feat: add merge function to tip containers

This may be useful if your plugin also loads tips using the TipLoader

core/src/main/java/dk/gtz/graphedit/util/TipLoader.java

@@ -0,0 +1,37 @@
+package dk.gtz.graphedit.util;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
+import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
+
+import dk.gtz.graphedit.viewmodel.Tip;
+import dk.gtz.graphedit.viewmodel.TipContainer;
+
+public class TipLoader {
+    private static final Logger logger = LoggerFactory.getLogger(TipLoader.class);
+
+    public static record Tips(ArrayList<Tip> tips) {
+    }
+
+    public static TipContainer loadTips(String tipsFile) {
+        try {
+            var mapper = new ObjectMapper(new YAMLFactory());
+            mapper.registerModule(new Jdk8Module());
+            var tips = mapper.readValue(TipLoader.class.getClassLoader().getResourceAsStream(tipsFile), Tips.class);
+            return new TipContainer(tips.tips());
+        } catch (Exception e) {
+            logger.error("Failed to load tips", e);
+            return new TipContainer(List.of(new Tip("Error", "Failed to load tips")));
+        }
+    }
+
+    public static TipContainer loadTips() {
+        return loadTips("tips/tips.yaml");
+    }
+}

core/src/main/java/dk/gtz/graphedit/viewmodel/TipContainer.java

@@ -19,6 +19,10 @@ public void add(Tip tip) {
         tips.add(tip);
     }
 
+    public void merge(TipContainer container) {
+        tips.addAll(container.tips);
+    }
+
     public int size() {
         return tips.size();
     }

graphedit/src/main/java/dk/gtz/graphedit/view/GraphEditApplication.java

@@ -13,7 +13,6 @@
 import atlantafx.base.theme.CupertinoLight;
 import ch.qos.logback.classic.Level;
 import ch.qos.logback.classic.Logger;
-import dk.gtz.graphedit.internal.TipLoader;
 import dk.gtz.graphedit.logging.EditorLogAppender;
 import dk.gtz.graphedit.logging.Toast;
 import dk.gtz.graphedit.model.ModelProject;
@@ -41,14 +40,13 @@
 import dk.gtz.graphedit.util.IObservableUndoSystem;
 import dk.gtz.graphedit.util.MouseTracker;
 import dk.gtz.graphedit.util.ObservableTreeUndoSystem;
-import dk.gtz.graphedit.util.PlatformUtils;
+import dk.gtz.graphedit.util.TipLoader;
 import dk.gtz.graphedit.viewmodel.FileBufferContainer;
 import dk.gtz.graphedit.viewmodel.IBufferContainer;
 import dk.gtz.graphedit.viewmodel.ISelectable;
 import dk.gtz.graphedit.viewmodel.LanguageServerCollection;
 import dk.gtz.graphedit.viewmodel.LintContainer;
 import dk.gtz.graphedit.viewmodel.SyntaxFactoryCollection;
-import dk.gtz.graphedit.viewmodel.Tip;
 import dk.gtz.graphedit.viewmodel.TipContainer;
 import dk.gtz.graphedit.viewmodel.ViewModelEditorSettings;
 import dk.gtz.graphedit.viewmodel.ViewModelProject;
@@ -138,10 +136,6 @@ private void setupApplication() {
 	DI.add(LintContainer.class, new LintContainer());
 	ObservableList<ISelectable> selectedElementsList = FXCollections.observableArrayList();
 	DI.add("selectedElements", selectedElementsList);
-	setupTipsOfTheDay();
-    }
-
-    private void setupTipsOfTheDay() {
 	DI.add(TipContainer.class, TipLoader.loadTips());
     }