private void CreateBottomMarginControls(Decorator parent)
{
var height = _settings.PreviewHeight;
var splitter = new GridSplitter {
Height = 5,
ResizeDirection = GridResizeDirection.Rows,
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch
};
splitter.DragCompleted += BottomDragCompleted;
var grid = new Grid {
RowDefinitions =
{
new RowDefinition {
Height = new GridLength(0, GridUnitType.Star)
},
new RowDefinition {
Height = new GridLength(5, GridUnitType.Pixel)
},
new RowDefinition {
Height = new GridLength(height, GridUnitType.Pixel)
}
},
ColumnDefinitions = { new ColumnDefinition() },
Children =
{
splitter.SetGridPosition(1, 0),
_webBrowser.SetGridPosition(2, 0)
}
};
parent.Child = grid;
}
private void CreateRightMarginControl(Decorator parent)
{
var width = _settings.PreviewWidth;
var splitter = new GridSplitter {
Width = 5,
ResizeDirection = GridResizeDirection.Columns,
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch
};
splitter.DragCompleted += RightDragCompleted;
var grid = new Grid {
ColumnDefinitions =
{
new ColumnDefinition {
Width = new GridLength(0, GridUnitType.Star)
},
new ColumnDefinition {
Width = new GridLength(5, GridUnitType.Pixel)
},
new ColumnDefinition {
Width = new GridLength(width, GridUnitType.Pixel), MinWidth = 150
}
},
RowDefinitions = { new RowDefinition() },
Children =
{
splitter.SetGridPosition(0, 1),
_webBrowser.SetGridPosition(0, 2)
}
};
parent.Child = grid;
var fixWidth = new Action(() => {
// previewWindow maxWidth = current total width - textView minWidth
var newWidth = (_textView.ViewportWidth + grid.ActualWidth) - 150;
// preveiwWindow maxWidth < previewWindow minWidth
if (newWidth < 150)
{
// Call 'get before 'set for performance
if (grid.ColumnDefinitions[2].MinWidth > 0)
{
grid.ColumnDefinitions[2].MinWidth = 0;
grid.ColumnDefinitions[2].MaxWidth = 0;
}
}
else
{
grid.ColumnDefinitions[2].MaxWidth = newWidth;
// Call 'get before 'set for performance
if (grid.ColumnDefinitions[2].MinWidth > 0)
{
grid.ColumnDefinitions[2].MinWidth = 150;
}
}
});
// Listen sizeChanged event of both marginGrid and textView
grid.SizeChanged += (e, s) => fixWidth();
_textView.ViewportWidthChanged += (e, s) => fixWidth();
}