internal ContentWindow(TabberItem item, Rect rect, bool firstDrag = false)
{
inDrag = false;
iniRect = rect;
this.firstDrag = firstDrag;
(item.Parent as TabberControl).Items.Remove(item);
tabberControl = new TabberControl();
tabberControl.Items.Add(item);
Content = tabberControl;
if (firstDrag)
{
WindowStyle = WindowStyle.None;
AllowsTransparency = true;
background = Background;
Background = Brushes.Transparent;
Top = rect.Y;
}
else
{
Top = rect.Y - SystemParameters.WindowCaptionHeight;
Top = Top < 0 ? 0 : Top;
}
Left = rect.X;
Width = rect.Width;
Height = rect.Height;
Check += ContentWindow_Check;
Closed += ContentWindow_Closed;
LocationChanged += ContentWindow_LocationChanged;
}
public void Close()
{
if (CanClosing())
{
TabberControl tabberControl = (Parent as TabberControl);
tabberControl.Items.Remove(this);
if (tabberControl.Items.Count < 1)
{
Window.GetWindow(this).Close();
}
}
}
private void TabberItem_PreviewMouseMove(object sender, System.Windows.Input.MouseEventArgs e)
{
if (e.LeftButton == System.Windows.Input.MouseButtonState.Pressed && dragTabAndWindow)
{
Window currentWindow = Window.GetWindow(this);
TabberControl tabberControl = (TabberControl)Parent;
if (!((currentWindow as ContentWindow) == null &&
tabberControl.Items.Count < 2 &&
tabberControl.Pinned))
{
Point innerMousePosition = Mouse.GetPosition(this);
if (moveEnter)
{
if (tabberControl.TabStripPlacement == Dock.Top || tabberControl.TabStripPlacement == Dock.Bottom)
{
#region Drag Section
if (((innerMousePosition.Y <= 0 || innerMousePosition.Y >= ActualHeight) &&
(innerMousePosition.X > 0 && innerMousePosition.X < ActualWidth)) ||
(tabberControl.Items[0].Equals(this) && innerMousePosition.X <= 0) ||
(tabberControl.Items[tabberControl.Items.Count - 1].Equals(this) && innerMousePosition.X >= ActualWidth))
{
if (IsMouseCaptured)
{
Mouse.Capture(null);
}
DragPressed?.Invoke(this, new EventArgs());
Point dragPosition = this.PointToScreen(innerMousePosition);
Pin = false;
window = new ContentWindow(
this,
new Rect(
dragPosition.X + (-ActualWidth / 2),
dragPosition.Y + (-ActualHeight / 2),
currentWindow.ActualWidth,
currentWindow.ActualHeight),
true);
dragTabAndWindow = false;
inDragMove = true;
window.DragMove();
DragReleased?.Invoke(this, new EventArgs());
}
#endregion
#region Swap Section
else if (!tabberControl.Items[0].Equals(this) && innerMousePosition.X <= 0)
{
int index = tabberControl.Items.IndexOf(this);
TabberItem swapItem = (TabberItem)tabberControl.Items[index - 1];
if (swapItem.Pin == Pin)
{
tabberControl.Items.Remove(swapItem);
tabberControl.Items.Insert(index, swapItem);
}
}
else if (!tabberControl.Items[tabberControl.Items.Count - 1].Equals(this) && innerMousePosition.X >= ActualWidth)
{
int index = tabberControl.Items.IndexOf(this);
TabberItem swapItem = (TabberItem)tabberControl.Items[index + 1];
if (swapItem.Pin == Pin)
{
tabberControl.Items.Remove(swapItem);
tabberControl.Items.Insert(index, swapItem);
}
}
#endregion
}
else
{
#region Drag Section
if (((innerMousePosition.X <= 0 || innerMousePosition.X >= ActualWidth) &&
(innerMousePosition.Y > 0 && innerMousePosition.Y < ActualHeight)) ||
(tabberControl.Items[0].Equals(this) && innerMousePosition.Y <= 0) ||
(tabberControl.Items[tabberControl.Items.Count - 1].Equals(this) && innerMousePosition.Y >= ActualHeight))
{
if (IsMouseCaptured)
{
Mouse.Capture(null);
}
DragPressed?.Invoke(this, new EventArgs());
Point dragPosition = this.PointToScreen(innerMousePosition);
Pin = false;
window = new ContentWindow(
this,
new Rect(
dragPosition.X + (-ActualWidth / 2),
dragPosition.Y + (-ActualHeight / 2),
currentWindow.ActualWidth,
currentWindow.ActualHeight),
true);
dragTabAndWindow = false;
inDragMove = true;
window.DragMove();
DragReleased?.Invoke(this, new EventArgs());
}
#endregion
#region Swap Section
else if (!tabberControl.Items[0].Equals(this) && innerMousePosition.Y <= 0)
{
int index = tabberControl.Items.IndexOf(this);
TabberItem swapItem = (TabberItem)tabberControl.Items[index - 1];
if (swapItem.Pin == Pin)
{
tabberControl.Items.Remove(swapItem);
tabberControl.Items.Insert(index, swapItem);
}
}
else if (!tabberControl.Items[tabberControl.Items.Count - 1].Equals(this) && innerMousePosition.Y >= ActualHeight)
{
int index = tabberControl.Items.IndexOf(this);
TabberItem swapItem = (TabberItem)tabberControl.Items[index + 1];
if (swapItem.Pin == Pin)
{
tabberControl.Items.Remove(swapItem);
tabberControl.Items.Insert(index, swapItem);
}
}
#endregion
}
}
moveEnter = TabItemLocalRect().Contains(Mouse.GetPosition(this));
}
}
else if (e.LeftButton == MouseButtonState.Released)
{
if (IsMouseCaptured && !inDragMove)
{
Mouse.Capture(null);
}
}
}
