105 lines
3.6 KiB
C#
105 lines
3.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Text;
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using System.ComponentModel;
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namespace VEPROMS.CSLA.Library
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{
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public class DynamicPropertyDescriptor : PropertyDescriptor
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{
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private PropertyDescriptor _BasePropertyDescriptor;
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private ConfigDynamicTypeDescriptor _Instance;
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public DynamicPropertyDescriptor(ConfigDynamicTypeDescriptor instance, PropertyDescriptor basePropertyDescriptor)
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: base(basePropertyDescriptor)
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{
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_Instance = instance;
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_BasePropertyDescriptor = basePropertyDescriptor;
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}
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public override bool CanResetValue(object component)
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{ return _BasePropertyDescriptor.CanResetValue(component); }
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public override Type ComponentType
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{ get { return _BasePropertyDescriptor.ComponentType; } }
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public override object GetValue(object component)
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{ return _BasePropertyDescriptor.GetValue(component); }
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public override bool IsReadOnly
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{ get { return _Instance.IsReadOnly; } }
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public override Type PropertyType
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{ get { return _BasePropertyDescriptor.PropertyType; } }
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public override void ResetValue(object component)
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{ _BasePropertyDescriptor.ResetValue(component); }
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public override bool ShouldSerializeValue(object component)
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{ return _BasePropertyDescriptor.ShouldSerializeValue(component); }
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public override void SetValue(object component, object value)
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{ _BasePropertyDescriptor.SetValue(component, value); }
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}
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[Serializable()]
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public class ConfigDynamicTypeDescriptor //: ICustomTypeDescriptor//, ISupportInitialize
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{
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#region Events
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public event PropertyChangedEventHandler PropertyChanged;
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protected void OnPropertyChanged(String info)
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{
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_IsDirty = true;
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if (PropertyChanged != null)
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PropertyChanged(this, new PropertyChangedEventArgs(info));
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}
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private bool _IsDirty = false;
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public bool IsDirty
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{
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get { return _IsDirty; }
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set { _IsDirty = value; }
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}
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#endregion
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[NonSerialized]
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private PropertyDescriptorCollection dynamicProps;
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private bool _IsReadOnly = false;
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internal virtual bool IsReadOnly
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{
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get { return _IsReadOnly; }
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set { _IsReadOnly = value; }
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}
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public ConfigDynamicTypeDescriptor() { }
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#region "TypeDescriptor Implementation"
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public String GetClassName()
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{ return TypeDescriptor.GetClassName(this, true); }
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public AttributeCollection GetAttributes()
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{ return TypeDescriptor.GetAttributes(this, true); }
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public String GetComponentName()
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{ return TypeDescriptor.GetComponentName(this, true); }
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public TypeConverter GetConverter()
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{ return TypeDescriptor.GetConverter(this, true); }
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public EventDescriptor GetDefaultEvent()
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{ return TypeDescriptor.GetDefaultEvent(this, true); }
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public PropertyDescriptor GetDefaultProperty()
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{ return TypeDescriptor.GetDefaultProperty(this, true); }
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public object GetEditor(Type editorBaseType)
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{ return TypeDescriptor.GetEditor(this, editorBaseType, true); }
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public EventDescriptorCollection GetEvents(Attribute[] attributes)
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{ return TypeDescriptor.GetEvents(this, attributes, true); }
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public EventDescriptorCollection GetEvents()
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{ return TypeDescriptor.GetEvents(this, true); }
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public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
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{
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return GetProperties();
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}
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public PropertyDescriptorCollection GetProperties()
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{
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if (dynamicProps == null)
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{
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PropertyDescriptorCollection baseProps = TypeDescriptor.GetProperties(this, true);
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dynamicProps = new PropertyDescriptorCollection(null);
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foreach (PropertyDescriptor oProp in baseProps)
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{
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dynamicProps.Add(new DynamicPropertyDescriptor(this, oProp));
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}
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}
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return dynamicProps;
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}
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public object GetPropertyOwner(PropertyDescriptor pd)
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{ return this; }
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#endregion
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}
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}
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