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// ExtensionNodeAttribute.cs
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// Copyright (C) 2007 Novell, Inc (http://www.novell.com)
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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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// 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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// 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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/// This attribute can be applied to an ExtensionNode subclass to specify the default name and description.
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/// This information will be used when an extension point does not define a name or description for a node type.
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[AttributeUsage (AttributeTargets.Class)]
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public class ExtensionNodeAttribute: Attribute
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string customAttributeTypeName;
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Type customAttributeType;
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/// Initializes the attribute
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public ExtensionNodeAttribute ()
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/// Initializes the attribute
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/// <param name="nodeName">
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public ExtensionNodeAttribute (string nodeName)
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this.nodeName = nodeName;
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/// Initializes the attribute
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/// <param name="nodeName">
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/// <param name="description">
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/// Description of the node
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public ExtensionNodeAttribute (string nodeName, string description)
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this.nodeName = nodeName;
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this.description = description;
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/// Default name of the extension node
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public string NodeName {
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get { return nodeName != null ? nodeName : string.Empty; }
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set { nodeName = value; }
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/// Default description of the extension node type
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public string Description {
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get { return description != null ? description : string.Empty; }
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set { description = value; }
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/// Type of a custom attribute which can be used to specify metadata for this extension node type
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public Type ExtensionAttributeType {
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get { return customAttributeType; }
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set { customAttributeType = value; customAttributeTypeName = value.FullName; }
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internal string ExtensionAttributeTypeName {
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get { return customAttributeTypeName ?? string.Empty; }
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set { customAttributeTypeName = value; }