package com.onaro.sanscreen.client.view;

import java.lang.reflect.InvocationTargetException;
import java.util.List;

import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;

import com.onaro.sanscreen.client.view.tabular.NavigationInfo;
import com.onaro.sanscreen.server.interfaces.data.Context;
import com.onaro.sanscreen.server.interfaces.util.UpdateTimeData;

public interface IViewDirectorLoader {

	public void addListener(IViewDirectorLoaderListener listener);
	
	public void removeListener(IViewDirectorLoaderListener listener);
	
	/**
	 * Loads the contents of the view for the given selection and context.
	 * 
	 * @param context
	 *            the time context to use.
	 * @param ignoreCache
	 */
	public void loadViewData(IProgressMonitor progressMonitor, List<IAdaptable> selectedAdaptables, NavigationInfo viewFlag, Context context, boolean ignoreCache) throws InterruptedException, InvocationTargetException;
	
	/**
	 * Clear the data of the view.
	 */
	public void clearViewData();
	
	/**
	 * Determine whether the view needs to be reloaded based on the changes to the given RefreshData
	 * @param oldData the data to compare with
	 * @param newData the latest refresh data
	 * @return true if the view should be refreshed, false otherwise
	 */
	public boolean needsFullRefresh(UpdateTimeData oldData, UpdateTimeData newData);
}