nope/resources/ui/layout/dynamicLayout.tsx
2021-02-12 08:39:03 +01:00

619 lines
21 KiB
TypeScript

/**
* @author Martin Karkowski
* @email m.karkowski@zema.de
* @create date 2019-02-20 09:19:06
* @modify date 2020-10-29 09:55:30
* @desc [description]
*
* A Basic DynamicLayout.
* I uses a Toolbar, Sidebar
*
* Toast are implemented by https://fkhadra.github.io/react-toastify/introduction
* Dynamic Account https://github.com/STRML/react-grid-layout
*
*/
import { faEye, faEyeSlash, faWindowClose } from "@fortawesome/free-solid-svg-icons";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import React from "react";
import { Card, Modal } from "react-bootstrap";
import GridLayout, { Responsive, WidthProvider } from "react-grid-layout";
import { toast, ToastContainer } from "react-toastify";
import "react-toastify/dist/ReactToastify.css";
import { generateId } from "../../../lib/helpers/idMethods";
import { rgetattr, rsetattr } from "../../../lib/helpers/objectMethods";
import DynamicRenderer from "../dynamic/dynamicRenderer";
import { IDynamicRenderSettings } from "../dynamic/interfaces/IDynamicRenderSettings";
import { IHotKeyAction } from "./interfaces/IHotkeyAction";
import { IModalSettings } from "./interfaces/IModalSettings";
import Toolbar, { IMenu, ToolbarProps } from "./toolbar";
export interface IDynamicWidget extends IDynamicRenderSettings {
id: string,
label: string,
visible: boolean,
gridSettings: {
// A string corresponding to the component key
i?: string,
// These are all in grid units, not pixels
x: number,
y: number,
w: number,
h: number,
minW?: number;
maxW?: number;
minH?: number;
maxH?: number;
// If true, equal to `isDraggable: false, isResizable: false`.
static?: boolean,
// If false, will not be draggable. Overrides `static`.
isDraggable?: boolean;
// If false, will not be resizable. Overrides `static`.
isResizable?: boolean;
// By default, a handle is only shown on the bottom-right (southeast) corner.
// Note that resizing from the top or left is generally not intuitive.
// Defaults to ['se']
resizeHandles?: Array<"s" | "w" | "e" | "n" | "sw" | "nw" | "se" | "ne">
// If true and draggable, item will be moved only within grid.
isBounded?: boolean
},
preventRenderingCard?: boolean
showLabel?: boolean;
hideable?: boolean;
bg?: "primary" | "secondary" | "success" | "danger" | "warning" | "info" | "dark" | "light";
border?: "primary" | "secondary" | "success" | "danger" | "warning" | "info" | "dark" | "light";
text?: "primary" | "secondary" | "success" | "danger" | "warning" | "info" | "dark" | "light";
}
// All callbacks below have signature (layout, oldItem, newItem, placeholder, e, element).
// 'start' and 'stop' callbacks pass `undefined` for 'placeholder'.
export type ItemCallback = (layout, oldItem, newItem, placeholder, e: MouseEvent, element: HTMLElement) => void;
export interface IDynamicLayoutProps<CallbackData> extends ToolbarProps<CallbackData> {
hotkeys?: IHotKeyAction<CallbackData>[];
components: IDynamicWidget[]
layoutSettings: {
//
// Basic props
//
// This allows setting the initial width on the server side.
// This is required unless using the HOC <WidthProvider> or similar
width?: number,
// If true, the container height swells and contracts to fit contents
autoSize?: boolean,
// Number of columns in this layout.
cols?: number,
// A CSS selector for tags that will not be draggable.
// For example: draggableCancel:'.MyNonDraggableAreaClassName'
// If you forget the leading . it will not work.
draggableCancel?: string,
// A CSS selector for tags that will act as the draggable handle.
// For example: draggableHandle:'.MyDragHandleClassName'
// If you forget the leading . it will not work.
draggableHandle?: string,
// If true, the layout will compact vertically
verticalCompact?: boolean,
// Compaction type.
compactType?: ("vertical" | "horizontal");
// Layout is an array of object with the format:
// {x: number, y: number, w: number, h: number}
// The index into the layout must match the key used on each item component.
