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Fixing code style
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@batzen
batzen committed Feb 20, 2015
1 parent c4f935a commit 70cc051
Showing 1 changed file with 141 additions and 97 deletions.
238 changes: 141 additions & 97 deletions Fluent/Controls/ScreenTip.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -7,17 +7,17 @@
// The license is available online http://fluent.codeplex.com/license
#endregion

using System;
using System.Diagnostics.CodeAnalysis;
using System.Windows;
using System.Windows.Media;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Controls.Primitives;
using System.Windows.Input;

namespace Fluent
{
using System;
using System.Diagnostics.CodeAnalysis;
using System.Windows;
using System.Windows.Media;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Controls.Primitives;
using System.Windows.Input;

/// <summary>
/// ScreenTips display the name of the control,
/// the keyboard shortcut for the control, and a brief description
Expand All @@ -37,15 +37,18 @@ public class ScreenTip : ToolTip
static ScreenTip()
{
DefaultStyleKeyProperty.OverrideMetadata(typeof(ScreenTip), new FrameworkPropertyMetadata(typeof(ScreenTip)));
StyleProperty.OverrideMetadata(typeof(ScreenTip), new FrameworkPropertyMetadata(null, new CoerceValueCallback(OnCoerceStyle)));
}
StyleProperty.OverrideMetadata(typeof(ScreenTip), new FrameworkPropertyMetadata(null, OnCoerceStyle));
}

// Coerce object style
static object OnCoerceStyle(DependencyObject d, object basevalue)
private static object OnCoerceStyle(DependencyObject d, object basevalue)
{
if (basevalue == null)
{
basevalue = (d as FrameworkElement).TryFindResource(typeof(ScreenTip));
var frameworkElement = d as FrameworkElement;
if (frameworkElement != null)
{
basevalue = frameworkElement.TryFindResource(typeof(ScreenTip));
}
}

return basevalue;
Expand All @@ -56,11 +59,11 @@ static object OnCoerceStyle(DependencyObject d, object basevalue)
/// </summary>
public ScreenTip()
{
Opened += OnToolTipOpened;
Closed += OnToolTipClosed;
CustomPopupPlacementCallback = CustomPopupPlacementMethod;
Placement = PlacementMode.Custom;
HelpLabelVisibility = Visibility.Visible;
this.Opened += this.OnToolTipOpened;
this.Closed += this.OnToolTipClosed;
this.CustomPopupPlacementCallback = this.CustomPopupPlacementMethod;
this.Placement = PlacementMode.Custom;
this.HelpLabelVisibility = Visibility.Visible;
}

#endregion
Expand All @@ -70,95 +73,130 @@ public ScreenTip()
// Calculate two variants: below and upper ribbon
CustomPopupPlacement[] CustomPopupPlacementMethod(Size popupSize, Size targetSize, Point offset)
{
if (PlacementTarget == null) return new CustomPopupPlacement[] {};
if (this.PlacementTarget == null)
{
return new CustomPopupPlacement[] { };
}

Ribbon ribbon = null;
UIElement topLevelElement = null;
FindControls(PlacementTarget, ref ribbon, ref topLevelElement);
FindControls(this.PlacementTarget, ref ribbon, ref topLevelElement);

// Exclude QAT items
bool notQuickAccessItem = !IsQuickAccessItem(PlacementTarget);
bool notContextMenuChild = !IsContextMenuChild(PlacementTarget);
double rightToLeftOffset = FlowDirection == FlowDirection.RightToLeft
var notQuickAccessItem = !IsQuickAccessItem(this.PlacementTarget);
var notContextMenuChild = !IsContextMenuChild(this.PlacementTarget);
var rightToLeftOffset = this.FlowDirection == FlowDirection.RightToLeft
? -popupSize.Width
: 0;

UIElement decoratorChild = GetDecoratorChild(topLevelElement);
var decoratorChild = GetDecoratorChild(topLevelElement);

if (notQuickAccessItem && IsRibbonAligned && (ribbon != null))
if (notQuickAccessItem
&& this.IsRibbonAligned
&& ribbon != null)
{
double belowY = ribbon.TranslatePoint(new Point(0, ribbon.ActualHeight), PlacementTarget).Y;
double aboveY = ribbon.TranslatePoint(new Point(0, 0), PlacementTarget).Y - popupSize.Height;
CustomPopupPlacement below = new CustomPopupPlacement(new Point(rightToLeftOffset, belowY + 1), PopupPrimaryAxis.Horizontal);
CustomPopupPlacement above = new CustomPopupPlacement(new Point(rightToLeftOffset, aboveY - 1), PopupPrimaryAxis.Horizontal);
return new CustomPopupPlacement[] { below, above };
var belowY = ribbon.TranslatePoint(new Point(0, ribbon.ActualHeight), this.PlacementTarget).Y;
var aboveY = ribbon.TranslatePoint(new Point(0, 0), this.PlacementTarget).Y - popupSize.Height;
var below = new CustomPopupPlacement(new Point(rightToLeftOffset, belowY + 1), PopupPrimaryAxis.Horizontal);
var above = new CustomPopupPlacement(new Point(rightToLeftOffset, aboveY - 1), PopupPrimaryAxis.Horizontal);
return new[] { below, above };
}
else if (notQuickAccessItem && IsRibbonAligned && notContextMenuChild && (!(topLevelElement is Window)) && (decoratorChild != null))

