IDEA-CR-29566 Create method from Java to Groovy (IDEA-186327)

plugins/groovy/src/org/jetbrains/plugins/groovy/annotator/intentions/elements/CreateMethodAction.kt

@@ -39,7 +39,7 @@ internal class CreateMethodAction(
   override fun getText(): String {
     val what = request.methodName
     val where = getNameForClass(target, false)
-    return if (abstract) {
+    return if (abstract && !target.isInterface) {
       message("create.abstract.method.from.usage.full.text", what, where)
     }
     else {

plugins/groovy/src/org/jetbrains/plugins/groovy/annotator/intentions/elements/templates.kt

@@ -2,10 +2,10 @@
 package org.jetbrains.plugins.groovy.annotator.intentions.elements
 
 import com.intellij.openapi.util.Computable
-import com.intellij.psi.PsiParameter
 import com.intellij.psi.PsiType
 import com.intellij.psi.impl.source.PostprocessReformattingAspect
 import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElementFactory
+import org.jetbrains.plugins.groovy.lang.psi.api.statements.params.GrParameter
 import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.members.GrMethod
 import org.jetbrains.plugins.groovy.lang.psi.expectedTypes.TypeConstraint
 import org.jetbrains.plugins.groovy.template.expressions.ChooseTypeExpression
@@ -28,7 +28,7 @@ internal fun setupParameters(method: GrMethod, parameters: ExpectedParameters):
     val dummyParameter = factory.createParameter(names.first(), PsiType.INT)
     postprocessReformattingAspect.postponeFormattingInside(Computable {
       parameterList.add(dummyParameter)
-    }) as PsiParameter
+    }) as GrParameter
 
     paramTypesExpressions += setupTypeElement(method, createConstraints(project, parameterInfo.second))
   }

plugins/groovy/test/org/jetbrains/plugins/groovy/fixes/CreateMethodFromJavaUsageTest.groovy

@@ -67,7 +67,7 @@ class CreateMethodFromJavaUsageTest extends GrHighlightingTestBase {
   }
 
   void testAbstractInInterface() {
-    doTest(CREATE_ABSTRACT_METHOD)
+    doTest()
   }
 
   void testArrayParam() {