fix: Null-Sicherheitswarnungen bei eigenen Typen behoben

pom.xml

@@ -13,7 +13,7 @@
 
     <groupId>de.assecutor</groupId>
     <artifactId>workflow-editor</artifactId>
-    <version>0.9.3</version>
+    <version>0.9.5</version>
     <name>Workflow Editor</name>
     <description>n8n-inspired editor for task list workflows</description>
 

src/main/frontend/node-editor/node-editor.js

@@ -329,7 +329,9 @@ function attach(host) {
     host.classList.add('task-list-editor');
     host.innerHTML = '';
     const container = document.createElement('div');
-    container.className = 'task-list-editor-container';
+    // Drawflow prüft beim Drag-Start nur classList[0]. Nach dem Verschieben
+    // liegt der freie Hintergrund oft außerhalb des transformierten .drawflow.
+    container.className = 'parent-drawflow task-list-editor-container';
     container.style.width = '100%';
     container.style.height = '100%';
     host.appendChild(container);
@@ -476,11 +478,18 @@ function attach(host) {
         selectConnection(state, path);
     }, true);
 
-    // Rechte Maustaste: auf einem Knoten wird der Knoten verschoben (Drawflow
-    // zieht Knoten nur mit links), auf dem freien Canvas wird die gesamte
-    // Ansicht verschoben (Panning).
+    // Panning mit links und rechts über dieselben dokumentweiten Handler:
+    // Drawflow hört selbst nur am Container und verliert beim Verlassen des
+    // Canvas insbesondere das mouseup. Seine Auswahl-Logik bleibt erhalten.
     let rightDrag = null;
-    let rightPan = null;
+    let canvasPan = null;
+    editor.on('clickEnd', e => {
+        if (e.type !== 'mousedown' || e.button !== 0 || !editor.editor_selected) return;
+        editor.editor_selected = false;
+        canvasPan = { lastX: e.clientX, lastY: e.clientY, button: 0 };
+    });
+
+    // Rechte Maustaste: Knoten verschieben oder auf freiem Canvas pannen.
     container.addEventListener('mousedown', e => {
         if (e.button !== 2) return;
         e.preventDefault();
@@ -494,18 +503,30 @@ function attach(host) {
                 lastY: e.clientY
             };
         } else {
-            rightPan = { lastX: e.clientX, lastY: e.clientY };
+            canvasPan = { lastX: e.clientX, lastY: e.clientY, button: 2 };
         }
     }, true);
 
-    const onRightMove = e => {
-        if (rightPan) {
-            editor.canvas_x += e.clientX - rightPan.lastX;
-            editor.canvas_y += e.clientY - rightPan.lastY;
-            rightPan.lastX = e.clientX;
-            rightPan.lastY = e.clientY;
-            editor.precanvas.style.transform =
-                'translate(' + editor.canvas_x + 'px, ' + editor.canvas_y + 'px) scale(' + editor.zoom + ')';
+    const moveCanvas = e => {
+        editor.canvas_x += e.clientX - canvasPan.lastX;
+        editor.canvas_y += e.clientY - canvasPan.lastY;
+        canvasPan.lastX = e.clientX;
+        canvasPan.lastY = e.clientY;
+        editor.precanvas.style.transform =
+            'translate(' + editor.canvas_x + 'px, ' + editor.canvas_y + 'px) scale(' + editor.zoom + ')';
+        editor.dispatch('translate', { x: editor.canvas_x, y: editor.canvas_y });
+    };
+    const onDragMove = e => {
+        if (!canvasPan && !rightDrag) return;
+        // Auch ein außerhalb des Browserfensters verlorenes mouseup abfangen.
+        const buttonMask = canvasPan?.button === 0 ? 1 : 2;
+        if (!(e.buttons & buttonMask)) {
+            onDragEnd();
+            return;
+        }
+        if (canvasPan) {
+            e.preventDefault();
+            moveCanvas(e);
             return;
         }
         if (!rightDrag) return;
@@ -521,15 +542,20 @@ function attach(host) {
         if (data) { data.pos_x = newLeft; data.pos_y = newTop; }
         editor.updateConnectionNodes('node-' + rightDrag.id);
     };
-    const onRightUp = () => {
+    const onDragEnd = e => {
+        if (e?.type === 'mouseup') {
+            if (e.button !== (canvasPan?.button ?? 2)) return;
+            if (canvasPan) moveCanvas(e);
+        }
         // Ein per Rechts-Drag verschobener Knoten löst Drawflows nodeMoved
         // nicht aus -> Undo-Schnappschuss hier ablegen.
         if (rightDrag && rightDrag.moved) recordHistory(state);
         rightDrag = null;
-        rightPan = null;
+        canvasPan = null;
     };
-    document.addEventListener('mousemove', onRightMove);
-    document.addEventListener('mouseup', onRightUp);
+    document.addEventListener('mousemove', onDragMove, true);
+    document.addEventListener('mouseup', onDragEnd, true);
+    window.addEventListener('blur', onDragEnd);
 
