OO-1647: wording and css enhancement for print callout

src/main/java/org/olat/commons/calendar/_i18n/LocalStrings_de.properties

@@ -21,7 +21,7 @@ cal.error.readonly=Sie haben keine Schreibrechte auf diesem Kalender
 cal.eventdetails.hidden=(verborgen)
 cal.from=Von
 cal.to=Bis
-cal.print.desc=Wählen Sie die Start und End Datum.
+cal.print.desc=W\u00E4hlen Sie Start- und Enddatum.
 cal.form.allday=Ganztags
 cal.form.begin=Beginn
 cal.form.calendarname=Kalender

src/main/java/org/olat/commons/calendar/ui/CalendarPrintController.java

@@ -65,6 +65,7 @@ public class CalendarPrintController extends FormBasicController {
 		Date end = cal.getTime();
 		
 		setFormDescription("cal.print.desc");
+		formLayout.setElementCssClass("o_sel_calendar_print_chooser");
 
 		fromEl = uifactory.addDateChooser("cal.from", start, formLayout);
 		toEl = uifactory.addDateChooser("cal.to", end, formLayout);

src/main/webapp/static/themes/light/modules/_cal.scss

@@ -27,6 +27,10 @@
 .o_cal_grey .o_cal_wv_event_header {background: #5D5D5D;}
 .o_cal_grey a { color: #FFF ! important; }
 
+.o_sel_calendar_print_chooser {
+	padding-right:4em;
+}
+
 .o_cal_config_enabled, .o_cal_config_disabled {
 	position: relative;
 	float: left; display: inline;