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Adjust GetSide to allow for multiple anchorable panes on the left or top #486

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Adjust GetSide to allow for multiple anchorable panes on the left or top #486

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24 changes: 21 additions & 3 deletions source/Components/AvalonDock/Layout/Extensions.cs
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Original file line number Diff line number Diff line change
@@ -1,4 +1,4 @@
/************************************************************************
/************************************************************************
AvalonDock

Copyright (C) 2007-2013 Xceed Software Inc.
Expand Down Expand Up @@ -70,8 +70,8 @@ public static AnchorSide GetSide(this ILayoutElement element)
if (layoutPanel != null && layoutPanel.Children.Count > 0)
{
if (layoutPanel.Orientation == System.Windows.Controls.Orientation.Horizontal)
return layoutPanel.Children[0].Equals(element) || layoutPanel.Children[0].Descendents().Contains(element) ? AnchorSide.Left : AnchorSide.Right;
return layoutPanel.Children[0].Equals(element) || layoutPanel.Children[0].Descendents().Contains(element) ? AnchorSide.Top : AnchorSide.Bottom;
return element.InAnchorablePaneAtStartOfPanel(layoutPanel) ? AnchorSide.Left : AnchorSide.Right;
return element.InAnchorablePaneAtStartOfPanel(layoutPanel) ? AnchorSide.Top : AnchorSide.Bottom;
}
}
Debug.Fail("Unable to find the side for an element, possible layout problem!");
Expand Down Expand Up @@ -116,6 +116,24 @@ internal static void KeepInsideNearestMonitor_Issue20(this ILayoutElementForFloa
paneInsideFloatingWindow.FloatingTop = monitorInfo.Work.Bottom - (paneInsideFloatingWindow.FloatingHeight + 10);
}

private static bool InAnchorablePaneAtStartOfPanel(this ILayoutElement element, LayoutPanel layoutPanel)
{
foreach (var child in layoutPanel.Children)
{
if (!(child is LayoutAnchorablePane || child is LayoutAnchorablePaneGroup))
{
return false;
}

if (child.Equals(element) || child.Descendents().Contains(element))
{
return true;
}
}

return false;
}

#endregion Internal Methods
}
}