/// <summary>
/// Gets current used layout definition (or null if no present definitions)
/// </summary>
/// <returns>Layout definition or null</returns>
internal RibbonToolBarLayoutDefinition GetCurrentLayoutDefinition()
{
if (layoutDefinitions.Count == 0)
{
return(null);
}
if (layoutDefinitions.Count == 1)
{
return(layoutDefinitions[0]);
}
foreach (RibbonToolBarLayoutDefinition definition in layoutDefinitions)
{
if (RibbonAttachedProperties.GetRibbonSize(definition) == RibbonAttachedProperties.GetRibbonSize(this))
{
return(definition);
}
}
// TODO: try to find a better definition
return(layoutDefinitions[0]);
}
private void UpdateKeyTipPositions()
{
this.Log("UpdateKeyTipPositions");
if (keyTips.Count == 0)
{
return;
}
double[] rows = null;
var groupBox = GetGroupBox(oneOfAssociatedElements);
if (groupBox != null)
{
var panel = groupBox.GetPanel();
if (panel != null)
{
var height = groupBox.GetLayoutRoot().DesiredSize.Height;
rows = new[]
{
groupBox.GetLayoutRoot().TranslatePoint(new Point(0, 0), AdornedElement).Y,
groupBox.GetLayoutRoot().TranslatePoint(new Point(0, panel.DesiredSize.Height / 2.0), AdornedElement).Y,
groupBox.GetLayoutRoot().TranslatePoint(new Point(0, panel.DesiredSize.Height), AdornedElement).Y,
groupBox.GetLayoutRoot().TranslatePoint(new Point(0, height + 1), AdornedElement).Y
};
}
}
for (var i = 0; i < keyTips.Count; i++)
{
// Skip invisible keytips
if (keyTips[i].Visibility != Visibility.Visible)
{
continue;
}
// Update KeyTip Visibility
var associatedElementIsVisible = associatedElements[i].IsVisible;
var associatedElementInVisualTree = VisualTreeHelper.GetParent(associatedElements[i]) != null;
keyTips[i].Visibility = associatedElementIsVisible && associatedElementInVisualTree ? Visibility.Visible : Visibility.Collapsed;
if (!KeyTip.GetAutoPlacement(associatedElements[i]))
{
#region Custom Placement
var keyTipSize = keyTips[i].DesiredSize;
var elementSize = associatedElements[i].RenderSize;
double x = 0, y = 0;
var margin = KeyTip.GetMargin(associatedElements[i]);
switch (KeyTip.GetHorizontalAlignment(associatedElements[i]))
{
case HorizontalAlignment.Left:
x = margin.Left;
break;
case HorizontalAlignment.Right:
x = elementSize.Width - keyTipSize.Width - margin.Right;
break;
case HorizontalAlignment.Center:
case HorizontalAlignment.Stretch:
x = elementSize.Width / 2.0 - keyTipSize.Width / 2.0 + margin.Left;
break;
}
switch (KeyTip.GetVerticalAlignment(associatedElements[i]))
{
case VerticalAlignment.Top:
y = margin.Top;
break;
case VerticalAlignment.Bottom:
y = elementSize.Height - keyTipSize.Height - margin.Bottom;
break;
case VerticalAlignment.Center:
case VerticalAlignment.Stretch:
y = elementSize.Height / 2.0 - keyTipSize.Height / 2.0 + margin.Top;
break;
}
keyTipPositions[i] = associatedElements[i].TranslatePoint(new Point(x, y), AdornedElement);
#endregion
}
else if (((FrameworkElement)associatedElements[i]).Name == "PART_DialogLauncherButton")
{
// Dialog Launcher Button Exclusive Placement
var keyTipSize = keyTips[i].DesiredSize;
var elementSize = associatedElements[i].RenderSize;
if (rows == null)
{
continue;
}
keyTipPositions[i] = associatedElements[i].TranslatePoint(
new Point(elementSize.Width / 2.0 - keyTipSize.Width / 2.0,
0), AdornedElement);
keyTipPositions[i].Y = rows[3];
}
else if ((associatedElements[i] is InRibbonGallery && !((InRibbonGallery)associatedElements[i]).IsCollapsed))
{
// InRibbonGallery Exclusive Placement
var keyTipSize = keyTips[i].DesiredSize;
var elementSize = associatedElements[i].RenderSize;
if (rows == null)
{
continue;
}
keyTipPositions[i] = associatedElements[i].TranslatePoint(
new Point(elementSize.Width - keyTipSize.Width / 2.0,
0), AdornedElement);
