dedicated newProjectWizard.generator EP for plain GeneratorNewProjectWizards

GitOrigin-RevId: 31a1877126f2eeca23057de38ff9329ce0cae72a

java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java

@@ -376,7 +376,9 @@ public final class ProjectTypeStep extends ModuleWizardStep implements SettingsS
     generators.removeIf(it -> !it.isEnabled());
     generators.sort(Comparator.comparing(it -> it.getOrdinal()));
     if (context.isCreatingNewProject()) {
-      generators.add(new EmptyProjectGeneratorNewProjectWizard());
+      GeneratorNewProjectWizard.EP_NAME.forEachExtensionSafe(wizard -> {
+        generators.add(wizard);
+      });
     }
     var generatorItems = ContainerUtil.map(generators, it -> new LanguageGeneratorItem(it));
     for (var generatorItem : generatorItems) {

java/plugin/resources/META-INF/plugin.xml

@@ -45,5 +45,6 @@
   <extensions defaultExtensionNs="com.intellij">
     <moduleType id="JAVA_MODULE" classpathProvider="true" implementationClass="com.intellij.openapi.module.JavaModuleType"/>
     <moduleType id="GENERAL_MODULE" implementationClass="com.intellij.ide.projectWizard.GeneralModuleTypeForIdea"/>
+    <newProjectWizard.generator implementation="com.intellij.ide.wizard.language.EmptyProjectGeneratorNewProjectWizard"/>
   </extensions>
 </idea-plugin>

platform/platform-impl/api-dump-unreviewed.txt

@@ -10429,6 +10429,8 @@ com.intellij.ide.wizard.BuildSystemNewProjectWizardData
 - a:getBuildSystemProperty():com.intellij.openapi.observable.properties.GraphProperty
 - a:setBuildSystem(java.lang.String):V
 com.intellij.ide.wizard.GeneratorNewProjectWizard
+- sf:Companion:com.intellij.ide.wizard.GeneratorNewProjectWizard$Companion
+- sf:EP_NAME:com.intellij.openapi.extensions.ExtensionPointName
 - a:createStep(com.intellij.ide.util.projectWizard.WizardContext):com.intellij.ide.wizard.NewProjectWizardStep
 - getDescription():java.lang.String
 - getGroupName():java.lang.String
@@ -10437,6 +10439,7 @@ com.intellij.ide.wizard.GeneratorNewProjectWizard
 - a:getName():java.lang.String
 - getOrdinal():I
 - isEnabled():Z
+f:com.intellij.ide.wizard.GeneratorNewProjectWizard$Companion
 a:com.intellij.ide.wizard.GeneratorNewProjectWizardBuilderAdapter
 - com.intellij.ide.wizard.AbstractNewProjectWizardBuilder
 - sf:Companion:com.intellij.ide.wizard.GeneratorNewProjectWizardBuilderAdapter$Companion

platform/platform-impl/src/com/intellij/ide/wizard/GeneratorNewProjectWizard.kt

@@ -2,6 +2,7 @@
 package com.intellij.ide.wizard
 
 import com.intellij.ide.util.projectWizard.WizardContext
+import com.intellij.openapi.extensions.ExtensionPointName
 import com.intellij.openapi.util.NlsContexts
 import com.intellij.util.PlatformUtils
 import org.jetbrains.annotations.Nls
@@ -17,6 +18,11 @@ import javax.swing.Icon
  */
 interface GeneratorNewProjectWizard {
 
+  companion object {
+    @JvmField
+    val EP_NAME = ExtensionPointName<GeneratorNewProjectWizard>("com.intellij.newProjectWizard.generator")
+  }
+
   /**
    * The unique identifier to distinguish this generator from others in the new project wizard.
    */

platform/platform-resources/src/META-INF/PlatformExtensionPoints.xml

@@ -474,6 +474,8 @@
     <extensionPoint name="newProjectWizard.language" interface="com.intellij.ide.wizard.LanguageNewProjectWizard" dynamic="true"/>
     <extensionPoint name="newProjectWizard.languageGenerator" interface="com.intellij.ide.wizard.language.LanguageGeneratorNewProjectWizard" dynamic="true"/>
 
+    <extensionPoint name="newProjectWizard.generator" interface="com.intellij.ide.wizard.GeneratorNewProjectWizard" dynamic="true"/>
+
     <extensionPoint name="newProject.onboarding.tips" interface="com.intellij.ide.wizard.NewProjectOnboardingTips" dynamic="true"/>
 
     <extensionPoint name="projectOriginInfoProvider" interface="com.intellij.ide.impl.ProjectOriginInfoProvider" dynamic="true"/>