Initial plan to implement the OpenFolderAs action

ide/projectui/src/org/netbeans/modules/project/ui/actions/OpenProjectAsFolderAction.java

diff --git a/ide/projectui/src/org/netbeans/modules/project/ui/actions/OpenProjectAsFolderAction.java b/ide/projectui/src/org/netbeans/modules/project/ui/actions/OpenProjectAsFolderAction.java
new file mode 100644
index 0000000..0257606
--- /dev/null
+++ b/ide/projectui/src/org/netbeans/modules/project/ui/actions/OpenProjectAsFolderAction.java
@@ -0,0 +1,114 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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 org.netbeans.modules.project.ui.actions;
+
+import java.awt.event.ActionEvent;
+import javax.swing.AbstractAction;
+import javax.swing.Action;
+import javax.swing.JMenu;
+import javax.swing.JMenuItem;
+import org.netbeans.api.project.ProjectManager;
+import org.openide.awt.ActionID;
+import org.openide.awt.ActionReference;
+import org.openide.awt.ActionRegistration;
+import org.openide.util.ContextAwareAction;
+import org.openide.util.Lookup;
+import org.openide.util.NbBundle;
+
+import static org.netbeans.modules.project.ui.actions.Bundle.*;
+import org.openide.awt.DynamicMenuContent;
+import org.openide.loaders.DataFolder;
+import org.openide.util.actions.Presenter;
+
+/**
+ *
+ * @author lkishalmi
+ */
+@ActionID(id = "org.netbeans.modules.project.ui.actions.OpenProjectAsFolderAction", category = "Project")
+@ActionRegistration(displayName = "#OpenProjectAsFolderAction.LBL_action", lazy=false)
+@ActionReference(path = "Loaders/folder/any/Actions", position = 101)
+@NbBundle.Messages("OpenProjectAsFolderAction.LBL_action=Open Project of Folder")
+public class OpenProjectAsFolderAction  extends AbstractAction implements ContextAwareAction {
+
+    public OpenProjectAsFolderAction() {
+        super(OpenProjectAsFolderAction_LBL_action());
+    }
+
+    public @Override void actionPerformed(ActionEvent e) {
+        // Cannot be invoked without any context.
+        assert false;
+    }
+
+    @Override
+    public Action createContextAwareInstance(Lookup ctx) {
+        return new CustomPopupAction(ctx);
+    }
+
+    private final class OpenAsProjectAction extends AbstractAction {
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+
+        }
+
+    }
+
+    private final class CustomPopupAction extends AbstractAction implements Presenter.Popup {
+
+        private final Lookup context;
+        private ProjectManager.Result[] projects;
+
+        public CustomPopupAction(Lookup context) {
+            super(OpenProjectAsFolderAction_LBL_action());
+            this.context = context;
+
+            projects = new ProjectManager.Result[0];
+            for (DataFolder d : context.lookupAll(DataFolder.class)) {
+                projects = ProjectManager.getDefault().checkProject(d.getPrimaryFile());
+                if (projects.length > 0) {
+                    break;
+                }
+            }
+            if (projects.length <= 1) {
+                putValue(DynamicMenuContent.HIDE_WHEN_DISABLED, true);
+                setEnabled(false);
+            }
+        }
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+        }
+
+        @Override
+        public JMenuItem getPopupPresenter() {
+            if (projects.length <=1) return null;
+            
+            final JMenu menu = new JMenu(OpenProjectAsFolderAction_LBL_action());
+
+            for (ProjectManager.Result project : projects) {
+                if (project.getProjectType() != null) {
+                    JMenuItem item = new JMenuItem("Open as: ");
+                    item.setText(project.getProjectType());
+                    menu.add(item);
+                }
+            }
+            return menu;
+        }
+    }
+}