2023.2 release (#1091)

action_basics/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

action_basics/src/main/java/org/intellij/sdk/action/CustomDefaultActionGroup.java

@@ -1,18 +1,25 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.action;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.CommonDataKeys;
 import com.intellij.openapi.actionSystem.DefaultActionGroup;
 import com.intellij.openapi.editor.Editor;
 import icons.SdkIcons;
+import org.jetbrains.annotations.NotNull;
 
 /**
  * Creates an action group to contain menu actions. See plugin.xml declarations.
  */
 public class CustomDefaultActionGroup extends DefaultActionGroup {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   /**
    * Given {@link CustomDefaultActionGroup} is derived from {@link com.intellij.openapi.actionSystem.ActionGroup},
    * in this context {@code update()} determines whether the action group itself should be enabled or disabled.

action_basics/src/main/java/org/intellij/sdk/action/PopupDialogAction.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.action;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.CommonDataKeys;
@@ -21,6 +22,11 @@ import javax.swing.*;
  */
 public class PopupDialogAction extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   /**
    * This default constructor is used by the IntelliJ Platform framework to instantiate this class based on plugin.xml
    * declarations. Only needed in {@link PopupDialogAction} class because a second constructor is overridden.
@@ -56,13 +62,13 @@ public class PopupDialogAction extends AnAction {
     // Using the event, create and show a dialog
     Project currentProject = event.getProject();
     StringBuilder dlgMsg = new StringBuilder(event.getPresentation().getText() + " Selected!");
-    String dlgTitle = event.getPresentation().getDescription();
+    String dialogTitle = event.getPresentation().getDescription();
     // If an element is selected in the editor, add info about it.
-    Navigatable nav = event.getData(CommonDataKeys.NAVIGATABLE);
+    Navigatable navigatable = event.getData(CommonDataKeys.NAVIGATABLE);
-    if (nav != null) {
+    if (navigatable != null) {
-      dlgMsg.append(String.format("\nSelected Element: %s", nav.toString()));
+      dlgMsg.append(String.format("\nSelected Element: %s", navigatable));
     }
-    Messages.showMessageDialog(currentProject, dlgMsg.toString(), dlgTitle, Messages.getInformationIcon());
+    Messages.showMessageDialog(currentProject, dlgMsg.toString(), dialogTitle, Messages.getInformationIcon());
   }
 
   /**

comparing_string_references_inspection/build.gradle.kts

@@ -22,7 +22,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
   plugins.set(listOf("com.intellij.java"))
 }
 
@@ -33,7 +33,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

comparing_string_references_inspection/src/main/java/org/intellij/sdk/codeInspection/ComparingStringReferencesInspection.java

@@ -9,6 +9,7 @@ import com.intellij.codeInspection.ProblemsHolder;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.*;
 import com.intellij.psi.tree.IElementType;
+import com.intellij.psi.util.PsiTypesUtil;
 import org.jetbrains.annotations.NotNull;
 
 /**
@@ -35,7 +36,7 @@ public class ComparingStringReferencesInspection extends AbstractBaseJavaLocalIn
     return new JavaElementVisitor() {
 
       /**
-       * Evaluate binary psi expressions to see if they contain relational operators '==' and '!=',
+       * Evaluate binary PSI expressions to see if they contain relational operators '==' and '!=',
        * AND they are of String type.
        * The evaluation ignores expressions comparing an object to null.
        * IF these criteria are met, register the problem in the ProblemsHolder.
@@ -43,7 +44,7 @@ public class ComparingStringReferencesInspection extends AbstractBaseJavaLocalIn
        * @param expression The binary expression to be evaluated.
        */
       @Override
-      public void visitBinaryExpression(PsiBinaryExpression expression) {
+      public void visitBinaryExpression(@NotNull PsiBinaryExpression expression) {
         super.visitBinaryExpression(expression);
         IElementType opSign = expression.getOperationTokenType();
         if (opSign == JavaTokenType.EQEQ || opSign == JavaTokenType.NE) {
@@ -64,15 +65,12 @@ public class ComparingStringReferencesInspection extends AbstractBaseJavaLocalIn
       }
 
       private boolean isStringType(PsiExpression operand) {
-        PsiType type = operand.getType();
+        PsiClass psiClass = PsiTypesUtil.getPsiClass(operand.getType());
-        if (!(type instanceof PsiClassType)) {
+        if (psiClass == null) {
           return false;
         }
-        PsiClass resolvedType = ((PsiClassType) type).resolve();
+
-        if (resolvedType == null) {
+        return "java.lang.String".equals(psiClass.getQualifiedName());
-          return false;
-        }
-        return "java.lang.String".equals(resolvedType.getQualifiedName());
       }
 
       private static boolean isNullLiteral(PsiExpression expression) {
@@ -119,14 +117,18 @@ public class ComparingStringReferencesInspection extends AbstractBaseJavaLocalIn
       PsiMethodCallExpression equalsCall =
               (PsiMethodCallExpression) factory.createExpressionFromText("a.equals(b)", null);
 
