Bug 127354 For template, relative path to template image does not work
Steps to reproduce: 1. Create a new template. 2. In the wizard, in Template Image, type a relative path to an image. For example, use an image in the project directory in which you are creating the template. Expected: It works. Actual: Error "Image file '<file name>' does not exist" shows in the UI. If you go ahead and create the template anyway, you cannot publish to the template folder, because Finish is not enabled.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ImageBuilder.java
.getCommandStack( );
		ReportItemHandle handle = (ReportItemHandle) inputImage;
		stack.startTrans( Messages.getString( "DesignerActionBarContributor.menu.element.editDataBinding" ) ); 
		DataBindingDialog dialog = new DataBindingDialog( PlatformUI.getWorkbench( )
				.getDisplay( )
				.getActiveShell( ),
				handle );
		if ( dialog.open( ) == Dialog.OK )
		{
			stack.commit( );
		}
		else
		{
			stack.rollback( );
		}
	}
	private java.util.List unionDataSets( )
	{
		if ( inputImage == null || inputImage.getDataSet( ) == null )
		{
			return dataSetList;
		}
		int i = dataSetList.indexOf( inputImage.getDataSet( ) );
		if ( i == -1 )
		{
			dataSetList.add( inputImage.getDataSet( ) );
		}
		return dataSetList;
	}
}