class MklOutputConfigurationProvider extends OutputConfigurationProvider {
	
	public static val DEFAULT_OUTPUT_DIRECTORY = "."
	public static val APP_OUTPUT_DIRECTORY = DEFAULT_OUTPUT_DIRECTORY + "/modules/app/"
	public static val OUTPUT_KEEPED = "OUTPUT_KEEPED"
	
	
	override getOutputConfigurations() {
		val defaultOutput = new OutputConfiguration(IFileSystemAccess.DEFAULT_OUTPUT)
		defaultOutput.description = "Default and base output."
		defaultOutput.outputDirectory = DEFAULT_OUTPUT_DIRECTORY
		defaultOutput.createOutputDirectory = true
		
		
		val outputConfigKeepResources = new OutputConfiguration(OUTPUT_KEEPED)
		outputConfigKeepResources.description = "Keep generated files"
		outputConfigKeepResources.outputDirectory = APP_OUTPUT_DIRECTORY
		outputConfigKeepResources.createOutputDirectory = true
		outputConfigKeepResources.overrideExistingResources = false
		outputConfigKeepResources.setDerivedProperty = false
		outputConfigKeepResources.canClearOutputDirectory = false
		outputConfigKeepResources.cleanUpDerivedResources = false
		
		newHashSet(defaultOutput, outputConfigKeepResources)
	}
	
}

public boolean installMarker(IFile file, String generator, String source) throws CoreException {
		if (!file.exists())
			return false;
		IMarker[] markers = file.findMarkers(MARKER_ID, true, IResource.DEPTH_INFINITE);
		for (IMarker marker : markers) {
			if (generator.equals(marker.getAttribute(ATTR_GENERATOR))
				&& source.equals(marker.getAttribute(ATTR_SOURCE)))
				return true;
		}
		IMarker marker = file.createMarker(MARKER_ID);
		marker.setAttribute(ATTR_GENERATOR, generator);
		marker.setAttribute(ATTR_SOURCE, source);
		return true;
	}

class MklDerivedResourceMarkers extends DerivedResourceMarkers {
	
	override installMarker(IFile file, String generator, String source) throws CoreException {
		val isDerived = file.isDerived()
		if (!isDerived) {
			return false
		}
		
		super.installMarker(file, generator, source)
	}	
}

@FinalFieldsConstructor
class MklUiModule extends AbstractMklUiModule {
	
	def Class<? extends IDerivedResourceMarkers> bindDerivedResourceMarkers() {		
		return MklDerivedResourceMarkers		
	}	
}