private BudgetEditorDragDropHandler(BudgetEditor budgetEditor, BudgetEditorCategoryRow categoryRow, Point dragStartPosition)
{
this.BudgetEditor = budgetEditor;
this.DragType = BudgetEditorDragTypes.Category;
this.CategoryRow = categoryRow;
this.DragStartPosition = dragStartPosition;
}
internal void OnDrop(DragEventArgs e)
{
UpdateDrag(e);
if (DragType == BudgetEditorDragTypes.Category)
{
TargetMasterCategory.HandleDrop(this);
}
else if (DragType == BudgetEditorDragTypes.MasterCategory)
{
BudgetEditor.HandleDrop(this);
}
}
public static BudgetEditorDragDropHandler CreateFromEvent(BudgetEditor budgetEditor, MouseButtonEventArgs e)
{
var point = e.GetPosition(budgetEditor);
var hitTest = VisualTreeHelper.HitTest(budgetEditor, point);
var categoryRow = hitTest?.VisualHit.FindParent <BudgetEditorCategoryRow>();
if (categoryRow != null)
{
return(new BudgetEditorDragDropHandler(budgetEditor, categoryRow, point));
}
var masterCategoryRow = hitTest?.VisualHit.FindParent <BudgetEditorMasterCategoryRow>();
if (masterCategoryRow != null)
{
return(new BudgetEditorDragDropHandler(budgetEditor, masterCategoryRow, point));
}
return(null);
}
private DragAdorner CreateDragAdorner()
{
DragVisual = CreateDragVisual();
var rootElement = Window.GetWindow(DraggingUIElement).Content as UIElement;
//var rootElement = DraggingUIElement.FindParent<ScrollViewer>();
DragAdorner adorner = new DragAdorner(rootElement, DragVisual, new Point(-4, -4));
adorner.MaxAdornerPosX = BudgetEditor.CategoryItemsScrollViewer?.ActualWidth + BudgetEditor.TranslatePoint(new Point(), rootElement).X;
return(adorner);
}