-      equalsCall.getMethodExpression().getQualifierExpression().replace(lExpr);
+      PsiExpression qualifierExpression = equalsCall.getMethodExpression().getQualifierExpression();
+      assert qualifierExpression != null;
+      qualifierExpression.replace(lExpr);
       equalsCall.getArgumentList().getExpressions()[0].replace(rExpr);
 
       PsiExpression result = (PsiExpression) binaryExpression.replace(equalsCall);
 
       if (opSign == JavaTokenType.NE) {
         PsiPrefixExpression negation = (PsiPrefixExpression) factory.createExpressionFromText("!a", null);
-        negation.getOperand().replace(result);
+        PsiExpression operand = negation.getOperand();
+        assert operand != null;
+        operand.replace(result);
         result.replace(negation);
       }
     }

conditional_operator_intention/build.gradle.kts

@@ -22,7 +22,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
   plugins.set(listOf("com.intellij.java"))
 }
 
@@ -33,7 +33,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

conditional_operator_intention/src/main/java/org/intellij/sdk/intention/ConditionalOperatorConverter.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.intention;
 
@@ -60,14 +60,12 @@ public class ConditionalOperatorConverter extends PsiElementBaseIntentionAction
     }
 
     // Is this a token of type representing a "?" character?
-    if (element instanceof PsiJavaToken) {
+    if (element instanceof PsiJavaToken token) {
-      final PsiJavaToken token = (PsiJavaToken) element;
       if (token.getTokenType() != JavaTokenType.QUEST) {
         return false;
       }
       // Is this token part of a fully formed conditional, i.e. a ternary?
-      if (token.getParent() instanceof PsiConditionalExpression) {
+      if (token.getParent() instanceof PsiConditionalExpression conditionalExpression) {
-        final PsiConditionalExpression conditionalExpression = (PsiConditionalExpression) token.getParent();
         // Satisfies all criteria; call back invoke method
         return conditionalExpression.getThenExpression() != null && conditionalExpression.getElseExpression() != null;
       }
@@ -116,8 +114,7 @@ public class ConditionalOperatorConverter extends PsiElementBaseIntentionAction
 
     // If the original statement is a declaration based on a ternary operator,
     // split the declaration and assignment
-    if (originalStatement instanceof PsiDeclarationStatement) {
+    if (originalStatement instanceof PsiDeclarationStatement declaration) {
-      final PsiDeclarationStatement declaration = (PsiDeclarationStatement) originalStatement;
 
       // Find the local variable within the declaration statement
       final PsiElement[] declaredElements = declaration.getDeclaredElements();

conditional_operator_intention/src/main/resources/META-INF/plugin.xml

@@ -35,7 +35,7 @@
 
   <extensions defaultExtensionNs="com.intellij">
     <intentionAction>
-      <!-- add "<language>JAVA</language>" when targeting 2022.3 and later only -->
+      <language>JAVA</language> <!-- available in 2022.3 and later -->
       <className>org.intellij.sdk.intention.ConditionalOperatorConverter</className>
       <category>SDK intentions</category>
     </intentionAction>

editor_basics/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

editor_basics/src/main/java/org/intellij/sdk/editor/EditorAreaIllustration.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.editor;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.CommonDataKeys;
@@ -17,6 +18,11 @@ import org.jetbrains.annotations.NotNull;
  */
 public class EditorAreaIllustration extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   /**
    * Displays a message with information about the current caret.
    *
@@ -34,7 +40,7 @@ public class EditorAreaIllustration extends AnAction {
     VisualPosition visualPos = primaryCaret.getVisualPosition();
     int caretOffset = primaryCaret.getOffset();
     // Build and display the caret report.
-    String report = logicalPos.toString() + "\n" + visualPos.toString() + "\n" +
+    String report = logicalPos + "\n" + visualPos + "\n" +
             "Offset: " + caretOffset;
     Messages.showInfoMessage(report, "Caret Parameters Inside The Editor");
   }
@@ -53,7 +59,7 @@ public class EditorAreaIllustration extends AnAction {
     // Get required data keys
     final Project project = e.getProject();
     final Editor editor = e.getData(CommonDataKeys.EDITOR);
-    //Set visibility only in case of existing project and editor
+    // Set visibility only in case of existing project and editor
     e.getPresentation().setEnabledAndVisible(project != null && editor != null);
   }
 

