public void StartDragDrop(object sender, InputDevice device, object src) {
//if (!layer.Service.Settings.CanEdit) return;
var mf = sender;
// Check whether the input device is in the ignore list.
if (ignoredDeviceList.Contains(device)) return;
InputDeviceHelper.InitializeDeviceState(device);
// try to start drag-and-drop,
// verify that the cursor the contact was placed at is a ListBoxItem
// DependencyObject downSource = sender as DependencyObject;
// FrameworkElement parrent = mf.Parent as FrameworkElement;
// var source = GetVisualAncestor<FrameworkElement>(downSource);
var findSource = src as FrameworkElement;
//var parrent = GetVisualAncestor<FrameworkElement>(downSource);
// var cursorVisual = new ucDocument(){Document = new Document(){Location = mf.Location}};
// var cursorVisual = new ListFeatureView() { CanBeDragged = false };
var cursorVisual = new TaskDragItem {
Task = Task,
IsDragging = true,
Plugin = Plugin,
DataContext = mf,
Width = 75,
Height = 75
};
var devices = new List<InputDevice>(new[] {device});
SurfaceDragDrop.BeginDragDrop(this, findSource, cursorVisual, mf, devices, DragDropEffects.Copy);
// Reset the input device's state.
InputDeviceHelper.ClearDeviceState(device);
ignoredDeviceList.Remove(device);
}
public void Drop(object sender, SurfaceDragDropEventArgs e) {
var border = sender as Border;
if (border == null) return;
border.Background = Brushes.Red;
if (!visitedBorders.Contains(border))
visitedBorders.Add(border);
taskDragItem = e.Cursor.Data as TaskDragItem;
if (taskDragItem == null || taskDragItem.Service == null || taskDragItem.Task == null) return;
activeTask = taskDragItem.Task;
Lead = Followers = string.Empty;
if (visitedBorders.Count > 0) {
Lead = (string) visitedBorders[0].DataContext;
if (visitedBorders.Count > 1) {
var sb = new StringBuilder();
for (var i = 1; i < visitedBorders.Count; i++) {
var visitedBorder = visitedBorders[i];
sb.Append((string) visitedBorder.DataContext);
sb.Append(", ");
}
Followers = sb.ToString().TrimEnd(new[] {',', ' '});
}
else Followers = "-";
}
activeTask.Labels[RecipientsKey] = visitedBorders.Count <= 1
? Lead
: string.Format("{0}, {1}", Lead, Followers);
ShowConfirmation = true;
RemoveFloatingElement();
e.Handled = true;
}