Java Code Examples for org.eclipse.swt.widgets.Composite#getBackground()

protected Control createControl( Composite parent )
{

	Font font = parent.getFont( );
	Color bg = parent.getBackground( );

	editor = new Composite( parent, getStyle( ) );
	editor.setFont( font );
	editor.setBackground( bg );
	editor.setLayout( new FillLayout( ) );

	createContents( editor );
	updateContents( value );

	setValueValid( true );

	return editor;
}
 

protected Control createControl( Composite parent )
{

	Font font = parent.getFont( );
	Color bg = parent.getBackground( );

	editor = new Composite( parent, getStyle( ) );
	editor.setFont( font );
	editor.setBackground( bg );
	editor.setLayout( new FillLayout( ) );

	createContents( editor );
	updateContents( value );

	setValueValid( true );

	return editor;
}
 

private Control createBufferTip(Composite parent, IEditorReference ref) {

		Composite result = new Composite(parent, SWT.NO_FOCUS);
		Color bg = parent.getBackground();
		result.setBackground(bg);
		GridLayout gridLayout = new GridLayout();
		gridLayout.numColumns = 1;
		result.setLayout(gridLayout);

		StyledText name = new StyledText(result, SWT.READ_ONLY | SWT.HIDE_SELECTION);
		// italics results in slightly clipped text unless extended
		String text = ref.getTitleToolTip() + ' ';
		name.setText(text);
		name.setBackground(bg);
		name.setCaret(null);
		StyleRange styleIt = new StyleRange(0, text.length(), null, bg);
		styleIt.fontStyle = SWT.ITALIC;
		name.setStyleRange(styleIt);
		
		return result;
	}
 

/**
 * @param parent
 * @param style
 */
public ToolkitControl(Composite parent, WBToolkit wbToolkit) {
  super(parent, SWT.NONE);

  this.wbToolkit = wbToolkit;

  setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
  setBackground(parent.getBackground());
  defaultBackgroundColor = parent.getBackground();
  selectedBackgroundColor = Display.getDefault().getSystemColor(
      SWT.COLOR_LIST_SELECTION);

  initControl();
}
 

protected Label newLabel(final Composite c, final String msg) {
	final Label l = new Label(c, SWT.NONE);
	l.setText(msg);
	final Color bc = c.getBackground();
	if (bc != null) {
		l.setBackground(new Color(null, bc.getRGB()));
	}
	return l;
}
 

/**
 * Constructs a new {@link FXColorPicker}.
 *
 * @param parent
 *            The parent {@link Composite}.
 * @param color
 *            The initial {@link Color} to set.
 */
public FXColorPicker(final Composite parent, Color color) {
	super(parent, SWT.NONE);
	setLayout(new FillLayout());

	FXCanvas canvas = new FXCanvas(this, SWT.NONE);

	// container
	Group colorPickerGroup = new Group();
	HBox hbox = new HBox();
	colorPickerGroup.getChildren().add(hbox);

	// color wheel
	WritableImage colorWheelImage = new WritableImage(64, 64);
	renderColorWheel(colorWheelImage, 0, 0, 64);
	ImageView colorWheel = new ImageView(colorWheelImage);
	colorWheel.setFitWidth(16);
	colorWheel.setFitHeight(16);

	BorderPane colorWheelPane = new BorderPane();
	Insets insets = new Insets(2.0);
	colorWheelPane.setPadding(insets);
	colorWheelPane.setCenter(colorWheel);
	// use background color of parent composite (the wheel image is
	// transparent outside the wheel, so otherwise the hbox color would look
	// through)
	colorWheelPane.setStyle("-fx-background-color: "
			+ computeRgbString(Color.rgb(parent.getBackground().getRed(),
					parent.getBackground().getGreen(),
					parent.getBackground().getBlue())));

	colorRectangle = new Rectangle(50, 20);
	// bind to ColorWheel instead of buttonPane to prevent layout
	// problems.
	colorRectangle.widthProperty().bind(colorWheel.fitWidthProperty()
			.add(insets.getLeft()).add(insets.getRight()).multiply(2.5));
	colorRectangle.heightProperty().bind(colorWheelPane.heightProperty());