editor_basics/src/main/java/org/intellij/sdk/editor/EditorHandlerIllustration.java

@@ -1,11 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.editor;
 
-import com.intellij.openapi.actionSystem.AnAction;
+import com.intellij.openapi.actionSystem.*;
-import com.intellij.openapi.actionSystem.AnActionEvent;
-import com.intellij.openapi.actionSystem.CommonDataKeys;
-import com.intellij.openapi.actionSystem.IdeActions;
 import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.editor.actionSystem.EditorActionHandler;
 import com.intellij.openapi.editor.actionSystem.EditorActionManager;
@@ -19,6 +16,11 @@ import org.jetbrains.annotations.NotNull;
  */
 public class EditorHandlerIllustration extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   /**
    * Clones a new caret at a higher Logical Position line number.
    *

editor_basics/src/main/java/org/intellij/sdk/editor/EditorIllustrationAction.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.editor;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.CommonDataKeys;
@@ -19,6 +20,11 @@ import org.jetbrains.annotations.NotNull;
  */
 public class EditorIllustrationAction extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   /**
    * Replaces the run of text selected by the primary caret with a fixed string.
    *
@@ -38,7 +44,7 @@ public class EditorIllustrationAction extends AnAction {
     // Replace the selection with a fixed string.
     // Must do this document change in a write action context.
     WriteCommandAction.runWriteCommandAction(project, () ->
-            document.replaceString(start, end, "editor_basics")
+            document.replaceString(start, end, "Replacement")
     );
     // De-select the text range that was just replaced
     primaryCaret.removeSelection();

facet_basics/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

framework_basics/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
   plugins.set(listOf("com.intellij.java"))
 }
 
@@ -29,7 +29,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

kotlin_demo/build.gradle.kts

@@ -19,7 +19,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -29,8 +29,8 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 
   compileKotlin {

live_templates/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

live_templates/src/main/java/org/intellij/sdk/liveTemplates/MarkdownContext.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.liveTemplates;
 
@@ -9,7 +9,7 @@ import org.jetbrains.annotations.NotNull;
 public class MarkdownContext extends TemplateContextType {
 
   protected MarkdownContext() {
-    super("MARKDOWN", "Markdown");
+    super("Markdown");
   }
 
   @Override

live_templates/src/main/resources/META-INF/plugin.xml

@@ -34,7 +34,8 @@
 
   <extensions defaultExtensionNs="com.intellij">
     <defaultLiveTemplates file="/liveTemplates/Markdown.xml"/>
-    <liveTemplateContext implementation="org.intellij.sdk.liveTemplates.MarkdownContext"/>
+    <liveTemplateContext implementation="org.intellij.sdk.liveTemplates.MarkdownContext"
+                         contextId="MARKDOWN"/>
     <liveTemplateMacro implementation="org.intellij.sdk.liveTemplates.TitleCaseMacro"/>
   </extensions>
 

max_opened_projects/README.md

@@ -3,16 +3,23 @@
 
 ## Quickstart
 
-Maximum Open Projects Sample implements a `ProjectManagerListener` with two methods applied to check if the current projects have been opened or closed.
+Maximum Open Projects Sample implements a `StartupActivity` extension point to run on project open as well as a
-Each method refers to the `ProjectCountingService` [light service][docs:plugin_services:light_services].
+`ProjectManagerListener` for tracking projects being closed.
-It provides methods to increase and decrease the global counter of the currently opened projects in the IDE.
+Both use `ProjectCountingService` application-level [light service][docs:plugin_services:light_services].
-After opening each one, a message dialog is presented to the user with the current number.
+It provides methods to increase and decrease the counter of currently opened projects in the IDE.
+When opening more projects than the maximum allowed (3), a message dialog is shown.
+
+### Extension Points
+
+| Name                               | Implementation                                                | Extension Point Class |
+|------------------------------------|---------------------------------------------------------------|-----------------------|
+| `com.intellij.postStartupActivity` | [ProjectOpenStartupActivity][file:ProjectOpenStartupActivity] | `StartupActivity`     |
 
