Add internal action to toggle analysis mode

^KT-32562 Fixed

idea/resources/META-INF/plugin-common.xml

@@ -149,6 +149,9 @@
         <action id="StoredExceptionsThrowToggleAction" class="org.jetbrains.kotlin.idea.actions.internal.StoredExceptionsThrowToggleAction"
                 text="Throw cached PCE"/>
 
+        <action id="MultiplatformCompositeAnalysisToggleAction" class="org.jetbrains.kotlin.idea.actions.internal.MultiplatformCompositeAnalysisToggleAction"
+                text="Toggle Composite Analysis"/>
+
         <action id="CopyAsDiagnosticTest" class="org.jetbrains.kotlin.idea.actions.internal.CopyAsDiagnosticTestAction"
                 text="Copy Current File As Diagnostic Test"/>
 

idea/src/org/jetbrains/kotlin/idea/actions/internal/MultiplatformCompositeAnalysisModeToggleAction.kt

@@ -0,0 +1,25 @@
+/*
+ * Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * 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.actions.internal
+
+import com.intellij.openapi.actionSystem.AnActionEvent
+import com.intellij.openapi.actionSystem.ToggleAction
+import org.jetbrains.kotlin.idea.project.KotlinMultiplatformAnalysisModeComponent
+import org.jetbrains.kotlin.idea.project.KotlinMultiplatformAnalysisModeComponent.Mode
+import org.jetbrains.kotlin.idea.project.useCompositeAnalysis
+
+class MultiplatformCompositeAnalysisToggleAction :
+    ToggleAction("Toggle composite analysis mode for multiplatform", "Analyse modules with different platforms together", null) {
+
+    override fun isSelected(e: AnActionEvent): Boolean = e.project?.useCompositeAnalysis == true
+
+    override fun setSelected(e: AnActionEvent, state: Boolean) {
+        KotlinMultiplatformAnalysisModeComponent.setMode(
+            e.project ?: return,
+            if (state) Mode.COMPOSITE else Mode.SEPARATE
+        )
+    }
+}