/*****************************************************************************
 * Copyright (c) 2011 CEA LIST.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *
 *		CEA LIST - Initial API and implementation
 *
 *****************************************************************************/
package org.eclipse.papyrus.gmf.diagram.common.provider;

import java.util.Arrays;
import java.util.Map;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.EditPart;
import org.eclipse.gmf.runtime.diagram.ui.parts.DiagramEditor;
import org.eclipse.gmf.runtime.emf.ui.providers.marker.AbstractModelMarkerNavigationProvider;
import org.eclipse.papyrus.sysml.diagram.common.Activator;

/**
 * Non diagram-specific class generated by GMF Tooling.
 */
public class MarkerNavigationProvider extends AbstractModelMarkerNavigationProvider {

	public static final String MARKER_TYPE = Activator.PLUGIN_ID + ".diagnostic"; //$NON-NLS-1$

	/**
	 * {@inheritDoc}
	 */
	@Override
	protected void doGotoMarker(IMarker marker) {
		String elementId = marker.getAttribute(org.eclipse.gmf.runtime.common.core.resources.IMarker.ELEMENT_ID, null);
		if (elementId == null || !(getEditor() instanceof DiagramEditor)) {
			return;
		}
		DiagramEditor editor = (DiagramEditor) getEditor();
		Map editPartRegistry = editor.getDiagramGraphicalViewer().getEditPartRegistry();
		EObject targetView = editor.getDiagram().eResource().getEObject(elementId);
		if (targetView == null) {
			return;
		}
		EditPart targetEditPart = (EditPart) editPartRegistry.get(targetView);
		if (targetEditPart != null) {
			DiagramEditorUtil.selectElementsInDiagram(editor, Arrays.asList(new EditPart[] { targetEditPart }));
		}
	}

	/**
	 * {@inheritDoc}
	 */
	public static void deleteMarkers(IResource resource) {
		try {
			resource.deleteMarkers(MARKER_TYPE, true, IResource.DEPTH_ZERO);
		} catch (CoreException e) {
			Activator.log.error("Failed to delete validation markers", e); //$NON-NLS-1$
		}
	}

	/**
	 * {@inheritDoc}
	 */
	public static IMarker addMarker(IFile file, String elementId, String location, String message, int statusSeverity) {
		IMarker marker = null;
		try {
			marker = file.createMarker(MARKER_TYPE);
			marker.setAttribute(IMarker.MESSAGE, message);
			marker.setAttribute(IMarker.LOCATION, location);
			marker.setAttribute(org.eclipse.gmf.runtime.common.core.resources.IMarker.ELEMENT_ID, elementId);
			int markerSeverity = IMarker.SEVERITY_INFO;
			if (statusSeverity == IStatus.WARNING) {
				markerSeverity = IMarker.SEVERITY_WARNING;
			} else if (statusSeverity == IStatus.ERROR || statusSeverity == IStatus.CANCEL) {
				markerSeverity = IMarker.SEVERITY_ERROR;
			}
			marker.setAttribute(IMarker.SEVERITY, markerSeverity);
		} catch (CoreException e) {
			Activator.log.error("Failed to create validation marker", e); //$NON-NLS-1$
		}
		return marker;
	}
}