// If you choose to use custom keys, you can specify that key in the layout
// array objects like so:
// {i: string, x: number, y: number, w: number, h: number}
layout?: Array<[number, number, number, number]> | Array<{ i: string, x: number, y: number, w: number, h: number }> // If not provided, use data-grid props on children
// Margin between items [x, y] in px.
margin?: [number, number],
// Padding inside the container [x, y] in px
containerPadding?: [number, number]
// Rows have a static height, but you can change this based on breakpoints
// if you like.
rowHeight?: number
//
// Flags
//
isDraggable?: boolean,
isResizable?: boolean,
isBounded?: boolean,
// Uses CSS3 translate() instead of position top/left.
// This makes about 6x faster paint performance
useCSSTransforms?: boolean,
// If parent DOM node of ResponsiveReactGridLayout or ReactGridLayout has "transform: scale(n)" css property,
// we should set scale coefficient to avoid render artefacts while dragging.
transformScale?: number,
// If true, grid items won't change position when being
// dragged over.
preventCollision?: boolean;
// If true, droppable elements (with `draggable={true}` attribute)
// can be dropped on the grid. It triggers "onDrop" callback
// with position and event object as parameters.
// It can be useful for dropping an element in a specific position
//
// NOTE: In case of using Firefox you should add
// `onDragStart={e => e.dataTransfer.setData('text/plain', '')}` attribute
// along with `draggable={true}` otherwise this feature will work incorrect.
// onDragStart attribute is required for Firefox for a dragging initialization
// @see https://bugzilla.mozilla.org/show_bug.cgi?id=568313
isDroppable?: boolean
// Defines which resize handles should be rendered
// Allows for any combination of:
// 's' - South handle (bottom-center)
// 'w' - West handle (left-center)
// 'e' - East handle (right-center)
// 'n' - North handle (top-center)
// 'sw' - Southwest handle (bottom-left)
// 'nw' - Northwest handle (top-left)
// 'se' - Southeast handle (bottom-right)
// 'ne' - Northeast handle (top-right)
resizeHandles?: Array<"s" | "w" | "e" | "n" | "sw" | "nw" | "se" | "ne">
// Custom component for resize handles
resizeHandle?: React.ReactElement<any> | ((resizeHandleAxis) => React.ReactElement<any>)
//
// Callbacks
//
// Callback so you can save the layout.
// Calls back with (currentLayout) after every drag or resize stop.
onLayoutChange?: (layout: GridLayout) => void,
// Calls when drag starts.
onDragStart?: ItemCallback,
// Calls on each drag movement.
onDrag?: ItemCallback,
// Calls when drag is complete.
onDragStop?: ItemCallback,
// Calls when resize starts.
onResizeStart?: ItemCallback,
// Calls when resize movement happens.
onResize?: ItemCallback,
// Calls when resize is complete.
onResizeStop?: ItemCallback,
// Calls when an element has been dropped into the grid from outside.
onDrop?: (layout, item, e: Event) => void
// Ref for getting a reference for the grid's wrapping div.
// You can use this instead of a regular ref and the deprecated `ReactDOM.findDOMNode()`` function.
innerRef?: React.Ref<"div">
},
onResize?: () => void;
onMount?: (layout: DynamicLayout<CallbackData>) => void;
onUnmount?: () => void;
onWidgetToggle?: (widget: IDynamicWidget, visble: boolean) => Promise<boolean>;
menuName?: string
}
export interface IDynamicLayoutState<CallbackData> extends IDynamicLayoutProps<CallbackData> {
modalSettings?: IModalSettings
modalVisible?: boolean
}
class DynamicLayout<CallbackData> extends React.Component<IDynamicLayoutProps<CallbackData>, IDynamicLayoutState<CallbackData>> {
protected _handleResize: () => void;
protected _handleKeyDown: (event) => void;
protected _handleKeyUp: (event) => void;
protected _handleMouse: (event: MouseEvent) => void;
protected _menuEntryId: string;
public hotkeysEnabled = true;
public pressedKey: string = null;
public currentMousePosition: MouseEvent;
/**
* Function will be called if the Item has been rendered sucessfully.
