public override void AddTabPane(Control control, object caption, object icon, Action closeAction)
{
ExtendedTabItem item = new ExtendedTabItem();
item.Icon = icon;
item.Header = caption;
control.Height = Double.NaN;
control.Width = Double.NaN;
item.Content = control;
tabPane.Items.Add(item);
if (closeAction != null)
tabPane.TabItemClosed += (sender, args) =>
{
if (item == args.TabItem)
closeAction.Invoke();
};
item.Focus();
}
private static void SetDimensions(ExtendedTabItem tabItem)
{
if (tabItem.Dimension == null)
{
// store the original size specifications of the tab
tabItem.Dimension =
new Dimension
{
Height = tabItem.Height,
Width = tabItem.Width,
MaxHeight = tabItem.MaxHeight,
MaxWidth = tabItem.MaxWidth,
MinHeight = tabItem.MinHeight,
MinWidth = tabItem.MinWidth
};
}
else
{
// restore the original values for the tab
tabItem.BeginInit();
tabItem.Height = tabItem.Dimension.Height;
tabItem.Width = tabItem.Dimension.Width;
tabItem.MaxHeight = tabItem.Dimension.MaxHeight;
tabItem.MaxWidth = tabItem.Dimension.MaxWidth;
tabItem.MinHeight = tabItem.Dimension.MinHeight;
tabItem.MinWidth = tabItem.Dimension.MinWidth;
tabItem.EndInit();
}
}
public TabItemEventArgs(ExtendedTabItem item)
{
TabItem = item;
}
/// <summary>
/// Called by a child Header that wants to remove itself by clicking on the close button
/// </summary>
/// <param name="tabItem"></param>
public void RemoveTabItem(ExtendedTabItem tabItem)
{
if (IsFixedSize)
throw new InvalidOperationException("ItemsSource is Fixed Size");
// gives an opertunity to cancel the removal of the tabitem
var c = new TabItemCancelEventArgs(tabItem);
if (TabItemClosing != null)
TabItemClosing(tabItem, c);
if (c.Cancel)
return;
if (ItemsSource != null)
{
var list = ItemsSource as IList;
object listItem = ItemContainerGenerator.ItemFromContainer(tabItem);
if (listItem != null && list != null)
list.Remove(listItem);
}
else
this.Items.Remove(tabItem);
if (TabItemClosed != null)
TabItemClosed(this, new TabItemEventArgs(tabItem));
}
public void RemoveAllTabsBut(ExtendedTabItem thiz)
{
ArrayList list = new ArrayList(Items);
foreach (ExtendedTabItem item in list)
{
if(item!=thiz)
RemoveTabItem(item);
}
}
/// <summary>
/// Add a new Header
/// </summary>
public void AddTabItem()
{
if (IsFixedSize)
throw new InvalidOperationException("ItemsSource is Fixed Size");
int i = this.SelectedIndex;
// give an opertunity to cancel the adding of the tabitem
CancelEventArgs c = new CancelEventArgs();
if (TabItemAdding != null)
TabItemAdding(this, c);
if (c.Cancel)
return;
ExtendedTabItem tabItem;
// Using ItemsSource property
if (ItemsSource != null)
{
IList list = (IList)ItemsSource;
NewTabItemEventArgs n = new NewTabItemEventArgs();
if (NewTabItem == null)
throw new InvalidOperationException("You must implement the NewTabItem event to supply the item to be added to the tab control.");
NewTabItem(this, n);
if (n.Content == null)
return;
if (i == -1 || i == list.Count - 1 || AddNewTabToEnd)
list.Add(n.Content);
else
list.Insert(++i, n.Content);
tabItem = (ExtendedTabItem)this.ItemContainerGenerator.ContainerFromItem(n.Content);
}
else
{
// Using Items Property
tabItem = new ExtendedTabItem { Header = "New Tab" };
if (i == -1 || i == this.Items.Count - 1 || AddNewTabToEnd)
this.Items.Add(tabItem);
else
this.Items.Insert(++i, tabItem);
}
if (TabItemAdded != null)
TabItemAdded(this, new TabItemEventArgs(tabItem));
}
