/// <summary>
/// Updates specified item PropertyName with the data from data object property specified by DataMember.
/// </summary>
/// <param name="dataManager">CurrencyManager to use</param>
/// <param name="item">Item to set PropertyName on.</param>
/// <param name="data">Data to retrieve DataMember value from.</param>
public void Update(ItemVisualGenerator generator, object item, object data)
{
string propertyName = _PropertyName;
if (item is BaseItem && _PropertyPath.Length > 1)
{
// Dig into child items
BaseItem parent = (BaseItem)item;
for (int i = 0; i < _PropertyPath.Length - 1; i++)
{
parent = parent.SubItems[_PropertyPath[i]];
}
item = parent;
propertyName = _PropertyPath[_PropertyPath.Length - 1];
}
PropertyInfo targetProp = item.GetType().GetProperty(propertyName);
if (targetProp.PropertyType == typeof(string))
targetProp.SetValue(item, GetDataText(generator, data, _DataMember), null);
else
targetProp.SetValue(item, GetPropertyValue(generator, data, _DataMember), null);
}
private void EnsureBindingGenerator()
{
if (_BindingGenerator == null)
{
_BindingGenerator = new ItemVisualGenerator(this);
_BindingGenerator.VisualTemplate = GetItemTemplate();
}
}
private string GetDataText(ItemVisualGenerator generator, object data, string fieldName)
{
object propertyValue = GetPropertyValue(generator, data, fieldName);
return GetDataText(generator, data, fieldName, propertyValue);
}
private object GetPropertyValue(ItemVisualGenerator generator, object data, string fieldName)
{
if ((data != null) && (fieldName.Length > 0))
{
try
{
PropertyDescriptor descriptor;
if (generator.DataManager != null)
{
descriptor = generator.DataManager.GetItemProperties().Find(fieldName, true);
}
else
{
descriptor = TypeDescriptor.GetProperties(data).Find(fieldName, true);
}
if (descriptor != null)
{
data = descriptor.GetValue(data);
}
}
catch
{
}
}
if (data == DBNull.Value && _NullValue != null)
return _NullValue;
return data;
}
private string GetDataText(ItemVisualGenerator generator, object data, string fieldName, object propertyValue)
{
if (!_FormattingEnabled)
{
if (data == null)
{
return string.Empty;
}
if (propertyValue == null)
{
return "";
}
return Convert.ToString(propertyValue, CultureInfo.CurrentCulture);
}
DataConvertEventArgs e = new DataConvertEventArgs(propertyValue, typeof(string), data, fieldName);
this.OnFormat(e);
if ((e.Value != data) && (e.Value is string))
{
return (string)e.Value;
}
if (stringTypeConverter == null)
{
stringTypeConverter = TypeDescriptor.GetConverter(typeof(string));
}
try
{
return (string)FormatHelper.FormatObject(propertyValue, typeof(string), generator.GetFieldConverter(fieldName), stringTypeConverter, _FormatString, _FormatInfo, null, DBNull.Value);
}
catch (Exception ex)
{
if (ex is SecurityException || IsCriticalException(ex))
{
throw;
}
return ((propertyValue != null) ? Convert.ToString(data, CultureInfo.CurrentCulture) : "");
}
}
