Bug 168172 Add the get() and set() functions of HideDetail parameter on IGroup
Add the get() and set() functions of HideDetail parameter on IGroup, and thus enable the hidedetail shifting on the Group through eventhandler.
engine/org.eclipse.birt.report.engine.tests/test/org/eclipse/birt/report/engine/api/script/element/ElementTest.java
}
		catch ( ScriptException e )
		{
			
			
		}
		group.setTocExpression( TOC );
		assertEquals( TOC, group.getTocExpression( ) );
	}
	public void testImage( ) throws ScriptException
	{
		ImageHandle imageHandle = factory.newImage( IMAGE );
		IImage image = new Image( imageHandle );
		image.setHelpText( HELP_TEXT );
		assertEquals( HELP_TEXT, image.getHelpText( ) );
		image.setHelpTextKey( HELP_TEXT_KEY );
		assertEquals( HELP_TEXT_KEY, image.getHelpTextKey( ) );
		image.setImageName( IMAGE_NAME );
		assertEquals( IMAGE_NAME, image.getImageName( ) );
		image.setScale( 50.5 );
		assertTrue( 50.5 == image.getScale( ) );
		image.setSize( DesignChoiceConstants.IMAGE_SIZE_SCALE_TO_ITEM );
		assertEquals( DesignChoiceConstants.IMAGE_SIZE_SCALE_TO_ITEM, image
				.getSize( ) );
		try
		{
			image.setSize( TEST );
			fail( "\"test\" should not be a valid sizing method" );
		}
		catch ( ScriptException e )