IDEA-115398 New Project Wizard: libraries downloading doesn't work

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

@@ -33,8 +33,6 @@ public class NewProjectWizard extends AbstractProjectWizard {
 
   public NewProjectWizard(@Nullable Project project, @NotNull ModulesProvider modulesProvider, @Nullable String defaultPath) {
     super("New Project", project, defaultPath);
-//    addStep();
-//    addStep(new ProjectSummaryStep(myWizardContext));
     myWizardContext.setNewWizard(true);
     mySequence = new StepSequence();
     mySequence.addCommonStep(new ProjectTypeStep(myWizardContext, this, modulesProvider));

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

@@ -15,6 +15,7 @@
  */
 package com.intellij.ide.projectWizard;
 
+import com.intellij.CommonBundle;
 import com.intellij.framework.addSupport.FrameworkSupportInModuleProvider;
 import com.intellij.ide.util.frameworkSupport.FrameworkRole;
 import com.intellij.ide.util.frameworkSupport.FrameworkSupportUtil;
@@ -25,13 +26,16 @@ import com.intellij.ide.util.newProjectWizard.modes.CreateFromTemplateMode;
 import com.intellij.ide.util.projectWizard.ModuleBuilder;
 import com.intellij.ide.util.projectWizard.ModuleWizardStep;
 import com.intellij.ide.util.projectWizard.WizardContext;
+import com.intellij.ide.wizard.CommitStepException;
 import com.intellij.openapi.Disposable;
 import com.intellij.openapi.module.Module;
 import com.intellij.openapi.project.Project;
+import com.intellij.openapi.project.ProjectBundle;
 import com.intellij.openapi.roots.ModifiableRootModel;
 import com.intellij.openapi.roots.ui.configuration.ModulesProvider;
 import com.intellij.openapi.roots.ui.configuration.projectRoot.LibrariesContainer;
 import com.intellij.openapi.roots.ui.configuration.projectRoot.LibrariesContainerFactory;
+import com.intellij.openapi.ui.Messages;
 import com.intellij.openapi.util.Condition;
 import com.intellij.openapi.util.Disposer;
 import com.intellij.openapi.util.text.StringUtil;
@@ -81,6 +85,7 @@ public class ProjectTypeStep extends ModuleWizardStep {
 
   private final AddSupportForFrameworksPanel myFrameworksPanel;
   private final ModuleBuilder.ModuleConfigurationUpdater myConfigurationUpdater;
+  private boolean myCommitted;
 
   public ProjectTypeStep(WizardContext context, NewProjectWizard wizard, ModulesProvider modulesProvider) {
     myContext = context;
@@ -231,6 +236,22 @@ public class ProjectTypeStep extends ModuleWizardStep {
     myList.saveSelection();
   }
 
+  @Override
+  public void onWizardFinished() throws CommitStepException {
+    if (!myCommitted) {
+      boolean ok = myFrameworksPanel.downloadLibraries();
+      if (!ok) {
+        int answer = Messages.showYesNoDialog(getComponent(),
+                                              ProjectBundle.message("warning.message.some.required.libraries.wasn.t.downloaded"),
+                                              CommonBundle.getWarningTitle(), Messages.getWarningIcon());
+        if (answer != 0) {
+          throw new CommitStepException(null);
+        }
+      }
+      myCommitted = true;
+    }
+  }
+
   @Override
   public JComponent getPreferredFocusedComponent() {
     return myProjectTypeList;

java/idea-ui/src/com/intellij/ide/util/newProjectWizard/AbstractProjectWizard.java

@@ -156,15 +156,21 @@ public abstract class AbstractProjectWizard extends AbstractWizard<ModuleWizardS
           step._commit(true);
         }
         catch (CommitStepException e) {
-          String message = e.getMessage();
-          if (message != null) {
-            Messages.showErrorDialog(getCurrentStepComponent(), message);
-          }
+          handleCommitException(e);
           return;
         }
         if (!isLastStep(idx)) {
           idx = getNextStep(idx);
         } else {
+          for (ModuleWizardStep wizardStep : mySteps) {
+            try {
+              wizardStep.onWizardFinished();
+            }
+            catch (CommitStepException e) {
+              handleCommitException(e);
+              return;
+            }
+          }
           break;
         }
       } while (true);
@@ -176,6 +182,13 @@ public abstract class AbstractProjectWizard extends AbstractWizard<ModuleWizardS
     super.doOKAction();
   }
 
+  private void handleCommitException(CommitStepException e) {
+    String message = e.getMessage();
+    if (message != null) {
+      Messages.showErrorDialog(getCurrentStepComponent(), message);
+    }
+  }
+
   protected boolean commitStepData(final ModuleWizardStep step) {
     try {
       if (!step.validate()) {

platform/lang-api/src/com/intellij/ide/util/projectWizard/ModuleWizardStep.java

@@ -16,6 +16,7 @@
 package com.intellij.ide.util.projectWizard;
 
 import com.intellij.ide.util.BrowseFilesListener;
+import com.intellij.ide.wizard.CommitStepException;
 import com.intellij.ide.wizard.StepAdapter;
 import com.intellij.openapi.options.ConfigurationException;
 import com.intellij.openapi.util.IconLoader;
@@ -51,7 +52,9 @@ public abstract class ModuleWizardStep extends StepAdapter {
   }
 
   public void onStepLeaving() {
-    // empty by default
+  }
+
+  public void onWizardFinished() throws CommitStepException {
   }
 
   @Override