public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
double cellValue;
bool isValid = true;
if (value is string)
{
isValid = double.TryParse(value as string, out cellValue);
}
else
{
cellValue = System.Convert.ToDouble(value);
}
if (cellValue > 0 && isValid)
{
return(ResourceDictionaryHelper.GetResource <Color>("PriceUpColor"));
}
else if (cellValue < 0 && isValid)
{
return(ResourceDictionaryHelper.GetResource <Color>("PriceDownColor"));
}
else
{
return(ResourceDictionaryHelper.GetResource <Color>("PriceUnchangedColor"));
}
}
public static bool IsThemeDictionary(ResourceDictionary resourceDictionary)
{
if (resourceDictionary is null)
{
throw new ArgumentNullException(nameof(resourceDictionary));
}
var source = resourceDictionary.Source;
if (!(source is null))
{
if (ThemeDictionaryCache.TryGetValue(source, out var existingValue))
{
return(existingValue);
}
}
// We are not allowed to use other methods like GetThemeInstance or GetThemeName here as that would cause an endless-loop
var result = ResourceDictionaryHelper.ContainsKey(resourceDictionary, ThemeInstanceKey) ||
string.IsNullOrEmpty(ResourceDictionaryHelper.GetValueFromKey(resourceDictionary, ThemeNameKey) as string) == false;
if (!(source is null))
{
ThemeDictionaryCache[source] = result;
}
return(result);
}
protected static void SetCurrentTheme(Theme theme, IThemeColorsBase themeColors, ResourceDictionary themeResources)
{
// set the current theme colors that will be referenced by the theme styles
//CurrentTheme.Instance.ThemeColors = themeColors;
CurrentTheme.SetTheme(theme, themeColors);
// merge the XAML based light/dark theme set of styles
ResourceDictionaryHelper.MergeIntoApplicationResources(themeResources);
}
public static bool IsRuntimeGeneratedThemeDictionary(ResourceDictionary resourceDictionary)
{
if (IsThemeDictionary(resourceDictionary))
{
return((ResourceDictionaryHelper.ContainsKey(resourceDictionary, ThemeInstanceKey) && ((Theme)resourceDictionary[ThemeInstanceKey]).IsRuntimeGenerated) ||
(ResourceDictionaryHelper.ContainsKey(resourceDictionary, ThemeIsRuntimeGeneratedKey) && (bool)resourceDictionary[ThemeIsRuntimeGeneratedKey]));
}
return(false);
}
public static Theme?GetThemeInstance([NotNull] ResourceDictionary resourceDictionary)
{
if (resourceDictionary is null)
{
throw new ArgumentNullException(nameof(resourceDictionary));
}
if (IsThemeDictionary(resourceDictionary) == false)
{
return(null);
}
return(ResourceDictionaryHelper.GetValueFromKey(resourceDictionary, ThemeInstanceKey) as Theme);
}
public static string?GetThemeName(ResourceDictionary resourceDictionary)
{
if (resourceDictionary is null)
{
throw new ArgumentNullException(nameof(resourceDictionary));
}
if (IsThemeDictionary(resourceDictionary) == false)
{
return(null);
}
return(ResourceDictionaryHelper.GetValueFromKey(resourceDictionary, ThemeNameKey) as string);
}
/// <summary>
/// The on aspect view changed.
/// </summary>
public void OnAspectViewChanged()
{
// [vw::][.:<Aspect Name>:]<View Name>
// [vw::]<Object Symbol>:<Aspect Name>[:<View Name>]
// eg: <PropertyDescription Name="AspectView" Value="$'vw::C3020:Graphic Display2:Main View'" />
// 'vw::V4402:V4402_SFC:Main View'
if (!string.IsNullOrEmpty(this.AspectView))
{
var matchCollection = Regex.Split(this.AspectView, @"\$'vw::([^:]*):([^:]*):([^']*)'");
if (matchCollection.Length == 5)
{
var unit = matchCollection[1].Trim(new[] { ' ' });
var aspect = matchCollection[2].Trim(new[] { ' ' });
var view = matchCollection[3].Trim(new[] { ' ' });
this._aspectView = aspect; // Keep private copy of the parsed template id
var resource = ResourceDictionaryHelper.GetTemplate(aspect);
if (resource == null)
{
// Band-Aid?
if (view == "Main View")
{
var overview = string.Format("{0}_{1}", unit, aspect);
overview = overview.Replace(' ', '_');
resource = ResourceDictionaryHelper.GetTemplate(overview);
}
}
this.SetValue(AspectViewTemplateProperty, resource);
// If no Text parameter specified, or if specified as "", use
// the name of view's associated object
/* if (aspect != "Logic_Display")
* {
* if (string.IsNullOrEmpty(Text))
* {
* SetValue(TextProperty, unit);
* }
* }
* */
this.OnInstructorGraphicChanged();
}
// AspectView valid
}
// AspectView specified
}
public static bool IsRuntimeGeneratedThemeDictionary(ResourceDictionary resourceDictionary)
{
return(Theme.IsRuntimeGeneratedThemeDictionary(resourceDictionary) ||
(ResourceDictionaryHelper.ContainsKey(resourceDictionary, LibraryThemeInstanceKey) && ((LibraryTheme)resourceDictionary[LibraryThemeInstanceKey]).IsRuntimeGenerated));
}
public static bool IsThemeDictionary(ResourceDictionary resourceDictionary)
{
return(Theme.IsThemeDictionary(resourceDictionary) ||
ResourceDictionaryHelper.ContainsKey(resourceDictionary, LibraryThemeInstanceKey));
}
public override Color GetAlternatingRowBackgroundColor()
{
return(ResourceDictionaryHelper.GetResource <Color>("LightGrayColor_ColumnAlternating"));
}
