Merge branch 'master' of https://github.com/browngraphicslab/Dash-Web into youtube-api-muhammed

6 files changed, 233 insertions, 101 deletions

diff --git a/src/client/views/collections/CollectionSchemaView.tsx b/src/client/views/collections/CollectionSchemaView.tsx
index f72b1aa07..119aa7c19 100644
--- a/src/client/views/collections/CollectionSchemaView.tsx
+++ b/src/client/views/collections/CollectionSchemaView.tsx
@@ -15,7 +15,7 @@ import { Cast, FieldValue, NumCast, StrCast, BoolCast } from "../../../new_field
 import { Docs } from "../../documents/Documents";
 import { Gateway } from "../../northstar/manager/Gateway";
 import { SetupDrag, DragManager } from "../../util/DragManager";
-import { CompileScript } from "../../util/Scripting";
+import { CompileScript, ts, Transformer } from "../../util/Scripting";
 import { Transform } from "../../util/Transform";
 import { COLLECTION_BORDER_WIDTH, MAX_ROW_HEIGHT } from '../../views/globalCssVariables.scss';
 import { ContextMenu } from "../ContextMenu";
@@ -30,7 +30,7 @@ import { CollectionSubView } from "./CollectionSubView";
 import { CollectionVideoView } from "./CollectionVideoView";
 import { CollectionView } from "./CollectionView";
 import { undoBatch } from "../../util/UndoManager";
-import { timesSeries } from "async";
+import { ComputedField } from "../../../new_fields/ScriptField";
 
 
 library.add(faCog);
@@ -97,6 +97,78 @@ export class CollectionSchemaView extends CollectionSubView(doc => doc) {
         return this.props.Document;
     }
 
