1 files changed, 136 insertions, 0 deletions
diff --git a/org.eclipse.m2e.core/src/org/eclipse/m2e/core/actions/MavenActionSupport.java b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/actions/MavenActionSupport.java
new file mode 100644
index 00000000..9e9ff69c
--- /dev/null
+++ b/org.eclipse.m2e.core/src/org/eclipse/m2e/core/actions/MavenActionSupport.java
@@ -0,0 +1,136 @@
+/*******************************************************************************
+ * 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.Collections;
+import java.util.Set;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IFileEditorInput;
+import org.eclipse.ui.IObjectActionDelegate;
+import org.eclipse.ui.IWorkbench;
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+
+import org.eclipse.m2e.core.MavenPlugin;
+import org.eclipse.m2e.core.core.IMavenConstants;
+import org.eclipse.m2e.core.core.MavenLogger;
+import org.eclipse.m2e.core.embedder.ArtifactKey;
+import org.eclipse.m2e.core.embedder.ArtifactRef;
+import org.eclipse.m2e.core.project.IMavenProjectFacade;
+import org.eclipse.m2e.core.project.MavenProjectManager;
+
+/**
+ * 
+ * MavenActionSupport
+ *
+ * @author Jason van Zyl
+ */
+public abstract class MavenActionSupport implements IObjectActionDelegate {
+  protected IStructuredSelection selection;
+
+  protected IWorkbenchPart targetPart;
+
+  protected Set<ArtifactKey> getArtifacts(IFile file, MavenPlugin plugin) {
+    try {
+      MavenProjectManager projectManager = plugin.getMavenProjectManager();
+      IMavenProjectFacade projectFacade = projectManager.create(file, true, new NullProgressMonitor());
+      if(projectFacade != null) {
+        return ArtifactRef.toArtifactKey(projectFacade.getMavenProjectArtifacts());
+      }
+    } catch(Exception ex) {
+      String msg = "Can't read Maven project";
+      MavenLogger.log(msg, ex);
+      plugin.getConsole().logError(msg + "; " + ex.toString());
+    }
+    return Collections.emptySet();
+  }
+
+  public void setActivePart(IAction action, IWorkbenchPart targetPart) {
+    this.targetPart = targetPart;
+  }
+
+  public void selectionChanged(IAction action, ISelection selection) {
+    if(selection instanceof IStructuredSelection) {
+      this.selection = (IStructuredSelection) selection;
+    }
+  }
+
+  protected Shell getShell() {
+    Shell shell = null;
+    if(targetPart != null) {
+      shell = targetPart.getSite().getShell();
+    }
+    if(shell != null) {
+      return shell;
+    }
+
+    IWorkbench workbench = MavenPlugin.getDefault().getWorkbench();
+    if(workbench == null) {
+      return null;
+    }
+
+    IWorkbenchWindow window = workbench.getActiveWorkbenchWindow();
+    return window == null ? null : window.getShell();
+  }
+
+  protected IFile getPomFileFromPomEditorOrViewSelection() {
+    IFile file = null;    
+    //
+    // If I am in the POM editor I want to get hold of the IFile that is currently in the buffer
+    //
+    IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+
+    if(window != null) {
+      IWorkbenchPage page = window.getActivePage();
+      if(page != null) {
+        IEditorPart editor = page.getActiveEditor();
+        if(editor != null) {
+          IEditorInput input = editor.getEditorInput();
+          if(input instanceof IFileEditorInput) {
+            IFileEditorInput fileInput = (IFileEditorInput) input;
+            file = fileInput.getFile();
+            if(file.getName().equals(IMavenConstants.POM_FILE_NAME)) {
+              return file;
+            }
+          }
+        }
+      }
+    }    
+
+    //
+    // Otherwise we will assume a pom.xml file or IProject is being selected in the
+    // package explorer and we'll get the IFile from that. Otherwise we'll bail.
+    //
+    Object o = selection.iterator().next();
+
+    if(o instanceof IProject) {
+      file = ((IProject) o).getFile(IMavenConstants.POM_FILE_NAME);
+    } else if(o instanceof IFile) {
+      file = (IFile) o;
+    } else {
+      file = null;
+    }
+
+    return file;
+  }
+}