//
-// System.ComponentModel.TypeConverter
+// System.ComponentModel.TypeConverter.cs
//
// Authors:
-// Gonzalo Paniagua Javier (gonzalo@ximian.com)
+// Gonzalo Paniagua Javier (gonzalo@ximian.com)
+// Andreas Nahr (ClassDevelopment@A-SoftTech.com)
//
-// (C) 2002 Ximian, Inc (http://www.ximian.com)
+// (C) 2002/2003 Ximian, Inc (http://www.ximian.com)
+// (C) 2003 Andreas Nahr
+//
+
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Collections;
using System.Globalization;
+using System.Runtime.InteropServices;
-namespace System.ComponentModel {
-
-public class TypeConverter
+namespace System.ComponentModel
{
- public TypeConverter ()
- {
- }
-
- public bool CanConvertFrom (Type sourceType)
- {
- return CanConvertFrom (null, sourceType);
- }
-
- [MonoTODO]
- public virtual bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
- {
- throw new NotImplementedException ();
- }
-
- public bool CanConvertTo (Type destinationType)
- {
- return CanConvertTo (null, destinationType);
- }
-
- public virtual bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
- {
- return (destinationType == typeof (string));
- }
-
- public object ConvertFrom (object o)
- {
- return ConvertFrom (null, CultureInfo.CurrentCulture, o);
- }
-
- [MonoTODO]
- public virtual object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
- {
- throw new NotImplementedException ();
- }
-
- public virtual object ConvertFromInvariantString (string text)
+ [ComVisible (true)]
+ public class TypeConverter
{
- return ConvertFromInvariantString (null, text);
- }
-
- [MonoTODO]
- public virtual object ConvertFromInvariantString (ITypeDescriptorContext context, string text)
- {
- throw new NotImplementedException ();
- }
-
- public object ConvertFromString (string s)
- {
- return ConvertFrom (s);
- }
-
- public object ConvertFromString (ITypeDescriptorContext context, string text)
- {
- return ConvertFromString (context, CultureInfo.CurrentCulture, text);
- }
-
- [MonoTODO]
- public object ConvertFromString (ITypeDescriptorContext context, CultureInfo culture, string text)
- {
- throw new NotImplementedException ();
- }
-
- public object ConvertTo (object value, Type destinationType)
- {
- return ConvertTo (null, null, value, destinationType);
- }
+ public bool CanConvertFrom (Type sourceType)
+ {
+ return CanConvertFrom (null, sourceType);
+ }
- public virtual object ConvertTo (ITypeDescriptorContext context,
- CultureInfo culture,
- object value,
- Type destinationType)
- {
- // context? culture?
- if (destinationType == null)
- throw new ArgumentNullException ("destinationType");
+ public virtual bool CanConvertFrom (ITypeDescriptorContext context, Type sourceType)
+ {
+ return false;
+ }
- if (destinationType == typeof (string)) {
- if (value != null)
- return value.ToString();
- return String.Empty;
+ public bool CanConvertTo (Type destinationType)
+ {
+ return CanConvertTo (null, destinationType);
}
- throw new NotSupportedException ("Conversion not supported");
- }
+ public virtual bool CanConvertTo (ITypeDescriptorContext context, Type destinationType)
+ {
+ return (destinationType == typeof (string));
+ }
- public string ConvertToInvariantString (object value)
- {
- return ConvertToInvariantString (null, value);
- }
+ public object ConvertFrom (object o)
+ {
+ return ConvertFrom (null, CultureInfo.CurrentCulture, o);
+ }
- [MonoTODO]
- public string ConvertToInvariantString (ITypeDescriptorContext context, object value)
- {
- throw new NotImplementedException ();
- }
+ public virtual object ConvertFrom (ITypeDescriptorContext context, CultureInfo culture, object value)
+ {
+ throw new NotSupportedException (this.ToString() + " cannot be created from '" +
+ value.GetType().ToString() + "'");
+ }
- public string ConvertToString (object value)
- {
- return (string) ConvertTo (null, CultureInfo.CurrentCulture, value, typeof (string));
- }
+ public object ConvertFromInvariantString (string text)
+ {
+ return ConvertFromInvariantString (null, text);
+ }
- public string ConvertToString (ITypeDescriptorContext context, object value)
- {
- return (string) ConvertTo (context, CultureInfo.CurrentCulture, value, typeof (string));
- }
+ public object ConvertFromInvariantString (ITypeDescriptorContext context, string text)
+ {
+ return ConvertFromString (context, CultureInfo.InvariantCulture, text);
+ }
- public string ConvertToString (ITypeDescriptorContext context, CultureInfo culture, object value)
- {
- return (string) ConvertTo (context, culture, value, typeof (string));
- }
+ public object ConvertFromString (string text)
+ {
+ return ConvertFrom (text);
+ }
- [MonoTODO]
- public object CreateInstance (IDictionary propertyValues)
- {
- throw new NotImplementedException ();
- }
+ public object ConvertFromString (ITypeDescriptorContext context, string text)
+ {
+ return ConvertFromString (context, CultureInfo.CurrentCulture, text);
+ }
- [MonoTODO]
- protected Exception GetConvertFromException (object value)
- {
- throw new NotImplementedException ();
- }
+ public object ConvertFromString (ITypeDescriptorContext context, CultureInfo culture, string text)
+ {
+ return ConvertFrom (context, culture, text);
+ }
- [MonoTODO]
- protected Exception GetConvertToException (object value, Type destinationType)
- {
- throw new NotImplementedException ();
- }
+ public object ConvertTo (object value, Type destinationType)
+ {
+ return ConvertTo (null, null, value, destinationType);
+ }
- [MonoTODO]
- public virtual object CreateInstance (ITypeDescriptorContext context, IDictionary propertyValues)
- {
- throw new NotImplementedException ();
- }
+ public virtual object ConvertTo (ITypeDescriptorContext context, CultureInfo culture, object value,
+ Type destinationType)
+ {
+ // context? culture?
