/// <summary>
 /// Updates currently chosen recipe.
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 public void recipesGrid_CurrentCellChanged(object sender, EventArgs e)
 {
     if (recipesDataGrid.CurrentCell.IsValid)
     {
         Recipe currentlyChosenRecipe = recipesDataGrid.CurrentCell.Item as Recipe;
         if (currentlyChosenRecipe != null && (currentlyChosenRecipe != this.currentlyChosenRecipe))
         {
             this.currentlyChosenRecipe = (from r in db.Recipes where r.recipeId == currentlyChosenRecipe.recipeId select r).SingleOrDefault();
             youTubeTabButton.IsEnabled = true;
             startupComment.Visibility  = Visibility.Collapsed;
             if (this.currentlyChosenRecipe != null)
             {
                 if (this.currentYouTubeWindow != null)
                 {
                     this.currentYouTubeWindow.Close();
                     rightFrame.Content = null;
                 }
                 if (this.currentRecipesWindow != null)
                 {
                     this.currentRecipesWindow.Close();
                     recipesFrame.Content = null;
                 }
                 if (this.currentRecipePrepareWindow != null)
                 {
                     this.currentRecipesWindow.Close();
                     recipePrepareFrame.Content = null;
                 }
                 this.currentRecipesWindow = new RecipesWindow(this.currentlyChosenRecipe.recipeId)
                 {
                     Owner = this
                 };
                 recipesFrame.Content = this.currentRecipesWindow.Content;
                 if (this.currentRecipePrepareWindow != null)
                 {
                     this.currentRecipePrepareWindow.Close();
                 }
                 this.currentRecipePrepareWindow = new RecipePrepareWindow(this.currentlyChosenRecipe)
                 {
                     Owner = this
                 };
                 recipePrepareFrame.Content = this.currentRecipePrepareWindow.Content;
             }
         }
     }
 }
        /// <summary>
        /// Fills suppliesDataGrid with supplies from database.
        /// </summary>
        public void BindSupplies()
        {
            var supplies = from supply in db.Supplies
                           select new
            {
                supply.measurementQuantity,
                supply.MeasurementUnit.measurementDescription,
                supply.Ingredient.ingredientName
            };

            suppliesDataGrid.ItemsSource = supplies.ToArray();
            if (this.currentRecipePrepareWindow != null && this.currentlyChosenRecipe != null)
            {
                this.currentRecipePrepareWindow = new RecipePrepareWindow(this.currentlyChosenRecipe)
                {
                    Owner = this
                };
                recipePrepareFrame.Content = this.currentRecipePrepareWindow.Content;
            }
        }