 ### Application Listeners
 
 | Name     | Implementation                                        | Listener Class           |
-|----------|-----------------------------------------------------------|--------------------------|
+|----------|-------------------------------------------------------|--------------------------|
-| listener | [ProjectOpenCloseListener][file:ProjectOpenCloseListener] | `ProjectManagerListener` |
+| listener | [ProjectOpenCloseListener][file:ProjectCloseListener] | `ProjectManagerListener` |
 
 *Reference: [Plugin Listeners in IntelliJ SDK Docs][docs:listeners]*
 
@@ -21,5 +28,6 @@ After opening each one, a message dialog is presented to the user with the curre
 [docs:plugin_services:light_services]: https://plugins.jetbrains.com/docs/intellij/plugin-services.html#light-services
 [docs:listeners]: https://plugins.jetbrains.com/docs/intellij/plugin-listeners.html
 
+[file:ProjectOpenStartupActivity]: ./src/main/java/org/intellij/sdk/maxOpenProjects/ProjectOpenStartupActivity.java
 [file:ProjectCountingService]: ./src/main/java/org/intellij/sdk/maxOpenProjects/ProjectCountingService.java
-[file:ProjectOpenCloseListener]: ./src/main/java/org/intellij/sdk/maxOpenProjects/ProjectOpenCloseListener.java
+[file:ProjectCloseListener]: ./src/main/java/org/intellij/sdk/maxOpenProjects/ProjectCloseListener.java

max_opened_projects/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

max_opened_projects/src/main/java/org/intellij/sdk/maxOpenProjects/ProjectCloseListener.java

@@ -0,0 +1,29 @@
+// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+
+package org.intellij.sdk.maxOpenProjects;
+
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.project.ProjectManagerListener;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Listener to detect project close.
+ */
+public class ProjectCloseListener implements ProjectManagerListener {
+
+  @Override
+  public void projectClosed(@NotNull Project project) {
+    // Ensure this isn't part of testing
+    if (ApplicationManager.getApplication().isUnitTestMode()) {
+      return;
+    }
+
+    // Get the counting service
+    ProjectCountingService projectCountingService =
+            ApplicationManager.getApplication().getService(ProjectCountingService.class);
+    // Decrement the count because a project just closed
+    projectCountingService.decreaseOpenProjectCount();
+  }
+
+}

max_opened_projects/src/main/java/org/intellij/sdk/maxOpenProjects/ProjectCountingService.java

@@ -14,17 +14,17 @@ public final class ProjectCountingService {
 
   private int myOpenProjectCount = 0;
 
-  public void incrProjectCount() {
+  public void increaseOpenProjectCount() {
     myOpenProjectCount++;
   }
 
-  public void decrProjectCount() {
+  public void decreaseOpenProjectCount() {
     if (myOpenProjectCount > 0) {
       myOpenProjectCount--;
     }
   }
 
-  public boolean projectLimitExceeded() {
+  public boolean isOpenProjectsLimitExceeded() {
     return myOpenProjectCount > MAX_OPEN_PROJECTS_LIMIT;
   }
 

max_opened_projects/src/main/java/org/intellij/sdk/maxOpenProjects/ProjectOpenCloseListener.java

