import { observable, reaction, runInAction } from "mobx";
import * as rp from 'request-promise';
import { OmitKeys, Utils } from "../../Utils";
import { Doc, DocListCast, DocListCastAsync, Opt } from "../../fields/Doc";
import { DocData } from "../../fields/DocSymbols";
import { InkTool } from "../../fields/InkField";
import { List } from "../../fields/List";
import { PrefetchProxy } from "../../fields/Proxy";
import { RichTextField } from "../../fields/RichTextField";
import { listSpec } from "../../fields/Schema";
import { ScriptField } from "../../fields/ScriptField";
import { Cast, DateCast, DocCast, StrCast } from "../../fields/Types";
import { WebField, nullAudio } from "../../fields/URLField";
import { SetCachedGroups, SharingPermissions } from "../../fields/util";
import { GestureUtils } from "../../pen-gestures/GestureUtils";
import { DocServer } from "../DocServer";
import { CollectionViewType, DocumentType } from "../documents/DocumentTypes";
import { DocUtils, Docs, DocumentOptions, FInfo, FInfoFieldType } from "../documents/Documents";
import { DashboardView } from "../views/DashboardView";
import { OverlayView } from "../views/OverlayView";
import { CollectionTreeView, TreeViewType } from "../views/collections/CollectionTreeView";
import { Colors } from "../views/global/globalEnums";
import { media_state } from "../views/nodes/AudioBox";
import { OpenWhere } from "../views/nodes/DocumentView";
import { ButtonType, FontIconBox } from "../views/nodes/FontIconBox/FontIconBox";
import { ImportElementBox } from "../views/nodes/importBox/ImportElementBox";
import { DragManager, dropActionType } from "./DragManager";
import { MakeTemplate } from "./DropConverter";
import { FollowLinkScript } from "./LinkFollower";
import { LinkManager } from "./LinkManager";
import { ScriptingGlobals } from "./ScriptingGlobals";
import { ColorScheme } from "./SettingsManager";
import { SnappingManager } from "./SnappingManager";
import { UndoManager } from "./UndoManager";
import { LabelBox } from "../views/nodes/LabelBox";
import { ImageBox } from "../views/nodes/ImageBox";

interface Button {
    // DocumentOptions fields a button can set
    title?: string;
    toolTip?: string;
    icon?: string;
    btnType?: ButtonType;
    numBtnMin?: number;
    numBtnMax?: number;
    switchToggle?: boolean;
    width?: number;
    linearBtnWidth?: number;
    toolType?: string; // type of pen tool
    expertMode?: boolean;// available only in expert mode
    btnList?: List<string>;
    ignoreClick?: boolean;
    buttonText?: string;
    backgroundColor?: string;
    waitForDoubleClickToClick?: boolean;

    // fields that do not correspond to DocumentOption fields
    scripts?: { script?: string; onClick?: string; onDoubleClick?: string }
    funcs?: { [key:string]: any};
    subMenu?: Button[];
}

export let resolvedPorts: { server: number, socket: number };
export class CurrentUserUtils {

    // initializes experimental advanced template views - slideView,  headerView
    static setupUserDocumentCreatorButtons(doc: Doc, userDocTemplates: Opt<Doc>) {
        const userTemplates = DocListCast(userDocTemplates?.data).filter(doc => !Doc.IsSystem(doc));
        const reqdOpts:DocumentOptions = {
            title: "User Tools", _xMargin: 0, _layout_showTitle: "title", _chromeHidden: true, hidden: false,
            _dragOnlyWithinContainer: true, layout_hideContextMenu: true, isSystem: true, _forceActive: true,
            _layout_autoHeight: true, _width: 500, _height: 300, _layout_fitWidth: true, _columnWidth: 35, ignoreClick: true, _lockedPosition: true,
        };
        const reqdScripts = { dropConverter : "convertToButtons(dragData)" };
        const reqdFuncs = { /* hidden: "IsNoviceMode()"  */ };
        return DocUtils.AssignScripts(userDocTemplates ?? Docs.Create.MasonryDocument(userTemplates, reqdOpts), reqdScripts, reqdFuncs);
    }

    /// Initializes templates for editing click funcs of a document 
    static setupChildClickEditors(doc: Doc, field = "clickFuncs-child") {
        const tempClicks = DocCast(doc[field]);
        const reqdClickOpts:DocumentOptions = {_width: 300, _height:200, isSystem: true};
        const reqdTempOpts:{opts:DocumentOptions, script: string}[] = [
            { opts: { title: "Open In Target",        targetScriptKey: "onChildClick"},       script: "docCastAsync(documentView?.containerViewPath().lastElement()?.Document.target).then((target) => target && (target.proto.data = new List([this])))"},
            { opts: { title: "Open Detail On Right",  targetScriptKey: "onChildDoubleClick"}, script: `openDoc(this.doubleClickView.${OpenWhere.addRight})`}];
        const reqdClickList = reqdTempOpts.map(opts => {
            const allOpts = {...reqdClickOpts, ...opts.opts};
            const clickDoc = tempClicks ? DocListCast(tempClicks.data).find(doc => doc.title === opts.opts.title): undefined;
            return DocUtils.AssignOpts(clickDoc, allOpts) ?? Docs.Create.ScriptingDocument(ScriptField.MakeScript(opts.script, allOpts),allOpts);
        });

        const reqdOpts:DocumentOptions = { title: "child click editors", _height:75, isSystem: true};
        return DocUtils.AssignOpts(tempClicks, reqdOpts, reqdClickList) ?? (doc[field] = Docs.Create.TreeDocument(reqdClickList, reqdOpts));
    }

    /// Initializes templates for editing click funcs of a document 
    static setupClickEditorTemplates(doc: Doc, field = "template_clickFuncs") {
        const tempClicks = DocCast(doc[field]);
        const reqdClickOpts:DocumentOptions = { _width: 300, _height:200, isSystem: true};
        const reqdTempOpts:{opts:DocumentOptions, script: string}[] = [
            { opts: { title: "onClick"},             script: "console.log('click')"},
            { opts: { title: "onDoubleClick"},       script: "console.log('click')"},
            { opts: { title: "onChildClick"},        script: "console.log('click')"},
            { opts: { title: "onChildDoubleClick"},  script: "console.log('click')"},
            { opts: { title: "onCheckedClick"},      script: "console.log(heading, checked, containingTreeView)"},
        ];
        const reqdClickList = reqdTempOpts.map(opts => {
            const title = opts.opts.title?.toString();
            const allOpts = {...reqdClickOpts, ...opts.opts};
            const clickDoc = tempClicks ? DocListCast(tempClicks.data).find(doc => doc.title === title): undefined;
            const script = ScriptField.MakeScript(opts.script, {heading:Doc.name, checked:"boolean", containingTreeView:Doc.name});
            const scriptDoc = Docs.Create.ScriptingDocument(script, allOpts, title)
            return DocUtils.AssignOpts(clickDoc, allOpts) ?? MakeTemplate(scriptDoc);
        });

        const reqdOpts:DocumentOptions = {title: "click editor templates", _height:75, isSystem: true};
        return DocUtils.AssignOpts(tempClicks, reqdOpts, reqdClickList) ?? (doc[field] = Docs.Create.TreeDocument(reqdClickList, reqdOpts));
    }

    /// Initializes templates that can be applied to notes
    static setupNoteTemplates(doc: Doc, field="template_notes") {
        const tempNotes = DocCast(doc[field]);
        const reqdTempOpts:DocumentOptions[] = [
            { title: "Postit", backgroundColor: "yellow",    icon: "sticky-note", _layout_showTitle: "title", layout_borderRounding: "5px"},
            { title: "Idea",   backgroundColor: "pink",      icon: "lightbulb"  , _layout_showTitle: "title"},
            { title: "Topic",  backgroundColor: "lightblue", icon: "book-open"  , _layout_showTitle: "title"}];
        const reqdNoteList = [...reqdTempOpts.map(opts => {
            const reqdOpts = {...opts, isSystem:true, width:200, layout_autoHeight: true, layout_fitWidth: true};
            const noteTemp = tempNotes ? DocListCast(tempNotes.data).find(doc => doc.title === opts.title): undefined;
            return DocUtils.AssignOpts(noteTemp, reqdOpts) ?? MakeTemplate(Docs.Create.TextDocument("",reqdOpts));
        }), ... DocListCast(tempNotes?.data).filter(note => !reqdTempOpts.find(reqd => reqd.title === note.title))];

        const reqdOpts:DocumentOptions = { title: "Note Layouts", _height: 75, isSystem: true };
        return DocUtils.AssignOpts(tempNotes, reqdOpts, reqdNoteList) ?? (doc[field] = Docs.Create.TreeDocument(reqdNoteList, reqdOpts));
    }
    static setupUserTemplates(doc: Doc, field="template_user") {
        const tempUsers = DocCast(doc[field]);
        const reqdUserList = DocListCast(tempUsers?.data);

        const reqdOpts:DocumentOptions = { title: "User Layouts", _height: 75, isSystem: true };
        return DocUtils.AssignOpts(tempUsers, reqdOpts, reqdUserList) ?? (doc[field] = Docs.Create.TreeDocument(reqdUserList, reqdOpts));
    }

    /// Initializes collection of templates for notes and click functions
    static setupDocTemplates(doc: Doc, field="myTemplates") {
        const templates = [
            CurrentUserUtils.setupNoteTemplates(doc),
            CurrentUserUtils.setupUserTemplates(doc),
            CurrentUserUtils.setupClickEditorTemplates(doc)
        ];
        CurrentUserUtils.setupChildClickEditors(doc)
        const reqdOpts = { title: "template layouts", _xMargin: 0, isSystem: true,  };
        const reqdScripts = {  dropConverter: "convertToButtons(dragData)"  };
        return DocUtils.AssignDocField(doc, field, (opts,items) => Docs.Create.TreeDocument(items??[], opts), reqdOpts, templates, reqdScripts);
    }

    // setup templates for different document types when they are iconified from Document Decorations
    static setupDefaultIconTemplates(doc: Doc, field="template_icons") {
        const reqdOpts = { title: "icon templates", _height: 75, isSystem: true };
        const templateIconsDoc = DocUtils.AssignOpts(DocCast(doc[field]), reqdOpts) ?? (doc[field] = Docs.Create.TreeDocument([], reqdOpts));

        const makeIconTemplate = (type: DocumentType | undefined, templateField: string, opts:DocumentOptions) => {
            const title = "icon" + (type ? "_" + type : "");
            const curIcon = DocCast(templateIconsDoc[title]);
            let creator = labelBox;
            switch (opts.iconTemplate) {
                case DocumentType.IMG : creator = imageBox; break;
                case DocumentType.FONTICON: creator = fontBox; break;
            }
            const allopts = {isSystem: true, onClickScriptDisable: "never",  ...opts, title};
            return DocUtils.AssignScripts(  (curIcon?.iconTemplate === opts.iconTemplate ? 
                      DocUtils.AssignOpts(curIcon, allopts):undefined) ?? ((templateIconsDoc[title] = MakeTemplate(creator(allopts, templateField)))),
                {onClick:"deiconifyView(documentView)", onDoubleClick: "deiconifyViewToLightbox(documentView)", });
        };
        const labelBox = (opts: DocumentOptions, fieldKey:string) => Docs.Create.LabelDocument({
            layout: LabelBox.LayoutString(fieldKey), textTransform: "unset", letterSpacing: "unset", _singleLine: false, _label_minFontSize: 14, _label_maxFontSize: 14, layout_borderRounding: "5px",  _width: 150, _height: 70, _xPadding: 10, _yPadding: 10, ...opts
        });
        const imageBox = (opts: DocumentOptions, fieldKey:string) => Docs.Create.ImageDocument( "http://www.cs.brown.edu/~bcz/noImage.png", { layout:ImageBox.LayoutString(fieldKey), "icon_nativeWidth": 360 / 4, "icon_nativeHeight": 270 / 4, iconTemplate:DocumentType.IMG,  _width: 360 / 4, _height: 270 / 4,  _layout_showTitle: "title", ...opts });
        const fontBox = (opts:DocumentOptions, fieldKey:string) => Docs.Create.FontIconDocument({ layout:FontIconBox.LayoutString(fieldKey), _nativeHeight: 30, _nativeWidth: 30, _width: 30, _height: 30, ...opts  });
        const iconTemplates = [
            makeIconTemplate(undefined,          "title", { iconTemplate:DocumentType.LABEL, backgroundColor: "dimgray"}),
            makeIconTemplate(DocumentType.AUDIO, "title", { iconTemplate:DocumentType.LABEL, backgroundColor: "lightgreen"}),
            makeIconTemplate(DocumentType.PDF,   "title", { iconTemplate:DocumentType.LABEL, backgroundColor: "pink"}),
            makeIconTemplate(DocumentType.WEB,   "title", { iconTemplate:DocumentType.LABEL, backgroundColor: "brown"}),
            makeIconTemplate(DocumentType.RTF,   "text",  { iconTemplate:DocumentType.LABEL, _layout_showTitle: "title"}),
            makeIconTemplate(DocumentType.IMG,   "data",  { iconTemplate:DocumentType.IMG,   _height: undefined}),
            makeIconTemplate(DocumentType.COL,   "icon",  { iconTemplate:DocumentType.IMG}),
            makeIconTemplate(DocumentType.COL,   "icon",  { iconTemplate:DocumentType.IMG}),
            makeIconTemplate(DocumentType.VID,   "icon",  { iconTemplate:DocumentType.IMG}),
            makeIconTemplate(DocumentType.BUTTON,"title", { iconTemplate:DocumentType.FONTICON}),
            //nasty hack .. templates are looked up exclusively by type -- but we want a template for a document with a certain field (transcription) .. so this hack and the companion hack in createCustomView does this for now
            makeIconTemplate("transcription" as any, "transcription", { iconTemplate:DocumentType.LABEL, backgroundColor: "orange" }),
            //makeIconTemplate(DocumentType.PDF, "icon", {iconTemplate:DocumentType.IMG}, (opts) => imageBox("http://www.cs.brown.edu/~bcz/noImage.png", opts))
        ].filter(d => d).map(d => d!);
        DocUtils.AssignOpts(DocCast(doc[field]), {}, iconTemplates);
    }

