/// <summary>
/// Change the RibbonSize for every IRibbonControl inside this group.
/// </summary>
private void ChangeControlSizes()
{
int level = ReductionLevel;
int maxLevels = GetMaxLevel();
bool minimized = level >= maxLevels;
IsMinimized = minimized;
if (minimized)
{
level = 0;
}
for (int i = 0; i < Controls.Count; i++)
{
UIElement e = Controls[i];
IRibbonGallery gallery = e as IRibbonGallery;
if (gallery != null)
{
int columns = GetGalleryColumns(e, level, maxLevels);
gallery.Columns = columns;
gallery.IsCollapsed = columns == 0;
gallery.SetDropDownColumns(GetGalleryColumns(e, 0, maxLevels));
}
else
{
if (e is IRibbonControl)
{
RibbonSize size = GetControlSize(e, level, i);
RibbonBar.SetSize(e, size);
}
}
}
InvalidateMeasure();
UpdateLayout();
}
protected virtual void OnButtonClickEvent(object sender, RoutedEventArgs e)
{
if (IsDropDownPressed)
{
if (e.OriginalSource == this)
{
return;
}
DependencyObject dep = e.OriginalSource as DependencyObject;
if (!(e.OriginalSource is RibbonButton) && !(e.OriginalSource is RibbonDropDownButton))
{
if (dep != null && !RibbonOption.GetCloseDropDownOnClick(dep))
{
return;
}
}
else
{
if (dep != null && !RibbonBar.GetAffectsDropDown(dep))
{
return;
}
}
if (IsAncestorType(e.OriginalSource, typeof(RibbonComboBox)))
{
return;
}
IsDropDownPressed = false;
}
}
private bool CanControlBeSmall(UIElement e)
{
if ((e is IRibbonControl) && !(e is IRibbonLargeControl))
{
RibbonSize min = RibbonBar.GetMinSize(e);
return(min < RibbonSize.Large);
}
return(e.DesiredSize.Height <= InternalGroupPanel.MaxSmallHeight);
}
protected override void PrepareContainerForItemOverride(DependencyObject element, object item)
{
base.PrepareContainerForItemOverride(element, item);
IRibbonButton b = element as IRibbonButton;
if (b != null)
{
RibbonBar.SetSize(element, RibbonSize.Small);
}
}
private Size ArrangeOrMeasure(bool arrange)
{
double left = 0;
int rowIndex = 0;
int maxRows = 3;
List <UIElement> rowElements = new List <UIElement>(maxRows);
foreach (UIElement e in Children)
{
if (e.Visibility != Visibility.Visible)
{
continue;
}
IRibbonControl ribbonControl = e as IRibbonControl;
Size dsize = e.DesiredSize;
if (dsize.Height > smallHeight)
{
if (rowIndex > 0)
{
left += ArrangeRow(rowElements, left, arrange);
rowIndex = 0;
}
if (arrange)
{
Size size = e.DesiredSize;
double h = Math.Max(smallHeight, size.Height);
e.Arrange(new Rect(left, 0, size.Width, h));
}
left += e.DesiredSize.Width;
}
else
{
RibbonSize size = RibbonBar.GetSize(e);
if (size != RibbonSize.Minimized)
{
rowElements.Add(e);
if (++rowIndex == maxRows)
{
left += ArrangeRow(rowElements, left, arrange);
rowIndex = 0;
}
}
}
}
left += ArrangeRow(rowElements, left, arrange);
left = Math.Max(32, left);
return(new Size(left, smallHeight * 3));
}
//Gets the maximum possible ReductionLevel that would change any of the controls.
private int GetMaxLevel()
{
int max = 1;
foreach (UIElement e in Controls)
{
if (e is IRibbonControl)
{
RibbonSizeCollection reduction = RibbonBar.GetReduction(e);
int m = reduction != null ? reduction.Count : 3;
max = Math.Max(max, m);
}
if (e is IRibbonGallery)
{
RibbonGalleryColumns columns = RibbonGallery.GetReductionColumns(e);
int m = columns != null ? columns.Count : 3;
max = Math.Max(max, m);
}
}
return(max);
}
/// <summary>
/// Ensure the position of the tooltip to be exactly below the <see cref="T:RibbonBar"/> if available, otherwise use default positioning.