*/
componentDidMount() {
const _this = this;
// Listening to resizing Events
function handleResize() {
if (typeof _this.state.onResize === "function") {
_this.state.onResize();
}
}
function handleKeyDown(event) {
if (!_this.hotkeysEnabled || _this.state.hotkeys?.length === 0) {
return;
}
if (_this.pressedKey !== event.code) {
_this.pressedKey = event.code;
try {
for (const hotkey of _this.state.hotkeys || []) {
if (hotkey.key === event.code) {
console.log("perform", hotkey.key);
hotkey.onPress(_this.state.generateData(), event);
break;
}
}
} catch (e) {
}
}
}
function handleKeyUp(event) {
if (!_this.hotkeysEnabled || _this.state.hotkeys?.length === 0) {
return;
}
_this.pressedKey = "";
try {
for (const hotkey of _this.state.hotkeys || []) {
if (hotkey.key === event.code && hotkey.onRelease) {
hotkey.onRelease(_this.state.generateData(), event);
break;
}
}
} catch (e) {
}
}
function handleMouse(event) {
_this.currentMousePosition = event;
}
if (typeof _this.state.onMount === "function") {
_this.state.onMount(this);
}
this._handleResize = handleResize;
this._handleKeyDown = handleKeyDown;
this._handleKeyUp = handleKeyUp;
this._handleMouse = handleMouse;
window.addEventListener("resize", this._handleResize);
window.addEventListener("keydown", this._handleKeyDown);
window.addEventListener("keyup", this._handleKeyUp);
window.addEventListener("mousemove", this._handleMouse);
this.widgets = this.props.components;
this._mounted = false;
}
/**
* Function, that will be called before the network fails.
*/
componentWillUnmount() {
window.removeEventListener("resize", this._handleResize);
window.removeEventListener("keydown", this._handleKeyDown);
window.removeEventListener("keyup", this._handleKeyUp);
window.removeEventListener("mousemove", this._handleMouse);
// Call the unmount
if (typeof this.state.onUnmount === "function") {
this.state.onUnmount();
}
this._mounted = false;
}
constructor(props) {
super(props);
this.state = Object.assign({
modalSettings: null,
modalVisible: false
}, this.props);
// Create a Menu Entry.
this._menuEntryId = generateId();
}
public openPopup(settings: IModalSettings) {
const modalSettings = settings;
const _this = this;
const _close = () => {
_this.setState({
modalVisible: false
});
};
const _originalFunction = modalSettings.onHide;
modalSettings.onHide = (...args) => {
if (typeof _originalFunction === "function") {
_originalFunction(_close);
} else {
_close();
}
};
_this.setState({
modalVisible: true,
modalSettings: modalSettings
});
// Return the Close Method.