    /// initalizes the set of "empty<DocType>" versions of each document type with default fields.  e.g.,. emptyNote, emptyTrail
    static creatorBtnDescriptors(doc: Doc): {
        title: string, toolTip: string, icon: string,  ignoreClick?: boolean, dragFactory?: Doc, 
        backgroundColor?: string, openFactoryAsDelegate?:boolean, openFactoryLocation?:string, clickFactory?: Doc, scripts?: { onClick?: string, onDragStart?: string}, funcs?: {onDragStart?:string, hidden?: string},
    }[] {
        const standardOps = (key:string) => ({ title : "Untitled "+ key, _layout_fitWidth: false, isSystem: true, "dragFactory_count": 0, cloneFieldFilter: new List<string>(["isSystem"]) });
        const json = {
            doc: {
                type: "doc",
                content: [
                    {
                        type: "paragraph", attrs: {}, content: [{
                            type: "dashField",
                            attrs: { fieldKey: "author", docId: "", hideKey: false },
                            marks: [{ type: "strong" }]
                        }, {
                            type: "dashField",
                            attrs: { fieldKey: "author_date", docId: "", hideKey: false },
                            marks: [{ type: "strong" }]
                        }]
                    }]
            },
            selection: { type: "text", anchor: 1, head: 1 },
            storedMarks: []
        };

            // "<div style={'height:100%'}>" +
            // "    <FormattedTextBox {...props} fieldKey={'header'} dontSelectOnLoad={'true'} ignoreAutoHeight={'true'} pointerEvents='{this._header_pointerEvents||`none`}' fontSize='{this._header_fontSize}px' height='{this._header_height}px' background='{this._header_color}' />" +
            // "    <FormattedTextBox {...props} fieldKey={'text'} position='absolute' top='{(this._header_height)*scale}px' height='calc({100/scale}% - {this._header_height}px)'/>" +
            // "</div>";
        const headerBtnHgt = 10;
        const headerTemplate = (opts:DocumentOptions) => 
            MakeTemplate(Docs.Create.RTFDocument(new RichTextField(JSON.stringify(json), ""), { ...opts, title: "Header Template", 
                layout:`<HTMLdiv transformOrigin='top left' width='{100/scale}%' height='{100/scale}%' transform='scale({scale})'>
                            <FormattedTextBox {...props} dontScale='true' fieldKey={'text'} height='calc(100% - ${headerBtnHgt}px - {this._header_height||0}px)'  />
                            <FormattedTextBox {...props} dontScale='true' fieldKey={'header'} dontSelectOnLoad='true' ignoreAutoHeight='true' fontSize='{this._header_fontSize||9}px' height='{(this._header_height||0)}px' backgroundColor='{this._header_color || "lightGray"}' />
                            <HTMLdiv fontSize='${headerBtnHgt - 1}px' height='${headerBtnHgt}px' backgroundColor='yellow' onClick={‘(this._header_height=Math.min(Math.max(0,this._height-30),this._header_height===0?50:0)) + (this._layout_autoHeightMargins=this._header_height ? this._header_height+${headerBtnHgt}:0)’} > Metadata</HTMLdiv>
                        </HTMLdiv>`
                    }, "header"));
        const slideView = (opts:DocumentOptions) => 
            MakeTemplate(Docs.Create.MultirowDocument(
                    [
                        Docs.Create.MulticolumnDocument([], { title: "hero", _height: 200,  isSystem: true }),
                        Docs.Create.TextDocument("", { title: "text", _layout_fitWidth:true,  _height: 100, isSystem: true, _text_fontFamily: StrCast(Doc.UserDoc().fontFamily), _text_fontSize: StrCast(Doc.UserDoc().fontSize) })
                    ], {...opts, title: "Slide View Template"}));
        const plotlyApi = () => {
            var plotly = Doc.MyPublishedDocs.find(doc => doc.title === "@plotly");
            if (!plotly) {
                const plotly = Docs.Create.TextDocument(
                    `await import("https://cdn.plot.ly/plotly-2.27.0.min.js");
                    Plotly.newPlot(dashDiv.id, [ --DOCDATA-- ])`
                    , {title: "@plotly", title_custom: true, _layout_showTitle:"title",  _width:300,_height:400});
                Doc.AddToMyPublished(plotly);
            }
        }
        const plotlyView = (opts:DocumentOptions) => {
            const rtfield = new RichTextField(JSON.stringify(
                {doc: {type:"doc",content:[
                    {type:"code_block",content:[
                        {type:"text",text:"^@plotly"},
                        {type:"text",text:"\n"},
                        {type:"text",text:"\n{"},
                        {type:"text",text:"\n  x: [1,2,3,5,19],"},
                        {type:"text",text:"\n  y: [1, 9, 15, 12,3],"},
                        {type:"text",text:"\n  mode: 'lines+markers', "},
                        {type:"text",text:"\n  type: 'scatter'"},
                        {type:"text",text:"\n}"}
                    ]}
                ]},
                selection:{type:"text",anchor:2,head:2}}), 
            `^@plotly
            {
                x: [1,2,3,5,19],
                y: [1, 9, 15, 12,3],
                mode: 'lines+markers', 
                type: 'scatter'
            }`);
            const slide = Docs.Create.TextDocument("", opts);
            slide[DocData].text  = rtfield;
            slide[DocData].layout_textPainted = `<CollectionView {...props} fieldKey={'text'}/>`;
            slide[DocData]._type_collection = CollectionViewType.Freeform;
            slide.onPaint = ScriptField.MakeScript(`toggleDetail(documentView, "textPainted")`, {documentView:"any"});
            return slide; 
        }
        const mermaidsApi = () => {
            var mermaids = Doc.MyPublishedDocs.find(doc => doc.title === "@mermaids");
            if (!mermaids) {
                const mermaids = Docs.Create.TextDocument(
                `const mdef = (await import("https://cdn.jsdelivr.net/npm/mermaid\@10.8.0/dist/mermaid.esm.min.mjs")).default;
                window["callb"] = (x)  => { 
                   alert(x);
                }
                mdef.initialize({
                    securityLevel : "loose",
                    startOnLoad: true,
                    flowchart: { useMaxWidth: true, htmlLabels: true, curve: 'cardinal' },
                });
                const mermaid = async (str) => (await mdef.render("graph"+Date.now(),str));
                const {svg, bindFunctions} = await mermaid(\`--DOCDATA--\`);
                dashDiv.innerHTML = svg;
                if (bindFunctions) {
                    bindFunctions(dashDiv);
                }`
                , {title: "@mermaids", title_custom: true, _layout_showTitle:"title",  _width:300,_height:400});
                Doc.AddToMyPublished(mermaids);
            }
        }
        const mermaidsView = (opts:DocumentOptions) => {
            const rtfield = new RichTextField(JSON.stringify(
                {doc: {type:"doc",content:[
                    {type:"code_block",content:[
                        {type:"text",text:"^@mermaids"},
                        {type:"text",text:"\n\n"},
                        {type:"text",text:"pie "},
                        {type:"text",text:"title"},
                        {type:"text",text:" "},
                        {type:"text",text:"Minerals in my tap water"},
                        {type:"text",text:"\n    \"Calcium\" : "},
                        {type:"dashField",attrs:{fieldKey:"calcium",docId:"",hideKey:true,hideValue:false,editable:true}},
                        {type:"text",text:"\n    \"Potassium\" : "},
                        {type:"dashField",attrs:{fieldKey:"pot",docId:"",hideKey:true,hideValue:false,editable:true}},
                        {type:"text",text:"\n    \"Magnesium\" : 10.01"}
                    ]}
                ]},
            selection:{type:"text",anchor:109,head:109}
        }), 
            `^@mermaids
pie title Minerals in my tap water
    "Calcium" : 42.96
    "Potassium" : 50
    "Magnesium" : 10.01`);
            const slide = Docs.Create.TextDocument("", opts);
            slide[DocData].text  = rtfield;
            slide[DocData].layout_textPainted = `<CollectionView {...props} fieldKey={'text'}/>`;
            slide[DocData]._type_collection = CollectionViewType.Freeform;
            slide.onPaint = ScriptField.MakeScript(`toggleDetail(documentView, "textPainted")`, {documentView:"any"});
            return slide; 
        }
        const apis = [plotlyApi(), mermaidsApi()]
        const emptyThings:{key:string,  // the field name where the empty thing will be stored
                          opts:DocumentOptions,   // the document options that are required for the empty thing
                          funcs?:{[key:string]: any},  // computed fields that are rquired for the empth thing
                          scripts?:{[key:string]: any},
                          creator:(opts:DocumentOptions)=> any // how to create the empty thing if it doesn't exist
              }[] = [
            {key: "Note",       creator: opts => Docs.Create.TextDocument("", opts),        opts: { _width: 200, _layout_autoHeight: true }},
            {key: "Image",      creator: opts => Docs.Create.ImageDocument("", opts),       opts: { _width: 400, _height:400 }},
            {key: "Flashcard",  creator: opts => Docs.Create.TextDocument("", opts),        opts: { _width: 200, _layout_autoHeight: true, _layout_enableAltContentUI: true}},
            {key: "Equation",   creator: opts => Docs.Create.EquationDocument("",opts),     opts: { _width: 300, _height: 35, }},
            {key: "Noteboard",  creator: opts => Docs.Create.NoteTakingDocument([], opts),  opts: { _width: 250, _height: 200, _layout_fitWidth: true}},
            {key: "Simulation", creator: opts => Docs.Create.SimulationDocument(opts),      opts: { _width: 300, _height: 300, }},
            {key: "Collection", creator: opts => Docs.Create.FreeformDocument([], opts),    opts: { _width: 150, _height: 100, _layout_fitWidth: true }},
            {key: "Webpage",    creator: opts => Docs.Create.WebDocument("",opts),          opts: { _width: 400, _height: 512, _nativeWidth: 850, data_useCors: true, }},
            {key: "Comparison", creator: Docs.Create.ComparisonDocument,                    opts: { _width: 300, _height: 300 }},
            {key: "Audio",      creator: opts => Docs.Create.AudioDocument(nullAudio, opts),opts: { _width: 200, _height: 100, _layout_fitWidth: true, }},
            {key: "Map",        creator: opts => Docs.Create.MapDocument([], opts),         opts: { _width: 800, _height: 600, _layout_fitWidth: true, }},
            {key: "Screengrab", creator: Docs.Create.ScreenshotDocument,                    opts: { _width: 400, _height: 200 }},
            {key: "WebCam",     creator: opts => Docs.Create.WebCamDocument("", opts),      opts: { _width: 400, _height: 200, recording:true, isSystem: true, cloneFieldFilter: new List<string>(["isSystem"]) }},
            {key: "Button",     creator: Docs.Create.ButtonDocument,                        opts: { _width: 150, _height: 50, _xPadding: 10, _yPadding: 10, title_custom: true,  waitForDoubleClickToClick: 'never'}, scripts: {onClick: FollowLinkScript()?.script.originalScript ?? ""}},
            {key: "Script",     creator: opts => Docs.Create.ScriptingDocument(null, opts), opts: { _width: 200, _height: 250, }},
            {key: "DataViz",    creator: opts => Docs.Create.DataVizDocument("/users/rz/Downloads/addresses.csv", opts),   opts: { _width: 300, _height: 300 }},
            {key: "Header",     creator: headerTemplate,                                    opts: { _width: 300, _height: 120, _header_pointerEvents: "all", _header_height: 50, _header_fontSize: 9,_layout_autoHeightMargins: 50, _layout_autoHeight: true, treeView_HideUnrendered: true}},
            {key: "ViewSlide",  creator: slideView,                                         opts: { _width: 400, _height: 300, _xMargin: 3, _yMargin: 3,}},
            {key: "Trail",      creator: Docs.Create.PresDocument,                          opts: { _width: 400, _height: 30, _type_collection: CollectionViewType.Stacking, dropAction: dropActionType.embed, treeView_HideTitle: true, _layout_fitWidth:true, layout_boxShadow: "0 0" }},
            {key: "Tab",        creator: opts => Docs.Create.FreeformDocument([], opts),    opts: { _width: 500, _height: 800, _layout_fitWidth: true, _freeform_backgroundGrid: true, }},
            {key: "Slide",      creator: opts => Docs.Create.TreeDocument([], opts),        opts: { _width: 300, _height: 200, _type_collection: CollectionViewType.Tree, 
                                                                                                treeView_HasOverlay: true, _text_fontSize: "20px", _layout_autoHeight: true, 
                                                                                                dropAction:dropActionType.move, treeView_Type: TreeViewType.outline, 
                                                                                                backgroundColor: "white", _xMargin: 0, _yMargin: 0, _createDocOnCR: true 
                                                                                            }, funcs: {title: 'this.text?.Text'}},
            {key: "Mermaids",   creator: mermaidsView,                                      opts: { _width: 300, _height: 300, }},
            {key: "Plotly",     creator: plotlyView,                                        opts: { _width: 300, _height: 300, }},
                                                                                        ];

