Tilorswift levels can now be loaded into the running game

js/ui/LoadLevelDialog.js

@@ -0,0 +1,42 @@
+import Dialog from "../../tilorswift/js/dialog/Dialog.js";
+
+export class LoadLevelDialog extends Dialog
+{
+    constructor() {
+        super();
+
+        this.setMessage('Level laden');
+        this.fileInput = this.createFileInput(['json']);
+
+        this.onClose = () => {};
+        this.onLoad = () => {};
+
+        this.buttonLoad = this.createButton('Laden');
+        this.buttonLoad.addEventListener(
+            'click',
+            () => {
+                if (this.fileInput.files.length === 0) {
+                    return;
+                }
+
+                const reader = new FileReader();
+                reader.addEventListener(
+                    'load',
+                    (event) => {
+                        this.onClose();
+                        this.onLoad(event.target.result);
+                    }
+                )
+                reader.readAsBinaryString(this.fileInput.files[0]);
+            }
+        );
+
+        this.buttonCancel = this.createButton('Abbrechen');
+        this.buttonCancel.addEventListener(
+            'click',
+            () => {
+                this.onClose();
+            }
+        );
+    }
+}