Beispiel #1
0
        private static void OnIsShowingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            var element = (UIElement)d;

            if (Equals(e.NewValue, true))
            {
                var adorner = element.GetAdorner();
                if (adorner == null)
                {
                    adorner = TemplatedAdorner.Create(element, (ControlTemplate)element.GetValue(TemplateProperty));
                    element.SetAdorner(adorner);
                }

                AdornerService.Show(adorner);
            }
            else
            {
                var adorner = element.GetAdorner();
                if (adorner != null)
                {
                    AdornerService.Remove(adorner);
                }

                element.ClearValue(AdornerProperty);
            }
        }
Beispiel #2
0
        private static void OnIsShowingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            var element = (UIElement)d;

            if (Equals(e.NewValue, true))
            {
                var adorner = element.GetAdorner();
                if (adorner == null)
                {
                    adorner = new ContentAdorner(element);
                    element.SetAdorner(adorner);
                }

                SetIfNotNull(d, ContentProperty, adorner, ContentAdorner.ContentProperty);
                SetIfNotNull(d, ContentTemplateProperty, adorner, ContentAdorner.ContentTemplateProperty);
                SetIfNotNull(d, ContentTemplateSelectorProperty, adorner, ContentAdorner.ContentTemplateSelectorProperty);
                SetIfNotNull(d, ContentPresenterStyleProperty, adorner, ContentAdorner.ContentPresenterStyleProperty);
                AdornerService.Show(adorner);
            }
            else
            {
                var adorner = element.GetAdorner();
                if (adorner != null)
                {
                    AdornerService.Remove(adorner);
                }

                element.ClearValue(AdornerProperty);
            }
        }
Beispiel #3
0
        private static void OnIsShowingChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            ////Debug.Print($"Visible changed to: {e.NewValue}");
            var textBox = (TextBox)d;

            if (Equals(e.NewValue, true))
            {
                var adorner = textBox.GetAdorner();
                if (adorner == null)
                {
                    adorner = new WatermarkAdorner(textBox);
                    textBox.SetAdorner(adorner);
                    var textStyle = textBox.GetTextStyle();
                    if (textStyle != null)
                    {
                        adorner.SetCurrentValue(WatermarkAdorner.TextStyleProperty, textStyle);
                    }

                    AdornerService.Show(adorner);
                    textBox.SetCurrentValue(AdornerProperty, adorner);
                }
                else
                {
                    Debug.Assert(condition: false, message: "Already visible");
                }
            }
            else
            {
                var adorner = textBox.GetAdorner();
                if (adorner != null)
                {
                    AdornerService.Remove(adorner);
                    textBox.ClearValue(AdornerProperty);
                }
            }
        }