// 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;
}
}
public MainPage()
{
InitializeComponent();
tabControl.SelectionChanged += new DevExpress.Xpf.Core.TabControlSelectionChangedEventHandler(tabControl_SelectionChanged);
// Subscribe to the CalculateDocumentVariable event that triggers the master-detail report generation
resultRichEdit.CalculateDocumentVariable += new CalculateDocumentVariableEventHandler(resultRichEdit_CalculateDocumentVariable);
// Load main template
RtfLoadHelper.Load("main.rtf", mainRichEdit);
// Create data sources for the project
fakeDataSource = DataHelper.CreateFakeDataSource();
DataHelper.CreateData();
dataSuppliers = DataHelper.Suppliers;
dataDetailedForProducts = DataHelper.Products;
dataDetailedForOrders = DataHelper.OrderDetails;
}
// 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;
}
}
// Second stage. For each Supplier ID create a detailed document that will be inserted in place of the DOCVARIABLE field.
void resultRichEdit_CalculateDocumentVariable(object sender, CalculateDocumentVariableEventArgs e)
{
if (e.VariableName == "Supplier")
{
// Create a document container and load a document containing the Supplier header section (master section)
IRichEditDocumentServer richServerSupplierTemplate = mainRichEdit.CreateDocumentServer();
RtfLoadHelper.Load("supplier.rtf", richServerSupplierTemplate);
// Create a text engine to process a document after the mail merge.
IRichEditDocumentServer richServerMasterProcessor = mainRichEdit.CreateDocumentServer();
// Provide a procedure for further processing
richServerMasterProcessor.CalculateDocumentVariable += new CalculateDocumentVariableEventHandler(richServerMasterProcessor_CalculateDocumentVariable);
// Create a merged document using the Supplier template. The document will contain DOCVARIABLE fields with ProductID arguments.
// The CalculateDocumentVariable event for the richServerMasterProcessor fires.
// Note that the data source for mail merge should be specified via the RichEditDocumentServer.Options.MailMerge.DataSource property.
richServerSupplierTemplate.Options.MailMerge.DataSource = dataSuppliers;
richServerSupplierTemplate.MailMerge(richServerMasterProcessor.Document);
richServerMasterProcessor.CalculateDocumentVariable -= richServerMasterProcessor_CalculateDocumentVariable;
// Return the document to insert in place of the DOCVARIABLE field.
e.Value = richServerMasterProcessor;
// Required. Otherwise e.Value will be ignored.
e.Handled = true;
}
}