// assume image's format is fixed
private static Widget ProcessImage(Token token, BuilderContext ctx)
{
var imageName = token.attrs.Single(attr => attr[0] == "src")[1];
var version = DocApp.of(ctx.Context).version;
var url =
$"{Configuration.Instance.cdnPrefix}/{version.unity_version}/{version.parse_version}/manual/static/{imageName.Replace('-', '_')}";
var widgets = new List <Widget>
{
new ImageWithPlaceholder(
ctx.ImageMetas[imageName].width,
ctx.ImageMetas[imageName].height,
new NetworkImage(url)
),
};
if (token.children != null &&
token.children.Count == 1 &&
token.children[0].type == "text")
{
widgets.Add(
new Container(
margin: EdgeInsets.only(top: 8.0f),
child: new SelectableText(
token.children[0].content,
style: new TextStyle(
color: new Color(0xff9b9b9b),
fontFamily: "PingFang"
)
)
)
);
}
ctx.ImageNode = new Container(
margin: EdgeInsets.only(top: 16.0f),
child: new Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: widgets
)
);
return(null);
}
private void Load()
{
_loading = true;
var version = DocApp.of(context).version;
var url =
$"{Configuration.Instance.cdnPrefix}/{version.unity_version}/{version.parse_version}/manual/json/{widget._title.Replace('-', '_')}.json";
var request = UnityWebRequest.Get(url);
var asyncOperation = request.SendWebRequest();
asyncOperation.completed += operation =>
{
if (!mounted)
{
return;
}
using (WindowProvider.of(context).getScope())
{
if (request.responseCode == 404)
{
DocApp.of(context).ForceUnknown();
}
else
{
var content = DownloadHandlerBuffer.GetContent(request);
var model = ManualModel.FromJson(JsonValue.Parse(content));
setState(() =>
{
_tokens = model.tokens;
_prevLink = model.prev;
_nextLink = model.next;
_breadcrumbs = model.bread_crumb;
_imageMetas = model.image_meta;
_loading = false;
});
}
}
};
}
public override void initState()
{
base.initState();
_currentLastSegment = LastSegment(ObservableUtil.currentPath.value);
ObservableUtil.currentPath.OnChanged += OnPathChanged;
var version = DocApp.of(context).version;
var request = UnityWebRequest.Get($"{Configuration.Instance.cdnPrefix}/{version.unity_version}/{version.parse_version}/{widget._type.TocFileName()}");
var asyncOperation = request.SendWebRequest();
asyncOperation.completed += operation =>
{
if (!mounted)
{
return;
}
var content = DownloadHandlerBuffer.GetContent(request);
using (WindowProvider.of(context).getScope())
{
setState(() => _menu = Models.Json.Menu.FromJson(JsonValue.Parse(content)));
}
};
}
private Widget BuildTextUsingMixedContent(
BuildContext context,
IEnumerable <MixedContent> summary)
{
if (summary is null)
{
return(new Container());
}
var version = DocApp.of(context).version;
return(new SelectableWealthyText(
textSpanList: summary.Select(item =>
{
switch (item)
{
case DocumentCharData charData:
return new TextSpan(charData.content);
case DocumentTagLink link:
return new TextSpan(
link.content,
style: HyperLinkStyle,
recognizer: new TapGestureRecognizer
{
onTap = () => LocationUtil.Go(link.@ref),
}
);
case DocumentTagBreak br:
return new TextSpan("\n");
case DocumentTagBold bold:
return new TextSpan(
bold.content,
style: new TextStyle(
fontWeight: FontWeight.w500
)
);
case DocumentTagImage image:
var networkImage =
new NetworkImage(
$"{Configuration.Instance.cdnPrefix}/{version.unity_version}/{version.parse_version}/scripting/static/{image.name.Replace('-', '_')}");
networkImage.resolve(new ImageConfiguration());
return new ImageSpan(
