1 files changed, 161 insertions, 0 deletions
diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/actions/ChangeNatureAction.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/actions/ChangeNatureAction.java
new file mode 100644
index 00000000..ef074ace
--- /dev/null
+++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/actions/ChangeNatureAction.java
@@ -0,0 +1,161 @@
+/*******************************************************************************
+ * Copyright (c) 2008-2010 Sonatype, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *      Sonatype, Inc. - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.m2e.core.actions;
+
+import java.util.Iterator;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.WorkspaceJob;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IAdaptable;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.MultiStatus;
+import org.eclipse.core.runtime.OperationCanceledException;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.ui.IObjectActionDelegate;
+import org.eclipse.ui.IWorkbenchPart;
+
+import org.eclipse.m2e.core.MavenPlugin;
+import org.eclipse.m2e.core.core.IMavenConstants;
+import org.eclipse.m2e.core.embedder.IMavenConfiguration;
+import org.eclipse.m2e.core.internal.Messages;
+import org.eclipse.m2e.core.project.IProjectConfigurationManager;
+import org.eclipse.m2e.core.project.MavenProjectManager;
+import org.eclipse.m2e.core.project.MavenUpdateRequest;
+import org.eclipse.m2e.core.project.ResolverConfiguration;
+
+
+public class ChangeNatureAction implements IObjectActionDelegate {
+
+  public static final String ID_ENABLE_WORKSPACE = "org.eclipse.m2e.enableWorkspaceResolutionAction"; //$NON-NLS-1$
+  
+  public static final String ID_DISABLE_WORKSPACE = "org.eclipse.m2e.disableWorkspaceResolutionAction"; //$NON-NLS-1$
+
+  public static final int ENABLE_WORKSPACE = 1;
+
+  public static final int DISABLE_WORKSPACE = 2;
+  
+  private ISelection selection;
+  
+  private int option;
+  
+  public ChangeNatureAction(int option) {
+    this.option = option;
+  }
+
+  public void selectionChanged(IAction action, ISelection selection) {
+    this.selection = selection;
+  }
+
+  public void setActivePart(IAction action, IWorkbenchPart targetPart) {
+  }
+
+  public void run(IAction action) {
+    if(selection instanceof IStructuredSelection) {
+      IStructuredSelection structuredSelection = (IStructuredSelection) selection;
+      Set<IProject> projects = new LinkedHashSet<IProject>();
+      for(Iterator<?> it = structuredSelection.iterator(); it.hasNext();) {
+        Object element = it.next();
+        IProject project = null;
+        if(element instanceof IProject) {
+          project = (IProject) element;
+        } else if(element instanceof IAdaptable) {
+          project = (IProject) ((IAdaptable) element).getAdapter(IProject.class);
+        }
+        if(project != null) {
+          projects.add(project);
+        }
+      }
+
+      new UpdateJob(projects, option).schedule();
+    }
+  }
+
+  static class UpdateJob extends WorkspaceJob {
+    private final Set<IProject> projects;
+    private final int option;
+
+    private final IProjectConfigurationManager importManager;
+    private final MavenProjectManager projectManager;
+    private final IMavenConfiguration mavenConfiguration;
+
+    public UpdateJob(Set<IProject> projects, int option) {
+      super(Messages.ChangeNatureAction_job_changing);
+      this.projects = projects;
+      this.option = option;
+
+      MavenPlugin plugin = MavenPlugin.getDefault();
+      this.importManager = plugin.getProjectConfigurationManager();
+      this.projectManager = plugin.getMavenProjectManager();
+      
+      this.mavenConfiguration = MavenPlugin.getDefault().getMavenConfiguration();
+    }
+    
+    public IStatus runInWorkspace(IProgressMonitor monitor) {
+      MultiStatus status = null;
+      for(IProject project : projects) {
+        if (monitor.isCanceled()) {
+          throw new OperationCanceledException();
+        }
+
+        monitor.subTask(project.getName());
+
+        try {
+          changeNature(project, monitor);
+        } catch (CoreException ex) {
+          if (status == null) {
+            status = new MultiStatus(IMavenConstants.PLUGIN_ID, IStatus.ERROR, Messages.ChangeNatureAction_status_error, null);
+          }
+          status.add(ex.getStatus());
+        }
+      }
+
+      boolean offline = mavenConfiguration.isOffline();
+      boolean updateSnapshots = false;
+      projectManager.refresh(new MavenUpdateRequest(projects.toArray(new IProject[projects.size()]), //
+          offline, updateSnapshots));
+      
+      return status != null? status: Status.OK_STATUS;
+    }
+
+    private void changeNature(final IProject project, IProgressMonitor monitor) throws CoreException {
+      MavenPlugin plugin = MavenPlugin.getDefault();
+      MavenProjectManager projectManager = plugin.getMavenProjectManager();
+      
+      final ResolverConfiguration configuration = projectManager.getResolverConfiguration(project);
+
+      boolean updateSourceFolders = false;
+
+      switch(option) {
+        case ENABLE_WORKSPACE:
+          configuration.setResolveWorkspaceProjects(true);
+          break;
+        case DISABLE_WORKSPACE:
+          configuration.setResolveWorkspaceProjects(false);
+          break;
+      }
+
+      projectManager.setResolverConfiguration(project, configuration);
+
+      if (updateSourceFolders) {
+        importManager.updateProjectConfiguration(project, configuration, monitor);
+      }
+    }
+  }
+
+}