if (notQuickAccessItem
&& this.IsRibbonAligned
&& notContextMenuChild
&& topLevelElement is Window == false
&& decoratorChild != null)
{
// Placed on Popup?
double belowY = decoratorChild.TranslatePoint(new Point(0, ((FrameworkElement)decoratorChild).ActualHeight), PlacementTarget).Y;
double aboveY = decoratorChild.TranslatePoint(new Point(0, 0), PlacementTarget).Y - popupSize.Height;
CustomPopupPlacement below = new CustomPopupPlacement(new Point(rightToLeftOffset, belowY + 1), PopupPrimaryAxis.Horizontal);
CustomPopupPlacement above = new CustomPopupPlacement(new Point(rightToLeftOffset, aboveY - 1), PopupPrimaryAxis.Horizontal);
return new CustomPopupPlacement[] { below, above };
}
else
{
return new CustomPopupPlacement[] {
new CustomPopupPlacement(new Point(rightToLeftOffset, PlacementTarget.RenderSize.Height + 1), PopupPrimaryAxis.Horizontal),
new CustomPopupPlacement(new Point(rightToLeftOffset, -popupSize.Height - 1), PopupPrimaryAxis.Horizontal)};
var belowY = decoratorChild.TranslatePoint(new Point(0, ((FrameworkElement)decoratorChild).ActualHeight), this.PlacementTarget).Y;
var aboveY = decoratorChild.TranslatePoint(new Point(0, 0), this.PlacementTarget).Y - popupSize.Height;
var below = new CustomPopupPlacement(new Point(rightToLeftOffset, belowY + 1), PopupPrimaryAxis.Horizontal);
var above = new CustomPopupPlacement(new Point(rightToLeftOffset, aboveY - 1), PopupPrimaryAxis.Horizontal);
return new[] { below, above };
}

return new[] {
new CustomPopupPlacement(new Point(rightToLeftOffset, this.PlacementTarget.RenderSize.Height + 1), PopupPrimaryAxis.Horizontal),
new CustomPopupPlacement(new Point(rightToLeftOffset, -popupSize.Height - 1), PopupPrimaryAxis.Horizontal)};
}

static bool IsContextMenuChild(UIElement element)
private static bool IsContextMenuChild(UIElement element)
{
UIElement parent = null;
do
{
parent = VisualTreeHelper.GetParent(element) as UIElement;
var parent = VisualTreeHelper.GetParent(element) as UIElement;
//if (parent is ContextMenuBar) return true;
element = parent;
}
while (element != null);
} while (element != null);

return false;
}

static bool IsQuickAccessItem(UIElement element)
private static bool IsQuickAccessItem(UIElement element)
{
UIElement parent = null;
do
{
parent = VisualTreeHelper.GetParent(element) as UIElement;
if (parent is QuickAccessToolBar) return true;
var parent = VisualTreeHelper.GetParent(element) as UIElement;
if (parent is QuickAccessToolBar)
{
return true;
}

element = parent;
}
while (element != null);
while (element != null);

return false;
}

UIElement GetDecoratorChild(UIElement popupRoot)
private static UIElement GetDecoratorChild(UIElement popupRoot)
{
if (popupRoot == null) return null;
AdornerDecorator decorator = popupRoot as AdornerDecorator;
if (decorator!=null) return decorator.Child;
if (popupRoot == null)
{
return null;
}

for (int i = 0; i < VisualTreeHelper.GetChildrenCount(popupRoot); i++)
var decorator = popupRoot as AdornerDecorator;
if (decorator != null)
{
UIElement element = GetDecoratorChild(VisualTreeHelper.GetChild(popupRoot, i) as UIElement);
if (element != null) return element;
return decorator.Child;
}

for (var i = 0; i < VisualTreeHelper.GetChildrenCount(popupRoot); i++)
{
var element = GetDecoratorChild(VisualTreeHelper.GetChild(popupRoot, i) as UIElement);
if (element != null)
{
return element;
}
}

return null;
}

void FindControls(UIElement obj, ref Ribbon ribbon, ref UIElement topLevelElement)
private static void FindControls(UIElement obj, ref Ribbon ribbon, ref UIElement topLevelElement)
{
if (obj == null) return;
Ribbon objRibbon = obj as Ribbon;
if (objRibbon!=null) ribbon = objRibbon;
if (obj == null)
{
return;
}

