protected virtual void OnCollapsed()
{
if (IsVisible && _isTemplateApplyPostponed)
{
OnApplyTemplate();
}
if (!AutoResizeGrid)
{
_expandSite.SetCurrentValue(VisibilityProperty, Visibility.Collapsed);
return;
}
if (!(Parent is Grid grid))
{
return;
}
switch (ExpandDirection)
{
case ExpandDirection.Left:
case ExpandDirection.Right:
{
var column = Grid.GetColumn(this);
var columnDefinition = grid.ColumnDefinitions[column];
if (_previousMaxLength is null)
{
_previousMaxLength = columnDefinition.MaxWidth;
}
_previousActualLength = columnDefinition.ActualWidth;
AnimateMaxWidth(columnDefinition, columnDefinition.ActualWidth, _headerSiteBorder.ActualWidth, ExpandDuration);
break;
}
case ExpandDirection.Up:
case ExpandDirection.Down:
{
var row = Grid.GetRow(this);
var rowDefinition = grid.RowDefinitions[row];
if (_previousMaxLength is null)
{
_previousMaxLength = rowDefinition.MaxHeight;
}
_previousActualLength = rowDefinition.ActualHeight;
AnimateMaxHeight(rowDefinition, rowDefinition.ActualHeight, _headerSiteBorder.ActualHeight, ExpandDuration);
break;
}
}
}
private void UpdateWaterMarkMargin()
{
if (_watermarkHost is null)
{
return;
}
var padding = Padding;
var margin = new Thickness(padding.Left + 2d, padding.Top, padding.Right + 2d, padding.Bottom);
_watermarkHost.SetCurrentValue(MarginProperty, margin);
}
private void SetVisibiltyForTitleBarElements(bool visible)
{
var value = visible ? Visibility.Visible : Visibility.Collapsed;
titleBar?.SetCurrentValue(VisibilityProperty, value);
title?.SetCurrentValue(VisibilityProperty, value);
SetVisibiltyForIcon();
leftWindowCommands?.SetValue(VisibilityProperty, value);
rightWindowCommands?.SetValue(VisibilityProperty, value);
windowButtons?.SetCurrentValue(VisibilityProperty, value);
SetWindowEvents();
}
private void ClearEffect(ContentPresenter presenter)
{
if (presenter == null)
{
return;
}
if (ReferenceEquals(_effectBottomPresenter, presenter))
{
_effectBottomPresenter.SetCurrentValue(EffectProperty, null);
return;
}
presenter.SetCurrentValue(EffectProperty, null);
ClearEffect(presenter.Content as ContentPresenter);
}
