[209346] Provide Fileshare example

https://bugs.eclipse.org/bugs/show_bug.cgi?id=209346

8 files changed, 210 insertions, 47 deletions

diff --git a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesDragListener.java b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesDragListener.java
index b96fbfdc6e..e495e2dad2 100644
--- a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesDragListener.java
+++ b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesDragListener.java
@@ -12,47 +12,29 @@ package org.eclipse.net4j.buddies.internal.ui.views;
 
 import org.eclipse.net4j.buddies.internal.ui.dnd.BuddiesTransfer;
 import org.eclipse.net4j.buddies.protocol.IBuddy;
+import org.eclipse.net4j.util.ui.dnd.DNDDragListener;
 
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.StructuredViewer;
-import org.eclipse.swt.dnd.DragSourceAdapter;
-import org.eclipse.swt.dnd.DragSourceEvent;
 
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Iterator;
-import java.util.List;
 
 /**
  * @author Eike Stepper
  */
-public class BuddiesDragListener extends DragSourceAdapter
+public class BuddiesDragListener extends DNDDragListener<IBuddy[]>
 {
-  private StructuredViewer viewer;
-
   public BuddiesDragListener(StructuredViewer viewer)
   {
-    this.viewer = viewer;
-  }
-
-  @Override
-  public void dragSetData(DragSourceEvent event)
-  {
-    if (BuddiesTransfer.INSTANCE.isSupportedType(event.dataType))
-    {
-      event.data = getBuddies();
-    }
+    super(BuddiesTransfer.INSTANCE, viewer);
   }
 
   @Override
-  public void dragStart(DragSourceEvent event)
-  {
-    event.doit = !viewer.getSelection().isEmpty();
-  }
-
-  protected IBuddy[] getBuddies()
+  protected IBuddy[] getObject(IStructuredSelection selection)
   {
-    IStructuredSelection selection = (IStructuredSelection)viewer.getSelection();
-    List<IBuddy> buddies = new ArrayList<IBuddy>();
+    Collection<IBuddy> buddies = new ArrayList<IBuddy>();
     for (Iterator<Object> it = selection.iterator(); it.hasNext();)
     {
       Object element = it.next();
@@ -62,23 +44,7 @@ public class BuddiesDragListener extends DragSourceAdapter
         buddies.add(buddy);
       }
     }
-  
+
     return buddies.toArray(new IBuddy[buddies.size()]);
   }
-
-  // @Override
-  // public void dragFinished(DragSourceEvent event)
-  // {
-  // if (!event.doit) return;
-  // // if the gadget was moved, remove it from the source viewer
-  // if (event.detail == DND.DROP_MOVE)
-  // {
-  // IStructuredSelection selection = (IStructuredSelection)viewer.getSelection();
-  // for (Iterator it = selection.iterator(); it.hasNext();)
-  // {
-  // ((Gadget)it.next()).setParent(null);
-  // }
-  // viewer.refresh();
-  // }
-  // }
 }
\ No newline at end of file
diff --git a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesDropAdapter.java b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesDropAdapter.java
new file mode 100644
index 0000000000..89d02e51fa
--- /dev/null
+++ b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesDropAdapter.java
@@ -0,0 +1,43 @@
+/***************************************************************************
+ * Copyright (c) 2004 - 2007 Eike Stepper, Germany.
+ * 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:
+ *    Eike Stepper - initial API and implementation
+ **************************************************************************/
+package org.eclipse.net4j.buddies.internal.ui.views;
+
+import org.eclipse.net4j.buddies.IBuddyCollaboration;
+import org.eclipse.net4j.buddies.internal.ui.dnd.BuddiesTransfer;
+import org.eclipse.net4j.buddies.protocol.IBuddy;
+import org.eclipse.net4j.util.ui.dnd.DNDDropAdapter;
+
+import org.eclipse.jface.viewers.StructuredViewer;
+
+/**
+ * @author Eike Stepper
+ */
+public class BuddiesDropAdapter extends DNDDropAdapter<IBuddy[]>
+{
+  public BuddiesDropAdapter(StructuredViewer viewer)
+  {
+    super(BuddiesTransfer.INSTANCE, viewer);
+  }
+
+  @Override
+  protected boolean performDrop(IBuddy[] buddies, Object target)
+  {
+    IBuddyCollaboration collaboration = (IBuddyCollaboration)target;
+    collaboration.invite(buddies);
+    return true;
+  }
+
+  @Override
+  protected boolean validateTarget(Object target)
+  {
+    return target instanceof IBuddyCollaboration;
+  }
+}
\ No newline at end of file
diff --git a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesView.java b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesView.java
index d7d144750e..294d6e4fa5 100644
--- a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesView.java
+++ b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/BuddiesView.java
@@ -17,6 +17,7 @@ import org.eclipse.net4j.buddies.protocol.ICollaboration;
 import org.eclipse.net4j.util.container.ContainerUtil;
 import org.eclipse.net4j.util.container.IContainer;
 
