1 files changed, 26 insertions, 1 deletions
diff --git a/src/client/views/MarqueeAnnotator.tsx b/src/client/views/MarqueeAnnotator.tsx
index 563261dec..a6b012bd6 100644
--- a/src/client/views/MarqueeAnnotator.tsx
+++ b/src/client/views/MarqueeAnnotator.tsx
@@ -5,7 +5,7 @@ import { Id } from "../../fields/FieldSymbols";
 import { List } from "../../fields/List";
 import { NumCast } from "../../fields/Types";
 import { GetEffectiveAcl } from "../../fields/util";
-import { Utils } from "../../Utils";
+import { unimplementedFunction, Utils } from "../../Utils";
 import { Docs } from "../documents/Documents";
 import { CurrentUserUtils } from "../util/CurrentUserUtils";
 import { DragManager } from "../util/DragManager";
@@ -33,6 +33,7 @@ export interface MarqueeAnnotatorProps {
     getPageFromScroll?: (top: number) => number;
     finishMarquee: (x?: number, y?: number, PointerEvent?: PointerEvent) => void;
     anchorMenuClick?: () => undefined | ((anchor: Doc) => void);
+    anchorMenuCrop?: (anchor: Doc | undefined, addCrop: boolean) => Doc | undefined;
 }
 @observer
 export class MarqueeAnnotator extends React.Component<MarqueeAnnotatorProps> {
@@ -63,6 +64,7 @@ export class MarqueeAnnotator extends React.Component<MarqueeAnnotatorProps> {
         doc.addEventListener("pointermove", this.onSelectMove);
         doc.addEventListener("pointerup", this.onSelectEnd);
 
+        AnchorMenu.Instance.OnCrop = (e: PointerEvent) => this.props.anchorMenuCrop?.(this.highlight("rgba(173, 216, 230, 0.75)", true), true);
         AnchorMenu.Instance.OnClick = (e: PointerEvent) => this.props.anchorMenuClick?.()?.(this.highlight("rgba(173, 216, 230, 0.75)", true));
         AnchorMenu.Instance.Highlight = this.highlight;
         AnchorMenu.Instance.GetAnchor = (savedAnnotations?: ObservableMap<number, HTMLDivElement[]>) => this.highlight("rgba(173, 216, 230, 0.75)", true, savedAnnotations);
@@ -93,6 +95,29 @@ export class MarqueeAnnotator extends React.Component<MarqueeAnnotatorProps> {
                 }
             });
         });
+        /**
+         * This function is used by the AnchorMenu to create an anchor highlight and a new linked text annotation.  
+         * It also initiates a Drag/Drop interaction to place the text annotation.
+         */
+        AnchorMenu.Instance.StartCropDrag = !this.props.anchorMenuCrop ? unimplementedFunction : action((e: PointerEvent, ele: HTMLElement) => {
+            e.preventDefault();
+            e.stopPropagation();
+            var cropRegion: Doc | undefined;
+            const sourceAnchorCreator = () => {
+                cropRegion = this.highlight("rgba(173, 216, 230, 0.75)", true); // hyperlink color
+                cropRegion && this.props.addDocument(cropRegion);
+                return cropRegion;
+            };
+            const targetCreator = (annotationOn: Doc | undefined) => this.props.anchorMenuCrop!(cropRegion, false)!;
+            DragManager.StartAnchorAnnoDrag([ele], new DragManager.AnchorAnnoDragData(this.props.docView, sourceAnchorCreator, targetCreator), e.pageX, e.pageY, {
+                dragComplete: e => {
+                    if (!e.aborted && e.linkDocument) {
+                        Doc.GetProto(e.linkDocument).linkRelationship = "cropped image";
+                        Doc.GetProto(e.linkDocument).title = "crop: " + this.props.docView.rootDoc.title;
+                    }
+                }
+            });
+        });
     }
     componentWillUnmount() {
         const doc = (this.props.iframe?.()?.contentDocument ?? document);