From d38f8a80cff0e7e6140fd3ff815210077718746d Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Fri, 29 Mar 2024 17:44:26 -0400
Subject: fixed capture offset to target in link following.  fixed links to
 appear in lightbox and to not disappear when dragged.

---
 src/client/views/nodes/LinkBox.tsx | 49 ++++++++++++++++++--------------------
 1 file changed, 23 insertions(+), 26 deletions(-)

(limited to 'src/client/views/nodes/LinkBox.tsx')

diff --git a/src/client/views/nodes/LinkBox.tsx b/src/client/views/nodes/LinkBox.tsx
index b5cb7a9ae..7ad250714 100644
--- a/src/client/views/nodes/LinkBox.tsx
+++ b/src/client/views/nodes/LinkBox.tsx
@@ -17,6 +17,7 @@ import { StyleProp } from '../StyleProvider';
 import { ComparisonBox } from './ComparisonBox';
 import { FieldView, FieldViewProps } from './FieldView';
 import './LinkBox.scss';
+import { DocumentView } from './DocumentView';
 
 @observer
 export class LinkBox extends ViewBoxBaseComponent<FieldViewProps>() {
@@ -47,31 +48,27 @@ export class LinkBox extends ViewBoxBaseComponent<FieldViewProps>() {
     componentDidMount() {
         this._props.setContentViewBox?.(this);
         this._disposers.deleting = reaction(
-            () => !this.anchor1 || !this.anchor2,
-            empty => empty && (this._hackToSeeIfDeleted = setTimeout(() => this._props.removeDocument?.(this.Document), 1000))
+            () => (!this.anchor1 || !this.anchor2) && this.DocumentView?.() && (!LightboxView.LightboxDoc || LightboxView.Contains(this.DocumentView!())),
+            empty => empty && ((this._hackToSeeIfDeleted = setTimeout(() => 
+                (!this.anchor1 || !this.anchor2) && this._props.removeDocument?.(this.Document)
+            )), 1000) // prettier-ignore
         );
         this._disposers.dragging = reaction(
-            () => ({ drag: SnappingManager.IsDragging }),
-            ({ drag }) => {
-                !LightboxView.Contains(this.DocumentView?.()) &&
-                    setTimeout(
-                        // need to wait for drag manager to set 'hidden' flag on dragged DOM elements
-                        action(() => {
-                            const a = this.anchor1,
-                                b = this.anchor2;
-                            let a1 = a && document.getElementById(a.Guid);
-                            let a2 = b && document.getElementById(b.Guid);
-                            // test whether the anchors themselves are hidden,...
-                            if (!a1 || !a2 || (a?.ContentDiv as any)?.hidden || (b?.ContentDiv as any)?.hidden) this._hide = true;
-                            else {
-                                // .. or whether and of their DOM parents are hidden
-                                for (; a1 && !a1.hidden; a1 = a1.parentElement);
-                                for (; a2 && !a2.hidden; a2 = a2.parentElement);
-                                this._hide = a1 || a2 ? true : false;
-                            }
-                        })
-                    );
-            }
+            () => SnappingManager.IsDragging,
+            () => setTimeout( action(() => {// need to wait for drag manager to set 'hidden' flag on dragged DOM elements
+                const a = this.anchor1,
+                      b = this.anchor2;
+                let a1 = a && document.getElementById(a.ViewGuid);
+                let a2 = b && document.getElementById(b.ViewGuid);
+                // test whether the anchors themselves are hidden,...
+                if (!a1 || !a2 || (a?.ContentDiv as any)?.hidden || (b?.ContentDiv as any)?.hidden) this._hide = true;
+                else {
+                    // .. or whether any of their DOM parents are hidden
+                    for (; a1 && !a1.hidden; a1 = a1.parentElement);
+                    for (; a2 && !a2.hidden; a2 = a2.parentElement);
+                    this._hide = a1 || a2 ? true : false;
+                }
+            })) // prettier-ignore
         );
     }
 
@@ -84,7 +81,7 @@ export class LinkBox extends ViewBoxBaseComponent<FieldViewProps>() {
         this._forceAnimate;
         const docView = this._props.docViewPath().lastElement();
 
-        if (a && b && !LightboxView.Contains(docView)) {
+        if (a && b) {
             // text selection bounds are not directly observable, so we have to
             // force an update when anything that could affect them changes (text edits causing reflow, scrolling)
             a.Document[a.LayoutFieldKey];
@@ -104,7 +101,7 @@ export class LinkBox extends ViewBoxBaseComponent<FieldViewProps>() {
             const getAnchor = (field: FieldResult): Element[] => {
                 const docField = DocCast(field);
                 const doc = docField?.layout_unrendered ? DocCast(docField.annotationOn, docField) : docField;
-                const ele = document.getElementById(doc[Id]);
+                const ele = document.getElementById(DocumentView.UniquifyId(LightboxView.Contains(this.DocumentView?.()), doc[Id]));
                 if (ele?.className === 'linkBox-label') foundParent = true;
                 if (ele?.getBoundingClientRect().width) return [ele];
                 const eles = Array.from(document.getElementsByClassName(doc[Id])).filter(ele => ele?.getBoundingClientRect().width);
@@ -178,7 +175,7 @@ export class LinkBox extends ViewBoxBaseComponent<FieldViewProps>() {
                         color={color}
                         labels={
                             <div
-                                id={this.Document[Id]}
+                                id={this.DocumentView?.().DocUniqueId}
                                 className={'linkBox-label'}
                                 style={{
                                     borderRadius: '8px',
-- 
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