public async Task SetTimeRange(long fromNum, long toNum)
{
var script = $@"
TradingVueObj.setRange({fromNum},{toNum});
";
await XWV.ExJs <object>(script);
}
public void Dispose()
{
if (IsDisposed)
{
return;
}
XWV.Dispose();
IsDisposed = true;
}
async Task LoadPage()
{
var path = System.IO.Path.Combine(
AppDomain.CurrentDomain.BaseDirectory,
UnpackedToPath + "/dist/index.html"
);
await XWV.LoadUrl(path);
await XWV.AttachBridge();
}
public async Task <(DateTime StartTime, DateTime EndTime)> GetTimeRange()
{
var script = $@"
return TradingVueObj.getRange();
";
var arr = await XWV.ExJs <double[]>(script);
var startDT = TimeExtensions.FromUniversalDateTime(arr[0]);
var endDT = TimeExtensions.FromUniversalDateTime(arr[1]);
return(startDT, endDT);
}
async Task LoadPageIfNotLoaded()
{
var isLoadedScript = @"
if(window['TradingViewContext'])
return true;
return false;
";
var loaded = await XWV.ExJs <bool>(isLoadedScript);
if (loaded)
{
return;
}
await LoadPage();
}
public async Task RefreshAsync(ViewRefreshType viewRefreshType = ViewRefreshType.NotReloadIfCached)
{
await OnRefreshing(this, viewRefreshType);
var ctx = XWV.ThreadSync.Invoke(() => TypedContext);
string ctxJson = null;
var chartJson = JsonConvert.SerializeObject(ctx.Chart);
var titleJson = JsonConvert.SerializeObject(ctx.Title);
var colors = JsonConvert.SerializeObject(ctx.Colors);
if (viewRefreshType == ViewRefreshType.NotReloadIfCached)
{
ctxJson = JsonConvert.SerializeObject(ctx);
if (ctxJson == _previousRefreshJson)
{
return;
}
}
var script = $@"
TradingVueObj.titleTxt = {titleJson} ;
TradingViewContext.chart = {chartJson} ;
TradingViewContext.colors = {colors} ;
";
await XWV.WaitInitialization();
if (viewRefreshType == ViewRefreshType.ReloadAllPage)
{
await LoadPage();
}
else
{
await LoadPageIfNotLoaded();
}
await XWV.ExJs <object>(script);
_previousRefreshJson = ctxJson;
await OnRefreshed(this, viewRefreshType);
}