keyTipPositions[i].Y = rows[2] - keyTipSize.Height / 2;
}
else if ((associatedElements[i] is RibbonTabItem) || (associatedElements[i] is Backstage))
{
// Ribbon Tab Item Exclusive Placement
var keyTipSize = keyTips[i].DesiredSize;
var elementSize = associatedElements[i].RenderSize;
keyTipPositions[i] = associatedElements[i].TranslatePoint(
new Point(elementSize.Width / 2.0 - keyTipSize.Width / 2.0,
elementSize.Height - keyTipSize.Height / 2.0), AdornedElement);
}
else if (associatedElements[i] is RibbonGroupBox)
{
// Ribbon Group Box Exclusive Placement
var keyTipSize = keyTips[i].DesiredSize;
var elementSize = associatedElements[i].DesiredSize;
keyTipPositions[i] = associatedElements[i].TranslatePoint(
new Point(elementSize.Width / 2.0 - keyTipSize.Width / 2.0,
elementSize.Height + 1), AdornedElement);
}
else if (IsWithinQuickAccessToolbar(associatedElements[i]))
{
var translatedPoint = associatedElements[i].TranslatePoint(new Point(
associatedElements[i].DesiredSize.Width / 2.0 - keyTips[i].DesiredSize.Width / 2.0,
associatedElements[i].DesiredSize.Height - keyTips[i].DesiredSize.Height / 2.0), AdornedElement);
keyTipPositions[i] = translatedPoint;
}
else if (associatedElements[i] is MenuItem)
{
// MenuItem Exclusive Placement
var keyTipSize = keyTips[i].DesiredSize;
var elementSize = associatedElements[i].DesiredSize;
keyTipPositions[i] = associatedElements[i].TranslatePoint(
new Point(
elementSize.Height / 2.0 + 2,
elementSize.Height / 2.0 + 2), AdornedElement);
}
else if (associatedElements[i] is BackstageTabItem)
{
// BackstageButton Exclusive Placement
var keyTipSize = keyTips[i].DesiredSize;
var elementSize = associatedElements[i].DesiredSize;
keyTipPositions[i] = associatedElements[i].TranslatePoint(
new Point(
5,
elementSize.Height / 2.0 - keyTipSize.Height), AdornedElement);
}
else if (((FrameworkElement)associatedElements[i]).Parent is BackstageTabControl)
{
// Backstage Items Exclusive Placement
var keyTipSize = keyTips[i].DesiredSize;
var elementSize = associatedElements[i].DesiredSize;
keyTipPositions[i] = associatedElements[i].TranslatePoint(
new Point(
20,
elementSize.Height / 2.0 - keyTipSize.Height), AdornedElement);
}
else
{
if ((RibbonAttachedProperties.GetRibbonSize(associatedElements[i]) != RibbonControlSize.Large) ||
(associatedElements[i] is Spinner) ||
(associatedElements[i] is ComboBox) ||
(associatedElements[i] is TextBox) ||
(associatedElements[i] is CheckBox))
{
var withinRibbonToolbar = IsWithinRibbonToolbarInTwoLine(associatedElements[i]);
var translatedPoint = associatedElements[i].TranslatePoint(new Point(keyTips[i].DesiredSize.Width / 2.0, keyTips[i].DesiredSize.Height / 2.0), AdornedElement);
// Snapping to rows if it present
if (rows != null)
{
var index = 0;
var mindistance = Math.Abs(rows[0] - translatedPoint.Y);
for (var j = 1; j < rows.Length; j++)
{
if (withinRibbonToolbar && j == 1)
{
continue;
}
var distance = Math.Abs(rows[j] - translatedPoint.Y);
if (distance < mindistance)
{
mindistance = distance;
index = j;
}
}
translatedPoint.Y = rows[index] - keyTips[i].DesiredSize.Height / 2.0;
}
keyTipPositions[i] = translatedPoint;
}
else
{
var translatedPoint = associatedElements[i].TranslatePoint(new Point(
associatedElements[i].DesiredSize.Width / 2.0 - keyTips[i].DesiredSize.Width / 2.0,
associatedElements[i].DesiredSize.Height - 8), AdornedElement);
if (rows != null)
{
translatedPoint.Y = rows[2] - keyTips[i].DesiredSize.Height / 2.0;
}
keyTipPositions[i] = translatedPoint;
}
}
}
}
/// <summary>
/// Layout logic for the given layout definition
/// </summary>
/// <param name="layoutDefinition">Current layout definition</param>
/// <param name="availableSize">Available or final size</param>
