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;
}
internal void SortPins()
{
if (firstSort)
{
return;
}
TabberItem selectedItem = (TabberItem)SelectedItem;
for (int i = 1; i <= Items.Count; i++)
{
for (int j = 0; j < Items.Count - i; j++)
{
if (!(Items[j] as TabberItem).Pin &&
(Items[j + 1] as TabberItem).Pin)
{
object nextTemp = Items[j + 1];
Items.Remove(nextTemp);
Items.Insert(j, nextTemp);
}
}
}
if (selectedItem == null && Items.Count > 0)
{
(Items[0] as TabberItem).IsSelected = true;
}
else if (Items.Count > 0)
{
selectedItem.IsSelected = true;
}
}
internal void Over(ContentWindow window)
{
if (object.ReferenceEquals(window, currentWindow))
{
return;
}
if (mainTabberIsEmpty)
{
if (shadowItem != null)
{
ZOrders.OrderFound();
int dropItemIndex = Items.IndexOf(shadowItem);
Items.Remove(shadowItem);
TabberItem replacedItem = window.ReplaceItem();
InsertTab(dropItemIndex, replacedItem);
currentWindow.Activate();
}
}
else
{
if (shadowItem != null)
{
ZOrders.OrderFound();
int dropItemIndex = Items.IndexOf(shadowItem);
Items.Remove(shadowItem);
TabberItem replacedItem = window.ReplaceItem();
InsertTab(dropItemIndex, replacedItem);
currentWindow.Activate();
}
}
}
internal Point GetDragPosition()
{
TabberItem item = GetDragItem();
Point locationFromScreen = item.PointToScreen(
new Point(item.ActualWidth / 2, item.ActualHeight / 2));
return(locationFromScreen);
}
private void FakeTab(Point drahPosition)
{
TabItem replaceItem = null;
foreach (TabItem tab in Items)
{
Rect tabRect = TabItemRect(tab);
if (tabRect.Contains(drahPosition))
{
replaceItem = tab;
break;
}
}
if (replaceItem != null)
{
TabberItem tabberItem = replaceItem as TabberItem;
if (tabberItem != null && !tabberItem.Pin && (oldReplaceItem == null || !oldReplaceItem.Equals(replaceItem)))
{
oldReplaceItem = replaceItem;
int shadowIndex = shadowItem != null?Items.IndexOf(shadowItem) : -1;
if (shadowItem == null)
{
shadowItem = new ShadowTabberItem();
shadowItem.Header = new string(' ', 24);
}
int replaceItemIndex = Items.IndexOf(replaceItem);
if (shadowIndex > -1 && shadowIndex < replaceItemIndex)
{
Items.Remove(replaceItem);
Items.Insert(shadowIndex, replaceItem);
}
else
{
Items.Remove(shadowItem);
Items.Insert(replaceItemIndex, shadowItem);
}
shadowItem.IsSelected = true;
}
}
else if ((Items[Items.Count - 1] as ShadowTabberItem) == null)
{
if (shadowItem == null)
{
shadowItem = new ShadowTabberItem();
shadowItem.Header = new string(' ', 24);
Items.Add(shadowItem);
}
else
{
Items.Remove(shadowItem);
Items.Add(shadowItem);
}
oldReplaceItem = null;
shadowItem.IsSelected = true;
}
}
internal TabberItem ReplaceItem()
{
TabberItem item = (TabberItem)tabberControl.Items[0];
tabberControl.Items.Remove(item);
Hide();
Close();
return(item);
}
private void InsertTab(int index, TabberItem item)
{
TabberItem newItem = new TabberItem();
newItem.DataContext = item.DataContext;
newItem.Header = item.Header;
newItem.Content = item.Content;
Items.Insert(index, newItem);
newItem.IsSelected = true;
}
private void DragEnd()
{
foreach (TabberControl tabberControl in TabberControl.ZOrders)
{
tabberControl.Over(this);
}
inDrag = false;
if (firstDrag)
{
if (tabberControl.Items.Count == 1)
{
TabberItem item = (TabberItem)tabberControl.Items[0];
ContentWindow newWindow = new ContentWindow(
item,
new Rect(Left, Top, ActualWidth, ActualHeight),
false);
Hide();
newWindow.Show();
newWindow.Activate();
Close();
}
}
firstDrag = false;
}
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);
}
}
}