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TreeNodeCollection.cs
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209 lines (176 loc) · 5.76 KB
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/********
* @version : 1.6.0 - Ext.NET Pro License
* @author : Ext.NET, Inc. http://www.ext.net/
* @date : 2012-11-21
* @copyright : Copyright (c) 2007-2012, Ext.NET, Inc. (http://www.ext.net/). All rights reserved.
* @license : See license.txt and http://www.ext.net/license/.
********/
using System;
using System.ComponentModel;
using System.IO;
using System.Runtime.Serialization;
using System.Text;
using System.Web.UI;
using System.Xml;
using System.Xml.Schema;
using System.Xml.Serialization;
namespace Ext.Net
{
/// <summary>
///
/// </summary>
[Serializable]
[XmlSchemaProvider("MySchema")]
[Description("")]
public partial class TreeNodeCollection : StateManagedCollection<TreeNodeBase>, IXmlSerializable, ISerializable
{
/// <summary>
///
/// </summary>
[Description("")]
public TreeNodeBase Primary
{
get
{
if (this.Count > 0)
{
return this[0];
}
return null;
}
}
/// <summary>
///
/// </summary>
[Description("")]
public TreeNodeCollection() : this(false) { }
/// <summary>
///
/// </summary>
[Description("")]
public TreeNodeCollection(bool single)
{
this.SingleItemMode = single;
}
private void AddChildes(TreeNode parent, StringBuilder sb, Control owner)
{
string cfg = new ClientConfig().Serialize(parent);
if (parent.Nodes.Count > 0)
{
int index = cfg.LastIndexOf("}");
sb.Append(cfg.Substring(0, index));
sb.Append(",children:[");
foreach (TreeNodeBase node in parent.Nodes)
{
node.Owner = owner;
if (node is TreeNode)
{
TreeNode treeNode = (TreeNode)node;
this.AddChildes(treeNode, sb, owner);
}
else
{
sb.Append(new ClientConfig().Serialize(node));
}
sb.Append(",");
}
if (sb[sb.Length - 1] == ',')
{
sb.Remove(sb.Length - 1, 1);
}
sb.Append("");
sb.Append("]}");
}
else
{
sb.Append(cfg);
}
}
/// <summary>
///
/// </summary>
[Description("")]
public string ToJson()
{
StringBuilder sb = new StringBuilder(256);
bool comma = false;
sb.Append("[");
foreach (TreeNodeBase node in this)
{
if (comma)
{
sb.Append(",");
}
TreeNode treeNode = node as TreeNode;
if (treeNode == null)
{
sb.Append(new ClientConfig().SerializeInternal(node, this.Owner));
}
else
{
this.AddChildes(treeNode, sb, this.Owner);
}
comma = true;
}
sb.Append("]");
return sb.ToString();
}
#region Implementation of IXmlSerializable
XmlSchema IXmlSerializable.GetSchema()
{
return null;
}
void IXmlSerializable.ReadXml(System.Xml.XmlReader reader)
{
//no operation
}
void IXmlSerializable.WriteXml(XmlWriter writer)
{
writer.WriteStartElement("json");
writer.WriteCData(this.ToJson());
writer.WriteEndElement();
}
#endregion
#region Implementation of ISerializable
void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue("json", this.ToJson());
}
#endregion
private const string ns = "http://tempuri.org/";
/// <summary>
///
/// </summary>
[Description("")]
public static XmlQualifiedName MySchema(XmlSchemaSet xs)
{
// This method is called by the framework to get the schema for this type.
var sb = new StringBuilder();
var sw = new StringWriter(sb);
var xw = new XmlTextWriter(sw);
// generate the schema for type T
xw.WriteStartDocument();
xw.WriteStartElement("schema");
xw.WriteAttributeString("targetNamespace", "http://tempuri.org/");
xw.WriteAttributeString("xmlns", "http://www.w3.org/2001/XMLSchema");
xw.WriteStartElement("complexType");
xw.WriteAttributeString("name", "TreeNodeCollection");
xw.WriteStartElement("sequence");
xw.WriteStartElement("element");
xw.WriteAttributeString("name", "json");
xw.WriteAttributeString("type", "string");
xw.WriteEndElement();
xw.WriteEndElement();
xw.WriteEndElement();
xw.WriteEndElement();
xw.WriteEndDocument();
xw.Close();
var schemaSerializer = new XmlSerializer(typeof(XmlSchema));
var sr = new StringReader(sb.ToString());
var s = (XmlSchema)schemaSerializer.Deserialize(sr);
xs.XmlResolver = new XmlUrlResolver();
xs.Add(s);
return new XmlQualifiedName("TreeNodeCollection", ns);
}
}
}