private void SyncChildrenToRibbonGroupItems()
{
// Grab the shape of the ribbon
_lastShape = _ribbon.RibbonShape;
bool itemEdgeVisible = (_lastShape != PaletteRibbonShape.Office2010);
bool itemEdgeIgnoreNormal = (_lastShape == PaletteRibbonShape.Office2010);
bool itemConstantBorder = (_lastShape != PaletteRibbonShape.Office2010);
bool itemDrawNonTrackingAreas = (_lastShape != PaletteRibbonShape.Office2010);
// Remove all child elements
Clear();
// Always add the start separator as the first view element
Add(_startSep);
// Create new lookups which are up to date
ItemToView regenView = new ItemToView();
ViewToEdge regenEdge = new ViewToEdge();
// Cache the first and last visible children
ViewBase viewFirst = null;
ViewBase viewLast = null;
// Add a view element for each group item
foreach (IRibbonGroupItem item in _ribbonCluster.Items)
{
ViewBase itemView;
ViewDrawRibbonGroupClusterEdge itemEdge;
// Do we already have a view for this item definition
if (_itemToView.ContainsKey(item))
{
itemView = _itemToView[item];
itemEdge = _viewToEdge[itemView];
// Remove from lookups
_itemToView.Remove(item);
_viewToEdge.Remove(itemView);
}
else
{
// Ask the item definition to return an appropriate view
itemView = item.CreateView(_ribbon, _needPaint);
// Create a border edge to go with the item view
itemEdge = new ViewDrawRibbonGroupClusterEdge(_ribbon, _paletteBorderEdge);
}
// Update the visible state
itemView.Visible = _ribbon.InDesignHelperMode || item.Visible;
itemEdge.Visible = itemEdgeVisible && (_ribbon.InDesignHelperMode || item.Visible);
// We need to remember associations
regenView.Add(item, itemView);
regenEdge.Add(itemView, itemEdge);
Add(itemView);
Add(itemEdge);
// Update the cached first/last items
if (itemView.Visible && (viewFirst == null))
{
viewFirst = itemView;
}
if (itemView.Visible)
{
viewLast = itemView;
}
}
// Update the display borders for the visible items
foreach (ViewBase item in regenView.Values)
{
// Only interested in visible items
if (item.Visible)
{
if ((item is ViewDrawRibbonGroupClusterButton) ||
(item is ViewDrawRibbonGroupClusterColorButton))
{
// By default each button shows only the top and bottom
PaletteDrawBorders maxBorders = PaletteDrawBorders.TopBottom;
switch (_lastShape)
{
default:
case PaletteRibbonShape.Office2007:
maxBorders = PaletteDrawBorders.TopBottom;
// First and last items have extra borders
if (item == viewFirst)
{
// If first and last, it needs all borders
if (item == viewLast)
{
maxBorders = PaletteDrawBorders.All;
}
else
{
maxBorders = PaletteDrawBorders.TopBottomLeft;
}
}
else if (item == viewLast)
{
maxBorders = PaletteDrawBorders.TopBottomRight;
}
break;
case PaletteRibbonShape.Office2010:
maxBorders = PaletteDrawBorders.All;
break;
}
// Remove the border edge after the last button
if (item == viewLast)
{
Remove(regenEdge[item]);
}
// Cast to correct type
ViewDrawRibbonGroupClusterButton clusterButton = item as ViewDrawRibbonGroupClusterButton;
ViewDrawRibbonGroupClusterColorButton clusterColorButton = item as ViewDrawRibbonGroupClusterColorButton;
if (clusterButton != null)
{
clusterButton.MaxBorderEdges = maxBorders;
clusterButton.BorderIgnoreNormal = itemEdgeIgnoreNormal;
clusterButton.ConstantBorder = itemConstantBorder;
clusterButton.DrawNonTrackingAreas = itemDrawNonTrackingAreas;
}
if (clusterColorButton != null)
{
clusterColorButton.MaxBorderEdges = maxBorders;
clusterColorButton.BorderIgnoreNormal = itemEdgeIgnoreNormal;
clusterColorButton.ConstantBorder = itemConstantBorder;
clusterColorButton.DrawNonTrackingAreas = itemDrawNonTrackingAreas;
}
}
}
}
// Dispose of all the items no longer needed
foreach (ViewBase view in _itemToView.Values)
{
view.Dispose();
}
foreach (ViewBase view in _viewToEdge.Values)
{
view.Dispose();
}
// Always add the end separator as the last view element (excluding any desing time additions)
Add(_endSep);
// Define visible state of the separators
_startSep.Visible = (_lastShape == PaletteRibbonShape.Office2010);
_endSep.Visible = (_lastShape == PaletteRibbonShape.Office2010);
// When in design time help mode
if (_ribbon.InDesignHelperMode)
{
// Create the design time 'Item' first time it is needed
if (_viewAddItem == null)
{
_viewAddItem = new ViewDrawRibbonDesignCluster(_ribbon,
_ribbonCluster,
_needPaint);
}
// Always add at end of the list of items
Add(_viewAddItem);
}
// Use the latest tables
_itemToView = regenView;
_viewToEdge = regenEdge;
}