     // Rechts dient nur zum Verschieben: Browser-Kontextmenü unterdrücken und
     // das Event in der Capture-Phase stoppen, bevor Drawflows eigener
@@ -598,8 +624,9 @@ function attach(host) {
         }
         document.removeEventListener('keydown', deleteSelectedConnection);
         document.removeEventListener('keydown', undoKeyHandler);
-        document.removeEventListener('mousemove', onRightMove);
-        document.removeEventListener('mouseup', onRightUp);
+        document.removeEventListener('mousemove', onDragMove, true);
+        document.removeEventListener('mouseup', onDragEnd, true);
+        window.removeEventListener('blur', onDragEnd);
         container.removeEventListener('wheel', onWheelZoom, { capture: true });
     };
 

src/main/java/de/assecutor/tasklisteditor/model/BlockTypeRegistry.java

@@ -307,7 +307,7 @@ public class BlockTypeRegistry {
     public synchronized int nextCustomTaskType(Collection<Integer> reserved) {
         var occupied = new HashSet<>(reserved);
         types.values().forEach(type -> occupied.add(type.taskType()));
-        int highest = occupied.stream().mapToInt(Integer::intValue).max().orElse(CUSTOM_TYPE_START - 1);
+        int highest = occupied.stream().mapToInt(value -> value.intValue()).max().orElse(CUSTOM_TYPE_START - 1);
         int next = highest < Integer.MAX_VALUE - 1 ? Math.max(CUSTOM_TYPE_START, highest + 1) : CUSTOM_TYPE_START;
         while (occupied.contains(next)) next++;
         return next;

src/main/java/de/assecutor/tasklisteditor/service/CustomTypeValidator.java

@@ -48,7 +48,9 @@ public final class CustomTypeValidator {
     }
 
     private static void validateProperties(JsonNode properties, BlockType base) {
-        require(properties != null && properties.isArray(), "properties must be an array");
+        if (properties == null || !properties.isArray()) {
+            throw new IllegalArgumentException("properties must be an array");
+        }
         require(properties.size() == base.properties().size(), "Properties must match the base type");
         Set<String> ids = new HashSet<>();
         for (JsonNode property : properties) {
@@ -65,7 +67,9 @@ public final class CustomTypeValidator {
     }
 
     private static void validateDefault(JsonNode value, PropertyType type) {
-        require(value != null, "defaultValue is required");
+        if (value == null) {
+            throw new IllegalArgumentException("defaultValue is required");
+        }
         // Leere Vorgaben sind erlaubt; die Eingabefelder behandeln sie wie einen leeren Wert.
         if (value.isNull()) {
             return;
@@ -100,15 +104,17 @@ public final class CustomTypeValidator {
 
     private static String text(JsonNode object, String field, boolean allowBlank) {
         JsonNode value = object.get(field);
-        require(value != null && value.isTextual() && (allowBlank || !value.textValue().isBlank()),
-                field + " must be a string" + (allowBlank ? "" : " and not blank"));
+        if (value == null || !value.isTextual() || (!allowBlank && value.textValue().isBlank())) {
+            throw new IllegalArgumentException(field + " must be a string" + (allowBlank ? "" : " and not blank"));
+        }
         return value.textValue();
     }
 
     private static int integer(JsonNode object, String field) {
         JsonNode value = object.get(field);
-        require(value != null && value.isIntegralNumber() && value.canConvertToInt(),
-                field + " must be an integer");
+        if (value == null || !value.isIntegralNumber() || !value.canConvertToInt()) {
+            throw new IllegalArgumentException(field + " must be an integer");
+        }
         return value.intValue();
     }