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import { VDomRenderer, VDomModel } from '@jupyterlab/apputils';
import { LabIcon, ellipsesIcon, caretLeftIcon } from '@jupyterlab/ui-components';
import { JSONExt } from '@lumino/coreutils';
import React from 'react';
import { ICONS } from '../icons';
import {
CSS,
IDeckManager,
INCAPABLE,
IPresenterCapbilities,
LAYER_SCOPES,
SLIDE_TYPES,
TLayerScope,
TSlideType,
} from '../tokens';
export class DesignTools extends VDomRenderer<DesignTools.Model> {
constructor(options: DesignTools.IOptions) {
super(new DesignTools.Model(options));
this.addClass(CSS.designTools);
document.body.appendChild(this.node);
}
dispose() {
this.model.dispose();
super.dispose();
document.body.removeChild(this.node);
}
protected render(): JSX.Element {
return <div>{this.more()}</div>;
}
more(): JSX.Element[] {
const { model } = this;
const { __ } = model.manager;
const { capabilities, showMore } = model;
if (!capabilities.layout && !capabilities.slideType && !capabilities.layerScope) {
return [];
}
if (!showMore) {
return [
this.makeButton(
ellipsesIcon,
__('Show Design Tools'),
() => (model.showMore = true),
),
];
}
let items: JSX.Element[] = [
this.makeButton(
caretLeftIcon,
__('Hide Design Tools'),
() => (model.showMore = false),
),
];
const { layover } = this.model.manager;
if (capabilities.layout) {
items.push(
this.makeButton(
layover ? ICONS.transformStop : ICONS.transformStart,
layover ? __('Hide Layout') : __('Show Layout'),
() => {
let { manager } = this.model;
manager.layover ? manager.hideLayover() : manager.showLayover();
},
),
);
}
if (capabilities.slideType) {
const { currentSlideType } = model;
let slideTypes: JSX.Element[] = [];
let slideType: TSlideType;
let activeItem: JSX.Element | null = null;
for (slideType of SLIDE_TYPES) {
let item = this.makeSlideTypeItem(slideType, currentSlideType);
if (currentSlideType === slideType) {
activeItem = item;
} else {
slideTypes.push(item);
}
}
if (activeItem) {
slideTypes.push(activeItem);
}
items.push(
<ul key="slide-type" className={`${CSS.selector} ${CSS.slideType}`}>
{slideTypes}
</ul>,
);
}
if (capabilities.layerScope) {
const { currentLayerScope } = model;
let layerScopes: JSX.Element[] = [];
let layerScope: TLayerScope | null;
let activeItem: JSX.Element | null = null;
for (layerScope of [...LAYER_SCOPES, null]) {
let item = this.makeLayerScopeItem(layerScope, currentLayerScope);
if (currentLayerScope === layerScope) {
activeItem = item;
} else {
layerScopes.push(item);
}
}
if (activeItem) {
layerScopes.push(activeItem);
}
items.push(
<ul key="layer" className={`${CSS.selector} ${CSS.layerScope}`}>
{layerScopes}
</ul>,
);
}
if (capabilities.stylePart) {
let { currentPartStyles } = model;
items.push(
this.makeSlider('z-index', currentPartStyles),
this.makeSlider('zoom', currentPartStyles),
this.makeSlider('opacity', currentPartStyles),
);
}
return items;
}
makeSlideTypeItem = (
slideType: TSlideType,
currentSlideType: TSlideType,
): JSX.Element => {
let { __ } = this.model.manager;
let slideTypeKey = slideType == null ? 'null' : slideType;
let icon = ICONS.slideshow[slideTypeKey];
let label = __(slideTypeKey);
let button = this.makeButton(
icon,
label,
() => this.model.manager.setSlideType(slideType),
'',
[<label key="label">{label}</label>],
);
return (
<li key={slideType} className={currentSlideType === slideType ? CSS.active : ''}>
{button}
</li>
);
};
makeLayerScopeItem = (
layerScope: TLayerScope | null,
currentLayerScope: TLayerScope | null,
): JSX.Element => {
let { __ } = this.model.manager;
let layerScopeKey = layerScope == null ? 'null' : layerScope;
let icon = ICONS.layer[layerScopeKey];
let label = __(layerScopeKey);
let button = this.makeButton(
icon,
label,
() => this.model.manager.setLayerScope(layerScope),
'',
[<label key="label">{label}</label>],
);
return (
<li className={currentLayerScope === layerScope ? CSS.active : ''}>{button}</li>
