public ColumnViewModel(MainAreaViewModel parent, ColumnModel model)
{
_parent = parent;
_model = model;
this.CompositeDisposable.Add(
_tabs = ViewModelHelper.CreateReadOnlyDispatcherCollection(
model.Tabs,
_ => new TabViewModel(this, _),
DispatcherHelper.UIDispatcher));
this.CompositeDisposable.Add(
Observable.FromEvent(
h => _model.OnCurrentFocusColumnChanged += h,
h => _model.OnCurrentFocusColumnChanged -= h)
.Select(_ => _model.CurrentFocusTabIndex)
.Subscribe(UpdateFocusFromModel));
if (_tabs.Count > 0)
{
Focused = _tabs[0];
}
}
/// <summary>
/// Find column info where existed.
/// </summary>
/// <param name="column">find column</param>
/// <returns>If found, returns >= 0. Otherwise, return -1.</returns>
public static int FindColumnIndex(ColumnModel column)
{
for (var ci = 0; ci < _columns.Count; ci++)
{
if (_columns[ci] == column)
{
return ci;
}
}
return -1;
}