suggest to open from pom.xml/.classpath on import from version control; suggest to create a new project only after nothing was found to open

java/idea-ui/src/com/intellij/openapi/vcs/checkout/ProjectImporterCheckoutListener.java

@@ -0,0 +1,55 @@
+/*
+ * Copyright 2000-2011 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.openapi.vcs.checkout;
+
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.ui.Messages;
+import com.intellij.openapi.vcs.VcsBundle;
+import com.intellij.openapi.vfs.LocalFileSystem;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.projectImport.ProjectOpenProcessor;
+
+import java.io.File;
+
+public class ProjectImporterCheckoutListener implements CheckoutListener {
+  public boolean processCheckedOutDirectory(Project project, File directory) {
+    final File[] files = directory.listFiles();
+    if (files != null) {
+      final LocalFileSystem localFileSystem = LocalFileSystem.getInstance();
+      for (File file : files) {
+        if (file.isDirectory()) continue;
+        final VirtualFile virtualFile = localFileSystem.findFileByIoFile(file);
+        if (virtualFile != null) {
+          final ProjectOpenProcessor openProcessor = ProjectOpenProcessor.getImportProvider(virtualFile);
+          if (openProcessor != null) {
+            int rc = Messages
+              .showYesNoDialog(project, VcsBundle.message("checkout.open.project.prompt", ProjectCheckoutListener.getProductNameWithArticle(), files[0].getPath()),
+                               VcsBundle.message("checkout.title"), Messages.getQuestionIcon());
+            if (rc == 0) {
+              openProcessor.doOpenProject(virtualFile, project, false);
+            }
+            return true;
+          }
+        }
+      }
+    }
+    return false;
+  }
+
+  @Override
+  public void processOpenedProject(Project lastOpenedProject) {
+  }
+}

platform/vcs-impl/src/com/intellij/openapi/vcs/checkout/CompositeCheckoutListener.java

@@ -76,15 +76,15 @@ public class CompositeCheckoutListener implements CheckoutProvider.Listener {
   }
 
   private void notifyCheckoutListeners(final File directory, final ExtensionPointName<CheckoutListener> epName) {
-    final VcsAwareCheckoutListener[] vcsAwareExtensions = Extensions.getExtensions(VcsAwareCheckoutListener.EP_NAME);
-    for (VcsAwareCheckoutListener extension : vcsAwareExtensions) {
-      myFoundProject = extension.processCheckedOutDirectory(myProject, directory, myVcsKey);
+    final CheckoutListener[] listeners = Extensions.getExtensions(epName);
+    for (CheckoutListener listener: listeners) {
+      myFoundProject = listener.processCheckedOutDirectory(myProject, directory);
       if (myFoundProject) break;
     }
-    final CheckoutListener[] listeners = Extensions.getExtensions(epName);
-    if (! myFoundProject) {
-      for (CheckoutListener listener: listeners) {
-        myFoundProject = listener.processCheckedOutDirectory(myProject, directory);
+    if (!myFoundProject) {
+      final VcsAwareCheckoutListener[] vcsAwareExtensions = Extensions.getExtensions(VcsAwareCheckoutListener.EP_NAME);
+      for (VcsAwareCheckoutListener extension : vcsAwareExtensions) {
+        myFoundProject = extension.processCheckedOutDirectory(myProject, directory, myVcsKey);
         if (myFoundProject) break;
       }
     }

resources/src/idea/RichPlatformPlugin.xml

@@ -260,6 +260,7 @@
 
     <checkoutListener implementation="com.intellij.openapi.vcs.checkout.ProjectCheckoutListener"/>
     <checkoutListener implementation="com.intellij.openapi.vcs.checkout.ProjectDirCheckoutListener"/>
+    <checkoutListener implementation="com.intellij.openapi.vcs.checkout.ProjectImporterCheckoutListener"/>
     <vcsAwareCheckoutListener implementation="com.intellij.openapi.vcs.checkout.NewProjectCheckoutListener"/>
 
     <codeStyleSettingsProvider implementation="com.intellij.application.options.CommonCodeStyleSettingsProvider"/>