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
});
		PlatformUI.getWorkbench().getWorkingSetManager()
				.addPropertyChangeListener(getWorkingSetListener());
		registerContextMenu();
	}
	/**
	 * Turn off all filters in the builder.
	 */
	void disableAllFilters() {
		builder.disableAllFilters();
	}
	public void dispose() {
		super.dispose();
		updateJob.cancel();
		instanceCount--;
		if (clipboard != null)
			clipboard.dispose();
		IDEWorkbenchPlugin.getDefault().getPreferenceStore()
				.removePropertyChangeListener(preferenceListener);
		getSite().getPage().removePostSelectionListener(pageSelectionListener);
		getSite().getPage().removePartListener(partListener);
		PlatformUI.getWorkbench().getWorkingSetManager()
				.removePropertyChangeListener(workingSetListener);
	}
	/**
	 * Return all of the marker items in the receiver that are concrete.
	 * 
	 * @return MarkerSupportItem[]
	 */
	MarkerSupportItem[] getAllConcreteItems() {