/// <summary>
/// Adds the option to this collection
/// </summary>
/// <param name="option"></param>
/// <returns></returns>
public int Add(XmlConfigurationOption option)
{
if (this.Contains(option))
throw new ArgumentException("ElementName already exists. ElementName in collection: " + option.ElementName + " ElementName being added: " + option.ElementName);
option.Parent = this;
option.BeforeEdit += new XmlConfigurationElementCancelEventHandler(this.OnBeforeEdit);
option.Changed += new XmlConfigurationElementEventHandler(this.OnChanged);
option.AfterEdit += new XmlConfigurationElementEventHandler(this.OnAfterEdit);
option.EditCancelled += new XmlConfigurationElementEventHandler(this.OnEditCancelled);
int index = base.InnerList.Add(option);
this.OnChanged(this, new XmlConfigurationOptionEventArgs(option, XmlConfigurationElementActions.Added));
return index;
}
/// <summary>
/// Adds the array of options to this collection
/// </summary>
/// <param name="options"></param>
public void Add(XmlConfigurationOption[] options)
{
if (options == null)
throw new ArgumentNullException("options");
foreach(XmlConfigurationOption opt in options)
{
try
{
this.Add(opt);
}
catch(System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}
}
/// <summary>
/// Initializes a new instance of the XmlConfigurationOption class
/// </summary>
/// <param name="option">The option to base this option on</param>
public XmlConfigurationOption(XmlConfigurationOption option) : base((XmlConfigurationElement)option)
{
_valueAssemblyQualifiedName = _value.GetType().AssemblyQualifiedName;
if (option != null)
{
_value = option.Value;
_valueAssemblyQualifiedName = option.ValueAssemblyQualifiedName;
_editorAssemblyQualifiedName = option.EditorAssemblyQualifiedName;
_shouldSerializeValue = option.ShouldSerializeValue;
}
}
/// <summary>
/// Initializes a new instance of the XmlConfigurationOptionEventArgs class
/// </summary>
/// <param name="option">The option being affected by this action</param>
/// <param name="action">The action affecting this option</param>
public XmlConfigurationOptionEventArgs(XmlConfigurationOption option, XmlConfigurationElementActions action) : base(option, action)
{
}
/// <summary>
/// Removes the option from this collection
/// </summary>
/// <param name="option"></param>
public void Remove(XmlConfigurationOption option)
{
if (this.Contains(option))
{
option.BeforeEdit -= new XmlConfigurationElementCancelEventHandler(this.OnBeforeEdit);
option.Changed -= new XmlConfigurationElementEventHandler(this.OnChanged);
option.AfterEdit -= new XmlConfigurationElementEventHandler(this.OnAfterEdit);
option.EditCancelled -= new XmlConfigurationElementEventHandler(this.OnEditCancelled);
base.InnerList.Remove(option);
this.OnChanged(this, new XmlConfigurationOptionEventArgs(option, XmlConfigurationElementActions.Removed));
}
}
public static Type GetType(XmlConfigurationOption option)
{
try
{
Type t = null;
if (option.ValueAssemblyQualifiedName != null)
{
t = Type.GetType(option.ValueAssemblyQualifiedName, false, true);
if (t != null)
return t;
}
object value = option.Value;
if ((value != null) && (((string)value) != string.Empty))
{
t = value.GetType();
if (t != null)
return t;
}
}
catch(System.Exception)
{
// System.Diagnostics.Trace.WriteLine(systemException);
}
return Type.Missing as Type;
}
/// <summary>
/// Initializes a new instance of the XmlConfigurationReaderEventArgs class
/// </summary>
/// <param name="systemException"></param>
