view/src/main/java/se/su/dsv/scipro/finalseminar/SeminarOppositionPanel.html

@@ -34,6 +34,20 @@
                             <button wicket:id="submit" type="submit" class="btn btn-sm btn-success">
                                 <wicket:message key="submit"/>
                             </button>
+                            <a class="btn btn-outline-secondary btn-sm" wicket:id="request_improvements">
+                                Request improvements
+                            </a>
+                        </form>
+
+                        <form wicket:id="request_improvements">
+                            <div class="mb-3">
+                                <label class="form-label" wicket:for="feedback_to_opponent">
+                                    Provide feedback to the opponent on how to improve the opposition
+                                </label>
+                                <textarea class="form-control" wicket:id="feedback_to_opponent" rows="8"></textarea>
+                            </div>
+                            <button class="btn btn-sm btn-success">Request improvements</button>
+                            <a class="btn btn-outline-secondary btn-sm" wicket:id="cancel">Cancel</a>
                         </form>
 
                         <div wicket:id="gradeContainer">

view/src/main/java/se/su/dsv/scipro/finalseminar/SeminarOppositionPanel.java

@@ -6,6 +6,7 @@ import java.util.Date;
 import java.util.List;
 import java.util.Objects;
 import org.apache.wicket.ajax.AjaxRequestTarget;
+import org.apache.wicket.ajax.markup.html.AjaxLink;
 import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
 import org.apache.wicket.feedback.FencedFeedbackPanel;
 import org.apache.wicket.markup.html.WebMarkupContainer;
@@ -22,6 +23,7 @@ import org.apache.wicket.markup.html.panel.FeedbackPanel;
 import org.apache.wicket.markup.html.panel.Panel;
 import org.apache.wicket.model.IModel;
 import org.apache.wicket.model.LambdaModel;
+import org.apache.wicket.model.Model;
 import org.apache.wicket.model.ResourceModel;
 import org.apache.wicket.validation.validator.RangeValidator;
 import org.apache.wicket.validation.validator.StringValidator;
@@ -75,6 +77,9 @@ public class SeminarOppositionPanel extends Panel {
     private final WebMarkupContainer oppositionContainer;
     private final ListView<FinalSeminarOpposition> opponents;
 
+    private FinalSeminarOppositionForm gradeForm;
+    private RequestImprovementsForm requestImprovementsForm;
+
     public SeminarOppositionPanel(String id, final IModel<FinalSeminar> seminar) {
         super(id, seminar);
         this.seminar = seminar;
@@ -107,6 +112,12 @@ public class SeminarOppositionPanel extends Panel {
 
     private ListView<FinalSeminarOpposition> getOpponentsList(final IModel<List<FinalSeminarOpposition>> oppositions) {
         return new ListView<>(OPPONENTS, oppositions) {
+            {
+                // Need to reuse child list items since they contain form components
+                // and if they're recreated all the state and error messages are lost
+                setReuseItems(true);
+            }
+
             @Override
             protected void populateItem(final ListItem<FinalSeminarOpposition> item) {
                 final FinalSeminarOpposition opposition = item.getModelObject();
@@ -121,7 +132,14 @@ public class SeminarOppositionPanel extends Panel {
 
                 item.add(getRemoveLink(item.getModel()));
 
-                item.add(getFinalSeminarOppositionForm(item));
+                gradeForm = getFinalSeminarOppositionForm(item);
+                gradeForm.setOutputMarkupPlaceholderTag(true);
+                item.add(gradeForm);
+
+                requestImprovementsForm = new RequestImprovementsForm("request_improvements", item.getModel());
+                requestImprovementsForm.setVisible(false);
+                requestImprovementsForm.setOutputMarkupPlaceholderTag(true);
+                item.add(requestImprovementsForm);
 
                 if (gradingModuleIsOnForProjectType()) {
                     item.add(new SeminarOppositionReportPanel("report", item.getModel()));
@@ -277,6 +295,23 @@ public class SeminarOppositionPanel extends Panel {
                     }
                 }
             );
+
+            add(
+                new AjaxLink<Void>("request_improvements") {
+                    @Override
+                    public void onClick(AjaxRequestTarget target) {
+                        requestImprovementsForm.setVisible(true);
+                        target.add(requestImprovementsForm);
+                        gradeForm.setVisible(false);
+                        target.add(gradeForm);
+                        target.appendJavaScript(
+                            "document.getElementById('" +
+                            requestImprovementsForm.get("feedback_to_opponent").getMarkupId() +
+                            "').focus();"
+                        );
+                    }
+                }
+            );
         }
 
         @Override
@@ -298,4 +333,34 @@ public class SeminarOppositionPanel extends Panel {
     private boolean hasSubmittedOppositionReport(FinalSeminarOpposition opposition) {
         return oppositionReportService.findOrCreateReport(opposition).isSubmitted();
     }
+
+    private class RequestImprovementsForm extends Form<FinalSeminarOpposition> {
+
+        private final Model<String> feedbackToOpponentModel = new Model<>();
+
+        public RequestImprovementsForm(String id, IModel<FinalSeminarOpposition> model) {
+            super(id, model);
+            TextArea<String> feedbackToOpponentField = new TextArea<>("feedback_to_opponent", feedbackToOpponentModel);
+            feedbackToOpponentField.setRequired(true);
+            add(feedbackToOpponentField);
+
+            add(
+                new AjaxLink<Void>("cancel") {
+                    @Override
+                    public void onClick(AjaxRequestTarget target) {
+                        requestImprovementsForm.setVisible(false);
+                        target.add(requestImprovementsForm);
+                        gradeForm.setVisible(true);
+                        target.add(gradeForm);
+                    }
+                }
+            );
+        }
+
+        @Override
+        protected void onSubmit() {
+            System.out.println("Request improvements submitted");
+            System.out.println("Feedback to opponent: " + feedbackToOpponentModel.getObject());
+        }
+    }
 }