+import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.swt.dnd.DND;
 import org.eclipse.swt.dnd.Transfer;
 import org.eclipse.swt.widgets.Composite;
@@ -38,9 +39,9 @@ public class BuddiesView extends SessionManagerView
   protected Control createControl(Composite parent)
   {
     Control control = super.createControl(parent);
+    TreeViewer viewer = getViewer();
     Transfer[] transfers = new Transfer[] { BuddiesTransfer.INSTANCE };
-    getViewer().addDragSupport(DND.DROP_LINK, transfers, new BuddiesDragListener(getViewer()));
-
+    viewer.addDragSupport(DND.DROP_LINK, transfers, new BuddiesDragListener(viewer));
     return control;
   }
 
diff --git a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/CollaborationsView.java b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/CollaborationsView.java
index 4b942e943f..521e402b23 100644
--- a/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/CollaborationsView.java
+++ b/plugins/org.eclipse.net4j.buddies.ui/src/org/eclipse/net4j/buddies/internal/ui/views/CollaborationsView.java
@@ -12,6 +12,7 @@ package org.eclipse.net4j.buddies.internal.ui.views;
 
 import org.eclipse.net4j.buddies.IBuddyCollaboration;
 import org.eclipse.net4j.buddies.internal.ui.bundle.OM;
+import org.eclipse.net4j.buddies.internal.ui.dnd.BuddiesTransfer;
 import org.eclipse.net4j.buddies.ui.IFacilityPaneCreator;
 import org.eclipse.net4j.internal.buddies.ClientBuddy;
 import org.eclipse.net4j.util.StringUtil;
@@ -31,7 +32,10 @@ import org.eclipse.jface.action.IMenuManager;
 import org.eclipse.jface.action.Separator;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.jface.viewers.ITreeSelection;
+import org.eclipse.jface.viewers.TreeViewer;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.Transfer;
 import org.eclipse.swt.graphics.Font;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Control;
@@ -84,6 +88,11 @@ public class CollaborationsView extends SessionManagerView
     bars.getMenuManager().add(new Separator());
     bars.getToolBarManager().add(new Separator());
     getCollaborationsPane().fillActionBars(bars);
+
+    TreeViewer viewer = getViewer();
+    Transfer[] transfers = new Transfer[] { BuddiesTransfer.INSTANCE };
+    viewer.addDropSupport(DND.DROP_LINK, transfers, new BuddiesDropAdapter(viewer));
+
     return sashComposite;
   }
 
diff --git a/plugins/org.eclipse.net4j.buddies/src/org/eclipse/net4j/buddies/IBuddyCollaboration.java b/plugins/org.eclipse.net4j.buddies/src/org/eclipse/net4j/buddies/IBuddyCollaboration.java
index 252e436fa0..b6cb8a8b4b 100644
--- a/plugins/org.eclipse.net4j.buddies/src/org/eclipse/net4j/buddies/IBuddyCollaboration.java
+++ b/plugins/org.eclipse.net4j.buddies/src/org/eclipse/net4j/buddies/IBuddyCollaboration.java
@@ -23,7 +23,9 @@ public interface IBuddyCollaboration extends ICollaboration
 
   public IFacility installFacility(String type);
 
-  public IBuddy invite(String userID);
+  public IBuddy[] invite(String... userIDs);
+
+  public void invite(IBuddy... buddies);
 
   public void leave();
 
diff --git a/plugins/org.eclipse.net4j.buddies/src/org/eclipse/net4j/internal/buddies/BuddyCollaboration.java b/plugins/org.eclipse.net4j.buddies/src/org/eclipse/net4j/internal/buddies/BuddyCollaboration.java
index 8e2f023b99..8d957b698d 100644
--- a/plugins/org.eclipse.net4j.buddies/src/org/eclipse/net4j/internal/buddies/BuddyCollaboration.java
+++ b/plugins/org.eclipse.net4j.buddies/src/org/eclipse/net4j/internal/buddies/BuddyCollaboration.java
@@ -26,6 +26,8 @@ import org.eclipse.net4j.internal.buddies.protocol.InstallFacilityRequest;
 import org.eclipse.net4j.util.WrappedException;
 import org.eclipse.net4j.util.container.IPluginContainer;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Set;
 