/// <param name="option"></param>
public XmlConfigurationReaderEventArgs(System.Exception systemException, XmlConfigurationOption option, string buffer)
{
_systemException = systemException;
_option = option;
_buffer = buffer;
}
private XmlConfigurationOption ReadOption(XPathNavigator navigator, XmlConfigurationOption option)
{
string value = null;
try
{
if (string.Compare(navigator.Name, @"Option", true) == 0)
{
#region Attributes
XPathNavigator optionNavigator = navigator.Clone();
value = optionNavigator.Value;
if (optionNavigator.HasAttributes)
{
XPathNavigator attributesNavigator = optionNavigator.Clone();
if (attributesNavigator.MoveToFirstAttribute())
{
option.ElementName = attributesNavigator.Value;
while(attributesNavigator.MoveToNextAttribute())
{
switch(attributesNavigator.Name)
{
case @"HasChanges":
option.HasChanges = XmlConvert.ToBoolean(attributesNavigator.Value);
break;
case @"Category":
option.Category = attributesNavigator.Value;
break;
case @"Description":
option.Description = attributesNavigator.Value;
break;
case @"DisplayName":
option.DisplayName = attributesNavigator.Value;
break;
case @"Hidden":
option.Hidden = XmlConvert.ToBoolean(attributesNavigator.Value);
break;
case @"Readonly":
option.Readonly = XmlConvert.ToBoolean(attributesNavigator.Value);
break;
case @"ShouldSerializeValue":
option.ShouldSerializeValue = XmlConvert.ToBoolean(attributesNavigator.Value);
break;
case @"ValueAssemblyQualifiedName":
option.ValueAssemblyQualifiedName = attributesNavigator.Value;
break;
case @"EditorAssemblyQualifiedName":
option.EditorAssemblyQualifiedName = attributesNavigator.Value;
break;
};
}
}
}
#endregion
#region Value
// if the option is serialized
if (option.ShouldSerializeValue)
{
// it should be encoded in base 64, so decode it
option.Value = this.GetSerializedValue(option, value);
return option;
}
// otherwise figure out why type of object it is
Type t = TypeLoader.GetType(option);
if (t != null)
{
if (t.IsEnum)
{
option.Value = Enum.Parse(t, value, true);
return option;
}
if (t == typeof(System.String))
option.Value = (string)value;
if (t == typeof(System.Boolean))
option.Value = (object) XmlConvert.ToBoolean(value);
if (t == typeof(System.Int32))
option.Value = XmlConvert.ToInt32(value);
if (t == typeof(System.Int64))
option.Value = XmlConvert.ToInt64(value);
if (t == typeof(System.Decimal))
option.Value = XmlConvert.ToDecimal(value);
if (t == typeof(System.Double))
option.Value = XmlConvert.ToDouble(value);
if (t == typeof(System.Byte))
option.Value = XmlConvert.ToByte(value);
if (t == typeof(System.Char))
option.Value = XmlConvert.ToChar(value);
if (t == typeof(System.DateTime))
option.Value = XmlConvert.ToDateTime(value);
if (t == typeof(System.Guid))
option.Value = XmlConvert.ToGuid(value);
if (t == typeof(System.Int16))
option.Value = XmlConvert.ToInt16(value);
if (t == typeof(System.SByte))
option.Value = XmlConvert.ToSByte(value);
if (t == typeof(System.Single))
option.Value = XmlConvert.ToSingle(value);
if (t == typeof(System.UInt16))
option.Value = XmlConvert.ToUInt16(value);
if (t == typeof(System.UInt32))
option.Value = XmlConvert.ToUInt32(value);
if (t == typeof(System.UInt64))
option.Value = XmlConvert.ToUInt64(value);
}
#endregion
return option;
}
}
catch(Exception ex)
{
this.OnCannotReadValue(this, new XmlConfigurationReaderEventArgs(ex, option, value));
// Debug.WriteLine(ex);
}
return null;
}
/// <summary>
/// Gets the value to write using the XmlConvert.ToString() method on the Option.Value property.