        emptyThings.forEach(thing => DocUtils.AssignDocField(doc, "empty"+thing.key, (opts) => thing.creator(opts), {...standardOps(thing.key), ...thing.opts}, undefined, thing.scripts, thing.funcs));
        
        return [
            { toolTip: "Tap or drag to create a note",            title: "Note", icon: "sticky-note",   dragFactory: doc.emptyNote as Doc,       clickFactory: DocCast(doc.emptyNote)},
            { toolTip: "Tap or drag to create a flashcard",       title: "Flashcard", icon: "id-card",  dragFactory: doc.emptyFlashcard as Doc,  clickFactory: DocCast(doc.emptyFlashcard)},
            { toolTip: "Tap or drag to create an equation",       title: "Math", icon: "calculator",    dragFactory: doc.emptyEquation as Doc,   clickFactory: DocCast(doc.emptyEquation)},
            { toolTip: "Tap or drag to create a mermaid node",    title: "Mermaids", icon: "rocket",    dragFactory: doc.emptyMermaids as Doc,   clickFactory: DocCast(doc.emptyMermaids)}, 
            { toolTip: "Tap or drag to create a plotly node",     title: "Plotly", icon: "rocket",      dragFactory: doc.emptyPlotly as Doc,     clickFactory: DocCast(doc.emptyMermaids)}, 
            { toolTip: "Tap or drag to create a physics simulation",title: "Simulation", icon: "rocket",dragFactory: doc.emptySimulation as Doc, clickFactory: DocCast(doc.emptySimulation), funcs: { hidden: "IsNoviceMode()"}}, 
            { toolTip: "Tap or drag to create a note board",      title: "Notes", icon: "book",         dragFactory: doc.emptyNoteboard as Doc,  clickFactory: DocCast(doc.emptyNoteboard)},
            { toolTip: "Tap or drag to create an iamge",          title: "Image", icon: "image",        dragFactory: doc.emptyImage as Doc,      clickFactory: DocCast(doc.emptyImage)},
            { toolTip: "Tap or drag to create a collection",      title: "Col", icon: "folder",         dragFactory: doc.emptyCollection as Doc, clickFactory: DocCast(doc.emptyTab)},
            { toolTip: "Tap or drag to create a webpage",         title: "Web", icon: "globe-asia",     dragFactory: doc.emptyWebpage as Doc,    clickFactory: DocCast(doc.emptyWebpage)},
            { toolTip: "Tap or drag to create a comparison box",  title: "Compare", icon: "columns",    dragFactory: doc.emptyComparison as Doc, clickFactory: DocCast(doc.emptyComparison)},
            { toolTip: "Tap or drag to create an audio recorder", title: "Audio", icon: "microphone",   dragFactory: doc.emptyAudio as Doc,      clickFactory: DocCast(doc.emptyAudio),      openFactoryLocation: OpenWhere.overlay},
            { toolTip: "Tap or drag to create a map",             title: "Map", icon: "map-marker-alt", dragFactory: doc.emptyMap as Doc,        clickFactory: DocCast(doc.emptyMap)},
            { toolTip: "Tap or drag to create a screen grabber",  title: "Grab", icon: "photo-video",   dragFactory: doc.emptyScreengrab as Doc, clickFactory: DocCast(doc.emptyScreengrab), openFactoryLocation: OpenWhere.overlay, funcs: { hidden: "IsNoviceMode()"}},
            { toolTip: "Tap or drag to create a WebCam recorder", title: "WebCam", icon: "photo-video", dragFactory: doc.emptyWebCam as Doc,     clickFactory: DocCast(doc.emptyWebCam),     openFactoryLocation: OpenWhere.overlay, funcs: { hidden: "IsNoviceMode()"}},
            { toolTip: "Tap or drag to create a button",          title: "Button", icon: "circle",      dragFactory: doc.emptyButton as Doc,     clickFactory: DocCast(doc.emptyButton)},
            { toolTip: "Tap or drag to create a scripting box",   title: "Script", icon: "terminal",    dragFactory: doc.emptyScript as Doc,     clickFactory: DocCast(doc.emptyScript),                                             funcs: { hidden: "IsNoviceMode()"}},
            { toolTip: "Tap or drag to create a data viz node",   title: "DataViz", icon: "chart-bar",  dragFactory: doc.emptyDataViz as Doc,    clickFactory: DocCast(doc.emptyDataViz)},
            { toolTip: "Tap or drag to create a bullet slide",    title: "PPT Slide", icon: "person-chalkboard", dragFactory: doc.emptySlide as Doc,      clickFactory: DocCast(doc.emptySlide),      openFactoryLocation: OpenWhere.overlay, funcs: { hidden: "IsNoviceMode()"}},
            { toolTip: "Tap or drag to create a view slide",      title: "View Slide", icon: "address-card", dragFactory: doc.emptyViewSlide as Doc,clickFactory: DocCast(doc.emptyViewSlide),openFactoryLocation: OpenWhere.overlay,funcs: { hidden: "IsNoviceMode()"}},
            { toolTip: "Tap or drag to create a data note",       title: "DataNote", icon: "window-maximize",dragFactory: doc.emptyHeader as Doc,clickFactory: DocCast(doc.emptyHeader),     openFactoryAsDelegate: true,            funcs: { hidden: "IsNoviceMode()"} },
            { toolTip: "Toggle a Calculator REPL",                title: "replviewer",  icon: "calculator",                                      clickFactory: '<ScriptingRepl />' as any,   openFactoryLocation: OpenWhere.overlay}, // hack: clickFactory is not a Doc but will get interpreted as a custom UI by the openDoc() onClick script
           // { toolTip: "Toggle an UndoStack",                     title: "undostacker", icon: "calculator",                                      clickFactory: "<UndoStack />" as any,         openFactoryLocation: OpenWhere.overlay},
          ].map(tuple => (
              { openFactoryLocation: OpenWhere.addRight, 
                scripts: { onClick:     'openDoc(copyDragFactory(this.clickFactory,this.openFactoryAsDelegate), this.openFactoryLocation)', 
                           onDragStart: '{ return copyDragFactory(this.dragFactory,this.openFactoryAsDelegate); }'}, 
                funcs: tuple.funcs,
                ...tuple, }))
    }

    /// Initalizes the "creator" buttons for the sidebar-- eg. the default set of draggable document creation tools
    static setupCreatorButtons(doc: Doc, dragCreatorDoc?:Doc):Doc {
        const creatorBtns = CurrentUserUtils.creatorBtnDescriptors(doc).map((reqdOpts) => {
            const btn = dragCreatorDoc ? DocListCast(dragCreatorDoc.data).find(doc => doc.title === reqdOpts.title): undefined;
            const opts:DocumentOptions = {...OmitKeys(reqdOpts, ["funcs", "scripts", "backgroundColor"]).omit, 
                _width: 60, _height: 60, _dragOnlyWithinContainer: true, 
                btnType: ButtonType.ToolButton, backgroundColor: reqdOpts.backgroundColor ?? Colors.DARK_GRAY, color: Colors.WHITE, isSystem: true,
                };
            return DocUtils.AssignScripts(DocUtils.AssignOpts(btn, opts) ?? Docs.Create.FontIconDocument(opts), reqdOpts.scripts, reqdOpts.funcs);
        });

        const reqdOpts:DocumentOptions = {
            title: "Document Creators", _layout_showTitle: "title", _xMargin: 0, _dragOnlyWithinContainer: true, layout_hideContextMenu: true, _chromeHidden: true, isSystem: true,
            _layout_autoHeight: true, _width: 500, _height: 300, _layout_fitWidth: true, _columnWidth: 40, ignoreClick: true, _lockedPosition: true, _forceActive: true,
             childDragAction: dropActionType.embed
        };
        const reqdScripts = { dropConverter: "convertToButtons(dragData)" };
        return DocUtils.AssignScripts(DocUtils.AssignOpts(dragCreatorDoc, reqdOpts, creatorBtns) ?? Docs.Create.MasonryDocument(creatorBtns, reqdOpts), reqdScripts);
    }

    /// returns descriptions needed to buttons for the left sidebar to open up panes displaying different collections of documents
    static leftSidebarMenuBtnDescriptions(doc: Doc):{title:string, target:Doc, icon:string, toolTip: string, scripts:{[key:string]:any}, funcs?:{[key:string]:any}, hidden?: boolean}[] {
      const badgeValue = "((len) => len && len !== '0' ? len: undefined)(docList(this.target?.data).filter(doc => !docList(this.target.viewed).includes(doc)).length.toString())"; 
      const getActiveDashTrails = "Doc.ActiveDashboard?.myTrails";
        return [
            { title: "Dashboards",      toolTip: "Dashboards",      target: this.setupDashboards(doc, "myDashboards"),         ignoreClick: true, icon: "desktop",     funcs: {hidden: "IsNoviceMode()"} },
            { title: "Search",          toolTip: "Search ⌘F",       target: this.setupSearcher(doc, "mySearcher"),             ignoreClick: true, icon: "search",      },
            { title: "Files",           toolTip: "Files",           target: this.setupFilesystem(doc, "myFilesystem"),         ignoreClick: true, icon: "folder-open", },
            { title: "Tools",           toolTip: "Tools",           target: this.setupToolsBtnPanel(doc, "myTools"),           ignoreClick: true, icon: "wrench",      },
            { title: "Imports",         toolTip: "Imports ⌘I",      target: this.setupImportSidebar(doc, "myImports"),         ignoreClick:false, icon: "upload",      },
            { title: "Closed",          toolTip: "Recently Closed", target: this.setupRecentlyClosed(doc, "myRecentlyClosed"), ignoreClick: true, icon: "archive",     hidden: true }, // this doc is hidden from the Sidebar, but it's still being used in MyFilesystem which ignores the hidden field
            { title: "Shared",          toolTip: "Shared Docs",     target: Doc.MySharedDocs,                                  ignoreClick: true, icon: "users",       funcs: {badgeValue: badgeValue}},
            { title: "Trails",          toolTip: "Trails ⌘R",       target: Doc.UserDoc(),                                     ignoreClick: true, icon: "pres-trail",  funcs: {target: getActiveDashTrails}},
            { title: "User Doc",        toolTip: "User Doc",        target: this.setupUserDocView(doc, "myUserDocView"),       ignoreClick: true, icon: "address-card",funcs: {hidden: "IsNoviceMode()"} },
        ].map(tuple => ({...tuple, scripts:{onClick: 'selectMainMenu(this)'}}));
    }

    /// the empty panel that is filled with whichever left menu button's panel has been selected
    static setupLeftSidebarPanel(doc: Doc, field="myLeftSidebarPanel") {
        DocUtils.AssignDocField(doc, field, (opts) => Doc.assign(new Doc(), opts as any), {title:"leftSidebarPanel", isSystem:true, undoIgnoreFields: new List<string>(['proto'])});
    }

