private void selectAllToolStripMenuItem_Click(object sender, EventArgs e)
{
ListBoxArticle selectedListBox = ActiveControl as ListBoxArticle;
if (selectedListBox != null)
{
selectedListBox.BeginUpdate();
// workaround for Wine issue: use of {HOME} then +{END} leads to 100% CPU and locked application
// so use slower SetSelected if on Linux
if (Globals.UsingLinux)
{
for (int i = 0; i < selectedListBox.Items.Count; i++)
{
selectedListBox.SetSelected(i, true);
}
}
else
{
SendKeys.SendWait("{HOME}");
SendKeys.SendWait("+{END}");
}
selectedListBox.EndUpdate();
}
}
public void RemoveSelected()
{
ListBoxArticle lbArticles = new ListBoxArticle();
const int big = 70000, sel = 5000;
// sequential block deletion performance
for (int i = 0; i < big; i++)
lbArticles.Items.Add(new Article(i.ToString()));
for (int j = sel; j > 0; j--)
lbArticles.SetSelected(big-j, true);
lbArticles.RemoveSelected(true);
if (Globals.UsingMono) // Mono implementation of SetSelected does not seem to honour second input to multi-select
Assert.AreEqual(lbArticles.Items.Count, big-1);
else
Assert.AreEqual(lbArticles.Items.Count, big-sel);
// single selected item deletion performance
lbArticles.Items.Clear();
for (int i = 0; i < big*3; i++)
lbArticles.Items.Add(new Article(i.ToString()));
lbArticles.SetSelected((int)big/2, true);
lbArticles.RemoveSelected(true);
Assert.AreEqual(lbArticles.Items.Count, big*3-1);
// non-sequential deletion
lbArticles.Items.Clear();
for (int i = 0; i < 10; i++)
lbArticles.Items.Add(new Article(i.ToString()));
lbArticles.SetSelected(1, true);
lbArticles.SetSelected(3, true);
lbArticles.RemoveSelected(true);
if (Globals.UsingMono)
{
lbArticles.SetSelected(1, true);
lbArticles.RemoveSelected(true);
}
Assert.IsFalse(lbArticles.Items.Contains(new Article("1")));
Assert.IsFalse(lbArticles.Items.Contains(new Article("3")));
Assert.IsTrue(lbArticles.Items.Contains(new Article("2")));
lbArticles.Items.Clear();
for (int i = 0; i < 10; i++)
lbArticles.Items.Add(new Article(i.ToString()));
lbArticles.SetSelected(1, true);
lbArticles.SetSelected(5, true);
lbArticles.RemoveSelected(true);
if (Globals.UsingMono)
{
lbArticles.SetSelected(1, true);
lbArticles.RemoveSelected(true);
}
Assert.IsFalse(lbArticles.Items.Contains(new Article("1")));
Assert.IsFalse(lbArticles.Items.Contains(new Article("5")));
Assert.IsTrue(lbArticles.Items.Contains(new Article("2")));
lbArticles.Items.Clear();
lbArticles.Items.Add(new Article("A"));
lbArticles.Items.Add(new Article("A"));
lbArticles.Items.Add(new Article("B"));
lbArticles.SetSelected(2, true);
lbArticles.RemoveSelected(false);
Assert.AreEqual(lbArticles.Items.Count, 2, "Duplicates not removed if not in duplicate mode");
lbArticles.Items.Clear();
lbArticles.Items.Add(new Article("A"));
lbArticles.Items.Add(new Article("B"));
lbArticles.Items.Add(new Article("C"));
lbArticles.SetSelected(0, true);
lbArticles.SetSelected(1, true);
lbArticles.SetSelected(2, true);
lbArticles.RemoveSelected(false);
Assert.AreEqual(lbArticles.Items.Count, 0, "List cleared if all items selected and removed");
}
