95 lines
2.0 KiB
C#
95 lines
2.0 KiB
C#
namespace ProjectCruiser.CollectionGenericObj;
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public class ArrayGenObj<T> : ICollectionGenObj<T>
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where T : class
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{
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// Массив объектов, которые храним
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private T?[] _collection;
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public int Count => _collection.Length;
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public int SetMaxCount
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{
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set
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{
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if (value > 0)
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{
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if (_collection.Length > 0) Array.Resize(ref _collection, value);
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else _collection = new T?[value];
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}
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}
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}
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// public int SetMaxCount { set { if (value > 0) { _collection = new T?[value]; } } }
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public ArrayGenObj()
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{
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_collection = Array.Empty<T?>();
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}
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// methods :
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public T? GetItem(int index)
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{
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if (index > Count || index < 0)
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{
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return null;
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}
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return _collection[index];
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}
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public int Insert(T? item)
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{
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// any empty place
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for (int i = 0; i < Count; i++)
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{
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if (_collection[i] == null)
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{
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_collection[i] = item;
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return i;
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}
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}
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return -1;
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}
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public int Insert(T? item, int index)
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{
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if (_collection[index] == null)
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{
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_collection[index] = item;
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return index;
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}
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else
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{
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int min_diff = 100, min_index = 100;
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for (int i = 0; i < Count; i++)
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{
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if (_collection[i] == null
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&& min_diff > Math.Abs(index - i))
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{
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min_diff = Math.Abs(index - i);
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min_index = i;
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}
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}
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_collection[min_index] = item;
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return min_index;
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}
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return -1;
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}
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public T? Remove(int index)
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{
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T? item;
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if (index < Count && index >= 0)
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{
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item = _collection[index];
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_collection[index] = null;
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return item;
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}
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return null;
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}
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}
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