    /// Initializes the left sidebar menu buttons and the panels they open up
    static setupLeftSidebarMenu(doc: Doc, field="myLeftSidebarMenu") {
        this.setupLeftSidebarPanel(doc);
        const myLeftSidebarMenu = DocCast(doc[field]);
        const menuBtns = CurrentUserUtils.leftSidebarMenuBtnDescriptions(doc).map(({ title, target, icon, toolTip, hidden, scripts, funcs }) => {
            const btnDoc = myLeftSidebarMenu ? DocListCast(myLeftSidebarMenu.data).find(doc => doc.title === title) : undefined;
            const reqdBtnOpts:DocumentOptions = {
                title, icon, target, toolTip, hidden, btnType: ButtonType.MenuButton, isSystem: true, undoIgnoreFields: new List<string>(['height', 'data_columnHeaders']), dontRegisterView: true,
                _width: 60, _height: 60,  _dragOnlyWithinContainer: true,
            };
            return DocUtils.AssignScripts(DocUtils.AssignOpts(btnDoc, reqdBtnOpts) ?? Docs.Create.FontIconDocument(reqdBtnOpts), scripts, funcs);
        });

        const reqdStackOpts:DocumentOptions ={
            title: "menuItemPanel", childDragAction: dropActionType.same, layout_boxShadow: "rgba(0,0,0,0)",  dontRegisterView: true, ignoreClick: true,
            _chromeHidden: true, _gridGap: 0, _yMargin: 0, _xMargin: 0, _layout_autoHeight: false, _width: 60, _columnWidth: 60, _lockedPosition: true, isSystem: true,
        };
        return DocUtils.AssignDocField(doc, field, (opts, items) => Docs.Create.StackingDocument(items??[], opts), reqdStackOpts, menuBtns, { dropConverter: "convertToButtons(dragData)" });
    }

    // Sets up mobile menu if it is undefined creates a new one, otherwise returns existing menu
    static setupActiveMobileMenu(doc: Doc, field="activeMobileMenu") {
        const reqdOpts = { _width: 980, ignoreClick: true, _lockedPosition: false, title: "home", _yMargin: 100, isSystem: true, _chromeHidden: true,};
        DocUtils.AssignDocField(doc, field, (opts, items) => Docs.Create.StackingDocument(this.setupMobileButtons(), opts), reqdOpts);
    }

    // Sets up mobile buttons for inside mobile menu
    static setupMobileButtons(doc?: Doc, buttons?: string[]) {
        return [];
        const docProtoData: { title: string, icon: string, drag?: string, ignoreClick?: boolean, click?: string, backgroundColor?: string, info: string, dragFactory?: Doc }[] = [
            { title: "DASHBOARDS", icon: "bars", click: 'switchToMobileLibrary()', backgroundColor: "lightgrey", info: "Access your Dashboards from your mobile, and navigate through all of your documents. " },
            { title: "UPLOAD", icon: "upload", click: 'openMobileUploads()', backgroundColor: "lightgrey", info: "Upload files from your mobile device so they can be accessed on Dash Web." },
            { title: "MOBILE UPLOAD", icon: "mobile", click: 'switchToMobileUploadCollection()', backgroundColor: "lightgrey", info: "Access the collection of your mobile uploads." },
            { title: "RECORD", icon: "microphone", click: 'openMobileAudio()', backgroundColor: "lightgrey", info: "Use your phone to record, dictate and then upload audio onto Dash Web." },
            { title: "PRESENTATION", icon: "desktop", click: 'switchToMobilePresentation()', backgroundColor: "lightgrey", info: "Use your phone as a remote for you presentation." },
            { title: "SETTINGS", icon: "cog", click: 'openMobileSettings()', backgroundColor: "lightgrey", info: "Change your password, log out, or manage your account security." }
        ];
        // returns a list of mobile buttons
        return docProtoData.filter(d => !buttons || !buttons.includes(d.title)).map(data =>
            this.mobileButton({
                title: data.title,
                _lockedPosition: true,
                onClick: data.click ? ScriptField.MakeScript(data.click) : undefined,
                backgroundColor: data.backgroundColor, isSystem: true
            },
                [this.createToolButton({ ignoreClick: true, icon: data.icon, backgroundColor: "rgba(0,0,0,0)", isSystem: true, btnType: ButtonType.ClickButton, }), this.mobileTextContainer({}, [this.mobileButtonText({}, data.title), this.mobileButtonInfo({}, data.info)])])
        );
    }

    // sets up the main document for the mobile button
    static mobileButton = (opts: DocumentOptions, docs: Doc[]) => Docs.Create.MulticolumnDocument(docs, {
        ...opts,
         _nativeWidth: 900, _nativeHeight: 250, _width: 900, _height: 250, _yMargin: 15,
        layout_borderRounding: "5px", layout_boxShadow: "0 0", isSystem: true
    }) as any as Doc

    // sets up the text container for the information contained within the mobile button
    static mobileTextContainer = (opts: DocumentOptions, docs: Doc[]) => Docs.Create.MultirowDocument(docs, {
        ...opts,
        _nativeWidth: 450, _nativeHeight: 250, _width: 450, _height: 250, _yMargin: 25,
        backgroundColor: "rgba(0,0,0,0)", layout_borderRounding: "0", layout_boxShadow: "0 0", ignoreClick: true, isSystem: true
    }) as any as Doc

    // Sets up the title of the button
    static mobileButtonText = (opts: DocumentOptions, buttonTitle: string) => Docs.Create.TextDocument(buttonTitle, {
        ...opts,
        title: buttonTitle, _text_fontSize: "37px", _xMargin: 0, _yMargin: 0, ignoreClick: true, backgroundColor: "rgba(0,0,0,0)", isSystem: true
    }) as any as Doc

    // Sets up the description of the button
    static mobileButtonInfo = (opts: DocumentOptions, buttonInfo: string) => Docs.Create.TextDocument(buttonInfo, {
        ...opts,
        title: "info", _text_fontSize: "25px", _xMargin: 0, _yMargin: 0, ignoreClick: true, backgroundColor: "rgba(0,0,0,0)", _dimMagnitude: 2, isSystem: true
    }) as any as Doc



    static setupMobileInkingDoc(userDoc: Doc) {
        return Docs.Create.FreeformDocument([], { title: "Mobile Inking", backgroundColor: "white", isSystem: true });
    }

    static setupMobileUploadDoc(userDoc: Doc) {
        // const addButton = Docs.Create.FontIconDocument({ onDragStart: ScriptField.MakeScript('addWebToMobileUpload()'), title: "Add Web Doc to Upload Collection", icon: "plus", backgroundColor: "black" })
        const webDoc = Docs.Create.WebDocument("https://www.britannica.com/biography/Miles-Davis", {
            title: "Upload Images From the Web", _lockedPosition: true, isSystem: true
        });
        const uploadDoc = Docs.Create.StackingDocument([], {
            title: "Mobile Upload Collection", backgroundColor: "white", _lockedPosition: true, isSystem: true, _chromeHidden: true,
        });
        return Docs.Create.StackingDocument([webDoc, uploadDoc], {
            _width: screen.width, _lockedPosition: true, title: "Upload", _layout_autoHeight: true, _yMargin: 80, backgroundColor: "lightgray", isSystem: true, _chromeHidden: true,
        });
    }

    /// Search option on the left side button panel
    static setupSearcher(doc: Doc, field:string) {
        return DocUtils.AssignDocField(doc, field, (opts, items) => Docs.Create.SearchDocument(opts), {
                dontRegisterView: true, backgroundColor: "dimgray", ignoreClick: true, title: "Search Panel", isSystem: true, childDragAction: dropActionType.embed, 
                _lockedPosition: true, _type_collection: CollectionViewType.Schema  });
    }

    /// Initializes the panel of draggable tools that is opened from the left sidebar.
    static setupToolsBtnPanel(doc: Doc, field:string) {
        const allTools = DocListCast(DocCast(doc[field])?.data);
        const creatorBtns = CurrentUserUtils.setupCreatorButtons(doc, allTools?.length ? allTools[0]:undefined);
        const userTools = allTools && allTools?.length > 1 ? allTools[1]:undefined;
        const userBtns = CurrentUserUtils.setupUserDocumentCreatorButtons(doc, userTools);
        //doc.myUserBtns = new PrefetchProxy(userBtns);
        const reqdToolOps:DocumentOptions = {
            title: "My Tools", isSystem: true, ignoreClick: true, layout_boxShadow: "0 0",
            layout_explainer: "This is a palette of documents that can be created.",
            _layout_showTitle: "title", _width: 500, _yMargin: 20, _lockedPosition: true, _forceActive: true, _dragOnlyWithinContainer: true, layout_hideContextMenu: true, _chromeHidden: true, 
        };
        return DocUtils.AssignDocField(doc, field, (opts, items) => Docs.Create.StackingDocument(items??[], opts), reqdToolOps, [creatorBtns, userBtns]);
    }

    /// initializes the left sidebar dashboard pane
    static setupDashboards(doc: Doc, field:string) {
        var myDashboards = DocCast(doc[field]);

        const newDashboard = `createNewDashboard()`;

        const reqdBtnOpts:DocumentOptions = { _forceActive: true,  _width: 30, _height: 30, _dragOnlyWithinContainer: true,
             title: "new Dash", btnType: ButtonType.ClickButton, toolTip: "Create new dashboard", buttonText: "New trail", icon: "plus", isSystem: true };
        const reqdBtnScript = {onClick: newDashboard,}
        const newDashboardButton = DocUtils.AssignScripts(DocUtils.AssignOpts(DocCast(myDashboards?.layout_headerButton), reqdBtnOpts) ?? Docs.Create.FontIconDocument(reqdBtnOpts), reqdBtnScript);
       
        const contextMenuScripts = [/*newDashboard*/] as string[];
        const contextMenuLabels = [/*"Create New Dashboard"*/]  as string[];
        const contextMenuIcons = [/*"plus"*/]  as string[];
        const childContextMenuScripts = [`toggleComicMode()`, `snapshotDashboard()`, `shareDashboard(this)`, 'removeDashboard(this)', 'resetDashboard(this)']; // entries must be kept in synch with childContextMenuLabels, childContextMenuIcons, and childContextMenuFilters
        const childContextMenuFilters =  ['!IsNoviceMode()', '!IsNoviceMode()', undefined as any, undefined as any, '!IsNoviceMode()'];// entries must be kept in synch with childContextMenuLabels, childContextMenuIcons, and childContextMenuScripts
        const childContextMenuLabels =  ["Toggle Comic Mode", "Snapshot Dashboard", "Share Dashboard", "Remove Dashboard", "Reset Dashboard"];// entries must be kept in synch with childContextMenuScripts, childContextMenuIcons, and childContextMenuFilters
        const childContextMenuIcons = ["tv", "camera", "users", "times", "trash"]; // entries must be kept in synch with childContextMenuScripts, childContextMenuLabels, and childContextMenuFilters
        const reqdOpts:DocumentOptions = {
            title: "My Dashboards", childHideLinkButton: true, treeView_FreezeChildren: "remove|add", treeView_HideTitle: true, layout_boxShadow: "0 0", childDontRegisterViews: true,
            dropAction: dropActionType.inPlace, treeView_Type: TreeViewType.fileSystem, isFolder: true, isSystem: true,  treeView_TruncateTitleWidth: 350, ignoreClick: true, 
            layout_headerButton: newDashboardButton, childDragAction: dropActionType.inPlace,
            _layout_showTitle: "title", _height: 400, _gridGap: 5, _forceActive: true, _lockedPosition: true,
            contextMenuLabels:new List<string>(contextMenuLabels),
            contextMenuIcons:new List<string>(contextMenuIcons),
            childContextMenuLabels:new List<string>(childContextMenuLabels),
            childContextMenuIcons:new List<string>(childContextMenuIcons),
            layout_explainer: "This is your collection of dashboards. A dashboard represents the tab configuration of your workspace. To manage documents as folders, go to the Files."
        };
        myDashboards = DocUtils.AssignDocField(doc, field, (opts) => Docs.Create.TreeDocument([], opts), reqdOpts);
        if (Cast(myDashboards.contextMenuScripts, listSpec(ScriptField), null)?.length !== contextMenuScripts.length) {
            myDashboards.contextMenuScripts = new List<ScriptField>(contextMenuScripts.map(script => ScriptField.MakeFunction(script)!));
        } 
        if (Cast(myDashboards.childContextMenuScripts, listSpec(ScriptField), null)?.length !== childContextMenuScripts.length) {
            myDashboards.childContextMenuScripts = new List<ScriptField>(childContextMenuScripts.map(script => ScriptField.MakeFunction(script)!));
        } 
        if (Cast(myDashboards.childContextMenuFilters, listSpec(ScriptField), null)?.length !== childContextMenuFilters.length) {
            myDashboards.childContextMenuFilters = new List<ScriptField>(childContextMenuFilters.map(script => !script ? script: ScriptField.MakeFunction(script)!));
        }
        return myDashboards;
    }