@@ -1,61 +0,0 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
-
-package org.intellij.sdk.maxOpenProjects;
-
-import com.intellij.openapi.application.ApplicationManager;
-import com.intellij.openapi.project.Project;
-import com.intellij.openapi.project.ProjectManagerListener;
-import com.intellij.openapi.ui.Messages;
-import org.jetbrains.annotations.NotNull;
-
-/**
- * Listener to detect project open and close.
- * Depends on {@link ProjectCountingService}
- */
-public class ProjectOpenCloseListener implements ProjectManagerListener {
-
-  /**
-   * Invoked on project open.
-   *
-   * @param project opening project
-   */
-  @Override
-  public void projectOpened(@NotNull Project project) {
-    // Ensure this isn't part of testing
-    if (ApplicationManager.getApplication().isUnitTestMode()) {
-      return;
-    }
-    // Get the counting service
-    ProjectCountingService projectCountingService =
-            ApplicationManager.getApplication().getService(ProjectCountingService.class);
-    // Increment the project count
-    projectCountingService.incrProjectCount();
-    // See if the total # of projects violates the limit.
-    if (projectCountingService.projectLimitExceeded()) {
-      // Transitioned to outside the limit
-      String title = String.format("Opening Project \"%s\"", project.getName());
-      String message = "<br>The number of open projects exceeds the SDK plugin max_opened_projects limit.<br><br>" +
-              "This is not an error<br><br>";
-      Messages.showMessageDialog(project, message, title, Messages.getInformationIcon());
-    }
-  }
-
-  /**
-   * Invoked on project close.
-   *
-   * @param project closing project
-   */
-  @Override
-  public void projectClosed(@NotNull Project project) {
-    // Ensure this isn't part of testing
-    if (ApplicationManager.getApplication().isUnitTestMode()) {
-      return;
-    }
-    // Get the counting service
-    ProjectCountingService projectCountingService =
-            ApplicationManager.getApplication().getService(ProjectCountingService.class);
-    // Decrement the count because a project just closed
-    projectCountingService.decrProjectCount();
-  }
-
-}

max_opened_projects/src/main/java/org/intellij/sdk/maxOpenProjects/ProjectOpenStartupActivity.java

@@ -0,0 +1,41 @@
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
+
+package org.intellij.sdk.maxOpenProjects;
+
+import com.intellij.openapi.application.ApplicationManager;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.startup.StartupActivity;
+import com.intellij.openapi.ui.Messages;
+import org.jetbrains.annotations.NotNull;
+
+/**
+ * Invoked on opening a project.
+ */
+public class ProjectOpenStartupActivity implements StartupActivity.DumbAware {
+
+  @Override
+  public void runActivity(@NotNull Project project) {
+    // Ensure this isn't part of testing
+    if (ApplicationManager.getApplication().isUnitTestMode()) {
+      return;
+    }
+
+    // Get the counting service
+    ProjectCountingService projectCountingService =
+            ApplicationManager.getApplication().getService(ProjectCountingService.class);
+    // Increment the project count
+    projectCountingService.increaseOpenProjectCount();
+
+    // See if the total # of projects violates the limit.
+    if (projectCountingService.isOpenProjectsLimitExceeded()) {
+      // Transitioned to outside the limit
+      String title = String.format("Opening Project \"%s\"", project.getName());
+      String message = "<br>The number of open projects exceeds the SDK plugin max_opened_projects limit.<br><br>";
+
+      ApplicationManager.getApplication().invokeLater(() ->
+              Messages.showMessageDialog(project, message, title, Messages.getInformationIcon())
+      );
+    }
+  }
+
+}

max_opened_projects/src/main/resources/META-INF/plugin.xml

@@ -36,8 +36,11 @@
   <vendor url="https://plugins.jetbrains.com">IntelliJ Platform SDK</vendor>
 
   <applicationListeners>
-    <listener class="org.intellij.sdk.maxOpenProjects.ProjectOpenCloseListener"
+    <listener class="org.intellij.sdk.maxOpenProjects.ProjectCloseListener"
               topic="com.intellij.openapi.project.ProjectManagerListener"/>
   </applicationListeners>
 
+  <extensions defaultExtensionNs="com.intellij">
+    <postStartupActivity implementation="org.intellij.sdk.maxOpenProjects.ProjectOpenStartupActivity"/>
+  </extensions>
 </idea-plugin>

module/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

product_specific/pycharm_basics/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
   type.set("PY")
   plugins.set(listOf("Pythonid"))
   downloadSources.set(false)
@@ -31,7 +31,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

project_model/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
   plugins.set(listOf("com.intellij.java"))
 }
 
@@ -29,7 +29,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

project_model/src/main/java/org/intellij/sdk/project/model/LibrariesAction.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.project.model;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.CommonDataKeys;
@@ -17,6 +18,11 @@ import org.jetbrains.annotations.NotNull;
 
 public class LibrariesAction extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   @Override
   public void update(@NotNull final AnActionEvent event) {
     Project project = event.getProject();

project_model/src/main/java/org/intellij/sdk/project/model/ModificationAction.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.project.model;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.CommonDataKeys;
@@ -19,6 +20,11 @@ import org.jetbrains.annotations.NotNull;
 
 public class ModificationAction extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   @Override
   public void actionPerformed(@NotNull final AnActionEvent event) {
     Project project = event.getProject();

