Description rolarenfan 2002-01-10 13:32:00 EST

build 137 

org.eclipse.core.resources.IMarker

compare bug 7244, item "d)" and the thread "(New) Question on deleting 
(in)complete tasks..." on the newsgroup eclipse.tools

I programmatically create a new Task (per the code in "Mark My Words" at 
www.eclipse.org/articles), and it shows up in the Tasks View, it is not a 
compiler error or anything like that, but is something which a user might wish 
to delete.

But even if I programmatically mark it as completed, there is no way for the 
user to delete it: that Task's context-menu item "Delete" is never enabled, and 
there is no user interface (that I can find) for marking the Task as completed.

Here is some xml and code, from my plugin "LineCounter1": 

<extension
      id="counter"
      name="counter"
      point="org.eclipse.core.resources.markers">
   <super
         type="org.eclipse.core.resources.problemmarker">
   </super>
   <transient
         value="false">
   </transient>
</extension>

=========================================================================

    public void setActiveEditor(IAction arg0, IEditorPart edPart) {
        this.edPart = edPart;
        IEditorInput iei = (IEditorInput) this.edPart.getEditorInput();
        if (iei instanceof IFileEditorInput) {
            try {
                IFile ifile = ((IFileEditorInput) iei).getFile();
                // clear out any old ones
                IMarker[] markers =
                    ifile.findMarkers(COUNT_TYPE, true, 
                                      IResource.DEPTH_INFINITE);
                for (int i = 0; i < markers.length; ++i) {
                    if ((null == this.marker) || 
                        (this.marker.getId() != markers[i].getId())) {
                        markers[i].delete();
                    }
                }
                if (null == this.marker || !this.marker.exists()) {
                    this.marker = ifile.createMarker(COUNT_TYPE);
                    this.marker.setAttribute(IMarker.DONE, true);
                    // so user can delete if desired -- @@ FAILS @@ 
                }
            }
            catch (CoreException ce) {
                ce.printStackTrace();
            }
        }
        else {
            System.out.println(
                "setActiveEditor(): IEditorInput is a " + iei.getClass());
        }
    } // end setActiveEditor() 

    private IEditorPart edPart;
    private IMarker marker;
    private static final String COUNT_TYPE = "LineCounter1.counter";