Show error message when no class find is found

Author: melix

src/org/objectweb/asm/idea/ShowBytecodeOutlineAction.java

@@ -59,6 +59,8 @@
  */
 public class ShowBytecodeOutlineAction extends AnAction {
 
+ private final static String NO_CLASS_FOUND = "// couldn't generate bytecode view, no .class file found";
+
  @Override
  public void update(final AnActionEvent e) {
  final Editor editor = e.getData(PlatformDataKeys.EDITOR);
@@ -137,7 +139,7 @@ public void finished(boolean aborted, int errors, int warnings, final CompileCon
  result[0] = null;
  }
  }
- if (result[0] != null) application.invokeLater(new Runnable() {
+ application.invokeLater(new Runnable() {
  public void run() {
  updateToolWindowContents(project, result[0]);
  }
@@ -182,9 +184,14 @@ public VirtualFile compute() {
  * @param file the class file
  */
  private void updateToolWindowContents(final Project project, final VirtualFile file) {
- if (file == null) return;
  ApplicationManager.getApplication().runWriteAction(new Runnable() {
  public void run() {
+ if (file==null) {
+ BytecodeOutline.getInstance(project).setCode(NO_CLASS_FOUND);
+ BytecodeASMified.getInstance(project).setCode(NO_CLASS_FOUND);
+ ToolWindowManager.getInstance(project).getToolWindow("ASM").activate(null);
+ return;
+ }
  StringWriter stringWriter = new StringWriter();
  ClassVisitor visitor = new TraceClassVisitor(new PrintWriter(stringWriter));
  ClassReader reader = null;