	Utils.setTT(label,hyperlink);
}
 

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);
					}
				}
			}
			
		});
	}
}