+    getField(row: number, col?: number) {
+        const docs = DocListCast(this.props.Document[this.props.fieldKey]);
+        row = row % docs.length;
+        while (row < 0) row += docs.length;
+        const columns = this.columns;
+        const doc = docs[row];
+        if (col === undefined) {
+            return doc;
+        }
+        if (col >= 0 && col < columns.length) {
+            const column = this.columns[col];
+            return doc[column];
+        }
+        return undefined;
+    }
+
+    createTransformer = (row: number, col: number): Transformer => {
+        const self = this;
+        const captures: { [name: string]: Field } = {};
+
+        const transformer: ts.TransformerFactory<ts.SourceFile> = context => {
+            return root => {
+                function visit(node: ts.Node) {
+                    node = ts.visitEachChild(node, visit, context);
+                    if (ts.isIdentifier(node)) {
+                        const isntPropAccess = !ts.isPropertyAccessExpression(node.parent) || node.parent.expression === node;
+                        const isntPropAssign = !ts.isPropertyAssignment(node.parent) || node.parent.name !== node;
+                        if (isntPropAccess && isntPropAssign) {
+                            if (node.text === "$r") {
+                                return ts.createNumericLiteral(row.toString());
+                            } else if (node.text === "$c") {
+                                return ts.createNumericLiteral(col.toString());
+                            } else if (node.text === "$") {
+                                if (ts.isCallExpression(node.parent)) {
+                                    captures.doc = self.props.Document;
+                                    captures.key = self.props.fieldKey;
+                                }
+                            }
+                        }
+                    }
+
+                    return node;
+                }
+                return ts.visitNode(root, visit);
+            };
+        };
+
+        const getVars = () => {
+            return { capturedVariables: captures };
+        };
+
+        return { transformer, getVars };
+    }
+
+    setComputed(script: string, doc: Doc, field: string, row: number, col: number): boolean {
+        script =
+            `const $ = (row:number, col?:number) => {
+                if(col === undefined) {
+                    return (doc as any)[key][row + ${row}];
+                }
+                return (doc as any)[key][row + ${row}][(doc as any).schemaColumns[col + ${col}]];
+            }
+            return ${script}`;
+        const compiled = CompileScript(script, { params: { this: Doc.name }, typecheck: true, transformer: this.createTransformer(row, col) });
+        if (compiled.compiled) {
+            doc[field] = new ComputedField(compiled);
+            return true;
+        }
+
+        return false;
+    }
+
     renderCell = (rowProps: CellInfo) => {
         let props: FieldViewProps = {
             Document: rowProps.original,
@@ -122,12 +194,13 @@ export class CollectionSchemaView extends CollectionSubView(doc => doc) {
             (!this.props.CollectionView.props.isSelected() ? undefined :
                 SetupDrag(reference, () => props.Document, this.props.moveDocument, this.props.Document.schemaDoc ? "copy" : undefined)(e));
         };
-        let applyToDoc = (doc: Doc, run: (args?: { [name: string]: any }) => any) => {
-            const res = run({ this: doc });
+        let applyToDoc = (doc: Doc, row: number, column: number, run: (args?: { [name: string]: any }) => any) => {
+            const res = run({ this: doc, $r: row, $c: column, $: (r: number = 0, c: number = 0) => this.getField(r + row, c + column) });
             if (!res.success) return false;
             doc[props.fieldKey] = res.result;
             return true;
         };
+        const colIndex = this.columns.indexOf(rowProps.column.id!);
         return (
             <div className="collectionSchemaView-cellContents" onPointerDown={onItemDown} key={props.Document[Id]} ref={reference}>
                 <EditableView
@@ -142,21 +215,23 @@ export class CollectionSchemaView extends CollectionSubView(doc => doc) {
                         return "";
                     }}
                     SetValue={(value: string) => {
-                        let script = CompileScript(value, { addReturn: true, params: { this: Doc.name } });
+                        if (value.startsWith(":=")) {
+                            return this.setComputed(value.substring(2), props.Document, rowProps.column.id!, rowProps.index, colIndex);
+                        }
+                        let script = CompileScript(value, { addReturn: true, params: { this: Doc.name, $r: "number", $c: "number", $: "any" } });
                         if (!script.compiled) {
                             return false;
                         }
-                        return applyToDoc(props.Document, script.run);
+                        return applyToDoc(props.Document, rowProps.index, colIndex, script.run);
                     }}
                     OnFillDown={async (value: string) => {
-                        let script = CompileScript(value, { addReturn: true, params: { this: Doc.name } });
+                        let script = CompileScript(value, { addReturn: true, params: { this: Doc.name, $r: "number", $c: "number", $: "any" } });
                         if (!script.compiled) {
                             return;
                         }
                         const run = script.run;
-                        //TODO This should be able to be refactored to compile the script once
                         const val = await DocListCastAsync(this.props.Document[this.props.fieldKey]);
-                        val && val.forEach(doc => applyToDoc(doc, run));
+                        val && val.forEach((doc, i) => applyToDoc(doc, i, colIndex, run));
                     }}>
                 </EditableView>
             </div >
@@ -446,8 +521,12 @@ export class CollectionSchemaPreview extends React.Component<CollectionSchemaPre
     drop = (e: Event, de: DragManager.DropEvent) => {
         if (de.data instanceof DragManager.DocumentDragData) {
             let docDrag = de.data;
+            let computed = CompileScript("return this.image_data[0]", { params: { this: "Doc" } });
             this.props.childDocs && this.props.childDocs.map(otherdoc => {
-                Doc.GetProto(otherdoc).layout = Doc.MakeDelegate(docDrag.draggedDocuments[0]);
+                let doc = docDrag.draggedDocuments[0];
+                let target = Doc.GetProto(otherdoc);
+                target.layout = target.detailedLayout = Doc.MakeDelegate(doc);
+                computed.compiled && (target.miniLayout = new ComputedField(computed));
             });
             e.stopPropagation();
         }
diff --git a/src/client/views/collections/CollectionStackingView.tsx b/src/client/views/collections/CollectionStackingView.tsx
index 0e5f9a321..213aa981d 100644
--- a/src/client/views/collections/CollectionStackingView.tsx
+++ b/src/client/views/collections/CollectionStackingView.tsx
@@ -5,7 +5,7 @@ import { observer } from "mobx-react";
 import { Doc, HeightSym, WidthSym } from "../../../new_fields/Doc";
 import { Id } from "../../../new_fields/FieldSymbols";
 import { BoolCast, NumCast, Cast, StrCast } from "../../../new_fields/Types";
-import { emptyFunction, Utils } from "../../../Utils";
+import { emptyFunction, Utils, returnTrue } from "../../../Utils";
 import { CollectionSchemaPreview } from "./CollectionSchemaView";
 import "./CollectionStackingView.scss";
 import { CollectionSubView } from "./CollectionSubView";
@@ -74,6 +74,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
             DataDocument={resolvedDataDoc}
             showOverlays={this.overlays}
             renderDepth={this.props.renderDepth}
+            fitToBox={true}
             width={width}
             height={height}
             getTransform={finalDxf}
@@ -250,7 +251,7 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
                     ["width = height", this.filteredChildren.filter(f => Math.abs(f[WidthSym]() - f[HeightSym]()) < 1)],
                     ["height > width", this.filteredChildren.filter(f => f[WidthSym]() + 1 <= f[HeightSym]())]]. */}
                 {this.props.Document.sectionFilter ? Array.from(this.Sections.entries()).
-                    map(section => this.section(section[0].toString(), section[1] as Doc[])) :
+                    map(section => this.section(section[0].toString(), section[1])) :
                     this.section("", this.filteredChildren)}
             </div>
         );
diff --git a/src/client/views/collections/CollectionTreeView.tsx b/src/client/views/collections/CollectionTreeView.tsx
index d05cc375e..006de0c70 100644
--- a/src/client/views/collections/CollectionTreeView.tsx
+++ b/src/client/views/collections/CollectionTreeView.tsx
@@ -74,27 +74,37 @@ class TreeView extends React.Component<TreeViewProps> {
     @observable _collapsed: boolean = true;
 
