ComponentFactory.Krypton.Ribbon.ViewLayoutRibbonTabsSpare.Layout C# (CSharp) Method

        public override void Layout(ViewLayoutContext context)
        {
            Debug.Assert(context != null);

            // Validate incoming reference
            if (context == null) throw new ArgumentNullException("context");

            // We take on all the available display area
            ClientRectangle = context.DisplayRectangle;
        }

        /// <summary>
        /// Perform a layout of the elements.
        /// </summary>
        /// <param name="context">Layout context.</param>
        public override void Layout(ViewLayoutContext context)
        {
            Debug.Assert(context != null);

            // Sync child elements to represent the current ribbon tabs collection setup
            SyncChildrenToRibbonTabs();

            // We take on all the available display area
            ClientRectangle = context.DisplayRectangle;

            int x = ClientLocation.X;

            // Are there any children to layout?
            if (this.Count > 0)
            {
                // Modify the cached sizes so they are ideally sized for actual space
                Size[] layoutSizes = AdjustSizesToFit();

                int y      = ClientRectangle.Y;
                int bottom = ClientRectangle.Bottom;
                int height = ClientHeight;

                // Position each item from left to right taking up entire height
                for (int i = 0; i < this.Count; i++)
                {
                    // Only interested in visible items
                    if (layoutSizes[i].Width > 0)
                    {
                        // Separators are made the full height, others are aligned on the bottom edge
                        if (this[i] is ViewDrawRibbonTabSep)
                        {
                            // Update separator with latest calculated need to draw
                            ViewDrawRibbonTabSep tabSep = this[i] as ViewDrawRibbonTabSep;
                            tabSep.Draw = _showSeparators;

                            context.DisplayRectangle = new Rectangle(x, y, layoutSizes[i].Width, height);
                        }
                        else if (this[i] is ViewDrawRibbonTab)
                        {
                            // Update checked state of the tab
                            ViewDrawRibbonTab tab = this[i] as ViewDrawRibbonTab;
                            tab.Checked = (_ribbon.SelectedTab == tab.RibbonTab);

                            context.DisplayRectangle = new Rectangle(x, bottom - layoutSizes[i].Height, layoutSizes[i].Width, layoutSizes[i].Height);
                        }
                        else if (this[i] is ViewDrawRibbonDesignTab)
                        {
                            context.DisplayRectangle = new Rectangle(x, bottom - layoutSizes[i].Height, layoutSizes[i].Width, layoutSizes[i].Height);
                        }

                        // Position the element
                        this[i].Layout(context);

                        // Move across to next position
                        x += layoutSizes[i].Width;
                    }
                }
            }

            // Fill remainder space with the tabs spare element
            Rectangle customCaptionRect = Rectangle.Empty;

            if (_tabsSpare != null)
            {
                _tabsSpare.Visible = false;
                if (x < ClientRectangle.Right)
                {
                    if (_ribbon.GetRedirector().GetMetricBool(PaletteState.Normal, PaletteMetricBool.RibbonTabsSpareCaption) == InheritBool.True)
                    {
                        customCaptionRect        = new Rectangle(x, ClientRectangle.Y, ClientRectangle.Right - x, ClientHeight);
                        context.DisplayRectangle = customCaptionRect;
                        _tabsSpare.Visible       = true;
                        _tabsSpare.Layout(context);
                        x = ClientRectangle.Right;
                    }
                }
            }

            // We have an owning form we need to update the custom area it treats as a caption
            if (_ribbon.CaptionArea.KryptonForm != null)
            {
                if (!customCaptionRect.IsEmpty)
                {
                    // Convert the rectangle to the owning form coordinates
                    customCaptionRect = _parentControl.RectangleToScreen(customCaptionRect);
                    customCaptionRect = _ribbon.CaptionArea.KryptonForm.RectangleToClient(customCaptionRect);
                }

                _ribbon.CaptionArea.KryptonForm.CustomCaptionArea = customCaptionRect;
            }

            // Update our own size to reflect how wide we actually need to be for all the children
            ClientRectangle = new Rectangle(ClientLocation, new Size(x - ClientLocation.X, ClientHeight));

            // Update the display rectangle we allocated for use by parent
            context.DisplayRectangle = new Rectangle(ClientLocation, new Size(x - ClientLocation.X, ClientHeight));
        }