/// <summary>
/// Sets the managed HtmlControlBase parent, if it exists and is
/// registered, for an HtmlElement.
/// </summary>
/// <param name="parentHtmlElement">The parent HtmlElement.</param>
private void SetParentIfExists(HtmlElement parentHtmlElement)
{
if (parentHtmlElement != null && _parent == null && _allControls.HasControl(parentHtmlElement))
{
_parent = _allControls.GetControl(parentHtmlElement);
}
}
/// <summary>
/// Used by an extension method on System.Windows.Browser.HtmlElement to
/// hook a managed control up by creating a real underlying element.
/// </summary>
/// <param name="parent">The HtmlElement to append the managed
/// HtmlControl to.</param>
/// <param name="control">The managed HtmlControlBase or HtmlControl to
/// append, Initialize, and create with a real element.</param>
internal static void AppendAndInitialize(HtmlElement parent, HtmlControlBase control)
{
// If the control is already out there with live and active
// elements, the net effect of these calls is simply to initialize
// any children of the control.
control.CreateAndAppend(parent);
control.Initialize();
}
/// <summary>
/// Used by an extension method on System.Windows.Browser.HtmlElement to
/// hook a managed control up by creating a real underlying element.
/// </summary>
/// <param name="parent">The HtmlElement to append the managed
/// HtmlControl to.</param>
/// <param name="control">The managed HtmlControlBase or HtmlControl to
/// append, Initialize, and create with a real element.</param>
internal static void AppendAndInitialize(HtmlElement parent, HtmlControlBase control)
{
// If the control is already out there with live and active
// elements, the net effect of these calls is simply to initialize
// any children of the control.
control.CreateAndAppend(parent);
control.Initialize();
}
/// <summary>
/// Initializes a new CssSize.
/// </summary>
/// <param name="element">The element.</param>
/// <param name="width">The width CSS property.</param>
/// <param name="height">The height CSS property.</param>
public CssSize(HtmlControlBase element, CssAttribute width, CssAttribute height)
: base()
{
_mhe = element;
_cssProperties = new CssAttribute[]
{
width,
height
};
}
/// <summary>
/// Initializes a new CssBox type with the specified CSS property names.
/// </summary>
/// <param name="element">The parent managed HTML element.</param>
/// <param name="top">The top property.</param>
/// <param name="right">The right property.</param>
/// <param name="bottom">The bottom property.</param>
/// <param name="left">The left property.</param>
public CssBox(HtmlControlBase element, CssAttribute top, CssAttribute right, CssAttribute bottom, CssAttribute left) : base()
{
_mhe = element;
_cssProperties = new CssAttribute[]
{
top,
right,
bottom,
left
};
}
/// <summary>
/// Initializes a new CssBox type with the specified CSS property names.
/// </summary>
/// <param name="element">The parent managed HTML element.</param>
/// <param name="top">The top property.</param>
/// <param name="right">The right property.</param>
/// <param name="bottom">The bottom property.</param>
/// <param name="left">The left property.</param>
public CssBox(HtmlControlBase element, CssAttribute top, CssAttribute right, CssAttribute bottom, CssAttribute left) : base()
{
_mhe = element;
_cssProperties = new CssAttribute[]
{
top,
right,
bottom,
left
};
}
/// <summary>
/// Retrieves a managed control instance, if any, for the HTML element.
/// </summary>
/// <param name="element">The HTML element.</param>
/// <returns>Returns the managed control for an HTML element.</returns>
public HtmlControlBase GetControl(HtmlElement element)
{
WeakReference key = GetKey(element);
HtmlControlBase value = null;
if (key != null && _managedControls.ContainsKey(key))
{
value = _managedControls[key];
}
return(value);
}
public HtmlPageControl(HtmlElement existingElement)
: base(existingElement)
{
// Attempt to load these immediately
try
{
HtmlControlBase body = Body;
HtmlControlBase head = Header;
}
catch (InvalidOperationException)
{
}
}
/// <summary>
/// Initializes a new margin type for the control.
/// </summary>
/// <param name="element">The owning element.</param>
public CssMargin(HtmlControlBase element) : base(element, CssAttribute.MarginTop, CssAttribute.MarginRight, CssAttribute.MarginBottom, CssAttribute.MarginLeft)
{
}
/// <summary>
/// Initializes a new position type.
/// </summary>
/// <param name="element">The owning element.</param>
public CssPosition(HtmlControlBase element) : base(element, CssAttribute.Top, CssAttribute.Right, CssAttribute.Bottom, CssAttribute.Left) { }
/// <summary>
/// Initializes a new padding type.
