From 08217336445cf2b3cd3efbe97e3c83525f02bf1b Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Tue, 26 Apr 2022 22:34:21 -0400
Subject: added image cropping. made treeView icons show up for file system and
 dashboard, and made them persist invisibly to fix triggering on hover. 
 changed tree view filesystem and dashboard to show expanded icons on hover.

---
 src/client/views/MarqueeAnnotator.tsx | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

(limited to 'src/client/views/MarqueeAnnotator.tsx')

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);
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