 /**
@@ -94,10 +96,26 @@ public class BuddyCollaboration extends Collaboration implements IBuddyCollabora
     }
   }
 
-  public IBuddy invite(String userID)
+  public IBuddy[] invite(String... userIDs)
   {
-    // TODO Implement method BuddyCollaboration.invite()
-    throw new UnsupportedOperationException("Not yet implemented");
+    List<IBuddy> buddies = new ArrayList<IBuddy>();
+    for (String userID : userIDs)
+    {
+      IBuddy buddy = session.getBuddy(userID);
+      buddies.add(buddy);
+    }
+
+    IBuddy[] array = buddies.toArray(new IBuddy[buddies.size()]);
+    invite(array);
+    return array;
+  }
+
+  public void invite(IBuddy... buddies)
+  {
+    for (IBuddy buddy : buddies)
+    {
+      System.out.println("INVITING: " + buddy);
+    }
   }
 
   public void leave()
diff --git a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDragListener.java b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDragListener.java
new file mode 100644
index 0000000000..1586f73c6a
--- /dev/null
+++ b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDragListener.java
@@ -0,0 +1,61 @@
+/***************************************************************************
+ * Copyright (c) 2004 - 2007 Eike Stepper, Germany.
+ * 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:
+ *    Eike Stepper - initial API and implementation
+ **************************************************************************/
+package org.eclipse.net4j.util.ui.dnd;
+
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.swt.dnd.DragSourceAdapter;
+import org.eclipse.swt.dnd.DragSourceEvent;
+import org.eclipse.swt.dnd.Transfer;
+
+/**
+ * @author Eike Stepper
+ */
+public abstract class DNDDragListener<TYPE> extends DragSourceAdapter
+{
+  private Transfer transfer;
+
+  private StructuredViewer viewer;
+
+  public DNDDragListener(Transfer transfer, StructuredViewer viewer)
+  {
+    this.transfer = transfer;
+    this.viewer = viewer;
+  }
+
+  public Transfer getTransfer()
+  {
+    return transfer;
+  }
+
+  public StructuredViewer getViewer()
+  {
+    return viewer;
+  }
+
+  @Override
+  public void dragSetData(DragSourceEvent event)
+  {
+    if (transfer.isSupportedType(event.dataType))
+    {
+      IStructuredSelection selection = (IStructuredSelection)viewer.getSelection();
+      event.data = getObject(selection);
+    }
+  }
+
+  @Override
+  public void dragStart(DragSourceEvent event)
+  {
+    event.doit = !viewer.getSelection().isEmpty();
+  }
+
+  protected abstract TYPE getObject(IStructuredSelection selection);
+}
\ No newline at end of file
diff --git a/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDropAdapter.java b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDropAdapter.java
new file mode 100644
index 0000000000..52ccc65552
--- /dev/null
+++ b/plugins/org.eclipse.net4j.util.ui/src/org/eclipse/net4j/util/ui/dnd/DNDDropAdapter.java
@@ -0,0 +1,63 @@
+/***************************************************************************
+ * Copyright (c) 2004 - 2007 Eike Stepper, Germany.
+ * 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:
+ *    Eike Stepper - initial API and implementation
+ **************************************************************************/
+package org.eclipse.net4j.util.ui.dnd;
+
+import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.jface.viewers.ViewerDropAdapter;
+import org.eclipse.swt.dnd.Transfer;
+import org.eclipse.swt.dnd.TransferData;
+
+/**
+ * @author Eike Stepper
+ */
+public abstract class DNDDropAdapter<TYPE> extends ViewerDropAdapter
+{
+  private Transfer transfer;
+
+  protected DNDDropAdapter(Transfer transfer, StructuredViewer viewer)
+  {
+    super(viewer);
+    this.transfer = transfer;
+  }
+
+  public Transfer getTransfer()
+  {
+    return transfer;
+  }
+
+  @Override
+  public StructuredViewer getViewer()
+  {
+    return (StructuredViewer)super.getViewer();
+  }
+
+  @Override
+  public boolean performDrop(Object data)
+  {
+    Object target = getCurrentTarget();
+    if (target == null)
+    {
+      target = getViewer().getInput();
+    }
+
+    return performDrop((TYPE)data, target);
+  }
+
+  @Override
+  public boolean validateDrop(Object target, int op, TransferData type)
+  {
+    return transfer.isSupportedType(type) && validateTarget(target);
+  }
+
+  protected abstract boolean performDrop(TYPE data, Object target);
+
+  protected abstract boolean validateTarget(Object target);
+}
\ No newline at end of file