    /// initializes the left sidebar File system pane
    static setupFilesystem(doc: Doc, field:string) {
        var myFilesystem = DocCast(doc[field]);
        
        const newFolderOpts: DocumentOptions = {
            _forceActive: true, _dragOnlyWithinContainer: true, _embedContainer: Doc.MyFilesystem, _width: 30, _height: 30, undoIgnoreFields:new List<string>(['treeView_SortCriterion']),
            title: "New folder", color: Colors.BLACK, btnType: ButtonType.ClickButton, toolTip: "Create new folder", buttonText: "New folder", icon: "folder-plus", isSystem: true
        };
        const newFolderScript = { onClick: CollectionTreeView.AddTreeFunc};
        const newFolderButton = DocUtils.AssignScripts(DocUtils.AssignOpts(DocCast(myFilesystem?.layout_headerButton), newFolderOpts) ?? Docs.Create.FontIconDocument(newFolderOpts), newFolderScript);
        
        const reqdOpts:DocumentOptions = { _layout_showTitle: "title", _height: 100, _forceActive: true, 
            title: "My Documents", layout_headerButton: newFolderButton, treeView_HideTitle: true, dropAction: dropActionType.add, isSystem: true,
            isFolder: true, treeView_Type: TreeViewType.fileSystem, childHideLinkButton: true, layout_boxShadow: "0 0", childDontRegisterViews: true, 
            treeView_TruncateTitleWidth: 350, ignoreClick: true, childDragAction: dropActionType.embed,
            layout_explainer: "This is your file manager where you can create folders to keep track of documents independently of your dashboard."
        };
        const fileFolders = new Set(DocListCast(DocCast(doc[field])?.data));
        return  DocUtils.AssignDocField(doc, field, (opts, items) => Docs.Create.TreeDocument(items??[], opts), reqdOpts, Array.from(fileFolders));
    }

    /// initializes the panel displaying docs that have been recently closed
    static setupRecentlyClosed(doc: Doc, field:string) {
        const reqdOpts:DocumentOptions = { _layout_showTitle: "title", _lockedPosition: true, _gridGap: 5, _forceActive: true, isFolder: true,
            title: "My Recently Closed", childHideLinkButton: true, treeView_HideTitle: true, childDragAction: dropActionType.move, isSystem: true,
            treeView_TruncateTitleWidth: 350, ignoreClick: true,  layout_boxShadow: "0 0", childDontRegisterViews: true, dropAction: dropActionType.same,
            contextMenuLabels: new List<string>(["Empty recently closed"]),
            contextMenuIcons:new List<string>(["trash"]),
            layout_explainer: "Recently closed documents appear in this menu. They will only be deleted if you explicity empty this list."
        };
        const recentlyClosed = DocUtils.AssignDocField(doc, field, (opts) => Docs.Create.TreeDocument([], opts), reqdOpts);

        const clearAll = (target:string) => `getProto(${target}).data = new List([])`;
        const clearBtnsOpts:DocumentOptions = { _width: 30, _height: 30, _forceActive: true, _dragOnlyWithinContainer: true, layout_hideContextMenu: true, 
            title: "Empty", target: recentlyClosed, btnType: ButtonType.ClickButton, color: Colors.BLACK, buttonText: "Empty", icon: "trash", isSystem: true,
            toolTip: "Empty recently closed",};
        DocUtils.AssignDocField(recentlyClosed, "layout_headerButton", (opts) => Docs.Create.FontIconDocument(opts), clearBtnsOpts, undefined, {onClick: clearAll("this.target")});

        if (!Cast(recentlyClosed.contextMenuScripts, listSpec(ScriptField),null)?.find((script) => script?.script.originalScript === clearAll("this"))) {
            recentlyClosed.contextMenuScripts = new List<ScriptField>([ScriptField.MakeScript(clearAll("this"))!])
        }
        return recentlyClosed;
    }

    /// initializes the left sidebar panel view of the UserDoc
    static setupUserDocView(doc: Doc, field:string) {
        const reqdOpts:DocumentOptions = {
            _lockedPosition: true, _gridGap: 5, _forceActive: true, title: Doc.CurrentUserEmail +"-view",
            layout_boxShadow: "0 0", childDontRegisterViews: true, dropAction: dropActionType.same, ignoreClick: true, isSystem: true,
            treeView_HideTitle: true, treeView_TruncateTitleWidth: 350
        };
        if (!doc[field]) DocUtils.AssignOpts(doc, {treeView_Open: true, treeView_ExpandedView: "fields" });
        return DocUtils.AssignDocField(doc, field, (opts, items) => Docs.Create.TreeDocument(items??[], opts), reqdOpts, [doc]);
    }

    static linearButtonList = (opts: DocumentOptions, docs: Doc[]) => Docs.Create.LinearDocument(docs, {
        ...opts, _gridGap: 0, _xMargin: 5, _yMargin: 5, layout_boxShadow: "0 0", _forceActive: true,
        dropConverter: ScriptField.MakeScript("convertToButtons(dragData)", { dragData: DragManager.DocumentDragData.name }),
        _lockedPosition: true, isSystem: true, flexDirection: "row"
    })
    static multiToggleList = (opts: DocumentOptions, docs: Doc[]) => Docs.Create.FontIconDocument({
        ...opts, data:docs, _gridGap: 0, _xMargin: 5, _yMargin: 5, layout_boxShadow: "0 0", _forceActive: true,
        dropConverter: ScriptField.MakeScript("convertToButtons(dragData)", { dragData: DragManager.DocumentDragData.name }),
        _lockedPosition: true, isSystem: true, flexDirection: "row"
    })

    static createToolButton = (opts: DocumentOptions) => Docs.Create.FontIconDocument({
        btnType: ButtonType.ToolButton, _dropPropertiesToRemove: new List<string>([ "layout_hideContextMenu"]), 
        /*_nativeWidth: 40, _nativeHeight: 40, */ _width: 40, _height: 40, isSystem: true, ...opts,
    })

    /// initializes the required buttons in the expanding button menu at the bottom of the Dash window
    static setupDockedButtons(doc: Doc, field="myDockedBtns") {
        const dockedBtns = DocCast(doc[field]);
        const dockBtn = (opts: DocumentOptions, scripts: {[key:string]:string|undefined}, funcs?: {[key:string]:string}) =>
            DocUtils.AssignScripts(DocUtils.AssignOpts(DocListCast(dockedBtns?.data)?.find(doc => doc.title === opts.title), opts) ?? 
                            CurrentUserUtils.createToolButton(opts), scripts, funcs);
        
        const btnDescs = [// setup reactions to change the highlights on the undo/redo buttons -- would be better to encode this in the undo/redo buttons, but the undo/redo stacks are not wired up that way yet
            { scripts: { onClick: "undo()"}, opts: { title: "Undo",              icon: "undo-alt",               toolTip: "Undo ⌘Z" }},
            { scripts: { onClick: "redo()"}, opts: { title: "Redo",              icon: "redo-alt",               toolTip: "Redo ⌘⇧Z" }},
            { scripts: { },                  opts: { title: "undoStack",         layout: "<UndoStack>",          toolTip: "Undo/Redo Stack"}}, // note: layout fields are hacks -- they don't actually run through the JSX parser (yet)
            { scripts: { },                  opts: { title: "linker",            layout: "<LinkingUI>",          toolTip: "link started"}},
            { scripts: { },                  opts: { title: "currently playing", layout: "<CurrentlyPlayingUI>", toolTip: "currently playing media"}},
            { scripts: { },                  opts: { title: "Branching",         layout: "<Branching>",          toolTip: "Branch, baby!"}}
        ];
        const btns = btnDescs.map(desc => dockBtn({_width: 30, _height: 30, defaultDoubleClick: 'ignore', undoIgnoreFields: new List<string>(['opacity']), _dragOnlyWithinContainer: true, ...desc.opts}, desc.scripts));
        const dockBtnsReqdOpts:DocumentOptions = {
            title: "docked buttons", _height: 40, flexGap: 0, layout_boxShadow: "standard", childDragAction: dropActionType.move,
            childDontRegisterViews: true, linearView_IsOpen: true, linearView_Expandable: true, ignoreClick: true
        };
        reaction(() => UndoManager.redoStack.slice(), () => Doc.GetProto(btns.find(btn => btn.title === "Redo")!).opacity = UndoManager.CanRedo() ? 1 : 0.4, { fireImmediately: true });
        reaction(() => UndoManager.undoStack.slice(), () => Doc.GetProto(btns.find(btn => btn.title === "Undo")!).opacity = UndoManager.CanUndo() ? 1 : 0.4, { fireImmediately: true });
        return DocUtils.AssignDocField(doc, field, (opts, items) => this.linearButtonList(opts, items??[]), dockBtnsReqdOpts, btns);
    }

    static freeTools(): Button[] {
        return [
            { title: "Bottom",  icon: "arrows-down-to-line",toolTip: "Make doc topmost",     btnType: ButtonType.ClickButton,  expertMode: false, funcs: {}, scripts: { onClick: 'sendToBack()'}}, // Only when floating document is selected in freeform
            { title: "Top",     icon: "arrows-up-to-line",  toolTip: "Make doc bottommost",  btnType: ButtonType.ClickButton,  expertMode: false, funcs: {}, scripts: { onClick: 'bringToFront()'}}, // Only when floating document is selected in freeform
            { title: "Z order", icon: "z",                  toolTip: "Keep Z order on Drag", btnType: ButtonType.ToggleButton, expertMode: false, funcs: {}, scripts: { onClick: '{ return toggleRaiseOnDrag(_readOnly_);}'}}, // Only when floating document is selected in freeform
        ]
    }
    static stackTools(): Button[] {
        return [
            { title: "Center",    icon: "align-center",        toolTip: "Center Align Stack",  btnType: ButtonType.ToggleButton, ignoreClick: true, expertMode: false, toolType:"center",     funcs: {}, scripts: { onClick: '{ return showFreeform(this.toolType, _readOnly_);}'}}, // Only when floating document is selected in freeform
        ]
    }
    static viewTools(): Button[] {
        return [
            { title: "Snap",      icon: "th",                  toolTip: "Show Snap Lines",     btnType: ButtonType.ToggleButton, ignoreClick: true, expertMode: false, toolType:"snaplines",  funcs: {}, scripts: { onClick: '{ return showFreeform(this.toolType, _readOnly_);}'}}, // Only when floating document is selected in freeform
            { title: "Grid",      icon: "border-all",          toolTip: "Show Grid",           btnType: ButtonType.ToggleButton, ignoreClick: true, expertMode: false, toolType:"grid",       funcs: {}, scripts: { onClick: '{ return showFreeform(this.toolType, _readOnly_);}'}}, // Only when floating document is selected in freeform
            { title: "Fit All",   icon: "object-group",        toolTip: "Fit Docs to View (double click to make sticky)",btnType: ButtonType.ToggleButton, ignoreClick:true, expertMode: false, toolType:"viewAll",    funcs: {}, scripts: { onClick: '{ return showFreeform(this.toolType, _readOnly_);}', onDoubleClick: '{ return showFreeform(this.toolType, _readOnly_, true);}'}}, // Only when floating document is selected in freeform
            { title: "Clusters",  icon: "braille",             toolTip: "Show Doc Clusters",   btnType: ButtonType.ToggleButton, ignoreClick: true, expertMode: false, toolType:"clusters",   funcs: {}, scripts: { onClick: '{ return showFreeform(this.toolType, _readOnly_);}'}}, // Only when floating document is selected in freeform
        ]
    }
    static textTools():Button[] {
        return [
            { title: "Font",     toolTip: "Font", width: 100,     btnType: ButtonType.DropdownList,                      toolType:"font",     ignoreClick: true,   scripts: {script:  '{ return setFontAttr(this.toolType, value, _readOnly_);}'},
              btnList: new List<string>(["Roboto", "Roboto Mono", "Nunito", "Times New Roman", "Arial", "Georgia", "Comic Sans MS", "Tahoma", "Impact", "Crimson Text"]) },
            { title: "Font Size",toolTip: "Font size (%size)",    btnType: ButtonType.NumberDropdownButton,              toolType:"fontSize", ignoreClick: true,   scripts: {script:  '{ return setFontAttr(this.toolType, value, _readOnly_);}'}, numBtnMax: 200, numBtnMin: 6 },
            { title: "Color",    toolTip: "Font color (%color)",  btnType: ButtonType.ColorButton,  icon: "font",        toolType:"fontColor",ignoreClick: true,   scripts: {script:  '{ return setFontAttr(this.toolType, value, _readOnly_);}'}},
            { title: "Highlight",toolTip: "Font highlight",       btnType: ButtonType.ColorButton,  icon: "highlighter", toolType:"highlight",ignoreClick: true,   scripts: {script:  '{ return setFontAttr(this.toolType, value, _readOnly_);}'}},
            { title: "Bold",     toolTip: "Bold (Ctrl+B)",        btnType: ButtonType.ToggleButton, icon: "bold",        toolType:"bold",     ignoreClick: true,   scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'} },
            { title: "Italic",   toolTip: "Italic (Ctrl+I)",      btnType: ButtonType.ToggleButton, icon: "italic",      toolType:"italics",  ignoreClick: true,   scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'} },
            { title: "Under",    toolTip: "Underline (Ctrl+U)",   btnType: ButtonType.ToggleButton, icon: "underline",   toolType:"underline",ignoreClick: true,   scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'} },
            { title: "Bullets",  toolTip: "Bullet List",          btnType: ButtonType.ToggleButton, icon: "list",        toolType:"bullet",   ignoreClick: true,   scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'} },
            { title: "#",        toolTip: "Number List",          btnType: ButtonType.ToggleButton, icon: "list-ol",     toolType:"decimal",  ignoreClick: true,   scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'} },
            { title: "Vcenter",  toolTip: "Vertical center",      btnType: ButtonType.ToggleButton, icon: "pallet",      toolType:"vcent",    ignoreClick: true,   scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'} },
            { title: "Align",    toolTip: "Alignment",            btnType: ButtonType.MultiToggleButton,                 toolType:"alignment", ignoreClick: true,
              subMenu: [
                { title: "Left",     toolTip: "Left align (Cmd-[)",   btnType: ButtonType.ToggleButton, icon: "align-left",  toolType:"left",  ignoreClick: true,  scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}' }},
                { title: "Center",   toolTip: "Center align (Cmd-\\)",btnType: ButtonType.ToggleButton, icon: "align-center",toolType:"center",ignoreClick: true,  scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'} },
                { title: "Right",    toolTip: "Right align (Cmd-])",  btnType: ButtonType.ToggleButton, icon: "align-right", toolType:"right", ignoreClick: true,  scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'} },
            ]},
            { title: "Elide",    toolTip: "Elide selection",      btnType: ButtonType.ToggleButton, icon: "eye",         toolType:"elide",     ignoreClick: true,  scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'}},
            { title: "Dictate",  toolTip: "Dictate",              btnType: ButtonType.ToggleButton, icon: "microphone",  toolType:"dictation", ignoreClick: true,  scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'}},
            { title: "NoLink",   toolTip: "Auto Link",            btnType: ButtonType.ToggleButton, icon: "link",        toolType:"noAutoLink", expertMode:true,   scripts: {onClick: '{ return toggleCharStyle(this.toolType, _readOnly_);}'}, funcs: {hidden: 'IsNoviceMode()'}},
            // { title: "Strikethrough", tooltip: "Strikethrough", btnType: ButtonType.ToggleButton, icon: "strikethrough", scripts: {onClick:: 'toggleStrikethrough()'}},
            // { title: "Superscript", tooltip: "Superscript", btnType: ButtonType.ToggleButton, icon: "superscript", scripts: {onClick:: 'toggleSuperscript()'}},
            // { title: "Subscript", tooltip: "Subscript", btnType: ButtonType.ToggleButton, icon: "subscript", scripts: {onClick:: 'toggleSubscript()'}},
             ];
    }