     @computed get fieldKey() {
-        let keys = Array.from(Object.keys(this.resolvedDataDoc));  // bcz: Argh -- make untracked to avoid this rerunning whenever 'libraryBrush' is set
-        if (this.resolvedDataDoc.proto instanceof Doc) {
-            let arr = Array.from(Object.keys(this.resolvedDataDoc.proto));// bcz: Argh -- make untracked to avoid this rerunning whenever 'libraryBrush' is set
+        let target = this.props.document;
+        let keys = Array.from(Object.keys(target));  // bcz: Argh -- make untracked to avoid this rerunning whenever 'libraryBrush' is set
+        if (target.proto instanceof Doc) {
+            let arr = Array.from(Object.keys(target.proto));// bcz: Argh -- make untracked to avoid this rerunning whenever 'libraryBrush' is set
             keys.push(...arr);
             while (keys.indexOf("proto") !== -1) keys.splice(keys.indexOf("proto"), 1);
         }
         let keyList: string[] = [];
         keys.map(key => {
-            let docList = Cast(this.resolvedDataDoc[key], listSpec(Doc));
+            let docList = Cast(this.dataDoc[key], listSpec(Doc));
             if (docList && docList.length > 0) {
                 keyList.push(key);
             }
         });
         let layout = StrCast(this.props.document.layout);
-        if (layout.indexOf("fieldKey={\"") !== -1) {
+        if (layout.indexOf("fieldKey={\"") !== -1 && layout.indexOf("fieldExt=") === -1) {
             return layout.split("fieldKey={\"")[1].split("\"")[0];
         }
         return keyList.length ? keyList[0] : "data";
     }
 
-    @computed get resolvedDataDoc() { return BoolCast(this.props.document.isTemplate) && this.props.dataDoc ? this.props.dataDoc : this.props.document; }
+    @computed get dataDoc() { return this.resolvedDataDoc ? this.resolvedDataDoc : this.props.document; }
+    @computed get resolvedDataDoc() {
+        if (this.props.dataDoc === undefined && this.props.document.layout instanceof Doc) {
+            // if there is no dataDoc (ie, we're not rendering a template layout), but this document
+            // has a template layout document, then we will render the template layout but use 
+            // this document as the data document for the layout.
+            return this.props.document;
+        }
+        return this.props.dataDoc ? this.props.dataDoc : undefined;
+    }
 
     protected createTreeDropTarget = (ele: HTMLDivElement) => {
         this._treedropDisposer && this._treedropDisposer();
@@ -103,7 +113,7 @@ class TreeView extends React.Component<TreeViewProps> {
         }
     }
 
-    @undoBatch delete = () => this.props.deleteDoc(this.resolvedDataDoc);
+    @undoBatch delete = () => this.props.deleteDoc(this.dataDoc);
     @undoBatch openRight = async () => this.props.addDocTab(this.props.document, undefined, "onRight");
 
     onPointerDown = (e: React.PointerEvent) => e.stopPropagation();
@@ -135,7 +145,7 @@ class TreeView extends React.Component<TreeViewProps> {
 
     @action
     remove = (document: Document, key: string): boolean => {
-        let children = Cast(this.resolvedDataDoc[key], listSpec(Doc), []);
+        let children = Cast(this.dataDoc[key], listSpec(Doc), []);
         if (children.indexOf(document) !== -1) {
             children.splice(children.indexOf(document), 1);
             return true;
@@ -151,8 +161,8 @@ class TreeView extends React.Component<TreeViewProps> {
     indent = () => this.props.addDocument(this.props.document) && this.delete()
 
     renderBullet() {
-        let docList = Cast(this.resolvedDataDoc[this.fieldKey], listSpec(Doc));
-        let doc = Cast(this.resolvedDataDoc[this.fieldKey], Doc);
+        let docList = Cast(this.dataDoc[this.fieldKey], listSpec(Doc));
+        let doc = Cast(this.dataDoc[this.fieldKey], Doc);
         let isDoc = doc instanceof Doc || docList;
         let c;
         return <div className="bullet" onClick={action(() => this._collapsed = !this._collapsed)} style={{ color: StrCast(this.props.document.color, "black"), opacity: 0.4 }}>
@@ -164,16 +174,17 @@ class TreeView extends React.Component<TreeViewProps> {
     editableView = (key: string, style?: string) => (<EditableView
         oneLine={true}
         display={"inline"}
-        editing={this.resolvedDataDoc[Id] === TreeView.loadId}
+        editing={this.dataDoc[Id] === TreeView.loadId}
         contents={StrCast(this.props.document[key])}
         height={36}
         fontStyle={style}
         fontSize={12}
         GetValue={() => StrCast(this.props.document[key])}
-        SetValue={(value: string) => (Doc.GetProto(this.resolvedDataDoc)[key] = value) ? true : true}
+        SetValue={(value: string) => (Doc.GetProto(this.dataDoc)[key] = value) ? true : true}
         OnFillDown={(value: string) => {
-            Doc.GetProto(this.resolvedDataDoc)[key] = value;
-            let doc = Docs.Create.FreeformDocument([], { title: "", x: 0, y: 0, width: 100, height: 25, templates: new List<string>([Templates.Title.Layout]) });
+            Doc.GetProto(this.dataDoc)[key] = value;
+            let doc = this.props.document.detailedLayout instanceof Doc ? Doc.ApplyTemplate(Doc.GetProto(this.props.document.detailedLayout)) : undefined;
+            if (!doc) doc = Docs.Create.FreeformDocument([], { title: "", x: 0, y: 0, width: 100, height: 25, templates: new List<string>([Templates.Title.Layout]) });
             TreeView.loadId = doc[Id];
             return this.props.addDocument(doc);
         }}
@@ -181,16 +192,17 @@ class TreeView extends React.Component<TreeViewProps> {
     />)
 
