void TabPage_TextChanged(object sender, EventArgs e)
{
if (sender is Control)
{
TabItem ti = TabBar.GetItemByTag(sender);
if (ti != null)
{
ti.Text = ((Control)sender).Text;
}
}
}
public MyTabControl()
{
TabBar = new TabBar();
TabBar.SelectedItemChanged += TabBar_SelectedItemChanged;
TabBar.Font = SystemFonts.MessageBoxFont;
Controls.Add(TabBar);
//ControlContainer = new Panel();
//Controls.Add(ControlContainer);
TabPages = new XList <Control>();
TabPages.ItemAdded += new XListEventHandler <Control>(TabPages_ItemAdded);
TabPages.ItemRemoved += new XListEventHandler <Control>(TabPages_ItemRemoved);
}
void Initialize(TabBar tabBar, TabItem item)
{
Selected = tabBar.SelectedItem == item;
Hover = tabBar.HoverItem == item;
Enabled = item.Enabled;
Bar = tabBar;
Item = item;
Padding = tabBar.ItemPadding;
IconSize = tabBar.IconSize;
HalfDisplay = tabBar.IsHalfDisplay(item);
Font = tabBar.Font;
if (!Enabled)
{
Status = UIControlStatus.Disabled;
}
else if (Selected)
{
if (tabBar.Focused)
{
Status = UIControlStatus.Focused;
}
else
{
Status = UIControlStatus.Selected;
}
}
else if (Hover)
{
Status = UIControlStatus.Hover;
}
//
CloseButtonStatus = UIControlStatus.Normal;
if (item.CanClose)
{
if (tabBar.DownHitResult.Item == item && tabBar.DownHitResult.InCloseButton)
{
CloseButtonStatus = UIControlStatus.Selected;
}
else if (tabBar.HoverHitResult.Item == item && tabBar.HoverHitResult.InCloseButton)
{
CloseButtonStatus = UIControlStatus.Hover;
}
}
}
void TabPages_ItemRemoved(object sender, XListEventArgs <Control> e)
{
if (e.Item != null)
{
TabItem item = TabBar.GetItemByTag(e.Item);
if (item != null)
{
TabBar.Items.Remove(item);
}
//
if (Controls.Contains(e.Item))
{
Controls.Remove(e.Item);
}
SelectNextPage(e.Index);
}
}
public TabsBox()
{
TabBar = new TabBar();
TabBar.Dock = DockStyle.Top;
TabBar.ShowDropDownButton = false;
TabBar.ItemMinimumSize = 50;
TabBar.SelectedItemChanged += new EventHandler(TabBar_SelectedItemChanged);
TabBar.ItemClose += new TabItemEventHandler(TabBar_ItemClose);
TabBar.ItemClosing += new TabItemCancelEventHandler(TabBar_ItemClosing);
Controls.Add(TabBar);
ControlContainer = new Panel();
ControlContainer.Layout += new LayoutEventHandler(ControlContainer_Layout);
Controls.Add(ControlContainer);
TabPages = new XList <Page>();
TabPages.ItemAdded += new XListEventHandler <Page>(TabPages_ItemAdded);
TabPages.ItemRemoved += new XListEventHandler <Page>(TabPages_ItemRemoved);
}
public void ActivePage(Control page)
{
if (page == null)
{
return;
}
TabBar.SelectByTag(page);
SelectedIndex = ControlContainer.Controls.IndexOf(page);
if (page.Bounds != ControlContainer.ClientRectangle)
{
page.Bounds = ControlContainer.ClientRectangle;
}
//page.Dock = DockStyle.Fill;
foreach (Control control in ControlContainer.Controls)
{
control.Visible = control == page;
}
}
public void ActivePage(Control page)
{
if (page == null)
{
return;
}
if (TabBar.SelectByTag(page))
{
//HidePages();
// 注意一下操作的顺序, 可以减少切换闪烁
if (!Controls.Contains(page))
{
page.Dock = DockStyle.Fill;
page.Bounds = DisplayRectangle;
Controls.Add(page);
}
foreach (Control ctrl in Controls)
{
if (ctrl != page && ctrl != TabBar)
{
Controls.Remove(ctrl);
}
}
if (this.ContainsFocus && !page.ContainsFocus && page.CanFocus)
{
page.Focus();
}
SelectedIndex = TabPages.IndexOf(page);
}
}
public TabItemCancelEventArgs(TabBar bar, TabItem item)
{
Bar = bar;
Item = item;
}
public TabBarRenderer(TabBar bar)
{
Bar = bar;
}
public TaskBarRenderer(TabBar bar)
: base(bar)
{
}
public TabItemPaintEventArgs(Graphics graphics, TabBar tabBar, TabItem item)
: base(graphics, Rectangle.Empty)
{
Initialize(tabBar, item);
}
public TabItemPaintEventArgs(PaintEventArgs e, TabBar tabBar, TabItem item)
: base(e.Graphics, e.ClipRectangle)
{
Initialize(tabBar, item);
}
public NormalTabBarRenderer(TabBar bar)
: base(bar)
{
}
public ColorTabBarRenderer(TabBar bar)
: base(bar)
{
}