	// draw 'border' around hbox (and fill background, which covers the
	// space beween color rect and wheel
	hbox.setStyle("-fx-border-color: " + computeRgbString(Color.DARKGREY)
			+ "; -fx-background-color: "
			+ computeRgbString(Color.DARKGREY));
	hbox.getChildren().addAll(colorRectangle, colorWheelPane);
	hbox.setSpacing(0.5);

	// interaction
	colorWheelPane.setOnMouseClicked(new EventHandler<MouseEvent>() {
		@Override
		public void handle(MouseEvent event) {
			Color colorOrNull = FXColorPicker.pickColor(getShell(),
					getColor());
			if (colorOrNull != null) {
				setColor(colorOrNull);
			}
		}
	});

	Scene scene = new Scene(colorPickerGroup);

	// copy background color from parent composite
	org.eclipse.swt.graphics.Color backgroundColor = parent.getBackground();
	scene.setFill(Color.rgb(backgroundColor.getRed(),
			backgroundColor.getGreen(), backgroundColor.getBlue()));
	canvas.setScene(scene);

	// initialize some color
	setColor(color);

	colorRectangle.fillProperty().bind(this.color);
}
 

@Override
protected Control createControl(Composite parent) {
	Font font = parent.getFont();
	Color bg = parent.getBackground();

	// Create the editor composite
	editor = new Composite(parent, getStyle());
	editor.setFont(font);
	editor.setBackground(bg);
	editor.setLayout(new DialogCellLayout());

	// Create the contents
	contents = (CCombo) super.createControl(editor);

	// Create the Browse Button
	button = createButton(editor);
	button.setFont(font);

	// Add a escape key listener
	button.addKeyListener(new KeyAdapter() {

		@Override
		public void keyReleased(KeyEvent e) {
			if (e.character == '\u001b') { // Escape
				fireCancelEditor();
			}
		}
	});

	// Add the focus listener
	button.addFocusListener(getButtonFocusListener());

	// Add the button listener to throw up the file browser
	button.addSelectionListener(new SelectionAdapter() {

		@Override
		public void widgetSelected(SelectionEvent event) {
			// Remove the button's focus listener since it's guaranteed
			// to lose focus when the dialog opens
			button.removeFocusListener(getButtonFocusListener());

			// Get the IClient so we can do the import
			IClient client = ClientHolder.getClient();
			
			// Open the file browser and get the selection
			String newValue = (String) openDialogBox(editor);

			// Re-add the listener once the dialog closes
			button.addFocusListener(getButtonFocusListener());

			if (newValue != null) {

				// Import the files
				File importedFile = new File(newValue);
				client.importFile(importedFile.toURI());

				String[] currentItems = FileComboBoxCellEditor.this.getItems();
				String[] newItems = new String[currentItems.length + 1];
				for (int i = 0; i < currentItems.length; i++) {
					newItems[i] = currentItems[i];
				}
				newItems[currentItems.length] = importedFile.getName();

				FileComboBoxCellEditor.this.setItems(newItems);
				doSetValue(new Integer(currentItems.length));

				ArrayList<String> valueList = new ArrayList<String>(Arrays.asList(newItems));

				// Set the new list
				element.getEntry().setAllowedValues(valueList);

				support.setValue(element, currentItems.length);
				markDirty();
				setValueValid(true);
				fireApplyEditorValue();
				deactivate();
			}
		}
	});

	setValueValid(true);

	return editor;
}
 

/**
 * This operation draws the (initial) controls in the properties view based
 * on the input. Adds the <code>DataComponent</code> to a
 * <code>DataComponentComposite</code> to be used in the properties view.
 */
@Override
public void createControls(Composite parent,
		TabbedPropertySheetPage aTabbedPropertySheetPage) {
	super.createControls(parent, aTabbedPropertySheetPage);
	// Get the default background color.
	Color backgroundColor = parent.getBackground();

