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Dynamic Component: added more examples

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This commit is contained in:
MarcinZiabek
2022-05-09 14:07:50 +02:00
parent 52cfa3ab7e
commit e51082400c
6 changed files with 328 additions and 8 deletions
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QuestPDF.Examples/DynamicFibonacci.cs
+98
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@@ -0,0 +1,98 @@
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using QuestPDF.Elements;
using QuestPDF.Examples.Engine;
using QuestPDF.Fluent;
using QuestPDF.Helpers;
using QuestPDF.Infrastructure;
namespace QuestPDF.Examples
{
public struct FibonacciHeaderState
{
public int Previous { get; set; }
public int Current { get; set; }
}
public class FibonacciHeader : IDynamicComponent<FibonacciHeaderState>
{
public FibonacciHeaderState State { get; set; }
public static readonly string[] ColorsTable =
{
Colors.Red.Lighten2,
Colors.Orange.Lighten2,
Colors.Green.Lighten2,
};
public FibonacciHeader(int previous, int current)
{
State = new FibonacciHeaderState
{
Previous = previous,
Current = current
};
}
public DynamicComponentComposeResult Compose(DynamicContext context)
{
var content = context.CreateElement(container =>
{
var colorIndex = State.Current % ColorsTable.Length;
var color = ColorsTable[colorIndex];
var ratio = (float)State.Current / State.Previous;
container
.Background(color)
.Height(50)
.AlignMiddle()
.AlignCenter()
.Text($"{State.Current} / {State.Previous} = {ratio:N5}");
});
State = new FibonacciHeaderState
{
Previous = State.Current,
Current = State.Previous + State.Current
};
return new DynamicComponentComposeResult
{
Content = content,
HasMoreContent = false
};
}
}
public static class DynamicFibonacci
{
[Test]
public static void Dynamic()
{
RenderingTest
.Create()
.ShowResults()
.MaxPages(100)
.ProducePdf()
.RenderDocument(container =>
{
container.Page(page =>
{
page.Size(PageSizes.A6);
page.Margin(1, Unit.Centimetre);
page.DefaultTextStyle(x => x.FontSize(18));
page.Header().Dynamic(new FibonacciHeader(17, 19));
page.Content().Column(column =>
{
foreach (var i in Enumerable.Range(0, 100))
column.Item().PaddingTop(25).Background(Colors.Grey.Lighten2).Height(50);
});
});
});
}
}
}
QuestPDF.Examples/DynamicExamples.cs → QuestPDF.Examples/DynamicOptimizedExample.cs
+5 -5
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@@ -21,12 +21,12 @@ namespace QuestPDF.Examples
public int ShownItemsCount { get; set; }
}
public class OrdersTable : IDynamicComponent<OrdersTableState>
public class OptimizedOrdersTable : IDynamicComponent<OrdersTableState>
{
private ICollection<OrderItem> Items { get; }
public OrdersTableState State { get; set; }
public OrdersTable(ICollection<OrderItem> items)
public OptimizedOrdersTable(ICollection<OrderItem> items)
{
Items = items;
@@ -69,7 +69,7 @@ namespace QuestPDF.Examples
return new DynamicComponentComposeResult
{
Content = content,
HasMoreContent = State.ShownItemsCount + rows.Count < Items.Count
HasMoreContent = State.ShownItemsCount < Items.Count
};
}
@@ -145,7 +145,7 @@ namespace QuestPDF.Examples
}
}
public static class DynamicExamples
public static class DynamicOptimizedExamples
{
[Test]
public static void Dynamic()
@@ -177,7 +177,7 @@ namespace QuestPDF.Examples
decoration
.Content()
.Dynamic(new OrdersTable(items));
.Dynamic(new OptimizedOrdersTable(items));
});
});
}
QuestPDF.Examples/DynamicProgressHeader.cs
+66
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@@ -0,0 +1,66 @@
using System.Collections.Generic;
using System.Linq;
using NUnit.Framework;
using QuestPDF.Elements;
using QuestPDF.Examples.Engine;
using QuestPDF.Fluent;
using QuestPDF.Helpers;
using QuestPDF.Infrastructure;
namespace QuestPDF.Examples
{
public class ProgressHeader : IDynamicComponent<int>
{
public int State { get; set; }
public DynamicComponentComposeResult Compose(DynamicContext context)
{
var content = context.CreateElement(container =>
{
var width = context.AvailableSize.Width * context.PageNumber / context.TotalPages;
container
.Background(Colors.Blue.Lighten2)
.Height(25)
.Width(width)
.Background(Colors.Blue.Darken1);
});
return new DynamicComponentComposeResult
{
Content = content,
HasMoreContent = false
};
}
}
public static class DynamicProgressHeader
{
[Test]
public static void Dynamic()
{
RenderingTest
.Create()
.ShowResults()
.MaxPages(100)
.ProducePdf()
.RenderDocument(container =>
{
container.Page(page =>
{
page.Size(PageSizes.A6);
page.Margin(1, Unit.Centimetre);
page.DefaultTextStyle(x => x.FontSize(20));
page.Header().Dynamic(new ProgressHeader());
page.Content().Column(column =>
{
foreach (var i in Enumerable.Range(0, 100))
