/// <summary>
/// Called when the button is clicked
/// </summary>
protected override void OnClick()
{
if (TabControl == null)
{
return;
}
var menu = new ContextMenu();
var counter = -1;
foreach (var view in Shell.Current.NormalViews)
{
counter++;
var menuItem = new SelectViewMenuItem(TabControl, counter);
menuItem.Header = SimpleView.GetTitle(view.View);
var viewColor = SimpleView.GetViewThemeColor(view.View);
if (viewColor.A == 0)
{
var viewColorResource = FindResource("CODE.Framework-Application-ThemeColor1");
if (viewColorResource != null)
{
viewColor = (Color)viewColorResource;
}
}
if (viewColor.A != 0)
{
menuItem.Background = new SolidColorBrush(viewColor);
}
menu.Items.Add(menuItem);
}
menu.Placement = PlacementMode.Bottom;
menu.HorizontalOffset = ActualWidth;
menu.PlacementTarget = this;
menu.IsOpen = true;
}
/// <summary>
/// Draws the content of a <see cref="T:System.Windows.Media.DrawingContext" /> object during the render pass of a <see cref="T:System.Windows.Controls.Panel" /> element.
/// </summary>
/// <param name="dc">The <see cref="T:System.Windows.Media.DrawingContext" /> object to draw.</param>
protected override void OnRender(DrawingContext dc)
{
base.OnRender(dc);
var children = GetCurrentChildren();
if (children.Count < 1)
{
return;
}
_hitZones.Clear();
var headerHeight = GetHeaderHeight() + 5;
var currentLeft = HorizontalHeaderRenderingOffset;
var index = SelectedIndex; // Our "first" element is the element that is selected again
var isFirst = true;
foreach (var child in children)
{
var title = SimpleView.GetTitle(child.Child);
if (string.IsNullOrEmpty(title))
{
title = "Item";
}
var ft = isFirst ? new FormattedText(title, CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, new Typeface(HeaderFontFamily, FontStyles.Normal, FontWeights.Normal, FontStretches.Normal), HeaderFontSize, SelectedHeaderForeground) : new FormattedText(title, CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, new Typeface(HeaderFontFamily, FontStyles.Normal, FontWeights.Light, FontStretches.Normal), HeaderFontSize, UnselectedHeaderForeground);
dc.DrawText(ft, new Point(currentLeft, 0d));
if (index > Children.Count - 1)
{
index = 0; // We wrap back to item 0 when we shoot out the back
}
_hitZones.Add(new PanoramaHeaderHitZone {
Index = child.ActualChildIndex, Rect = GeometryHelper.NewRect(currentLeft - 10, 0d, ft.Width + 15, headerHeight)
});
currentLeft += ft.Width + 25;
index++;
isFirst = false;
}
}
/// <summary>
/// Returns a list of grouped views.
/// </summary>
/// <param name="views">The views.</param>
/// <returns>Dictionary<System.String, List<ViewResult>>.</returns>
private Dictionary <string, List <ViewResult> > GetGroupedViews(IEnumerable <ViewResult> views)
{
var groups = new Dictionary <string, List <ViewResult> >();
foreach (var view in views.Where(v => v.View != null))
{
var group = SimpleView.GetGroup(view.View).Trim();
if (string.IsNullOrEmpty(group) && !CombineAllEmptyGroups)
{
group = SimpleView.GetTitle(view.View);
}
if (!groups.ContainsKey(group))
{
groups.Add(group, new List <ViewResult> {
view
});
}
else
{
groups[group].Add(view);
}
}
return(groups);
}
/// <summary>
/// Renders the actual tabs
/// </summary>
/// <param name="dc">The dc.</param>
/// <param name="tabItemsPanel">The tab items panel.</param>
public void Render(DrawingContext dc, TabItemsPanel tabItemsPanel)
{
// Making sure we have a selected page.
if (tabItemsPanel.SelectedPage < 0)
{
var visibleCounter = -1;
foreach (var element in tabItemsPanel.Children.OfType <UIElement>())
{
visibleCounter++;
if (TabItemsPanel.GetTabVisibility(element) == Visibility.Visible)
{
tabItemsPanel.SelectedPage = visibleCounter;
break;
}
}
return;
}
// Making sure the selected page is in fact visible
var allPages = tabItemsPanel.Children.OfType <UIElement>().ToList();
if (TabItemsPanel.GetTabVisibility(allPages[tabItemsPanel.SelectedPage]) != Visibility.Visible)
{
var visibleCounter = -1;
foreach (var element in tabItemsPanel.Children.OfType <UIElement>())
{
visibleCounter++;
if (TabItemsPanel.GetTabVisibility(element) == Visibility.Visible)
{
tabItemsPanel.SelectedPage = visibleCounter;
break;
}
}
return;
}
_pageHeaders.Clear();
foreach (var element in tabItemsPanel.Children.OfType <UIElement>())
{
var header = SimpleView.GetTitle(element).Trim();
if (string.IsNullOrEmpty(header))
{
header = "Item";
}
_pageHeaders.Add(header);
}
_headerRectangles.Clear();
var boldType = new Typeface(FontFamily, FontStyles.Normal, FontWeights.Bold, FontStretches.Normal);
var regularType = new Typeface(new FontFamily("Segoe UI"), FontStyles.Normal, FontWeights.Normal, FontStretches.Normal);
var linePen = new Pen(Brushes.Gray, 1d);
var highlightPen = new Pen(Brushes.RoyalBlue, 2d);
dc.DrawLine(linePen, new Point(0, 29.5), new Point(tabItemsPanel.ActualWidth, 29.5));
var counter = -1;
var left = 5d;
foreach (var element in tabItemsPanel.Children.OfType <UIElement>())
{
counter++;
if (TabItemsPanel.GetTabVisibility(element) != Visibility.Visible)
{
_headerRectangles.Add(Rect.Empty);
continue;
}
if (counter == tabItemsPanel.SelectedPage)
{
var ft = new FormattedText(_pageHeaders[counter], CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, boldType, 11d, Brushes.Black);
var textWidth = ft.Width;
var headerRect = new Rect(left, 0, textWidth + 20, 30);
_headerRectangles.Add(headerRect);
dc.DrawRectangle(Brushes.White, null, headerRect);
dc.DrawLine(linePen, new Point(left, 3), new Point(left, 30));
dc.DrawLine(linePen, new Point(left + textWidth + 20, 3), new Point(left + textWidth + 20, 30));
dc.DrawLine(highlightPen, new Point(left, 2), new Point(left + textWidth + 20, 2));
dc.DrawText(ft, new Point(left + 10, 7));
left += textWidth + 20;
}
else
{
var ft = new FormattedText(_pageHeaders[counter], CultureInfo.CurrentUICulture, FlowDirection.LeftToRight, regularType, 11d, Brushes.Black);
var textWidth = ft.Width;
var headerRect = new Rect(left, 0, textWidth + 20, 30);
_headerRectangles.Add(headerRect);
dc.DrawRectangle(Brushes.Transparent, null, headerRect); // Makes the area hit-test visible
dc.DrawText(ft, new Point(left + 10, 7));
left += textWidth + 20;
}
}
}
