93 lines
2.7 KiB
C#
93 lines
2.7 KiB
C#
//
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// ControlParameters.cs
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//
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// Authors:
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// Marek Safar <marek.safar@gmail.com>
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//
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// Copyright (C) 2013 Xamarin Inc (http://www.xamarin.com)
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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.Collections;
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using System.Collections.Generic;
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using System.Linq;
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namespace System.ComponentModel.DataAnnotations
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{
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sealed class ControlParameters : IEquatable<ControlParameters>
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{
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Dictionary<string, object> dictionary;
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readonly object[] parameters;
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public ControlParameters (object[] parameters)
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{
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this.parameters = parameters;
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}
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public Dictionary<string, object> Dictionary {
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get {
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return dictionary ?? (dictionary = CreateDictionary ());
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}
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}
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public bool Equals (ControlParameters other)
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{
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if (parameters == null || other.parameters == null)
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return ReferenceEquals (parameters, other.parameters);
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if (parameters.Length != other.parameters.Length)
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return false;
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try {
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return Dictionary.OrderBy (l => l.Key).SequenceEqual (other.Dictionary.OrderBy (l => l.Key));
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} catch (InvalidOperationException) {
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return false;
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}
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}
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Dictionary<string, object> CreateDictionary ()
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{
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if (parameters == null || parameters.Length == 0) {
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return new Dictionary<string, object> (0);
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}
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if (parameters.Length % 2 != 0)
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throw new InvalidOperationException ();
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var dict = new Dictionary<string, object> ();
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for (int i = 0; i < parameters.Length; ) {
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var key = parameters [i++] as string;
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if (key == null)
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throw new InvalidOperationException ();
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try {
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dict.Add (key, parameters[i++]);
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} catch (System.ArgumentException) {
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throw new InvalidOperationException ();
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}
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}
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return dict;
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}
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}
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}
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