/* ----------------------------------------------------------------- */
///
/// Replace
///
/// <summary>
/// 指定されたインデックスの内容を置換します。
/// </summary>
///
/* ----------------------------------------------------------------- */
public void Replace <T>(int index, T item)
{
if (index < 0 || index >= Count)
{
return;
}
var args = new ValueCancelEventArgs <int>(index);
OnReplacing(args);
if (args.Cancel || VirtualMode)
{
return;
}
var focused = Items[index].Focused;
var selected = Items[index].Selected;
Items[index] = Converter?.Convert(item) ??
new System.Windows.Forms.ListViewItem(item.ToString());
HackAlignmentBug();
Items[index].Focused = focused;
Items[index].Selected = selected;
OnReplaced(new ValueEventArgs <int>(index));
}
/* ----------------------------------------------------------------- */
///
/// WhenLocked
///
/// <summary>
/// ファイルがロックされている時に実行されるハンドラです。
/// </summary>
///
/* ----------------------------------------------------------------- */
private void WhenLocked(object sender, ValueCancelEventArgs <string> e)
{
var result = SyncWait(() => Views.ShowMessage(
string.Format(
Properties.Resources.MessageLock,
System.IO.Path.GetFileName(e.Value)
), MessageBoxButtons.RetryCancel));
e.Cancel = (result == DialogResult.Cancel);
}
/* ----------------------------------------------------------------- */
///
/// OnLocked
///
/// <summary>
/// Locked イベントを発生させます。
/// </summary>
///
/* ----------------------------------------------------------------- */
protected virtual void OnLocked(ValueCancelEventArgs <string> e)
{
if (Locked != null)
{
Locked(this, e);
}
else
{
e.Cancel = true;
}
}
/* ----------------------------------------------------------------- */
///
/// Insert
///
/// <summary>
/// 指定されたインデックスに項目を追加します。
/// </summary>
///
/* ----------------------------------------------------------------- */
public void Insert <T>(int index, T item)
{
var args = new ValueCancelEventArgs <int>(index);
OnAdding(args);
if (args.Cancel || VirtualMode)
{
return;
}
Items.Insert(index,
Converter?.Convert(item) ??
new System.Windows.Forms.ListViewItem(item.ToString())
);
HackAlignmentBug();
OnAdded(new ValueEventArgs <int>(index));
}
/* ----------------------------------------------------------------- */
///
/// RemoveItems
///
/// <summary>
/// 項目を削除します。
/// </summary>
///
/* ----------------------------------------------------------------- */
public void RemoveItems(IEnumerable <int> indices)
{
var args = new ValueCancelEventArgs <int[]>(indices.ToArray());
OnRemoving(args);
if (args.Cancel || VirtualMode)
{
return;
}
foreach (var index in indices.OrderByDescending(x => x))
{
if (index < 0 || index >= Count)
{
continue;
}
Items.RemoveAt(index);
}
OnRemoved(new ValueEventArgs <int[]>(indices.ToArray()));
}
/* ----------------------------------------------------------------- */ /// /// OnRemoving /// /// <summary> /// Removing イベントを発生させます。 /// </summary> /// /* ----------------------------------------------------------------- */ protected virtual void OnRemoving(ValueCancelEventArgs <int[]> e) => Removing?.Invoke(this, e);
/* ----------------------------------------------------------------- */ /// /// OnAdding /// /// <summary> /// Adding イベントを発生させます。 /// </summary> /// /* ----------------------------------------------------------------- */ protected virtual void OnAdding(ValueCancelEventArgs <int> e) => Adding?.Invoke(this, e);
public void ValueCancelEventArgs_Cancel()
{
var src = new ValueCancelEventArgs <int>(1);
Assert.That(src.Cancel, Is.False);
}
