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editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/CreateAndRevealProjectAction.java

Index: editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/CreateAndRevealProjectAction.java
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--- editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/CreateAndRevealProjectAction.java	(revision 0)
+++ editor/tools/plugins/com.google.dart.tools.ui/src/com/google/dart/tools/ui/actions/CreateAndRevealProjectAction.java	(revision 0)
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2012, the Dart project authors.
+ * 
+ * Licensed under the Eclipse Public License v1.0 (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.eclipse.org/legal/epl-v10.html
+ * 
+ * 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.google.dart.tools.ui.actions;
+
+import com.google.dart.tools.core.internal.util.ResourceUtil;
+import com.google.dart.tools.ui.internal.projects.NewApplicationCreationPage.ProjectType;
+import com.google.dart.tools.ui.internal.projects.ProjectMessages;
+import com.google.dart.tools.ui.internal.projects.ProjectUtils;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.osgi.util.NLS;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IWorkbenchWindow;
+
+import java.io.File;
+import java.net.URI;
+
+/**
+ * Creates projects in the workspace.
+ */
+public class CreateAndRevealProjectAction extends Action {
+
+  //TODO(pquitslund): permit/handle overwriting existing projects
+
+  private final IWorkbenchWindow window;
+  private final String[] directories;
+  private IStatus status;
+
+  /**
+   * Create the action.
+   * 
+   * @param window the workbench window
+   * @param directories directory paths
+   */
+  public CreateAndRevealProjectAction(IWorkbenchWindow window, String... directories) {
+    this.directories = directories;
+    this.window = window;
+  }
+
+  /**
+   * Return {@link Status#OK_STATUS} if creation succeeded, {@link Status#CANCEL_STATUS} otherwise.
+   * (Returns null if the action has not been run yet.)
+   */
+  public IStatus getStatus() {
+    return status;
+  }
+
+  @Override
+  public void run() {
+    status = Status.OK_STATUS; //will get unset if any creation fails
+    for (String d : directories) {
+      createAndRevealProject(d);
+    }
+  }
+
+  protected void createAndRevealProject(String directoryPath) {
+    Path path = new Path(directoryPath);
+    String name = path.lastSegment();
+
+    IProject projectHandle = ResourcesPlugin.getWorkspace().getRoot().getProject(name);
+    if (projectHandle.exists()) {
+      ProjectUtils.selectAndReveal(projectHandle);
+    } else if (!isNestedByAnExistingProject(path) && !nestsAnExistingProject(path)) {
+      URI location = new File(directoryPath).toURI();
+
+      IProject project = ProjectUtils.createNewProject(name, projectHandle, ProjectType.NONE,
+          location, window, getShell());
+
+      ProjectUtils.selectAndReveal(project);
+    } else {
+      status = Status.CANCEL_STATUS;
+    }
+  }
+
+  private Shell getShell() {
+    return window.getShell();
+  }
+
+  private boolean isNestedByAnExistingProject(IPath path) {
+    for (IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) {
+      IPath location = project.getLocation();
+      if (location.isPrefixOf(path)) {
+        IResource resource = ResourceUtil.getResource(path.toFile());
+        ProjectUtils.selectAndReveal(resource);
+        return true;
+      }
+    }
+    return false;
+  }
+
+  private boolean nestsAnExistingProject(IPath path) {
+    for (IProject project : ResourcesPlugin.getWorkspace().getRoot().getProjects()) {
+      IPath location = project.getLocation();
+      if (path.isPrefixOf(location)) {
+        String folderName = path.lastSegment();
+        String projectName = project.getName();
+        MessageDialog.openError(getShell(),
+            ProjectMessages.OpenExistingFolderWizardAction_nesting_title,
+            NLS.bind(ProjectMessages.OpenExistingFolderWizardAction_nesting_msg, folderName,
+                projectName));
+        return true;
+      }
+    }
+    return false;
+  }
+
+}