Example usage for org.eclipse.jface.viewers IDecoration IDecoration

Introduction

In this page you can find the example usage for org.eclipse.jface.viewers IDecoration IDecoration.

Prototype

IDecoration

Source Link

Usage

From source file:com.rcpcompany.uibindings.extests.bindingMessages.LabelDecoratorTest.java

License:Open Source License

/**
 * Tests whether the element - if it is an {@link EObject} - has the specified message type and
 * whether the specified decorator has the specified decoration.
 * /*from   w  w w .j  a  v  a  2  s  .c  o  m*/
 * @param labelDecorator the decorator
 * @param element the element in question
 * @param messageType the expected message for the element
 * @param decorationType the expected decoration for the element
 */
private void testLD(ValidationLabelDecorator labelDecorator, Object element, int messageType,
        int decorationType) {
    if (element instanceof EObject) {
        assertEquals(messageType, myValidatorManager.getObjectSeverity((EObject) element));
    }
    if (decorationType == -1) {
        decorationType = messageType;
    }

    myCurrentOverlay = null;
    final IDecoration decoration = new IDecoration() {

        @Override
        public void setForegroundColor(Color color) {
            fail();
        }

        @Override
        public void setFont(Font font) {
            fail();
        }

        @Override
        public void setBackgroundColor(Color color) {
            fail();
        }

        @Override
        public IDecorationContext getDecorationContext() {
            return DecorationContext.DEFAULT_CONTEXT;
        }

        @Override
        public void addSuffix(String suffix) {
            fail();
        }

        @Override
        public void addPrefix(String prefix) {
            fail();
        }

        @Override
        public void addOverlay(ImageDescriptor overlay, int quadrant) {
            fail();
        }

        @Override
        public void addOverlay(ImageDescriptor overlay) {
            assertEquals(null, myCurrentOverlay);
            assertNotNull(overlay);
            myCurrentOverlay = overlay;
        }
    };
    labelDecorator.decorate(element, decoration);
    assertEquals(decorationType, labelDecorator.getElementSeverity(element));
    switch (decorationType) {
    case IMessageProvider.NONE:
        // No overlay expected
        assertEquals(null, myCurrentOverlay);
        break;
    case IMessageProvider.INFORMATION:
        // No overlay expected
        assertEquals(null, myCurrentOverlay);
        break;
    case IMessageProvider.WARNING:
        assertEquals(ValidationLabelDecorator.WARNING_IMAGE, myCurrentOverlay);
        break;
    case IMessageProvider.ERROR:
        assertEquals(ValidationLabelDecorator.ERROR_IMAGE, myCurrentOverlay);
        break;
    }
}

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From source file:com.rcpcompany.uibindings.internal.decorators.extenders.ViewerSpecificLabelDecoratorExtender.java

License:Open Source License

@Override
public void extend(final IUIBindingDecoratorExtenderContext context) {
    final ValidationLabelDecorator labelDecorator = getLabelDecorator(context.getBinding());

    if (labelDecorator == null)
        return;//from   w  w w.  j  ava2  s.co m

    /*
     * We want to be notified next time the decorator changes...
     * 
     * Note that we expect the decorator to conform to the comment of #addListener(): "Adds a
     * listener to this label provider. Has no effect if an identical listener is already
     * registered.".
     * 
     * This is done this way to avoid any references from the extender to the decorator, as
     * these can be problematic when garbage collecting...
     */
    labelDecorator.addListener(this);

    final EObject element = context.getBinding().getModelObject();

    final IDecoration decoration = new IDecoration() {
        @Override
        public void addPrefix(String prefix) {
            // TODO
        }

        @Override
        public void addSuffix(String suffix) {
            // TODO
        }

        @Override
        public void addOverlay(ImageDescriptor overlay) {
            final DecorationPosition pos = IManager.Factory.getManager().getMessageDecorationPosition();
            switch (pos) {
            case TOP_LEFT:
            case CENTER_LEFT:
                addOverlay(overlay, IDecoration.TOP_LEFT);
                break;
            case BOTTOM_LEFT:
                addOverlay(overlay, IDecoration.BOTTOM_LEFT);
                break;
            case TOP_RIGHT:
            case CENTER_RIGHT:
                addOverlay(overlay, IDecoration.TOP_RIGHT);
                break;
            case BOTTOM_RIGHT:
                addOverlay(overlay, IDecoration.BOTTOM_RIGHT);
                break;
            default:
                LogUtils.error(this, "Unknown position: " + pos);
                addOverlay(overlay, IDecoration.TOP_LEFT);
                break;
            }
        }

        @Override
        public void addOverlay(ImageDescriptor overlay, int quadrant) {
            final Image image = getResourceManager().createImage(overlay);
            switch (quadrant) {
            case IDecoration.BOTTOM_LEFT:
                context.setDecoratingImage(DecorationPosition.BOTTOM_LEFT, false, image, null);
                break;
            case IDecoration.TOP_LEFT:
                context.setDecoratingImage(DecorationPosition.TOP_LEFT, false, image, null);
                break;
            case IDecoration.BOTTOM_RIGHT:
                context.setDecoratingImage(DecorationPosition.BOTTOM_RIGHT, false, image, null);
                break;
            case IDecoration.TOP_RIGHT:
                context.setDecoratingImage(DecorationPosition.TOP_RIGHT, false, image, null);
                break;
            case IDecoration.REPLACE:
                context.setImage(image);
                break;
            default:
                LogUtils.error(this, "Unknown quadrant: " + quadrant);
                break;
            }
        }

        @Override
        public void setForegroundColor(Color color) {
            context.setForegound(color);
        }

        @Override
        public void setBackgroundColor(Color color) {
            context.setBackgound(color);
        }

        @Override
        public void setFont(Font font) {
            context.setFont(font);
        }

        @Override
        public IDecorationContext getDecorationContext() {
            return DecorationContext.DEFAULT_CONTEXT;
        }
    };
    labelDecorator.decorate(element, decoration);
}

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