as31: Revert "Quickfix to enable coroutine support works in Maven projects"

This reverts commit 7346fee513.

idea/idea-jvm/src/org/jetbrains/kotlin/idea/quickfix/ChangeCoroutineSupportFix.kt.as31

@@ -0,0 +1,100 @@
+/*
+ * Copyright 2000-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.idea.quickfix
+
+import com.intellij.codeInsight.intention.IntentionAction
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.module.ModuleUtilCore
+import com.intellij.openapi.project.Project
+import com.intellij.openapi.roots.ex.ProjectRootManagerEx
+import com.intellij.psi.PsiElement
+import org.jetbrains.kotlin.cli.common.arguments.CommonCompilerArguments
+import org.jetbrains.kotlin.config.LanguageFeature
+import org.jetbrains.kotlin.diagnostics.Diagnostic
+import org.jetbrains.kotlin.diagnostics.Errors
+import org.jetbrains.kotlin.idea.compiler.configuration.KotlinCommonCompilerArgumentsHolder
+import org.jetbrains.kotlin.idea.configuration.BuildSystemType
+import org.jetbrains.kotlin.idea.configuration.findApplicableConfigurator
+import org.jetbrains.kotlin.idea.configuration.getBuildSystemType
+import org.jetbrains.kotlin.idea.facet.KotlinFacet
+
+import org.jetbrains.kotlin.psi.KtFile
+
+sealed class ChangeCoroutineSupportFix(
+        element: PsiElement,
+        protected val coroutineSupport: LanguageFeature.State
+) : KotlinQuickFixAction<PsiElement>(element) {
+    protected val coroutineSupportEnabled: Boolean
+            get() = coroutineSupport == LanguageFeature.State.ENABLED || coroutineSupport == LanguageFeature.State.ENABLED_WITH_WARNING
+
+    class InModule(element: PsiElement, coroutineSupport: LanguageFeature.State) : ChangeCoroutineSupportFix(element, coroutineSupport) {
+        override fun getText() = "${super.getText()} in the current module"
+
+        override fun invoke(project: Project, editor: Editor?, file: KtFile) {
+            val module = ModuleUtilCore.findModuleForPsiElement(file) ?: return
+
+            findApplicableConfigurator(module).changeCoroutineConfiguration(module, coroutineSupport)
+        }
+    }
+
+    class InProject(element: PsiElement, coroutineSupport: LanguageFeature.State) : ChangeCoroutineSupportFix(element, coroutineSupport) {
+        override fun getText() = "${super.getText()} in the project"
+
+        override fun invoke(project: Project, editor: Editor?, file: KtFile) {
+            if (coroutineSupportEnabled) {
+                if (!checkUpdateRuntime(project, LanguageFeature.Coroutines.sinceApiVersion)) return
+            }
+
+            KotlinCommonCompilerArgumentsHolder.getInstance(project).update {
+                coroutinesState = when (coroutineSupport) {
+                    LanguageFeature.State.ENABLED -> CommonCompilerArguments.ENABLE
+                    LanguageFeature.State.ENABLED_WITH_WARNING -> CommonCompilerArguments.WARN
+                    LanguageFeature.State.ENABLED_WITH_ERROR, LanguageFeature.State.DISABLED -> CommonCompilerArguments.ERROR
+                }
+            }
+            ProjectRootManagerEx.getInstanceEx(project).makeRootsChange({}, false, true)
+        }
+
+    }
+
+    override fun getFamilyName() = "Enable/Disable coroutine support"
+
+    override fun getText(): String {
+        return getFixText(coroutineSupport)
+    }
+
+    companion object : KotlinIntentionActionsFactory() {
+        fun getFixText(state: LanguageFeature.State): String {
+            return when (state) {
+                LanguageFeature.State.ENABLED -> "Enable coroutine support"
+                LanguageFeature.State.ENABLED_WITH_WARNING -> "Enable coroutine support (with warning)"
+                LanguageFeature.State.ENABLED_WITH_ERROR, LanguageFeature.State.DISABLED -> "Disable coroutine support"
+            }
+        }
+
+        override fun doCreateActions(diagnostic: Diagnostic): List<IntentionAction> {
+            val newCoroutineSupports = when (diagnostic.factory) {
+                Errors.EXPERIMENTAL_FEATURE_ERROR -> {
+                    if (Errors.EXPERIMENTAL_FEATURE_ERROR.cast(diagnostic).a.first != LanguageFeature.Coroutines) return emptyList()
+                    listOf(LanguageFeature.State.ENABLED_WITH_WARNING, LanguageFeature.State.ENABLED)
+                }
+                Errors.EXPERIMENTAL_FEATURE_WARNING -> {
+                    if (Errors.EXPERIMENTAL_FEATURE_WARNING.cast(diagnostic).a.first != LanguageFeature.Coroutines) return emptyList()
+                    listOf(LanguageFeature.State.ENABLED, LanguageFeature.State.ENABLED_WITH_ERROR)
+                }
+                else -> return emptyList()
+            }
+            val module = ModuleUtilCore.findModuleForPsiElement(diagnostic.psiElement) ?: return emptyList()
+            val facetSettings = KotlinFacet.get(module)?.configuration?.settings
+
+            val configureInProject = (facetSettings == null || facetSettings.useProjectSettings) &&
+                                     module.getBuildSystemType() == BuildSystemType.JPS
+            val quickFixConstructor: (PsiElement, LanguageFeature.State) -> ChangeCoroutineSupportFix =
+                    if (configureInProject) ::InProject else ::InModule
+            return newCoroutineSupports.map { quickFixConstructor(diagnostic.psiElement, it) }
+        }
+    }
+}