com.quantcomponents.ui.marketdata.AutoUpdateIconDecorator.java Source code

Introduction

Here is the source code for com.quantcomponents.ui.marketdata.AutoUpdateIconDecorator.java

Source

/*******************************************************************************
 * Copyright (c) 2013 Luigi Sgro. All rights reserved. This
 * program and the accompanying materials are made available under the terms of
 * the Eclipse Public License v1.0 which accompanies this distribution, and is
 * available at http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     Luigi Sgro - initial API and implementation
 ******************************************************************************/
package com.quantcomponents.ui.marketdata;

import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.viewers.IDecoration;
import org.eclipse.jface.viewers.ILightweightLabelDecorator;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.LabelProviderChangedEvent;

public class AutoUpdateIconDecorator extends LabelProvider implements ILightweightLabelDecorator {
    public static final String DECORATOR_ID = "com.quantcomponents.ui.marketdata.autoUpdateDecorator";

    @Override
    public void decorate(Object element, IDecoration decoration) {
        if (element instanceof StockDatabasePresentationWrapper) {
            StockDatabasePresentationWrapper stockDatabase = (StockDatabasePresentationWrapper) element;
            if (stockDatabase.isRealtimeUpdate()) {
                ImageDescriptor imageDescriptor = MarketDataPlugin.getDefault().getImageRegistry()
                        .getDescriptor(MarketDataPlugin.DECORATOR_AUTOUPDATE_IMAGE_KEY);
                decoration.addOverlay(imageDescriptor, IDecoration.BOTTOM_RIGHT);
            }
        }
    }

    public void fireLabelProviderChanged(StockDatabasePresentationWrapper stockDatabase) {
        LabelProviderChangedEvent event = new LabelProviderChangedEvent(this, new Object[] { stockDatabase });
        fireLabelProviderChanged(event);
    }
}