private float GenerateTotal(GenerateInvoiceContext request, PdfGenerator pdf, float currentY)
{
float y = currentY;
double vatAmount = request.Invoice.Amount * (request.Invoice.VatPercentage / 100d);
double total = request.Invoice.Amount + vatAmount;
total = Math.Round(total, 2);
y = pdf.IncrementY(y, 10, FOOTER_HEIGHT);
string leftText = "TOTAL";
string rightText = request.Invoice.Currency + " " + request.Invoice.Amount.ToString();
PdfLayoutResult result = pdf.AddRectangleText(leftText, rightText, y, 30, PdfBrushes.White, pdf.AccentBrush, pdf.NormalFontBold);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 0, FOOTER_HEIGHT, 30);
leftText = "VAT" + request.Invoice.VatPercentage + "%";
rightText = request.Invoice.Currency + " " + vatAmount.ToString();
result = pdf.AddRectangleText(leftText, rightText, y, 30, PdfBrushes.White, pdf.AccentBrush, pdf.NormalFontBold);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 5, FOOTER_HEIGHT);
leftText = "Total Due";
rightText = request.Invoice.Currency + " " + total.ToString();
result = pdf.AddRectangleText(leftText, rightText, y, 30, pdf.PdfGridStyle2Brush);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 10, FOOTER_HEIGHT);
return(y);
}
public override Task <GenerateDefaultInvoiceResult> ExecuteAsync(GenerateInvoiceContext request)
{
GenerateDefaultInvoiceResult retResult = new GenerateDefaultInvoiceResult();
//https://help.syncfusion.com/file-formats/pdf/getting-started
PdfGenerator pdf = new PdfGenerator();
pdf.Setup("Invoice");
float y = GenerateBodyHeader(request, pdf);
y = GenerateBody(request, pdf, y, !request.SimpleFormat);
//if the next bit (total + signature) might be split - rather create new page
y = pdf.IncrementY(y, 0, FOOTER_HEIGHT, 180); //110 + 70 = estimated height of total + signature
y = GenerateTotal(request, pdf, y);
y = GenerateSignature(request, pdf, y);
y = GenerateTermsBody(request, pdf, y);
GenerateFooter(request, pdf); //BUG: Generate footer before body to cater for bug where paginatebounds not taken into account for pdfLightTable
//Save the document.
//await pdf.SaveAsync(request.FileName, launchFile: false);
retResult.PdfResult = pdf.SaveDocumentAsByteArray();
return(Task.FromResult(retResult));
}
private void GenerateHeader(GenerateInvoiceContext request, PdfGenerator pdf)
{
RectangleF bounds = new RectangleF(0, 0, pdf.PageWidth, 50);
PdfPageTemplateElement header = new PdfPageTemplateElement(bounds);
pdf.DrawText("Header Text", 10, 0, pdf.NormalFont, pdf.AccentBrush, header.Graphics);
pdf.Document.Template.Top = header;
}
private float GenerateTermsBody(GenerateInvoiceContext request, PdfGenerator pdf, float y)
{
var check = pdf.MeasureTextHeight(request.Invoice.Terms);
y = pdf.IncrementY(y, 10, FOOTER_HEIGHT, check); //don't split terms over the footer
PdfLayoutResult result = pdf.AddText(request.Invoice.Terms, 10, y, pdf.NormalFontBold);
y = result.Bounds.Bottom;
//NOTE: last item - don't check for increment
return(y);
}
private float GenerateSignature(GenerateInvoiceContext request, PdfGenerator pdf, float y)
{
y = pdf.IncrementY(y, 55, FOOTER_HEIGHT); //gap to place signature
pdf.DrawHorizontalLine(15, 85, y, 0.7f, pdf.AccentColor);
pdf.DrawHorizontalLine(85, 15, y, 0.7f, pdf.AccentColor, null, true);
y = pdf.IncrementY(y, 2, FOOTER_HEIGHT);
var result = pdf.AddText("customer", 15, y);
result = pdf.AddText("business", 15, y, null, null, true);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 0, FOOTER_HEIGHT);
return(y);
}
private float GenerateBody(GenerateInvoiceContext request, PdfGenerator pdf, float currentY, bool generateItems)
{
float y = currentY;
y = pdf.IncrementY(y, 10, FOOTER_HEIGHT);
PdfLayoutResult result = pdf.AddText(request.Invoice.Description, 10, y);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 0, FOOTER_HEIGHT);
if (generateItems)
{
if (request.SimpleTableItems)
{
y = GenerateItemizedBodyWithLightTable(request, pdf, y);
}
else
{
y = GenerateItemizedBodyWithGrid(request, pdf, y);
}
}
return(y);
}
private void GenerateFooter(GenerateInvoiceContext request, PdfGenerator pdf)
{
//https://help.syncfusion.com/file-formats/pdf/working-with-headers-and-footers
RectangleF bounds = new RectangleF(0, 0, pdf.PageWidth, FOOTER_HEIGHT);
PdfPageTemplateElement footer = new PdfPageTemplateElement(bounds);
//BUG: NullReferenceException when trying to put a web link into the footer - drawing web links using footer graphics not supported yet by syncfusion
//pdf.DrawWebLink(0, 35, "http://www.syncfusion.com", "Awesome control library for your mobile cross platform needs", pdf.NormalFont, footer.Graphics);
//pdf.DrawWebLinkPageBottom(0, 35, "http://www.syncfusion.com", "Awesome control library for your mobile cross platform needs", pdf.NormalFont);
PdfCompositeField compositeField = new PdfCompositeField(pdf.NormalFont, pdf.AccentBrush, "http://www.syncfusion.com Awesome control library for your mobile cross platform needs");
compositeField.Bounds = footer.Bounds;
//Draw the composite field in footer.