    static inkTools():Button[] {
        return [
            { title: "Pen",    toolTip: "Pen (Ctrl+P)",                     btnType: ButtonType.ToggleButton, icon: "pen-nib",    toolType: "pen",                            scripts: {onClick:'{ return setActiveTool(this.toolType, false, _readOnly_);}' }},
            { title: "Write",  toolTip: "Write (Ctrl+Shift+P)",             btnType: ButtonType.ToggleButton, icon: "pen",        toolType: "write",                          scripts: {onClick:'{ return setActiveTool(this.toolType, false, _readOnly_);}' }, funcs: {hidden:"IsNoviceMode()" }},
            { title: "Eraser", toolTip: "Eraser (Ctrl+E)",                  btnType: ButtonType.ToggleButton, icon: "eraser",     toolType: "eraser",                         scripts: {onClick:'{ return setActiveTool(this.toolType, false, _readOnly_);}' }, funcs: {hidden:"IsNoviceMode()" }},
            { title: "Circle", toolTip: "Circle (double tap to lock mode)", btnType: ButtonType.ToggleButton, icon: "circle",     toolType:GestureUtils.Gestures.Circle,      scripts: {onClick:`{ return setActiveTool(this.toolType, false, _readOnly_);}`, onDoubleClick:`{ return setActiveTool(this.toolType, true, _readOnly_);}`} },
            { title: "Square", toolTip: "Square (double tap to lock mode)", btnType: ButtonType.ToggleButton, icon: "square",     toolType:GestureUtils.Gestures.Rectangle,   scripts: {onClick:`{ return setActiveTool(this.toolType, false, _readOnly_);}`, onDoubleClick:`{ return setActiveTool(this.toolType, true, _readOnly_);}`} },
            { title: "Line",   toolTip: "Line (double tap to lock mode)",   btnType: ButtonType.ToggleButton, icon: "minus",      toolType:GestureUtils.Gestures.Line,        scripts: {onClick:`{ return setActiveTool(this.toolType, false, _readOnly_);}`, onDoubleClick:`{ return setActiveTool(this.toolType, true, _readOnly_);}`} },
            { title: "Mask",   toolTip: "Mask",                             btnType: ButtonType.ToggleButton, icon: "user-circle",toolType: "inkMask",                        scripts: {onClick:'{ return setInkProperty(this.toolType, value, _readOnly_);}'}, funcs: {hidden:"IsNoviceMode()" } },
            { title: "Labels", toolTip: "Lab els",                          btnType: ButtonType.ToggleButton, icon: "text-width", toolType: "labels",                         scripts: {onClick:'{ return setInkProperty(this.toolType, value, _readOnly_);}'}, },
            { title: "Width",  toolTip: "Stroke width",                     btnType: ButtonType.NumberSliderButton,               toolType: "strokeWidth", ignoreClick: true, scripts: {script: '{ return setInkProperty(this.toolType, value, _readOnly_);}'}, numBtnMin: 1},
            { title: "Ink",    toolTip: "Stroke color",                     btnType: ButtonType.ColorButton,  icon: "pen",        toolType: "strokeColor", ignoreClick: true, scripts: {script: '{ return setInkProperty(this.toolType, value, _readOnly_);}'} },
        ];
    }

    static schemaTools():Button[] {
        return [
            {title: "Preview", toolTip: "Show selection preview", btnType: ButtonType.ToggleButton, icon: "portrait", scripts:{ onClick: '{ return toggleSchemaPreview(_readOnly_); }'} },
            {title: "1 Line",  toolTip: "Single Line Rows",       btnType: ButtonType.ToggleButton, icon: "eye",      scripts:{ onClick: '{ return toggleSingleLineSchema(_readOnly_); }'} },
            {title: "DataViz", toolTip: "Turn Schema Table into Data Visualization Doc",       btnType: ButtonType.ClickButton, icon: "chart-bar", scripts:{ onClick: '{ datavizFromSchema()'} }, ];
    }

    static webTools() {
        return [
            { title: "Back",    toolTip: "Go back",         btnType: ButtonType.ClickButton,  icon: "arrow-left",              scripts: { onClick: '{ return webBack(); }' }},
            { title: "Forward", toolTip: "Go forward",      btnType: ButtonType.ClickButton,  icon: "arrow-right",             scripts: { onClick: '{ return webForward(); }'}},
            { title: "URL",     toolTip: "URL", width: 250, btnType: ButtonType.EditableText, icon: "lock", ignoreClick: true, scripts: { script:  '{ return webSetURL(value, _readOnly_); }'} },
        ];
    }
    static videoTools() {
        return [
            { title: "Snapshot",toolTip: "Take snapshot of current frame", btnType: ButtonType.ClickButton,  icon: "camera",   scripts: { onClick: '{ return videoSnapshot(); }' }},
        ];
    }
    static imageTools() {
        return [
            { title: "Pixels",toolTip: "Set Native Pixel Sizze", btnType: ButtonType.ClickButton,  icon: "portrait",  scripts: { onClick: 'imageSetPixelSize();' }},
            { title: "Rotate",toolTip: "Rotate 90",              btnType: ButtonType.ClickButton,  icon: "redo-alt",  scripts: { onClick: 'imageRotate90();' }},
        ];
    }
    static contextMenuTools():Button[] {
        return [
            { btnList: new List<string>([CollectionViewType.Freeform, CollectionViewType.Schema, CollectionViewType.Tree,
                    CollectionViewType.Stacking, CollectionViewType.Masonry, CollectionViewType.Multicolumn,
                    CollectionViewType.Multirow, CollectionViewType.Time, CollectionViewType.Carousel,
                    CollectionViewType.Carousel3D, CollectionViewType.Linear, CollectionViewType.Map,
                    CollectionViewType.Grid, CollectionViewType.NoteTaking]),
              title: "Perspective",                    toolTip: "View",                 btnType: ButtonType.DropdownList,                                                                                                                                    ignoreClick: true, width: 100, scripts: { script:  'setView(value, _readOnly_)'}},
            { title: "Pin",     icon: "map-pin",       toolTip: "Pin View to Trail",    btnType: ButtonType.ClickButton,         expertMode: false,                                                                                                                             width: 30,  scripts: { onClick: 'pinWithView(altKey)'}, funcs: {hidden: "IsNoneSelected()"}},
            { title: "Header",  icon: "heading",       toolTip: "Doc Titlebar Color",   btnType: ButtonType.ColorButton,         expertMode: false,                                                                                                          ignoreClick: true,             scripts: { script:  'return setHeaderColor(value, _readOnly_)'} },
            { title: "Template",icon: "scroll",        toolTip: "Default Note Template",btnType: ButtonType.ToggleButton,        expertMode: false, toolType:DocumentType.RTF,                                                                                                              scripts: { onClick: '{ return setDefaultTemplate(_readOnly_); }'} },
            { title: "Fill",    icon: "fill-drip",     toolTip: "Fill/Background Color",btnType: ButtonType.ColorButton,         expertMode: false,                                                                                                          ignoreClick: true, width: 30,  scripts: { script:  'return setBackgroundColor(value, _readOnly_)'}, funcs: {hidden: "IsNoneSelected()"}}, // Only when a document is selected
            { title: "Overlay", icon: "layer-group",   toolTip: "Overlay",              btnType: ButtonType.ToggleButton,        expertMode: true,  toolType:CollectionViewType.Freeform, funcs: {hidden: '!SelectionManager_selectedDocType(this.toolType, this.expertMode, true)'},       scripts: { onClick: '{ return toggleOverlay(_readOnly_); }'}}, // Only when floating document is selected in freeform
            { title: "Back",    icon: "chevron-left",  toolTip: "Prev Animation Frame", btnType: ButtonType.ClickButton,         expertMode: true,  toolType:CollectionViewType.Freeform, funcs: {hidden: '!SelectionManager_selectedDocType(this.toolType, this.expertMode)'}, width: 30,  scripts: { onClick: 'prevKeyFrame(_readOnly_)'}},
            { title: "Num",     icon:"", toolTip: "Frame # (click to toggle edit mode)",btnType: ButtonType.TextButton,          expertMode: true,  toolType:CollectionViewType.Freeform, funcs: {hidden: '!SelectionManager_selectedDocType(this.toolType, this.expertMode)', buttonText: 'selectedDocs()?.lastElement()?.currentFrame?.toString()'}, width: 20, scripts: { onClick: '{ return curKeyFrame(_readOnly_);}'}},
            { title: "Fwd",     icon: "chevron-right", toolTip: "Next Animation Frame", btnType: ButtonType.ClickButton,         expertMode: true,  toolType:CollectionViewType.Freeform, funcs: {hidden: '!SelectionManager_selectedDocType(this.toolType, this.expertMode)'}, width: 30,  scripts: { onClick: 'nextKeyFrame(_readOnly_)'}},
            { title: "Text",    icon: "Text",          toolTip: "Text functions",       subMenu: CurrentUserUtils.textTools(),   expertMode: false, toolType:DocumentType.RTF,            funcs: {                                                                             linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`} }, // Always available
            { title: "Ink",     icon: "Ink",           toolTip: "Ink functions",        subMenu: CurrentUserUtils.inkTools(),    expertMode: false, toolType:DocumentType.INK,            funcs: {hidden: `IsExploreMode()`,                                                   linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`}, scripts: { onClick: 'setInkToolDefaults()'} }, // Always available
            { title: "Doc",     icon: "Doc",           toolTip: "Freeform Doc tools",   subMenu: CurrentUserUtils.freeTools(),   expertMode: false, toolType:CollectionViewType.Freeform, funcs: {hidden: `!SelectionManager_selectedDocType(this.toolType, this.expertMode, true)`, linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`} }, // Always available
            { title: "View",    icon: "View",          toolTip: "View tools",           subMenu: CurrentUserUtils.viewTools(),   expertMode: false, toolType:CollectionViewType.Freeform, funcs: {hidden: `!SelectionManager_selectedDocType(this.toolType, this.expertMode)`, linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`} }, // Always available
            { title: "Stack",   icon: "View",          toolTip: "Stacking tools",       subMenu: CurrentUserUtils.stackTools(),  expertMode: false, toolType:CollectionViewType.Stacking, funcs: {hidden: `!SelectionManager_selectedDocType(this.toolType, this.expertMode)`, linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`} }, // Always available
            { title: "Web",     icon: "Web",           toolTip: "Web functions",        subMenu: CurrentUserUtils.webTools(),    expertMode: false, toolType:DocumentType.WEB,            funcs: {hidden: `!SelectionManager_selectedDocType(this.toolType, this.expertMode)`, linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`} }, // Only when Web is selected
            { title: "Video",   icon: "Video",         toolTip: "Video functions",      subMenu: CurrentUserUtils.videoTools(),  expertMode: false, toolType:DocumentType.VID,            funcs: {hidden: `!SelectionManager_selectedDocType(this.toolType, this.expertMode)`, linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`} }, // Only when video is selected
            { title: "Image",   icon: "Image",         toolTip: "Image functions",      subMenu: CurrentUserUtils.imageTools(),  expertMode: false, toolType:DocumentType.IMG,            funcs: {hidden: `!SelectionManager_selectedDocType(this.toolType, this.expertMode)`, linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`} }, // Only when image is selected
            { title: "Schema",  icon: "Schema",linearBtnWidth:58,toolTip: "Schema functions",subMenu: CurrentUserUtils.schemaTools(),expertMode: false,toolType:CollectionViewType.Schema,funcs: {hidden: `!SelectionManager_selectedDocType(this.toolType, this.expertMode)`, linearView_IsOpen: `SelectionManager_selectedDocType(this.toolType, this.expertMode)`} }, // Only when Schema is selected
           ];
    }

