From a6de26815ba43ae8cbc93cce91f34aecf6542b61 Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Tue, 15 Dec 2020 19:41:24 -0500
Subject: added real grouping

---
 src/client/views/collections/CollectionView.tsx    |  6 +--
 .../collectionFreeForm/CollectionFreeFormView.tsx  | 48 +++++++++++++++++++---
 .../collections/collectionFreeForm/MarqueeView.tsx | 25 +++++++----
 3 files changed, 62 insertions(+), 17 deletions(-)

(limited to 'src/client/views/collections')

diff --git a/src/client/views/collections/CollectionView.tsx b/src/client/views/collections/CollectionView.tsx
index 04edc3d09..8c0cdba07 100644
--- a/src/client/views/collections/CollectionView.tsx
+++ b/src/client/views/collections/CollectionView.tsx
@@ -40,6 +40,7 @@ import { CollectionTreeView } from "./CollectionTreeView";
 import './CollectionView.scss';
 import { ScriptField } from '../../../fields/ScriptField';
 import { StyleProp } from '../StyleProvider';
+import { SnappingManager } from '../../util/SnappingManager';
 export const COLLECTION_BORDER_WIDTH = 2;
 const path = require('path');
 
@@ -108,6 +109,7 @@ export class CollectionView extends Touchable<CollectionViewProps> {
     active = (outsideReaction?: boolean) => (this.props.isSelected(outsideReaction) ||
         this.props.rootSelected(outsideReaction) ||
         this.props.Document.forceActive ||
+        this.props.Document._isGroup ||
         this._isChildActive ||
         this.props.renderDepth === 0) ?
         true :
@@ -385,10 +387,8 @@ export class CollectionView extends Touchable<CollectionViewProps> {
             ScreenToLocalTransform: this.screenToLocalTransform,
             CollectionView: this,
         };
-        const boxShadow = Doc.UserDoc().renderStyle === "comic" || this.props.Document.treeViewOutlineMode || this.collectionViewType === CollectionViewType.Linear ? undefined :
-            this.props.styleProvider?.(this.props.Document, this.props, StyleProp.BoxShadow);
         return (<div className={"collectionView"} onContextMenu={this.onContextMenu}
-            style={{ pointerEvents: this.props.layerProvider?.(this.props.Document) === false ? "none" : undefined, boxShadow }}>
+            style={{ pointerEvents: (this.props.Document._isGroup && !SnappingManager.GetIsDragging()) ? "all" : this.props.layerProvider?.(this.props.Document) === false ? "none" : undefined }}>
             {this.showIsTagged()}
             {this.collectionViewType !== undefined ? this.SubView(this.collectionViewType, props) : (null)}
             {this.lightbox(DocListCast(this.props.Document[this.props.fieldKey]).filter(d => Cast(d.data, ImageField, null)).map(d =>
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index d17e87db4..9cc459495 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -1,4 +1,4 @@
-import { action, computed, IReactionDisposer, observable, ObservableMap, reaction, runInAction } from "mobx";
+import { action, computed, IReactionDisposer, observable, ObservableMap, reaction, runInAction, trace } from "mobx";
 import { observer } from "mobx-react";
 import { computedFn } from "mobx-utils";
 import { Doc, DocListCast, HeightSym, Opt, WidthSym, StrListCast } from "../../../../fields/Doc";
@@ -31,9 +31,9 @@ import { COLLECTION_BORDER_WIDTH } from "../../../views/globalCssVariables.scss"
 import { Timeline } from "../../animationtimeline/Timeline";
 import { ContextMenu } from "../../ContextMenu";
 import { ActiveArrowEnd, ActiveArrowStart, ActiveDash, ActiveFillColor, ActiveInkBezierApprox, ActiveInkColor, ActiveInkWidth } from "../../InkingStroke";
-import { CollectionFreeFormDocumentView } from "../../nodes/CollectionFreeFormDocumentView";
+import { CollectionFreeFormDocumentView, CollectionFreeFormDocumentViewProps } from "../../nodes/CollectionFreeFormDocumentView";
 import { DocumentLinksButton } from "../../nodes/DocumentLinksButton";
-import { DocumentViewProps, DocAfterFocusFunc } from "../../nodes/DocumentView";
+import { DocumentViewProps, DocAfterFocusFunc, DocumentView } from "../../nodes/DocumentView";
 import { FormattedTextBox } from "../../nodes/formattedText/FormattedTextBox";
 import { pageSchema } from "../../nodes/ImageBox";
 import { PresBox } from "../../nodes/PresBox";
@@ -220,8 +220,28 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
         return (pt => super.onExternalDrop(e, { x: pt[0], y: pt[1] }))(this.getTransform().transformPoint(e.pageX, e.pageY));
     }
 
