1 files changed, 20 insertions, 0 deletions
diff --git a/src/client/views/nodes/trails/PresBox.tsx b/src/client/views/nodes/trails/PresBox.tsx
index 807a19771..2c1e4429e 100644
--- a/src/client/views/nodes/trails/PresBox.tsx
+++ b/src/client/views/nodes/trails/PresBox.tsx
@@ -35,6 +35,7 @@ import { FieldView, FieldViewProps } from '../FieldView';
 import { ScriptingBox } from '../ScriptingBox';
 import './PresBox.scss';
 import { PresEffect, PresEffectDirection, PresMovement, PresStatus } from './PresEnums';
+import { BranchingTrailManager } from '../../../util/BranchingTrailManager';
 const { Howl } = require('howler');
 
 export interface pinDataTypes {
@@ -278,6 +279,19 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
             return listItems.filter(doc => !doc.unrendered);
         }
     };
+
+    // go to documents chain
+    runSubroutines = (childrenToRun: Doc[], normallyNextSlide: Doc) => {
+        console.log(childrenToRun, normallyNextSlide, 'runSUBFUNC');
+        if (childrenToRun[0] === normallyNextSlide) {
+            return;
+        }
+
+        childrenToRun.forEach(child => {
+            DocumentManager.Instance.showDocument(child, {});
+        });
+    };
+
     // Called when the user activates 'next' - to move to the next part of the pres. trail
     @action
     next = () => {
@@ -314,6 +328,11 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
             // Case 1: No more frames in current doc and next slide is defined, therefore move to next slide
             const slides = DocListCast(this.rootDoc[StrCast(this.presFieldKey, 'data')]);
             const curLast = this.selectedArray.size ? Math.max(...Array.from(this.selectedArray).map(d => slides.indexOf(DocCast(d)))) : this.itemIndex;
+
+            // before moving onto next slide, run the subroutines :)
+            const currentDoc = this.childDocs[this.itemIndex];
+            this.runSubroutines(currentDoc.getChildrenToRun?.(), this.childDocs[this.itemIndex + 1]);
+
             this.nextSlide(curLast + 1 === this.childDocs.length ? (this.layoutDoc.presLoop ? 0 : curLast) : curLast + 1);
             progressiveReveal(true); // shows first progressive document, but without a transition effect
         } else {
@@ -684,6 +703,7 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps>() {
     navigateToActiveItem = (afterNav?: () => void) => {
         const activeItem: Doc = this.activeItem;
         const targetDoc: Doc = this.targetDoc;
+        BranchingTrailManager.Instance.observeDocumentChange(targetDoc, this);
         const finished = () => {
             afterNav?.();
             console.log('Finish Slide Nav: ' + targetDoc.title);