	// Create a section for the data composites.
	section = getWidgetFactory().createSection(parent,
			Section.SHORT_TITLE_BAR | Section.DESCRIPTION);
	section.setText(data.getName());
	section.setDescription(data.getDescription());
	section.setBackground(backgroundColor);

	dataComposite = new DataComponentComposite(data, section, SWT.NONE);

	// Sets the entries to be enabled to the state of the isEnabled flag
	Control[] children = dataComposite.getChildren();
	for (Control child : children) {
		if (child instanceof IEntryComposite) {
			IEntryComposite entry = (IEntryComposite) child;
			entry.getComposite().setEnabled(isEnabled);
		}
	}

	GridLayout clientLayout = new GridLayout(2, true);

	// Set the margins and spacing based on the tabbed property
	// constants.
	clientLayout.marginLeft = ITabbedPropertyConstants.HMARGIN;
	clientLayout.marginRight = ITabbedPropertyConstants.HMARGIN;
	clientLayout.marginTop = ITabbedPropertyConstants.VMARGIN;
	clientLayout.marginBottom = ITabbedPropertyConstants.VMARGIN;
	clientLayout.horizontalSpacing = ITabbedPropertyConstants.HSPACE;
	clientLayout.verticalSpacing = ITabbedPropertyConstants.VSPACE;
	dataComposite.setLayout(clientLayout);

	// Make the background of the section client white unless ICE is in
	// debug mode.
	if (System.getProperty("DebugICE") == null) {
		dataComposite.setBackground(backgroundColor);
	} else {
		dataComposite.setBackground(
				Display.getCurrent().getSystemColor(SWT.COLOR_RED));
	}

	// Adapt the composite to be rendered with the default widget factory
	// toolkit
	getWidgetFactory().adapt(dataComposite);

	// Set the client area for the section.
	section.setClient(dataComposite);

	return;
}
 

/**
 * This operation draws the controls in the properties view based on the
 * input.
 */
@Override
public void createControls(Composite parent,
		TabbedPropertySheetPage aTabbedPropertySheetPage) {
	super.createControls(parent, aTabbedPropertySheetPage);

	// Get the default background color (white).
	Color backgroundColor = parent.getBackground();

	// Create a section for the data composites.
	section = getWidgetFactory().createSection(parent,
			ExpandableComposite.SHORT_TITLE_BAR | Section.DESCRIPTION);
	section.setText("Node properties");
	section.setDescription("All properties available for "
			+ "this node can be modified here.");
	section.setBackground(backgroundColor);

	// Create the Composite that contains all DataComponentComposites.
	final Composite client = new Composite(section, SWT.NONE);
	// Set the layout of the client area so that all DataComponentComposites
	// are stacked on top of each other.
	GridLayout clientLayout = new GridLayout();
	// Set the margins and spacing based on the tabbed property constants.
	clientLayout.marginLeft = ITabbedPropertyConstants.HMARGIN;
	clientLayout.marginRight = ITabbedPropertyConstants.HMARGIN;
	clientLayout.marginTop = ITabbedPropertyConstants.VMARGIN;
	clientLayout.marginBottom = ITabbedPropertyConstants.VMARGIN;
	clientLayout.horizontalSpacing = ITabbedPropertyConstants.HSPACE;
	clientLayout.verticalSpacing = ITabbedPropertyConstants.VSPACE;
	client.setLayout(clientLayout);

	// Make the background of the section client white unless ICE is in
	// debug mode.
	if (System.getProperty("DebugICE") == null) {
		client.setBackground(backgroundColor);
	} else {
		client.setBackground(
				Display.getCurrent().getSystemColor(SWT.COLOR_RED));
	}