    /// initializes a context menu button for the top bar context menu
    static setupContextMenuButton(params:Button, btnDoc?:Doc, btnContainer?:Doc) {
        const reqdOpts:DocumentOptions = {
            ...OmitKeys(params, ["scripts", "funcs", "subMenu"]).omit,
            color: Colors.WHITE, isSystem: true,
            _nativeWidth: params.width ?? 30, _width: params.width ?? 30,
            _height: 30, _nativeHeight: 30, linearBtnWidth: params.linearBtnWidth,
            toolType: params.toolType, expertMode: params.expertMode,
            _dragOnlyWithinContainer: true, _lockedPosition: true,
            _embedContainer: btnContainer
        };
        const reqdFuncs:{[key:string]:any} = {
            ...params.funcs,
        }
        return DocUtils.AssignScripts(DocUtils.AssignOpts(btnDoc, reqdOpts) ?? Docs.Create.FontIconDocument(reqdOpts), params.scripts, reqdFuncs);
    }

    
    static setupContextMenuBtn(params:Button, menuDoc:Doc):Doc {
        const menuBtnDoc = DocListCast(menuDoc?.data).find( doc => doc.title === params.title);
        const subMenu = params.subMenu;
        if (!subMenu) { // button does not have a sub menu
            return this.setupContextMenuButton(params, menuBtnDoc, menuDoc);
        }  
        // linear view
        const reqdSubMenuOpts = { ...OmitKeys(params, ["scripts", "funcs", "subMenu"]).omit, undoIgnoreFields: new List<string>(['width', "linearView_IsOpen"]),
            childDontRegisterViews: true, flexGap: 0, _height: 30, ignoreClick: params.scripts?.onClick ? false : true,
            linearView_SubMenu: true, linearView_Expandable: true, embedContainer: menuDoc};
        
        const items = (menuBtnDoc?:Doc) => !menuBtnDoc ? [] : subMenu.map(sub => this.setupContextMenuBtn(sub, menuBtnDoc) );
        const creator = params.btnType === ButtonType.MultiToggleButton ? this.multiToggleList : this.linearButtonList;
        const btnDoc = DocUtils.AssignScripts( DocUtils.AssignDocField(menuDoc, StrCast(params.title), 
                (opts) => creator(opts, items(menuBtnDoc)), reqdSubMenuOpts, items(menuBtnDoc)), params.scripts, params.funcs);
        if (!menuBtnDoc) Doc.GetProto(btnDoc).data = new List<Doc>(items(btnDoc));   
        return btnDoc;
    }

    /// Initializes all the default buttons for the top bar context menu
    static setupContextMenuButtons(doc: Doc, field="myContextMenuBtns") {
        const reqdCtxtOpts:DocumentOptions = { title: "context menu buttons", undoIgnoreFields:new List<string>(['width', "linearView_IsOpen"]), flexGap: 0, childDragAction: dropActionType.embed, childDontRegisterViews: true,  linearView_IsOpen: true, ignoreClick: true, linearView_Expandable: false, _height: 35 };
        const ctxtMenuBtnsDoc = DocUtils.AssignDocField(doc, field, (opts, items) => this.linearButtonList(opts, items??[]), reqdCtxtOpts, undefined);
        const ctxtMenuBtns = CurrentUserUtils.contextMenuTools().map(params => this.setupContextMenuBtn(params, ctxtMenuBtnsDoc) );
        return DocUtils.AssignOpts(ctxtMenuBtnsDoc, reqdCtxtOpts, ctxtMenuBtns);
    }
    /// Initializes all the default buttons for the top bar context menu
    static setupTopbarButtons(doc: Doc, field="myTopBarBtns") {
        Doc.UserDoc().currentRecording = undefined;
        Doc.UserDoc().workspaceRecordingState = undefined;
        Doc.UserDoc().workspaceReplayingState = undefined;
        const dockedBtns = DocCast(doc[field]);
        const dockBtn = (opts: DocumentOptions, scripts: {[key:string]:string|undefined}, funcs?: {[key:string]:any}) =>
            DocUtils.AssignScripts(DocUtils.AssignOpts(DocListCast(dockedBtns?.data)?.find(doc => doc.title === opts.title), opts) ?? 
                            CurrentUserUtils.createToolButton(opts), scripts, funcs);
        
        const btnDescs = [// setup reactions to change the highlights on the undo/redo buttons -- would be better to encode this in the undo/redo buttons, but the undo/redo stacks are not wired up that way yet
            { opts: { title: "Replicate",icon:"camera",toolTip: "Copy dashboard layout",btnType: ButtonType.ClickButton, expertMode: true},                                                                                              scripts: { onClick:  `snapshotDashboard()`}},
            { opts: { title: "Recordings",            toolTip: "Workspace Recordings", btnType: ButtonType.DropdownList,expertMode: false, ignoreClick: true, width: 100}, funcs: {hidden: `false`, btnList:`getWorkspaceRecordings()`}, scripts: { script:  `{ return replayWorkspace(value, _readOnly_); }`, onDragScript: `{ return startRecordingDrag(value); }`}},
            { opts: { title: "Stop Rec",icon: "stop", toolTip: "Stop recording",       btnType: ButtonType.ClickButton, expertMode: false}, funcs: {hidden: `!isWorkspaceRecording()`},                                                  scripts: { onClick: `stopWorkspaceRecording()`}},
            { opts: { title: "Play",    icon: "play", toolTip: "Play recording",       btnType: ButtonType.ClickButton, expertMode: false}, funcs: {hidden: `isWorkspaceReplaying() !== "${media_state.Paused}"`},                       scripts: { onClick: `resumeWorkspaceReplaying(getCurrentRecording())`}},
            { opts: { title: "Pause",   icon: "pause",toolTip: "Pause playback",       btnType: ButtonType.ClickButton, expertMode: false}, funcs: {hidden: `isWorkspaceReplaying() !== "${media_state.Playing}"`},                      scripts: { onClick: `pauseWorkspaceReplaying(getCurrentRecording())`}},
            { opts: { title: "Stop",    icon: "stop", toolTip: "Stop playback",        btnType: ButtonType.ClickButton, expertMode: false}, funcs: {hidden: `isWorkspaceReplaying() !== "${media_state.Paused}"`},                       scripts: { onClick: `stopWorkspaceReplaying(getCurrentRecording())`}},
            { opts: { title: "Delete",  icon: "trash",toolTip: "delete selected rec",  btnType: ButtonType.ClickButton, expertMode: false}, funcs: {hidden: `isWorkspaceReplaying() !== "${media_state.Paused}"`},                       scripts: { onClick: `removeWorkspaceReplaying(getCurrentRecording())`}}
        ];
        const btns = btnDescs.map(desc => dockBtn({_width: desc.opts.width??30, _height: 30, defaultDoubleClick: 'ignore', undoIgnoreFields: new List<string>(['opacity']), _dragOnlyWithinContainer: true, ...desc.opts}, desc.scripts, desc.funcs));
        const dockBtnsReqdOpts:DocumentOptions = {
            title: "docked buttons", _height: 40, flexGap: 0, layout_boxShadow: "standard", childDragAction: dropActionType.move,
            childDontRegisterViews: true, linearView_IsOpen: true, linearView_Expandable: false, ignoreClick: true
        };
        return DocUtils.AssignDocField(doc, field, (opts, items) => this.linearButtonList(opts, items??[]), dockBtnsReqdOpts, btns);
    }

    static setupPublished(doc:Doc, field = "myPublishedDocs") {
        return DocUtils.AssignDocField(doc, field, (opts) => Docs.Create.TreeDocument([], opts), { title: "published docs", backgroundColor: "#aca3a6", isSystem: true });
    }
    
    /// The database of all links on all documents
    static setupLinkDocs(doc: Doc, linkDatabaseId: string) {
        if (!(Docs.newAccount ? undefined : DocCast(doc.myLinkDatabase))) {
            const linkDocs = new Doc(linkDatabaseId, true);
            linkDocs.title = "LINK DATABASE: " + Doc.CurrentUserEmail;
            linkDocs.author = Doc.CurrentUserEmail;
            linkDocs.isSystem = true;
            linkDocs.data = new List<Doc>([]);
            linkDocs["acl-Guest"] = SharingPermissions.Augment;
            doc.myLinkDatabase = new PrefetchProxy(linkDocs);
        }
    }

    /// Shared documents option on the left side button panel
    // A user's sharing document is where all documents that are shared to that user are placed.  
    // When the user views one of these documents, it will be added to the sharing documents 'viewed' list field
    // The sharing document also stores the user's color value which helps distinguish shared documents from personal documents
    static setupSharedDocs(doc: Doc, sharingDocumentId: string) {
        const dblClkScript = "{scriptContext.openLevel(documentView); addDocToList(getSharingDoc(), 'viewed', documentView.Document);}";
        
        const sharedScripts = {  treeView_ChildDoubleClick: dblClkScript,  }
        const sharedDocOpts:DocumentOptions = {
            title: "My Shared Docs",
            userColor: "rgb(202, 202, 202)",
            isFolder:true, undoIgnoreFields:new List<string>(['treeView_SortCriterion']),
            // childContextMenuFilters: new List<ScriptField>([dashboardFilter!,]),
            // childContextMenuScripts: new List<ScriptField>([addToDashboards!,]),
            // childContextMenuLabels: new List<string>(["Add to Dashboards",]),
            // childContextMenuIcons: new List<string>(["user-plus",]),
            "acl-Guest": SharingPermissions.Augment, "_acl-Guest": SharingPermissions.Augment,
            childDragAction: dropActionType.embed, isSystem: true, childContentPointerEvents: "none", childLimitHeight: 0, _yMargin: 0, _gridGap: 15, childDontRegisterViews:true,
            // NOTE: treeView_HideTitle & _layout_showTitle is for a TreeView's editable title, _layout_showTitle is for DocumentViews title bar
            _layout_showTitle: "title", treeView_HideTitle: true, ignoreClick: true, _lockedPosition: true, layout_boxShadow: "0 0", _chromeHidden: true, dontRegisterView: true, 
            layout_explainer: "This is where documents or dashboards that other users have shared with you will appear. To share a document or dashboard right click and select 'Share'"
        };
        
