protected virtual void OnItemSourceChanged(DependencyPropertyChangedEventArgs e)
{
DataTable table = e.NewValue as DataTable;
this._itemSource = table;
if (!string.IsNullOrEmpty(_dataField))
{
if (table != null)
{
var componentFiller = new ComponentFiller();
componentFiller.FillComboxBox(table, _dataField, ref this.KarveComboBox);
}
}
}
private void OnDataFieldPropertyChanged(DependencyPropertyChangedEventArgs e)
{
_dataField = e.NewValue as string;
if (_itemSource != null)
{
if (!string.IsNullOrEmpty(_dataField))
{
DataColumnCollection collection = _itemSource.Columns;
if (collection.Contains(_dataField))
{
ComponentFiller componentFiller = new ComponentFiller();
componentFiller.FillComboxBox(_itemSource, _dataField, ref KarveComboBox);
}
}
}
}
private static void DataSourcePathChange(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
string path = e.NewValue as string;
object value = GetDataSource(d);
ComponentFiller filler = new ComponentFiller();
if (value != null)
{
if (value is DataTable)
{
DataTable currentTable = value as DataTable;
filler.FetchDataFieldObject(currentTable, path);
}
else
{
var propValue = ComponentUtils.GetPropValue(value, path);
if (propValue != null)
{
ComponentUtils.SetPropValue(value, path, propValue);
}
}
}
}
private void EditorTextOnLostFocus(object sender, RoutedEventArgs e)
{
if (string.IsNullOrEmpty(_previousDataArea) && (string.IsNullOrEmpty(this._currentDataArea)))
{
return;
}
if (_editorText == null)
{
_editorText = GetTemplateChild("PART_EditorText") as MultiLineTextEditor;
}
if (_editorText == null)
{
return;
}
// ok
_dataAreaChanged = _previousDataArea != _editorText.Text;
if (_dataAreaChanged)
{
_previousDataArea = _currentDataArea;
_currentDataArea = _editorText.Text;
if (_editorText.Text != null)
{
DataAreaFieldEventsArgs ev = new DataAreaFieldEventsArgs(DataAreaChangedEvent);
ev.FieldData = _editorText.Text;
ComponentFiller filler = new ComponentFiller();
var dataObject = ControlExt.GetDataSource(this);
if (dataObject == null)
{
dataObject = DataSource;
}
if (!string.IsNullOrEmpty(DataSourcePath))
{
var path = DataSourcePath;
if (string.IsNullOrEmpty(DataSourcePath))
{
path = ControlExt.GetDataSourcePath(this);
}
filler.FillDataObject(_editorText.Text, path, ref dataObject);
DataSource = dataObject;
IDictionary <string, object> valueDictionary = CreateDictionary(dataObject, _editorText.Text, _previousDataArea);
ev.ChangedValuesObjects = valueDictionary;
if (ItemChangedCommand != null)
{
ICommand ex = ItemChangedCommand;
if (ex.CanExecute(valueDictionary))
{
ex.Execute(valueDictionary);
}
}
RaiseEvent(ev);
_dataAreaChanged = false;
}
else
{
IDictionary <string, object> valueDictionary = CreateDictionary(dataObject, _editorText.Text, _previousDataArea);
if (ItemChangedCommand != null)
{
ICommand ex = ItemChangedCommand;
if (ex.CanExecute(valueDictionary))
{
ex.Execute(valueDictionary);
}
}
}
}
}
}