/// </summary>
/// <param name="option"></param>
/// <returns></returns>
private string GetConvertableValue(XmlConfigurationOption option)
{
try
{
if (option != null)
{
if (option.Value != null)
{
Type t = option.Value.GetType();
if (t != null)
{
if (t == typeof(string))
return (string)option.Value;
if (t == typeof(bool))
return XmlConvert.ToString((bool)option.Value);
if (t == typeof(int))
return XmlConvert.ToString((int)option.Value);
if (t == typeof(long))
return XmlConvert.ToString((long)option.Value);
if (t == typeof(decimal))
return XmlConvert.ToString((decimal)option.Value);
if (t == typeof(double))
return XmlConvert.ToString((double)option.Value);
if (t == typeof(byte))
return XmlConvert.ToString((byte)option.Value);
if (t == typeof(char))
return XmlConvert.ToString((char)option.Value);
if (t == typeof(System.DateTime))
return XmlConvert.ToString((System.DateTime)option.Value);
if (t == typeof(System.Guid))
return XmlConvert.ToString((System.Guid)option.Value);
if (t == typeof(short))
return XmlConvert.ToString((short)option.Value);
if (t == typeof(sbyte))
return XmlConvert.ToString((sbyte)option.Value);
if (t == typeof(float))
return XmlConvert.ToString((float)option.Value);
if (t == typeof(System.TimeSpan))
return XmlConvert.ToString((System.TimeSpan)option.Value);
if (t == typeof(ushort))
return XmlConvert.ToString((ushort)option.Value);
if (t == typeof(uint))
return XmlConvert.ToString((uint)option.Value);
if (t == typeof(ulong))
return XmlConvert.ToString((ulong)option.Value);
return option.Value.ToString();
}
}
}
}
catch(System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
this.OnCannotWriteValue(this, new XmlConfigurationWriterEventArgs(systemException, option));
}
return string.Empty;
}
/// <summary>
/// Gets the value to write using a BinaryFormatter to serialize the Object.Value property.
/// </summary>
/// <param name="option"></param>
/// <returns></returns>
private string GetSerializedValue(XmlConfigurationOption option)
{
string buffer = null;
try
{
Type t = Type.GetType(option.ValueAssemblyQualifiedName);
if (t != null)
{
if (EncodingEngine.Base64Encode(option.Value, t, out buffer))
return buffer;
}
}
catch(System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
this.OnCannotWriteValue(this, new XmlConfigurationWriterEventArgs(systemException, option));
}
return buffer;
}
/// <summary>
/// Writes an option to the XmlDocument
/// </summary>
/// <param name="doc"></param>
/// <param name="parent"></param>
/// <param name="option"></param>
/// <param name="alwaysPersist"></param>
private void WriteOption(XmlDocument doc, XmlElement parent, XmlConfigurationOption option, bool alwaysPersist)
{
try
{
if (option.Persistent || alwaysPersist)
{
/// create an element for the option
XmlElement child = doc.CreateElement(@"Option");
/// write the properties of this option
child.SetAttribute(@"ElementName", option.ElementName);
child.SetAttribute(@"HasChanges", XmlConvert.ToString(option.HasChanges));
child.SetAttribute(@"Category", option.Category);
child.SetAttribute(@"Description", option.Description);
child.SetAttribute(@"DisplayName", option.DisplayName);
child.SetAttribute(@"Hidden", XmlConvert.ToString(option.Hidden));
child.SetAttribute(@"Readonly", XmlConvert.ToString(option.Readonly));
child.SetAttribute(@"ShouldSerializeValue", XmlConvert.ToString(option.ShouldSerializeValue));
child.SetAttribute(@"ValueAssemblyQualifiedName", option.ValueAssemblyQualifiedName);
// child.SetAttribute(@"ReferencedAssemblyName", option.ReferencedAssemblyName);
child.SetAttribute(@"EditorAssemblyQualifiedName", option.EditorAssemblyQualifiedName);
/// create a text node for the value, as we are most likely unsure of what is contained in the actual value
XmlText text = doc.CreateTextNode("Value");
/// try and serialize the value if we can, otherwise use the XmlConvert class to convert the value to a string
if (option.ShouldSerializeValue)
text.Value = this.GetSerializedValue(option);
else
text.Value = this.GetConvertableValue(option);
/// add the text for the value to the element
