ProblemImageProvider


1   /*******************************************************************************
2    * Copyright (c) 2000, 2005 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.ui.internal.ide;
12  
13  import org.eclipse.core.resources.IMarker;
14  import org.eclipse.core.runtime.CoreException;
15  
16  /**
17   * Implementation of IMarkerImageProvider to provide the image
18   * path names for problem markers.
19   */
20  public class ProblemImageProvider implements IMarkerImageProvider {
21      /**
22       * TaskImageProvider constructor comment.
23       */
24      public ProblemImageProvider() {
25          super();
26      }
27  
28      /**
29       * Returns the relative path for the image
30       * to be used for displaying an marker in the workbench.
31       * This path is relative to the plugin location
32       *
33       * Returns <code>null</code> if there is no appropriate image.
34       *
35       * @param marker The marker to get an image path for.
36       *
37       */
38      public String   getImagePath(IMarker marker) {
39          String   iconPath = "/icons/full/";//$NON-NLS-1$      
40          if (isMarkerType(marker, IMarker.PROBLEM)) {
41              switch (marker.getAttribute(IMarker.SEVERITY,
42                      IMarker.SEVERITY_WARNING)) {
43              case IMarker.SEVERITY_ERROR:
44                  return iconPath + "obj16/error_tsk.gif";//$NON-NLS-1$
45              case IMarker.SEVERITY_WARNING:
46                  return iconPath + "obj16/warn_tsk.gif";//$NON-NLS-1$
47              case IMarker.SEVERITY_INFO:
48                  return iconPath + "obj16/info_tsk.gif";//$NON-NLS-1$
49              }
50          }
51          return null;
52      }
53  
54      /**
55       * Returns whether the given marker is of the given type (either directly or indirectly).
56       */
57      private boolean isMarkerType(IMarker marker, String   type) {
58          try {
59              return marker.isSubtypeOf(type);
60          } catch (CoreException e) {
61              return false;
62          }
63      }
64  }
65
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