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//------------------------------------------------------------------------------
// <copyright file="XPathNodeViewPropertyDescriptor.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
// <owner current="true" primary="true">derekdb</owner>
//------------------------------------------------------------------------------
#if ENABLEDATABINDING
using System;
using System.Xml;
using System.Xml.XPath;
using System.Xml.Schema;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
namespace System.Xml.XPath.DataBinding
{
internal class XPathNodeViewPropertyDescriptor : PropertyDescriptor {
Shape rowShape;
Shape colShape;
int colIndex;
internal XPathNodeViewPropertyDescriptor(Shape rowShape)
: base( rowShape.Name, null) {
this.rowShape = rowShape;
this.colShape = rowShape;
this.colIndex = 0;
}
internal XPathNodeViewPropertyDescriptor(Shape rowShape, Shape colShape, int colIndex)
: base( colShape.Name, null) {
this.rowShape = rowShape;
this.colShape = colShape;
this.colIndex = colIndex;
}
public Shape Shape {
get { return colShape; }
}
public override Type ComponentType {
get { return null; }
}
public override string Name {
get { return this.colShape.Name; }
}
public override bool IsReadOnly {
get { return true; }
}
public override Type PropertyType {
get {
return this.colShape.IsNestedTable
? typeof(XPathDocumentView)
: typeof(string);
}
}
public override bool CanResetValue(object o) {
return false;
}
public override object GetValue(object o) {
if (null == o)
throw new ArgumentNullException("XPathNodeViewPropertyDescriptor.GetValue");
XPathNodeView xiv = (XPathNodeView)o;
if (xiv.Collection.RowShape != this.rowShape)
throw new ArgumentException("XPathNodeViewPropertyDescriptor.GetValue");
object val = xiv.Column(this.colIndex);
XPathNode nd = val as XPathNode;
if (null != nd) {
XPathDocumentNavigator nav = new XPathDocumentNavigator(nd, null);
XmlSchemaType xst = nd.SchemaType;
XmlSchemaComplexType xsct = xst as XmlSchemaComplexType;
if (null == xst || ( (null != xsct) && xsct.IsMixed) ) {
return nav.InnerXml;
}
else {
return nav.TypedValue;
}
}
return val;
}
public override void ResetValue(object o) {
throw new NotImplementedException();
}
public override void SetValue(object o, object value) {
throw new NotImplementedException();
}
public override bool ShouldSerializeValue(object o) {
return false;
}
}
}
#endif
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