/// </summary>
private CustomPopupPlacement[] PopupPlacement(Size popupSize, Size targetSize, Point offset)
{
RibbonBar ribbon = GetRibbonBar();
double y = ActualHeight;
double x = 0.0d;
if (ribbon != null)
{
FrameworkElement owner = this.PlacementTarget as FrameworkElement;
if (!(owner is RibbonApplicationMenu))
{
if (owner.IsDescendantOf(ribbon))
{
Point p = ribbon.TranslatePoint(new Point(), owner);
y = ribbon.ActualHeight + p.Y;
}
else
{
Popup popup = ribbon.Popup;
FrameworkElement child = popup.Child as FrameworkElement;
if (child != null)
{
Point p = child.TranslatePoint(new Point(), owner);
y = child.ActualHeight + p.Y;
}
}
}
else
{
y = owner.ActualHeight + 4.0d;
x = 0d;
}
}
CustomPopupPlacement placement = new CustomPopupPlacement(new Point(x, y), PopupPrimaryAxis.Vertical);
return(new CustomPopupPlacement[] { placement });
}
protected override System.Windows.Size MeasureOverride(System.Windows.Size constraint)
{
itemsHost.Children.Clear();
if (overflowHost != null)
{
overflowHost.Children.Clear();
}
CreateMenuItems();
foreach (UIElement e in GetToolbarItems())
{
RibbonBar.SetSize(e, RibbonSize.Small);
itemsHost.Children.Add(e);
}
HasOverflowItems = false;
Size maxSize = base.MeasureOverride(new Size(double.PositiveInfinity, constraint.Height));
while (maxSize.Width > constraint.Width)
{
int n = itemsHost.Children.Count;
if (n == 0)
{
break;
}
UIElement e = itemsHost.Children[n - 1];
InvalidateAncestorMeasure(e);
itemsHost.Children.RemoveAt(n - 1);
if (overflowHost != null)
{
overflowHost.Children.Insert(0, e);
HasOverflowItems = true;
}
maxSize = base.MeasureOverride(new Size(double.PositiveInfinity, constraint.Height));
}
Size size = base.MeasureOverride(constraint);
return(size);
}
/// <summary>
/// Gets the RibbonSize for a control for a specific level.
/// </summary>
/// <param name="control">The control for which to retreive a RibbonSize.</param>
/// <param name="level">The reduction Level (0=large, 2=medium,3=small,4=minimized,...).</param>
/// <param name="index">The index of the control in the group.</param>
/// <returns>The RibbonSize for the control.</returns>
RibbonSize GetControlSize(DependencyObject control, int level, int index)
{
RibbonSizeCollection reductions = RibbonBar.GetReduction(control);
if (reductions != null && reductions.Count > 0)
{
level = Math.Max(0, Math.Min(level, reductions.Count - 1));
return(reductions[level]);
}
RibbonSize size;
switch (level)
{
case 0: size = GetDefaultSizeForLevel0(index); break;
case 1: size = GetDefaultSizeForLevel1(index); break;
case 2: size = GetDefaultSizeForLevel2(index); break;
default: size = RibbonSize.Minimized; break;
}
RibbonSize min = RibbonBar.GetMinSize(control);
RibbonSize max = RibbonBar.GetMaxSize(control);
if (size < min)
{
size = min;
}
if (size > max)
{
size = max;
}
return(size);
}
private static void alignGroupsLeft(object sender, ExecutedRoutedEventArgs e)
{
RibbonBar bar = (RibbonBar)sender;
bar.AlignGroupsLeft();
}
private static void collapseRibbonBar(object sender, ExecutedRoutedEventArgs e)
{
RibbonBar bar = (RibbonBar)sender;
bar.IsExpanded = false;
}
private static void IsQAPlacementBottomEnabled(object sender, CanExecuteRoutedEventArgs e)
{
RibbonBar bar = (RibbonBar)sender;
e.CanExecute = bar.ToolbarPlacement == QAPlacement.Top;
}
private static void QAPlacementBottom(object sender, ExecutedRoutedEventArgs e)
{
RibbonBar bar = (RibbonBar)sender;
bar.ToolbarPlacement = QAPlacement.Bottom;
}