project_model/src/main/java/org/intellij/sdk/project/model/ProjectFileIndexSampleAction.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.project.model;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.CommonDataKeys;
@@ -18,6 +19,11 @@ import org.jetbrains.annotations.NotNull;
 
 public class ProjectFileIndexSampleAction extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   @Override
   public void update(@NotNull final AnActionEvent event) {
     Project project = event.getProject();
@@ -33,6 +39,7 @@ public class ProjectFileIndexSampleAction extends AnAction {
     if (project == null || editor == null) {
       return;
     }
+
     Document document = editor.getDocument();
     FileDocumentManager fileDocumentManager = FileDocumentManager.getInstance();
     VirtualFile virtualFile = fileDocumentManager.getFile(document);
@@ -43,7 +50,7 @@ public class ProjectFileIndexSampleAction extends AnAction {
       moduleName = module != null ? module.getName() : "No module defined for file";
 
       VirtualFile moduleContentRoot = projectFileIndex.getContentRootForFile(virtualFile);
-      boolean isLibraryFile = projectFileIndex.isLibraryClassFile(virtualFile);
+      boolean isLibraryFile = projectFileIndex.isInLibrary(virtualFile);
       boolean isInLibraryClasses = projectFileIndex.isInLibraryClasses(virtualFile);
       boolean isInLibrarySource = projectFileIndex.isInLibrarySource(virtualFile);
       Messages.showInfoMessage("Module: " + moduleName + "\n" +

project_model/src/main/java/org/intellij/sdk/project/model/ProjectSdkAction.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.project.model;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.project.Project;
@@ -12,6 +13,11 @@ import org.jetbrains.annotations.NotNull;
 
 public class ProjectSdkAction extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   @Override
   public void actionPerformed(@NotNull final AnActionEvent event) {
     Project project = event.getProject();

project_model/src/main/java/org/intellij/sdk/project/model/ShowSourceRootsActions.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.project.model;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.project.Project;
@@ -12,12 +13,18 @@ import org.jetbrains.annotations.NotNull;
 
 public class ShowSourceRootsActions extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   @Override
   public void actionPerformed(@NotNull final AnActionEvent event) {
     Project project = event.getProject();
     if (project == null) {
       return;
     }
+
     String projectName = project.getName();
     StringBuilder sourceRootsList = new StringBuilder();
     VirtualFile[] vFiles = ProjectRootManager.getInstance(project).getContentSourceRoots();

project_view_pane/README.md

@@ -9,8 +9,8 @@ The current demo describes an implementation of the `com.intellij.projectViewPan
 ### Extension Points
 
 | Name                           | Implementation                                      | Extension Point Class     |
-|--------------------------------|-----------------------------------------------------|------------------------------|
+|--------------------------------|-----------------------------------------------------|---------------------------|
-| `com.intellij.projectViewPane` | [ImagesProjectViewPane][file:ImagesProjectViewPane] | `AbstractProjectViewPSIPane` |
+| `com.intellij.projectViewPane` | [ImagesProjectViewPane][file:ImagesProjectViewPane] | `AbstractProjectViewPane` |
 
 *Reference: [Plugin Extension Points in IntelliJ SDK Docs][docs:ep]*
 

project_view_pane/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

project_view_pane/src/main/java/org/intellij/sdk/view/pane/ImagesProjectViewPane.java

@@ -1,24 +1,17 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license.
-
 package org.intellij.sdk.view.pane;
 
 import com.intellij.icons.AllIcons;
 import com.intellij.ide.SelectInTarget;
 import com.intellij.ide.impl.ProjectViewSelectInTarget;
-import com.intellij.ide.projectView.BaseProjectTreeBuilder;
 import com.intellij.ide.projectView.ViewSettings;
-import com.intellij.ide.projectView.impl.AbstractProjectViewPSIPane;
+import com.intellij.ide.projectView.impl.*;
-import com.intellij.ide.projectView.impl.ProjectAbstractTreeStructureBase;
-import com.intellij.ide.projectView.impl.ProjectTreeStructure;
-import com.intellij.ide.projectView.impl.ProjectViewTree;
-import com.intellij.ide.util.treeView.AbstractTreeBuilder;
-import com.intellij.ide.util.treeView.AbstractTreeUpdater;
 import com.intellij.openapi.project.Project;
 import org.jetbrains.annotations.NotNull;
 
 import javax.swing.tree.DefaultTreeModel;
 
