From 800eaba9f6e12c795aa7f2c84740ef2de10683bb Mon Sep 17 00:00:00 2001
From: Dmitry Avdeev <dmitry.avdeev@jetbrains.com>
Date: Tue, 11 Feb 2014 13:07:50 +0400
Subject: [PATCH] IDEA-120544 13.1 EAP (134.1007): impossible to add empty Web
 module to the project

---
 .../projectWizard/ProjectTemplateList.java    |  6 ++--
 .../ide/projectWizard/ProjectTypeStep.java    |  5 ++-
 .../com/intellij/ui/SingleSelectionModel.java | 35 +++++++++++++++++++
 3 files changed, 42 insertions(+), 4 deletions(-)
 create mode 100644 platform/platform-api/src/com/intellij/ui/SingleSelectionModel.java

diff --git a/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTemplateList.java b/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTemplateList.java
index 7c76028d1a05..ffc07a593058 100644
--- a/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTemplateList.java
+++ b/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTemplateList.java
@@ -25,8 +25,8 @@ import com.intellij.openapi.util.SystemInfo;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.platform.ProjectTemplate;
 import com.intellij.platform.templates.ArchivedProjectTemplate;
-import com.intellij.ui.CollectionListModel;
-import com.intellij.ui.IdeBorderFactory;
+import com.intellij.ui.*;
+import com.intellij.ui.SingleSelectionModel;
 import com.intellij.ui.components.JBList;
 import com.intellij.ui.popup.list.GroupedItemsListRenderer;
 import com.intellij.util.containers.ContainerUtil;
@@ -99,7 +99,7 @@ public class ProjectTemplateList extends JPanel {
       }
     };
     myList.setCellRenderer(renderer);
-
+    myList.setSelectionModel(new SingleSelectionModel());
     myList.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
       @Override
       public void valueChanged(ListSelectionEvent e) {
diff --git a/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java b/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java
index 4dfd99fc0c70..058bc7d19b10 100644
--- a/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java
+++ b/java/idea-ui/src/com/intellij/ide/projectWizard/ProjectTypeStep.java
@@ -56,6 +56,7 @@ import com.intellij.platform.templates.RemoteTemplatesFactory;
 import com.intellij.ui.CollectionListModel;
 import com.intellij.ui.ColoredListCellRenderer;
 import com.intellij.ui.IdeBorderFactory;
+import com.intellij.ui.SingleSelectionModel;
 import com.intellij.ui.components.JBList;
 import com.intellij.util.Function;
 import com.intellij.util.containers.*;
@@ -125,6 +126,7 @@ public class ProjectTypeStep extends ModuleWizardStep implements Disposable {
     List<TemplatesGroup> groups = fillTemplatesMap(context);
 
     myProjectTypeList.setModel(new CollectionListModel<TemplatesGroup>(groups));
+    myProjectTypeList.setSelectionModel(new SingleSelectionModel());
     myProjectTypeList.addListSelectionListener(new ListSelectionListener() {
       @Override
       public void valueChanged(ListSelectionEvent e) {
@@ -178,6 +180,7 @@ public class ProjectTypeStep extends ModuleWizardStep implements Disposable {
         projectTypeChanged();
       }
     });
+
     myTemplatesList.addListSelectionListener(new ListSelectionListener() {
       @Override
       public void valueChanged(ListSelectionEvent e) {
@@ -236,7 +239,7 @@ public class ProjectTypeStep extends ModuleWizardStep implements Disposable {
       else {
         TemplatesGroup group = new TemplatesGroup(builder);
         groupMap.put(group.getName(), group);
-        myTemplatesMap.put(group, new ArrayList<ProjectTemplate>());
+        myTemplatesMap.put(group, new ArrayList<ProjectTemplate>(Collections.singletonList(template)));
       }
     }
 
diff --git a/platform/platform-api/src/com/intellij/ui/SingleSelectionModel.java b/platform/platform-api/src/com/intellij/ui/SingleSelectionModel.java
new file mode 100644
index 000000000000..ed6ef740848b
--- /dev/null
+++ b/platform/platform-api/src/com/intellij/ui/SingleSelectionModel.java
@@ -0,0 +1,35 @@
+/*
+ * Copyright 2000-2014 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.ui;
+
+import javax.swing.*;
+
+/**
+* @author Dmitry Avdeev
+*/
+public class SingleSelectionModel extends DefaultListSelectionModel {
+  {
+    setSelectionMode(SINGLE_SELECTION);
+  }
+
+  @Override
+  public void clearSelection() {
+  }
+
+  @Override
+  public void removeSelectionInterval(int index0, int index1) {
+  }
+}