     @computed get keyList() {
-        let keys = Array.from(Object.keys(this.resolvedDataDoc));
-        if (this.resolvedDataDoc.proto instanceof Doc) {
-            keys.push(...Array.from(Object.keys(this.resolvedDataDoc.proto)));
+        let target = this.props.document;
+        let keys = Array.from(Object.keys(target));
+        if (target.proto instanceof Doc) {
+            keys.push(...Array.from(Object.keys(target.proto)));
         }
         let keyList: string[] = keys.reduce((l, key) => {
-            let listspec = DocListCast(this.resolvedDataDoc[key]);
+            let listspec = DocListCast(target[key]);
             if (listspec && listspec.length) return [...l, key];
             return l;
         }, [] as string[]);
-        keys.map(key => Cast(this.resolvedDataDoc[key], Doc) instanceof Doc && keyList.push(key));
+        keys.map(key => Cast(target[key], Doc) instanceof Doc && keyList.push(key));
         if (LinkManager.Instance.getAllRelatedLinks(this.props.document).length > 0) keyList.push("links");
         if (keyList.indexOf(this.fieldKey) !== -1) {
             keyList.splice(keyList.indexOf(this.fieldKey), 1);
@@ -203,7 +215,7 @@ class TreeView extends React.Component<TreeViewProps> {
      */
     renderTitle() {
         let reference = React.createRef<HTMLDivElement>();
-        let onItemDown = SetupDrag(reference, () => this.resolvedDataDoc, this.move, this.props.dropAction, this.props.treeViewId, true);
+        let onItemDown = SetupDrag(reference, () => this.dataDoc, this.move, this.props.dropAction, this.props.treeViewId, true);
 
         let headerElements = (
             <span className="collectionTreeView-keyHeader" key={this._chosenKey + "chosen"}
@@ -215,7 +227,7 @@ class TreeView extends React.Component<TreeViewProps> {
                 {this._chosenKey}
             </span>);
         let dataDocs = CollectionDockingView.Instance ? Cast(CollectionDockingView.Instance.props.Document[this.fieldKey], listSpec(Doc), []) : [];
-        let openRight = dataDocs && dataDocs.indexOf(this.resolvedDataDoc) !== -1 ? (null) : (
+        let openRight = dataDocs && dataDocs.indexOf(this.dataDoc) !== -1 ? (null) : (
             <div className="treeViewItem-openRight" onPointerDown={this.onPointerDown} onClick={this.openRight}>
                 <FontAwesomeIcon icon="angle-right" size="lg" />
             </div>);
@@ -241,12 +253,12 @@ class TreeView extends React.Component<TreeViewProps> {
             if (NumCast(this.props.document.viewType) !== CollectionViewType.Docking) {
                 ContextMenu.Instance.addItem({ description: "Open Tab", event: () => this.props.addDocTab(this.props.document, this.resolvedDataDoc, "inTab"), icon: "folder" });
                 ContextMenu.Instance.addItem({ description: "Open Right", event: () => this.props.addDocTab(this.props.document, this.resolvedDataDoc, "onRight"), icon: "caret-square-right" });
-                if (DocumentManager.Instance.getDocumentViews(this.resolvedDataDoc).length) {
-                    ContextMenu.Instance.addItem({ description: "Focus", event: () => DocumentManager.Instance.getDocumentViews(this.resolvedDataDoc).map(view => view.props.focus(this.props.document, true)), icon: "camera" });
+                if (DocumentManager.Instance.getDocumentViews(this.dataDoc).length) {
+                    ContextMenu.Instance.addItem({ description: "Focus", event: () => DocumentManager.Instance.getDocumentViews(this.dataDoc).map(view => view.props.focus(this.props.document, true)), icon: "camera" });
                 }
                 ContextMenu.Instance.addItem({ description: "Delete Item", event: undoBatch(() => this.props.deleteDoc(this.props.document)), icon: "trash-alt" });
             } else {
-                ContextMenu.Instance.addItem({ description: "Open as Workspace", event: undoBatch(() => MainView.Instance.openWorkspace(this.resolvedDataDoc)), icon: "caret-square-right" });
+                ContextMenu.Instance.addItem({ description: "Open as Workspace", event: undoBatch(() => MainView.Instance.openWorkspace(this.dataDoc)), icon: "caret-square-right" });
                 ContextMenu.Instance.addItem({ description: "Delete Workspace", event: undoBatch(() => this.props.deleteDoc(this.props.document)), icon: "trash-alt" });
             }
             ContextMenu.Instance.addItem({ description: "Open Fields", event: () => { let kvp = Docs.Create.KVPDocument(this.props.document, { width: 300, height: 300 }); this.props.addDocTab(kvp, this.props.dataDoc ? this.props.dataDoc : kvp, "onRight"); }, icon: "layer-group" });
@@ -274,7 +286,7 @@ class TreeView extends React.Component<TreeViewProps> {
             if (de.data.draggedDocuments[0] === this.props.document) return true;
             let addDoc = (doc: Doc) => this.props.addDocument(doc, this.resolvedDataDoc, before);
             if (inside) {
-                let docList = Cast(this.resolvedDataDoc.data, listSpec(Doc));
+                let docList = Cast(this.dataDoc.data, listSpec(Doc));
                 if (docList !== undefined) {
                     addDoc = (doc: Doc) => { docList && docList.push(doc); return true; };
                 }
@@ -326,7 +338,7 @@ class TreeView extends React.Component<TreeViewProps> {
 