child.AppendChild(text);
/// add the child to the parent
parent.AppendChild(child);
}
}
catch(System.Exception systemException)
{
System.Diagnostics.Trace.WriteLine(systemException);
}
}
public XmlConfigurationWriterEventArgs(System.Exception systemException, XmlConfigurationOption option)
{
_systemException = systemException;
_option = option;
}
public ValuePropertyDescriptor(XmlConfigurationOption option) : base("Value", null)
{
_option = option;
}
public XmlConfigurationOptionPropertyDescriptorMenuItem(string text, EventHandler onClick, XmlConfigurationOption option) : base(text, onClick)
{
_option = option;
}
/// <summary>
/// Determines whether an option exists using the specified option's elementName
/// </summary>
/// <param name="option"></param>
/// <returns></returns>
public bool Contains(XmlConfigurationOption option)
{
foreach(XmlConfigurationOption opt in base.InnerList)
if (opt.ElementName == option.ElementName)
return true;
return false;
}
/// <summary>
/// Reads an XmlConfigurationCategory using the specified XPathNavigator
/// </summary>
/// <param name="navigator"></param>
/// <returns></returns>
private XmlConfigurationCategory ReadCategory(XPathNavigator navigator, XmlConfigurationCategory category)
{
// break off a clone so that the starting cursor doesn't lose it's place
XPathNavigator categoryNavigator = navigator.Clone();
// does the cateogry have attributes, it should!
if (categoryNavigator.HasAttributes)
{
// break off yet another clone to navigate the attributes of this element
XPathNavigator attributesNavigator = categoryNavigator.Clone();
if (attributesNavigator.MoveToFirstAttribute())
{
category.ElementName = attributesNavigator.Value;
while(attributesNavigator.MoveToNextAttribute())
{
switch(attributesNavigator.Name)
{
case @"HasChanges":
category.HasChanges = XmlConvert.ToBoolean(attributesNavigator.Value);
break;
case @"Category":
category.Category = attributesNavigator.Value;
break;
case @"Description":
category.Description = attributesNavigator.Value;
break;
case @"DisplayName":
category.DisplayName = attributesNavigator.Value;
break;
case @"Hidden":
category.Hidden = XmlConvert.ToBoolean(attributesNavigator.Value);
break;
};
}
}
}
XmlConfigurationOption option = null;
XPathNavigator optionNavigator = navigator.Clone();
if (optionNavigator.HasChildren)
{
if (optionNavigator.MoveToFirstChild())
{
option = new XmlConfigurationOption();
option.BeginInit();
if (this.ReadOption(optionNavigator, option) != null)
category.Options.Add(option);
option.EndInit();
while (optionNavigator.MoveToNext())
{
option = new XmlConfigurationOption();
option.BeginInit();
if (this.ReadOption(optionNavigator, option) != null)
category.Options.Add(option);
option.EndInit();
}
}
}
if (navigator.HasChildren)
{
this.ReadCategories(categoryNavigator, category.Categories);
}
return category;
}
public XmlConfigurationOption this[string elementName, bool createIfNotFound, object defaultValue]
{
get
{
XmlConfigurationOption option = this[elementName];
if (option == null)
if (createIfNotFound)
{
option = new XmlConfigurationOption(elementName, defaultValue);
this.Add(option);
option = this[elementName];
}
return option;
}
}
/// <summary>
/// Deserializes an object assuming that the string contains the base64 encoded data for the object
/// </summary>
/// <param name="option"></param>
/// <param name="buffer"></param>
/// <returns></returns>
private object GetSerializedValue(XmlConfigurationOption option, string buffer)
{
object instance = null;
try
{
// try and base 64 decode the string
if (EncodingEngine.Base64Decode(buffer, out instance))
return instance;
}
catch(Exception ex)
{
this.OnCannotReadValue(this, new XmlConfigurationReaderEventArgs(ex, option, buffer));
// Debug.WriteLine(ex);
}
return instance;
}
/// <summary>
/// Initializes a new instance of the XmlConfigurationOptionPropertyDescriptor class
/// </summary>
/// <param name="option">The option to describe</param>
public XmlConfigurationOptionPropertyDescriptor(XmlConfigurationOption option) : base(option.DisplayName, null)
{
_option = option;
}
