Pull request #1648: REPORT-30922 bugfix

Merge in DESIGN/design from ~JAVA.EDGE/design:release/10.0 to release/10.0

* commit 'cfdae7ac2256f85d671042acf8d67c13980aaa8d':
  REPORT-30922 bugfix

designer-realize/src/main/java/com/fr/design/headerfooter/HFAttributesEditDialog.java

@@ -26,12 +26,14 @@ import com.fr.design.layout.FRGUIPaneFactory;
 import com.fr.design.style.FRFontPane;
 import com.fr.design.style.FormatPane;
 import com.fr.general.ComparatorUtils;
+import com.fr.general.date.FineDateFormat;
 
 
 import javax.swing.*;
 import java.awt.*;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
+import java.text.Format;
 import java.util.ArrayList;
 
 /**
@@ -274,10 +276,16 @@ public class HFAttributesEditDialog extends BasicPane {
             ((NumberOfPageHFElement) hfElement).setFRFont(this.frFontPane.update());
         } else if (ComparatorUtils.equals(this.hfElement.getClass(),DateHFElement.class)) {
             ((DateHFElement) hfElement).setFRFont(this.frFontPane.update());
-            ((DateHFElement) hfElement).setFormat(this.formatPane.update());
+            Format format = this.formatPane.update();
+            if (format instanceof FineDateFormat) {
+                ((DateHFElement) hfElement).setFormat(format);
+            }
         } else if (ComparatorUtils.equals(this.hfElement.getClass(),TimeHFElement.class)) {
             ((TimeHFElement) hfElement).setFRFont(this.frFontPane.update());
-            ((TimeHFElement) hfElement).setFormat(this.formatPane.update());
+            Format format = this.formatPane.update();
+            if (format instanceof FineDateFormat) {
+                ((TimeHFElement) hfElement).setFormat(format);
+            }
         } else if (ComparatorUtils.equals(this.hfElement.getClass(),ImageHFElement.class)) {
             ((ImageHFElement) hfElement).setImage(this.imagePane.update());
         } else if (ComparatorUtils.equals(this.hfElement.getClass(),NewLineHFElement.class)) {