     @computed get boundsOfCollectionDocument() {
         if (StrCast(this.props.document.type).indexOf(DocumentType.COL) === -1) return undefined;
-        let layoutDoc = Doc.expandTemplateLayout(this.props.document, this.props.dataDoc);
+        let layoutDoc = this.props.document;
         return Doc.ComputeContentBounds(DocListCast(layoutDoc.data));
     }
     docWidth = () => {
@@ -344,27 +356,30 @@ class TreeView extends React.Component<TreeViewProps> {
         })());
     }
 
+    noOverlays = (doc: Doc) => ({ title: "", caption: "" });
+
     render() {
         let contentElement: (JSX.Element | null) = null;
-        let docList = Cast(this.resolvedDataDoc[this._chosenKey], listSpec(Doc));
+        let docList = Cast(this.dataDoc[this._chosenKey], listSpec(Doc));
         let remDoc = (doc: Doc) => this.remove(doc, this._chosenKey);
-        let addDoc = (doc: Doc, addBefore?: Doc, before?: boolean) => Doc.AddDocToList(this.resolvedDataDoc, this._chosenKey, doc, addBefore, before);
-        let doc = Cast(this.resolvedDataDoc[this._chosenKey], Doc);
+        let addDoc = (doc: Doc, addBefore?: Doc, before?: boolean) => Doc.AddDocToList(this.dataDoc, this._chosenKey, doc, addBefore, before);
 
         if (!this._collapsed) {
             if (!this.props.document.embed) {
+                let doc = Cast(this.props.document[this._chosenKey], Doc);
                 contentElement = <ul key={this._chosenKey + "more"}>
                     {this._chosenKey === "links" ? this.renderLinks() :
-                        TreeView.GetChildElements(doc instanceof Doc ? [doc] : DocListCast(docList), this.props.treeViewId, this.props.document, this.props.dataDoc, this._chosenKey, addDoc, remDoc, this.move,
+                        TreeView.GetChildElements(doc instanceof Doc ? [doc] : DocListCast(docList), this.props.treeViewId, this.props.document, this.resolvedDataDoc, this._chosenKey, addDoc, remDoc, this.move,
                             this.props.dropAction, this.props.addDocTab, this.props.ScreenToLocalTransform, this.props.outerXf, this.props.active, this.props.panelWidth, this.props.renderDepth)}
                 </ul >;
             } else {
-                let layoutDoc = Doc.expandTemplateLayout(this.props.document, this.props.dataDoc);
+                let layoutDoc = this.props.document;
                 contentElement = <div ref={this._dref} style={{ display: "inline-block", height: this.docHeight() }} key={this.props.document[Id] + this.props.document.title}>
                     <CollectionSchemaPreview
                         Document={layoutDoc}
                         DataDocument={this.resolvedDataDoc}
                         renderDepth={this.props.renderDepth}
+                        showOverlays={this.noOverlays}
                         fitToBox={this.boundsOfCollectionDocument !== undefined}
                         width={this.docWidth}
                         height={this.docHeight}
@@ -433,7 +448,7 @@ class TreeView extends React.Component<TreeViewProps> {
                 dataDoc={dataDoc}
                 containingCollection={containingCollection}
                 treeViewId={treeViewId}
-                key={child[Id] + "child " + i}
+                key={child[Id]}
                 indentDocument={indent}
                 renderDepth={renderDepth}
                 deleteDoc={remove}
@@ -547,7 +562,8 @@ export class CollectionTreeView extends CollectionSubView(Document) {
                     SetValue={(value: string) => (Doc.GetProto(this.resolvedDataDoc).title = value) ? true : true}
                     OnFillDown={(value: string) => {
                         Doc.GetProto(this.props.Document).title = value;
-                        let doc = Docs.Create.FreeformDocument([], { title: "", x: 0, y: 0, width: 100, height: 25, templates: new List<string>([Templates.Title.Layout]) });
+                        let doc = this.props.Document.detailedLayout instanceof Doc ? Doc.ApplyTemplate(Doc.GetProto(this.props.Document.detailedLayout)) : undefined;
+                        if (!doc) doc = Docs.Create.FreeformDocument([], { title: "", x: 0, y: 0, width: 100, height: 25, templates: new List<string>([Templates.Title.Layout]) });
                         TreeView.loadId = doc[Id];
                         Doc.AddDocToList(this.props.Document, this.props.fieldKey, doc, this.childDocs.length ? this.childDocs[0] : undefined, true);
                     }} />
diff --git a/src/client/views/collections/CollectionVideoView.tsx b/src/client/views/collections/CollectionVideoView.tsx
index d7d5773ba..31a8a93e0 100644
--- a/src/client/views/collections/CollectionVideoView.tsx
+++ b/src/client/views/collections/CollectionVideoView.tsx
@@ -7,6 +7,8 @@ import { CollectionBaseView, CollectionRenderProps, CollectionViewType } from ".
 import { CollectionFreeFormView } from "./collectionFreeForm/CollectionFreeFormView";
 import "./CollectionVideoView.scss";
 import React = require("react");
+import { InkingControl } from "../InkingControl";
+import { InkTool } from "../../../new_fields/InkField";
 