/// <param name="measure">Pass true if measure required; pass false if arrange required</param>
/// <param name="addchildren">Determines whether we have to add children to the logical and visual tree</param>
/// <returns>Final size</returns>
Size CustomLayout(RibbonToolBarLayoutDefinition layoutDefinition, Size availableSize, bool measure, bool addchildren)
{
bool arrange = !measure;
double availableHeight = Double.IsPositiveInfinity(availableSize.Height) ? 0 : availableSize.Height;
// Clear separator cahce
if (addchildren)
{
separatorCache.Clear();
}
// Get the first control and measure, its height accepts as row height
double rowHeight = GetRowHeight(layoutDefinition);
// Calculate whitespace
int rowCountInColumn = Math.Min(layoutDefinition.RowCount, layoutDefinition.Rows.Count);
double whitespace = (availableHeight - ((double)rowCountInColumn * rowHeight)) / (double)(rowCountInColumn + 1);
double y = 0;
double x = 0;
double currentRowBegin = 0;
double currentMaxX = 0;
double maxy = 0;
for (int rowIndex = 0; rowIndex < layoutDefinition.Rows.Count; rowIndex++)
{
RibbonToolBarRow row = layoutDefinition.Rows[rowIndex];
x = currentRowBegin;
if (rowIndex % rowCountInColumn == 0)
{
// Reset vars at new column
x = currentRowBegin = currentMaxX;
y = 0;
if (rowIndex != 0)
{
#region Add separator
Separator separator = null;
if (!separatorCache.TryGetValue(rowIndex, out separator))
{
separator = new Separator();
separator.Style = SeparatorStyle;
separatorCache.Add(rowIndex, separator);
}
if (measure)
{
separator.Height = availableHeight - separator.Margin.Bottom - separator.Margin.Top;
separator.Measure(availableSize);
}
if (arrange)
{
separator.Arrange(new Rect(x, y,
separator.DesiredSize.Width,
separator.DesiredSize.Height));
}
x += separator.DesiredSize.Width;
if (addchildren)
{
// Add control in the children
AddVisualChild(separator);
AddLogicalChild(separator);
actualChildren.Add(separator);
}
#endregion
}
}
y += whitespace;
// Measure & arrange new row
for (int i = 0; i < row.Children.Count; i++)
{
if (row.Children[i] is RibbonToolBarControlDefinition)
{
// Control Definition Case
RibbonToolBarControlDefinition controlDefinition =
(RibbonToolBarControlDefinition)row.Children[i];
FrameworkElement control = GetControl(controlDefinition);
if (control == null)
{
continue;
}
if (addchildren)
{
// Add control in the children
AddVisualChild(control);
AddLogicalChild(control);
actualChildren.Add(control);
}
if (measure)
{
// Apply Control Definition Properties
RibbonAttachedProperties.SetRibbonSize(control, RibbonAttachedProperties.GetRibbonSize(controlDefinition));
control.Width = controlDefinition.Width;
control.Measure(availableSize);
}
if (arrange)
{
control.Arrange(new Rect(x, y,
control.DesiredSize.Width,
control.DesiredSize.Height));
}
x += control.DesiredSize.Width;
}
if (row.Children[i] is RibbonToolBarControlGroupDefinition)
{
// Control Definition Case
RibbonToolBarControlGroupDefinition controlGroupDefinition =
(RibbonToolBarControlGroupDefinition)row.Children[i];
RibbonToolBarControlGroup control = GetControlGroup(controlGroupDefinition);
if (addchildren)
{
// Add control in the children
AddVisualChild(control);
AddLogicalChild(control);
actualChildren.Add(control);
}
if (measure)
{
// Apply Control Definition Properties
control.IsFirstInRow = (i == 0);
control.IsLastInRow = (i == row.Children.Count - 1);
control.Measure(availableSize);
}
if (arrange)
{
control.Arrange(new Rect(x, y,
control.DesiredSize.Width,
control.DesiredSize.Height));
}
x += control.DesiredSize.Width;
}
}
y += rowHeight;
if (currentMaxX < x)
{
currentMaxX = x;
}
if (maxy < y)
{
maxy = y;
}
}
return(new Size(currentMaxX, maxy + whitespace));
}