private void OnGalleryControlDragOver(object sender, DragEventArgs e)
{
if (e.Data.GetDataPresent(typeof(List <GalleryItem>)))
{
e.Effect = DragDropEffects.Move;
}
GalleryControl gallery = (GalleryControl)sender;
RibbonHitInfo hitInfo = gallery.CalcHitInfo(gallery.PointToClient(new Point(e.X, e.Y)));
targetHighlightItem = hitInfo.GalleryItem;
gallery.Invalidate();
}
private void galleryControl1_DragDrop(object sender, DragEventArgs e)
{
if (!(e.Data.GetDataPresent(typeof(GalleryItem))))
{
return;
}
GalleryItem draggedItem = e.Data.GetData(typeof(GalleryItem)) as GalleryItem;
GalleryControl galControl = (GalleryControl)sender;
RibbonHitInfo hitInfo = galControl.CalcHitInfo(galControl.PointToClient(new Point(e.X, e.Y)));
if (hitInfo.InGalleryGroup)
{
draggedItem.GalleryGroup.Items.Remove(draggedItem);
hitInfo.GalleryItemGroup.Items.Add((GalleryItem)draggedItem);
}
dragItemHitInfo = null;
galleryControlClient1.Invalidate();
}
private void OnTargetGalleryDragDrop(object sender, DragEventArgs e)
{
if (!(e.Data.GetDataPresent(typeof(GalleryItem))))
{
return;
}
GalleryItem draggedItem = e.Data.GetData(typeof(GalleryItem)) as GalleryItem;
GalleryControl galControl = (GalleryControl)sender;
RibbonHitInfo hitInfo = galControl.CalcHitInfo(galControl.PointToClient(new Point(e.X, e.Y)));
if (hitInfo.InGalleryGroup)
{
hitInfo.GalleryItemGroup.Items.Add((GalleryItem)draggedItem.Clone());
}
else
{
int groupIndex = galControl.Gallery.Groups.Add(new GalleryItemGroup());
galControl.Gallery.Groups[groupIndex].Caption = draggedItem.GalleryGroup.Caption;
galControl.Gallery.Groups[groupIndex].Items.Add((GalleryItem)draggedItem.Clone());
}
}
private void OnGalleryControlDragDrop(object sender, DragEventArgs e)
{
if (!e.Data.GetDataPresent(typeof(List <GalleryItem>)) || DragSource == null)
{
return;
}
GalleryControl dragTarget = (GalleryControl)sender;
RibbonHitInfo hitInfo = dragTarget.CalcHitInfo(dragTarget.PointToClient(new Point(e.X, e.Y)));
GalleryItem targetItem = hitInfo.GalleryItem;
if (targetItem != null)
{
GalleryItemCollection target = targetItem.GalleryGroup.Items;
int index = target.IndexOf(targetItem);
List <GalleryItem> draggedItems = (List <GalleryItem>)e.Data.GetData(typeof(List <GalleryItem>));
foreach (GalleryItem item in draggedItems)
{
GalleryItemCollection source = item.GalleryGroup.Items;
source.Remove(item);
target.Insert(index++, item);
}
}
targetHighlightItem = null;
}
