improve filechooser L&F

src/main/java/fr/ill/ics/client/view/widget/FileChooser.java

@@ -30,6 +30,7 @@ import fr.ill.ics.core.property.Property;
 public abstract class FileChooser extends PWidget {
 
 	public static final int DISPLAY_LENGTH = 40;
+	protected static final int BUTTON_SIDE = 28;
 
 	protected final static String CHOOSER_LABEL = "...";
 	protected WidgetDescriptor widgetDescriptor;

src/main/java/fr/ill/ics/client/view/widget/swt/SWTFileChooser.java

@@ -75,6 +75,7 @@ public class SWTFileChooser extends FileChooser {
 			updateVerifyListener(property);
 			fileText.setToolTipText(property.getName() + " " + property.getContainerID());
 		}
+		button.setLayoutData(SWTWidgetFactory.getInstance().getImageGridData(BUTTON_SIDE, BUTTON_SIDE, true));
 	}