/// <summary>
/// Sets the editors if the widget is non-null. Otherwise,
/// current editor settings and event handlers are left intact.
/// </summary>
private static void SetEditors(EditorWidget widget)
{
if (widget == null || widget.DataContext == null)
{
return;
}
// set the widget event hookup
bool widgetExists = false;
if (_widget != null)
{
if (widget != _widget)
{
// unhook the event handler from the previous editor
_widget.EditCompleted -= OnEditorWidgetEditCompleted;
}
else
{
widgetExists = true;
}
}
if (!widgetExists)
{
// set our editor to the newly found one
_widget = widget;
_widget.EditCompleted -= OnEditorWidgetEditCompleted;
_widget.EditCompleted += OnEditorWidgetEditCompleted;
}
// manage the editor event hookup
ESRI.ArcGIS.Client.Editor editor = widget.DataContext as ESRI.ArcGIS.Client.Editor;
if (editor != null)
{
bool existing = false;
// check the last editor
if (_editor != null)
{
if (editor != _editor)
{
// unhook the event handler from the previous editor
_editor.EditCompleted -= OnEditorEditCompleted;
}
else
{
existing = true;
}
}
if (!existing)
{
// set our editor to the newly found one
_editor = editor;
_editor.EditCompleted -= OnEditorEditCompleted;
_editor.EditCompleted += OnEditorEditCompleted;
}
}
}
internal static Client.Editor FindEditorInVisualTree()
{
ESRI.ArcGIS.Client.Editor editor = null;
EditorWidget widget = View.Instance.Editor;
if (widget != null)
{
SetEditors(widget);
editor = _editor;
}
return(editor);
}
internal static void SetEditorWidget(EditorWidget widget)
{
SetEditors(widget);
}
