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

1 files changed, 101 insertions, 67 deletions

diff --git a/src/client/documents/Documents.ts b/src/client/documents/Documents.ts
index aaf3d3d11..ba0f69846 100644
--- a/src/client/documents/Documents.ts
+++ b/src/client/documents/Documents.ts
@@ -29,7 +29,7 @@ import { listSpec } from "../../new_fields/Schema";
 import { DocServer } from "../DocServer";
 import { dropActionType } from "../util/DragManager";
 import { DateField } from "../../new_fields/DateField";
-import { UndoManager } from "../util/UndoManager";
+import { UndoManager, undoBatch } from "../util/UndoManager";
 import { YoutubeBox } from "../apis/youtube/YoutubeBox";
 import { CollectionDockingView } from "../views/collections/CollectionDockingView";
 import { LinkManager } from "../util/LinkManager";
@@ -54,42 +54,53 @@ import { DocumentBox } from "../views/nodes/DocumentBox";
 import { InkingStroke } from "../views/InkingStroke";
 import { InkField } from "../../new_fields/InkField";
 import { InkingControl } from "../views/InkingControl";
+import { RichTextField } from "../../new_fields/RichTextField";
+import { Networking } from "../Network";
 const requestImageSize = require('../util/request-image-size');
 const path = require('path');
 
