fix(amazonq): change to use withExtensionFilter to hide unallowed files

Author: yzhangok

plugins/amazonq/shared/jetbrains-community/src/software/aws/toolkits/jetbrains/services/amazonq/lsp/AmazonQLanguageClientImpl.kt

@@ -20,6 +20,7 @@ import com.intellij.openapi.vfs.LocalFileSystem
 import com.intellij.openapi.vfs.VfsUtil
 import com.intellij.openapi.vfs.VfsUtilCore
 import com.intellij.openapi.vfs.VirtualFileManager
+import com.intellij.openapi.application.ApplicationInfo
 import migration.software.aws.toolkits.jetbrains.settings.AwsSettings
 import org.eclipse.lsp4j.ConfigurationParams
 import org.eclipse.lsp4j.MessageActionItem
@@ -308,13 +309,30 @@ class AmazonQLanguageClientImpl(private val project: Project) : AmazonQLanguageC
                     if (params.filters.isNotEmpty() && !params.canSelectFolders) {
                         // Create a combined list of all allowed extensions
                         val allowedExtensions = params.filters.values.flatten().toSet()
-
-                        withFileFilter { virtualFile ->
-                            if (virtualFile.isDirectory) {
-                                true // Always allow directories for navigation
-                            } else {
-                                val extension = virtualFile.extension?.lowercase()
-                                extension != null && allowedExtensions.contains(extension)
+                        if (isExtensionFilterSupported()) {
+                            // Use reflection to call withExtensionFilter which is only available in 2024.3+
+                            try {
+                                val method = this.javaClass.getMethod("withExtensionFilter", String::class.java, Array<String>::class.java)
+                                method.invoke(this, "Image", allowedExtensions.toTypedArray())
+                            } catch (e: Exception) {
+                                // Fallback to withFileFilter if reflection fails
+                                withFileFilter { virtualFile ->
+                                    if (virtualFile.isDirectory) {
+                                        true // Always allow directories for navigation
+                                    } else {
+                                        val extension = virtualFile.extension?.lowercase()
+                                        extension != null && allowedExtensions.contains(extension)
+                                    }
+                                }
+                            }
+                        } else {
+                            withFileFilter { virtualFile ->
+                                if (virtualFile.isDirectory) {
+                                    true // Always allow directories for navigation
+                                } else {
+                                    val extension = virtualFile.extension?.lowercase()
+                                    extension != null && allowedExtensions.contains(extension)
+                                }
                             }
                         }
                     }
@@ -579,6 +597,20 @@ class AmazonQLanguageClientImpl(private val project: Project) : AmazonQLanguageC
         }
     }
 
+    /**
+     * Checks if the current JetBrains IDE version supports the withExtensionFilter API.
+     * 
+     * The withExtensionFilter method was introduced in IntelliJ Platform 2024.3 (baseline version 243).
+     * For older versions, we need to fall back to withFileFilter which provides similar functionality
+     * but with different UI behavior (files are not visually filtered in the file chooser dialog).
+     * 
+     * @return true if the IDE version supports withExtensionFilter (2024.3+), false otherwise
+     */
+    private fun isExtensionFilterSupported(): Boolean {
+        val baselineVersion = ApplicationInfo.getInstance().build.baselineVersion
+        return baselineVersion >= 243 // 2024.3 or later
+    }
+
     companion object {
         val localHistoryPath = Paths.get(
             UserHomeDirectoryUtils.userHomeDirectory(),