);
};
makeSlider = (
attr: DesignTools.TSliderAttr,
styles: GlobalStyles | null,
): JSX.Element => {
const config = DesignTools.SLIDER_CONFIG[attr];
const { suffix, className, icon } = config;
let value = styles ? (styles[attr] as any) : null;
let checkbox: JSX.Element | null = null;
if (value != null) {
if (suffix) {
value = value.replace(suffix, '');
}
value = parseFloat(value);
checkbox = (
<input
type="checkbox"
name={`${attr}-enabled`}
checked
onChange={this.onSliderChange}
></input>
);
}
let valueAttr = { value: value == null ? config.defaultValue : value };
let finalClassName = value == null ? className : `${className} ${CSS.active}`;
return (
<div className={`${CSS.slider} ${finalClassName}`} title={attr} key={attr}>
{checkbox ? [checkbox] : []}
<input
name={attr}
type="range"
{...config.attrs}
{...valueAttr}
onChange={this.onSliderChange}
></input>
<label>
<icon.react width={32} />
<span>{attr}</span>
</label>
</div>
);
};
onSliderChange = (event: React.ChangeEvent<HTMLInputElement>) => {
const { value, name, checked } = event.currentTarget;
if (name.endsWith('-enabled')) {
if (!checked) {
this.model.setPartStyles(name.replace('-enabled', ''), null);
}
} else {
const config = DesignTools.SLIDER_CONFIG[name as DesignTools.TSliderAttr];
const suffix = config.suffix || '';
this.model.setPartStyles(name, `${value}${suffix}`);
}
};
makeButton(
icon: LabIcon,
title: string,
onClick: () => void,
className: string = '',
children: JSX.Element[] = [],
) {
return (
<button
className={className}
onClick={onClick}
title={this.model.manager.__(title)}
key={title}
>
<icon.react width={32} />
{children}
</button>
);
}
}
export namespace DesignTools {
export class Model extends VDomModel {
private _manager: IDeckManager;
private _showMore = false;
constructor(options: IOptions) {
super();
this._manager = options.manager;
this._manager.activeChanged.connect(this._onActiveChanged, this);
this._manager.layoverChanged.connect(this._emit);
}
dispose() {
this._manager.activeChanged.disconnect(this._onActiveChanged, this);
this._manager.layoverChanged.disconnect(this._emit);
super.dispose();
}
get manager(): IDeckManager {
return this._manager;
}
get showMore() {
return this._showMore;
}
set showMore(showMore: boolean) {
if (this._showMore !== showMore) {
this._showMore = showMore;
this._emit();
}
}
get capabilities(): IPresenterCapbilities {
return this._manager.activePresenter?.capabilities || INCAPABLE;
}
get currentSlideType(): TSlideType | null {
return this._manager.getSlideType();
}
get currentLayerScope(): TLayerScope | null {
return this._manager.getLayerScope();
}
get currentPartStyles(): GlobalStyles | null {
let styles = this._manager.getPartStyles();
return styles;
}
setPartStyles(attr: string, value: any) {
let styles = { ...(this.currentPartStyles || JSONExt.emptyObject) };
styles[attr] = value;
this._manager.setPartStyles(styles as GlobalStyles);
this._emit();
}
private _emit = () => {
this.stateChanged.emit(void 0);
};
private _onActiveChanged() {
this.stateChanged.emit(void 0);
}
}
export interface IOptions {
manager: IDeckManager;
}
export type TSliderAttr = 'z-index' | 'zoom' | 'opacity';
export interface ISliderBounds {
attrs: {
min: number;
max: number;
step: number;
};
defaultValue: number;
suffix?: string;
icon: LabIcon;
className: string;
}
export type TSliders = {
[key in TSliderAttr]: ISliderBounds;
};
export const SLIDER_CONFIG: TSliders = {
zoom: {
attrs: { min: 50, max: 500, step: 1 },
defaultValue: 100,
suffix: '%',
icon: ICONS.zoom,
className: CSS.zoom,
},
'z-index': {
attrs: { min: -10, max: 10, step: 1 },
defaultValue: 0,
icon: ICONS.zIndex,
className: CSS.zIndex,
},
opacity: {
attrs: { min: 0, max: 100, step: 1 },
suffix: '%',
defaultValue: 100,
icon: ICONS.opacity,
className: CSS.opacity,
},
};
}
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