ImageGallery and VideoGallery on mobiel media page are now collapsable

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/mobile/partials/imagegallery/ImageGallery.java

@@ -22,11 +22,13 @@ public class ImageGallery extends Composite {
     @UiField SectionHeaderContent sectionHeaderUi;
     @UiField DivElement firstColumnUi;
     @UiField DivElement secondColumnUi;
+    private final MobileSection mobileSection;
     
     public ImageGallery() {
         ImageGalleryResources.INSTANCE.css().ensureInjected();
-        initWidget(uiBinder.createAndBindUi(this));
+        initWidget(mobileSection = uiBinder.createAndBindUi(this));
         sectionHeaderUi.setSectionTitle(StringMessages.INSTANCE.images());
+        sectionHeaderUi.initCollapsibility(mobileSection.getContentContainerElement(), true);
     }
     
     public void setImages(Collection<? extends ImageDTO> images) {

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/mobile/partials/section/MobileSection.java

@@ -2,6 +2,7 @@ package com.sap.sailing.gwt.home.mobile.partials.section;
 
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.dom.client.DivElement;
+import com.google.gwt.dom.client.Element;
 import com.google.gwt.uibinder.client.UiBinder;
 import com.google.gwt.uibinder.client.UiChild;
 import com.google.gwt.uibinder.client.UiField;
@@ -63,4 +64,8 @@ public class MobileSection extends Composite {
             sectionContentHolderUi.removeClassName(local_res.css().edgeToEdgeSectionContentHolder());
         }
     }
+    
+    public Element getContentContainerElement() {
+        return sectionContentHolderUi;
+    }
 }

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/home/mobile/partials/videogallery/VideoGallery.java

@@ -25,6 +25,7 @@ public class VideoGallery extends Composite {
         VideoGalleryResources.INSTANCE.css().ensureInjected();
         initWidget(mobileSection = uiBinder.createAndBindUi(this));
         sectionHeaderUi.setSectionTitle(StringMessages.INSTANCE.videos());
+        sectionHeaderUi.initCollapsibility(mobileSection.getContentContainerElement(), true);
     }
     
     public void setVideos(Collection<? extends VideoDTO> videos) {