//
// public interface
//
#region public void BindComponent(object sender, PDFDataBindEventArgs args)
/// <summary>
/// Main method that sets the value of the senders property to the result of this instances XPath expression.
/// Using the current data context.
/// Signature can be attached to an IPDFBindableComponent DataBound or DataBinding events.
/// </summary>
/// <param name="sender">The instance that raised the event</param>
/// <param name="args"></param>
public void BindComponent(object sender, PDFDataBindEventArgs args)
{
if (null == sender)
{
throw new ArgumentNullException("sender");
}
if (null == args)
{
throw new ArgumentNullException("args");
}
if (null == args.Context)
{
throw new ArgumentNullException("args.Context");
}
PDFDataStack stack = args.Context.DataStack;
IPDFDataSource src = stack.Source;
//Pop the current one so we can get the next one up (for count and position operations)
object data = stack.Pop();
try
{
DoBindComponent(sender, data, args.Context);
}
catch (Exception ex)
{
if (args.Context.Conformance == ParserConformanceMode.Lax)
{
args.Context.TraceLog.Add(TraceLevel.Error, "Item Binding", "Could not Set property '" + this.Property.Name + "': " + ex.Message, ex);
}
else
{
throw;
}
}
finally
{
//Put the data we popped back on
args.Context.DataStack.Push(data, src);
}
}
/// <summary>
///
/// </summary>
/// <param name="container"></param>
/// <param name="containerposition"></param>
/// <param name="template"></param>
/// <param name="context"></param>
protected override void DoBindDataIntoContainer(IPDFContainerComponent container, int containerposition, PDFDataContext context)
{
int prevcount = context.CurrentIndex;
PDFDataStack stack = context.DataStack;
object origData = stack.HasData ? stack.Current : null;
IPDFDataSource source = stack.HasData ? stack.Source : null;
foreach (WithField fld in this.Fields)
{
this.BindingActions.Add(origData, source, fld);
}
if (this.AutoBindContent != DataAutoBindContent.None)
{
this.AddAutoBindFields(origData, source, context);
}
this.BindActionedComponents(this.BindingActions, context);
}
/// <summary>
///
/// </summary>
/// <param name="container"></param>
/// <param name="containerposition"></param>
/// <param name="template"></param>
/// <param name="context"></param>
protected virtual void DoBindDataIntoContainer(IPDFContainerComponent container, int containerposition, PDFDataContext context)
{
int prevcount = context.CurrentIndex;
PDFDataStack stack = context.DataStack;
object data = stack.HasData ? context.DataStack.Current : null;
IPDFDataSource source = stack.HasData ? context.DataStack.Source : null;
int count = 0;
int added = 0;
IEnumerator enumerator = null;
if (CanEnumerate(data))
{
if (context.ShouldLogDebug)
{
context.TraceLog.Begin(TraceLevel.Verbose, "Binding Template", "Starting to bind enumerable data into container " + this.ID);
}
IEnumerable ienum = data as IEnumerable;
enumerator = this.CreateEnumerator(ienum);
while (enumerator.MoveNext())
{
context.CurrentIndex = count;
context.DataStack.Push(enumerator.Current, source);
int number = 0;
IPDFTemplate template = this.GetTemplateForBinding(context, count, added + containerposition);
if (null != template)
{
number = InstantiateAndAddWithTemplate(template, count, added + containerposition, container, context);
}
context.DataStack.Pop();
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Binding Template", "Bound data into template index : " + count + " and added " + number + " components");
}
count++;
added += number;
}
if (count == 0)
{
context.TraceLog.Add(TraceLevel.Message, "Binding Template", "ZERO items were data bound with the Binding Template Component as MoveNext returned false from the start");
}
if (context.ShouldLogDebug)
{
context.TraceLog.End(TraceLevel.Verbose, "Binding Template", "Completed binding enumerable data into Binding Template Component, " + added + " components added, with " + count + " enumerable data items");
}
else if (context.ShouldLogVerbose)
{
context.TraceLog.Add(TraceLevel.Verbose, "Binding Template", "Completed binding enumerable data into Binding Template Component, " + added + " components added, with " + count + " enumerable data items");
}
}
else if (data != null)
{
if (context.ShouldLogDebug)
{
context.TraceLog.Begin(TraceLevel.Verbose, "Binding Template", "Starting to bind single data into Binding Template Component");
}
context.CurrentIndex = 1;
context.DataStack.Push(data, source);
IPDFTemplate template = this.GetTemplateForBinding(context, count, added + containerposition);
if (null != template)
{
added += InstantiateAndAddWithTemplate(template, count, added + containerposition, container, context);
}
context.DataStack.Pop();
if (context.ShouldLogDebug)
{
context.TraceLog.End(TraceLevel.Verbose, "Binding Template", "Completed binding single data into the Binding Template Component, " + added + " components added.");
}
else if (context.ShouldLogVerbose)
{
context.TraceLog.Add(TraceLevel.Verbose, "Binding Template", "Completed binding single data into the Binding Template Component, " + added + " components added.");
}
}
else
{
if (context.ShouldLogDebug)
{
context.TraceLog.Begin(TraceLevel.Verbose, "Binding Template", "Starting to bind into Binding Template Component with NO context data");
}
context.CurrentIndex = 1;
IPDFTemplate template = this.GetTemplateForBinding(context, count, added + containerposition);
if (null != template)
{
added += InstantiateAndAddWithTemplate(template, count, added + containerposition, container, context);
}
if (context.ShouldLogDebug)
{
context.TraceLog.End(TraceLevel.Verbose, "Binding Template", "Completed binding the Binding Template Component with NO data, " + added + " components added.");
}
else if (context.ShouldLogVerbose)
{
context.TraceLog.Add(TraceLevel.Verbose, "Binding Template", "Completed binding the Binding Template Component with NO data, " + added + " components added.");
}
}
context.CurrentIndex = prevcount;
}
