public override bool VisitElementBefore(markdown.Element element)
{
string tag = element.tag;
if (_isBlockTag(tag))
{
// Debug.Log("tag---> " + tag);
_addAnonymousBLockIfNeeded(styleSheet.styles(tag));
if (_isListTag(tag))
{
_listIndents.Add(tag);
}
_blocks.Add(new _BlockElement(tag));
}
else
{
_addParentInlineIfNeeded(_blocks.last().tag);
TextStyle parentStyle = _inlines.last().style;
_inlines.Add(new _InlineElement(tag, parentStyle.merge(styleSheet.styles(tag))));
}
if (tag == "a")
{
_linkHandlers.Add(myDelegate.createLink(element.attributes["href"]));
}
return(true);
}
public override void VisitElementAfter(markdown.Element element)
{
string tag = element.tag;
if (_isBlockTag(tag))
{
_addAnonymousBLockIfNeeded(styleSheet.styles(tag));
_BlockElement current = _blocks.removeLast();
Widget child;
if (current.children.isNotEmpty())
{
child = new Column(null, null, null, MainAxisAlignment.start, MainAxisSize.max,
CrossAxisAlignment.stretch, VerticalDirection.down, current.children);
}
else
{
child = new SizedBox();
}
if (_isListTag(tag))
{
Debug.Assert(_listIndents.isNotEmpty(), "_listIndents.isNotEmpty()");
_listIndents.removeLast();
}
else if (tag == "li")
{
if (_listIndents.isNotEmpty())
{
child = new Row(
null,
null,
null,
MainAxisAlignment.start,
MainAxisSize.max,
CrossAxisAlignment.start,
VerticalDirection.down,
new List <Widget>()
{
new SizedBox(null, styleSheet.listIndent, null, _buildBullet(_listIndents.last())),
new Expanded(null, 1, child)
});
}
}
else if (tag == "blockquote")
{
child = new DecoratedBox(
null,
styleSheet.blockquoteDecoration,
DecorationPosition.background,
new Padding(
null,
EdgeInsets.all(styleSheet.blockquotePadding),
child));
}
else if (tag == "pre")
{
child = new DecoratedBox(
null,
styleSheet.codeblockDecoration,
DecorationPosition.background,
new Padding(
null,
EdgeInsets.all(styleSheet.codeblockPadding),
child));
}
else if (tag == "hr")
{
child = new DecoratedBox(
null,
styleSheet.horizontalRuleDecoration,
DecorationPosition.background,
child);
}
_addBlockChild(child);
}
else
{
_InlineElement current = _inlines.removeLast();
_InlineElement parent = _inlines.last();
if (tag == "img")
{
current.children.Add(_buildImage(element.attributes["src"]));
}
else if (tag == "a")
{
_linkHandlers.removeLast();
}
if (current.children.isNotEmpty())
{
parent.children.AddRange(current.children);
}
}
}