public TabStrip(Excel p_excel)
{
DefaultStyleKey = typeof(TabStrip);
Excel = p_excel;
TabsPresenter = new TabsPresenter(this);
LoadTabs();
}
public void SetStartSheet(int startSheetIndex)
{
if ((TabsPresenter.Children.Count != 0) && (TabsPresenter.Children.Count > startSheetIndex))
{
TabsPresenter.SetStartSheet(startSheetIndex);
}
}
public void ActivePreviousTab()
{
if (_activeTab != null)
{
int preVisibleIndex = TabsPresenter.GetPreVisibleIndex(TabsPresenter.Children.IndexOf(_activeTab));
if (preVisibleIndex != -1)
{
ProcessNavigation(preVisibleIndex);
}
}
}
public void ActiveNextTab()
{
if (_activeTab != null)
{
int nextVisibleIndex = TabsPresenter.GetNextVisibleIndex(TabsPresenter.Children.IndexOf(_activeTab));
if (nextVisibleIndex != -1)
{
ProcessNavigation(nextVisibleIndex);
}
}
}
public void NewTab(int sheetIndex)
{
StopTabEditing(false);
SheetTab tab = new SheetTab(this)
{
SheetIndex = sheetIndex
};
int count = TabsPresenter.Children.Count;
if (Excel.TabStripInsertTab && (TabsPresenter.Children.Count > 0))
{
count = TabsPresenter.Children.Count - 1;
}
TabsPresenter.Children.Insert(count, tab);
TabsPresenter.ReCalculateStartIndex(0, TabsPresenter.Children.Count - 1);
}
public void ProcessTap(Point point)
{
SheetTab touchHitSheetTab = GetHitSheetTab(point);
if (touchHitSheetTab == null)
{
return;
}
TabsPresenter tabsPresenter = TabsPresenter;
if (touchHitSheetTab == _newTab)
{
if (!Workbook.Protect)
{
OnNewTabNeeded(EventArgs.Empty);
if (tabsPresenter.Children.Count > 1)
{
ActiveSheet(((SheetTab)tabsPresenter.Children[tabsPresenter.Children.Count - 2]).SheetIndex, true);
}
}
}
else
{
int index = TabsPresenter.Children.IndexOf(touchHitSheetTab);
if (index == (TabsPresenter.StartIndex - 1))
{
TabsPresenter.NavigateToPrevious();
}
else if (TabsPresenter.ReCalculateStartIndex(TabsPresenter.StartIndex, index))
{
TabsPresenter.InvalidateMeasure();
TabsPresenter.InvalidateArrange();
}
if (touchHitSheetTab != _activeTab)
{
ActiveSheet(touchHitSheetTab.SheetIndex, true);
}
}
Excel.RaiseSheetTabClick(touchHitSheetTab.SheetIndex);
}
void ProcessNavigation(int nextIndex)
{
SheetTab tab = TabsPresenter.Children[nextIndex] as SheetTab;
if (((tab != null) && (tab.SheetIndex != -1)) && (tab != null))
{
TabsPresenter tabsPresenter = TabsPresenter;
if (tab == _newTab)
{
if (!Workbook.Protect)
{
OnNewTabNeeded(EventArgs.Empty);
if (tabsPresenter.Children.Count > 1)
{
ActiveSheet(((SheetTab)tabsPresenter.Children[tabsPresenter.Children.Count - 2]).SheetIndex, true);
}
}
}
else
{
int index = tabsPresenter.Children.IndexOf(tab);
if (index == (tabsPresenter.StartIndex - 1))
{
tabsPresenter.NavigateToPrevious();
}
else if (tabsPresenter.ReCalculateStartIndex(tabsPresenter.StartIndex, index))
{
tabsPresenter.InvalidateMeasure();
tabsPresenter.InvalidateArrange();
}
if (tab != _activeTab)
{
ActiveSheet(tab.SheetIndex, true);
}
}
Excel.RaiseSheetTabClick(tab.SheetIndex);
}
}
public void ProcessMouseClickSheetTab(PointerRoutedEventArgs args)
{
SheetTab hitSheetTab = GetHitSheetTab(args.GetCurrentPoint(null).Position);
if (hitSheetTab != null)
{
TabsPresenter tabsPresenter = TabsPresenter;
if (hitSheetTab == _newTab)
{
if (!Workbook.Protect)
{
OnNewTabNeeded(EventArgs.Empty);
if (tabsPresenter.Children.Count > 1)
{
ActiveSheet(((SheetTab)tabsPresenter.Children[tabsPresenter.Children.Count - 2]).SheetIndex, true);
}
}
}
else
{
int index = TabsPresenter.Children.IndexOf(hitSheetTab);
if (index == (TabsPresenter.StartIndex - 1))
{
TabsPresenter.NavigateToPrevious();
}
else if (TabsPresenter.ReCalculateStartIndex(TabsPresenter.StartIndex, index))
{
TabsPresenter.InvalidateMeasure();
TabsPresenter.InvalidateArrange();
}
if (hitSheetTab != _activeTab)
{
ActiveSheet(hitSheetTab.SheetIndex, true);
}
}
Excel.RaiseSheetTabClick(hitSheetTab.SheetIndex);
}
}
public void UpdateInsertNewTab()
{
if (Excel.TabStripInsertTab)
{
if (_newTab == null)
{
_newTab = new SheetTab(this);
}
if (!TabsPresenter.Children.Contains(_newTab))
{
TabsPresenter.Children.Add(_newTab);
}
if (IsLoaded)
{
TabsPresenter.ReCalculateStartIndex(0, TabsPresenter.Children.Count - 1);
}
}
else if (_newTab != null)
{
TabsPresenter.Children.Remove(_newTab);
_newTab = null;
}
}
public int GetStartIndexToBringTabIntoView(int tabIndex)
{
return(TabsPresenter.GetStartIndexToBringTabIntoView(tabIndex));
}
