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//---------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
// Description: Figure element.
//
//---------------------------------------------------------------------------
using System.ComponentModel; // TypeConverter
using System.Windows.Controls; // TextBlock
using MS.Internal;
using MS.Internal.PtsHost.UnsafeNativeMethods; // PTS restrictions
namespace System.Windows.Documents
{
/// <summary>
/// Figure element.
/// </summary>
public class Figure : AnchoredBlock
{
//-------------------------------------------------------------------
//
// Constructors
//
//-------------------------------------------------------------------
#region Constructors
/// <summary>
/// Initialized the new instance of a Figure
/// </summary>
public Figure() : this(null)
{
}
/// <summary>
/// Initialized the new instance of a Figure specifying a Block added
/// to a Figure as its first child.
/// </summary>
/// <param name="childBlock">
/// Block added as a first initial child of the Figure.
/// </param>
public Figure(Block childBlock) : this(childBlock, null)
{
}
/// <summary>
/// Creates a new Figure instance.
/// </summary>
/// <param name="childBlock">
/// Optional child of the new Figure, may be null.
/// </param>
/// <param name="insertionPosition">
/// Optional position at which to insert the new Figure. May
/// be null.
/// </param>
public Figure(Block childBlock, TextPointer insertionPosition) : base(childBlock, insertionPosition)
{
}
#endregion Constructors
//-------------------------------------------------------------------
//
// Public Properties
//
//-------------------------------------------------------------------
#region Public Properties
/// <summary>
/// DependencyProperty for <see cref="HorizontalAnchor" /> property.
/// </summary>
public static readonly DependencyProperty HorizontalAnchorProperty =
DependencyProperty.Register(
"HorizontalAnchor",
typeof(FigureHorizontalAnchor),
typeof(Figure),
new FrameworkPropertyMetadata(
FigureHorizontalAnchor.ColumnRight,
FrameworkPropertyMetadataOptions.AffectsParentMeasure),
new ValidateValueCallback(IsValidHorizontalAnchor));
/// <summary>
///
/// </summary>
public FigureHorizontalAnchor HorizontalAnchor
{
get { return (FigureHorizontalAnchor)GetValue(HorizontalAnchorProperty); }
set { SetValue(HorizontalAnchorProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="VerticalAnchor" /> property.
/// </summary>
public static readonly DependencyProperty VerticalAnchorProperty =
DependencyProperty.Register(
"VerticalAnchor",
typeof(FigureVerticalAnchor),
typeof(Figure),
new FrameworkPropertyMetadata(
FigureVerticalAnchor.ParagraphTop,
FrameworkPropertyMetadataOptions.AffectsParentMeasure),
new ValidateValueCallback(IsValidVerticalAnchor));
/// <summary>
///
/// </summary>
public FigureVerticalAnchor VerticalAnchor
{
get { return (FigureVerticalAnchor)GetValue(VerticalAnchorProperty); }
set { SetValue(VerticalAnchorProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="HorizontalOffset" /> property.
/// </summary>
public static readonly DependencyProperty HorizontalOffsetProperty =
DependencyProperty.Register(
"HorizontalOffset",
typeof(double),
typeof(Figure),
new FrameworkPropertyMetadata(
0.0,
FrameworkPropertyMetadataOptions.AffectsParentMeasure),
new ValidateValueCallback(IsValidOffset));
/// <summary>
///
/// </summary>
[TypeConverter(typeof(LengthConverter))]
public double HorizontalOffset
{
get { return (double)GetValue(HorizontalOffsetProperty); }
set { SetValue(HorizontalOffsetProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="VerticalOffset" /> property.
/// </summary>
public static readonly DependencyProperty VerticalOffsetProperty =
DependencyProperty.Register(
"VerticalOffset",
typeof(double),
typeof(Figure),
new FrameworkPropertyMetadata(
0.0,
FrameworkPropertyMetadataOptions.AffectsParentMeasure),
new ValidateValueCallback(IsValidOffset));
/// <summary>
///
/// </summary>
[TypeConverter(typeof(LengthConverter))]
public double VerticalOffset
{
get { return (double)GetValue(VerticalOffsetProperty); }
set { SetValue(VerticalOffsetProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="CanDelayPlacement" /> property.
