Bug 127695 [build path] can't change native library location for project
20060214-0010 1. create 2 new projects 2. open project properties of first project, build path page 3. go to 'Projects' tab, add the other project 4. expand the node, select 'native library' 5. press 'Edit', nothing happens
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/ProjectsWorkbookPage.java
}
	protected void projectPageKeyPressed(TreeListDialogField field, KeyEvent event) {
		if (field == fProjectsList) {
			if (event.character == SWT.DEL && event.stateMask == 0) {
				List selection= field.getSelectedElements();
				if (canRemove(selection)) {
					removeEntry();
				}
			}
		}	
	}
	
	private void projectPageDialogFieldChanged(DialogField field) {
		if (fCurrJProject != null) {
			
			updateClasspathList();
		}
	}
	
	private void projectPageSelectionChanged(DialogField field) {
		List selElements= fProjectsList.getSelectedElements();
		fProjectsList.enableButton(IDX_EDIT, canEdit(selElements));
		fProjectsList.enableButton(IDX_REMOVE, canRemove(selElements));
		
		boolean noAttributes= containsOnlyTopLevelEntries(selElements);
		fProjectsList.enableButton(IDX_ADDPROJECT, noAttributes);
	}
	
}