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//---------------------------------------------------------------------------
//
// Copyright (C) Microsoft Corporation. All rights reserved.
//
// Description: Inline element.
//
// History:
// 06/06/2002 : MikeOrr - Created.
// 07/10/2002 : MikeOrr - Renamed element/class 'Phrase' -> 'Inline'.
// 06/25/2003 : ZhenbinX - Ported to /Rewrote for WCP tree
// 10/28/2004 : Microsoft - ContentElements refactoring.
//
//---------------------------------------------------------------------------
using MS.Internal;
namespace System.Windows.Documents
{
/// <summary>
/// Inline element.
/// </summary>
[TextElementEditingBehaviorAttribute(IsMergeable = true, IsTypographicOnly = true)]
public abstract class Inline : TextElement
{
//-------------------------------------------------------------------
//
// Constructors
//
//-------------------------------------------------------------------
#region Constructors
/// <summary>
/// Public constructor.
/// </summary>
protected Inline()
: base()
{
}
#endregion Constructors
//-------------------------------------------------------------------
//
// Public Properties
//
//-------------------------------------------------------------------
#region Public Properties
/// <value>
/// A collection of Inlines containing this one in its sequential tree.
/// May return null if an element is not inserted into any tree.
/// </value>
public InlineCollection SiblingInlines
{
get
{
if (this.Parent == null)
{
return null;
}
return new InlineCollection(this, /*isOwnerParent*/false);
}
}
/// <summary>
/// Returns an Inline immediately following this one
/// on the same level of siblings
/// </summary>
public Inline NextInline
{
get
{
return this.NextElement as Inline;
}
}
/// <summary>
/// Returns an Inline immediately preceding this one
/// on the same level of siblings
/// </summary>
public Inline PreviousInline
{
get
{
return this.PreviousElement as Inline;
}
}
/// <summary>
/// DependencyProperty for <see cref="BaselineAlignment" /> property.
/// </summary>
public static readonly DependencyProperty BaselineAlignmentProperty =
DependencyProperty.Register(
"BaselineAlignment",
typeof(BaselineAlignment),
typeof(Inline),
new FrameworkPropertyMetadata(
BaselineAlignment.Baseline,
FrameworkPropertyMetadataOptions.AffectsParentMeasure),
new ValidateValueCallback(IsValidBaselineAlignment));
/// <summary>
///
/// </summary>
public BaselineAlignment BaselineAlignment
{
get { return (BaselineAlignment) GetValue(BaselineAlignmentProperty); }
set { SetValue(BaselineAlignmentProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="TextDecorations" /> property.
/// </summary>
public static readonly DependencyProperty TextDecorationsProperty =
DependencyProperty.Register(
"TextDecorations",
typeof(TextDecorationCollection),
typeof(Inline),
new FrameworkPropertyMetadata(
new FreezableDefaultValueFactory(TextDecorationCollection.Empty),
FrameworkPropertyMetadataOptions.AffectsRender
));
/// <summary>
/// The TextDecorations property specifies decorations that are added to the text of an element.
/// </summary>
public TextDecorationCollection TextDecorations
{
get { return (TextDecorationCollection) GetValue(TextDecorationsProperty); }
set { SetValue(TextDecorationsProperty, value); }
}
/// <summary>
/// DependencyProperty for <see cref="FlowDirection" /> property.
/// </summary>
public static readonly DependencyProperty FlowDirectionProperty =
FrameworkElement.FlowDirectionProperty.AddOwner(typeof(Inline));
/// <summary>
/// The FlowDirection property specifies the flow direction of the element.
/// </summary>
public FlowDirection FlowDirection
{
get { return (FlowDirection)GetValue(FlowDirectionProperty); }
set { SetValue(FlowDirectionProperty, value); }
}
#endregion Public Properties
//-------------------------------------------------------------------
//
// Internal Methods
//
//-------------------------------------------------------------------
#region Internal Methods
internal static Run CreateImplicitRun(DependencyObject parent)
{
return new Run();
}
internal static InlineUIContainer CreateImplicitInlineUIContainer(DependencyObject parent)
{
return new InlineUIContainer();
}
#endregion Internal Methods
//-------------------------------------------------------------------
//
// Private Methods
//
//-------------------------------------------------------------------
#region Private Methods
private static bool IsValidBaselineAlignment(object o)
{
BaselineAlignment value = (BaselineAlignment)o;
return value == BaselineAlignment.Baseline
|| value == BaselineAlignment.Bottom
|| value == BaselineAlignment.Center
|| value == BaselineAlignment.Subscript
|| value == BaselineAlignment.Superscript
|| value == BaselineAlignment.TextBottom
|| value == BaselineAlignment.TextTop
|| value == BaselineAlignment.Top;
}
#endregion Private Methods
}
}
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