From b8d31f82ce2fed218acd760e41c35c202ec6e57e Mon Sep 17 00:00:00 2001
From: Frank Delporte <fdelporte@azul.com>
Date: Tue, 7 May 2024 09:15:43 +0200
Subject: [PATCH] #5 add direct links to each board in the listbox

---
 .../boardinfoservice/views/BaseLayout.java    | 10 +++++--
 .../boardinfoservice/views/BoardInfoView.java | 29 ++++++++++++++-----
 2 files changed, 29 insertions(+), 10 deletions(-)

diff --git a/src/main/java/com/pi4j/boardinfoservice/views/BaseLayout.java b/src/main/java/com/pi4j/boardinfoservice/views/BaseLayout.java
index eda9d9d..e534171 100644
--- a/src/main/java/com/pi4j/boardinfoservice/views/BaseLayout.java
+++ b/src/main/java/com/pi4j/boardinfoservice/views/BaseLayout.java
@@ -105,13 +105,19 @@ public MenuItemComponent(String menuTitle, Component icon, Class<? extends Compo
             this.view = view;
             RouterLink link = new RouterLink();
             // Use Lumo classnames for various styling
-            link.addClassNames(LumoUtility.Display.FLEX, LumoUtility.Gap.XSMALL, LumoUtility.Height.MEDIUM, LumoUtility.AlignItems.CENTER, LumoUtility.Padding.Horizontal.SMALL,
+            link.addClassNames(LumoUtility.Display.FLEX,
+                    LumoUtility.Gap.XSMALL,
+                    LumoUtility.Height.MEDIUM,
+                    LumoUtility.AlignItems.CENTER,
+                    LumoUtility.Padding.Horizontal.SMALL,
                     LumoUtility.TextColor.BODY);
             link.setRoute(view);
 
             Span text = new Span(menuTitle);
             // Use Lumo classnames for various styling
-            text.addClassNames(LumoUtility.FontWeight.MEDIUM, LumoUtility.FontSize.MEDIUM, LumoUtility.Whitespace.NOWRAP);
+            text.addClassNames(LumoUtility.FontWeight.MEDIUM,
+                    LumoUtility.FontSize.MEDIUM,
+                    LumoUtility.Whitespace.NOWRAP);
 
             if (icon != null) {
                 link.add(icon);
diff --git a/src/main/java/com/pi4j/boardinfoservice/views/BoardInfoView.java b/src/main/java/com/pi4j/boardinfoservice/views/BoardInfoView.java
index 84b1d2c..89cbfa4 100644
--- a/src/main/java/com/pi4j/boardinfoservice/views/BoardInfoView.java
+++ b/src/main/java/com/pi4j/boardinfoservice/views/BoardInfoView.java
@@ -12,9 +12,8 @@
 import com.vaadin.flow.component.orderedlayout.VerticalLayout;
 import com.vaadin.flow.component.splitlayout.SplitLayout;
 import com.vaadin.flow.data.renderer.ComponentRenderer;
-import com.vaadin.flow.router.PageTitle;
-import com.vaadin.flow.router.Route;
-import com.vaadin.flow.router.RouteAlias;
+import com.vaadin.flow.router.*;
+import com.vaadin.flow.theme.lumo.LumoUtility;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
@@ -27,12 +26,13 @@
 @PageTitle("Raspberry Pi Board Information")
 @Route(value = "board-information", layout = BaseLayout.class)
 @RouteAlias(value = "", layout = BaseLayout.class)
-public class BoardInfoView extends VerticalLayout {
+public class BoardInfoView extends VerticalLayout implements HasUrlParameter<String> {
 
     private static final Logger logger = LogManager.getLogger(BoardInfoView.class);
 
     private final VerticalLayout holder = new VerticalLayout();
     private final ListBox<BoardModel> listBox = new ListBox<>();
+    private BoardModel selectedBoard;
 
     public BoardInfoView() {
         setSpacing(false);
@@ -41,11 +41,11 @@ public BoardInfoView() {
         setJustifyContentMode(JustifyContentMode.START);
 
         listBox.addValueChangeListener(e -> showBoard(e.getValue()));
-        listBox.setMinWidth(250, Unit.PIXELS);
+        listBox.setMinWidth(300, Unit.PIXELS);
         listBox.setHeightFull();
         listBox.setRenderer(new ComponentRenderer<>(board -> {
-            var lbl = new Span(board.getLabel());
-            lbl.setWidthFull();
+            var lbl = new Anchor("/board-information/" + board.getName(), board.getLabel());
+            lbl.addClassNames(LumoUtility.Gap.XSMALL, LumoUtility.TextColor.BODY);
             return lbl;
         }));
 
@@ -60,13 +60,26 @@ public BoardInfoView() {
         add(split);
     }
 
+    @Override
+    public void setParameter(BeforeEvent event, @OptionalParameter String parameter) {
+        selectedBoard = Arrays.stream(BoardModel.values())
+                .filter(bm -> bm.name().equalsIgnoreCase(parameter == null ? "" : parameter))
+                .findFirst()
+                .orElse(BoardModel.UNKNOWN);
+    }
+
     @Override
     public void onAttach(AttachEvent event) {
         var listWithoutUnknown = Arrays.stream(BoardModel.values())
                 .filter(bm -> bm != BoardModel.UNKNOWN)
                 .sorted(Comparator.comparing(BoardModel::getLabel))
                 .toList();
-        UI.getCurrent().access(() -> listBox.setItems(listWithoutUnknown));
+        UI.getCurrent().access(() -> {
+            listBox.setItems(listWithoutUnknown);
+            if (selectedBoard != BoardModel.UNKNOWN) {
+                listBox.setValue(selectedBoard);
+            }
+        });
     }
 
     private void showBoard(BoardModel boardModel) {