
package org.eclipse.birt.chart.reportitem.ui;

import org.eclipse.ui.plugin.*;
import org.eclipse.jface.resource.ImageDescriptor;
import org.osgi.framework.BundleContext;

/**
 * The main plugin class to be used in the desktop.
 */
public class ChartReportItemUIActivator extends AbstractUIPlugin
{

	/** Plugin ID */
	public static final String ID = "org.eclipse.birt.chart.reportitem.ui"; //$NON-NLS-1$
	
	/** Preference ID */
	public static final String PREFERENCE_ENALBE_LIVE = "enable_live"; //$NON-NLS-1$
	public static final String PREFERENCE_MAX_ROW = "max_row"; //$NON-NLS-1$

	// The shared instance.
	private static ChartReportItemUIActivator plugin;

	/**
	 * The constructor.
	 */
	public ChartReportItemUIActivator( )
	{
		plugin = this;
	}

	/**
	 * This method is called upon plug-in activation
	 */
	public void start( BundleContext context ) throws Exception
	{
		super.start( context );

		// Initializes all chart related preference values
		ChartPreferencePage.init( );
	}

	/**
	 * This method is called when the plug-in is stopped
	 */
	public void stop( BundleContext context ) throws Exception
	{
		super.stop( context );
		plugin = null;
	}

	/**
	 * Returns the shared instance.
	 * 
	 * @return the shared instance.
	 */
	public static ChartReportItemUIActivator getDefault( )
	{
		return plugin;
	}

	/**
	 * Returns an image descriptor for the image file at the given plug-in
	 * relative path.
	 * 
	 * @param path
	 *            the path
	 * @return the image descriptor
	 */
	public static ImageDescriptor getImageDescriptor( String path )
	{
		return AbstractUIPlugin.imageDescriptorFromPlugin( "org.eclipse.birt.chart.reportitem.ui", //$NON-NLS-1$
				path );
	}
}
