protected override void LoadExample()
{
// init layout
m_Layout = new NStackLayout();
// cells occupy the entire space of the available slots
m_Layout.HorizontalContentPlacement = ContentPlacement.Fit;
m_Layout.VerticalContentPlacement = ContentPlacement.Fit;
propertyGrid1.SelectedObject = m_Layout;
view.BeginInit();
view.Grid.Visible = false;
view.GlobalVisibility.ShowPorts = false;
view.ViewLayout = ViewLayout.Fit;
// init document
document.BeginInit();
InitDocument();
document.EndInit();
// init form controls
InitFormControls();
// end view init
view.EndInit();
}
NDrawingDocument CreateDocument(int bookId)
{
NDrawingDocument document = new NDrawingDocument();
// setup the document
document.AutoBoundsPadding = new Nevron.Diagram.NMargins(0f, 7f, 7f, 7f);
document.Style.FillStyle = new NColorFillStyle(Color.White);
document.Style.TextStyle.FillStyle = new NColorFillStyle(Color.DarkGray);
document.Style.TextStyle.StringFormatStyle.HorzAlign = HorzAlign.Left;
document.Style.StrokeStyle = new NStrokeStyle(0, Color.White);
NStandardFrameStyle frame = document.BackgroundStyle.FrameStyle as NStandardFrameStyle;
frame.InnerBorderColor = Color.Gray;
document.MeasurementUnit = NGraphicsUnit.Pixel;
// set up the shape factories
NBasicShapesFactory bookItemsFactory = new NBasicShapesFactory(document);
bookItemsFactory.DefaultSize = new NSizeF(320, 200);
NCustomToolsData.NBookEntry[] books = NCustomToolsData.CreateBooks();
NCustomToolsData.NBookEntry book = null;
int length = books.Length;
for (int i = 0; i < length; i++)
{
if (books[i].Id == bookId)
{
book = books[i];
break;
}
}
if (bookId == -1 || book == null)
{
document.Style.StrokeStyle = new NStrokeStyle(1, Color.Red);
document.ActiveLayer.AddChild(bookItemsFactory.CreateShape(BasicShapes.Pentagram));
document.SizeToContent();
return(document);
}
// create a table layout, which will align te thumbnail and the text lines
// in two columns
NTableLayout mainLayout = new NTableLayout();
mainLayout.Direction = LayoutDirection.LeftToRight;
mainLayout.ConstrainMode = CellConstrainMode.Ordinal;
mainLayout.MaxOrdinal = 2;
mainLayout.VerticalContentPlacement = ContentPlacement.Near;
// create a stack layout, which will align the text lines in rows
NStackLayout textLayout = new NStackLayout();
textLayout.Direction = LayoutDirection.TopToBottom;
textLayout.HorizontalContentPlacement = ContentPlacement.Near;
textLayout.VerticalSpacing = 13;
// create a stack layout, which will align the stars in 5 columns
NStackLayout starsLayout = new NStackLayout();
starsLayout.Direction = LayoutDirection.LeftToRight;
starsLayout.VerticalContentPlacement = ContentPlacement.Center;
starsLayout.HorizontalSpacing = 1;
NLayoutContext layoutContext = new NLayoutContext();
layoutContext.GraphAdapter = new NShapeGraphAdapter();
layoutContext.BodyAdapter = new NShapeBodyAdapter(document);
layoutContext.BodyContainerAdapter = new NDrawingBodyContainerAdapter(document);
// create the shapes for the book image and text lines
NShape bookImageShape = bookItemsFactory.CreateShape(BasicShapes.Rectangle);
bookImageShape.Width = 240f;
bookImageShape.Height = 240f;
NImageFillStyle fs1 = new NImageFillStyle(HttpContext.Current.Server.MapPath(@"~\Images\CustomTools\" + book.ImageFile));
fs1.TextureMappingStyle.MapLayout = MapLayout.Centered;
NStyle.SetFillStyle(bookImageShape, fs1);
NShape bookTitleShape = bookItemsFactory.CreateShape(BasicShapes.Rectangle);
bookTitleShape.Text = book.Title;
bookTitleShape.Width = 160f;
bookTitleShape.Height = 32f;
NShape bookAuthorShape = bookItemsFactory.CreateShape(BasicShapes.Rectangle);
bookAuthorShape.Text = "by " + book.Author;
bookAuthorShape.Width = 160f;
bookAuthorShape.Height = 32f;
NShape bookPriceShape = bookItemsFactory.CreateShape(BasicShapes.Rectangle);
bookPriceShape.Text = "Price: $" + book.Price.ToString();
bookPriceShape.Width = 160f;
bookPriceShape.Height = 32f;
// create the star shapes
NNodeList starShapes = new NNodeList();
for (int i = 0; i < 5; i++)
{
NShape star = bookItemsFactory.CreateShape(BasicShapes.Pentagram);
star.Width = 10f;
star.Height = 10f;
if (i < book.Rating)
{
star.Style.FillStyle = new NColorFillStyle(Color.Orange);
}
else
{
star.Style.FillStyle = new NColorFillStyle(Color.LightGray);
}
starShapes.Add(star);
}
// prepare to layout
NBatchGroup bgroup = new NBatchGroup(document);
// create the stars group
NGroup starsGroup = new NGroup();
// group the star shapes
bgroup.Build(starShapes);
bgroup.Group(null, false, out starsGroup);
// collect the text shapes
NNodeList textShapes = new NNodeList();
textShapes.Add(bookTitleShape);
textShapes.Add(bookAuthorShape);
textShapes.Add(bookPriceShape);
textShapes.Add(starsGroup);
// create the text group
NGroup textGroup = new NGroup();
// group the text shapes
bgroup.Build(textShapes);
bgroup.Group(null, false, out textGroup);
// collect the main layout shapes
NNodeList mainElements = new NNodeList();
mainElements.Add(bookImageShape);
mainElements.Add(textGroup);
// create the main group
NGroup mainGroup = new NGroup();
// group the main elements
bgroup.Build(mainElements);
bgroup.Group(null, false, out mainGroup);
document.ActiveLayer.AddChild(mainGroup);
// size all text shapes to text
bookTitleShape.SizeToText(new NMarginsF(6f, 0f, 6f, 0f));
bookAuthorShape.SizeToText(new NMarginsF(6f, 0f, 6f, 0f));
bookPriceShape.SizeToText(new NMarginsF(6f, 0f, 6f, 0f));
// layout the star shapes
starsLayout.Layout(starShapes, layoutContext);
starsGroup.UpdateModelBounds();
// perform layout on the text
textLayout.Layout(textShapes, layoutContext);
textGroup.UpdateModelBounds();
// layout all elements
mainLayout.Layout(mainElements, layoutContext);
mainGroup.UpdateModelBounds();
// correct the text left padding
bookTitleShape.Location = new NPointF(bookTitleShape.Location.X - 6f, bookTitleShape.Location.Y);
bookAuthorShape.Location = new NPointF(bookAuthorShape.Location.X - 6f, bookAuthorShape.Location.Y);
bookPriceShape.Location = new NPointF(bookPriceShape.Location.X - 6f, bookPriceShape.Location.Y);
document.SizeToContent();
return(document);
}