 
 @observer
@@ -19,18 +21,19 @@ export class CollectionVideoView extends React.Component<FieldViewProps> {
     private get uIButtons() {
         let scaling = Math.min(1.8, this.props.ScreenToLocalTransform().Scale);
         let curTime = NumCast(this.props.Document.curPage);
-        return (VideoBox._showControls ? [] : [
-            <div className="collectionVideoView-time" key="time" onPointerDown={this.onResetDown} style={{ transform: `scale(${scaling}, ${scaling})` }}>
-                <span>{"" + Math.round(curTime)}</span>
-                <span style={{ fontSize: 8 }}>{" " + Math.round((curTime - Math.trunc(curTime)) * 100)}</span>
-            </div>,
+        return ([<div className="collectionVideoView-time" key="time" onPointerDown={this.onResetDown} style={{ transform: `scale(${scaling}, ${scaling})` }}>
+            <span>{"" + Math.round(curTime)}</span>
+            <span style={{ fontSize: 8 }}>{" " + Math.round((curTime - Math.trunc(curTime)) * 100)}</span>
+        </div>,
+        VideoBox._showControls ? (null) : [
             <div className="collectionVideoView-play" key="play" onPointerDown={this.onPlayDown} style={{ transform: `scale(${scaling}, ${scaling})` }}>
                 {this._videoBox && this._videoBox.Playing ? "\"" : ">"}
             </div>,
             <div className="collectionVideoView-full" key="full" onPointerDown={this.onFullDown} style={{ transform: `scale(${scaling}, ${scaling})` }}>
                 F
                 </div>
-        ]);
+
+        ]]);
     }
 
     @action
@@ -53,12 +56,33 @@ export class CollectionVideoView extends React.Component<FieldViewProps> {
         }
     }
 
+    _isclick = 0;
     @action
-    onResetDown = () => {
+    onResetDown = (e: React.PointerEvent) => {
         if (this._videoBox) {
             this._videoBox.Pause();
-            this.props.Document.curPage = 0;
+            e.stopPropagation();
+            this._isclick = 0;
+            document.addEventListener("pointermove", this.onPointerMove, true);
+            document.addEventListener("pointerup", this.onPointerUp, true);
+            InkingControl.Instance.switchTool(InkTool.Eraser);
+        }
+    }
+
+    @action
+    onPointerMove = (e: PointerEvent) => {
+        this._isclick += Math.abs(e.movementX) + Math.abs(e.movementY);
+        if (this._videoBox) {
+            this._videoBox.Seek(Math.max(0, NumCast(this.props.Document.curPage, 0) + Math.sign(e.movementX) * 0.0333));
         }
+        e.stopImmediatePropagation();
+    }
+    @action
+    onPointerUp = (e: PointerEvent) => {
+        document.removeEventListener("pointermove", this.onPointerMove, true);
+        document.removeEventListener("pointerup", this.onPointerUp, true);
+        InkingControl.Instance.switchTool(InkTool.None);
+        this._isclick < 10 && (this.props.Document.curPage = 0);
     }
     setVideoBox = (videoBox: VideoBox) => { this._videoBox = videoBox; };
 
diff --git a/src/client/views/collections/CollectionView.tsx b/src/client/views/collections/CollectionView.tsx
index 045c8531e..7781b26d9 100644
--- a/src/client/views/collections/CollectionView.tsx
+++ b/src/client/views/collections/CollectionView.tsx
@@ -1,5 +1,5 @@
 import { library } from '@fortawesome/fontawesome-svg-core';
-import { faProjectDiagram, faSignature, faColumns, faSquare, faTh, faImage, faThList, faTree, faEllipsisV } from '@fortawesome/free-solid-svg-icons';
+import { faProjectDiagram, faSignature, faColumns, faSquare, faTh, faImage, faThList, faTree, faEllipsisV, faFingerprint, faLaptopCode } from '@fortawesome/free-solid-svg-icons';
 import { observer } from "mobx-react";
 import * as React from 'react';
 import { Doc, DocListCast, WidthSym, HeightSym } from '../../../new_fields/Doc';
@@ -25,6 +25,7 @@ library.add(faSquare);
 library.add(faProjectDiagram);
 library.add(faSignature);
 library.add(faThList);
+library.add(faFingerprint);
 library.add(faColumns);
 library.add(faEllipsisV);
 library.add(faImage);
@@ -50,7 +51,6 @@ export class CollectionView extends React.Component<FieldViewProps> {
 