-public class ImagesProjectViewPane extends AbstractProjectViewPSIPane {
+public class ImagesProjectViewPane extends AbstractProjectViewPaneWithAsyncSupport {
 
   public static final String ID = "IMAGES";
 
@@ -29,7 +22,7 @@ public class ImagesProjectViewPane extends AbstractProjectViewPSIPane {
   @NotNull
   @Override
   public String getTitle() {
-    return "SDK-Images";
+    return "SDK Images";
   }
 
   @NotNull
@@ -99,17 +92,4 @@ public class ImagesProjectViewPane extends AbstractProjectViewPSIPane {
     };
   }
 
-  //  Legacy code, awaiting refactoring of AbstractProjectViewPSIPane#createBuilder
-  @Override
-  protected BaseProjectTreeBuilder createBuilder(@NotNull DefaultTreeModel treeModel) {
-    return null;
-  }
-
-  //  Legacy code, awaiting refactoring of AbstractProjectViewPSIPane#createTreeUpdater
-  @NotNull
-  @Override
-  protected AbstractTreeUpdater createTreeUpdater(@NotNull AbstractTreeBuilder builder) {
-    throw new IllegalStateException("ImagesProjectViewPane tree is async now");
-  }
-
 }

project_wizard/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

psi_demo/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
   plugins.set(listOf("com.intellij.java"))
 }
 
@@ -29,7 +29,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

psi_demo/src/main/java/org/intellij/sdk/psi/PsiNavigationDemoAction.java

@@ -1,7 +1,8 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.psi;
 
+import com.intellij.openapi.actionSystem.ActionUpdateThread;
 import com.intellij.openapi.actionSystem.AnAction;
 import com.intellij.openapi.actionSystem.AnActionEvent;
 import com.intellij.openapi.actionSystem.CommonDataKeys;
@@ -9,9 +10,15 @@ import com.intellij.openapi.editor.Editor;
 import com.intellij.openapi.ui.Messages;
 import com.intellij.psi.*;
 import com.intellij.psi.util.PsiTreeUtil;
+import org.jetbrains.annotations.NotNull;
 
 public class PsiNavigationDemoAction extends AnAction {
 
+  @Override
+  public @NotNull ActionUpdateThread getActionUpdateThread() {
+    return ActionUpdateThread.BGT;
+  }
+
   @Override
   public void actionPerformed(AnActionEvent anActionEvent) {
     Editor editor = anActionEvent.getData(CommonDataKeys.EDITOR);
@@ -40,7 +47,7 @@ public class PsiNavigationDemoAction extends AnAction {
         infoBuilder.append("Local variables:\n");
         containingMethod.accept(new JavaRecursiveElementVisitor() {
           @Override
-          public void visitLocalVariable(PsiLocalVariable variable) {
+          public void visitLocalVariable(@NotNull PsiLocalVariable variable) {
             super.visitLocalVariable(variable);
             infoBuilder.append(variable.getName()).append("\n");
           }

run_configuration/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

settings/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

simple_language_plugin/build.gradle.kts

@@ -31,7 +31,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
   plugins.set(listOf("com.intellij.java"))
 }
 
@@ -42,7 +42,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleAnnotator.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.language;
 
@@ -23,15 +23,14 @@ public class SimpleAnnotator implements Annotator {
 
   @Override
   public void annotate(@NotNull final PsiElement element, @NotNull AnnotationHolder holder) {
-    // Ensure the Psi Element is an expression
+    // Ensure the PSI Element is an expression
-    if (!(element instanceof PsiLiteralExpression)) {
+    if (!(element instanceof PsiLiteralExpression literalExpression)) {
       return;
     }
 
     // Ensure the Psi element contains a string that starts with the prefix and separator
-    PsiLiteralExpression literalExpression = (PsiLiteralExpression) element;
     String value = literalExpression.getValue() instanceof String ? (String) literalExpression.getValue() : null;
-    if ((value == null) || !value.startsWith(SIMPLE_PREFIX_STR + SIMPLE_SEPARATOR_STR)) {
+    if (value == null || !value.startsWith(SIMPLE_PREFIX_STR + SIMPLE_SEPARATOR_STR)) {
       return;
     }
 