/// </summary>
/// <param name="element">The owning element.</param>
public CssPadding(HtmlControlBase element) : base(element, CssAttribute.PaddingTop, CssAttribute.PaddingRight, CssAttribute.PaddingBottom, CssAttribute.PaddingLeft)
{
}
/// <summary>
/// Append the managed HtmlControl to the HtmlElement. Extension method
/// for HtmlElement.
/// </summary>
/// <param name="element">The HtmlElement.</param>
/// <param name="control">The managed HtmlControlBase / HtmlControl.</param>
public static void AppendChild(this HtmlElement element, HtmlControlBase control)
{
HtmlControlBase.AppendAndInitialize(element, control);
}
/// <summary>
/// Register a managed HTML element control with the collection.
/// </summary>
/// <param name="control">The Control object.</param>
public void RegisterControl(HtmlControlBase control)
{
WeakReference wr = new WeakReference(control.HtmlElement);
_managedControls[wr] = control;
}
/// <summary>
/// Check if the HtmlElement has a known managed control.
/// </summary>
/// <param name="element">The element object.</param>
/// <returns>Returns whether the element has an attached control.</returns>
public bool HasControl(HtmlElement element)
{
HtmlControlBase hcb = GetControl(element);
return(hcb != null);
}
/// <summary>
/// Register a managed HTML element control with the collection.
/// </summary>
/// <param name="control">The Control object.</param>
public void RegisterControl(HtmlControlBase control)
{
WeakReference wr = new WeakReference(control.HtmlElement);
_managedControls[wr] = control;
}
/// <summary>
/// Initializes a new padding type.
/// </summary>
/// <param name="element">The owning element.</param>
public CssPadding(HtmlControlBase element) : base(element, CssAttribute.PaddingTop, CssAttribute.PaddingRight, CssAttribute.PaddingBottom, CssAttribute.PaddingLeft) { }
/// <summary>
/// Initializes a new attached CSS border for a managed HtmlElement.
/// </summary>
/// <param name="element">The owner of the border.</param>
public CssBorder(HtmlControlBase element) : base(element, CssAttribute.BorderTop, CssAttribute.BorderRight, CssAttribute.BorderBottom, CssAttribute.BorderLeft)
{
}
/// <summary>
/// Initializes a new margin type for the control.
/// </summary>
/// <param name="element">The owning element.</param>
public CssMargin(HtmlControlBase element) : base(element, CssAttribute.MarginTop, CssAttribute.MarginRight, CssAttribute.MarginBottom, CssAttribute.MarginLeft) { }
/// <summary>
/// Initializes a FontInfo object.
/// </summary>
/// <param name="owner">The owning Control reference.</param>
public FontInfo(HtmlControlBase owner)
{
_owner = owner;
}
/// <summary>
/// Initializes a FontInfo object.
/// </summary>
/// <param name="owner">The owning Control reference.</param>
public FontInfo(HtmlControlBase owner)
{
_owner = owner;
}
/// <summary>
/// Initializes a new attached CSS border for a managed HtmlElement.
/// </summary>
/// <param name="element">The owner of the border.</param>
public CssBorder(HtmlControlBase element) : base(element, CssAttribute.BorderTop, CssAttribute.BorderRight, CssAttribute.BorderBottom, CssAttribute.BorderLeft) { }
/// <summary>
/// Sets the managed HtmlControlBase parent, if it exists and is
/// registered, for an HtmlElement.
/// </summary>
/// <param name="parentHtmlElement">The parent HtmlElement.</param>
private void SetParentIfExists(HtmlElement parentHtmlElement)
{
if (parentHtmlElement != null && _parent == null && _allControls.HasControl(parentHtmlElement))
{
_parent = _allControls.GetControl(parentHtmlElement);
}
}
/// <summary>
/// Append the managed HtmlControl to the HtmlElement. Extension method
/// for HtmlElement.
/// </summary>
/// <param name="element">The HtmlElement.</param>
/// <param name="control">The managed HtmlControlBase / HtmlControl.</param>
public static void AppendChild(this HtmlElement element, HtmlControlBase control)
{
HtmlControlBase.AppendAndInitialize(element, control);
}
/// <summary>
/// Initializes a new position type.
/// </summary>
/// <param name="element">The owning element.</param>
public CssPosition(HtmlControlBase element) : base(element, CssAttribute.Top, CssAttribute.Right, CssAttribute.Bottom, CssAttribute.Left)
{
}
