/// <summary> Deselects a <see cref="WebTab"/> whose position in the list is still occupied. </summary>
protected void DeselectTab(WebTab tab, int index)
{
ArgumentUtility.CheckNotNull("tab", tab);
if (_tabStrip != null && tab.IsSelected)
{
bool isLastTab = index + 1 == InnerList.Count;
if (isLastTab)
{
if (InnerList.Count > 1)
{
WebTab penultimateTab = (WebTab)InnerList[index - 1];
_tabStrip.SetSelectedTabInternal(penultimateTab);
}
else
{
_tabStrip.SetSelectedTabInternal(null);
}
}
else
{
WebTab nextTab = (WebTab)InnerList[index + 1];
_tabStrip.SetSelectedTabInternal(nextTab);
}
}
}
/// <summary> Loads the selected tabs from the window state or the query string. </summary>
private void LoadSelection()
{
string[] selectedTabIDs = GetSelectionFromWindowState();
if (selectedTabIDs.Length == 0)
{
selectedTabIDs = GetSelectionFromQueryString();
}
if (selectedTabIDs.Length > 0)
{
string selectedMainMenuItemID = selectedTabIDs[0];
WebTab selectedMainMenuItem = _mainMenuTabStrip.Tabs.Find(selectedMainMenuItemID);
if (selectedMainMenuItem.IsVisible)
{
selectedMainMenuItem.IsSelected = true;
}
}
RefreshSubMenuTabStrip();
if (selectedTabIDs.Length > 1)
{
string selectedSubMenuItemID = selectedTabIDs[1];
WebTab selectedSubMenuItem = _subMenuTabStrip.Tabs.Find(selectedSubMenuItemID);
if (selectedSubMenuItem.IsVisible)
{
selectedSubMenuItem.IsSelected = true;
}
}
}
protected virtual object SaveControlState()
{
ArrayList tabsState = new ArrayList();
for (int i = 0; i < InnerList.Count; i++)
{
WebTab tab = (WebTab)InnerList[i];
object tabStateValue = ((IControlStateManager)tab).SaveControlState();
if (tabStateValue != null)
{
Pair pair = new Pair();
pair.First = tab.ItemID;
pair.Second = tabStateValue;
tabsState.Add(pair);
}
}
if (tabsState.Count == 0)
{
return(null);
}
else
{
return(tabsState.ToArray(typeof(Pair)));
}
}
protected override void OnRemoveComplete(int index, object value)
{
WebTab tab = ArgumentUtility.CheckNotNullAndType <WebTab> ("value", value);
base.OnRemoveComplete(index, value);
tab.SetTabStrip(null);
if (_tabStrip != null && tab.IsSelected)
{
bool wasLastTab = index == InnerList.Count;
if (wasLastTab)
{
if (InnerList.Count > 1)
{
WebTab lastTab = (WebTab)InnerList[index - 1];
_tabStrip.SetSelectedTabInternal(lastTab);
}
else
{
_tabStrip.SetSelectedTabInternal(null);
}
}
else
{
WebTab nextTab = (WebTab)InnerList[index];
_tabStrip.SetSelectedTabInternal(nextTab);
}
}
}
protected override void OnInsertComplete(int index, object value)
{
WebTab tab = ArgumentUtility.CheckNotNullAndType <WebTab> ("value", value);
base.OnInsertComplete(index, value);
tab.SetTabStrip(_tabStrip);
InitalizeSelectedTab();
}
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;
}
private void HandleClickEvent(string eventArgument)
{
ArgumentUtility.CheckNotNullOrEmpty("eventArgument", eventArgument);
WebTab tab = Tabs.Find(eventArgument);
if (tab != null)
{
OnClick(tab);
}
}
internal void DeselectTabInternal(WebTab tab)
{
ArgumentUtility.CheckNotNull("tab", tab);
if (tab.TabStrip != null && tab.TabStrip != _tabStrip)
{
throw new ArgumentException("The tab is not part of this collection's Tabstrip", "tab");
}
DeselectTab(tab, IndexOf(tab));
}
protected override void ValidateNewValue(object value)
{
WebTab tab = ArgumentUtility.CheckNotNullAndType <WebTab> ("value", value);
EnsureDesignModeTabInitialized(tab);
if (string.IsNullOrEmpty(tab.ItemID))