	// Set the client area for the section.
	section.setClient(client);

	// Get the property viewer's ScrolledComposite and its first Composite
	// (its "client" Composite).
	scrollCompositeClient = section.getParent().getParent().getParent()
			.getParent();
	scrollComposite = (ScrolledComposite) scrollCompositeClient.getParent();

	// Add a listener to resize the Section's properties and update the
	// ScrollComposite's minimum bounds correctly based on the displayed
	// properties.
	scrollComposite.addControlListener(new ControlAdapter() {
		@Override
		public void controlResized(ControlEvent e) {
			resizeProperties();
		}
	});

	return;
}
 

/**
 * This operation draws the (initial) controls in the properties view based
 * on the input. In this case, there are initially no widgets to prepare.
 */
@Override
public void createControls(Composite parent,
		TabbedPropertySheetPage aTabbedPropertySheetPage) {
	super.createControls(parent, aTabbedPropertySheetPage);

	// Get the default background color.
	Color backgroundColor = parent.getBackground();

	// Create a section for the data composites.
	section = getWidgetFactory().createSection(parent,
			ExpandableComposite.SHORT_TITLE_BAR | Section.DESCRIPTION);
	section.setText("Node properties");
	section.setDescription("All properties available for "
			+ "this node can be modified here.");
	section.setBackground(backgroundColor);

	// Create the Composite that contains all DataComponentComposites.
	final Composite client = new Composite(section, SWT.NONE);
	GridLayout clientLayout = new GridLayout(2, false);
	// Set the margins and spacing based on the tabbed property constants.
	clientLayout.marginLeft = ITabbedPropertyConstants.HMARGIN;
	clientLayout.marginRight = ITabbedPropertyConstants.HMARGIN;
	clientLayout.marginTop = ITabbedPropertyConstants.VMARGIN;
	clientLayout.marginBottom = ITabbedPropertyConstants.VMARGIN;
	clientLayout.horizontalSpacing = ITabbedPropertyConstants.HSPACE;
	clientLayout.verticalSpacing = ITabbedPropertyConstants.VSPACE;
	client.setLayout(clientLayout);

	// Make the background of the section client white unless ICE is in
	// debug mode.
	if (System.getProperty("DebugICE") == null) {
		client.setBackground(backgroundColor);
	} else {
		client.setBackground(
				Display.getCurrent().getSystemColor(SWT.COLOR_RED));
	}

	// Set the client area for the section.
	section.setClient(client);

	// Get the property viewer's ScrolledComposite and its first Composite
	// (its "client" Composite).
	scrollCompositeClient = section.getParent().getParent().getParent()
			.getParent();
	scrollComposite = (ScrolledComposite) scrollCompositeClient.getParent();

	// Add a listener to resize the Section's properties and update the
	// ScrollComposite's minimum bounds correctly based on the displayed
	// properties.
	scrollComposite.addControlListener(new ControlAdapter() {
		@Override
		public void controlResized(ControlEvent e) {
			resizePropertyView();
		}
	});

	// Create the type Combo Composite.
	typeComposite = createTypeComposite(client);
	GridData gridData = new GridData(SWT.FILL, SWT.CENTER, true, false);
	gridData.horizontalSpan = 2;
	typeComposite.setLayoutData(gridData);
	// Refresh the contents of the type Combo and its containing Composite.
	refreshTypeWidgets();

	// Create the table of properties.
	tableViewer = createTableViewer(client);
	// Set the table's layout data so it occupies all spare space in the
	// property section client.
	tableViewer.getControl()
			.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

	// Create the add/delete buttons.
	Composite buttonComposite = createButtons(client);
	// The button Composite shouldn't grab any space. Align it along the
	// center and top of the space to the right of the table.
	buttonComposite
			.setLayoutData(new GridData(SWT.RIGHT, SWT.TOP, false, false));

	return;
}