/// <summary>
/// Renders a list element.
/// </summary>
/// <param name="element"></param>
/// <param name="currentBlocks"></param>
private void RenderListElement(ListElementBlock element, BlockCollection currentBlocks)
{
// Create a grid for the dot and the text
Grid grid = new Grid();
// The first column for the dot the second for the text
grid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Auto)
});
grid.ColumnDefinitions.Add(new ColumnDefinition()
{
Width = new GridLength(1, GridUnitType.Star)
});
// Make the dot container and the new text box
TextBlock dotText = new TextBlock();
dotText.Text = element.ListBullet;
Grid.SetColumn(dotText, 0);
// Add the indent
dotText.Margin = new Thickness(12 * element.ListIndent, 2, 0, 2);
grid.Children.Add(dotText);
RichTextBlock listText = new RichTextBlock();
Grid.SetColumn(listText, 1);
// Give the text some space from the dot and also from the top and bottom
listText.Margin = new Thickness(6, 2, 0, 2);
grid.Children.Add(listText);
// Make the inline container
InlineUIContainer uiConainter = new InlineUIContainer();
uiConainter.Child = grid;
// Make a paragraph to hold our list
Paragraph blockParagraph = new Paragraph();
blockParagraph.Inlines.Add(uiConainter);
// Make a paragraph to hold our list test
Paragraph inlineParagraph = new Paragraph();
listText.Blocks.Add(inlineParagraph);
// Add it to the blocks
currentBlocks.Add(blockParagraph);
// Render the children into the rich.
bool trimTextStart = true;
RenderInlineChildren(element, inlineParagraph.Inlines, ref trimTextStart);
}
/// <summary>
/// Called by all elements to find the next element to parse out of the markdown given a startingPos and an ending Pos
/// </summary>
/// <param name="markdown"></param>
/// <param name="startingPos"></param>
/// <param name="endingPost"></param>
/// <returns></returns>
public static MarkdownBlock FindNextBlock(ref string markdown, ref int startingPos, int endingPos)
{
// We need to look at the start of this current block and figure out what type it is.
// Find the next char that isn't a \n, \r, or ' ', keep track of white space
int spaceCount = 0;
while (markdown.Length > startingPos && endingPos > startingPos && (markdown[startingPos] == '\r' || markdown[startingPos] == '\n' || Char.IsWhiteSpace(markdown[startingPos])))
{
// If we find a space count it for the indent rules. If not reset the count.
spaceCount = markdown[startingPos] == ' ' ? spaceCount + 1 : 0;
startingPos++;
}
if (CodeBlock.CanHandleBlock(ref markdown, startingPos, endingPos, spaceCount))
{
return(new CodeBlock());
}
if (QuoteBlock.CanHandleBlock(ref markdown, startingPos, endingPos))
{
return(new QuoteBlock());
}
if (HeaderBlock.CanHandleBlock(ref markdown, startingPos, endingPos))
{
return(new HeaderBlock());
}
if (ListElementBlock.CanHandleBlock(ref markdown, startingPos, endingPos))
{
return(new ListElementBlock());
}
if (HorizontalRuleBlock.CanHandleBlock(ref markdown, startingPos, endingPos))
{
return(new HorizontalRuleBlock());
}
if (LineBreakBlock.CanHandleBlock(ref markdown, startingPos, endingPos))
{
return(new LineBreakBlock());
}
// If we can't match any of these just make a new paragraph.
return(new ParagraphBlock());
}
