From e89ffc1cc2b7d3c28358b6d1363aced99ae2756c Mon Sep 17 00:00:00 2001
From: Alexander Lobas <Alexander.Lobas@jetbrains.com>
Date: Thu, 27 Mar 2025 21:36:55 +0100
Subject: [PATCH] IJPL-171936 IllegalStateException occurs and Settings doesn't
 open on selecting 'Configure Gutter Icons' options in Remote Development mode

GitOrigin-RevId: fea22ff451fc5cad10a4d5c2668478852dfdca36
---
 .../com/intellij/openapi/options/Configurable.java    |  5 +++++
 .../com/intellij/ide/actions/ShowSettingsUtilImpl.kt  |  5 +++--
 .../openapi/options/ex/ConfigurableWrapper.java       | 11 +++++++++++
 3 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/platform/ide-core/src/com/intellij/openapi/options/Configurable.java b/platform/ide-core/src/com/intellij/openapi/options/Configurable.java
index 43b17c53a36c..e6df6c260c8b 100644
--- a/platform/ide-core/src/com/intellij/openapi/options/Configurable.java
+++ b/platform/ide-core/src/com/intellij/openapi/options/Configurable.java
@@ -256,6 +256,11 @@ public interface Configurable extends UnnamedConfigurable {
 
   }
 
+  @ApiStatus.Internal
+  interface ClassCastChecker {
+    <T> boolean tryToCast(@NotNull Class<T> type);
+  }
+
   interface TopComponentController {
     TopComponentController EMPTY = new TopComponentController() {
       @Override
diff --git a/platform/platform-impl/src/com/intellij/ide/actions/ShowSettingsUtilImpl.kt b/platform/platform-impl/src/com/intellij/ide/actions/ShowSettingsUtilImpl.kt
index 7956ca1fdc7b..40c136c7fb74 100644
--- a/platform/platform-impl/src/com/intellij/ide/actions/ShowSettingsUtilImpl.kt
+++ b/platform/platform-impl/src/com/intellij/ide/actions/ShowSettingsUtilImpl.kt
@@ -145,9 +145,10 @@ open class ShowSettingsUtilImpl : ShowSettingsUtil() {
     additionalConfiguration: Consumer<in T>?,
   ) {
     assert(Configurable::class.java.isAssignableFrom(configurableClass)) { "Not a configurable: " + configurableClass.name }
-    showSettingsDialog(project, { it: Configurable? -> ConfigurableWrapper.cast(configurableClass, it) != null }) { it: Configurable ->
+    showSettingsDialog(project, { it: Configurable? -> ConfigurableWrapper.tryToCast(configurableClass, it) }) { it: Configurable ->
       if (additionalConfiguration != null) {
-        val toConfigure = ConfigurableWrapper.cast(configurableClass, it) ?: error("Wrong configurable found: " + it.javaClass)
+        val toConfigure = ConfigurableWrapper.cast(configurableClass, it)
+                          ?: error("Wrong configurable found: " + it.javaClass + " but expected: " + configurableClass)
         additionalConfiguration.accept(toConfigure)
       }
     }
diff --git a/platform/platform-impl/src/com/intellij/openapi/options/ex/ConfigurableWrapper.java b/platform/platform-impl/src/com/intellij/openapi/options/ex/ConfigurableWrapper.java
index a1f8bc82483c..3e0a7b7da16a 100644
--- a/platform/platform-impl/src/com/intellij/openapi/options/ex/ConfigurableWrapper.java
+++ b/platform/platform-impl/src/com/intellij/openapi/options/ex/ConfigurableWrapper.java
@@ -91,6 +91,17 @@ public class ConfigurableWrapper implements SearchableConfigurable, Weighted, Hi
     }
   }
 
+  @ApiStatus.Internal
+  public static <T> boolean tryToCast(@NotNull Class<T> type, @Nullable UnnamedConfigurable configurable) {
+    if (cast(type, configurable) != null) {
+      return true;
+    }
+    if (configurable instanceof ClassCastChecker checker) {
+      return checker.tryToCast(type);
+    }
+    return false;
+  }
+
   public static @Nullable <T> T cast(@NotNull Class<T> type, @Nullable UnnamedConfigurable configurable) {
     if (configurable instanceof ConfigurableWrapper wrapper) {
       if (wrapper.myConfigurable == null) {