protected override void OnSelectionChanged()
{
base.OnSelectionChanged();
TabbedMultiView multiView = ((TabbedMultiView)OwnerControl);
TabView view = null;
// Cannot use FindControl without a Naming Container. Only during initialization phase of aspx.
if (multiView.NamingContainer != null)
{
bool isPlaceHolderTab = _target == null;
if (isPlaceHolderTab)
{
view = multiView._placeHolderTabView;
}
else
{
view = (TabView)multiView.MultiViewInternal.FindControl(_target);
}
}
else
{
foreach (TabView tabView in multiView.MultiViewInternal.Controls)
{
if (tabView.ID == _target)
{
view = tabView;
break;
}
}
}
multiView.SetActiveView(view);
}
private void OnTabViewRemove(TabView view)
{
EnsureChildControls();
TabView activeView = GetActiveView();
if (view != null && view == activeView)
{
int index = MultiViewInternal.Controls.IndexOf(view);
bool isLastTab = index == MultiViewInternal.Controls.Count - 1;
if (isLastTab)
{
if (MultiViewInternal.Controls.Count > 1)
{
_newActiveTabAfterRemove = (TabView)MultiViewInternal.Controls[index - 1];
}
else // No Tabs left after this tab
{
_newActiveTabAfterRemove = _placeHolderTabView;
}
}
else
{
_newActiveTabAfterRemove = (TabView)MultiViewInternal.Controls[index + 1];
}
}
else
{
_newActiveTabAfterRemove = null;
}
}
public override void AddAt(int index, Control control)
{
TabView view = ArgumentUtility.CheckNotNullAndType <TabView> ("control", control);
base.AddAt(index, view);
Owner.OnTabViewInserted(view);
}
public override void Remove(Control control)
{
TabView view = ArgumentUtility.CheckNotNullAndType <TabView> ("control", control);
Owner.OnTabViewRemove(view);
base.Remove(control);
Owner.OnTabViewRemoved(view);
}
public void SetActiveView(TabView view)
{
ArgumentUtility.CheckNotNull("view", view);
MultiViewInternal.SetActiveView(view);
TabView activeView = GetActiveView();
WebTab nextActiveTab = _tabStrip.Tabs.Find(activeView.ID + c_itemIDSuffix);
nextActiveTab.IsSelected = true;
}
public TabView GetActiveView()
{
TabView view = (TabView)MultiViewInternal.GetActiveView();
if (view != null && _isInitialized)
{
view.EnsureLazyControls();
}
return(view);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
TabView view = (TabView)MultiViewInternal.GetActiveView();
if (view != null)
{
view.EnsureLazyControls();
}
}
protected override void AddedControl(Control control, int index)
{
TabView tabView = ArgumentUtility.CheckNotNullAndType <TabView> ("control", control);
tabView.IsLazyLoadingEnabled = Parent.EnableLazyLoading;
if (!Parent.EnableLazyLoading)
{
tabView.EnsureLazyControls();
}
base.AddedControl(control, index);
}
public override void RemoveAt(int index)
{
if (index < 0 || index > this.Count)
{
throw new ArgumentOutOfRangeException("index");
}
TabView view = (TabView)this[index];
Owner.OnTabViewRemove(view);
base.RemoveAt(index);
Owner.OnTabViewRemoved(view);
}
private void OnTabViewInserted(TabView view)
{
EnsureChildControls();
MultiViewTab tab = new MultiViewTab();
tab.ItemID = view.ID + c_itemIDSuffix;
tab.Text = view.Title;
tab.Icon = view.Icon;
tab.Target = view.ID;
_tabStrip.Tabs.Add(tab);
if (Views.Count == 2 && Views.IndexOf(_placeHolderTabView) > 0)
{
Views.Remove(_placeHolderTabView);
}
if (Views.Count == 1)
{
_multiViewInternal.ActiveViewIndex = 0;
}
}
private void OnTabViewRemoved(TabView view)
{
EnsureChildControls();
WebTab tab = _tabStrip.Tabs.Find(view.ID + c_itemIDSuffix);
if (tab == null)
{
return;
}
int tabIndex = _tabStrip.Tabs.IndexOf(tab);
_tabStrip.Tabs.RemoveAt(tabIndex);
if (_newActiveTabAfterRemove != null)
{
if (_newActiveTabAfterRemove == _placeHolderTabView)
{
Views.Add(_placeHolderTabView);
}
SetActiveView(_newActiveTabAfterRemove);
}
}
internal void OnTabViewRemoved(TabView view)
{
Parent.OnTabViewRemoved(view);
}
internal void OnTabViewInserted(TabView view)
{
Parent.OnTabViewInserted(view);
}
