| Advice on creating a special Type Dialog [message #284533] |
Wed, 27 April 2005 04:06 |
Eclipse User |
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I have what I thought was a simple problem, I should have known better...
I am writing a plugin to edit a configuration file for some software. The
config file has places where a Java type must be specified. This type
would exist in a project in the Workspace. I have 2 scenarios, one where
the type must implement a specifc interface and another where it must
extend a specific base class.
In my editor I create a TypeSelectionDialog using an IJavaSearchScope:
IJavaSearchScope scope = SearchEngine.createHierarchyScope(jType);
SelectionDialog dialog = JavaUI.createTypeDialog(shell,
PlatformUI.getWorkbench().getProgressService(),
scope,
IJavaElementSearchConstants.CONSIDER_CLASSES,
false,
"*");
In the code above, when jType is an abstract class this gives a dialog
with the subtypes and supertypes - so java.lang.Object is listed. This
would be invalid [for my requirements] as it is a supertype.
Similarly, if my Interface has a type hierarchy then the super interfaces
are also listed.
It would also be nice if abstract classes were not listed.
After much searching through Eclipse I still can't find the answer. I
found a promising type, org.eclipse.jdt.core.ITypeHierarchy, but the only
implementation is in an internal package and it isn't trivial.
Can anybody help?
Regards,
Tim.
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