private void HandleDropCommand(DragEventArgs args)
{
IDataObject data = args.Data;
if (data.GetDataPresent(SerializableNameUtils.GetName(DragDataType.LayerListNode)))
{
ILayer draggedLayer = data.GetData(SerializableNameUtils.GetName(DragDataType.LayerListNode)) as ILayer;
if (draggedLayer != null)
{
if (this.IsDragAbove.Value)
{
this.layer.AddLayerAbove(draggedLayer);
}
else if (this.IsDragOnto.Value)
{
this.layer.AddLayer(draggedLayer);
}
else if (this.IsDragBelow.Value)
{
this.layer.AddLayerBelow(draggedLayer);
}
}
}
this.IsDragAbove.Value = false;
this.IsDragOnto.Value = false;
this.IsDragBelow.Value = false;
args.Handled = true;
}
private void StartDrag(MouseEventArgs args)
{
this.isDragging = true;
DataObject data = new DataObject(SerializableNameUtils.GetName(DragDataType.LayerListNode), this.Layer);
DependencyObject dragSource = args.Source as DependencyObject;
DragDrop.DoDragDrop(dragSource, data, DragDropEffects.Move);
this.isDragging = false;
}
private void HandleDropCommand(DragEventArgs args)
{
IDataObject data = args.Data;
if (data.GetDataPresent(SerializableNameUtils.GetName(DragDataType.ExplorerMapNode)))
{
Map draggedMap = data.GetData(SerializableNameUtils.GetName(DragDataType.ExplorerMapNode)) as Map;
this.Project.Maps.Insert(0, draggedMap);
}
this.IsDragAbove.Value = false;
this.IsDragOnto.Value = false;
this.IsDragBelow.Value = false;
args.Handled = true;
}
private void HandleDropCommand(DragEventArgs args)
{
IDataObject data = args.Data;
if (data.GetDataPresent(SerializableNameUtils.GetName(DragDataType.LayerListNode)))
{
ILayer draggedLayer = data.GetData(SerializableNameUtils.GetName(DragDataType.LayerListNode)) as ILayer;
this.Session.CurrentMap.Value.AddLayer(draggedLayer);
}
args.Handled = true;
ILayerListNodeViewModel lastLayertNode = this.LayerNodes.Last <ILayerListNodeViewModel>();
lastLayertNode.IsDragBelow.Value = false;
}
private void HandleDragEnterCommand(DragEventArgs args)
{
IDataObject data = args.Data;
if (!data.GetDataPresent(SerializableNameUtils.GetName(DragDataType.LayerListNode)))
{
return;
}
ILayer draggedLayer = data.GetData(SerializableNameUtils.GetName(DragDataType.LayerListNode)) as ILayer;
if (draggedLayer == this.Layer)
{
return;
}
DrawSeparator(args);
args.Handled = true;
}
private void HandleDropCommand(DragEventArgs args)
{
IDataObject data = args.Data;
if (data.GetDataPresent(SerializableNameUtils.GetName(DragDataType.ExplorerLayerNode)))
{
ILayer draggedLayer = data.GetData(SerializableNameUtils.GetName(DragDataType.ExplorerLayerNode)) as ILayer;
this.Map.Layers.Insert(0, draggedLayer);
}
else if (data.GetDataPresent(SerializableNameUtils.GetName(DragDataType.ExplorerMapNode)))
{
Map draggedMap = data.GetData(SerializableNameUtils.GetName(DragDataType.ExplorerMapNode)) as Map;
}
else if (data.GetDataPresent(SerializableNameUtils.GetName(DragDataType.ExplorerProjectNode)))
{
Project draggedProject = data.GetData(SerializableNameUtils.GetName(DragDataType.ExplorerMapNode)) as Project;
}
this.IsDragAbove.Value = false;
this.IsDragOnto.Value = false;
this.IsDragBelow.Value = false;
args.Handled = true;
}
private void DrawSeparator(DragEventArgs args)
{
IDataObject data = args.Data;
if (!data.GetDataPresent(SerializableNameUtils.GetName(DragDataType.LayerListNode)))
{
return;
}
ILayer draggedLayer = data.GetData(SerializableNameUtils.GetName(DragDataType.LayerListNode)) as ILayer;
if (draggedLayer == this.layer)
{
return;
}
UIElement dragSource = args.Source as UIElement;
double heightMiddle = dragSource.RenderSize.Height / 2;
bool isBelow = args.GetPosition(dragSource).Y - heightMiddle > 0;
this.IsDragAbove.Value = !isBelow;
this.IsDragBelow.Value = isBelow;
}