networkImage,
margin: EdgeInsets.symmetric(vertical: 16f),
imageWidth: _imageMetas[image.name].width,
imageHeight: _imageMetas[image.name].height
);
case DocumentTagItalic italic:
return new TextSpan(
italic.content,
style: new TextStyle(
fontStyle: FontStyle.italic
)
);
}
return null;
}).Where(span => span != null).ToList(),
style: NormalTextStyle
));
}
public override Widget build(BuildContext buildContext)
{
if (_loading)
{
return(new Container(
child: new Center(
child: new Loading(
size: 48f
)
)
));
}
var markdownBuildCtx = new BuilderContext(_imageMetas, buildContext);
_spanRecognizers?.ForEach(recognizer => recognizer.dispose());
var widgets = new List <Widget>();
widgets.AddRange(_tokens
.Where(token => Mappings.ContainsKey(token.type))
.Select(token => Mappings[token.type].Invoke(token, markdownBuildCtx))
.Where(w => !(w is null))
.Select(w => new RepaintBoundary(child: w)));
_spanRecognizers = markdownBuildCtx.SpanRecognizers;
widgets.Insert(0,
new Container(
height: 64f,
padding: EdgeInsets.only(bottom: 8f),
decoration: new BoxDecoration(
border: new Border(
bottom: new BorderSide(
color: new Color(0xffd8d8d8),
width: 1f
)
)
),
child: new Align(
alignment: Alignment.bottomLeft,
child: new Breadcrumbs(
_breadcrumbs,
normalBreadcrumbStyle: new TextStyle(
fontSize: 16f,
color: new Color(0xff979797)
),
hoverBreadCrumbStyle: new TextStyle(
fontSize: 16f,
color: new Color(0xff979797),
decoration: TextDecoration.underline
),
splitterStyle: new TextStyle(
fontSize: 16f,
color: new Color(0xff979797)
)
)
)
)
);
var linkButtons = new List <Widget>();
if (_prevLink != null)
{
linkButtons.Add(
new Expanded(
child: new Container(
margin: EdgeInsets.only(right: 20),
child: new Button(
text: _prevLink.content ?? "",
onTap: () =>
{
if (!string.IsNullOrEmpty(_prevLink?.link))
{
LocationUtil.Go(
$"/Manual/{_prevLink?.link}");
}
},
prefix: Icons.MaterialArrowBack
)
)
)
);
}
else
{
linkButtons.Add(
new Expanded(
flex: 1,
child: new Container()
)
); // placeholder to use spaceBetween
}
if (_nextLink != null)
{
linkButtons.Add(
new Expanded(
child: new Container(
margin: EdgeInsets.only(left: 20),
child: new Button(
text: _nextLink.content ?? "",
onTap: () =>
{
if (!string.IsNullOrEmpty(_nextLink.link))
{
LocationUtil.Go(
$"/Manual/{_nextLink.link}");
}
},
suffix: Icons.MaterialArrowForward
)
)
)
);
}
else
{
linkButtons.Add(
new Expanded(
flex: 1,
child: new Container()
)
); // placeholder to use spaceBetween
}
widgets.Add(
new Container(
margin: EdgeInsets.only(top: 32, bottom: 64),
child: new Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: linkButtons
)
)
);
var version = DocApp.of(buildContext).version;
return(new Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: new List <Widget>
{
new Expanded(
child: new Stack(
children: new List <Widget>
{
new Scroller(
child: new SingleChildScrollView(
controller: _scrollController,
child: new ScrollableOverlay(
child: new Column(
children: new List <Widget>
{
new Container(
constraints: new BoxConstraints(
minHeight: MediaQuery.of(buildContext).size.height -
Header.Height -
SearchBar.Height -
Footer.Height
),
child: new Column(
mainAxisAlignment: MainAxisAlignment.start,
crossAxisAlignment: CrossAxisAlignment.start,
children: widgets)
),
new Footer(style: Footer.Light, showSocials: false)
}
)
)
)
),
new ToTop(_scrollController, displayThreshold: 128f)
}
)
),
new MetaFields(
markdownBuildCtx.PositionRecords,
_scrollController
)
}
));
}