     get isAnnotationOverlay() { return this.props.fieldExt ? true : false; }
 
-    static _applyCount: number = 0;
     onContextMenu = (e: React.MouseEvent): void => {
         if (!this.isAnnotationOverlay && !e.isPropagationStopped() && this.props.Document[Id] !== CurrentUserUtils.MainDocId) { // need to test this because GoldenLayout causes a parallel hierarchy in the React DOM for its children and the main document view7
             let subItems: ContextMenuProps[] = [];
@@ -62,20 +62,14 @@ export class CollectionView extends React.Component<FieldViewProps> {
             subItems.push({ description: "Treeview", event: undoBatch(() => this.props.Document.viewType = CollectionViewType.Tree), icon: "tree" });
             subItems.push({ description: "Stacking", event: undoBatch(() => this.props.Document.viewType = CollectionViewType.Stacking), icon: "ellipsis-v" });
             subItems.push({ description: "Masonry", event: undoBatch(() => this.props.Document.viewType = CollectionViewType.Masonry), icon: "columns" });
+            switch (this.props.Document.viewType) {
+                case CollectionViewType.Freeform: {
+                    subItems.push({ description: "Custom", icon: "fingerprint", event: CollectionFreeFormView.AddCustomLayout(this.props.Document, this.props.fieldKey) });
+                    break;
+                }
+            }
             ContextMenu.Instance.addItem({ description: "View Modes...", subitems: subItems });
-            ContextMenu.Instance.addItem({
-                description: "Apply Template", event: undoBatch(() => {
-                    let otherdoc = new Doc();
-                    otherdoc.width = this.props.Document[WidthSym]();
-                    otherdoc.height = this.props.Document[HeightSym]();
-                    otherdoc.title = this.props.Document.title + "(..." + CollectionView._applyCount++ + ")"; // previously "applied"
-                    otherdoc.layout = Doc.MakeDelegate(this.props.Document);
-                    otherdoc.miniLayout = StrCast(this.props.Document.miniLayout);
-                    otherdoc.detailedLayout = otherdoc.layout;
-                    otherdoc.type = DocumentType.TEMPLATE;
-                    this.props.addDocTab && this.props.addDocTab(otherdoc, undefined, "onRight");
-                }), icon: "project-diagram"
-            });
+            ContextMenu.Instance.addItem({ description: "Apply Template", event: undoBatch(() => this.props.addDocTab && this.props.addDocTab(Doc.ApplyTemplate(this.props.Document)!, undefined, "onRight")), icon: "project-diagram" });
         }
     }
 
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 703873681..afa021655 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -31,6 +31,7 @@ import { ScriptField } from "../../../../new_fields/ScriptField";
 import { OverlayView, OverlayElementOptions } from "../../OverlayView";
 import { ScriptBox } from "../../ScriptBox";
 import { CompileScript } from "../../../util/Scripting";
+import { CognitiveServices } from "../../../cognitive_services/CognitiveServices";
 
 
 export const panZoomSchema = createSchema({
@@ -51,6 +52,7 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     private _lastY: number = 0;
     private get _pwidth() { return this.props.PanelWidth(); }
     private get _pheight() { return this.props.PanelHeight(); }
+    private inkKey = "ink";
 