+    updateGroupBounds = () => {
+        if (!this.props.Document._isGroup) return;
+        const clist = this.childDocs.map(cd => ({ x: NumCast(cd.x), y: NumCast(cd.y), width: cd[WidthSym](), height: cd[HeightSym]() }));
+        const cbounds = aggregateBounds(clist, 0, 0);
+        const c = [NumCast(this.layoutDoc.x) + this.layoutDoc[WidthSym]() / 2, NumCast(this.layoutDoc.y) + this.layoutDoc[HeightSym]() / 2];
+        const p = [NumCast(this.layoutDoc._panX), NumCast(this.layoutDoc._panY)];
+        const pbounds = {
+            x: (cbounds.x - p[0]) * this.zoomScaling() + c[0], y: (cbounds.y - p[1]) * this.zoomScaling() + c[1],
+            r: (cbounds.r - p[0]) * this.zoomScaling() + c[0], b: (cbounds.b - p[1]) * this.zoomScaling() + c[1]
+        };
+
+        this.layoutDoc._width = (pbounds.r - pbounds.x);
+        this.layoutDoc._height = (pbounds.b - pbounds.y);
+        this.layoutDoc._panX = (cbounds.r + cbounds.x) / 2;
+        this.layoutDoc._panY = (cbounds.b + cbounds.y) / 2;
+        this.layoutDoc.x = pbounds.x;
+        this.layoutDoc.y = pbounds.y;
+    }
+
     @action
     internalDocDrop(e: Event, de: DragManager.DropEvent, docDragData: DragManager.DocumentDragData, xp: number, yp: number) {
+        if (!this.ChildDrag && this.props.Document._isGroup) return false;
         if (!super.onInternalDrop(e, de)) return false;
         const refDoc = docDragData.droppedDocuments[0];
         const [xpo, ypo] = this.getTransformOverlay().transformPoint(de.x, de.y);
@@ -252,6 +272,8 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
             !StrListCast(d.layers).includes(StyleLayers.Background) && (d._raiseWhenDragged === undefined ? Doc.UserDoc()._raiseWhenDragged : d._raiseWhenDragged) && (d.zIndex = zsorted.length + 1 + i); // bringToFront
         }
 
+        this.updateGroupBounds();
+
         (docDragData.droppedDocuments.length === 1 || de.shiftKey) && this.updateClusterDocs(docDragData.droppedDocuments);
         return true;
     }
@@ -422,7 +444,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
                 set && set.filter(s => !StrListCast(s.layers).includes(StyleLayers.Background)).map(s => styleProp = StrCast(s.backgroundColor));
                 set && set.filter(s => StrListCast(s.layers).includes(StyleLayers.Background)).map(s => styleProp = StrCast(s.backgroundColor));
             }
-        } else if (doc && NumCast(doc.group, -1) !== -1) styleProp = "gray";
+        } //else if (doc && NumCast(doc.group, -1) !== -1) styleProp = "gray";
         return styleProp;
     }
 
@@ -654,6 +676,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
             return;
         }
         if (!e.cancelBubble) {
+            if (this.props.Document._isGroup) return;
             if (Doc.GetSelectedTool() === InkTool.None) {
                 if (this.tryDragCluster(e, this._hitCluster)) {
                     e.stopPropagation(); // doesn't actually stop propagation since all our listeners are listening to events on 'document'  however it does mark the event as cancelBubble=true which we test for in the move event handlers
@@ -987,6 +1010,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
         pw && ph && (this.Document[this.scaleFieldKey] = scale * Math.min(pw / NumCast(doc._width), ph / NumCast(doc._height)));
     }
 