@@ -56,7 +55,7 @@ public class SimpleAnnotator implements Annotator {
       holder.newAnnotation(HighlightSeverity.ERROR, "Unresolved property")
               .range(keyRange)
               .highlightType(ProblemHighlightType.LIKE_UNKNOWN_SYMBOL)
-              // ** Tutorial step 18.3 - Add a quick fix for the string containing possible properties
+              // ** Tutorial step 19. - Add a quick fix for the string containing possible properties
               .withFix(new SimpleCreatePropertyQuickFix(key))
               .create();
     } else {

simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleCodeStyleSettingsProvider.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.language;
 
@@ -15,7 +15,7 @@ import org.jetbrains.annotations.Nullable;
 public class SimpleCodeStyleSettingsProvider extends CodeStyleSettingsProvider {
 
   @Override
-  public CustomCodeStyleSettings createCustomSettings(CodeStyleSettings settings) {
+  public CustomCodeStyleSettings createCustomSettings(@NotNull CodeStyleSettings settings) {
     return new SimpleCodeStyleSettings(settings);
   }
 
@@ -26,10 +26,11 @@ public class SimpleCodeStyleSettingsProvider extends CodeStyleSettingsProvider {
   }
 
   @NotNull
-  public CodeStyleConfigurable createConfigurable(@NotNull CodeStyleSettings settings, @NotNull CodeStyleSettings modelSettings) {
+  public CodeStyleConfigurable createConfigurable(@NotNull CodeStyleSettings settings,
+                                                  @NotNull CodeStyleSettings modelSettings) {
     return new CodeStyleAbstractConfigurable(settings, modelSettings, this.getConfigurableDisplayName()) {
       @Override
-      protected CodeStyleAbstractPanel createPanel(CodeStyleSettings settings) {
+      protected @NotNull CodeStyleAbstractPanel createPanel(@NotNull CodeStyleSettings settings) {
         return new SimpleCodeStyleMainPanel(getCurrentSettings(), settings);
       }
     };

simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleCreatePropertyQuickFix.java

@@ -1,4 +1,4 @@
-// Copyright 2000-2022 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+// Copyright 2000-2023 JetBrains s.r.o. and other contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 
 package org.intellij.sdk.language;
 
@@ -75,6 +75,7 @@ class SimpleCreatePropertyQuickFix extends BaseIntentionAction {
   private void createProperty(final Project project, final VirtualFile file) {
     WriteCommandAction.writeCommandAction(project).run(() -> {
       SimpleFile simpleFile = (SimpleFile) PsiManager.getInstance(project).findFile(file);
+      assert simpleFile != null;
       ASTNode lastChildNode = simpleFile.getNode().getLastChildNode();
       // TODO: Add another check for CRLF
       if (lastChildNode != null/* && !lastChildNode.getElementType().equals(SimpleTypes.CRLF)*/) {
@@ -84,7 +85,9 @@ class SimpleCreatePropertyQuickFix extends BaseIntentionAction {
       SimpleProperty property = SimpleElementFactory.createProperty(project, key.replaceAll(" ", "\\\\ "), "");
       simpleFile.getNode().addChild(property.getNode());
       ((Navigatable) property.getLastChild().getNavigationElement()).navigate(true);
-      FileEditorManager.getInstance(project).getSelectedTextEditor().getCaretModel().moveCaretRelatively(2, 0, false, false, false);
+      Editor editor = FileEditorManager.getInstance(project).getSelectedTextEditor();
+      assert editor != null;
+      editor.getCaretModel().moveCaretRelatively(2, 0, false, false, false);
     });
   }
 

theme_basics/resources/META-INF/plugin.xml

@@ -13,7 +13,7 @@
   <version>0.1</version>
 
   <!-- Compatible with the following versions of IntelliJ Platform: version 2022.1 and newer. -->
-  <idea-version since-build="2022.1"/>
+  <idea-version since-build="221"/>
 
   <!-- Indicate this plugin can be loaded in all IntelliJ Platform-based products. -->
   <depends>com.intellij.modules.platform</depends>

tool_window/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }

tree_structure_provider/build.gradle.kts

@@ -18,7 +18,7 @@ java {
 
 // See https://plugins.jetbrains.com/docs/intellij/tools-gradle-intellij-plugin.html
 intellij {
-  version.set("2022.2.5")
+  version.set("2022.3.3")
 }
 
 tasks {
@@ -28,7 +28,7 @@ tasks {
 
   patchPluginXml {
     version.set("${project.version}")
-    sinceBuild.set("222")
+    sinceBuild.set("223")
-    untilBuild.set("231.*")
+    untilBuild.set("232.*")
   }
 }