From b470f44bcff3da2e6c8b58feb2a6e00e865d7b53 Mon Sep 17 00:00:00 2001
From: Stephan Schwaer
Date: Tue, 6 Oct 2015 16:21:31 +0200
Subject: [client] Allow saving of lecture changes if date period is invalid
 but dates haven't changed.

---
 .../org/openslx/dozmod/gui/window/LectureDetailsWindow.java  | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java
index 071697cd..70cdc6ad 100644
--- a/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java
+++ b/dozentenmodul/src/main/java/org/openslx/dozmod/gui/window/LectureDetailsWindow.java
@@ -543,6 +543,16 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 		return false;
 	}
 
+	/**
+	 * Check whether the date has been changed
+	 * 
+	 * @return true if it has changed, false otherwise
+	 */
+	private boolean dateHasChanged() {
+		return (DateTimeHelper.getDateFrom(startDate, startTime).getTime() / 1000L) != lecture.getStartTime()
+				|| (DateTimeHelper.getDateFrom(endDate, endTime).getTime() / 1000L) != lecture.getEndTime();
+	}
+
 	/**
 	 * Checks whether the user changed any fields of the image details and
 	 * enables the save button if so.
@@ -581,7 +591,7 @@ public class LectureDetailsWindow extends LectureDetailsWindowLayout implements
 		// Date stuff
 		Date start = DateTimeHelper.getDateFrom(startDate, startTime);
 		Date end = DateTimeHelper.getDateFrom(endDate, endTime);
-		if (!isPeriodValid(start, end, false)) {
+		if (!isPeriodValid(start, end, false) && dateHasChanged()) {
 			lblError.setText("Ungültiger Zeitraum!");
 			return false;
 		}
-- 
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