KT-36801 Added forgotten changes for 192 platform

#KT-39989 Fixed

idea/src/org/jetbrains/kotlin/idea/compiler/configuration/KotlinCompilerConfigurableTab.java.192

@@ -9,10 +9,10 @@ import com.intellij.icons.AllIcons;
 import com.intellij.openapi.application.ApplicationManager;
 import com.intellij.openapi.fileChooser.FileChooserDescriptor;
 import com.intellij.openapi.module.ModuleManager;
-import com.intellij.openapi.options.Configurable;
 import com.intellij.openapi.options.ConfigurationException;
 import com.intellij.openapi.options.SearchableConfigurable;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.ui.ComboBox;
 import com.intellij.openapi.ui.TextComponentAccessor;
 import com.intellij.openapi.ui.TextFieldWithBrowseButton;
 import com.intellij.openapi.util.text.StringUtil;
@@ -33,9 +33,8 @@ import org.jetbrains.kotlin.cli.common.arguments.K2JSCompilerArguments;
 import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments;
 import org.jetbrains.kotlin.cli.common.arguments.K2JsArgumentConstants;
 import org.jetbrains.kotlin.config.*;
-import org.jetbrains.kotlin.idea.PluginStartupComponent;
-import org.jetbrains.kotlin.idea.configuration.ProjectUtilsKt;
 import org.jetbrains.kotlin.idea.KotlinBundle;
+import org.jetbrains.kotlin.idea.PluginStartupComponent;
 import org.jetbrains.kotlin.idea.facet.DescriptionListCellRenderer;
 import org.jetbrains.kotlin.idea.facet.KotlinFacet;
 import org.jetbrains.kotlin.idea.roots.RootUtilsKt;
@@ -43,12 +42,11 @@ import org.jetbrains.kotlin.idea.util.CidrUtil;
 import org.jetbrains.kotlin.idea.util.application.ApplicationUtilsKt;
 import org.jetbrains.kotlin.platform.IdePlatformKind;
 import org.jetbrains.kotlin.platform.PlatformUtilKt;
+import org.jetbrains.kotlin.platform.TargetPlatform;
 import org.jetbrains.kotlin.platform.impl.JsIdePlatformUtil;
 import org.jetbrains.kotlin.platform.impl.JvmIdePlatformKind;
 import org.jetbrains.kotlin.platform.impl.JvmIdePlatformUtil;
-import org.jetbrains.kotlin.config.JvmTarget;
 import org.jetbrains.kotlin.platform.jvm.JdkPlatform;
-import org.jetbrains.kotlin.platform.TargetPlatform;
 
 import javax.swing.*;
 import java.util.*;
@@ -327,7 +325,8 @@ public class KotlinCompilerConfigurableTab implements SearchableConfigurable {
         return VersionComparatorUtil.compare(version.getVersionString(), upperBound.getVersionString()) <= 0;
     }
 
-    public void onLanguageLevelChanged(VersionView languageLevel) {
+    public void onLanguageLevelChanged(@Nullable VersionView languageLevel) {
+        if (languageLevel == null) return;
         restrictAPIVersions(languageLevel);
         coroutinesPanel.setVisible(languageLevel.getVersion().compareTo(LanguageVersion.KOTLIN_1_3) < 0);
     }
@@ -585,9 +584,9 @@ public class KotlinCompilerConfigurableTab implements SearchableConfigurable {
     @Override
     public void reset() {
         reportWarningsCheckBox.setSelected(!commonCompilerArguments.getSuppressWarnings());
-        languageVersionComboBox.setSelectedItem(KotlinFacetSettingsKt.getLanguageVersionView(commonCompilerArguments));
+        setSelectedItem(languageVersionComboBox, KotlinFacetSettingsKt.getLanguageVersionView(commonCompilerArguments));
-        onLanguageLevelChanged(getSelectedLanguageVersionView());
+        onLanguageLevelChanged((VersionView) languageVersionComboBox.getSelectedItem()); // getSelectedLanguageVersionView() replaces null
-        apiVersionComboBox.setSelectedItem(KotlinFacetSettingsKt.getApiVersionView(commonCompilerArguments));
+        setSelectedItem(apiVersionComboBox, KotlinFacetSettingsKt.getApiVersionView(commonCompilerArguments));
         coroutineSupportComboBox.setSelectedItem(CoroutineSupport.byCompilerArguments(commonCompilerArguments));
         additionalArgsOptionsField.setText(compilerSettings.getAdditionalArguments());
         scriptTemplatesField.setText(compilerSettings.getScriptTemplates());
@@ -613,6 +612,15 @@ public class KotlinCompilerConfigurableTab implements SearchableConfigurable {
         jvmVersionComboBox.setSelectedItem(getJvmVersionOrDefault(k2jvmCompilerArguments.getJvmTarget()));
     }
 
+    private static void setSelectedItem(JComboBox<VersionView> comboBox, VersionView versionView) {
+        // Imported projects might have outdated language/api versions - we display them as well (see createVersionValidator() for details)
+        int index = ((DefaultComboBoxModel<VersionView>) comboBox.getModel()).getIndexOf(versionView);
+        if (index == -1)
+            comboBox.addItem(versionView);
+
+        comboBox.setSelectedItem(versionView);
+    }
+
     @Override
     public void disposeUIResources() {
     }
@@ -727,6 +735,10 @@ public class KotlinCompilerConfigurableTab implements SearchableConfigurable {
     }
 
     private void createUIComponents() {
+        // Explicit use of DefaultComboBoxModel guarantees that setSelectedItem() can make safe cast.
+        languageVersionComboBox = new ComboBox<>(new DefaultComboBoxModel<>());
+        apiVersionComboBox = new ComboBox<>(new DefaultComboBoxModel<>());
+
         // Workaround: ThreeStateCheckBox doesn't send suitable notification on state change
         // TODO: replace with PropertyChangerListener after fix is available in IDEA
         copyRuntimeFilesCheckBox = new ThreeStateCheckBox() {