/*
* Function called when an element is dropped inside the container.
*/
private void OnCursorDrop(object sender, SurfaceDragDropEventArgs args)
{
SurfaceDragCursor droppingCursor = args.Cursor;
// check if item is not already in the container
if (!Items.Contains(droppingCursor.Data))
{
Point center = droppingCursor.GetPosition(this);
center.X = ((center.X - 45) / this.ActualWidth) * 100;
center.Y = ((center.Y - 65) / this.ActualHeight) * 100;
((SimpleCard)droppingCursor.Data).center = center;
// Add item in the container
((ObservableCollection <SimpleCard>)ItemsSource).Add((SimpleCard)droppingCursor.Data);
// set the properties of the item just dropped
var svi = ItemContainerGenerator.ContainerFromItem(droppingCursor.Data) as ScatterViewItem;
if (svi != null)
{
svi.Center = droppingCursor.GetPosition(this);
svi.Orientation = droppingCursor.GetOrientation(this);
svi.Height = droppingCursor.Visual.ActualHeight;
svi.Width = droppingCursor.Visual.ActualWidth;
svi.SetRelativeZIndex(RelativeScatterViewZIndex.Topmost);
svi.Orientation = 0;
svi.CanRotate = false;
svi.CanScale = false;
}
}
}
private void OnMainDrag(object sender, InputEventArgs e)
{
FrameworkElement findSource = e.OriginalSource as FrameworkElement;
SurfaceListBoxItem draggedElement = null;
// Find the touched SurfaceListBoxItem object.
while (draggedElement == null && findSource != null)
{
if ((draggedElement = findSource as SurfaceListBoxItem) == null)
{
findSource = VisualTreeHelper.GetParent(findSource) as FrameworkElement;
}
}
if (draggedElement == null)
{
return;
}
// Create the cursor visual.
ContentControl cursorVisual = new ContentControl()
{
Content = draggedElement.DataContext,
Style = FindResource("CursorStyle") as Style
};
// Add a handler. This will enable the application to change the visual cues.
SurfaceDragDrop.AddTargetChangedHandler(cursorVisual, OnTargetChanged);
// Create a list of input devices. Add the touches that
// are currently captured within the dragged element and
// the current touch (if it isn't already in the list).
List <InputDevice> devices = new List <InputDevice>();
devices.Add(e.Device);
foreach (TouchDevice touch in draggedElement.TouchesCapturedWithin)
{
if (touch != e.Device)
{
devices.Add(touch);
}
}
// Get the drag source object
ItemsControl dragSource = ItemsControl.ItemsControlFromItemContainer(draggedElement);
SurfaceDragCursor startDragOkay =
SurfaceDragDrop.BeginDragDrop(
dragSource, // The SurfaceListBox object that the cursor is dragged out from.
draggedElement, // The SurfaceListBoxItem object that is dragged from the drag source.
cursorVisual, // The visual element of the cursor.
draggedElement.DataContext, // The data associated with the cursor.
devices, // The input devices that start dragging the cursor.
DragDropEffects.Move); // The allowed drag-and-drop effects of the operation.
// If the drag began successfully, set e.Handled to true.
// Otherwise SurfaceListBoxItem captures the touch
// and causes the drag operation to fail.
e.Handled = (startDragOkay != null);
}
private void OnCursorDrop(object sender, SurfaceDragDropEventArgs args)
{
SurfaceDragCursor droppingCursor = args.Cursor;
if (!HandListBox.Items.Contains(droppingCursor.Data))
{
((ObservableCollection <SimpleCard>)HandListBox.ItemsSource).Add((SimpleCard)droppingCursor.Data);
}
}
private void OnDeckButtonCursorDrop(object sender, SurfaceDragDropEventArgs args)
{
SurfaceDragCursor droppingCursor = args.Cursor;
if (!((VMGame)DataContext).Deck.Contains((SimpleCard)droppingCursor.Data))
{
((VMGame)DataContext).Deck.Insert(0, (SimpleCard)droppingCursor.Data);
((VMGame)DataContext).DeckCount = "Deck " + ((VMGame)DataContext).Deck.Count;
}
}
private void OnExileButtonCursorDrop(object sender, SurfaceDragDropEventArgs args)
{
SurfaceDragCursor droppingCursor = args.Cursor;
if (!((VMGame)DataContext).Exile.Contains((SimpleCard)droppingCursor.Data))
{
((VMGame)DataContext).Exile.Insert(0, (SimpleCard)droppingCursor.Data);
ExileButton.Background = new ImageBrush {
ImageSource = ((SimpleCard)droppingCursor.Data).Bitmap
};
}
}
private void StartDragDrop(ListBox sourceListBox, InputEventArgs e)
{
DependencyObject downSource = InputDeviceHelper.GetDragSource(e.Device);
Debug.Assert(downSource != null);
SurfaceListBoxItem draggedListBoxItem = GetVisualAncestor <SurfaceListBoxItem>(downSource);
if (draggedListBoxItem == null)
{
return;
}
SimpleCard data = draggedListBoxItem.Content as SimpleCard;
// Create a new ScatterViewItem as cursor visual.
