public PDFItemVariableProvider(PDFItemCollection items, int index, object currentData)
{
if (null == items)
{
throw new ArgumentNullException(nameof(items));
}
_items = items;
_currentIndex = index;
_currentData = currentData;
}
protected override void DoRegisterArtefacts(PDFLayoutContext context, PDFArtefactRegistrationSet set, Style fullstyle)
{
_orgitems = context.Items;
if (this.HasParams)
{
PDFItemCollection updated = _orgitems.Clone();
updated.Merge(this.Params);
context.Items = updated;
}
base.DoRegisterArtefacts(context, set, fullstyle);
}
protected override void OnDataBinding(PDFDataContext context)
{
_orgitems = context.Items;
if (this.HasParams)
{
PDFItemCollection updated = _orgitems.Clone();
updated.Merge(this.Params);
context.Items = updated;
}
base.OnDataBinding(context);
}
private static PDFDataBindEventArgs CreateDataBindArgs()
{
var config = Scryber.ServiceProvider.GetService <IScryberConfigurationService>();
Assert.IsNotNull(config, "THere is no scryber config service");
var log = config.TracingOptions.GetTraceLog();
PDFItemCollection items = new PDFItemCollection(null);
PDFDataContext context = new PDFDataContext(items, log, new PDFPerformanceMonitor(true), null);
PDFDataBindEventArgs args = new PDFDataBindEventArgs(context);
return(args);
}
protected override object DoGetMyValue(object parent, PDFDataContext context)
{
if (this.ItemName == CurrentDataContextName)
{
if (context.DataStack.HasData)
{
return(context.DataStack.Current);
}
else
{
return(null);
}
}
else
{
PDFItemCollection items = (PDFItemCollection)parent;
return(items[this.ItemName]);
}
}
public static IVariableProvider ValueProvider(this PDFItemCollection items, int index, object currentdata)
{
return(new PDFItemVariableProvider(items, index, currentdata));
}
