Misc: Use KtToken to represent visibility in ExtractableCodeDescriptor

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/extractFunction/ui/KotlinExtractFunctionDialog.java

@@ -35,6 +35,7 @@ import org.jetbrains.kotlin.idea.refactoring.KotlinRefactoringUtilKt;
 import org.jetbrains.kotlin.idea.refactoring.introduce.extractionEngine.*;
 import org.jetbrains.kotlin.idea.refactoring.introduce.ui.KotlinSignatureComponent;
 import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers;
+import org.jetbrains.kotlin.lexer.KtModifierKeywordToken;
 import org.jetbrains.kotlin.lexer.KtTokens;
 import org.jetbrains.kotlin.psi.psiUtil.KtPsiUtilKt;
 import org.jetbrains.kotlin.types.KotlinType;
@@ -94,11 +95,12 @@ public class KotlinExtractFunctionDialog extends DialogWrapper {
         return KtPsiUtilKt.quoteIfNeeded(functionNameField.getEnteredName());
     }
 
-    private String getVisibility() {
-        if (!isVisibilitySectionAvailable()) return "";
+    @Nullable
+    private KtModifierKeywordToken getVisibility() {
+        if (!isVisibilitySectionAvailable()) return null;
 
-        String value = (String) visibilityBox.getSelectedItem();
-        return KtTokens.PUBLIC_KEYWORD.getValue().equals(value) ? "" : value;
+        KtModifierKeywordToken value = (KtModifierKeywordToken) visibilityBox.getSelectedItem();
+        return KtTokens.DEFAULT_VISIBILITY_KEYWORD.equals(value) ? null : value;
     }
 
     private boolean checkNames() {
@@ -174,12 +176,14 @@ public class KotlinExtractFunctionDialog extends DialogWrapper {
             returnTypePanel.getParent().remove(returnTypePanel);
         }
 
+        visibilityBox.setModel(new DefaultComboBoxModel(KtTokens.VISIBILITY_MODIFIERS.getTypes()));
+
         boolean enableVisibility = isVisibilitySectionAvailable();
         visibilityBox.setEnabled(enableVisibility);
         if (enableVisibility) {
-            String defaultVisibility = extractableCodeDescriptor.getVisibility();
-            if (defaultVisibility.isEmpty()) {
-                defaultVisibility = KtTokens.PUBLIC_KEYWORD.getValue();
+            KtModifierKeywordToken defaultVisibility = extractableCodeDescriptor.getVisibility();
+            if (defaultVisibility != null) {
+                defaultVisibility = KtTokens.DEFAULT_VISIBILITY_KEYWORD;
             }
             visibilityBox.setSelectedItem(defaultVisibility);
         }
@@ -275,7 +279,7 @@ public class KotlinExtractFunctionDialog extends DialogWrapper {
     public static ExtractableCodeDescriptor createNewDescriptor(
             @NotNull ExtractableCodeDescriptor originalDescriptor,
             @NotNull String newName,
-            @NotNull String newVisibility,
+            @Nullable KtModifierKeywordToken newVisibility,
             @Nullable ExtractFunctionParameterTablePanel.ParameterInfo newReceiverInfo,
             @NotNull List<ExtractFunctionParameterTablePanel.ParameterInfo> newParameterInfos,
             @Nullable KotlinType returnType

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/extractionEngine/ExtractableCodeDescriptor.kt

@@ -35,6 +35,7 @@ import org.jetbrains.kotlin.idea.util.approximateFlexibleTypes
 import org.jetbrains.kotlin.idea.util.psi.patternMatching.KotlinPsiRange
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
 import org.jetbrains.kotlin.lexer.KtKeywordToken
+import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.*
@@ -349,7 +350,7 @@ data class ExtractableCodeDescriptor(
         val extractionData: ExtractionData,
         val originalContext: BindingContext,
         val suggestedNames: List<String>,
-        val visibility: String,
+        val visibility: KtModifierKeywordToken?,
         val parameters: List<Parameter>,
         val receiverParameter: Parameter?,
         val typeParameters: List<TypeParameter>,
@@ -364,7 +365,7 @@ data class ExtractableCodeDescriptor(
 
 fun ExtractableCodeDescriptor.copy(
         newName: String,
-        newVisibility: String,
+        newVisibility: KtModifierKeywordToken?,
         oldToNewParameters: Map<Parameter, Parameter>,
         newReceiver: Parameter?,
         returnType: KotlinType?

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/extractionEngine/extractableAnalysisUtil.kt

@@ -56,6 +56,7 @@ import org.jetbrains.kotlin.idea.util.IdeDescriptorRenderers
 import org.jetbrains.kotlin.idea.util.approximateWithResolvableType
 import org.jetbrains.kotlin.idea.util.getResolutionScope
 import org.jetbrains.kotlin.idea.util.isResolvableInScope
+import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.psi.*
 import org.jetbrains.kotlin.psi.psiUtil.*
@@ -613,16 +614,16 @@ fun ExtractionData.isVisibilityApplicable(): Boolean {
     return true
 }
 
-fun ExtractionData.getDefaultVisibility(): String {
-    if (!isVisibilityApplicable()) return ""
+fun ExtractionData.getDefaultVisibility(): KtModifierKeywordToken? {
+    if (!isVisibilityApplicable()) return null
 
     val parent = targetSibling.getStrictParentOfType<KtDeclaration>()
     if (parent is KtClass) {
-        if (parent.isInterface()) return ""
-        if (parent.isEnum() && commonParent.getNonStrictParentOfType<KtEnumEntry>()?.getStrictParentOfType<KtClass>() == parent) return ""
+        if (parent.isInterface()) return null
+        if (parent.isEnum() && commonParent.getNonStrictParentOfType<KtEnumEntry>()?.getStrictParentOfType<KtClass>() == parent) return null
     }
 
-    return "private"
+    return KtTokens.PRIVATE_KEYWORD
 }
 
 fun ExtractionData.performAnalysis(): AnalysisResult {

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/extractionEngine/extractorUtil.kt

@@ -65,7 +65,7 @@ private fun buildSignature(config: ExtractionGeneratorConfiguration, renderer: D
         else -> CallableBuilder.Target.READ_ONLY_PROPERTY
     }
     return CallableBuilder(builderTarget).apply {
-        val visibility = config.descriptor.visibility
+        val visibility = config.descriptor.visibility?.value ?: ""
         val extraModifiers = config.descriptor.modifiers.map { it.value }
         val modifiers = if (visibility.isNotEmpty()) listOf(visibility) + extraModifiers else extraModifiers
         modifier(modifiers.joinToString(separator = " "))

idea/src/org/jetbrains/kotlin/idea/refactoring/introduce/introduceParameter/KotlinIntroduceParameterDialog.kt

@@ -269,7 +269,7 @@ class KotlinIntroduceParameterDialog private constructor(
                             val newDescriptor = KotlinExtractFunctionDialog.createNewDescriptor(
                                     oldDescriptor,
                                     chosenName,
-                                    "",
+                                    null,
                                     parameterTablePanel?.selectedReceiverInfo,
                                     parameterTablePanel?.selectedParameterInfos ?: listOf(),
                                     null