column.Item().PaddingTop(25).Background(Colors.Grey.Lighten2).Height(50);
});
});
});
}
}
}
QuestPDF.Examples/DynamicSimpleTableExample.cs
+154
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@@ -0,0 +1,154 @@
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using NUnit.Framework;
using QuestPDF.Elements;
using QuestPDF.Examples.Engine;
using QuestPDF.Fluent;
using QuestPDF.Helpers;
using QuestPDF.Infrastructure;
namespace QuestPDF.Examples
{
public class OrdersTable : IDynamicComponent<OrdersTableState>
{
private IList<OrderItem> Items { get; }
public OrdersTableState State { get; set; }
public OrdersTable(IList<OrderItem> items)
{
Items = items;
State = new OrdersTableState
{
ShownItemsCount = 0
};
}
public DynamicComponentComposeResult Compose(DynamicContext context)
{
var possibleItems = Enumerable
.Range(1, Items.Count - State.ShownItemsCount)
.Select(itemsToDisplay => ComposeContent(context, itemsToDisplay))
.TakeWhile(x => x.Size.Height <= context.AvailableSize.Height)
.ToList();
State = new OrdersTableState
{
ShownItemsCount = State.ShownItemsCount + possibleItems.Count
};
return new DynamicComponentComposeResult
{
Content = possibleItems.Last(),
HasMoreContent = State.ShownItemsCount < Items.Count
};
}
private IDynamicElement ComposeContent(DynamicContext context, int itemsToDisplay)
{
var total = Items.Skip(State.ShownItemsCount).Take(itemsToDisplay).Sum(x => x.Count * x.Price);
return context.CreateElement(container =>
{
container
.MinimalBox()
.Width(context.AvailableSize.Width)
.Table(table =>
{
table.ColumnsDefinition(columns =>
{
columns.ConstantColumn(30);
columns.RelativeColumn();
columns.ConstantColumn(50);
columns.ConstantColumn(50);
columns.ConstantColumn(50);
});
table.Header(header =>
{
header.Cell().Element(Style).Text("#");
header.Cell().Element(Style).Text("Item name");
header.Cell().Element(Style).AlignRight().Text("Count");
header.Cell().Element(Style).AlignRight().Text("Price");
header.Cell().Element(Style).AlignRight().Text("Total");
IContainer Style(IContainer container)
{
return container
.DefaultTextStyle(x => x.SemiBold())
.BorderBottom(1)
.BorderColor(Colors.Grey.Darken2)
.Padding(5);
}
});
table.Footer(footer =>
{
footer
.Cell().ColumnSpan(5)
.AlignRight()
.Text($"Subtotal: {total}$", TextStyle.Default.Size(14).SemiBold());
});
foreach (var index in Enumerable.Range(State.ShownItemsCount, itemsToDisplay))
{
var item = Items[index];
table.Cell().Element(Style).Text(index + 1);
table.Cell().Element(Style).Text(item.ItemName);
table.Cell().Element(Style).AlignRight().Text(item.Count);
table.Cell().Element(Style).AlignRight().Text($"{item.Price}$");
table.Cell().Element(Style).AlignRight().Text($"{item.Count*item.Price}$");
IContainer Style(IContainer container)
{
return container
.BorderBottom(1)
.BorderColor(Colors.Grey.Lighten2)
.Padding(5);
}
}
});
});
}
}
public static class DynamicSimpleTableExample
{
[Test]
public static void Dynamic()
{
RenderingTest
.Create()
.PageSize(PageSizes.A5)
.ShowResults()
.Render(container =>
{
var items = Enumerable.Range(0, 25).Select(x => new OrderItem()).ToList();
container
.Background(Colors.White)
.Padding(25)
.Decoration(decoration =>
{
decoration
.Header()
.PaddingBottom(5)
.Text(text =>
{
text.DefaultTextStyle(TextStyle.Default.SemiBold().FontColor(Colors.Blue.Darken2).FontSize(16));
text.Span("Page ");
text.CurrentPageNumber();
text.Span(" / ");
text.TotalPages();
});
decoration
.Content()
.Dynamic(new OrdersTable(items));
});
});
}
}
}
QuestPDF/Elements/Dynamic.cs
+2
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@@ -52,6 +52,7 @@ namespace QuestPDF.Elements
var context = new DynamicContext
{
PageNumber = PageContext.CurrentPage,
TotalPages = PageContext.GetLocation(Infrastructure.PageContext.DocumentLocation).PageEnd,
PageContext = PageContext,
Canvas = Canvas,
TextStyle = TextStyle,
@@ -75,6 +76,7 @@ namespace QuestPDF.Elements
internal TextStyle TextStyle { get; set; }
public int PageNumber { get; internal set; }
public int TotalPages { get; internal set; }
public Size AvailableSize { get; internal set; }
public IDynamicElement CreateElement(Action<IContainer> content)
QuestPDF/Resources/ReleaseNotes.txt
+3 -3
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@@ -1,4 +1,4 @@
- Implemented the DynamicComponent element (useful for most advanced cases, e.g. per-page totals),
- Extend text rendering capabilities by adding subscript and superscript effects,
- Implemented the DynamicComponent element (useful when you want to generate dynamic and conditional content that is page aware, e.g. per-page totals),
- Extended text rendering capabilities by adding subscript and superscript effects,
- Improved table rendering performance,
- Previewer tool stability fixes.
- Previewer tool stability fixes.