UIElement parentVisual = VisualTreeHelper.GetParent(obj) as UIElement;
if (parentVisual == null) topLevelElement = obj;
else FindControls(parentVisual, ref ribbon, ref topLevelElement);
var objRibbon = obj as Ribbon;
if (objRibbon != null)
{
ribbon = objRibbon;
}

var parentVisual = VisualTreeHelper.GetParent(obj) as UIElement;
if (parentVisual == null)
{
topLevelElement = obj;
}
else
{
FindControls(parentVisual, ref ribbon, ref topLevelElement);
}
}

#endregion
Expand Down Expand Up @@ -187,7 +225,7 @@ public string Title
#endregion

#region Text Property

/// <summary>
/// Gets or sets text of the screen tip
/// </summary>
Expand All @@ -210,7 +248,7 @@ public string Text
#endregion

#region DisableReason Property

/// <summary>
/// Gets or sets disable reason of the associated screen tip's control
/// </summary>
Expand All @@ -233,7 +271,7 @@ public string DisableReason
#endregion

#region HelpTopic Property

/// <summary>
/// Gets or sets help topic of the ScreenTip
/// </summary>
Expand All @@ -242,8 +280,8 @@ public string DisableReason
System.ComponentModel.Description("Help topic (it will be used to execute help)")]
public object HelpTopic
{
get { return (object)GetValue(HelpTopicProperty); }
set { SetValue(HelpTopicProperty, value); }
get { return (object)this.GetValue(HelpTopicProperty); }
set { this.SetValue(HelpTopicProperty, value); }
}

/// <summary>
Expand Down Expand Up @@ -309,7 +347,7 @@ public Visibility HelpLabelVisibility
#endregion

#region IsRibbonAligned

/// <summary>
/// Gets or set whether ScreenTip should positioned below Ribbon
/// </summary>
Expand All @@ -323,53 +361,59 @@ public bool IsRibbonAligned
/// Using a DependencyProperty as the backing store for BelowRibbon.
/// This enables animation, styling, binding, etc...
/// </summary>
public static readonly DependencyProperty IsRibbonAlignedProperty =
DependencyProperty.Register("BelowRibbon", typeof(bool), typeof(ScreenTip),
public static readonly DependencyProperty IsRibbonAlignedProperty =
DependencyProperty.Register("BelowRibbon", typeof(bool), typeof(ScreenTip),
new UIPropertyMetadata(true));


#endregion

#region F1 Help Handling

// Currently focused element
IInputElement focusedElement;
private IInputElement focusedElement;

void OnToolTipClosed(object sender, RoutedEventArgs e)
{
if (focusedElement != null)
private void OnToolTipClosed(object sender, RoutedEventArgs e)
{
if (this.focusedElement == null)
{
focusedElement.PreviewKeyDown -= OnFocusedElementPreviewKeyDown;
focusedElement = null;
return;
}

this.focusedElement.PreviewKeyDown -= this.OnFocusedElementPreviewKeyDown;
this.focusedElement = null;
}

void OnToolTipOpened(object sender, RoutedEventArgs e)
private void OnToolTipOpened(object sender, RoutedEventArgs e)
{

if (this.HelpTopic == null)
{
return;
}

if (HelpTopic != null)
this.focusedElement = Keyboard.FocusedElement;
if (this.focusedElement != null)
{
focusedElement = Keyboard.FocusedElement;
if (focusedElement != null)
{
focusedElement.PreviewKeyDown += new KeyEventHandler(OnFocusedElementPreviewKeyDown);
}
this.focusedElement.PreviewKeyDown += this.OnFocusedElementPreviewKeyDown;
}
}

void OnFocusedElementPreviewKeyDown(object sender, KeyEventArgs e)
{
if (e.Key == Key.F1)
if (e.Key != Key.F1)
{
e.Handled = true;
if (HelpPressed != null) HelpPressed(null, new ScreenTipHelpEventArgs(HelpTopic));
return;
}
}

#endregion
e.Handled = true;

if (HelpPressed != null)
{
HelpPressed(null, new ScreenTipHelpEventArgs(this.HelpTopic));
}
}

#endregion
}

/// <summary>
Expand All @@ -388,7 +432,7 @@ public class ScreenTipHelpEventArgs : EventArgs
/// <param name="helpTopic">Help topic</param>
public ScreenTipHelpEventArgs(object helpTopic)
{
HelpTopic = helpTopic;
this.HelpTopic = helpTopic;
}
}
}
}

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