{
throw new ArgumentException("The tab does not have an 'ItemID'. It can therfor not be inserted into the collection.", "value");
}
base.ValidateNewValue(value);
}
private void SetSelectedTab(string itemID)
{
ArgumentUtility.CheckNotNullOrEmpty("itemID", itemID);
if (_selectedTab == null || _selectedTab.ItemID != itemID)
{
WebTab tab = Tabs.Find(itemID);
if (tab != _selectedTab)
{
SetSelectedTabInternal(tab);
}
}
}
protected virtual void OnClick(WebTab tab)
{
ArgumentUtility.CheckNotNull("tab", tab);
tab.OnClick();
WebTabClickEventHandler handler = (WebTabClickEventHandler)Events[s_clickEvent];
if (handler != null)
{
WebTabClickEventArgs e = new WebTabClickEventArgs(tab);
handler(this, e);
}
}
protected override void OnSetComplete(int index, object oldValue, object newValue)
{
WebTab oldTab = ArgumentUtility.CheckNotNullAndType <WebTab> ("oldValue", oldValue);
WebTab newTab = ArgumentUtility.CheckNotNullAndType <WebTab> ("newValue", newValue);
base.OnSetComplete(index, oldValue, newValue);
newTab.SetTabStrip(_tabStrip);
oldTab.SetTabStrip(null);
DeselectTab(oldTab, index);
}
protected override void OnClear()
{
base.OnClear();
for (int i = 0; i < InnerList.Count; i++)
{
WebTab tab = (WebTab)InnerList[i];
tab.SetTabStrip(null);
}
if (_tabStrip != null)
{
_tabStrip.SetSelectedTabInternal(null);
}
}
private void InitalizeSelectedTab()
{
if (_tabStrip != null &&
(_tabStrip.Page == null || !_tabStrip.Page.IsPostBack) &&
_tabStrip.SelectedTab == null)
{
for (int i = 0; i < InnerList.Count; i++)
{
WebTab tab = (WebTab)InnerList[i];
if (tab.IsVisible && !tab.IsDisabled)
{
_tabStrip.SetSelectedTabInternal(tab);
break;
}
}
}
}
protected virtual void LoadControlState(object state)
{
if (state == null)
{
return;
}
Pair[] tabsState = (Pair[])state;
for (int i = 0; i < tabsState.Length; i++)
{
Pair pair = tabsState[i];
string itemID = (string)pair.First;
WebTab tab = Find(itemID);
if (tab != null)
{
((IControlStateManager)tab).LoadControlState(pair.Second);
}
}
}
/// <summary> Sets the selected tab. </summary>
internal void SetSelectedTabInternal(WebTab tab)
{
if (!_isRestoringTabs)
{
EnsureTabsRestored();
}
if (tab != null && tab.TabStrip != this)
{
throw new InvalidOperationException("Only tabs that are part of this tab strip can be selected.");
}
if (_selectedTab != tab)
{
if ((_selectedTab != null) && _selectedTab.IsSelected)
{
_selectedTab.SetSelected(false);
}
_selectedTab = tab;
if ((_selectedTab != null) && !_selectedTab.IsSelected)
{
_selectedTab.SetSelected(true);
}
if (_selectedTab == null)
{
_selectedItemID = null;
}
else
{
_selectedItemID = _selectedTab.ItemID;
}
if (_selectedTab != null)
{
_selectedTab.OnSelectionChangedInternal();
}
}
}
private void EnsureDesignModeTabInitialized(WebTab tab)
{
ArgumentUtility.CheckNotNull("tab", tab);
if (!tab.HasItemID() &&
(_tabStrip != null && ControlHelper.IsDesignMode(_tabStrip) ||
OwnerControl != null && ControlHelper.IsDesignMode(OwnerControl)))
{
int index = InnerList.Count;
do
{
index++;
string itemID = "Tab" + index;
if (Find(itemID) == null)
{
tab.ItemID = itemID;
if (string.IsNullOrEmpty(tab.Text))
{
tab.Text = "Tab " + index;
}
break;
}
} while (true);
}
}
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);
}
}
/// <summary> Initializes an instance. </summary>
public WebTabClickEventArgs(WebTab tab)
{
ArgumentUtility.CheckNotNull("tab", tab);
_tab = tab;
}