private void MoveThumb_DragDelta(object sender, DragDeltaEventArgs e)
{
var designerItem = this.DataContext as Control;
if (designerItem != null)
{
MenuPageEditorViewModel menuPageEditor = designerItem.DataContext as MenuPageEditorViewModel;
if (_isMousePressMove == false)
{
menuPageEditor.CreateNewPropertyMementos();
menuPageEditor.PropertyMementos.AddPropertyMemento(new PropertyMemento("Raw_EditorRectLeft", menuPageEditor.EditorRectLeft, menuPageEditor.EditorRectLeft));
menuPageEditor.PropertyMementos.AddPropertyMemento(new PropertyMemento("Raw_EditorRectTop", menuPageEditor.EditorRectTop, menuPageEditor.EditorRectTop));
_isMousePressMove = true;
}
double left = Canvas.GetLeft(designerItem);
double top = Canvas.GetTop(designerItem);
double xOffset = e.HorizontalChange;
double yOffset = e.VerticalChange;
Rect doundingRect = new Rect(menuPageEditor.EditorRectLeft, menuPageEditor.EditorRectTop, menuPageEditor.EditorRectWidth, menuPageEditor.EditorRectHeight);
Snap(doundingRect, ref xOffset, ref yOffset);
Canvas.SetLeft(designerItem, left + xOffset);
Canvas.SetTop(designerItem, top + yOffset);
}
}
private void MoveThumb_DragCompleted(object sender, DragCompletedEventArgs e)
{
var designerItem = this.DataContext as Control;
if (designerItem != null && _isMousePressMove)
{
MenuPageEditorViewModel menuPageEditor = designerItem.DataContext as MenuPageEditorViewModel;
menuPageEditor.PropertyMementos.SetPropertyNewValue("Raw_EditorRectLeft", menuPageEditor.EditorRectLeft);
menuPageEditor.PropertyMementos.SetPropertyNewValue("Raw_EditorRectTop", menuPageEditor.EditorRectTop);
PropertyChangeCommand cmd = new PropertyChangeCommand(menuPageEditor, menuPageEditor.PropertyMementos);
(_page as ISupportUndo).UndoManager.Push(cmd);
}
}
private void ResizeThumb_DragDelta(object sender, DragDeltaEventArgs e)
{
Control designerItem = this.DataContext as Control;
if (designerItem != null)
{
if (_isMousePressMove == false)
{
MenuPageEditorViewModel menuPageEditor = designerItem.DataContext as MenuPageEditorViewModel;
menuPageEditor.CreateNewPropertyMementos();
menuPageEditor.PropertyMementos.AddPropertyMemento(new PropertyMemento("Raw_EditorRectLeft", menuPageEditor.EditorRectLeft, menuPageEditor.EditorRectLeft));
menuPageEditor.PropertyMementos.AddPropertyMemento(new PropertyMemento("Raw_EditorRectTop", menuPageEditor.EditorRectTop, menuPageEditor.EditorRectTop));
menuPageEditor.PropertyMementos.AddPropertyMemento(new PropertyMemento("Raw_EditorRectWidth", menuPageEditor.EditorRectWidth, menuPageEditor.EditorRectWidth));
menuPageEditor.PropertyMementos.AddPropertyMemento(new PropertyMemento("Raw_EditorRectHeight", menuPageEditor.EditorRectHeight, menuPageEditor.EditorRectHeight));
_isMousePressMove = true;
}
double deltaVertical, deltaHorizontal;
switch (VerticalAlignment)
{
case VerticalAlignment.Bottom:
deltaVertical = e.VerticalChange;
double snapBottom = Canvas.GetTop(designerItem) + (designerItem.ActualHeight + e.VerticalChange);
double snapBottomDelta = CalculateSnapChangeDelta(snapBottom, Service.Document.Orientation.Vertical);
deltaVertical += snapBottomDelta;
deltaVertical = Math.Min(-deltaVertical, designerItem.ActualHeight - designerItem.MinHeight);
designerItem.Height -= deltaVertical;
break;
case VerticalAlignment.Top:
deltaVertical = Math.Min(e.VerticalChange, designerItem.ActualHeight - designerItem.MinHeight);
double snapTop = Canvas.GetTop(designerItem) + deltaVertical;
double snapTopDelta = CalculateSnapChangeDelta(snapTop, Service.Document.Orientation.Vertical);
deltaVertical += snapTopDelta;
Canvas.SetTop(designerItem, Canvas.GetTop(designerItem) + deltaVertical);
designerItem.Height -= deltaVertical;
break;
default:
break;
}
switch (HorizontalAlignment)
{
case HorizontalAlignment.Left:
deltaHorizontal = Math.Min(e.HorizontalChange, designerItem.ActualWidth - designerItem.MinWidth);
double snapLeft = Canvas.GetLeft(designerItem) + deltaHorizontal;
double snapLeftDelta = CalculateSnapChangeDelta(snapLeft, Service.Document.Orientation.Vertical);
deltaHorizontal += snapLeftDelta;
Canvas.SetLeft(designerItem, Canvas.GetLeft(designerItem) + deltaHorizontal);
designerItem.Width -= deltaHorizontal;
break;
case HorizontalAlignment.Right:
deltaHorizontal = e.HorizontalChange;
double snapRight = Canvas.GetLeft(designerItem) + (designerItem.ActualWidth + e.HorizontalChange);
double snapRightDelta = CalculateSnapChangeDelta(snapRight, Service.Document.Orientation.Vertical);
deltaHorizontal += snapRightDelta;
deltaHorizontal = Math.Min(-deltaHorizontal, designerItem.ActualWidth - designerItem.MinWidth);
designerItem.Width -= deltaHorizontal;
break;
default:
break;
}
}
e.Handled = true;
}
