verdere refactoring

2026-09-03 17:03:20 +02:00
parent bd1ef6bed0
commit 3684c5ddbf
8 changed files with 534 additions and 288 deletions
@@ -0,0 +1,62 @@
+"use strict";
+
+/** Coordinate CMap routes, parent contexts and browser-history state. */
+export class CmapNavigationController {
+  constructor({ navigateToHash, cmapRoute, getEditor, getCurrentMap,
+    getParentMap, storage, historyObject = window.history, locationObject = window.location }) {
+    this.navigateToHash = navigateToHash;
+    this.cmapRoute = cmapRoute;
+    this.getEditor = getEditor;
+    this.getCurrentMap = getCurrentMap;
+    this.getParentMap = getParentMap;
+    this.storage = storage;
+    this.history = historyObject;
+    this.location = locationObject;
+  }
+
+  open(slug) {
+    return this.navigateToHash(this.cmapRoute(slug));
+  }
+
+  openLinked(record) {
+    if (!record?.cmapSlug) return false;
+    this.rememberContext();
+    this.open(record.cmapSlug).catch((error) => console.error(error));
+    return true;
+  }
+
+  openParent() {
+    const source = this.getParentMap();
+    if (source?.slug) {
+      this.open(source.slug).catch((error) => console.error(error));
+      return true;
+    }
+    const editor = this.getEditor();
+    return Boolean(editor?.openParentMap());
+  }
+
+  requestTransition(action) {
+    return this.storage.requestTransition(action);
+  }
+
+  rememberContext() {
+    const editor = this.getEditor();
+    const current = this.getCurrentMap();
+    const root = editor?.activeMapRoot;
+    if (!current?.slug || !root) return;
+    this.history.replaceState({ ...this.history.state, cmapContext: {
+      mapSlug: current.slug,
+      rootItemId: Number(root.id)
+    } }, "", this.location.href);
+  }
+
+  async restoreContext(slug) {
+    const context = this.history.state?.cmapContext;
+    if (!context || context.mapSlug !== slug) return false;
+    const editor = this.getEditor();
+    const root = editor?.itemRecord(context.rootItemId);
+    if (root?.kind === "submap" && root.separateMap) editor.openSubmapMap(root);
+    this.history.replaceState({ ...this.history.state, cmapContext: null }, "", this.location.href);
+    return true;
+  }
+}