/// <summary>
/// Load a ThemeElement into the application dictionnaries
/// </summary>
/// <param name="themeResource"></param>
public void LoadThemeResource(ThemeElement themeResource)
{
Tracer.Verbose("ThemeManager:LoadThemeResource", "START");
//TraceDictionnaries();
Application.Current.Resources.BeginInit();
try
{
//unload the previous same resource type, load the new one
LoadDictionaries(ThemeElements.Where(p => p.Group == themeResource.Group && p.IsSelected == true).First(),
themeResource);
}
catch (Exception all)
{
Tracer.Error("ThemeManager.LoadThemeResource", all);
}
Application.Current.Resources.EndInit();
//TraceDictionnaries();
Tracer.Verbose("ThemeManager:LoadThemeResource", "END");
}
/// <summary>
/// Load the specified ThemeElement in the application and set it as IsSelected
/// </summary>
/// <param name="oldThemeResource"></param>
/// <param name="newThemeResource"></param>
private void LoadDictionaries(ThemeElement oldThemeResource, ThemeElement newThemeResource)
{
Tracer.Verbose("ThemeManager:LoadDictionaries", "START");
try
{
try
{
foreach (string dictionnary in oldThemeResource.Dictionaries)
{
ResourceDictionary dic = Application.Current.Resources.MergedDictionaries.FirstOrDefault(p => p.Source.OriginalString == dictionnary);
if (dic != null)
{
//does not exist in new ones
if (newThemeResource.Dictionaries.Where(p => p == dic.Source.OriginalString).Count() == 0)
{
Application.Current.Resources.MergedDictionaries.Remove(dic);
}
}
}
oldThemeResource.IsSelected = false;
}
catch (Exception all)
{
Tracer.Error("ThemeManager.LoadDictionaries", all);
}
foreach (string dictionnary in newThemeResource.Dictionaries)
{
//if does not exist in application
if (Application.Current.Resources.MergedDictionaries.Where(p => p.Source.OriginalString == dictionnary).Count() == 0)
{
Uri Source = new Uri(dictionnary, UriKind.Relative);
ResourceDictionary dico = (ResourceDictionary)Application.LoadComponent(Source);
dico.Source = Source;
Application.Current.Resources.MergedDictionaries.Add(dico);
}
}
newThemeResource.IsSelected = true;
}
catch (Exception all)
{
Tracer.Error("ThemeManager.LoadDictionaries", all);
}
Tracer.Verbose("ThemeManager:LoadDictionaries", "END");
}
/// <summary>
/// Load the specified ThemeElement in the application and set it as IsSelected
/// </summary>
/// <param name="themeResource"></param>
private void LoadDictionaries(ThemeElement themeResource)
{
Tracer.Verbose("ThemeManager:LoadDictionaries", "START");
try
{
foreach (string dictionnary in themeResource.Dictionaries)
{
if (Application.Current.Resources.MergedDictionaries.Where(p => p.Source.OriginalString == dictionnary).Count() == 0)
{
Uri Source = new Uri(dictionnary, UriKind.Relative);
ResourceDictionary dico = (ResourceDictionary)Application.LoadComponent(Source);
dico.Source = Source;
Application.Current.Resources.MergedDictionaries.Add(dico);
}
}
themeResource.IsSelected = true;
}
catch (Exception all)
{
Tracer.Error("ThemeManager.LoadDictionaries", all);
}
Tracer.Verbose("ThemeManager:LoadDictionaries", "END");
}