/// <summary>
/// This method expands out to the right the dialog
/// </summary>
public void ExpandBottom()
{
DoubleAnimation temp;
double offsetToMove = _expandedHeight - Height;
if (ElementRoot != null && _stateBottom == State.Normal || _stateBottom == State.Expanded)
{
if (_stateBottom == State.Expanded)
{
offsetToMove = -(Height - OriginalHeight);
}
for (int i = 0; i < ElementToggleExpandBottom.Children.Count; i++)
{
if (ElementToggleExpandBottom.Children[i] is DoubleAnimation)
{
temp = (DoubleAnimation)ElementToggleExpandBottom.Children[i];
switch (temp.GetValue(Storyboard.TargetNameProperty).ToString())
{
case ElementButtonsName:
temp.From = (double)ElementButtons.GetValue(Canvas.TopProperty);
temp.To = temp.From + offsetToMove;
break;
case ElementBottomContentName:
if (_stateBottom == State.Expanded)
{
temp.From = 0;
temp.To = offsetToMove;
}
else
{
temp.From = -offsetToMove;
temp.To = 0;
}
break;
default:
temp.From = Height;
temp.To = Height + offsetToMove;
break;
}
temp.Duration = _expandDuration;
}
}
_stateBottom = (_stateBottom == State.Normal ? State.Expanding : State.Collapsing);
if (_stateBottom == State.Expanding)
{
ElementWhole.Width = _expandedWidth;
ElementWhole.Height = (_expandedHeight > Height ? _expandedHeight : Height);
ElementClipping.Rect = new Rect(0, 0, ElementWhole.Width, ElementWhole.Height);
}
ElementToggleExpandBottom.Begin();
}
}
protected override void UpdateVisualState()
{
FrameworkElement right;
base.UpdateVisualState();
if (ElementRoot != null)
{
ElementRight.SetValue(Canvas.LeftProperty, OriginalWidth);
ElementBottom.SetValue(Canvas.TopProperty, (double)ElementButtons.GetValue(Canvas.TopProperty));
if (_expandedWidth >= OriginalWidth)
{
ElementRight.Width = _expandedWidth - OriginalWidth;
}
else
{
ElementRight.Width = 0;
}
ElementRight.Height = Height;
if (ElementRight.Width < 0d)
{
ElementRight.Width = 0d;
}
if (_expandedHeight >= OriginalHeight)
{
ElementBottom.Height = _expandedHeight - OriginalHeight;
}
else
{
ElementBottom.Height = 0;
}
ElementBottom.Width = Width;
if (ElementBottom.Height < 0d)
{
ElementBottom.Height = 0d;
}
if (ContentRight != null)
{
right = (FrameworkElement)ContentRight;
if (_stateRight == State.Normal)
{
right.SetValue(Canvas.LeftProperty, -ElementRight.Width);
}
else
{
right.SetValue(Canvas.LeftProperty, 0d);
}
right.Width = ElementRight.Width;
right.Height = Height;
}
if (ContentBottom != null)
{
right = (FrameworkElement)ContentBottom;
if (_stateBottom == State.Normal)
{
right.SetValue(Canvas.TopProperty, -ElementBottom.Height);
}
else
{
right.SetValue(Canvas.TopProperty, 0d);
}
right.Width = ElementBottom.Width;
right.Height = Height;
}
if (_stateRight == State.Expanded)
{
ElementRightClipping.Rect = new Rect(0d, 0d, ElementRight.Width, ElementRight.Height);
}
if (_stateBottom == State.Expanded)
{
ElementBottomClipping.Rect = new Rect(0d, 0d, ElementBottom.Width, ElementBottom.Height);
}
}
}
