/*******************************************************************************
 * 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;
  }

}