void CustomizeStackPanel(StackPanel stackPanel, RatingControlStates state)
{
foreach (UIElement child in stackPanel.Children)
{
CustomizeRatingItem(child, state);
}
}
ImageSource GetAppropriateImageSource(RatingControlStates type)
{
if (!IsItemInfoPresentAndImageInfo())
{
Debug.Assert(false, "Runtime error, tried to retrieve an image when the ItemInfo is not a RatingItemImageInfo");
}
RatingItemImageInfo imageInfo = (RatingItemImageInfo)ItemInfo;
switch (type)
{
case RatingControlStates.Disabled:
return(GetNextImageIfNull(imageInfo.DisabledImage, RatingControlStates.Set));
case RatingControlStates.PointerOverSet:
return(GetNextImageIfNull(imageInfo.PointerOverImage, RatingControlStates.Set));
case RatingControlStates.PointerOverPlaceholder:
return(GetNextImageIfNull(imageInfo.PointerOverPlaceholderImage, RatingControlStates.Placeholder));
case RatingControlStates.Placeholder:
return(GetNextImageIfNull(imageInfo.PlaceholderImage, RatingControlStates.Set));
case RatingControlStates.Unset:
return(GetNextImageIfNull(imageInfo.UnsetImage, RatingControlStates.Set));
case RatingControlStates.Null:
return(null);
default:
return(imageInfo.Image); // "Set" state
}
}
string GetAppropriateGlyph(RatingControlStates type)
{
if (!IsItemInfoPresentAndFontInfo())
{
Debug.Fail("Runtime error, tried to retrieve a glyph when the ItemInfo is not a RatingItemGlyphInfo");
}
RatingItemFontInfo rifi = (RatingItemFontInfo)ItemInfo;
switch (type)
{
case RatingControlStates.Disabled:
return(GetNextGlyphIfNull(rifi.DisabledGlyph, RatingControlStates.Set));
case RatingControlStates.PointerOverSet:
return(GetNextGlyphIfNull(rifi.PointerOverGlyph, RatingControlStates.Set));
case RatingControlStates.PointerOverPlaceholder:
return(GetNextGlyphIfNull(rifi.PointerOverPlaceholderGlyph, RatingControlStates.Placeholder));
case RatingControlStates.Placeholder:
return(GetNextGlyphIfNull(rifi.PlaceholderGlyph, RatingControlStates.Set));
case RatingControlStates.Unset:
return(GetNextGlyphIfNull(rifi.UnsetGlyph, RatingControlStates.Set));
case RatingControlStates.Null:
return(string.Empty);
default:
return(rifi.Glyph); // "Set" state
}
}
private string GetAppropriateGlyph(RatingControlStates type)
{
if (!IsItemInfoPresentAndFontInfo())
{
throw new InvalidOperationException("Runtime error, tried to retrieve a glyph when the ItemInfo is not a RatingItemGlyphInfo");
}
RatingItemFontInfo rifi = ItemInfo as RatingItemFontInfo;
switch (type)
{
case RatingControlStates.Disabled:
return(GetNextGlyphIfNull(rifi.DisabledGlyph, RatingControlStates.Set));
case RatingControlStates.PointerOverSet:
return(GetNextGlyphIfNull(rifi.PointerOverGlyph, RatingControlStates.Set));
case RatingControlStates.PointerOverPlaceholder:
return(GetNextGlyphIfNull(rifi.PointerOverPlaceholderGlyph, RatingControlStates.Placeholder));
case RatingControlStates.Placeholder:
return(GetNextGlyphIfNull(rifi.PlaceholderGlyph, RatingControlStates.Set));
case RatingControlStates.Unset:
return(GetNextGlyphIfNull(rifi.UnsetGlyph, RatingControlStates.Set));
case RatingControlStates.Null:
return(null);
default:
return(rifi.Glyph); // "Set" state
}
}
private void CustomizeRatingItem(UIElement ui, RatingControlStates type)
{
if (IsItemInfoPresentAndFontInfo())
{
var textBlock = ui as TextBlock;
if (textBlock != null)
{
textBlock.FontFamily = FontFamily;
textBlock.Text = GetAppropriateGlyph(type);
}
}
else if (IsItemInfoPresentAndImageInfo())
{
var image = ui as Image;
if (image != null)
{
