/// <summary>
/// 获取绑定目标
/// </summary>
/// <param name="bindingHost">绑定宿主</param>
/// <returns>绑定目标</returns>
public virtual IBindingTarget GetTarget(IHtmlDomObject bindingHost)
{
var attribute = bindingHost as IHtmlAttribute;
if (attribute != null)
{
if (MarkupAttribute(attribute))
{
return(new MarkupAttributeBidningTarget(attribute));
}
else
{
return(new TextAttributeBindingTarget(attribute));
}
}
var element = bindingHost as IHtmlElement;
if (element != null)
{
return(new TextElementBindingTarget(element));
}
throw new NotSupportedException();
}
private static IHtmlDomModifier EnsureModifiable(IHtmlDomObject domObject)
{
if (domObject == null)
{
throw new ArgumentNullException("domObject");
}
var document = domObject.Document;
if (document == null)
{
throw new InvalidOperationException("无法修改不在 DOM 上的节点");
}
var modifier = document.DomModifier;
if (modifier == null)
{
throw new NotSupportedException("文档不支持修改 DOM 结构");
}
return(modifier);
}
public Binding( IHtmlDomObject bindingHost, IDictionary<string, string> args )
{
BindingHost = bindingHost;
_arguments = args;
}
public Binding(IHtmlDomObject bindingHost, IDictionary <string, string> args)
{
BindingHost = bindingHost;
_arguments = args;
}
/// <summary>
/// 获取绑定器
/// </summary>
/// <param name="bindingHost">绑定宿主</param>
/// <param name="binderName">绑定器名称</param>
/// <returns>绑定器</returns>
public virtual IValueBinder GetValueBinder(IHtmlDomObject bindingHost, string binderName = null)
{
return(null);
}
/// <summary>
/// 获取绑定目标
/// </summary>
/// <param name="bindingHost">绑定宿主</param>
/// <returns>绑定目标</returns>
public virtual IBindingTarget GetTarget( IHtmlDomObject bindingHost )
{
var attribute = bindingHost as IHtmlAttribute;
if ( attribute != null )
{
if ( MarkupAttribute( attribute ) )
return new MarkupAttributeBidningTarget( attribute );
else
return new TextAttributeBindingTarget( attribute );
}
var element = bindingHost as IHtmlElement;
if ( element != null )
return new TextElementBindingTarget( element );
throw new NotSupportedException();
}
/// <summary>
/// 获取绑定器
/// </summary>
/// <param name="bindingHost">绑定宿主</param>
/// <param name="binderName">绑定器名称</param>
/// <returns>绑定器</returns>
public virtual IValueBinder GetValueBinder( IHtmlDomObject bindingHost, string binderName = null )
{
return null;
}
