/// <summary>
/// Adds a <see cref="T:T:ReactNative.Views.TextInput.PlaceholderAdorner"/> to the adorner layer.
/// </summary>
/// <param name="adornedElement">
/// The adorned element.
/// </param>
private static void AddAdorner(Control adornedElement)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(adornedElement);
if (adornerLayer == null)
{
return;
}
var adorners = adornerLayer.GetAdorners(adornedElement);
if (adorners != null)
{
foreach (var adorner in adorners)
{
if (adorner is PlaceholderAdorner)
{
adorner.InvalidateVisual();
return;
}
}
}
var textBox = adornedElement as TextBox;
if (textBox != null)
{
adornerLayer.Add(new PlaceholderAdorner(textBox));
return;
}
var richTextBox = adornedElement as RichTextBox;
if (richTextBox != null)
{
adornerLayer.Add(new PlaceholderAdorner(richTextBox));
return;
}
var passwordBox = adornedElement as PasswordBox;
if (passwordBox != null)
{
adornerLayer.Add(new PlaceholderAdorner(passwordBox));
return;
}
// TextBox is hidden in template. Search for it.
TextBox templateTextBox = null;
templateTextBox = FindTextBox(adornedElement);
if (templateTextBox != null)
{
PlaceholderAdorner.SetText(templateTextBox, (string)PlaceholderAdorner.GetText(adornedElement));
}
}
public void SetPlaceholder(ReactTextBox view, string placeholder)
{
PlaceholderAdorner.SetText(view, placeholder);
}
public void SetPlaceholder(PasswordBox view, string placeholder)
{
PlaceholderAdorner.SetText(view, placeholder);
}
/// <summary>
/// Adds a <see cref="T:T:ReactNative.Views.TextInput.PlaceholderAdorner"/> to the adorner layer.
/// </summary>
/// <param name="adornedElement">
/// The adorned element.
/// </param>
private static void AddAdorner(Control adornedElement)
{
var adornerLayer = AdornerLayer.GetAdornerLayer(adornedElement);
if (adornerLayer == null)
{
return;
}
var reactTextBoxAdornerLayer = getUIElement(adornedElement, typeof(AdornerLayer)) as AdornerLayer;
adornerLayer = reactTextBoxAdornerLayer ?? adornerLayer;
var adorners = adornerLayer.GetAdorners(adornedElement);
if (adorners != null)
{
foreach (var adorner in adorners)
{
if (adorner is PlaceholderAdorner)
{
adorner.InvalidateVisual();
return;
}
}
}
var textBox = adornedElement as TextBox;
if (textBox != null)
{
//Get ScrollContentPresenter for ReactTextBox
var scrollContent = getUIElement(adornedElement, typeof(ScrollContentPresenter)) as ScrollContentPresenter;
if (scrollContent != null)
{
adornerLayer.Add(new PlaceholderAdorner(scrollContent, textBox));
}
else
{
adornerLayer.Add(new PlaceholderAdorner(textBox, textBox));
}
return;
}
var richTextBox = adornedElement as RichTextBox;
if (richTextBox != null)
{
//Get ScrollContentPresenter for ReactTextBox
var scrollContent = getUIElement(adornedElement, typeof(ScrollContentPresenter)) as ScrollContentPresenter;
if (scrollContent != null)
{
adornerLayer.Add(new PlaceholderAdorner(scrollContent, richTextBox));
}
else
{
adornerLayer.Add(new PlaceholderAdorner(richTextBox, richTextBox));
}
return;
}
var passwordBox = adornedElement as PasswordBox;
if (passwordBox != null)
{
var scrollContent = getUIElement(adornedElement, typeof(ScrollContentPresenter)) as ScrollContentPresenter;
if (scrollContent != null)
{
adornerLayer.Add(new PlaceholderAdorner(scrollContent, passwordBox));
}
else
{
adornerLayer.Add(new PlaceholderAdorner(passwordBox, passwordBox));
}
return;
}
// TextBox is hidden in template. Search for it.
TextBox templateTextBox = null;
templateTextBox = FindTextBox(adornedElement);
if (templateTextBox != null)
{
PlaceholderAdorner.SetText(templateTextBox, (string)PlaceholderAdorner.GetText(adornedElement));
}
}