ScatterViewItem cursorVisual = new ScatterViewItem();
cursorVisual.Style = (Style)FindResource("ScatterItemStyle");
cursorVisual.Content = data;
IEnumerable <InputDevice> devices = null;
TouchEventArgs touchEventArgs = e as TouchEventArgs;
if (touchEventArgs != null)
{
devices = MergeInputDevices(draggedListBoxItem.TouchesCapturedWithin, e.Device);
}
else
{
devices = new List <InputDevice>(new InputDevice[] { e.Device });
}
SurfaceDragCursor cursor = SurfaceDragDrop.BeginDragDrop(HandListBox, draggedListBoxItem, cursorVisual, data, devices, DragDropEffects.All);
// Reset the input device's state.
InputDeviceHelper.ClearDeviceState(e.Device);
((ObservableCollection <SimpleCard>) this.HandListBox.ItemsSource).Remove(data);
}
private void DragSourcePreviewInputDeviceDown(object sender, InputEventArgs e)
{
FrameworkElement findSource = e.OriginalSource as FrameworkElement;
ScatterViewItem draggedElement = null;
// Find the ScatterViewItem object that is being touched.
while (draggedElement == null && findSource != null)
{
if ((draggedElement = findSource as ScatterViewItem) == null)
{
findSource = VisualTreeHelper.GetParent(findSource) as FrameworkElement;
}
}
if (draggedElement == null)
{
return;
}
DragableImageItem data = draggedElement.Content as DragableImageItem;
// If the data has not been specified as draggable,
// or the ScatterViewItem cannot move, return.
if (data == null || !data.CanDrag || !draggedElement.CanMove)
{
return;
}
// Set the dragged element. This is needed in case the drag operation is canceled.
data.DraggedElement = draggedElement;
// Create the cursor visual.
ContentControl cursorVisual = new ContentControl()
{
Content = draggedElement.DataContext,
Style = FindResource("CursorStyle") as Style
};
// Create a list of input devices,
// and add the device passed to this event handler.
List <InputDevice> devices = new List <InputDevice>();
devices.Add(e.Device);
// If there are touch devices captured within the element,
// add them to the list of input devices.
foreach (InputDevice device in draggedElement.TouchesCapturedWithin)
{
if (device != e.Device)
{
devices.Add(device);
}
}
// Get the drag source object.
ItemsControl dragSource = ItemsControl.ItemsControlFromItemContainer(draggedElement);
// Start the drag-and-drop operation.
SurfaceDragCursor cursor =
SurfaceDragDrop.BeginDragDrop(
// The ScatterView object that the cursor is dragged out from.
dragSource,
// The ScatterViewItem object that is dragged from the drag source.
draggedElement,
// The visual element of the cursor.
cursorVisual,
// The data attached with the cursor.
draggedElement.DataContext,
// The input devices that start dragging the cursor.
devices,
// The allowed drag-and-drop effects of the operation.
DragDropEffects.Move);
// If the cursor was created, the drag-and-drop operation was successfully started.
if (cursor != null)
{
// Hide the ScatterViewItem.
draggedElement.Visibility = Visibility.Hidden;
// This event has been handled.
e.Handled = true;
}
}
/*
* Function called if the mouse button is down
*/
private void OnDragSourcePreviewMouseDown(object sender, MouseButtonEventArgs e)
{
FrameworkElement findSource = e.OriginalSource as FrameworkElement;
ScatterViewItem draggedElement = null;
// Find the ScatterViewItem object that is being touched.
while (draggedElement == null && findSource != null)
{
if ((draggedElement = findSource as ScatterViewItem) == null)
{
findSource = VisualTreeHelper.GetParent(findSource) as FrameworkElement;
}
}
// In case no element has been clicked
if (draggedElement == null)
{
return;
}
SimpleCard data = draggedElement.Content as SimpleCard;
// If the data has not been specified as draggable,
// or the ScatterViewItem cannot move, return.
if (data == null)
{
return;
}
// Create the cursor visual.
ScatterViewItem cursorVisual = new ScatterViewItem()
{
Content = draggedElement.DataContext,
Style = FindResource("ScatterItemStyle") as Style
};
// Create a list of input devices. Add the touches that
// are currently captured within the dragged element and
// the current touch (if it isn't already in the list).
