/// <summary>
/// Closes all open <see cref="AutoHidePane"/>s except one.
/// </summary>
/// <param name="dockTabPane">
/// The content of the <see cref="AutoHidePane"/> that should stay open.
/// </param>
internal void CloseAutoHidePanesExcept(IDockTabPane dockTabPane)
{
foreach (var autoHideBar in _autoHideBars)
{
autoHideBar.CloseAutoHidePanesExcept(dockTabPane);
}
}
private void ShowAutoHidePane(IDockTabPane dockTabPane, IDockTabItem dockTabItem)
{
CloseAutoHidePanesExcept(dockTabPane);
foreach (var autoHideBar in _autoHideBars)
{
var autoHidePane = autoHideBar.ShowAutoHidePane(dockTabPane, dockTabItem, true);
if (autoHidePane != null)
{
break;
}
}
}
internal void CloseAutoHidePanesExcept(IDockTabPane dockTabPane)
{
for (int i = _autoHideOverlays.Count - 1; i >= 0; i--)
{
var autoHideOverlay = _autoHideOverlays[i];
var autoHidePane = (AutoHidePane)autoHideOverlay.Content;
if (autoHidePane.Content != dockTabPane)
{
CloseAutoHidePane(autoHidePane);
}
}
}
private AutoHidePane GetAutoHidePane(IDockTabPane dockTabPane)
{
foreach (var autoHideOverlay in _autoHideOverlays)
{
var autoHidePane = (AutoHidePane)autoHideOverlay.Content;
if (autoHidePane.Content == dockTabPane)
{
return(autoHidePane);
}
}
return(null);
}
public SerializationContext(IDockControl dockControl)
{
Debug.Assert(dockControl != null);
Debug.Assert(dockControl.DockStrategy != null);
DockControl = dockControl;
var dockStrategy = dockControl.DockStrategy;
DefaultFloatWindow = dockStrategy.CreateFloatWindow();
DefaultDockAnchorPane = dockStrategy.CreateDockAnchorPane();
DefaultDockSplitPane = dockStrategy.CreateDockSplitPane();
DefaultDockTabPane = dockStrategy.CreateDockTabPane();
}
/// <summary>
/// Replaces the items with invisible proxies.
/// </summary>
/// <param name="currentPane">
/// The <see cref="IDockTabPane"/> where the items are currently visible. Item proxies will
/// be added to this pane, but the original items will be kept.
/// </param>
private void ReplaceItemsWithProxies(IDockTabPane currentPane)
{
Debug.Assert(_dockStrategy != null);
ReplaceItemsWithProxies(_dockStrategy.DockControl.RootPane, _draggedItems, currentPane);
foreach (var floatWindow in _dockStrategy.DockControl.FloatWindows)
{
ReplaceItemsWithProxies(floatWindow.RootPane, _draggedItems, currentPane);
}
ReplaceItemsWithProxies(_dockStrategy.DockControl.AutoHideLeft, _draggedItems, currentPane);
ReplaceItemsWithProxies(_dockStrategy.DockControl.AutoHideRight, _draggedItems, currentPane);
ReplaceItemsWithProxies(_dockStrategy.DockControl.AutoHideTop, _draggedItems, currentPane);
ReplaceItemsWithProxies(_dockStrategy.DockControl.AutoHideBottom, _draggedItems, currentPane);
}
internal AutoHidePane ShowAutoHidePane(IDockTabPane dockTabPane, IDockTabItem dockTabItem, bool focus)
{
if (dockTabPane == null || !Items.Contains(dockTabPane))
{
return(null);
}
var dockControl = DockHelper.GetDockControl(this);
// Ensure that correct item is selected.
if (dockTabItem != null)
{
Debug.Assert(dockTabPane.Items.Contains(dockTabItem));
dockTabPane.SelectedItem = dockTabItem;
}
// Get or create AutoHidePane that shows the DockTabItem.
var autoHidePane = GetAutoHidePane(dockTabPane);
if (autoHidePane == null)
{
// Create a new AutoHidePane if necessary.
autoHidePane = new AutoHidePane
{
Content = dockTabPane,
Dock = Dock,
};
var autoHideOverlay = new AutoHideOverlay(dockControl, TargetArea)
{
Content = autoHidePane
};
autoHideOverlay.Show();
_autoHideOverlays.Add(autoHideOverlay);
}
// Slide-in AutoHidePane.
