// Fourth stage. For each Order ID create a detailed document that will be inserted in place of the DOCVARIABLE field.
// This is the final stage and the Product.Orders template does not contain DOCVARIABLE fields. So, further processing is not required.
void richServerDetailProcessor_CalculateDocumentVariable(object sender, CalculateDocumentVariableEventArgs e)
{
int currentProductID = GetID(e.Arguments[0].Value);
if (currentProductID == -1)
{
return;
}
if (productID != currentProductID)
{
// Get data source that contains orders for the specified product and supplier.
dataDetailedForOrders = (List <OrderDetail>)GetOrderDataFilteredbyProductAndSupplier(supplierID, currentProductID);
productID = currentProductID;
}
if (e.VariableName == "OrderDetails")
{
IRichEditDocumentServer richServerOrdersTemplate = mainRichEdit.CreateDocumentServer();
RtfLoadHelper.Load("detaildetail.rtf", richServerOrdersTemplate);
richServerOrdersTemplate.Options.MailMerge.DataSource = dataDetailedForOrders;
IRichEditDocumentServer richServerDetailDetailProcessor = mainRichEdit.CreateDocumentServer();
MailMergeOptions options = richServerOrdersTemplate.CreateMailMergeOptions();
options.MergeMode = MergeMode.JoinTables;
richServerOrdersTemplate.MailMerge(options, richServerDetailDetailProcessor);
e.Value = richServerDetailDetailProcessor;
e.Handled = true;
}
}
void OnOrderChanged()
{
if (Order == null || richEdit == null)
{
return;
}
using (var stream = MailMergeTemplatesHelper.GetTemplateStream("Sales Order Follow-Up.rtf")) {
masterTemplate.LoadDocument(stream, DocumentFormat.Rtf);
var options = masterTemplate.CreateMailMergeOptions();
options.DataSource = new List <Order>()
{
Order
};
masterTemplate.MailMerge(options, richEdit.Document);
}
}
// Third stage. For each Product ID create a detailed document that will be inserted in place of the DOCVARIABLE field.
void richServerMasterProcessor_CalculateDocumentVariable(object sender, CalculateDocumentVariableEventArgs e)
{
int currentSupplierID = GetID(e.Arguments[0].Value);
if (currentSupplierID == -1)
{
return;
}
if (supplierID != currentSupplierID)
{
// Get data source that contains products for the specified supplier.
dataDetailedForProducts = (List <Product>)GetProductsDataFilteredbySupplier(currentSupplierID);
supplierID = currentSupplierID;
}
if (e.VariableName == "Product")
{
// Create a document container and load a document containing the Product header section (detail section)
IRichEditDocumentServer richServerProductsTemplate = mainRichEdit.CreateDocumentServer();
RtfLoadHelper.Load("detail.rtf", richServerProductsTemplate);
// Create a text engine to process a document after the mail merge.
IRichEditDocumentServer richServerDetailProcessor = mainRichEdit.CreateDocumentServer();
// Specify data source for mail merge.
richServerProductsTemplate.Options.MailMerge.DataSource = dataDetailedForProducts;
// Specify that the resulting table should be joined with the header table.
// Do not specify this option if calculated fields are not within table cells.
MailMergeOptions options = richServerProductsTemplate.CreateMailMergeOptions();
options.MergeMode = MergeMode.JoinTables;
// Provide a procedure for further processing.
richServerDetailProcessor.CalculateDocumentVariable += new CalculateDocumentVariableEventHandler(richServerDetailProcessor_CalculateDocumentVariable);
// Create a merged document using the Product template. The document will contain DOCVARIABLE fields with OrderID arguments.
// The CalculateDocumentVariable event for the richServerDetail fires.
richServerProductsTemplate.MailMerge(options, richServerDetailProcessor);
richServerDetailProcessor.CalculateDocumentVariable -= richServerDetailProcessor_CalculateDocumentVariable;
// Return the document to insert.
e.Value = richServerDetailProcessor;
// This setting is required for inserting e.Value into the source document. Otherwise it will be ignored.
e.Handled = true;
}
}