+ if (destinationType == null)
+ throw new ArgumentNullException ("destinationType");
+
+ if (destinationType == typeof (string)) {
+ if (value != null)
+ return value.ToString();
+ return String.Empty;
+ }
- [MonoTODO]
- public bool GetCreateInstanceSupported ()
- {
- throw new NotImplementedException ();
- }
+ throw new NotSupportedException ("Conversion not supported");
+ }
- [MonoTODO]
- public virtual bool GetCreateInstanceSupported (ITypeDescriptorContext context)
- {
- throw new NotImplementedException ();
- }
+ public string ConvertToInvariantString (object value)
+ {
+ return ConvertToInvariantString (null, value);
+ }
- public PropertyDescriptorCollection GetProperties (object value)
- {
- return GetProperties (null, value);
- }
+ public string ConvertToInvariantString (ITypeDescriptorContext context, object value)
+ {
+ return (string) ConvertTo (context, CultureInfo.InvariantCulture, value, typeof (string));
+ }
- public PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context, object value)
- {
- return GetProperties (context, value, null);
- }
+ public string ConvertToString (object value)
+ {
+ return (string) ConvertTo (null, CultureInfo.CurrentCulture, value, typeof (string));
+ }
- public virtual PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context,
- object value,
- Attribute[] attributes)
- {
- return null;
- }
+ public string ConvertToString (ITypeDescriptorContext context, object value)
+ {
+ return (string) ConvertTo (context, CultureInfo.CurrentCulture, value, typeof (string));
+ }
- public bool GetPropertiesSupported ()
- {
- return GetPropertiesSupported (null);
- }
+ public string ConvertToString (ITypeDescriptorContext context, CultureInfo culture, object value)
+ {
+ return (string) ConvertTo (context, culture, value, typeof (string));
+ }
- public virtual bool GetPropertiesSupported (ITypeDescriptorContext context)
- {
- return false;
- }
+ protected Exception GetConvertFromException (object value)
+ {
+ throw new NotSupportedException (this.ToString() + " cannot convert from '" +
+ value.GetType().ToString() + "'");
+ }
- public ICollection GetStandardValues ()
- {
- return GetStandardValues (null);
- }
+ protected Exception GetConvertToException (object value, Type destinationType)
+ {
+ throw new NotSupportedException (this.ToString() + " cannot convert from '" +
+ value.GetType().ToString() + "' to '" + destinationType.ToString() + "'");
+ }
- public virtual StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
- {
- return null;
- }
+ public object CreateInstance (IDictionary propertyValues)
+ {
+ return CreateInstance (null, propertyValues);
+ }
- public bool GetStandardValuesExclusive ()
- {
- return GetStandardValuesExclusive (null);
- }
+ public virtual object CreateInstance (ITypeDescriptorContext context, IDictionary propertyValues)
+ {
+ return null;
+ }
- public virtual bool GetStandardValuesExclusive (ITypeDescriptorContext context)
- {
- return false;
- }
+ public bool GetCreateInstanceSupported ()
+ {
+ return GetCreateInstanceSupported (null);
+ }
- public bool GetStandardValuesSupported ()
- {
- return GetStandardValuesSupported (null);
- }
+ public virtual bool GetCreateInstanceSupported (ITypeDescriptorContext context)
+ {
+ return false;
+ }
- public virtual bool GetStandardValuesSupported (ITypeDescriptorContext context)
- {
- return false;
- }
+ public PropertyDescriptorCollection GetProperties (object value)
+ {
+ return GetProperties (null, value);
+ }
- public bool IsValid (object value)
- {
- return IsValid (null, value);
- }
+ public PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context, object value)
+ {
+ return GetProperties (context, value, null);
+ }
- public virtual bool IsValid (ITypeDescriptorContext context, object value)
- {
- return true;
- }
+ public virtual PropertyDescriptorCollection GetProperties (ITypeDescriptorContext context,
+ object value, Attribute[] attributes)
+ {
+ return null;
+ }
- public class StandardValuesCollection : ICollection, IEnumerable
- {
- private ICollection values;
-
- public StandardValuesCollection (ICollection values)
+ public bool GetPropertiesSupported ()
{
- this.values = values;
+ return GetPropertiesSupported (null);
}
- public void CopyTo (Array array, int index)
