/// <summary>
/// 比較する。
/// </summary>
/// <param name="item1">アイテム１．</param>
/// <param name="item2">アイテム２．</param>
/// <returns>item1＜item2:-1、item1==item2:0、item1＞item2:1。</returns>
public override int Compare(ListViewItemEx item1, ListViewItemEx item2)
{
int cmp;
bool ascending = this.Order == SortOrder.Ascending;
FileListViewItem flvi1 = item1 as FileListViewItem;
FileListViewItem flvi2 = item2 as FileListViewItem;
if (flvi1 == null || flvi1.Cols == null || flvi2 == null || flvi2.Cols == null)
{
// どちらかのアイテムが FileListViewItem では内場合は FileListViewItem以外<FileListViewItem になるようにする
if (flvi1 == null && flvi2 == null)
{
return(0);
}
else if (flvi1 == null)
{
return(ascending ? -1 : 1);
}
else
{
return(ascending ? 1 : -1);
}
}
ShellItem shi1 = flvi1.ShellItem;
ShellItem shi2 = flvi2.ShellItem;
if (shi1.ItemType != shi2.ItemType)
{
// アイテムの種類が異なる場合は種類に応じて大小判定
int i1 = (int)shi1.ItemType;
int i2 = (int)shi2.ItemType;
if (i1 == i2)
{
cmp = 0;
}
else if (i1 < i2)
{
cmp = -1;
}
else
{
cmp = 1;
}
return(ascending ? cmp : -cmp);
}
if (shi1.ItemType == ShellItemType.Drive)
{
// ドライブ同士を比較する場合はドライブ名で比較
cmp = shi1.Path.CompareTo(shi2.Path);
return(ascending ? cmp : -cmp);
}
return(base.Compare(item1, item2));
}
private void onRemoved(SubsidiaryMarket m, SubsidiaryCompany company)
{
if (m != market)
{
return; // ignore
}
ListViewItemEx item = (ListViewItemEx)companies[company];
companies.Remove(company);
list.Items.Remove(item);
}
private void onAdded(SubsidiaryMarket m, SubsidiaryCompany company)
{
if (m != market)
{
return; // ignore
}
ListViewItem item = new ListViewItemEx(company);
list.Items.Insert(0, item);
companies.Add(company, item);
}
