From f222f91f919739030f1a75aa47eefaff290f2449 Mon Sep 17 00:00:00 2001
From: ivmartel <ivmartel@gmail.com>
Date: Mon, 10 Feb 2025 12:56:26 +0100
Subject: [PATCH] Add removelayer event

---
 src/app/application.js |  1 +
 src/gui/layerGroup.js  | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/src/app/application.js b/src/app/application.js
index 3d4d87fc0b..bee122990d 100644
--- a/src/app/application.js
+++ b/src/app/application.js
@@ -1825,6 +1825,7 @@ export class App {
     // propagate layer group events
     group.addEventListener('zoomchange', this.#fireEvent);
     group.addEventListener('offsetchange', this.#fireEvent);
+    group.addEventListener('layerremove', this.#fireEvent);
     // propagate viewLayer events
     group.addEventListener('renderstart', this.#fireEvent);
     group.addEventListener('renderend', this.#fireEvent);
diff --git a/src/gui/layerGroup.js b/src/gui/layerGroup.js
index 6d5b4036ba..69debec2b3 100644
--- a/src/gui/layerGroup.js
+++ b/src/gui/layerGroup.js
@@ -841,6 +841,7 @@ export class LayerGroup {
    *   methods to define the active index.
    *
    * @param {ViewLayer | DrawLayer} layer The layer to remove.
+   * @fires LayerGroup#removelayer
    */
   removeLayer(layer) {
     // find layer
@@ -864,6 +865,21 @@ export class LayerGroup {
     this.#positionHelper = undefined;
     // update html
     layer.removeFromDOM();
+
+    /**
+     * Remove layer event.
+     *
+     * @event LayerGroup#removelayer
+     * @type {object}
+     * @property {string} type The event type.
+     * @property {string} layerid The layer id.
+     * @property {string} layergroupid The layer group id.
+     */
+    this.#fireEvent({
+      type: 'layerremove',
+      layerid: layer.getId(),
+      layergroupid: this.getDivId()
+    });
   }
 
   /**