merged with master

effects/fields/filefield.cpp

@@ -20,12 +20,15 @@
 
 #include "filefield.h"
 
+#include <QDebug>
+
 #include "ui/embeddedfilechooser.h"
 
 FileField::FileField(EffectRow* parent, const QString &id) :
   EffectField(parent, id, EFFECT_FIELD_FILE)
 {
-
+  // Set default value to an empty string
+  SetValueAt(0, "");
 }
 
 QString FileField::GetFileAt(double timecode)
@@ -43,6 +46,15 @@ QWidget *FileField::CreateWidget(QWidget *existing)
   return efc;
 }
 
+void FileField::UpdateWidgetValue(QWidget *widget, double timecode)
+{
+  EmbeddedFileChooser* efc = static_cast<EmbeddedFileChooser*>(widget);
+
+  efc->blockSignals(true);
+  efc->setFilename(GetFileAt(timecode));
+  efc->blockSignals(false);
+}
+
 void FileField::UpdateFromWidget(const QString &s)
 {
   KeyframeDataChange* kdc = new KeyframeDataChange(this);