/// <summary>
/// Data Field call back when a field has been changed
/// </summary>
/// <param name="d">Dependency object to be set</param>
/// <param name="e">Event that happens in a dependency object</param>
private static void OnDataFieldExChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
object currentSource = d.GetValue(DataSourceDependencyProperty);
string currentDataField = (string)d.GetValue(DataFieldDependencyProperty);
ComponentFiller filler = new ComponentFiller();
if (currentSource != null)
{
if (!string.IsNullOrEmpty(currentDataField))
{
if (currentSource is DataTable)
{
DataTable itemSource = (DataTable)currentSource;
string valueToFill = filler.FetchDataFieldValue(itemSource, currentDataField);
if (d is TextBox)
{
TextBox box = (TextBox)d;
box.Text = valueToFill;
}
if (d is TextBlock)
{
TextBlock block = (TextBlock)d;
block.Text = valueToFill;
}
if (d is Image)
{
object objectValueToFill = filler.FetchDataFieldObject(itemSource, currentDataField);
Image currentImage = (Image)d;
currentImage.Source = new BitmapImage(new Uri((string)objectValueToFill, UriKind.Relative));
}
}
else
{
var valueObject = filler.FetchDataFieldFromObject(currentSource, currentDataField);
if (d is TextBox)
{
TextBox box = (TextBox)d;
box.Text = valueObject as string;
}
if (d is TextBlock)
{
TextBlock block = (TextBlock)d;
block.Text = valueObject as string;
}
if (d is Image)
{
Image currentImage = (Image)d;
currentImage.Source = new BitmapImage(new Uri((string)valueObject, UriKind.Relative));
}
}
}
}
}
/// <summary>
/// This field send us a data field in case of a data source.
/// </summary>
/// <param name="d">Dependency object</param>
/// <param name="e">Data Source</param>
private static void OnDataSourceChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
object currentObject = d.GetValue(DataSourceDependencyProperty);
string dataField = (string)d.GetValue(DataFieldDependencyProperty);
ComponentFiller filler = new ComponentFiller();
if (currentObject is DataTable)
{
DataTable table = (DataTable)currentObject;
if (d is Image)
{
object current = filler.FetchDataFieldObject(table, dataField);
Image currentImage = (Image)d;
byte[] value = current as byte[];
if (value != null)
{
filler.FillImageSource(value, ref currentImage);
}
}
else
{
string value = filler.FetchDataFieldValue(table, dataField);
if (d is TextBlock)
{
TextBlock block = (TextBlock)d;
block.Text = value;
}
if (d is TextBox)
{
TextBox box = (TextBox)d;
box.Text = value;
}
}
}
else
{
// it is an object and we look for the property specified in the datafield.
Type t = currentObject.GetType();
PropertyInfo propInfo = t.GetProperty(dataField);
object currentFieldValue = filler.FetchDataFieldFromObject(currentObject, dataField);
if (currentFieldValue != null)
{
// currentFieldValue is not null.
if (d is Image)
{
Image currentImage = (Image)d;
byte[] value = currentFieldValue as byte[];
if (value != null)
{
filler.FillImageSource(value, ref currentImage);
}
// d = currentImage;
}
else
{
string value = currentFieldValue as string;
if (d is TextBlock)
{
TextBlock block = (TextBlock)d;
block.Text = value;
}
if (d is TextBox)
{
TextBox box = (TextBox)d;
box.Text = value;
}
}
}
}
}