/// <summary>
/// Removes the selected item from the selector's collection.
/// </summary>
public virtual void RemoveSelected()
{
if (SelectedIndex >= 0 && SelectedIndex < ItemsCore.Count)
{
ItemsCore.RemoveAt(SelectedIndex);
}
}
/// <summary>
/// Replaces an item in the selector's collection.
/// </summary>
/// <param name="prevItem">The item to replace.</param>
/// <param name="newItem">The item to replace <paramref name="prevItem" /> with.</param>
/// <returns>true if the item could be replaced; otherwise, false.</returns>
public virtual bool Replace(T prevItem, T newItem)
{
var index = ItemsCore.IndexOf(prevItem);
if (index < 0)
{
return(false);
}
ItemsCore[index] = newItem;
return(true);
}
/// <summary>
/// Removes the first occurrence of a specific object from the
/// <see cref="T:System.Collections.Generic.ICollection`1" />.
/// </summary>
/// <param name="item">The object to remove from the <see cref="T:System.Collections.Generic.ICollection`1" />.</param>
/// <returns>
/// true if <paramref name="item" /> was successfully removed from the
/// <see cref="T:System.Collections.Generic.ICollection`1" />; otherwise, false. This method also returns false if
/// <paramref name="item" /> is not found in the original <see cref="T:System.Collections.Generic.ICollection`1" />.
/// </returns>
public virtual bool Remove(T item)
{
var index = ItemsCore.IndexOf(item);
if (index < 0)
{
return(false);
}
ItemsCore.RemoveAt(index);
return(true);
}
protected virtual void OnTeardown()
{
foreach (var item in Items)
{
var disposable = item as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
ItemsCore.Clear();
}
/// <summary>
/// Replaces an item in the selector's collection and selects the new item.
/// </summary>
/// <param name="prevItem">The item to replace.</param>
/// <param name="newItem">The item to replace <paramref name="prevItem" /> with.</param>
/// <returns>true if the item could be replaced; otherwise, false.</returns>
public virtual bool ReplaceAndSelect(T prevItem, T newItem)
{
var index = ItemsCore.IndexOf(prevItem);
if (index < 0)
{
return(false);
}
if (index == SelectedIndex)
{
SelectedIndex = -1;
}
ItemsCore[index] = newItem;
SelectedIndex = index;
return(true);
}
/// <summary>
/// Inserts an item to the selector's collection at the specified index and selects it.
/// </summary>
/// <param name="index">The zero-based index at which <paramref name="item" /> should be inserted. index.</param>
/// <param name="item">The object to insert.</param>
public virtual void InsertAndSelect(int index, T item)
{
ItemsCore.Insert(index, item);
SelectedIndex = index;
}
/// <summary>
/// Adds an item to the collection and selects it.
/// </summary>
/// <param name="item">The object to add.</param>
public virtual void AddAndSelect(T item)
{
ItemsCore.Add(item);
SelectedIndex = ItemsCore.Count - 1;
}
/// <summary>
/// Returns an enumerator that iterates through the collection.
/// </summary>
/// <returns>
/// An enumerator that can be used to iterate through the collection.
/// </returns>
public IEnumerator <T> GetEnumerator()
{
return(ItemsCore.GetEnumerator());
}
/// <summary>
/// Determines whether the <see cref="T:System.Collections.Generic.ICollection`1" /> contains a specific value.
/// </summary>
/// <param name="item">The object to locate in the <see cref="T:System.Collections.Generic.ICollection`1" />.</param>
/// <returns>
/// true if <paramref name="item" /> is found in the <see cref="T:System.Collections.Generic.ICollection`1" />;
/// otherwise, false.
/// </returns>
public bool Contains(T item)
{
return(ItemsCore.Contains(item));
}
/// <summary>
/// Removes all items from the <see cref="T:System.Collections.Generic.ICollection`1" />.
/// </summary>
public virtual void Clear()
{
ItemsCore.Clear();
}
/// <summary>
/// Copies the elements of the <see cref="T:System.Collections.Generic.ICollection`1" /> to an
/// <see cref="T:System.Array" />, starting at a particular <see cref="T:System.Array" /> index.
/// </summary>
/// <param name="array">
/// The one-dimensional <see cref="T:System.Array" /> that is the destination of the elements copied
/// from <see cref="T:System.Collections.Generic.ICollection`1" />. The <see cref="T:System.Array" /> must have
/// zero-based indexing.
/// </param>
/// <param name="arrayIndex">The zero-based index in <paramref name="array" /> at which copying begins.</param>
public void CopyTo(T[] array, int arrayIndex)
{
ItemsCore.CopyTo(array, arrayIndex);
}
/// <summary>
/// Removes the <see cref="T:System.Collections.Generic.IList`1" /> item at the specified index.
/// </summary>
/// <param name="index">The zero-based index of the item to remove.</param>
public virtual void RemoveAt(int index)
{
ItemsCore.RemoveAt(index);
}
/// <summary>
/// Inserts an item to the <see cref="T:System.Collections.Generic.IList`1" /> at the specified index.
/// </summary>
/// <param name="index">The zero-based index at which <paramref name="item" /> should be inserted.</param>
/// <param name="item">The object to insert into the <see cref="T:System.Collections.Generic.IList`1" />.</param>
public virtual void Insert(int index, T item)
{
ItemsCore.Insert(index, item);
}
/// <summary>
/// Determines the index of a specific item in the <see cref="T:System.Collections.Generic.IList`1" />.
/// </summary>
/// <param name="item">The object to locate in the <see cref="T:System.Collections.Generic.IList`1" />.</param>
/// <returns>
/// The index of <paramref name="item" /> if found in the list; otherwise, -1.
/// </returns>
public int IndexOf(T item)
{
return(ItemsCore.IndexOf(item));
}
/// <summary>
/// Adds an item to the <see cref="T:System.Collections.Generic.ICollection`1" />.
/// </summary>
/// <param name="item">The object to add to the <see cref="T:System.Collections.Generic.ICollection`1" />.</param>
public virtual void Add(T item)
{
ItemsCore.Add(item);
}
