/*******************************************************************************
 * Copyright (c) 2001, 2007 IBM Corporation and others.
 * 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:
 *     IBM Corporation - initial API and implementation
 *     Jens Lukowski/Innoopract - initial renaming/restructuring
 *     
 *******************************************************************************/
package org.eclipse.wst.sse.ui.internal;

import org.eclipse.core.resources.IMarker;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.Position;
import org.eclipse.ui.texteditor.MarkerAnnotation;
import org.eclipse.ui.texteditor.MarkerUtilities;
import org.eclipse.ui.texteditor.ResourceMarkerAnnotationModel;
import org.eclipse.wst.sse.ui.internal.provisional.extensions.breakpoint.IBreakpointConstants;


/**
 * Source editor resource marker annotation model implementation
 */
public class StructuredResourceMarkerAnnotationModel extends ResourceMarkerAnnotationModel {
	/**
	 * Loading of markers when working with non-IResources is accomplished by
	 * adding the markers to the workspace root with an additional key, whose
	 * value uses '/' for segment separators when representing paths,
	 * determining whether they're added into the annotation model.
	 * 
	 * Setters of this attribute should use '/'for segment separators when
	 * representing paths.
	 */
	public final static String SECONDARY_ID_KEY = IBreakpointConstants.RESOURCE_PATH;
	
	protected IResource fMarkerResource;
	protected String fSecondaryMarkerAttributeValue;

	/**
	 * Constructor
	 * 
	 * @param resource
	 */
	public StructuredResourceMarkerAnnotationModel(IResource resource) {
		super(resource);
		fMarkerResource = resource;
	}

	public StructuredResourceMarkerAnnotationModel(IResource resource, String secondaryID) {
		super(resource);
		fMarkerResource = resource;
		fSecondaryMarkerAttributeValue = secondaryID;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.texteditor.AbstractMarkerAnnotationModel#createMarkerAnnotation(org.eclipse.core.resources.IMarker)
	 */
	protected MarkerAnnotation createMarkerAnnotation(IMarker marker) {
		/*
		 * We need to do some special processing if marker is a validation
		 * (aka problem) marker or if marker is a breakpoint marker so create
		 * a special marker annotation for those markers. Otherwise, use
		 * default.
		 */
		if (MarkerUtilities.isMarkerType(marker, IMarker.PROBLEM)) {
			return new StructuredMarkerAnnotation(marker);
		}
		return super.createMarkerAnnotation(marker);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.texteditor.AbstractMarkerAnnotationModel#getMarkerPosition(org.eclipse.core.resources.IMarker)
	 */
	public Position getMarkerPosition(IMarker marker) {
		Position pos = super.getMarkerPosition(marker);

		// if ((pos == null || pos.getLength() == 0) && marker.getType() ==
		// IInternalDebugUIConstants.ANN_INSTR_POINTER_CURRENT) {
		if (pos == null || pos.getLength() == 0) {
			// We probably should create position from marker if marker
			// attributes specify a valid position
			pos = createPositionFromMarker(marker);
		}

		return pos;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.ui.texteditor.AbstractMarkerAnnotationModel#isAcceptable(org.eclipse.core.resources.IMarker)
	 */
	protected boolean isAcceptable(IMarker marker) {
		try {
			Object attr = marker.getAttribute(IBreakpointConstants.ATTR_HIDDEN);
			if (attr != null && Boolean.TRUE.equals(attr))
				return false;
		}
		catch (CoreException e) {
			// ignore
		}

		if (fSecondaryMarkerAttributeValue == null)
			return super.isAcceptable(marker);
		String markerSecondaryMarkerAttributeValue = marker.getAttribute(SECONDARY_ID_KEY, ""); //$NON-NLS-1$
		boolean isSameFile = fSecondaryMarkerAttributeValue.equalsIgnoreCase(markerSecondaryMarkerAttributeValue);
		return super.isAcceptable(marker) && isSameFile;
	}

}