/// <summary>
/// When overridden in a derived class, is invoked whenever application code
/// or internal processes call System.Windows.FrameworkElement.ApplyTemplate().
/// </summary>
public override void OnApplyTemplate()
{
this.UnSubscribeEvents();
// Clear cache
cachedMeasures.Clear();
LauncherButton = GetTemplateChild("PART_DialogLauncherButton") as Button;
if (LauncherButton != null)
{
if (LauncherKeys != null)
{
KeyTip.SetKeys(LauncherButton, LauncherKeys);
}
}
popup = GetTemplateChild("PART_Popup") as Popup;
downGrid = GetTemplateChild("PART_DownGrid") as Grid;
upPanel = GetTemplateChild("PART_UpPanel") as Panel;
parentPanel = GetTemplateChild("PART_ParentPanel") as Panel;
snappedImage = GetTemplateChild("PART_SnappedImage") as Image;
this.SubscribeEvents();
}
private void Show()
{
// Check whether the window is still active
// (it prevent keytips showing during Alt-Tab'ing)
if (!this.window.IsActive)
{
this.RestoreFocuses();
return;
}
this.currentUserInput = string.Empty;
this.activeAdornerChain = new KeyTipAdorner(this.ribbon, this.ribbon, null);
this.activeAdornerChain.Terminated += this.OnAdornerChainTerminated;
// Special behavior for backstage
var backstage = this.ribbon.Menu as Backstage;
if (backstage != null && backstage.IsOpen)
{
var keys = KeyTip.GetKeys(backstage);
if (!String.IsNullOrEmpty(keys))
{
this.activeAdornerChain.Forward(KeyTip.GetKeys(backstage), false);
}
else
{
this.activeAdornerChain.Attach();
}
}
else
{
this.activeAdornerChain.Attach();
}
}
static void OnDialogLauncherButtonKeyTipKeysChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
RibbonGroupBox ribbonGroupBox = (RibbonGroupBox)d;
if (ribbonGroupBox.LauncherButton != null)
{
KeyTip.SetKeys(ribbonGroupBox.LauncherButton, (string)e.NewValue);
}
}
// Updates keys for keytip access
private void UpdateKeyTips()
{
for (var i = 0; i < Math.Min(9, Items.Count); i++)
{
// 1, 2, 3, ... , 9
KeyTip.SetKeys(Items[i], (i + 1).ToString(CultureInfo.InvariantCulture));
}
for (var i = 9; i < Math.Min(18, Items.Count); i++)
{
// 09, 08, 07, ... , 01
KeyTip.SetKeys(Items[i], "0" + (18 - i).ToString(CultureInfo.InvariantCulture));
}
var startChar = 'A';
for (var i = 18; i < Math.Min(9 + 9 + 26, Items.Count); i++)
{
// 0A, 0B, 0C, ... , 0Z
KeyTip.SetKeys(Items[i], "0" + startChar++);
}
}
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;
}
}
}
}
// Find key tips on the given element
private void FindKeyTips(UIElement element, bool hide)
{
this.Log("FindKeyTips");
IEnumerable children = LogicalTreeHelper.GetChildren(element);
foreach (object item in children)
{
UIElement child = item as UIElement;
RibbonGroupBox groupBox = (child as RibbonGroupBox);
if (child != null)
{
string keys = KeyTip.GetKeys(child);
if (keys != null)
{
// Gotcha!
KeyTip keyTip = new KeyTip
{
Content = keys,
Visibility = hide
? Visibility.Collapsed
: Visibility.Visible
};
// Add to list & visual
// children collections
keyTips.Add(keyTip);
base.AddVisualChild(keyTip);
associatedElements.Add(child);
if (groupBox != null)
{
if (groupBox.State == RibbonGroupBoxState.Collapsed)
{
keyTip.Visibility = Visibility.Visible;
FindKeyTips(child, true);
continue;
}
else
{
keyTip.Visibility = Visibility.Collapsed;
}
}
else
{
// Bind IsEnabled property
Binding binding = new Binding("IsEnabled")
{
Source = child,
Mode = BindingMode.OneWay
};
keyTip.SetBinding(UIElement.IsEnabledProperty, binding);
continue;
}
}
if ((groupBox != null) &&
(groupBox.State == RibbonGroupBoxState.Collapsed))
{
FindKeyTips(child, true);
}
else
{
FindKeyTips(child, hide);
}
}
}
}