compositeField.Draw(footer.Graphics, new PointF(0, 0));
pdf.DrawHorizontalLine(0, pdf.PageWidth, 0, 0.7f, pdf.AccentColor, footer.Graphics);
pdf.Document.Template.Bottom = footer;
}
private float GenerateBodyHeader(GenerateInvoiceContext request, PdfGenerator pdf)
{
PdfLayoutResult result = null;
float y = 10;
//Add IMAGE
pdf.AddImage(request.Invoice.Logo, 0, y, request.LogoWidth, request.LogoHeight);
var font = pdf.NormalFontBold;
float x = request.LogoWidth > 0 ? request.LogoWidth + 10 : 0;
result = pdf.AddText(request.Invoice.BusinessName, x, y, font);
result = pdf.AddText(request.Invoice.BusinessInfo, x, result.Bounds.Bottom + 2);
float businessY = result.Bounds.Bottom + 10;
string twitterLink = "http://twitter.com/syncfusion";
string webLink = "https://www.syncfusion.com/";
string facebook = "https://www.facebook.com/Syncfusion";
string youtube = "https://www.youtube.com/syncfusioninc";
string linkedIn = "https://www.linkedin.com/company/syncfusion?trk=top_nav_home";
string instagram = "http://www.instagram.com";
string[] socialLinks = new string[] { "twitter", "website", "facebook", "youtube", "linkedIn", "instagram" };
//left align all the social links
float xOffsetTextSize = pdf.LongestText(socialLinks);
result = pdf.AddWebLink(webLink, 0, y, "website", null, true, xOffsetTextSize);
result = pdf.AddWebLink(facebook, 0, result.Bounds.Bottom, "facebook", null, true, xOffsetTextSize);
result = pdf.AddWebLink(twitterLink, 0, result.Bounds.Bottom, "twitter", null, true, xOffsetTextSize);
result = pdf.AddWebLink(youtube, 0, result.Bounds.Bottom, "youtube", null, true, xOffsetTextSize);
result = pdf.AddWebLink(linkedIn, 0, result.Bounds.Bottom, "linkedin", null, true, xOffsetTextSize);
result = pdf.AddWebLink(instagram, 0, result.Bounds.Bottom, "instagram", null, true, xOffsetTextSize);
float socialLinksY = result.Bounds.Bottom + 10;
float imageY = request.LogoHeight + 15;
float actualY = Enumerable.Max(new float[] { businessY, socialLinksY, imageY });
y = actualY;
string customer = request.Invoice.Customer + Environment.NewLine + request.Invoice.Address;
result = pdf.AddText(customer, 0, y, font);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 10, FOOTER_HEIGHT, 30);
string leftText = "INVOICE #" + request.Invoice.Number.ToString();
string rightText = DateTime.Now.ToString("dd MMM yyyy");
result = pdf.AddRectangleText(leftText, rightText, y, 30);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 15, FOOTER_HEIGHT);
//Creates text elements to add the address and draw it to the page.
