void CreateExtendActionMenus(IEnumerable <ExtendActionInfo> actions, ref int index)
{
if (actions.IsNullOrEmpty())
{
return;
}
if (!ExtendActionItems.IsEmpty())
{
var tss = new ToolStripSeparator();
ChartContextMenuStrip.Items.Insert(index++, tss);
ExtendActionItems.Add(tss);
}
foreach (var ea in actions)
{
var mi = new ToolStripMenuItem();
mi.Text = Lang._(ea.Text);
mi.Image = ea.Icon;
mi.ShortcutKeyDisplayString = ea.ShortcutKeyDisplayString;
mi.Click += ea.Processor;
//
ChartContextMenuStrip.Items.Insert(index++, mi);
ExtendActionItems.Add(mi);
}
}
void CreateExtendActionMenus()
{
ClearExtendActionMenus();
if (ChartContextMenuStrip == null || SelectedObjects.Length != 1)
{
return;
}
var mindex = ExtendActionMenuIndex;
if (mindex < 0 || mindex >= ChartContextMenuStrip.Items.Count)
{
mindex = ChartContextMenuStrip.Items.Count;
}
var so = SelectedObjects.First();
if (so is IExtendActionProvider)
{
var ep = (IExtendActionProvider)so;
CreateExtendActionMenus(ep.GetExtendActions(ReadOnly), ref mindex);
}
//
CreateExtendActionMenus(GetExtendActions(), ref mindex);
// separators
if (!ExtendActionItems.IsEmpty())
{
var min = ChartContextMenuStrip.Items.IndexOf(ExtendActionItems.First());
var max = ChartContextMenuStrip.Items.IndexOf(ExtendActionItems.Last());
if (max < ChartContextMenuStrip.Items.Count - 1 && !(ChartContextMenuStrip.Items[max + 1] is ToolStripSeparator))
{
var tss = new ToolStripSeparator();
ChartContextMenuStrip.Items.Insert(max, tss);
ExtendActionItems.Add(tss);
}
if (min > 0 && !(ChartContextMenuStrip.Items[min - 1] is ToolStripSeparator))
{
var tss = new ToolStripSeparator();
ChartContextMenuStrip.Items.Insert(min, tss);
ExtendActionItems.Add(tss);
}
}
}
void ClearExtendActionMenus()
{
if (ChartContextMenuStrip == null || ExtendActionItems.IsNullOrEmpty())
{
return;
}
foreach (var mi in ExtendActionItems)
{
if (ChartContextMenuStrip.Items.Contains(mi))
{
ChartContextMenuStrip.Items.Remove(mi);
}
}
ExtendActionItems.Clear();
}
