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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 | #region License/* FNA - XNA4 Reimplementation for Desktop Platforms * Copyright 2009-2016 Ethan Lee and the MonoGame Team * * Released under the Microsoft Public License. * See LICENSE for details. *//* Derived from code by the Mono.Xna Team (Copyright 2006). * Released under the MIT License. See monoxna.LICENSE for details. */#endregion#region Using Statementsusing System;using System.Collections;using System.Collections.Generic;#endregionnamespace Microsoft.Xna.Framework{ /// <summary> /// The collection of the <see cref="CurveKey"/> elements and a part of the <see cref="Curve"/> class. /// </summary> public class CurveKeyCollection : ICollection<CurveKey>, IEnumerable<CurveKey>, IEnumerable { #region Public Properties /// <summary> /// Returns the count of keys in this collection. /// </summary> public int Count { get { return innerlist.Count; } } /// <summary> /// Returns false because it is not a read-only collection. /// </summary> public bool IsReadOnly { get { return this.isReadOnly; } } /// <summary> /// Indexer. /// </summary> /// <param name="index">The index of key in this collection.</param> /// <returns><see cref="CurveKey"/> at <paramref name="index"/> position.</returns> public CurveKey this[int index] { get { return innerlist[index]; } set { if (value == null) { throw new ArgumentNullException("value"); } if (index >= innerlist.Count) { throw new IndexOutOfRangeException(); } if (MathHelper.WithinEpsilon(innerlist[index].Position, value.Position)) { innerlist[index] = value; } else { innerlist.RemoveAt(index); innerlist.Add(value); } } } #endregion #region Private Fields private bool isReadOnly = false; private List<CurveKey> innerlist; #endregion #region Public Constructors /// <summary> /// Creates a new instance of <see cref="CurveKeyCollection"/> class. /// </summary> public CurveKeyCollection() { innerlist = new List<CurveKey>(); } #endregion #region Public Methods /// <summary> /// Adds a key to this collection. /// </summary> /// <param name="item">New key for the collection.</param> /// <exception cref="ArgumentNullException">Throws if <paramref name="item"/> is null.</exception> /// <remarks>The new key would be added respectively to a position of that key and the position of other keys.</remarks> public void Add(CurveKey item) { if (item == null) { throw new ArgumentNullException("item"); } if (innerlist.Count == 0) { this.innerlist.Add(item); return; } for (int i = 0; i < this.innerlist.Count; i += 1) { if (item.Position < this.innerlist[i].Position) { this.innerlist.Insert(i, item); return; } } this.innerlist.Add(item); } /// <summary> /// Removes all keys from this collection. /// </summary> public void Clear() { innerlist.Clear(); } /// <summary> /// Creates a copy of this collection. /// </summary> /// <returns>A copy of this collection.</returns> public CurveKeyCollection Clone() { CurveKeyCollection ckc = new CurveKeyCollection(); foreach (CurveKey key in this.innerlist) { ckc.Add(key); } return ckc; } /// <summary> /// Determines whether this collection contains a specific key. /// </summary> /// <param name="item">The key to locate in this collection.</param> /// <returns><c>true</c> if the key is found; <c>false</c> otherwise.</returns> public bool Contains(CurveKey item) { return innerlist.Contains(item); } /// <summary> /// Copies the keys of this collection to an array, starting at the array index provided. /// </summary> /// <param name="array">Destination array where elements will be copied.</param> /// <param name="arrayIndex">The zero-based index in the array to start copying from.</param> public void CopyTo(CurveKey[] array, int arrayIndex) { innerlist.CopyTo(array, arrayIndex); } /// <summary> /// Returns an enumerator that iterates through the collection. /// </summary> /// <returns>An enumerator for the <see cref="CurveKeyCollection"/>.</returns> public IEnumerator<CurveKey> GetEnumerator() { return innerlist.GetEnumerator(); } /// <summary> /// Finds element in the collection and returns its index. /// </summary> /// <param name="item">Element for the search.</param> /// <returns>Index of the element; or -1 if item is not found.</returns> public int IndexOf(CurveKey item) { return innerlist.IndexOf(item); } /// <summary> /// Removes specific element. /// </summary> /// <param name="item">The element</param> /// <returns><c>true</c> if item is successfully removed; <c>false</c> otherwise. This method also returns <c>false</c> if item was not found.</returns> public bool Remove(CurveKey item) { return innerlist.Remove(item); } /// <summary> /// Removes element at the specified index. /// </summary> /// <param name="index">The index which element will be removed.</param> public void RemoveAt(int index) { innerlist.RemoveAt(index); } IEnumerator IEnumerable.GetEnumerator() { return innerlist.GetEnumerator(); } #endregion }} |