result = pdf.AddText(request.Invoice.Heading, 10, y, pdf.SubHeadingFont);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 3, FOOTER_HEIGHT);
pdf.DrawHorizontalLine(0, pdf.PageWidth, y, 0.7f, pdf.AccentColor);
y = pdf.IncrementY(y, 1, FOOTER_HEIGHT);
return(y);
}
private float GenerateItemizedBodyWithLightTable(GenerateInvoiceContext request, PdfGenerator pdf, float currentY)
{
float y = currentY + 10;
PdfLightTable pdfLightTable = new PdfLightTable();
pdfLightTable.ApplyLightTableStyle(pdf.PdfGridStyle2Color, pdf.AccentColor, pdf.PdfGridStyle2AltColor, new PdfColor(Color.White));
pdfLightTable.DataSourceType = PdfLightTableDataSourceType.TableDirect;
//Add columns to the DataTable
var columnFormat = new PdfStringFormat
{
Alignment = PdfTextAlignment.Center,
LineAlignment = PdfVerticalAlignment.Middle
};
pdfLightTable.Columns.Add(new PdfColumn("Title")
{
StringFormat = columnFormat
});
pdfLightTable.Columns.Add(new PdfColumn("Cost")
{
StringFormat = columnFormat
});
pdfLightTable.Columns.Add(new PdfColumn("Qty")
{
StringFormat = columnFormat
});
pdfLightTable.Columns.Add(new PdfColumn("Total")
{
StringFormat = columnFormat
});
foreach (var item in request.Invoice.Items)
{
pdfLightTable.Rows.Add(new object[] { item.Name, item.ItemAmount.ToString("n2"), item.Quantity.ToString(), item.Amount.ToString("n2") });
}
//resize columns to content width - current a BUG in PdfLightTable implementation (works for PdfGrid)
//ref: https://www.syncfusion.com/forums/131302/pdfgrid-size-grid-to-content
//var data = request.Invoice.Items.Select(x => x.ItemAmount.ToString("n2"));
//pdfLightTable.Columns[1].SizeColumnToContent(data, pdf.PageWidth, pdf.NormalFont);
//data = request.Invoice.Items.Select(x => x.Quantity.ToString("n2"));
//pdfLightTable.Columns[2].SizeColumnToContent(data, pdf.PageWidth, pdf.NormalFont);
//data = request.Invoice.Items.Select(x => x.Amount.ToString("n2"));
//pdfLightTable.Columns[3].SizeColumnToContent(data, pdf.PageWidth, pdf.NormalFont);
PdfLightTableLayoutFormat layoutFormat = new PdfLightTableLayoutFormat();
layoutFormat.Break = PdfLayoutBreakType.FitPage;
layoutFormat.Layout = PdfLayoutType.Paginate;
layoutFormat.PaginateBounds = new RectangleF(0, 0, pdf.CurrentPage.Graphics.ClientSize.Width, pdf.CurrentPage.Graphics.ClientSize.Height - FOOTER_HEIGHT);
var result = pdfLightTable.Draw(pdf.CurrentPage, new PointF(10, y), layoutFormat);
y = result.Bounds.Bottom;
y = pdf.IncrementY(y, 0, FOOTER_HEIGHT);
return(y);
}
private float GenerateItemizedBodyWithGrid(GenerateInvoiceContext request, PdfGenerator pdf, float y)
{
y = pdf.IncrementY(y, 10, FOOTER_HEIGHT);
//Create a new PdfGrid.
PdfGrid pdfGrid = new PdfGrid();
//Add four columns.
pdfGrid.Columns.Add(4);
var columnFormat = new PdfStringFormat
{
Alignment = PdfTextAlignment.Center,
LineAlignment = PdfVerticalAlignment.Middle
};
pdfGrid.Columns[1].Format = columnFormat;
pdfGrid.Columns[2].Format = columnFormat;
pdfGrid.Columns[3].Format = columnFormat;
//Add header.
pdfGrid.Headers.Add(1);
PdfGridRow pdfGridHeader = pdfGrid.Headers[0];
pdfGridHeader.Cells[0].Value = "Item";
pdfGridHeader.Cells[1].Value = "Cost";
pdfGridHeader.Cells[2].Value = "Qty";
pdfGridHeader.Cells[3].Value = "Total";
//Add rows.
foreach (var item in request.Invoice.Items)
{
PdfGridRow pdfGridRow = pdfGrid.Rows.Add();
//NOTE: It seems that values MUST be string values
pdfGridRow.Cells[0].Value = item.Name;
pdfGridRow.Cells[1].Value = item.ItemAmount.ToString("n2");
pdfGridRow.Cells[2].Value = item.Quantity.ToString("n0");
pdfGridRow.Cells[3].Value = item.Amount.ToString("n2");
}
var data = request.Invoice.Items.Select(x => x.ItemAmount.ToString("n2"));
pdfGrid.Columns[1].SizeColumnToContent(data, pdf.PageWidth, pdf.NormalFont);
data = request.Invoice.Items.Select(x => x.Quantity.ToString("n2"));
pdfGrid.Columns[2].SizeColumnToContent(data, pdf.PageWidth, pdf.NormalFont);
data = request.Invoice.Items.Select(x => x.Amount.ToString("n2"));
pdfGrid.Columns[3].SizeColumnToContent(data, pdf.PageWidth, pdf.NormalFont);
//Apply built-in table style
//NOTE: that the accent2 color of #FFED7D31 is used in generating the total rectangle as well
pdfGrid.ApplyBuiltinStyle(PdfGridBuiltinStyle.GridTable4Accent2);
//Apply Custom Style
//pdfGrid.Style = new PdfGridStyle
//{
// //BackgroundBrush = pdf.AccentBrush,
// TextBrush = pdf.AccentBrush,
// //TextPen = new PdfPen(pdf.AccentBrush)
//};
PdfGridLayoutFormat format = new PdfGridLayoutFormat();
format.Layout = PdfLayoutType.Paginate;
format.PaginateBounds = new RectangleF(0, 0, pdf.CurrentPage.Graphics.ClientSize.Width, pdf.CurrentPage.Graphics.ClientSize.Height - FOOTER_HEIGHT);
//Draw the PdfGrid.
var result = pdfGrid.Draw(pdf.CurrentPage, new PointF(10, y), format);
return(result.Bounds.Bottom);
}