+    @observable ChildDrag: DocumentView | undefined;
     onChildClickHandler = () => this.props.childClickScript || ScriptCast(this.Document.onChildClick);
     onChildDoubleClickHandler = () => this.props.childDoubleClickScript || ScriptCast(this.Document.onChildDoubleClick);
     parentActive = (outsideReaction: boolean) => this.props.active(outsideReaction) || this.props.parentActive?.(outsideReaction) || this.backgroundActive || this.layoutDoc._viewType === CollectionViewType.Pile ? true : false;
@@ -1165,6 +1189,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
                     key={entry[1].pair.layout[Id] + (entry[1].replica || "")}
                     {...this.getChildDocumentViewProps(entry[1].pair.layout, entry[1].pair.data)}
                     replica={entry[1].replica}
+                    CollectionFreeFormView={this}
                     dataProvider={this.childDataProvider}
                     sizeProvider={this.childSizeProvider}
                     layerProvider={this.props.layerProvider}
@@ -1202,6 +1227,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
                     }
                 }));
         }
+        //this.updateGroupBounds();
 
         this._marqueeRef.current?.addEventListener("dashDragAutoScroll", this.onDragAutoScroll as any);
     }
@@ -1307,7 +1333,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
         !this.props.isAnnotationOverlay && !Doc.UserDoc().noviceMode &&
             optionItems.push({ description: (this._showAnimTimeline ? "Close" : "Open") + " Animation Timeline", event: action(() => this._showAnimTimeline = !this._showAnimTimeline), icon: "eye" });
         this.props.ContainingCollectionView &&
-            optionItems.push({ description: "Move Items Out of Collection", event: this.promoteCollection, icon: "table" });
+            optionItems.push({ description: "Ungroup collection", event: this.promoteCollection, icon: "table" });
         optionItems.push({ description: this.layoutDoc._lockedTransform ? "Unlock Transform" : "Lock Transform", event: this.toggleLockTransform, icon: this.layoutDoc._lockedTransform ? "unlock" : "lock" });
         this.props.renderDepth && optionItems.push({ description: "Use Background Color as Default", event: () => Cast(Doc.UserDoc().emptyCollection, Doc, null)._backgroundColor = StrCast(this.layoutDoc._backgroundColor), icon: "palette" });
         if (!Doc.UserDoc().noviceMode) {
@@ -1468,6 +1494,7 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
     @computed get marqueeView() {
         return <MarqueeView
             {...this.props}
+            ungroup={this.props.Document._isGroup ? this.promoteCollection : undefined}
             nudge={this.isAnnotationOverlay || this.props.renderDepth > 0 ? undefined : this.nudge}
             addDocTab={this.addDocTab}
             trySelectCluster={this.trySelectCluster}
@@ -1547,6 +1574,17 @@ export class CollectionFreeFormView extends CollectionSubView<PanZoomDocument, P
                         {this._vLines?.map(l => <line y1="0" x1={l} y2="1000" x2={l} stroke="black" />)}
                     </svg>
                 </div>}
+
+            {this.ChildDrag && this.props.Document._isGroup ?
+                <div className="collectionFreeForm-groupDropper" ref={this.createDashEventsTarget} style={{
+                    width: "10000",
+                    height: "10000",
+                    left: "-5000",
+                    top: "-5000",
+                    position: "absolute",
+                    background: "#0009930",
+                    pointerEvents: "all"
+                }} /> : (null)}
         </div >;
     }
 }
diff --git a/src/client/views/collections/collectionFreeForm/MarqueeView.tsx b/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
index f1f190bff..0ab20fea2 100644
--- a/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
+++ b/src/client/views/collections/collectionFreeForm/MarqueeView.tsx
@@ -38,6 +38,7 @@ interface MarqueeViewProps {
     isSelected: () => boolean;
     trySelectCluster: (addToSel: boolean) => boolean;
     nudge?: (x: number, y: number) => boolean;
+    ungroup?: () => void;
     setPreviewCursor?: (func: (x: number, y: number, drag: boolean) => void) => void;
 }
 @observer
@@ -93,7 +94,11 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
             cm.displayMenu(this._downX, this._downY);
             e.stopPropagation();
         } else
-            if (e.key === ":") {
+            if (e.key === "u" && this.props.ungroup) {
+                e.stopPropagation();
+                this.props.ungroup();
+            }
+            else if (e.key === ":") {
                 DocUtils.addDocumentCreatorMenuItems(this.props.addLiveTextDocument, this.props.addDocument || returnFalse, x, y);
 
                 cm.displayMenu(this._downX, this._downY);
@@ -341,8 +346,8 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
         this.hideMarquee();
     }
 