List <InputDevice> devices = new List <InputDevice>();
devices.Add(e.Device);
foreach (TouchDevice touch in draggedElement.TouchesCapturedWithin)
{
if (touch != e.Device)
{
devices.Add(touch);
}
}
// Get the drag source object
ItemsControl dragSource = ItemsControl.ItemsControlFromItemContainer(draggedElement);
SurfaceDragCursor startDragOkay =
SurfaceDragDrop.BeginDragDrop(
dragSource, // The ScatterView object that the cursor is dragged out from.
draggedElement, // The ScatterViewItem object that is dragged from the drag source.
cursorVisual, // The visual element of the cursor.
draggedElement.DataContext, // The data attached with the cursor.
devices, // The input devices that start dragging the cursor.
DragDropEffects.Move); // The allowed drag-and-drop effects of the operation.
if (startDragOkay != null)
{
// Set e.Handled to true, otherwise the ScatterViewItem will capture the touch
// and cause the BeginDragDrop to fail.
e.Handled = true;
// Hide the ScatterViewItem.
draggedElement.Visibility = Visibility.Hidden;
}
// Remove the element from the container
((ObservableCollection <SimpleCard>) this.scatterView.ItemsSource).Remove(data);
}
void ProcessDropTarget(SurfaceDragCursor cursor,
ObservableCollection<object> src,
ObservableCollection<object> dst,
int NewResolutionCode)
{
if (cursorState == null)
return;
bool handled = false;
if (cursor.DragSource == cursor.CurrentTarget || src == null || dst==null)
{
DragCanceled();
}
else
{
switch(cursorState.Operation)
{
case DragCursorState.OperationType.None:
break;
case DragCursorState.OperationType.ResolveAgreement:
if (cursor.Data is ArgPoint)
{
ArgPoint ap = cursor.Data as ArgPoint;
if (src.Contains(ap))
src.Remove(ap);
dst.Add(ap);
ap.AgreementCode = NewResolutionCode;
handled = true;
}
else if (cursor.Data is BadgeFolder)
{
int ResolutionCode = -1;
if (cursor.CurrentTarget == unsolved)
ResolutionCode = (int)AgreementCode.UnsolvedAndGrouped;
else if(cursor.CurrentTarget == agreement)
ResolutionCode = (int)AgreementCode.AgreedAndGrouped;
else if(cursor.CurrentTarget == disagreement)
ResolutionCode = (int)AgreementCode.DisagreedAndGrouped;
if (ResolutionCode != -1)
{
BadgeFolder bf = cursor.Data as BadgeFolder;
// ScatterViewItem
FrameworkElement itemContainer = (FrameworkElement)bf.Parent;
if (itemContainer != null && itemContainer.Parent is ScatterViewItem)
itemContainer = (FrameworkElement)itemContainer.Parent;
if (itemContainer != null && itemContainer is ScatterViewItem)
{
if (src.Contains(itemContainer))
{
src.Remove(itemContainer);
}
if (itemContainer is ContentControl)
{
if ((itemContainer as ContentControl).Content is Viewbox)
((itemContainer as ContentControl).Content as Viewbox).Child = null;
(itemContainer as ContentControl).Content = null;
}
if(cursor.CurrentTarget==unsolved)
dst.Add(CreateContainer(bf));
else
dst.Add(CreateSmallContainer(bf));
foreach (ArgPoint ap in bf.model.ArgPoint)
ap.AgreementCode = ResolutionCode;
handled = true;
}
}
}
break;
case DragCursorState.OperationType.MoveToGroup:
if (cursorState.currentTarget is BadgeFolder &&
cursorState.draggedItem is ScatterViewItem &&
(cursorState.draggedItem as ScatterViewItem).Content is ArgPoint)
{
if(MoveToGroup((BadgeFolder)cursorState.currentTarget,
(ArgPoint)(cursorState.draggedItem as ScatterViewItem).Content))
handled = true;
}
break;
case DragCursorState.OperationType.MoveFromGroup:
if (cursorState.DragSrc is BadgeFolder &&
cursorState.currentTarget == unsolved &&
(cursorState.draggedItem as ListBoxItem).Content is ArgPoint)
{
MoveFromGroup((BadgeFolder)cursorState.DragSrc,
(ArgPoint)(cursorState.draggedItem as ListBoxItem).Content);
handled = true;
}
break;
case DragCursorState.OperationType.MergeWith:
if ((cursorState.draggedItem as ScatterViewItem).Content is ArgPoint)
{
Badge target = (Badge)cursorState.currentTarget;
MergeTwoBadges((ArgPoint)target.DataContext,
(ArgPoint)(cursorState.draggedItem as ScatterViewItem).Content);
handled = true;
}
break;
}
}
DragCanceled();
if (handled)
{
CtxSingleton.SaveChangesIgnoreConflicts();
//reset sviRotationBlocked to force-align new badges at next tick
sviRotationBlocked = false;
HighlightOwnSmallBadges();
_sharedClient.clienRt.SendNotifyStructureChanged(selectedTopic.Id);
}
dragDropTooltip.Content = "";
cursorState = null;
}
