/// Creates an object that builds a [Widget] tree from parsed Markdown.
public Builder(IMarkdownBuilderDelegate myDelegate, MarkdownStyleSheet styleSheet,
string imgDir)
{
this.myDelegate = myDelegate;
this.styleSheet = styleSheet;
this.imageDirectory = imgDir;
}
public TextSpan formatText(MarkdownStyleSheet styleSheet, string code)
{
//TODO: format code!
if (widget.syntaxHighlighter != null)
{
return(widget.syntaxHighlighter.format(code));
}
return(new TextSpan(code, styleSheet.code));
}
/// Creates a scrolling widget that parses and displays Markdown.
public Markdown(Key key = null,
String data = null,
MarkdownStyleSheet styleSheet = null,
SyntaxHighlighter syntaxHighlighter = null,
MarkdownTapLinkCallback onTapLink = null,
string imageDirectory = null) : base(key, data, styleSheet, syntaxHighlighter, onTapLink, imageDirectory)
{
this.padding = EdgeInsets.all(16);
}
/// Creates a widget that parses and displays Markdown.
///
/// The [data] argument must not be null.
protected MarkdownWidget(Key key, string data, MarkdownStyleSheet markdownStyleSheet,
SyntaxHighlighter syntaxHighlighter1, MarkdownTapLinkCallback onTapLink, string imageDirectory) : base(key)
{
Debug.Assert(data != null, "data != null");
this.data = data;
this.styleSheet = markdownStyleSheet;
this.syntaxHighlighter = syntaxHighlighter1;
this.onTapLink = onTapLink;
this.imageDirectory = imageDirectory;
}
void _parseMarkdown()
{
updateState(new List <Widget>());
MarkdownStyleSheet styleSheet = widget.styleSheet ?? MarkdownStyleSheet.fromTheme(new ThemeData(brightness: Brightness.light, fontFamily: "Avenir"));
_disposeRecongnizer();
// TODO: This can be optimized by doing the split and removing \r at the same time
string[] lines = widget.data.Replace("\r\n", "\n").Split('\n');
Document document = new Document();
MarkdownBuilder.Builder builder = new MarkdownBuilder.Builder(this, styleSheet, widget.imageDirectory);
List <Node> nodes = null;
// if (widget.getCachedParsed != null)
// {
// nodes = widget.getCachedParsed(widget.id);
// }
// _children = builder.build(document.parseLines(lines.ToList().remove(string.IsNullOrEmpty)));
if (buildThread != null && buildThread.ThreadState == ThreadState.Running)
{
buildThread.Abort();
}
buildThread = new Thread(() =>
{
try
{
Stopwatch sw = Stopwatch.StartNew();
if (nodes == null)
{
nodes = document.parseLines(lines.ToList());
}
if (widget.onParsed != null)
{
widget.onParsed(widget.id, nodes);
}
var elements = builder.Build(nodes);
Dispatcher.Invoke(() =>
{
updateState(elements);
});
sw.Stop();
Debug.Log(sw.ElapsedMilliseconds / 1000f);
}
catch (ThreadAbortException e)
{
Debug.Log(e.Message);
}
});
buildThread.Start();
}