From ff7c7d40b1fcdf74b539c7d97f36707ff1521d2e Mon Sep 17 00:00:00 2001
From: Bob Zeleznik <zzzman@gmail.com>
Date: Fri, 1 May 2020 01:46:07 -0400
Subject: fixed presentations to allow drag and drop.  fixed pres box to use
 RenderData instead of modifying presentation elements with unnecessary info
 like their containing PresBox and their presentation index position. 
 COnverted COntentFIttingDocumentView to use DocumentView's props

---
 src/client/views/nodes/PresBox.tsx | 21 ++++++++-------------
 1 file changed, 8 insertions(+), 13 deletions(-)

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

diff --git a/src/client/views/nodes/PresBox.tsx b/src/client/views/nodes/PresBox.tsx
index f91a809bb..3fcc97473 100644
--- a/src/client/views/nodes/PresBox.tsx
+++ b/src/client/views/nodes/PresBox.tsx
@@ -16,6 +16,7 @@ import { FieldView, FieldViewProps } from './FieldView';
 import "./PresBox.scss";
 import { ViewBoxBaseComponent } from "../DocComponent";
 import { makeInterface } from "../../../new_fields/Schema";
+import { List } from "../../../new_fields/List";
 
 type PresBoxSchema = makeInterface<[typeof documentSchema]>;
 const PresBoxDocument = makeInterface(documentSchema);
@@ -23,20 +24,15 @@ const PresBoxDocument = makeInterface(documentSchema);
 @observer
 export class PresBox extends ViewBoxBaseComponent<FieldViewProps, PresBoxSchema>(PresBoxDocument) {
     public static LayoutString(fieldKey: string) { return FieldView.LayoutString(PresBox, fieldKey); }
-    private _childReaction: IReactionDisposer | undefined;
     @observable _isChildActive = false;
     @computed get childDocs() { return DocListCast(this.dataDoc[this.fieldKey]); }
     @computed get currentIndex() { return NumCast(this.rootDoc._itemIndex); }
 
     componentDidMount() {
+        this.rootDoc.presBox = this.rootDoc;
         this.rootDoc._forceRenderEngine = "timeline";
         this.rootDoc._replacedChrome = "replaced";
-        this._childReaction = reaction(() => this.childDocs.slice(), (children) => children.forEach((child, i) => child.presentationIndex = i), { fireImmediately: true });
     }
-    componentWillUnmount() {
-        this._childReaction?.();
-    }
-
     updateCurrentPresentation = () => Doc.UserDoc().activePresentation = this.rootDoc;
 
     @undoBatch
@@ -247,16 +243,12 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps, PresBoxSchema>
 
     initializeViewAliases = (docList: Doc[], viewtype: CollectionViewType) => {
         const hgt = (viewtype === CollectionViewType.Tree) ? 50 : 46;
-        docList.forEach(doc => {
-            doc.presBox = this.rootDoc; // give contained documents a reference to the presentation
-            doc.presCollapsedHeight = hgt;  //  set the collpased height for documents based on the type of view (Tree or Stack) they will be displaye din
-        });
+        this.rootDoc.presCollapsedHeight = hgt;
     }
 
     addDocument = (doc: Doc) => {
-        const newPinDoc = Doc.MakeAlias(doc);
-        newPinDoc.presentationTargetDoc = doc;
-        return Doc.AddDocToList(this.dataDoc, this.fieldKey, newPinDoc);
+        doc.presentationTargetDoc = doc.aliasOf;
+        return Doc.AddDocToList(this.dataDoc, this.fieldKey, doc);
     }
 
     removeDocument = (doc: Doc) => Doc.RemoveDocFromList(this.dataDoc, this.fieldKey, doc);
@@ -280,8 +272,10 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps, PresBoxSchema>
         this.updateMinimize(e, this.rootDoc._viewType = viewType);
     });
 
+    returnSelf = () => this.rootDoc;
     childLayoutTemplate = () => this.rootDoc._viewType === CollectionViewType.Stacking ? Cast(Doc.UserDoc()["template-presentation"], Doc, null) : undefined;
     render() {
+        this.rootDoc.presOrderedDocs = new List<Doc>(this.childDocs.map((child, i) => child));
         const mode = StrCast(this.rootDoc._viewType) as CollectionViewType;
         this.initializeViewAliases(this.childDocs, mode);
         return <div className="presBox-cont" style={{ minWidth: this.layoutDoc.inOverlay ? 240 : undefined }} >
@@ -314,6 +308,7 @@ export class PresBox extends ViewBoxBaseComponent<FieldViewProps, PresBoxSchema>
                         childLayoutTemplate={this.childLayoutTemplate}
                         addDocument={this.addDocument}
                         removeDocument={returnFalse}
+                        RenderData={this.returnSelf}
                         focus={this.selectElement}
                         ScreenToLocalTransform={this.getTransform} />
                     : (null)
-- 
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