TestRoots/watchdog

package nl.tudelft.watchdog.eclipse.logic.ui.listeners;

import nl.tudelft.watchdog.core.logic.event.TrackingEventManager;
import nl.tudelft.watchdog.core.logic.ui.events.WatchDogEventType;
import nl.tudelft.watchdog.eclipse.logic.ui.listeners.staticanalysis.ResourceAndResourceDeltaVisitor;
import nl.tudelft.watchdog.eclipse.util.WatchDogUtils;

import java.util.HashMap;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.ui.IPartListener;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.texteditor.ITextEditor;

/**
 * A listener on parts. Eclipse parts can be views or editors. We are only
 * interested in parts that are ITextEditors.
 */
public class PartListener implements IPartListener {

    private final TrackingEventManager trackingEventManager;

    PartListener(TrackingEventManager trackingEventManager) {
        this.trackingEventManager = trackingEventManager;
    }

    @Override
    public void partOpened(IWorkbenchPart part) {
        if (part instanceof ITextEditor) {
            ITextEditor editor = (ITextEditor) part;
            new EditorListener(editor);

            try {
                ResourceAndResourceDeltaVisitor visitor = new ResourceAndResourceDeltaVisitor(trackingEventManager, new HashMap<>(), true);
                WatchDogUtils.getFile(editor).accept(visitor);
            } catch (IllegalArgumentException | CoreException ignored) {
            }
        }
    }

    @Override
    public void partDeactivated(IWorkbenchPart part) {
        if (part instanceof ITextEditor) {
            WatchDogEventType.INACTIVE_FOCUS.process(part);
        }
    }

    @Override
    public void partClosed(IWorkbenchPart part) {
        if (part instanceof ITextEditor) {
            WatchDogEventType.INACTIVE_FOCUS.process(part);
        }
    }

    @Override
    public void partBroughtToTop(IWorkbenchPart part) {
    }

    @Override
    public void partActivated(IWorkbenchPart part) {
        if (part instanceof ITextEditor) {
            WatchDogEventType.ACTIVE_FOCUS.process(part);
        }
    }

}