 export interface DocumentOptions {
+    _autoHeight?: boolean;
+    _panX?: number;
+    _panY?: number;
+    _width?: number;
+    _height?: number;
+    _nativeWidth?: number;
+    _nativeHeight?: number;
+    _fitWidth?: boolean;
+    _fitToBox?: boolean; // whether a freeformview should zoom/scale to create a shrinkwrapped view of its contents
+    _LODdisable?: boolean;
+    dropAction?: dropActionType;
+    _chromeStatus?: string;
+    _viewType?: number;
+    _gridGap?: number; // gap between items in masonry view
+    _xMargin?: number; // gap between left edge of document and start of masonry/stacking layouts
+    _yMargin?: number; // gap between top edge of dcoument and start of masonry/stacking layouts
+    _textTemplate?: RichTextField; // template used by a formattedTextBox to create a text box to render
+    _itemIndex?: number; // which item index the carousel viewer is showing
+    _showSidebar?: boolean;  //whether an annotationsidebar should be displayed for text docuemnts
     x?: number;
     y?: number;
     z?: number;
+    layoutKey?: string;
     type?: string;
-    width?: number;
-    height?: number;
-    nativeWidth?: number;
-    nativeHeight?: number;
     title?: string;
-    panX?: number;
-    panY?: number;
     page?: number;
     scale?: number;
-    fitWidth?: boolean;
-    fitToBox?: boolean; // whether a freeformview should zoom/scale to create a shrinkwrapped view of its contents
     isDisplayPanel?: boolean; // whether the panel functions as GoldenLayout "stack" used to display documents
     forceActive?: boolean;
     preventTreeViewOpen?: boolean; // ignores the treeViewOpen Doc flag which allows a treeViewItem's expande/collapse state to be independent of other views of the same document in the tree view
     layout?: string | Doc;
     hideHeadings?: boolean; // whether stacking view column headings should be hidden
-    isTemplateField?: boolean;
+    isTemplateForField?: string; // the field key for which the containing document is a rendering template
     isTemplateDoc?: boolean;
     templates?: List<string>;
-    viewType?: number;
-    backgroundColor?: string;
+    backgroundColor?: string | ScriptField;
     ignoreClick?: boolean;
     lockedPosition?: boolean; // lock the x,y coordinates of the document so that it can't be dragged
     lockedTransform?: boolean; // lock the panx,pany and scale parameters of the document so that it be panned/zoomed
     opacity?: number;
     defaultBackgroundColor?: string;
-    dropAction?: dropActionType;
-    chromeStatus?: string;
     columnWidth?: number;
     fontSize?: number;
     curPage?: number;
@@ -98,22 +109,23 @@ export interface DocumentOptions {
     documentText?: string;
     borderRounding?: string;
     boxShadow?: string;
+    showTitle?: string;
     sectionFilter?: string; // field key used to determine headings for sections in stacking and masonry views
     schemaColumns?: List<SchemaHeaderField>;
     dockingConfig?: string;
-    autoHeight?: boolean;
     annotationOn?: Doc;
     removeDropProperties?: List<string>; // list of properties that should be removed from a document when it is dropped.  e.g., a creator button may be forceActive to allow it be dragged, but the forceActive property can be removed from the dropped document
     dbDoc?: Doc;
     ischecked?: ScriptField; // returns whether a font icon box is checked
     activePen?: Doc; // which pen document is currently active (used as the radio button state for the 'unhecked' pen tool scripts)
     onClick?: ScriptField;
+    onChildClick?: ScriptField; // script given to children of a collection to execute when they are clicked
+    onPointerDown?: ScriptField;
+    onPointerUp?: ScriptField;
     dragFactory?: Doc; // document to create when dragging with a suitable onDragStart script
     onDragStart?: ScriptField; //script to execute at start of drag operation --  e.g., when a "creator" button is dragged this script generates a different document to drop
+    clipboard?: Doc; //script to execute at start of drag operation --  e.g., when a "creator" button is dragged this script generates a different document to drop
     icon?: string;
-    gridGap?: number; // gap between items in masonry view
-    xMargin?: number; // gap between left edge of document and start of masonry/stacking layouts
-    yMargin?: number; // gap between top edge of dcoument and start of masonry/stacking layouts
     sourcePanel?: Doc; // panel to display in 'targetContainer' as the result of a button onClick script
     targetContainer?: Doc; // document whose proto will be set to 'panel' as the result of a onClick click script
     dropConverter?: ScriptField; // script to run when documents are dropped on this Document.
@@ -121,9 +133,14 @@ export interface DocumentOptions {
     color?: string;
     treeViewHideTitle?: boolean; // whether to hide the title of a tree view
     treeViewOpen?: boolean; // whether this document is expanded in a tree view
+    treeViewChecked?: ScriptField; // script to call when a tree view checkbox is checked
     isFacetFilter?: boolean; // whether document functions as a facet filter in a tree view
     limitHeight?: number; // maximum height for newly created (eg, from pasting) text documents
     // [key: string]: Opt<Field>;
+    pointerHack?: boolean; // for buttons, allows onClick handler to fire onPointerDown
+    isExpanded?: boolean; // is linear view expanded
+    textTransform?: string; // is linear view expanded
+    letterSpacing?: string; // is linear view expanded
 }
 
