private void ListFilters_KeyDown(object sender, KeyEventArgs e)
{
if (e.Control && e.KeyCode == Keys.A)
{
var itemCount = this.ListFilters.Items.Count;
if (itemCount == 0) return;
using (ControlTransaction.Update(this.ListFilters))
{
if (itemCount > 1)
{
try
{
_multiSelState |= MultiSelectionState.SelectAll;
for (int i = 1; i < itemCount; i++)
{
this.ListFilters.SetSelected(i, true);
}
}
finally
{
_multiSelState &= ~MultiSelectionState.SelectAll;
}
}
this.ListFilters.SetSelected(0, true);
}
}
}
private void MoveSelectedRules(bool up)
{
var tabIdx = ListTabs.SelectedIndex;
if (tabIdx == -1 ||
ListFilters.SelectedIndices.Count == 0) return;
var indices = ListFilters.SelectedIndices.Cast<int>().ToArray();
int diff;
if (up)
{
if (indices[0] <= 0) return;
diff = -1;
}
else
{
if (indices[indices.Length - 1] >= ListFilters.Items.Count - 1) return;
diff = +1;
Array.Reverse(indices); // 逆順にして、下にある要素から処理する
}
var lastSelIdx = indices[0] + diff;
var tab = _sts.Tabs[ListTabs.Items[tabIdx].ToString()];
try
{
_multiSelState |= MultiSelectionState.MoveSelected;
using (ControlTransaction.Update(ListFilters))
{
ListFilters.SelectedIndices.Clear();
foreach (var idx in indices)
{
var tidx = idx + diff;
var target = (PostFilterRule)ListFilters.Items[tidx];
// 移動先にある要素と位置を入れ替える
ListFilters.Items.RemoveAt(tidx);
ListFilters.Items.Insert(idx, target);
// 移動方向の先頭要素以外なら選択する
if (tidx != lastSelIdx)
ListFilters.SelectedIndex = tidx;
}
tab.FilterArray = ListFilters.Items.Cast<PostFilterRule>().ToArray();
// 移動方向の先頭要素は最後に選択する
// ※移動方向への自動スクロール目的
ListFilters.SelectedIndex = lastSelIdx;
}
}
finally
{
_multiSelState &= ~MultiSelectionState.MoveSelected;
}
}
