You can associate a specific editor to open with a resource. If you link a WorkSpace resource to an editor, when you select the editor, the resource is selected in the WorkSpace Navigator. Conversely, when you select the resource in the WorkSpace Navigator, the editor selected.
To specify an editor with a resource:
Select the resource in the WorkSpace Navigator and do one of the following:
Right-click and select Open With|<editor name> from the context menu.
Click Link with Editor
in the Workspace Navigator toolbar.