 class EmptyBox {
@@ -151,19 +168,19 @@ export namespace Docs {
         const TemplateMap: TemplateMap = new Map([
             [DocumentType.TEXT, {
                 layout: { view: FormattedTextBox, dataField: data },
-                options: { height: 150, backgroundColor: "#f1efeb", defaultBackgroundColor: "#f1efeb" }
+                options: { _height: 150, backgroundColor: "#f1efeb", defaultBackgroundColor: "#f1efeb" }
             }],
             [DocumentType.HIST, {
                 layout: { view: HistogramBox, dataField: data },
-                options: { height: 300, backgroundColor: "black" }
+                options: { _height: 300, backgroundColor: "black" }
             }],
             [DocumentType.QUERY, {
                 layout: { view: QueryBox, dataField: data },
-                options: { width: 400 }
+                options: { _width: 400 }
             }],
             [DocumentType.COLOR, {
                 layout: { view: ColorBox, dataField: data },
-                options: { nativeWidth: 220, nativeHeight: 300 }
+                options: { _nativeWidth: 220, _nativeHeight: 300 }
             }],
             [DocumentType.IMG, {
                 layout: { view: ImageBox, dataField: data },
@@ -171,19 +188,19 @@ export namespace Docs {
             }],
             [DocumentType.WEB, {
                 layout: { view: WebBox, dataField: data },
-                options: { height: 300 }
+                options: { _height: 300 }
             }],
             [DocumentType.COL, {
                 layout: { view: CollectionView, dataField: data },
-                options: { panX: 0, panY: 0, scale: 1, width: 500, height: 500 }
+                options: { _panX: 0, _panY: 0, scale: 1 } // , _width: 500, _height: 500 }
             }],
             [DocumentType.KVP, {
                 layout: { view: KeyValueBox, dataField: data },
-                options: { height: 150 }
+                options: { _height: 150 }
             }],
             [DocumentType.DOCUMENT, {
                 layout: { view: DocumentBox, dataField: data },
-                options: { height: 250 }
+                options: { _height: 250 }
             }],
             [DocumentType.VID, {
                 layout: { view: VideoBox, dataField: data },
@@ -191,7 +208,7 @@ export namespace Docs {
             }],
             [DocumentType.AUDIO, {
                 layout: { view: AudioBox, dataField: data },
-                options: { height: 35, backgroundColor: "lightGray" }
+                options: { _height: 35, backgroundColor: "lightGray" }
             }],
             [DocumentType.PDF, {
                 layout: { view: PDFBox, dataField: data },
@@ -199,11 +216,11 @@ export namespace Docs {
             }],
             [DocumentType.ICON, {
                 layout: { view: IconBox, dataField: data },
-                options: { width: Number(MINIMIZED_ICON_SIZE), height: Number(MINIMIZED_ICON_SIZE) },
+                options: { _width: Number(MINIMIZED_ICON_SIZE), _height: Number(MINIMIZED_ICON_SIZE) },
             }],
             [DocumentType.IMPORT, {
                 layout: { view: DirectoryImportBox, dataField: data },
-                options: { height: 150 }
+                options: { _height: 150 }
             }],
             [DocumentType.LINKDOC, {
                 data: new List<Doc>(),
@@ -221,7 +238,7 @@ export namespace Docs {
             }],
             [DocumentType.FONTICON, {
                 layout: { view: FontIconBox, dataField: data },
-                options: { width: 40, height: 40, borderRounding: "100%" },
+                options: { _width: 40, _height: 40, borderRounding: "100%" },
             }],
             [DocumentType.LINKFOLLOW, {
                 layout: { view: LinkFollowBox, dataField: data }
@@ -239,7 +256,7 @@ export namespace Docs {
         ]);
 
         // All document prototypes are initialized with at least these values
-        const defaultOptions: DocumentOptions = { x: 0, y: 0, width: 300 };
+        const defaultOptions: DocumentOptions = { x: 0, y: 0, _width: 300 }; // bcz: do we really want to set anything here?  could also try to set in render() methods for types that need a default
         const suffix = "Proto";
 
         /**
@@ -317,7 +334,8 @@ export namespace Docs {
             // whatever options pertain to this specific prototype
             const options = { title, type, baseProto: true, ...defaultOptions, ...(template.options || {}) };
             options.layout = layout.view.LayoutString(layout.dataField);
-            return Doc.assign(new Doc(prototypeId, true), { ...options });
+            const doc = Doc.assign(new Doc(prototypeId, true), { layoutKey: "layout", ...options });
+            return doc;
         }
 
     }
@@ -328,7 +346,14 @@ export namespace Docs {
      */
     export namespace Create {
 
-        const delegateKeys = ["x", "y", "width", "height", "panX", "panY", "nativeWidth", "nativeHeight", "dropAction", "annotationOn", "forceActive", "fitWidth"];
+        export async function Buxton() {
+            console.log(await Networking.FetchFromServer("/newBuxton"));
+        }
+
+        Scripting.addGlobal(Buxton);
+
+        const delegateKeys = ["x", "y", "layoutKey", "_width", "_height", "_panX", "_panY", "_viewType", "_nativeWidth", "_nativeHeight", "dropAction", "_annotationOn",
+            "_chromeStatus", "_forceActive", "_autoHeight", "_fitWidth", "_LODdisable", "_itemIndex", "_showSidebar", "showTitle"];
 
