Show notification if there are more than one script definition applicable for one script file (KT-24466)

^KT-24466 Fixed

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

@@ -124,6 +124,8 @@ class ScriptDefinitionsManager(private val project: Project) : LazyScriptDefinit
         updateDefinitions()
     }
 
+    fun getAllDefinitions() = currentDefinitions
+
     override fun getDefaultScriptDefinition(): KotlinScriptDefinition {
         return StandardIdeScriptDefinition(project)
     }
@@ -154,6 +156,12 @@ class ScriptDefinitionsManager(private val project: Project) : LazyScriptDefinit
 
         // TODO: clear by script type/definition
         ServiceManager.getService(project, ScriptDependenciesCache::class.java).clear()
+
+        ApplicationManager.getApplication().invokeLater {
+            if (!project.isDisposed) {
+                EditorNotifications.getInstance(project).updateAllNotifications()
+            }
+        }
     }
 
     private fun ScriptDefinitionContributor.safeGetDefinitions(): List<KotlinScriptDefinition> {

idea/idea-core/src/org/jetbrains/kotlin/idea/core/script/settings/KotlinScriptingSettings.kt

@@ -19,6 +19,11 @@ import com.intellij.util.xmlb.XmlSerializerUtil
 class KotlinScriptingSettings : PersistentStateComponent<KotlinScriptingSettings> {
     var isAutoReloadEnabled = false
 
+    /**
+     * true if notification about multiple script definition applicable for one script file is suppressed
+     */
+    var suppressDefinitionsCheck = false
+
     override fun loadState(state: KotlinScriptingSettings) {
         XmlSerializerUtil.copyBean(state, this)
     }