/// <summary>
/// Renders a quote element.
/// </summary>
protected override void RenderQuote(QuoteBlock element, IRenderContext context)
{
if (!(context is UIElementCollectionRenderContext localContext))
{
throw new RenderContextIncorrectException();
}
var blockUIElementCollection = localContext.BlockUIElementCollection;
var stackPanel = new StackPanel();
var childContext = new UIElementCollectionRenderContext(stackPanel.Children, context)
{
Parent = stackPanel
};
if (QuoteForeground != null && !localContext.OverrideForeground)
{
childContext.Foreground = QuoteForeground;
}
RenderBlocks(element.Blocks, childContext);
var border = new Border
{
Margin = QuoteMargin,
Background = QuoteBackground,
BorderBrush = childContext.OverrideForeground ? childContext.Foreground : QuoteBorderBrush ?? childContext.Foreground,
BorderThickness = QuoteBorderThickness,
Padding = QuotePadding,
Child = stackPanel
};
blockUIElementCollection.Add(border);
}
/// <summary>
/// Renders a list element.
/// </summary>
protected override void RenderListElement(ListBlock element, IRenderContext context)
{
if (!(context is UIElementCollectionRenderContext localContext))
{
throw new RenderContextIncorrectException();
}
var blockUIElementCollection = localContext.BlockUIElementCollection;
// Create a grid with two columns.
Grid grid = new Grid
{
Margin = ListMargin
};
// The first column for the bullet (or number) and the second for the text.
grid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(ListGutterWidth)
});
grid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
for (int rowIndex = 0; rowIndex < element.Items.Count; rowIndex++)
{
var listItem = element.Items[rowIndex];
// Add a row definition.
grid.RowDefinitions.Add(new RowDefinition {
Height = GridLength.Auto
});
// Add the bullet or number.
var bullet = CreateTextBlock(localContext);
bullet.Margin = ParagraphMargin;
switch (element.Style)
{
case ListStyle.Bulleted:
bullet.Text = "•";
break;
case ListStyle.Numbered:
bullet.Text = $"{rowIndex + 1}.";
break;
}
bullet.HorizontalAlignment = HorizontalAlignment.Right;
bullet.Margin = new Thickness(0, 0, ListBulletSpacing, 0);
Grid.SetRow(bullet, rowIndex);
grid.Children.Add(bullet);
// Add the list item content.
var content = new StackPanel();
var childContext = new UIElementCollectionRenderContext(content.Children, localContext);
RenderBlocks(listItem.Blocks, childContext);
Grid.SetColumn(content, 1);
Grid.SetRow(content, rowIndex);
grid.Children.Add(content);
}
blockUIElementCollection.Add(grid);
}