        DocUtils.AssignDocField(doc, "mySharedDocs", opts => Docs.Create.TreeDocument([], opts, sharingDocumentId + "layout", sharingDocumentId), sharedDocOpts, undefined, sharedScripts);
        if (!Doc.GetProto(DocCast(doc.mySharedDocs)).data_dashboards) Doc.GetProto(DocCast(doc.mySharedDocs)).data_dashboards = new List<Doc>();
    }

    /// Import option on the left side button panel 
    static setupImportSidebar(doc: Doc, field:string) {
        const reqdOpts:DocumentOptions = {
            title: "My Imports", _forceActive: true, _layout_showTitle: "title", childLayoutString: ImportElementBox.LayoutString('data'),
            _dragOnlyWithinContainer: true, layout_hideContextMenu: true, childLimitHeight: 0, onClickScriptDisable:"never",
            childDragAction: dropActionType.copy, _layout_autoHeight: true, _yMargin: 50, _gridGap: 15, layout_boxShadow: "0 0", _lockedPosition: true, isSystem: true, _chromeHidden: true,
            dontRegisterView: true, layout_explainer: "This is where documents that are Imported into Dash will go."
        };
        const myImports = DocUtils.AssignDocField(doc, field, (opts) => Docs.Create.MasonryDocument([], opts), reqdOpts, undefined, {onClick: "deselectAll()"});
    
        const reqdBtnOpts:DocumentOptions = { _forceActive: true, toolTip: "Import from computer",
            _width: 30, _height: 30, color: Colors.BLACK, _dragOnlyWithinContainer: true, title: "Import", btnType: ButtonType.ClickButton, 
            buttonText: "Import", icon: "upload", isSystem: true };
        DocUtils.AssignDocField(myImports, "layout_headerButton", (opts) => Docs.Create.FontIconDocument(opts), reqdBtnOpts, undefined, { onClick: "importDocument()" });
        return myImports;
    }
    /// Updates the UserDoc to have all required fields, docs, etc.  No changes should need to be
    /// written to the server if the code hasn't changed.  However, choices need to be made for each Doc/field
    /// whether to revert to "default" values, or to leave them as the user/system last set them.
    static updateUserDocument(doc: Doc, sharingDocumentId: string, linkDatabaseId: string) {
        DocUtils.AssignDocField(doc, "globalGroupDatabase", () => Docs.Prototypes.MainGroupDocument(), {});
        reaction(() => DateCast(DocCast(doc.globalGroupDatabase)["data_modificationDate"]),
            async () => {
                const groups = await DocListCastAsync(DocCast(doc.globalGroupDatabase).data);
                const mygroups = groups?.filter(group => JSON.parse(StrCast(group.members)).includes(Doc.CurrentUserEmail)) || [];
                SetCachedGroups(["Guest", ...mygroups?.map(g => StrCast(g.title))]);
            }, { fireImmediately: true });
        doc.isSystem ?? (doc.isSystem = true);
        doc.title ?? (doc.title = Doc.CurrentUserEmail);
        Doc.noviceMode ?? (Doc.noviceMode = true);
        doc._showLabel ?? (doc._showLabel = true);
        doc.textAlign ?? (doc.textAlign = "left");
        doc.activeTool = InkTool.None;
        doc.openInkInLightbox ?? (doc.openInkInLightbox = false);
        doc.activeInkHideTextLabels ?? (doc.activeInkHideTextLabels = false);
        doc.activeInkColor ?? (doc.activeInkColor = "rgb(0, 0, 0)");
        doc.activeInkWidth ?? (doc.activeInkWidth = 1);
        doc.activeInkBezier ?? (doc.activeInkBezier = "0");
        doc.activeFillColor ?? (doc.activeFillColor = "");
        doc.activeArrowStart ?? (doc.activeArrowStart = "");
        doc.activeArrowEnd ?? (doc.activeArrowEnd = "");
        doc.activeDash ?? (doc.activeDash == "0");
        doc.fontSize ?? (doc.fontSize = "12px");
        doc.fontFamily ?? (doc.fontFamily = "Arial");
        doc.fontColor ?? (doc.fontColor = "black");
        doc.fontHighlight ?? (doc.fontHighlight = "");
        doc.defaultAclPrivate ?? (doc.defaultAclPrivate = false);
        doc.savedFilters ?? (doc.savedFilters = new List<Doc>());
        doc.userBackgroundColor ?? (doc.userBackgroundColor = Colors.DARK_GRAY);
        doc.userVariantColor ?? (doc.userVariantColor = Colors.MEDIUM_BLUE);
        doc.userColor ?? (doc.userColor = Colors.LIGHT_GRAY);
        doc.userTheme ?? (doc.userTheme = ColorScheme.Dark);
        doc.filterDocCount = 0;
        doc.treeView_FreezeChildren = "remove|add";
        doc.activePage = doc.activeDashboard === undefined ? 'home': doc.activePage;
        this.setupLinkDocs(doc, linkDatabaseId);
        this.setupSharedDocs(doc, sharingDocumentId);  // sets up the right sidebar collection for mobile upload documents and sharing
        this.setupDefaultIconTemplates(doc);  // creates a set of icon templates triggered by the document deoration icon
        this.setupActiveMobileMenu(doc); // sets up the current mobile menu for Dash Mobile
        this.setupPublished(doc);  // sets up the list doc of all docs that have been published (meaning that they can be auto-linked by typing their title into another text box)
        this.setupContextMenuButtons(doc); // set up the row of buttons at the top of the dashboard that change depending on what is selected
        this.setupTopbarButtons(doc);
        this.setupDockedButtons(doc);  // the bottom bar of font icons
        this.setupLeftSidebarMenu(doc); // the left-side column of buttons that open their contents in a flyout panel on the left
        this.setupDocTemplates(doc); // sets up the template menu of templates
        //this.setupFieldInfos(doc); // sets up the collection of field info descriptions for each possible DocumentOption
        DocUtils.AssignDocField(doc, "globalScriptDatabase", (opts) =>  Docs.Prototypes.MainScriptDocument(), {});
        DocUtils.AssignDocField(doc, "myHeaderBar", (opts) => Docs.Create.MulticolumnDocument([], opts), { title: "My Header Bar", isSystem: true, _chromeHidden:true, layout_maxShown: 10, childLayoutFitWidth:false, childDocumentsActive:false, dropAction: dropActionType.move}); // drop down panel at top of dashboard for stashing documents
        
        Doc.AddDocToList(Doc.MyFilesystem, undefined, Doc.MyDashboards)
        Doc.AddDocToList(Doc.MyFilesystem, undefined, Doc.MySharedDocs)
        Doc.AddDocToList(Doc.MyFilesystem, undefined, Doc.MyRecentlyClosed)

        Doc.GetProto(DocCast(Doc.UserDoc().emptyWebpage)).data = new WebField("https://www.wikipedia.org")

        new LinkManager();

        DocServer.CacheNeedsUpdate && setTimeout(DocServer.UPDATE_SERVER_CACHE, 2500);
        setInterval(DocServer.UPDATE_SERVER_CACHE, 120000);
        return doc;
    }
    static setupFieldInfos(doc:Doc, field="fieldInfos") {
        const fieldInfoOpts = { title: "Field Infos", isSystem: true}; // bcz: all possible document options have associated field infos which are stored onn the FieldInfos document **except for title and system which are used as part of the definition of the fieldInfos object
        const infos = DocUtils.AssignDocField(doc, field, opts => Doc.assign(new Doc(), opts as any), fieldInfoOpts);
        const entries = Object.entries(new DocumentOptions());
        entries.forEach(pair => {
            if (!Array.from(Object.keys(fieldInfoOpts)).includes(pair[0])) {
                const options = pair[1] as FInfo;
                const opts:DocumentOptions = { isSystem: true, title: pair[0], ...OmitKeys(options, ["values"]).omit, fieldIsLayout: pair[0].startsWith("_")};
                switch (options.fieldType) {
                    case FInfoFieldType.boolean: opts.fieldValues = new List<boolean>(options.values as any); break;
                    case FInfoFieldType.number: opts.fieldValues = new List<number>(options.values as any); break;
                    case FInfoFieldType.Doc: opts.fieldValues = new List<Doc>(options.values as any); break;
                    default: opts.fieldValues = new List<string>(options.values as any); break;// string, pointerEvents, dimUnit, dropActionType
                }
                DocUtils.AssignDocField(infos, pair[0], opts => Doc.assign(new Doc(), OmitKeys(opts,["values"]).omit), opts);
            }
        });
    }

    @observable public static ServerVersion: string = ';'
    public static async loadCurrentUser() {
        return rp.get(Utils.prepend("/getCurrentUser")).then(async response => {
            if (response) {
                const result: { version: string, userDocumentId: string, sharingDocumentId: string, linkDatabaseId: string,  email: string, cacheDocumentIds: string, resolvedPorts: string } = JSON.parse(response);
                runInAction(() => CurrentUserUtils.ServerVersion = result.version);
                Doc.CurrentUserEmail = result.email;
                resolvedPorts = result.resolvedPorts as any;
                DocServer.init(window.location.protocol, window.location.hostname, resolvedPorts?.socket, result.email);
                if (result.cacheDocumentIds) 
                {
                    const ids = result.cacheDocumentIds.split(";");
                    const batch = 30000;
                    for (let i = 0; i < ids.length; i += batch) {
                        await DocServer.GetRefFields(ids.slice(i, i+batch));
                    }
                }
                return result;
            } else {
                throw new Error("There should be a user! Why does Dash think there isn't one?");
            }
        });
    }

    public static async loadUserDocument(info:{
        userDocumentId: string;
        sharingDocumentId: string;
        linkDatabaseId: string;
    }) {
        return DocServer.GetRefField(info.userDocumentId).then(async field => {
            Docs.newAccount = !(field instanceof Doc);
            await Docs.Prototypes.initialize();
            const userDoc = Docs.newAccount ? new Doc(info.userDocumentId, true) : field as Doc;
            this.updateUserDocument(Doc.SetUserDoc(userDoc), info.sharingDocumentId, info.linkDatabaseId);
            if (Docs.newAccount) {
                if (Doc.CurrentUserEmail === "guest") {
                    DashboardView.createNewDashboard(undefined, "guest dashboard");
                } else {
                    userDoc.activePage = "home";
                    userDoc.noviceMode = true;
                }
            }
            return userDoc;
        });
    }


    public static importDocument = () => {
        const input = document.createElement("input");
        input.type = "file";
        input.multiple = true;
        input.accept = ".zip, application/pdf, video/*, image/*, audio/*";
        input.onchange = async _e => {
            const file = input.files?.[0];
            if (file?.type === 'application/zip' || file?.type === 'application/x-zip-compressed') {
                const doc = await Doc.importDocument(file);
                // NOT USING SOLR, so need to replace this with something else // if (doc instanceof Doc) {
                //     setTimeout(() => SearchUtil.Search(`{!join from=id to=proto_i}id:link*`, true, {}).then(docs =>
                //         docs.docs.forEach(d => LinkManager.Instance.addLink(d))), 2000); // need to give solr some time to update so that this query will find any link docs we've added.
                // }
                const list = Cast(Doc.MyImports.data, listSpec(Doc), null);
                doc instanceof Doc && list?.splice(0, 0, doc);
            } else if (input.files && input.files.length !== 0) {
                const disposer = OverlayView.ShowSpinner();
                const results = await DocUtils.uploadFilesToDocs(Array.from(input.files || []), {});
                if (results.length !== input.files?.length) {
                    alert("Error uploading files - possibly due to unsupported file types");
                }
                const list = Cast(Doc.MyImports.data, listSpec(Doc), null);
                list?.splice(0, 0, ...results);
                disposer();
            } else {
                console.log("No file selected");
            }
        };
        input.click();
    }
}

ScriptingGlobals.add(function MySharedDocs() { return Doc.MySharedDocs; }, "document containing all shared Docs");
ScriptingGlobals.add(function IsExploreMode() { return SnappingManager.ExploreMode; }, "is Dash in exploration mode");
ScriptingGlobals.add(function IsNoviceMode() { return Doc.noviceMode; }, "is Dash in novice mode");
ScriptingGlobals.add(function toggleComicMode() { Doc.UserDoc().renderStyle = Doc.UserDoc().renderStyle === "comic" ? undefined : "comic"; }, "switches between comic and normal document rendering");
ScriptingGlobals.add(function importDocument() { return CurrentUserUtils.importDocument(); }, "imports files from device directly into the import sidebar");
ScriptingGlobals.add(function setInkToolDefaults() { Doc.ActiveTool = InkTool.None; });
ScriptingGlobals.add(function getSharingDoc() {return Doc.SharingDoc() });