autoHidePane.Show();
if (focus)
{
dockControl?.DockStrategy?.Activate(dockTabPane);
}
return(autoHidePane);
}
private static void ReplaceItemsWithProxies(IDockPane dockPane, List<IDockTabItem> items, IDockTabPane currentPane)
{
Debug.Assert(dockPane != null);
Debug.Assert(items != null);
if (dockPane is IDockAnchorPane)
{
var dockAnchorPane = (IDockAnchorPane)dockPane;
if (dockAnchorPane.ChildPane != null)
ReplaceItemsWithProxies(dockAnchorPane.ChildPane, items, currentPane);
}
else if (dockPane is IDockSplitPane)
{
var dockSplitPane = (IDockSplitPane)dockPane;
ReplaceItemsWithProxies(dockSplitPane.ChildPanes, items, currentPane);
}
else if (dockPane is IDockTabPane)
{
var dockTabPane = (IDockTabPane)dockPane;
if (dockTabPane == currentPane)
{
// Special: If the IDockTabPane is the current pane, add the item proxies but
// keep the original items.
for (int i = 0; i < dockTabPane.Items.Count; i++)
{
if (items.IndexOf(dockTabPane.Items[i]) >= 0)
{
dockTabPane.Items.Insert(i + 1, new DockTabItemProxy(dockTabPane.Items[i]));
i++;
}
}
}
else
{
for (int i = 0; i < dockTabPane.Items.Count; i++)
{
if (items.IndexOf(dockTabPane.Items[i]) >= 0)
dockTabPane.Items[i] = new DockTabItemProxy(dockTabPane.Items[i]);
}
}
}
}
private static void ReplaceItemsWithProxies(IDockPane dockPane, List <IDockTabItem> items, IDockTabPane currentPane)
{
Debug.Assert(dockPane != null);
Debug.Assert(items != null);
if (dockPane is IDockAnchorPane)
{
var dockAnchorPane = (IDockAnchorPane)dockPane;
if (dockAnchorPane.ChildPane != null)
{
ReplaceItemsWithProxies(dockAnchorPane.ChildPane, items, currentPane);
}
}
else if (dockPane is IDockSplitPane)
{
var dockSplitPane = (IDockSplitPane)dockPane;
ReplaceItemsWithProxies(dockSplitPane.ChildPanes, items, currentPane);
}
else if (dockPane is IDockTabPane)
{
var dockTabPane = (IDockTabPane)dockPane;
if (dockTabPane == currentPane)
{
// Special: If the IDockTabPane is the current pane, add the item proxies but
// keep the original items.
for (int i = 0; i < dockTabPane.Items.Count; i++)
{
if (items.IndexOf(dockTabPane.Items[i]) >= 0)
{
dockTabPane.Items.Insert(i + 1, new DockTabItemProxy(dockTabPane.Items[i]));
i++;
}
}
}
else
{
for (int i = 0; i < dockTabPane.Items.Count; i++)
{
if (items.IndexOf(dockTabPane.Items[i]) >= 0)
{
dockTabPane.Items[i] = new DockTabItemProxy(dockTabPane.Items[i]);
}
}
}
}
}
internal void CloseAutoHidePanesExcept(IDockTabPane dockTabPane)
{
for (int i = _autoHideOverlays.Count - 1; i >= 0; i--)
{
var autoHideOverlay = _autoHideOverlays[i];
var autoHidePane = (AutoHidePane)autoHideOverlay.Content;
if (autoHidePane.Content != dockTabPane)
CloseAutoHidePane(autoHidePane);
}
}
internal AutoHidePane ShowAutoHidePane(IDockTabPane dockTabPane, IDockTabItem dockTabItem, bool focus)
{
if (dockTabPane == null || !Items.Contains(dockTabPane))
return null;
var dockControl = DockHelper.GetDockControl(this);
// Ensure that correct item is selected.
if (dockTabItem != null)
{
Debug.Assert(dockTabPane.Items.Contains(dockTabItem));
dockTabPane.SelectedItem = dockTabItem;
}
// Get or create AutoHidePane that shows the DockTabItem.