     @computed get contentBounds() {
         let bounds = this.props.fitToBox && !NumCast(this.nativeWidth) ? Doc.ComputeContentBounds(DocListCast(this.props.Document.data)) : undefined;
@@ -195,10 +197,10 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
                     this._pheight / this.zoomScaling());
                 let panelwidth = panelDim[0];
                 let panelheight = panelDim[1];
-                if (ranges[0][0] - dx > (this.panX() + panelwidth / 2)) x = ranges[0][1] + panelwidth / 2;
-                if (ranges[0][1] - dx < (this.panX() - panelwidth / 2)) x = ranges[0][0] - panelwidth / 2;
-                if (ranges[1][0] - dy > (this.panY() + panelheight / 2)) y = ranges[1][1] + panelheight / 2;
-                if (ranges[1][1] - dy < (this.panY() - panelheight / 2)) y = ranges[1][0] - panelheight / 2;
+                // if (ranges[0][0] - dx > (this.panX() + panelwidth / 2)) x = ranges[0][1] + panelwidth / 2;
+                // if (ranges[0][1] - dx < (this.panX() - panelwidth / 2)) x = ranges[0][0] - panelwidth / 2;
+                // if (ranges[1][0] - dy > (this.panY() + panelheight / 2)) y = ranges[1][1] + panelheight / 2;
+                // if (ranges[1][1] - dy < (this.panY() - panelheight / 2)) y = ranges[1][0] - panelheight / 2;
             }
             this.setPan(x - dx, y - dy);
             this._lastX = e.pageX;
@@ -358,7 +360,12 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
     getChildDocumentViewProps(childDocLayout: Doc): DocumentViewProps {
         let self = this;
         let resolvedDataDoc = !this.props.Document.isTemplate && this.props.DataDoc !== this.props.Document ? this.props.DataDoc : undefined;
-        let layoutDoc = Doc.expandTemplateLayout(childDocLayout, resolvedDataDoc);
+        let layoutDoc = childDocLayout;
+        if (resolvedDataDoc && Doc.WillExpandTemplateLayout(childDocLayout, resolvedDataDoc)) {
+            Doc.UpdateDocumentExtensionForField(resolvedDataDoc, this.props.fieldKey);
+            let fieldExtensionDoc = Doc.resolvedFieldDataDoc(resolvedDataDoc, StrCast(childDocLayout.templateField, StrCast(childDocLayout.title)), "dummy");
+            layoutDoc = Doc.expandTemplateLayout(childDocLayout, fieldExtensionDoc !== resolvedDataDoc ? fieldExtensionDoc : undefined);
+        } else layoutDoc = Doc.expandTemplateLayout(childDocLayout, resolvedDataDoc);
         return {
             DataDoc: resolvedDataDoc !== layoutDoc && resolvedDataDoc ? resolvedDataDoc : undefined,
             Document: layoutDoc,
@@ -478,42 +485,53 @@ export class CollectionFreeFormView extends CollectionSubView(PanZoomDocument) {
             }
         });
         ContextMenu.Instance.addItem({
-            description: "Add freeform arrangement",
-            event: () => {
-                let addOverlay = (key: "arrangeScript" | "arrangeInit", options: OverlayElementOptions, params?: Record<string, string>, requiredType?: string) => {
-                    let overlayDisposer: () => void = emptyFunction;
-                    const script = this.Document[key];
-                    let originalText: string | undefined = undefined;
-                    if (script) originalText = script.script.originalScript;
-                    // tslint:disable-next-line: no-unnecessary-callback-wrapper
-                    let scriptingBox = <ScriptBox initialText={originalText} onCancel={() => overlayDisposer()} onSave={(text, onError) => {
-                        const script = CompileScript(text, {
-                            params,
-                            requiredType,
-                            typecheck: false
-                        });
-                        if (!script.compiled) {
-                            onError(script.errors.map(error => error.messageText).join("\n"));
-                            return;
-                        }
-                        const docs = DocListCast(this.Document[this.props.fieldKey]);
-                        docs.map(d => d.transition = "transform 1s");
-                        this.Document[key] = new ScriptField(script);
-                        overlayDisposer();
-                        setTimeout(() => docs.map(d => d.transition = undefined), 1200);
-                    }} />;
-                    overlayDisposer = OverlayView.Instance.addWindow(scriptingBox, options);
-                };
-                addOverlay("arrangeInit", { x: 400, y: 100, width: 400, height: 300, title: "Layout Initialization" }, { collection: "Doc", docs: "Doc[]" }, undefined);
-                addOverlay("arrangeScript", { x: 400, y: 500, width: 400, height: 300, title: "Layout Script" }, { doc: "Doc", index: "number", collection: "Doc", state: "any", docs: "Doc[]" }, "{x: number, y: number, width?: number, height?: number}");
+            description: "Analyze Strokes", event: async () => {
+                let data = Cast(this.fieldExtensionDoc[this.inkKey], InkField);
+                if (!data) {
+                    return;
+                }
+                CognitiveServices.Inking.analyze(data.inkData, Doc.GetProto(this.props.Document));
             }
         });
     }
 
+
     private childViews = () => [
         <CollectionFreeFormBackgroundView key="backgroundView" {...this.props} {...this.getDocumentViewProps(this.props.Document)} />,
         ...this.views
     ]
+
+    public static AddCustomLayout(doc: Doc, dataKey: string): () => void {
+        return () => {
+            let addOverlay = (key: "arrangeScript" | "arrangeInit", options: OverlayElementOptions, params?: Record<string, string>, requiredType?: string) => {
+                let overlayDisposer: () => void = emptyFunction;
+                const script = Cast(doc[key], ScriptField);
+                let originalText: string | undefined = undefined;
+                if (script) originalText = script.script.originalScript;
+                // tslint:disable-next-line: no-unnecessary-callback-wrapper
+                let scriptingBox = <ScriptBox initialText={originalText} onCancel={() => overlayDisposer()} onSave={(text, onError) => {
+                    const script = CompileScript(text, {
+                        params,
+                        requiredType,
+                        typecheck: false
+                    });
+                    if (!script.compiled) {
+                        onError(script.errors.map(error => error.messageText).join("\n"));
+                        return;
+                    }
+                    const docs = DocListCast(doc[dataKey]);
+                    docs.map(d => d.transition = "transform 1s");
+                    doc[key] = new ScriptField(script);
+                    overlayDisposer();
+                    setTimeout(() => docs.map(d => d.transition = undefined), 1200);
+                }} />;
+                overlayDisposer = OverlayView.Instance.addWindow(scriptingBox, options);
+            };
+            addOverlay("arrangeInit", { x: 400, y: 100, width: 400, height: 300, title: "Layout Initialization" }, { collection: "Doc", docs: "Doc[]" }, undefined);
+            addOverlay("arrangeScript", { x: 400, y: 500, width: 400, height: 300, title: "Layout Script" }, { doc: "Doc", index: "number", collection: "Doc", state: "any", docs: "Doc[]" }, "{x: number, y: number, width?: number, height?: number}");
+        };
+    }
+
     render() {
         const easing = () => this.props.Document.panTransformType === "Ease";