static void UpdateToolbarPlacement(CommandBar toolbar, ToolbarPlacement toolbarPlacement, WBorder bottomCommandBarArea,
WBorder topCommandBarArea, WBorder titleArea)
{
// Figure out what's hosting the command bar right now
var current = toolbar.Parent as WBorder;
// And figure out where it should be
WBorder target;
switch (toolbarPlacement)
{
case ToolbarPlacement.Top:
target = topCommandBarArea;
break;
case ToolbarPlacement.Bottom:
target = bottomCommandBarArea;
break;
case ToolbarPlacement.Default:
default:
target = Device.Idiom == TargetIdiom.Phone ? bottomCommandBarArea : topCommandBarArea;
break;
}
if (current == null || target == null || current == target)
{
return;
}
// Remove the command bar from its current host and add it to the new one
current.Child = null;
target.Child = toolbar;
if (titleArea != null)
{
if (target == bottomCommandBarArea)
{
// If the title is hosted in the command bar and we're moving the command bar to the bottom,
// put the title into the topCommandBarArea
toolbar.Content = null;
topCommandBarArea.Child = titleArea;
}
else
{
// Put the title back into the command bar
toolbar.Content = titleArea;
}
}
}
public void Initialize(CommandBar commandBar, Func <ToolbarPlacement> getToolbarPlacement,
Func <string, DependencyObject> getTemplateChild)
{
_commandBar = commandBar;
_getToolbarPlacement = getToolbarPlacement;
_bottomCommandBarArea = getTemplateChild("BottomCommandBarArea") as WBorder;
_topCommandBarArea = getTemplateChild("TopCommandBarArea") as WBorder;
_titleArea = getTemplateChild("TitleArea") as WBorder;
if (_commandBar != null && _bottomCommandBarArea != null && _topCommandBarArea != null)
{
// We have to wait for the command bar to load so that it'll be in the control hierarchy
// otherwise we can't properly move it to wherever the toolbar is supposed to be
_commandBar.Loaded += (sender, args) =>
{
UpdateToolbarPlacement();
UpdateIsInValidLocation();
};
}
}
public ShellItemView(ShellView shellContext)
{
_ = shellContext ?? throw new ArgumentNullException(nameof(shellContext));
ShellContext = shellContext;
RowDefinitions.Add(new UwpRowDefinition()
{
Height = WinUIHelpers.CreateGridLength(1, UwpGridUnitType.Auto)
});
RowDefinitions.Add(new UwpRowDefinition()
{
Height = WinUIHelpers.CreateGridLength(1, UwpGridUnitType.Star)
});
RowDefinitions.Add(new UwpRowDefinition()
{
Height = WinUIHelpers.CreateGridLength(1, UwpGridUnitType.Auto)
});
_Title = new TextBlock()
{
Style = Resources["SubtitleTextBlockStyle"] as UwpStyle,
VerticalAlignment = VerticalAlignment.Center,
TextTrimming = TextTrimming.CharacterEllipsis,
TextWrapping = TextWrapping.NoWrap
};
_HeaderArea = new UwpGrid()
{
Height = 40, Padding = WinUIHelpers.CreateThickness(10, 0, 10, 0)
};
_HeaderArea.ColumnDefinitions.Add(new UwpColumnDefinition()
{
Width = WinUIHelpers.CreateGridLength(1, UwpGridUnitType.Star)
});
_HeaderArea.ColumnDefinitions.Add(new UwpColumnDefinition()
{
Width = WinUIHelpers.CreateGridLength(1, UwpGridUnitType.Auto)
});
_HeaderArea.Children.Add(_Title);
Children.Add(_HeaderArea);
_Toolbar = new ItemsControl()
{
ItemTemplate = UwpApplication.Current.Resources["ShellToolbarItemTemplate"] as UwpDataTemplate,
ItemsPanel = UwpApplication.Current.Resources["ShellToolbarItemsPanelTemplate"] as ItemsPanelTemplate,
};
SetColumn(_Toolbar, 1);
_HeaderArea.Children.Add(_Toolbar);
SectionView = shellContext.CreateShellSectionView();
SetRow(SectionView, 1);
Children.Add(SectionView);
_BottomBar = new UwpGrid()
{
HorizontalAlignment = HorizontalAlignment.Center
};
_BottomBarArea = new WBorder()
{
Child = _BottomBar
};
SetRow(_BottomBarArea, 2);
Children.Add(_BottomBarArea);
}
WColor GetBackgroundColor(WBorder border)
{
return((border.Background as WSolidColorBrush).Color);
}
