114 lines
3.0 KiB
C#
114 lines
3.0 KiB
C#
//
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// System.ComponentModel.ToolboxItemAttribute
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//
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// Authors:
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// Gonzalo Paniagua Javier (gonzalo@ximian.com)
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//
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// (C) 2002 Ximian, Inc (http://www.ximian.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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namespace System.ComponentModel
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{
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[AttributeUsage(AttributeTargets.All)]
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public class ToolboxItemAttribute : Attribute
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{
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private const string defaultItemType = "System.Drawing.Design.ToolboxItem, " + Consts.AssemblySystem_Drawing;
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public static readonly ToolboxItemAttribute Default = new ToolboxItemAttribute (defaultItemType);
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public static readonly ToolboxItemAttribute None = new ToolboxItemAttribute (false);
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private Type itemType;
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private string itemTypeName;
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public ToolboxItemAttribute (bool defaultType)
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{
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if (defaultType)
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itemTypeName = defaultItemType;
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}
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public ToolboxItemAttribute (string toolboxItemName)
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{
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itemTypeName = toolboxItemName;
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}
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public ToolboxItemAttribute (Type toolboxItemType)
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{
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itemType = toolboxItemType;
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}
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public Type ToolboxItemType
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{
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get {
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if (itemType == null && itemTypeName != null)
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try {
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itemType = Type.GetType (itemTypeName, true);
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} catch (Exception ex) {
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throw new ArgumentException ("Failed to create ToolboxItem of type: "
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+ itemTypeName, ex);
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}
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return itemType;
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}
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}
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public string ToolboxItemTypeName
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{
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get {
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if (itemTypeName == null) {
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if (itemType == null)
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return string.Empty;
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itemTypeName = itemType.AssemblyQualifiedName;
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}
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return itemTypeName;
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}
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}
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public override bool Equals (object o)
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{
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ToolboxItemAttribute item = o as ToolboxItemAttribute;
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if (item == null)
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return false;
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return (item.ToolboxItemTypeName == ToolboxItemTypeName);
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}
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public override int GetHashCode ()
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{
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if (itemTypeName != null) {
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return itemTypeName.GetHashCode ();
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}
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return base.GetHashCode ();
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}
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public override bool IsDefaultAttribute ()
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{
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return Equals (Default);
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}
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}
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}
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