         /**
          * This function receives the relevant document prototype and uses
@@ -398,11 +423,11 @@ export namespace Docs {
             requestImageSize(target)
                 .then((size: any) => {
                     const aspect = size.height / size.width;
-                    if (!inst.nativeWidth) {
-                        inst.nativeWidth = size.width;
+                    if (!inst._nativeWidth) {
+                        inst._nativeWidth = size.width;
                     }
-                    inst.nativeHeight = NumCast(inst.nativeWidth) * aspect;
-                    inst.height = NumCast(inst.width) * aspect;
+                    inst._nativeHeight = NumCast(inst._nativeWidth) * aspect;
+                    inst._height = NumCast(inst._width) * aspect;
                 })
                 .catch((err: any) => console.log(err));
             // }
@@ -440,8 +465,8 @@ export namespace Docs {
             return InstanceFromProto(Prototypes.get(DocumentType.COLOR), "", options);
         }
 
-        export function TextDocument(options: DocumentOptions = {}) {
-            return InstanceFromProto(Prototypes.get(DocumentType.TEXT), "", options);
+        export function TextDocument(text: string, options: DocumentOptions = {}) {
+            return InstanceFromProto(Prototypes.get(DocumentType.TEXT), text, options);
         }
 
         export function InkDocument(color: string, tool: number, strokeWidth: number, points: { X: number, Y: number }[], options: DocumentOptions = {}) {
@@ -465,7 +490,7 @@ export namespace Docs {
             const ctlog = await Gateway.Instance.GetSchema(url, schemaName);
             if (ctlog && ctlog.schemas) {
                 const schema = ctlog.schemas[0];
-                const schemaDoc = Docs.Create.TreeDocument([], { ...options, nativeWidth: undefined, nativeHeight: undefined, width: 150, height: 100, title: schema.displayName! });
+                const schemaDoc = Docs.Create.TreeDocument([], { ...options, _nativeWidth: undefined, _nativeHeight: undefined, _width: 150, _height: 100, title: schema.displayName! });
                 const schemaDocuments = Cast(schemaDoc.data, listSpec(Doc), []);
                 if (!schemaDocuments) {
                     return;
@@ -482,13 +507,13 @@ export namespace Docs {
                                 new AttributeTransformationModel(atmod, AggregateFunction.None),
                                 new AttributeTransformationModel(atmod, AggregateFunction.Count),
                                 new AttributeTransformationModel(atmod, AggregateFunction.Count));
-                            docs.push(Docs.Create.HistogramDocument(histoOp, { ...columnOptions, width: 200, height: 200, title: attr.displayName! }));
+                            docs.push(Docs.Create.HistogramDocument(histoOp, { ...columnOptions, _width: 200, _height: 200, title: attr.displayName! }));
                         }
                     }));
                 });
                 return schemaDoc;
             }
-            return Docs.Create.TreeDocument([], { width: 50, height: 100, title: schemaName });
+            return Docs.Create.TreeDocument([], { _width: 50, _height: 100, title: schemaName });
         }
 
         export function WebDocument(url: string, options: DocumentOptions = {}) {
@@ -508,27 +533,35 @@ export namespace Docs {
         }
 
         export function FreeformDocument(documents: Array<Doc>, options: DocumentOptions, id?: string) {
-            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, viewType: CollectionViewType.Freeform }, id);
+            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, _viewType: CollectionViewType.Freeform }, id);
         }
 