image.Source = GetAppropriateImageSource(type);
image.Width = RenderingRatingFontSize(); //
image.Height = RenderingRatingFontSize(); // MSFT #10030063 Replacing with Rating size DPs
}
}
else
{
throw new InvalidOperationException("ItemInfo property is null");
}
}
Geometry GetAppropriatePathData(RatingControlStates type)
{
if (!IsItemInfoPresentAndPathInfo())
{
Debug.Assert(false, "Runtime error, tried to retrieve a geometry when the ItemInfo is not a RatingItemPathInfo");
}
RatingItemPathInfo pathInfo = (RatingItemPathInfo)ItemInfo;
switch (type)
{
case RatingControlStates.Disabled:
return(GetNextGeometryIfNull(pathInfo.DisabledData, RatingControlStates.Set));
case RatingControlStates.PointerOverSet:
return(GetNextGeometryIfNull(pathInfo.PointerOverData, RatingControlStates.Set));
case RatingControlStates.PointerOverPlaceholder:
return(GetNextGeometryIfNull(pathInfo.PointerOverPlaceholderData, RatingControlStates.Placeholder));
case RatingControlStates.Placeholder:
return(GetNextGeometryIfNull(pathInfo.PlaceholderData, RatingControlStates.Set));
case RatingControlStates.Unset:
return(GetNextGeometryIfNull(pathInfo.UnsetData, RatingControlStates.Set));
case RatingControlStates.Null:
return(null);
default:
return(pathInfo.Data); // "Set" state
}
}
void CustomizeRatingItem(UIElement ui, RatingControlStates type)
{
if (IsItemInfoPresentAndFontInfo())
{
if (ui is TextBlock textBlock)
{
textBlock.FontFamily = FontFamily;
textBlock.Text = GetAppropriateGlyph(type);
}
}
else if (IsItemInfoPresentAndImageInfo())
{
if (ui is Image image)
{
image.Source = GetAppropriateImageSource(type);
image.Width = RenderingRatingFontSize; //
image.Height = RenderingRatingFontSize; // MSFT #10030063 Replacing with Rating size DPs
}
}
else if (IsItemInfoPresentAndPathInfo())
{
if (ui is FontIconFallback pathControl)
{
pathControl.Data = GetAppropriatePathData(type);
}
}
else
{
Debug.Fail("Runtime error, ItemInfo property is null");
}
}
ImageSource GetNextImageIfNull(ImageSource image, RatingControlStates fallbackType)
{
if (image == null)
{
if (fallbackType == RatingControlStates.Null)
{
return(null);
}
return(GetAppropriateImageSource(fallbackType));
}
return(image);
}
string GetNextGlyphIfNull(string glyph, RatingControlStates fallbackType)
{
if (string.IsNullOrEmpty(glyph))
{
if (fallbackType == RatingControlStates.Null)
{
return(string.Empty);
}
return(GetAppropriateGlyph(fallbackType));
}
return(glyph);
}
Geometry GetNextGeometryIfNull(Geometry geometry, RatingControlStates fallbackType)
{
if (geometry == null)
{
if (fallbackType == RatingControlStates.Null)
{
return(null);
}
return(GetAppropriatePathData(fallbackType));
}
return(geometry);
}
void PopulateStackPanelWithItems(string templateName, StackPanel stackPanel, RatingControlStates state)
{
object lookup = Application.Current.FindResource(templateName);
var dt = (DataTemplate)lookup;
for (int i = 0; i < MaxRating; i++)
{
if (dt.LoadContent() is UIElement ui)
{
CustomizeRatingItem(ui, state);
stackPanel.Children.Add(ui);
ApplyScaleExpressionAnimation(ui, i);
}
}
}
private void PopulateStackPanelWithItems(string templateName, StackPanel stackPanel, RatingControlStates state)
{
object lookup = Application.Current.Resources.Lookup(templateName);
var dt = lookup as DataTemplate;
for (int i = 0; i < MaxRating; i++)
{
var ui = dt.LoadContent() as UIElement;
if (ui != null)
{
CustomizeRatingItem(ui, state);
stackPanel.Children.Add(ui);
ApplyScaleExpressionAnimation(ui, i);
}
}
}