Bug 213504 [Markers] Problems View no longer supports dragging into the Editor Area
I20071218-0800. You used to be able to drag an error into the Editor Area in order to open the associated file. I commonly use the DnD gesture to open a 'problem' but it appears that this isn't working in the new version...
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/views/markers/ExtendedMarkersView.java
private SelectionListener getHeaderListener() {
		return new SelectionAdapter() {
			/**
			 * Handles the case of user selecting the header area.
			 */
			public void widgetSelected(SelectionEvent e) {
				final TreeColumn column = (TreeColumn) e.widget;
				final MarkerField field = (MarkerField) column
						.getData(MARKER_FIELD);
				setPrimarySortField(field, column);
			}
		};
	}
	/**
	 * Return the selection listener for the page selection change.
	 * 
	 * @return ISelectionListener
	 */
	private ISelectionListener getPageSelectionListener() {
		return new ISelectionListener() {
			/**
			 * Get an ITaskListResourceAdapter for use by the default/
			 * 
			 * @return ITaskListResourceAdapter
			 */
			private ITaskListResourceAdapter getDefaultTaskListAdapter() {
				return new ITaskListResourceAdapter() {
					/*
					 * (non-Javadoc)
					 *