         export function LinearDocument(documents: Array<Doc>, options: DocumentOptions, id?: string) {
-            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { chromeStatus: "collapsed", backgroundColor: "black", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, viewType: CollectionViewType.Linear }, id);
+            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", backgroundColor: "black", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, _viewType: CollectionViewType.Linear }, id);
+        }
+
+        export function CarouselDocument(documents: Array<Doc>, options: DocumentOptions) {
+            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, _viewType: CollectionViewType.Carousel });
         }
 
         export function SchemaDocument(schemaColumns: SchemaHeaderField[], documents: Array<Doc>, options: DocumentOptions) {
-            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { chromeStatus: "collapsed", schemaColumns: new List(schemaColumns), ...options, viewType: CollectionViewType.Schema });
+            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", schemaColumns: new List(schemaColumns), ...options, _viewType: CollectionViewType.Schema });
         }
 
         export function TreeDocument(documents: Array<Doc>, options: DocumentOptions) {
-            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, viewType: CollectionViewType.Tree });
+            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, _viewType: CollectionViewType.Tree });
         }
 
         export function StackingDocument(documents: Array<Doc>, options: DocumentOptions) {
-            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, viewType: CollectionViewType.Stacking });
+            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, _viewType: CollectionViewType.Stacking });
+        }
+
+        export function MulticolumnDocument(documents: Array<Doc>, options: DocumentOptions) {
+            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, _viewType: CollectionViewType.Multicolumn });
         }
 
         export function MasonryDocument(documents: Array<Doc>, options: DocumentOptions) {
-            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, viewType: CollectionViewType.Masonry });
+            return InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { _chromeStatus: "collapsed", schemaColumns: new List([new SchemaHeaderField("title", "#f1efeb")]), ...options, _viewType: CollectionViewType.Masonry });
         }
 
         export function ButtonDocument(options?: DocumentOptions) {
@@ -549,7 +582,7 @@ export namespace Docs {
         }
 
