Show notification that gradle project is needed to be imported to get code insight for kotlin scripts

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptConfigurationManager.kt

@@ -92,6 +92,11 @@ interface ScriptConfigurationManager {
      */
     fun hasConfiguration(file: KtFile): Boolean
 
+    /**
+     * returns true when there is no configuration and highlighting should be suspended
+     */
+    fun isConfigurationLoadingInProgress(file: KtFile): Boolean
+
     /**
      * See [ScriptConfigurationUpdater].
      */

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/ScriptTrafficLightRendererContributor.kt

@@ -30,10 +30,7 @@ class ScriptTrafficLightRendererContributor : TrafficLightRendererContributor {
             if (!ScriptDefinitionsManager.getInstance(file.project).isReady()) {
                 status.reasonWhySuspended = KotlinIdeaCoreBundle.message("text.loading.kotlin.script.definitions")
                 status.errorAnalyzingFinished = false
-            } else if (
-                !ScriptConfigurationManager.getInstance(project).hasConfiguration(file)
-                && !ScriptConfigurationManager.isManualConfigurationLoading(file.originalFile.virtualFile)
-            ) {
+             } else if (ScriptConfigurationManager.getInstance(project).isConfigurationLoadingInProgress(file)) {
                 status.reasonWhySuspended = KotlinIdeaCoreBundle.message("text.loading.kotlin.script.configuration")
                 status.errorAnalyzingFinished = false
             }

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/CompositeScriptConfigurationManager.kt

@@ -55,6 +55,9 @@ class CompositeScriptConfigurationManager(val project: Project) : ScriptConfigur
     override fun hasConfiguration(file: KtFile): Boolean =
         getRelatedManager(file).hasCachedConfiguration(file)
 
+    override fun isConfigurationLoadingInProgress(file: KtFile): Boolean =
+        getRelatedManager(file).isConfigurationLoadingInProgress(file)
+
     override val updater: ScriptConfigurationUpdater
         get() = object : ScriptConfigurationUpdater {
             override fun ensureUpToDatedConfigurationSuggested(file: KtFile) =

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/DefaultScriptingSupport.kt

@@ -314,6 +314,10 @@ abstract class DefaultScriptingSupportBase(val project: Project) : ScriptingSupp
     override fun hasCachedConfiguration(file: KtFile): Boolean =
         getAppliedConfiguration(file.originalFile.virtualFile) != null
 
+    override fun isConfigurationLoadingInProgress(file: KtFile): Boolean {
+        return !hasCachedConfiguration(file) && !ScriptConfigurationManager.isManualConfigurationLoading(file.originalFile.virtualFile)
+    }
+
     override fun getOrLoadConfiguration(
         virtualFile: VirtualFile,
         preloadedKtFile: KtFile?

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/configuration/ScriptingSupport.kt

@@ -34,6 +34,7 @@ abstract class ScriptingSupport {
 
     abstract fun clearCaches()
     abstract fun hasCachedConfiguration(file: KtFile): Boolean
+    abstract fun isConfigurationLoadingInProgress(file: KtFile): Boolean
     abstract fun getOrLoadConfiguration(virtualFile: VirtualFile, preloadedKtFile: KtFile? = null): ScriptCompilationConfigurationWrapper?
 
     abstract val updater: ScriptConfigurationUpdater