Bug 201526 Mutil parameter value will show the mutil value[0705]
Description: Mutil parameter value will show the mutil value[0705] Step: 1. New a list parameter and select allow multiple value 2. Add some value in it. 3. Drop the parameter in layout( param["NewParameter1"] ). 4. Preview and select several value. Actual result: It will preview a object string. Expected result: The value that is selected will be previewed.
engine/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/presentation/LocalizedContentVisitor.java
return formats;
		}
		return "PNG;GIF;JPG;BMP;"; 
	}
	private String getImageCacheID( IContent content )
	{
		StringBuffer buffer = new StringBuffer( );
		buffer.append( content.getInstanceID( ).toUniqueString( ) );
		buffer.append( getChartResolution( ) );
		buffer.append( getChartFormats( ) );
		buffer.append( locale );
		return buffer.toString( );
	}
	
	private IContent processCachedImage( IForeignContent content,
			CachedImage cachedImage )
	{
		IImageContent imageObj = getReportContent( ).createImageContent(
				content );
		imageObj.setParent( content.getParent( ) );
		
		imageObj.setImageSource( IImageContent.IMAGE_FILE );
		imageObj.setURI( cachedImage.getURL( ) );
		imageObj.setMIMEType( cachedImage.getMIMEType( ) );
		imageObj.setImageMap( cachedImage.getImageMap( ) );
		imageObj.setAltText( content.getAltText( ) );
		imageObj.setAltTextKey( content.getAltTextKey( ) );
		processImage( imageObj );
		return imageObj;
	}