refactoring of cmaps, widgets, etc.

2026-09-02 16:06:26 +02:00
parent 38f255c1a4
commit f0562a06cc
52 changed files with 3626 additions and 2642 deletions
@@ -0,0 +1,44 @@
+/**
+ * Ask how pending CMap changes should be handled before navigation.
+ *
+ * Each call to choose resolves once with "save", "discard" or "cancel".
+ * Saving and discarding remain workspace responsibilities because they change
+ * the active editor and persistence state.
+ */
+export class CmapUnsavedDialog {
+  constructor(dialog) {
+    this.dialog = dialog;
+    this.resolveChoice = null;
+
+    dialog.querySelector("#cmap-unsaved-save")
+      .addEventListener("click", () => this.finish("save"));
+    dialog.querySelector("#cmap-unsaved-discard")
+      .addEventListener("click", () => this.finish("discard"));
+    dialog.querySelector("#cmap-unsaved-cancel")
+      .addEventListener("click", () => this.finish("cancel"));
+    dialog.addEventListener("cancel", (event) => {
+      event.preventDefault();
+      this.finish("cancel");
+    });
+  }
+
+  choose() {
+    if (this.resolveChoice) return Promise.resolve("cancel");
+    this.dialog.showModal();
+    return new Promise((resolve) => {
+      this.resolveChoice = resolve;
+    });
+  }
+
+  chooseSave() {
+    this.finish("save");
+  }
+
+  finish(choice) {
+    const resolve = this.resolveChoice;
+    if (!resolve) return;
+    this.resolveChoice = null;
+    this.dialog.close();
+    resolve(choice);
+  }
+}