+ public virtual bool GetPropertiesSupported (ITypeDescriptorContext context)
{
- values.CopyTo (array, index);
+ return false;
}
- public IEnumerator GetEnumerator ()
+ public ICollection GetStandardValues ()
{
- return values.GetEnumerator ();
+ return GetStandardValues (null);
}
- bool ICollection.IsSynchronized
+ public virtual StandardValuesCollection GetStandardValues (ITypeDescriptorContext context)
{
- get { return false; }
+ return null;
}
- object ICollection.SyncRoot
+ public bool GetStandardValuesExclusive ()
{
- get { return null; }
+ return GetStandardValuesExclusive (null);
}
- int ICollection.Count
+ public virtual bool GetStandardValuesExclusive (ITypeDescriptorContext context)
{
- get { return this.Count; }
+ return false;
}
- public int Count
+ public bool GetStandardValuesSupported ()
{
- get { return values.Count; }
+ return GetStandardValuesSupported (null);
}
- public object this [int index]
+ public virtual bool GetStandardValuesSupported (ITypeDescriptorContext context)
{
- get { return ((IList) values) [index]; }
+ return false;
}
- }
- protected abstract class SimplePropertyDescriptor : PropertyDescriptor
- {
- private Type componentType;
- private Type propertyType;
-
- public SimplePropertyDescriptor (Type componentType,
- string name,
- Type propertyType) :
- this (componentType, name, propertyType, new Attribute [0])
+ public bool IsValid (object value)
{
+ return IsValid (null, value);
}
- public SimplePropertyDescriptor (Type componentType,
- string name,
- Type propertyType,
- Attribute [] attributes) : base (name, attributes)
+ public virtual bool IsValid (ITypeDescriptorContext context, object value)
{
- this.componentType = componentType;
- this.propertyType = propertyType;
+ return true;
}
- public override Type ComponentType
+ protected PropertyDescriptorCollection SortProperties (PropertyDescriptorCollection props, string[] names)
{
- get { return componentType; }
+ props.Sort (names);
+ return props;
}
- public override Type PropertyType
+ public class StandardValuesCollection : ICollection, IEnumerable
{
- get { return propertyType; }
+ private ICollection values;
+
+ public StandardValuesCollection (ICollection values)
+ {
+ this.values = values;
+ }
+
+ public void CopyTo (Array array, int index)
+ {
+ values.CopyTo (array, index);
+ }
+
+ public IEnumerator GetEnumerator ()
+ {
+ return values.GetEnumerator ();
+ }
+
+ bool ICollection.IsSynchronized {
+ get { return false; }
+ }
+
+ object ICollection.SyncRoot {
+ get { return null; }
+ }
+
+ int ICollection.Count {
+ get { return this.Count; }
+ }
+
+ public int Count {
+ get { return values.Count; }
+ }
+
+ public object this [int index] {
+ get { return ((IList) values) [index]; }
+ }
}
- public override bool IsReadOnly
+ protected abstract class SimplePropertyDescriptor : PropertyDescriptor
{
- get {
- return Attributes.Contains (ReadOnlyAttribute.Yes);
+ private Type componentType;
+ private Type propertyType;
+
+ public SimplePropertyDescriptor (Type componentType,
+ string name,
+ Type propertyType) :
+ this (componentType, name, propertyType, null)
+ {
+ }
+
+ public SimplePropertyDescriptor (Type componentType,
+ string name,
+ Type propertyType,
+ Attribute [] attributes) : base (name, attributes)
+ {
+ this.componentType = componentType;
+ this.propertyType = propertyType;
+ }
+
+ public override Type ComponentType {
+ get { return componentType; }
}
+
+ public override Type PropertyType {
+ get { return propertyType; }
+ }
+
+ public override bool IsReadOnly {
+ get { return Attributes.Contains (ReadOnlyAttribute.Yes); }
+ }
+
+ public override bool ShouldSerializeValue (object component)
+ {
+ return false;
+ }
+
+ public override bool CanResetValue (object component)
+ {
+ DefaultValueAttribute Attrib = ((DefaultValueAttribute) Attributes[typeof (DefaultValueAttribute)]);
+ if (Attrib == null) {
+ return false;
+ }
+ return (Attrib.Value == GetValue (component));
+ }
+
+ public override void ResetValue (object component)
+ {
+ DefaultValueAttribute Attrib = ((DefaultValueAttribute) Attributes[typeof (DefaultValueAttribute)]);
+ if (Attrib != null) {
+ SetValue (component, Attrib.Value);
+ }
+
+ }
}
}
}
-}
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