TabItem CreateTab(TabData tabData)
{
int max =
tabControlMain.Items
.OfType <TabItem>( )
.Where(i => i != tabNew && i.Header is string)
.Select(i =>
{
var m = Regex.Match((string)i.Header, @"^Tab\s*(\d+)$");
if (m.Success)
{
return(int.Parse(m.Groups[1].Value, CultureInfo.InvariantCulture));
}
else
{
return(0);
}
})
.Concat(new[] { 0 })
.Max( );
var new_tab_item = new TabItem( );
//new_tab_item.Header = string.IsNullOrWhiteSpace( tab_data?.Name ) ? $"Tab {max + 1}" : tab_data.Name;
new_tab_item.Header = $"Tab {max + 1}";
new_tab_item.HeaderTemplate = (DataTemplate)tabControlMain.Resources["TabTemplate"];
var uc_main = new UCMain
{
Width = double.NaN,
Height = double.NaN
};
new_tab_item.Content = uc_main;
tabControlMain.Items.Insert(tabControlMain.Items.IndexOf(tabNew), new_tab_item);
if (tabData != null)
{
uc_main.ApplyTabData(tabData);
}
uc_main.Changed += UCMain_Changed;
tabControlMain.SelectedItem = new_tab_item; //?
return(new_tab_item);
}
void DuplicateTab( )
{
TabItem new_tab_item = null;
var tab_data = new TabData( );
UCMain uc_main = GetSingleModeControl( );
if (uc_main != null)
{
uc_main.ExportTabData(tab_data);
new_tab_item = NewTab(tab_data);
}
else
{
TabItem selected_tab_item = tabControlMain.IsVisible ? tabControlMain.SelectedItem as TabItem : null;
if (selected_tab_item != null && selected_tab_item.Content is UCMain)
{
uc_main = (UCMain)selected_tab_item.Content;
uc_main.ExportTabData(tab_data);
new_tab_item = NewTab(tab_data);
if (tabControlMain.Items.IndexOf(new_tab_item) != tabControlMain.Items.IndexOf(selected_tab_item) + 1)
{
tabControlMain.Items.Remove(new_tab_item);
int i = tabControlMain.Items.IndexOf(selected_tab_item);
tabControlMain.Items.Insert(i + 1, new_tab_item);
}
}
}
if (new_tab_item == null)
{
SystemSounds.Beep.Play( );
}
else
{
tabControlMain.SelectedItem = new_tab_item;
RenumberTabs( );
}
}
private void tabControlMain_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
if (!IsFullyLoaded)
{
return;
}
TabItem old_tab_item = e.RemovedItems?.AsQueryable( ).OfType <TabItem>( ).SingleOrDefault( );
UCMain old_uc_main = old_tab_item?.Content as UCMain;
TabItem new_tab_item = e.AddedItems?.AsQueryable( ).OfType <TabItem>( ).SingleOrDefault( );
UCMain new_uc_main = new_tab_item?.Content as UCMain;
if (old_uc_main != null &&
new_uc_main != null)
{
var old_metrics = old_uc_main.GetMetrics( );
new_uc_main.ApplyMetrics(old_metrics);
}
}
void CloseTab(TabItem tabItem)
{
var index = tabControlMain.Items.IndexOf(tabItem);
tabControlMain.SelectedItem = tabItem;
var r = MessageBox.Show(this, "Remove this tab?", "WARNING",
MessageBoxButton.OKCancel, MessageBoxImage.Exclamation,
MessageBoxResult.OK, MessageBoxOptions.None);
if (r != MessageBoxResult.OK)
{
return;
}
UCMain uc_main = (UCMain)tabItem.Content;
uc_main.Shutdown( );
tabControlMain.Items.Remove(tabItem);
if (tabControlMain.Items[index] == tabNew)
{
--index;
}
if (index < 0)
{
CreateTab(null);
index = 0;
}
tabControlMain.SelectedIndex = index;
RenumberTabs( );
TrySwitchToSingleMode( );
}
