private void ResultKeyDownHandler(object sender, KeyEventArgs e)
{
if ((e.Key >= Key.D0 && e.Key <= Key.D9))
{
var num = e.Key - Key.D0;
NumMod += num.ToString();
e.Handled = true;
return;
}
var maxCount = resultsGrid.Items.Count;
switch (e.Key)
{
case Key.Tab:
{
e.Handled = true;
var lastFocus = Keyboard.FocusedElement as FrameworkElement;
if (e.KeyboardDevice.IsKeyDown(Key.LeftShift) || e.KeyboardDevice.IsKeyDown(Key.RightShift))
{
// focus previous section
_deckWindow.ChangeActiveSection(-1);
}
else
{
// focus next section
_deckWindow.ChangeActiveSection(1);
}
if (lastFocus != null)
{
Keyboard.Focus(lastFocus);
}
break;
}
case Key.Escape:
{
NumMod = "";
e.Handled = true;
break;
}
case Key.G:
{
if (Keyboard.IsKeyDown(Key.LeftShift & Key.RightShift))
{
resultsGrid.SelectedItem = resultsGrid.Items[maxCount - 1];
resultsGrid.ScrollIntoView(resultsGrid.SelectedItem);
e.Handled = true;
}
break;
}
case Key.End:
{
resultsGrid.SelectedItem = resultsGrid.Items[maxCount - 1];
resultsGrid.ScrollIntoView(resultsGrid.SelectedItem);
e.Handled = true;
break;
}
case Key.Home:
{
resultsGrid.SelectedItem = resultsGrid.Items[0];
resultsGrid.ScrollIntoView(resultsGrid.SelectedItem);
e.Handled = true;
break;
}
}
if (e.Handled)
{
return;
}
var row = (DataRowView)resultsGrid.SelectedItem;
if (row == null)
{
return;
}
var loopNum = 1;
if (!String.IsNullOrWhiteSpace(NumMod))
{
loopNum = NumMod.ToInt32();
}
NumMod = "";
var gridItemContainer = resultsGrid.ItemContainerGenerator.ContainerFromItem(resultsGrid.SelectedItem);
if (gridItemContainer == null)
{
return;
}
var gridItemIdx = resultsGrid.ItemContainerGenerator.IndexFromContainer(gridItemContainer);
for (var i = 0; i < loopNum; i++)
{
switch (e.Key)
{
case Key.Insert:
case Key.Add:
case Key.A:
case Key.I:
case Key.Enter:
{
if (CardAdded != null)
{
var rowid = row["id"] as string;
if (rowid != null)
{
CardAdded(this, new SearchCardIdEventArgs {
CardId = Guid.Parse(rowid)
});
}
}
e.Handled = true;
break;
}
case Key.Delete:
case Key.D:
case Key.Subtract:
{
if (CardRemoved != null)
{
var rowid = row["id"] as string;
if (rowid != null)
{
CardRemoved(this, new SearchCardIdEventArgs {
CardId = Guid.Parse(rowid)
});
}
}
e.Handled = true;
break;
}
case Key.J:
case Key.Down:
{
//down
var newIdx = gridItemIdx + loopNum;
if (newIdx >= maxCount)
{
newIdx = maxCount - 1;
}
resultsGrid.SelectedItem = resultsGrid.Items[newIdx];
resultsGrid.ScrollIntoView(resultsGrid.SelectedItem);
e.Handled = true;
i = loopNum;
break;
}
case Key.K:
case Key.Up:
{
//up
var newIdx = gridItemIdx - loopNum;
if (newIdx < 0)
{
newIdx = 0;
}
resultsGrid.SelectedItem = resultsGrid.Items[newIdx];
resultsGrid.ScrollIntoView(resultsGrid.SelectedItem);
e.Handled = true;
i = loopNum;
break;
}
}
}
}
