CeylonEditorInputPropertyTester.java

package com.redhat.ceylon.eclipse.code.preferences;

import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.core.resources.IFile;
import org.eclipse.ui.IEditorInput;

public class CeylonEditorInputPropertyTester extends PropertyTester {

    @Override
    public boolean test(Object receiver, String property, Object[] args,
            Object expectedValue) {
        IEditorInput input = (IEditorInput) receiver;
        IFile file = (IFile) input.getAdapter(IFile.class);
        if (file==null) {
            return false;
        }
        else {
            return new CeylonFilePropertyTester()
                .test(file, property, args, expectedValue);
        }
    }

}