/// </summary>
public static readonly DependencyProperty CanDelayPlacementProperty =
DependencyProperty.Register(
"CanDelayPlacement",
typeof(bool),
typeof(Figure),
new FrameworkPropertyMetadata(
true,
FrameworkPropertyMetadataOptions.AffectsParentMeasure));
/// <summary>
///
/// </summary>
public bool CanDelayPlacement
{
get { return (bool)GetValue(CanDelayPlacementProperty); }
set { SetValue(CanDelayPlacementProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="WrapDirection" /> property.
/// </summary>
public static readonly DependencyProperty WrapDirectionProperty =
DependencyProperty.Register(
"WrapDirection",
typeof(WrapDirection),
typeof(Figure),
new FrameworkPropertyMetadata(
WrapDirection.Both,
FrameworkPropertyMetadataOptions.AffectsParentMeasure),
new ValidateValueCallback(IsValidWrapDirection));
/// <summary>
///
/// </summary>
public WrapDirection WrapDirection
{
get { return (WrapDirection)GetValue(WrapDirectionProperty); }
set { SetValue(WrapDirectionProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="Width" /> property.
/// </summary>
public static readonly DependencyProperty WidthProperty =
DependencyProperty.Register(
"Width",
typeof(FigureLength),
typeof(Figure),
new FrameworkPropertyMetadata(
new FigureLength(1.0, FigureUnitType.Auto),
FrameworkPropertyMetadataOptions.AffectsMeasure));
/// <summary>
/// The Width property specifies the width of the element.
/// </summary>
public FigureLength Width
{
get { return (FigureLength)GetValue(WidthProperty); }
set { SetValue(WidthProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="Height" /> property.
/// </summary>
public static readonly DependencyProperty HeightProperty =
DependencyProperty.Register(
"Height",
typeof(FigureLength),
typeof(Figure),
new FrameworkPropertyMetadata(
new FigureLength(1.0, FigureUnitType.Auto),
FrameworkPropertyMetadataOptions.AffectsMeasure));
/// <summary>
/// The Height property specifies the height of the element.
/// </summary>
public FigureLength Height
{
get { return (FigureLength)GetValue(HeightProperty); }
set { SetValue(HeightProperty, value); }
}
#endregion Public Properties
//-------------------------------------------------------------------
//
// Private Methods
//
//-------------------------------------------------------------------
#region Private Methods
private static bool IsValidHorizontalAnchor(object o)
{
FigureHorizontalAnchor value = (FigureHorizontalAnchor)o;
return value == FigureHorizontalAnchor.ContentCenter
|| value == FigureHorizontalAnchor.ContentLeft
|| value == FigureHorizontalAnchor.ContentRight
|| value == FigureHorizontalAnchor.PageCenter
|| value == FigureHorizontalAnchor.PageLeft
|| value == FigureHorizontalAnchor.PageRight
|| value == FigureHorizontalAnchor.ColumnCenter
|| value == FigureHorizontalAnchor.ColumnLeft
|| value == FigureHorizontalAnchor.ColumnRight;
// || value == FigureHorizontalAnchor.CharacterCenter
// || value == FigureHorizontalAnchor.CharacterLeft
// || value == FigureHorizontalAnchor.CharacterRight;
}
private static bool IsValidVerticalAnchor(object o)
{
FigureVerticalAnchor value = (FigureVerticalAnchor)o;
return value == FigureVerticalAnchor.ContentBottom
|| value == FigureVerticalAnchor.ContentCenter
|| value == FigureVerticalAnchor.ContentTop
|| value == FigureVerticalAnchor.PageBottom
|| value == FigureVerticalAnchor.PageCenter
|| value == FigureVerticalAnchor.PageTop
|| value == FigureVerticalAnchor.ParagraphTop;
// || value == FigureVerticalAnchor.CharacterBottom
// || value == FigureVerticalAnchor.CharacterCenter
// || value == FigureVerticalAnchor.CharacterTop;
}
private static bool IsValidWrapDirection(object o)
{
WrapDirection value = (WrapDirection)o;
return value == WrapDirection.Both
|| value == WrapDirection.None
|| value == WrapDirection.Left
|| value == WrapDirection.Right;
}
private static bool IsValidOffset(object o)
{
double offset = (double)o;
double maxOffset = Math.Min(1000000, PTS.MaxPageSize);
double minOffset = -maxOffset;
if (Double.IsNaN(offset))
{
return false;
}
if (offset < minOffset || offset > maxOffset)
{
return false;
}
return true;
}
#endregion Private Methods
}
}
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