         export function DockDocument(documents: Array<Doc>, config: string, options: DocumentOptions, id?: string) {
-            const inst = InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { ...options, viewType: CollectionViewType.Docking, dockingConfig: config }, id);
+            const inst = InstanceFromProto(Prototypes.get(DocumentType.COL), new List(documents), { ...options, _viewType: CollectionViewType.Docking, dockingConfig: config }, id);
             Doc.GetProto(inst).data = new List<Doc>(documents);
             return inst;
         }
@@ -671,37 +704,38 @@ export namespace Docs {
             const field = target[fieldKey];
             const resolved = options || {};
             if (field instanceof ImageField) {
-                created = Docs.Create.ImageDocument((field as ImageField).url.href, resolved);
+                created = Docs.Create.ImageDocument((field).url.href, resolved);
                 layout = ImageBox.LayoutString;
             } else if (field instanceof Doc) {
                 created = field;
             } else if (field instanceof VideoField) {
-                created = Docs.Create.VideoDocument((field as VideoField).url.href, resolved);
+                created = Docs.Create.VideoDocument((field).url.href, resolved);
                 layout = VideoBox.LayoutString;
             } else if (field instanceof PdfField) {
-                created = Docs.Create.PdfDocument((field as PdfField).url.href, resolved);
+                created = Docs.Create.PdfDocument((field).url.href, resolved);
                 layout = PDFBox.LayoutString;
             } else if (field instanceof IconField) {
-                created = Docs.Create.IconDocument((field as IconField).icon, resolved);
+                created = Docs.Create.IconDocument((field).icon, resolved);
                 layout = IconBox.LayoutString;
             } else if (field instanceof AudioField) {
-                created = Docs.Create.AudioDocument((field as AudioField).url.href, resolved);
+                created = Docs.Create.AudioDocument((field).url.href, resolved);
                 layout = AudioBox.LayoutString;
             } else if (field instanceof HistogramField) {
-                created = Docs.Create.HistogramDocument((field as HistogramField).HistoOp, resolved);
+                created = Docs.Create.HistogramDocument((field).HistoOp, resolved);
                 layout = HistogramBox.LayoutString;
             } else if (field instanceof InkField) {
                 const { selectedColor, selectedWidth, selectedTool } = InkingControl.Instance;
-                created = Docs.Create.InkDocument(selectedColor, selectedTool, Number(selectedWidth), (field as InkField).inkData, resolved);
+                created = Docs.Create.InkDocument(selectedColor, selectedTool, Number(selectedWidth), (field).inkData, resolved);
                 layout = InkingStroke.LayoutString;
             } else if (field instanceof List && field[0] instanceof Doc) {
                 created = Docs.Create.StackingDocument(DocListCast(field), resolved);
                 layout = CollectionView.LayoutString;
             } else {
-                created = Docs.Create.TextDocument({ ...{ width: 200, height: 25, autoHeight: true }, ...resolved });
+                created = Docs.Create.TextDocument("", { ...{ _width: 200, _height: 25, _autoHeight: true }, ...resolved });
                 layout = FormattedTextBox.LayoutString;
             }
             created.layout = layout?.(fieldKey);
+            created.title = fieldKey;
             proto && (created.proto = Doc.GetProto(proto));
             return created;
         }
@@ -710,20 +744,20 @@ export namespace Docs {
             let ctor: ((path: string, options: DocumentOptions) => (Doc | Promise<Doc | undefined>)) | undefined = undefined;
             if (type.indexOf("image") !== -1) {
                 ctor = Docs.Create.ImageDocument;
-                if (!options.width) options.width = 300;
+                if (!options._width) options._width = 300;
             }
             if (type.indexOf("video") !== -1) {
                 ctor = Docs.Create.VideoDocument;
-                if (!options.width) options.width = 600;
-                if (!options.height) options.height = options.width * 2 / 3;
+                if (!options._width) options._width = 600;
+                if (!options._height) options._height = options._width * 2 / 3;
             }
             if (type.indexOf("audio") !== -1) {
                 ctor = Docs.Create.AudioDocument;
             }
             if (type.indexOf("pdf") !== -1) {
                 ctor = Docs.Create.PdfDocument;
-                if (!options.width) options.width = 400;
-                if (!options.height) options.height = options.width * 1200 / 927;
+                if (!options._width) options._width = 400;
+                if (!options._height) options._height = options._width * 1200 / 927;
             }
             if (type.indexOf("excel") !== -1) {
                 ctor = Docs.Create.DBDocument;
@@ -738,15 +772,15 @@ export namespace Docs {
                             const alias = Doc.MakeAlias(field);
                             alias.x = options.x || 0;
                             alias.y = options.y || 0;
-                            alias.width = options.width || 300;
-                            alias.height = options.height || options.width || 300;
+                            alias._width = options._width || 300;
+                            alias._height = options._height || options._width || 300;
                             return alias;
                         }
                         return undefined;
                     });
                 }
                 ctor = Docs.Create.WebDocument;
-                options = { height: options.width, ...options, title: path, nativeWidth: undefined };
+                options = { _height: options._width, ...options, title: path, _nativeWidth: undefined };
             }
             return ctor ? ctor(path, options) : undefined;
         }
@@ -807,8 +841,8 @@ export namespace DocUtils {
             linkDocProto.anchor2Groups = new List<Doc>([]);
             linkDocProto.anchor1Timecode = source.doc.currentTimecode;
             linkDocProto.anchor2Timecode = target.doc.currentTimecode;
-            linkDocProto.layoutKey1 = DocuLinkBox.LayoutString("anchor1");
-            linkDocProto.layoutKey2 = DocuLinkBox.LayoutString("anchor2");
+            linkDocProto.layout_key1 = DocuLinkBox.LayoutString("anchor1");
+            linkDocProto.layout_key2 = DocuLinkBox.LayoutString("anchor2");
             linkDocProto.width = linkDocProto.height = 0;
             linkDocProto.isBackground = true;
             linkDocProto.isButton = true;