var autoHidePane = GetAutoHidePane(dockTabPane);
if (autoHidePane == null)
{
// Create a new AutoHidePane if necessary.
autoHidePane = new AutoHidePane
{
Content = dockTabPane,
Dock = Dock,
};
var autoHideOverlay = new AutoHideOverlay(dockControl, TargetArea)
{
Content = autoHidePane
};
autoHideOverlay.Show();
_autoHideOverlays.Add(autoHideOverlay);
}
// Slide-in AutoHidePane.
autoHidePane.Show();
if (focus)
dockControl?.DockStrategy?.Activate(dockTabPane);
return autoHidePane;
}
/// <summary>
/// Starts a drag operation.
/// </summary>
/// <param name="floatWindow">The <see cref="FloatWindow"/> to be dragged.</param>
/// <param name="dockTabPane">The <see cref="DockTabPane"/> to be dragged.</param>
/// <param name="dockTabItem">The <see cref="DockTabItem"/> to be dragged.</param>
/// <returns>
/// <see langword="true" /> if the drag operation has been started; otherwise,
/// <see langword="false" /> if the drag operation could not be started (e.g. because the
/// mouse could not be captured).
/// </returns>
private bool BeginDrag(FloatWindow floatWindow, DockTabPane dockTabPane, DockTabItem dockTabItem)
{
_dockStrategy = _dockControl.GetViewModel()?.DockStrategy;
if (_dockStrategy == null || _dockStrategy.DockControl.IsLocked)
{
Reset();
return(false);
}
FrameworkElement element = null;
IDockTabPane draggedPane = null;
IDockTabItem draggedItem = null;
if (floatWindow != null)
{
// User is dragging a FloatWindow.
// (Note: Dragging of FloatWindows with nested layouts is not supported.)
draggedPane = floatWindow.GetViewModel()?.RootPane as IDockTabPane;
element = floatWindow;
_floatWindow = floatWindow;
_initialSize = floatWindow.RenderSize;
// Start dragging immediately.
_dragDeltaExceeded = true;
}
else if (dockTabItem != null)
{
// User is dragging a DockTabItem in a DockTabPanel.
draggedItem = dockTabItem.GetViewModel();
element = dockTabItem;
_targetDockTabPane = dockTabPane;
_initialSize = dockTabPane.RenderSize;
// Start dragging when threshold is exceeded.
_initialMousePosition = WindowsHelper.GetMousePosition(_dockControl);
_dragDeltaExceeded = false;
}
else if (dockTabPane != null)
{
// User is dragging a DockTabPane.
draggedPane = dockTabPane.GetViewModel();
element = dockTabPane;
_initialSize = dockTabPane.RenderSize;
_initialMousePosition = WindowsHelper.GetMousePosition(_dockControl);
// Start dragging when threshold is exceeded.
_initialMousePosition = WindowsHelper.GetMousePosition(_dockControl);
_dragDeltaExceeded = false;
}
if (draggedPane == null && draggedItem == null)
{
Reset();
return(false);
}
// When the user is dragging the FloatWindow, the mouse is captured by Win32 move window
// loop. When dragging a DockTabPane or DockTabItem, the mouse needs to be
// captured to receive mouse events.
if (_floatWindow == null)
{
if (!_dockControl.CaptureMouse())
{
// Failed to capture the mouse.
Reset();
return(false);
}
_dockControl.LostMouseCapture += OnLostMouseCapture;
_dockControl.MouseLeftButtonUp += OnMouseLeftButtonUp;
_dockControl.MouseMove += OnMouseMove;
_dockControl.PreviewKeyDown += OnPreviewKeyDown;
if (_targetDockTabPane != null)
{
_targetDockTabPane.PreviewKeyDown += OnPreviewKeyDown;
}
}
_dockStrategy.Begin();
if (draggedPane != null)
{
_dockStrategy.Activate(draggedPane);
_activeItem = draggedPane.SelectedItem;
foreach (var item in draggedPane.Items)
{
if (item.DockState == draggedPane.DockState)
{
_draggedItems.Add(item);
}
}
}
else
{
Debug.Assert(draggedItem != null);
_dockStrategy.Activate(draggedItem);
_activeItem = draggedItem;
_draggedItems.Add(draggedItem);
}
Debug.Assert(_draggedItems.Count > 0);
// Determine whether dragged items may end in a FloatWindow.