-    getCollection = action((selected: Doc[], creator: Opt<(documents: Array<Doc>, options: DocumentOptions, id?: string) => Doc>, layers: string[]) => {
-        const newCollection = creator ? creator(selected, { title: "nested stack", }) : ((doc: Doc) => {
+    getCollection = action((selected: Doc[], creator: Opt<(documents: Array<Doc>, options: DocumentOptions, id?: string) => Doc>, layers: string[], makeGroup: Opt<boolean>) => {
+        const newCollection = creator ? creator(selected, { title: makeGroup ? "grouping" : "nested stack", }) : ((doc: Doc) => {
             Doc.GetProto(doc).data = new List<Doc>(selected);
             Doc.GetProto(doc).title = "nested freeform";
             doc._panX = doc._panY = 0;
@@ -352,6 +357,7 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
         newCollection.layers = new List<string>(layers);
         newCollection._width = this.Bounds.width;
         newCollection._height = this.Bounds.height;
+        newCollection._isGroup = makeGroup;
         newCollection.x = this.Bounds.left;
         newCollection.y = this.Bounds.top;
         selected.forEach(d => d.context = newCollection);
@@ -410,9 +416,9 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
 
     @undoBatch
     @action
-    collection = (e: KeyboardEvent | React.PointerEvent | undefined) => {
+    collection = (e: KeyboardEvent | React.PointerEvent | undefined, group?: boolean) => {
         const selected = this.marqueeSelect(false);
-        if (e instanceof KeyboardEvent ? e.key === "c" : true) {
+        if (e instanceof KeyboardEvent ? "cg".includes(e.key) : true) {
             selected.map(action(d => {
                 const dx = NumCast(d.x);
                 const dy = NumCast(d.y);
@@ -426,7 +432,7 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
             }));
             this.props.removeDocument?.(selected);
         }
-        const newCollection = this.getCollection(selected, (e as KeyboardEvent)?.key === "t" ? Docs.Create.StackingDocument : undefined, []);
+        const newCollection = this.getCollection(selected, (e as KeyboardEvent)?.key === "t" ? Docs.Create.StackingDocument : undefined, [], group);
         this.props.addDocument?.(newCollection);
         this.props.selectDocuments([newCollection]);
         MarqueeOptionsMenu.Instance.fadeOut(true);
@@ -523,7 +529,7 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
 
     @action
     background = (e: KeyboardEvent | React.PointerEvent | undefined) => {
-        const newCollection = this.getCollection([], undefined, [StyleLayers.Background]);
+        const newCollection = this.getCollection([], undefined, [StyleLayers.Background], undefined);
         this.props.addDocument?.(newCollection);
         MarqueeOptionsMenu.Instance.fadeOut(true);
         this.hideMarquee();
@@ -542,11 +548,12 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
             this.delete();
             e.stopPropagation();
         }
-        if ("cbtsSp".indexOf(e.key) !== -1) {
+        if ("cbtsSpg".indexOf(e.key) !== -1) {
             this._commandExecuted = true;
             e.stopPropagation();
             e.preventDefault();
             (e as any).propagationIsStopped = true;
+            if (e.key === "g") this.collection(e, true);
             if (e.key === "c" || e.key === "t") this.collection(e);
             if (e.key === "s" || e.key === "S") this.summary(e);
             if (e.key === "b") this.background(e);
@@ -634,7 +641,7 @@ export class MarqueeView extends React.Component<SubCollectionViewProps & Marque
 
     render() {
         return <div className="marqueeView"
-            style={{ overflow: !this.props.ContainingCollectionView && this.props.isAnnotationOverlay ? "visible" : StrCast(this.props.Document._overflow), cursor: MarqueeView.DragMarquee && this ? "crosshair" : "hand" }}
+            style={{ overflow: this.props.Document._isGroup || (!this.props.ContainingCollectionView && this.props.isAnnotationOverlay) ? "visible" : StrCast(this.props.Document._overflow), cursor: MarqueeView.DragMarquee && this ? "crosshair" : "hand" }}
             onDragOver={e => e.preventDefault()}
             onScroll={(e) => e.currentTarget.scrollTop = e.currentTarget.scrollLeft = 0} onClick={this.onClick} onPointerDown={this.onPointerDown}>
             {this._visible ? this.marqueeDiv : null}
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