Bug 209464 Drill-through link should pass svg parameter value[0002]
Description: Drill-through link should pass svg parameter value Build number:2.3.0.v20071112 Steps to reproduce: 1. Insert a chart. 2. Define drill-through link in chart interactivity which link to the current report. 3. In preference, enable svg. 4. Preview and click the link. Expected result: Display chart with same type after drill-through link Actual result: In preview page, chart is svg chart.After drill-through link, the same chart in the linked page has gray background which means the chart is converted to non-svg image. Error log:n/a
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/service/ViewerHTMLActionHandler.java
{
		if ( action == null || context == null )
			return null;
		String baseURL = null;
		Object renderContext = getRenderContext( context );
		if ( renderContext instanceof HTMLRenderContext )
		{
			baseURL = ( (HTMLRenderContext) renderContext ).getBaseURL( );
		}
		if ( renderContext instanceof PDFRenderContext )
		{
			baseURL = ( (PDFRenderContext) renderContext ).getBaseURL( );
		}
		if ( baseURL == null )
			baseURL = IBirtConstants.VIEWER_PREVIEW;
		StringBuffer link = new StringBuffer( );
		String reportName = getReportName( context, action );
		if ( reportName != null && !reportName.equals( "" ) ) 
		{
			link.append( baseURL );
			link
					.append( reportName.toLowerCase( )
							.endsWith( ".rptdocument" ) ? "?__document=" : "?__report=" ); 
			try
			{
				link.append( URLEncoder.encode( reportName,
						ParameterAccessor.UTF_8_ENCODE ) );
			}
			catch ( UnsupportedEncodingException e1 )
			{