kontor-spring/src/main/java/de/thpeetz/kontor/comics/data/Issue.java

@@ -21,7 +21,6 @@ import java.time.YearMonth;
 
 @Getter
 @Setter
-@ToString
 @EqualsAndHashCode(callSuper = false)
 @Entity
 public class Issue extends AbstractEntity {
@@ -69,4 +68,28 @@ public class Issue extends AbstractEntity {
         }
         return null;
     }
+
+    @Override
+    public String toString() {
+        StringBuilder result = new StringBuilder();
+        result.append("Issue{");
+        result.append("comic=");
+        result.append(comic);
+        result.append(", volume=");
+        result.append(volume);
+        result.append(", storyArc=");
+        result.append(storyArc);
+        result.append(", issueNumber='");
+        result.append(issueNumber);
+        result.append(", title='");
+        result.append(title);
+        result.append(", publishedOn=");
+        result.append(publishedOn);
+        result.append(", isRead=");
+        result.append(isRead);
+        result.append(", inStock=");
+        result.append(inStock);
+        result.append("}");
+        return result.toString();
+    }
 }

kontor-spring/src/main/java/de/thpeetz/kontor/comics/data/Volume.java

@@ -22,7 +22,6 @@ import lombok.ToString;
 
 @Getter
 @Setter
-@ToString
 @EqualsAndHashCode(callSuper = false)
 @Entity
 public class Volume extends AbstractEntity {
@@ -43,4 +42,15 @@ public class Volume extends AbstractEntity {
     @OneToMany(fetch = FetchType.EAGER, mappedBy = "volume", cascade = CascadeType.REMOVE, orphanRemoval = true)
     @Nullable
     private List<Issue> issues = new LinkedList<>();
+
+    @Override
+    public String toString() {
+        StringBuilder result = new StringBuilder("Volume{");
+        result.append("name=");
+        result.append(name);
+        result.append("comic=Comic{title=");
+        result.append(comic.getTitle());
+        result.append("}}");
+        return result.toString();
+    }
 }

kontor-spring/src/main/java/de/thpeetz/kontor/comics/views/IssueForm.java

@@ -18,7 +18,7 @@ import com.vaadin.flow.data.binder.Binder;
 import de.thpeetz.kontor.comics.data.Comic;
 import de.thpeetz.kontor.comics.data.Issue;
 import de.thpeetz.kontor.comics.data.Volume;
-import de.thpeetz.kontor.common.views.*;
+import de.thpeetz.kontor.common.views.YearMonthField;
 import lombok.extern.slf4j.Slf4j;
 
 @Slf4j
@@ -38,12 +38,21 @@ public class IssueForm extends FormLayout {
 
     Binder<Issue> binder = new BeanValidationBinder<>(Issue.class);
 
-    public IssueForm(List<Comic> comics) {
+    public IssueForm(List<Comic> comics, List<Volume> volumes) {
         addClassName("issue-form");
         binder.bindInstanceFields(this);
 
         comic.setItems(comics);
+        comic.addValueChangeListener(event -> {
+            if (event.getValue() != null) {
+                volume.setItems(event.getValue().getVolumes());
+            } else {
+                volume.clear();
+            }
+        });
         comic.setItemLabelGenerator(Comic::getTitle);
+        volume.setItems(volumes);
+        volume.setItemLabelGenerator(Volume::getName);
         add(comic, volume, issueNumber, title, publishedOn, isRead, inStock, createButtonsLayout());
     }
 
@@ -70,10 +79,20 @@ public class IssueForm extends FormLayout {
     }
 
     public void setIssue(Issue issue) {
-        binder.setBean(issue);
+        log.debug("IssueForm.setIssue: {}", issue);
+        Volume issueVolume = null;
         if (issue != null) {
+            issueVolume = issue.getVolume();
+        }
+        binder.setBean(issue);
+        if (issue != null && issue.getComic() != null) {
+            log.debug("populate list of volumes");
             volume.setItems(issue.getComic().getVolumes());
-            volume.setItemLabelGenerator(Volume::getName);
+            log.info("Issue.Volume= {}", issue.getVolume());
+            if (issueVolume != null) {
+                log.debug("Set volume {} for issue: {}", issueVolume, issue);
+                volume.setValue(issueVolume);
+            }
         }
     }
 

kontor-spring/src/main/java/de/thpeetz/kontor/comics/views/IssueView.java

@@ -94,7 +94,7 @@ public class IssueView extends VerticalLayout {
     }
 
     private void configureForm() {
-        form = new IssueForm(service.findAllComics(null));
+        form = new IssueForm(service.findAllComics(null), service.findAllVolumes());
         form.setWidth("25em");
         form.setVisible(false);
         form.addSaveListener(this::saveIssue);