_canFloat = CanFloat();
// Store the mouse offset relative to the dragged element.
_mouseOffset = (Vector)WindowsHelper.GetMousePosition(element);
// Remember information needed for a rollback.
ReplaceItemsWithProxies(draggedPane ?? _targetDockTabPane.GetViewModel());
_originalDockState = _draggedItems[0].DockState;
BackupFloatWindowPosition();
// Override mouse cursors. (Mouse cursor should not change to caret over text editor.)
Mouse.OverrideCursor = Cursors.Arrow;
return(true);
}
/// <summary>
/// Replaces the items with invisible proxies.
/// </summary>
/// <param name="currentPane">
/// The <see cref="IDockTabPane"/> where the items are currently visible. Item proxies will
/// be added to this pane, but the original items will be kept.
/// </param>
private void ReplaceItemsWithProxies(IDockTabPane currentPane)
{
Debug.Assert(_dockStrategy != null);
ReplaceItemsWithProxies(_dockStrategy.DockControl.RootPane, _draggedItems, currentPane);
foreach (var floatWindow in _dockStrategy.DockControl.FloatWindows)
ReplaceItemsWithProxies(floatWindow.RootPane, _draggedItems, currentPane);
ReplaceItemsWithProxies(_dockStrategy.DockControl.AutoHideLeft, _draggedItems, currentPane);
ReplaceItemsWithProxies(_dockStrategy.DockControl.AutoHideRight, _draggedItems, currentPane);
ReplaceItemsWithProxies(_dockStrategy.DockControl.AutoHideTop, _draggedItems, currentPane);
ReplaceItemsWithProxies(_dockStrategy.DockControl.AutoHideBottom, _draggedItems, currentPane);
}
private void ShowAutoHidePane(IDockTabPane dockTabPane, IDockTabItem dockTabItem)
{
CloseAutoHidePanesExcept(dockTabPane);
foreach (var autoHideBar in _autoHideBars)
{
var autoHidePane = autoHideBar.ShowAutoHidePane(dockTabPane, dockTabItem, true);
if (autoHidePane != null)
break;
}
}
private static void ReplaceItemsWithProxies(IReadOnlyList <IDockPane> dockPanes, List <IDockTabItem> items, IDockTabPane currentPane)
{
Debug.Assert(dockPanes != null);
Debug.Assert(items != null);
for (int i = 0; i < dockPanes.Count; i++)
{
ReplaceItemsWithProxies(dockPanes[i], items, currentPane);
}
}
private AutoHidePane GetAutoHidePane(IDockTabPane dockTabPane)
{
foreach (var autoHideOverlay in _autoHideOverlays)
{
var autoHidePane = (AutoHidePane)autoHideOverlay.Content;
if (autoHidePane.Content == dockTabPane)
return autoHidePane;
}
return null;
}
public SerializationContext(IDockControl dockControl)
{
Debug.Assert(dockControl != null);
Debug.Assert(dockControl.DockStrategy != null);
DockControl = dockControl;
var dockStrategy = dockControl.DockStrategy;
DefaultFloatWindow = dockStrategy.CreateFloatWindow();
DefaultDockAnchorPane = dockStrategy.CreateDockAnchorPane();
DefaultDockSplitPane = dockStrategy.CreateDockSplitPane();
DefaultDockTabPane = dockStrategy.CreateDockTabPane();
}
private static void ReplaceItemsWithProxies(IReadOnlyList<IDockPane> dockPanes, List<IDockTabItem> items, IDockTabPane currentPane)
{
Debug.Assert(dockPanes != null);
Debug.Assert(items != null);
for (int i = 0; i < dockPanes.Count; i++)
ReplaceItemsWithProxies(dockPanes[i], items, currentPane);
}
/// <summary>
/// Closes all open <see cref="AutoHidePane"/>s except one.
/// </summary>
/// <param name="dockTabPane">
/// The content of the <see cref="AutoHidePane"/> that should stay open.
/// </param>
internal void CloseAutoHidePanesExcept(IDockTabPane dockTabPane)
{
foreach (var autoHideBar in _autoHideBars)
autoHideBar.CloseAutoHidePanesExcept(dockTabPane);
}
