public void MoveTabsTo(DockedTabControl target)
{
var children = TabStrip.Children.ToArray(); // copy because collection will be modified
foreach (ControlBase child in children)
{
TabButton button = child as TabButton;
if (button == null)
{
continue;
}
target.AddPage(button);
}
Invalidate();
}
/// <summary>
/// Adds a new page/tab.
/// </summary>
/// <param name="label">Tab label.</param>
/// <param name="page">Page contents.</param>
/// <returns>Newly created control.</returns>
public TabPage AddPage(string label, ControlBase page = null)
{
TabButton button = new TabButton(m_TabStrip);
var tabpage = new TabPage(this, button);
tabpage.Name = label;
button.SetText(label);
button.Page = tabpage;
button.IsTabable = false;
if (page != null)
{
tabpage.AddChild(page);
}
AddPage(button);
return(tabpage);
}
/// <summary>
/// Handler for tab removing.
/// </summary>
/// <param name="button"></param>
internal virtual void OnLoseTab(TabButton button)
{
if (m_CurrentButton == button)
{
m_CurrentButton = null;
}
//TODO: Select a tab if any exist.
if (TabRemoved != null)
{
TabRemoved.Invoke(this, EventArgs.Empty);
}
Invalidate();
}
/// <summary>
/// Adds a new page/tab.
/// </summary>
/// <param name="label">Tab label.</param>
/// <param name="page">Page contents.</param>
/// <returns>Newly created control.</returns>
public TabButton AddPage(string label, ControlBase page = null)
{
if (null == page)
{
page = new ControlBase(this);
}
else
{
page.Parent = this;
}
TabButton button = new TabButton(m_TabStrip);
button.SetText(label);
button.Page = page;
button.IsTabable = false;
AddPage(button);
return(button);
}
/// <summary>
/// Handler for tab selection.
/// </summary>
/// <param name="control">Event source (TabButton).</param>
internal virtual void OnTabPressed(ControlBase control, EventArgs args)
{
TabButton button = control as TabButton;
if (null == button)
{
return;
}
ControlBase page = button.Page;
if (null == page)
{
return;
}
if (m_CurrentButton == button)
{
return;
}
if (null != m_CurrentButton)
{
ControlBase page2 = m_CurrentButton.Page;
if (page2 != null)
{
page2.IsHidden = true;
}
m_CurrentButton.Redraw();
m_CurrentButton = null;
}
m_CurrentButton = button;
page.IsHidden = false;
m_TabStrip.Invalidate();
Invalidate();
}
public void RemoveTab(TabPage page)
{
var idx = -1;
if (CurrentButton == page.TabButton)
{
idx = TabStrip.Children.IndexOf(page.TabButton);
if (idx == TabStrip.Children.Count - 1)
{
idx--;
}
m_CurrentButton = null;
}
TabStrip.RemoveChild(page.TabButton, true);
RemoveChild(page, true);
if (idx != -1)
{
GetPage(idx).FocusTab();
}
OnLoseTab(page.TabButton);
Invalidate();
}
public void UpdateFromTab(TabButton button)
{
Text = button.Text;
SizeToChildren();
}
public void UpdateFromTab(TabButton button)
{
Text = button.Text;
SizeToContents();
}
private void UnsubscribeTabEvent(TabButton button)
{
button.Clicked -= OnTabPressed;
}
/// <summary>
/// Lays out the control's interior according to alignment, padding, dock etc.
/// </summary>
/// <param name="skin">Skin to use.</param>
protected override void Layout(Skin.SkinBase skin)
{
Point largestTab = new Point(5, 5);
int num = 0;
foreach (var child in Children)
{
TabButton button = child as TabButton;
if (null == button)
{
continue;
}
button.SizeToContents();
Margin m = new Margin();
int notFirst = num > 0 ? -1 : 0;
if (Dock == Pos.Top)
{
m.Left = notFirst;
button.Dock = Pos.Left;
}
if (Dock == Pos.Left)
{
m.Top = notFirst;
button.Dock = Pos.Top;
}
if (Dock == Pos.Right)
{
m.Top = notFirst;
button.Dock = Pos.Top;
}
if (Dock == Pos.Bottom)
{
m.Left = notFirst;
button.Dock = Pos.Left;
}
largestTab.X = Math.Max(largestTab.X, button.Width);
largestTab.Y = Math.Max(largestTab.Y, button.Height);
button.Margin = m;
num++;
}
if (Dock == Pos.Top || Dock == Pos.Bottom)
{
SetSize(Width, largestTab.Y);
}
if (Dock == Pos.Left || Dock == Pos.Right)
{
SetSize(largestTab.X, Height);
}
base.Layout(skin);
}
public void FocusTab()
{
TabButton.Press();
}
public TabPage(ControlBase parent, TabButton button) : base(parent)
{
m_ParentButton = button;
}