return _close;
}
public getDialogData<T = any>(settings: IModalSettings) {
const _this = this;
let close: () => void;
return new Promise<T>((resolve, reject) => {
// Adapt the Settings:
const _onSubmit = rgetattr<(data) => Promise<void>>(settings, "content.props.onSubmit", async (data) => { });
const _onCancel = rgetattr<(err) => Promise<void>>(settings, "content.props.onCancel", async (err) => { });
const onSubmit = async (data) => {
close();
_onSubmit(data);
resolve(data);
};
const onCancel = async (data) => {
close();
_onCancel(data);
reject(data);
};
rsetattr(settings, "content.props.onSubmit", onSubmit);
rsetattr(settings, "content.props.onCancel", onCancel);
close = _this.openPopup(settings);
});
}
private _dynamicMenuEntry: IMenu<CallbackData> = null;
public get dynamicMenuEntry() {
if (this._dynamicMenuEntry === null) {
this._dynamicMenuEntry = {
type: "menu",
id: this._menuEntryId,
label: this.props.menuName || "Widgets",
items: []
};
this.toolbar.push(this._dynamicMenuEntry);
}
return this._dynamicMenuEntry;
}
public get toolbar() {
return this.state.toolbar.items;
}
protected _mounted = false;
componentDidUpdate(prevProps:IDynamicLayoutProps<CallbackData>){
if (prevProps.components != this.props.components || this._mounted){
this.widgets = this.props.components;
}
}
public get widgets(): IDynamicWidget[] {
return this.state.components;
}
public set widgets(value: IDynamicWidget[]) {
const menu = this.dynamicMenuEntry;
const _this = this;
menu.items = value.filter(item => item.hideable).map(item => {
return {
type: "action",
onClick() {
_this.toggleWidget(item, !item.visible);
},
label: (item.visible ? "Hide" : "Show") + " Widget \"" + item.label + "\"",
icon: (item.visible ? faEyeSlash : faEye)
};
});
this.setState({
components: value,
toolbar: {
items: this.toolbar
}
});
}
public async toggleWidget(widget: IDynamicWidget | string, visibility: boolean) {
let widgetToAdapt: IDynamicWidget;
const widgets = this.widgets;
if (typeof widget === "string") {
for (const _widget of widgets) {
if (_widget.id = widget) {
widgetToAdapt = _widget;
break;
}
}
} else {
widgetToAdapt = widget;
}
let adapted = false;
if (typeof this.state.onWidgetToggle === "function") {
// Call the Async Function to select a Tab.
if (await this.state.onWidgetToggle(widgetToAdapt, visibility)) {
widgetToAdapt.visible = visibility;
adapted = true;
}
} else {
// Change the visiblity.
widgetToAdapt.visible = visibility;
adapted = true;
}
if (adapted) {
// Update the State.
this.widgets = widgets;
}
}
/**
* Helper Function to render a Toast.
* @param message The Message of the Toast
* @param type The Type.
* @param timeout A Timeout in [ms], after which the Toast should disapear. 0 = infinity
*/
public showToast(message: string, type?: "info" | "warning" | "success" | "error" | "default" | "dark" | "light" | "dark", autoClose = 5000) {
if (type !== undefined && type !== null) {
toast[type](message, {
position: "top-center",
autoClose,
hideProgressBar: false,
closeOnClick: true,
pauseOnHover: true,
draggable: true,
progress: undefined,
});
} else {
toast(message, {
position: "top-center",
autoClose,
hideProgressBar: false,
closeOnClick: true,
pauseOnHover: true,
draggable: true,
progress: undefined,
});
}
}
public render() {
const _this = this;
const toolbar = (<Toolbar toolbar={this.state.toolbar} generateData={this.state.generateData} brand={{
label: "nopeBackend",
ref: "/",
type: "link",
}}></Toolbar>);
let layout = this.state.components.filter(item => item.visible).map(item => [item.gridSettings.x, item.gridSettings.y, item.gridSettings.w, item.gridSettings.h]);
layout = layout.length > 0 ? layout : undefined;
const children = this.state.components.filter(item => item.visible).map((item, idx) => {
if (item.preventRenderingCard){
return (<div
key={idx}
data-grid={item.gridSettings} style={{overflow:"auto"}}>
{
React.createElement(DynamicRenderer, { ...item })
}
</div>);
}
if (item.hideable) {
return (
<Card key={idx} data-grid={item.gridSettings} bg={item.bg} border={item.border} text={item.text}>
<FontAwesomeIcon icon={faWindowClose} style={{
position: "absolute",
top: "-5px",
left: "-5px"
}} onClick={_ => _this.toggleWidget(item, !item.visible)} />
{ item.showLabel ? <Card.Header>{item.label}</Card.Header> : ""}
<Card.Body style={{ overflow: "auto" }}>
{
React.createElement(DynamicRenderer, { ...item })
}
</Card.Body>
</Card>
);
}
return (
<Card key={idx} data-grid={item.gridSettings} bg={item.bg} border={item.border} text={item.text}>
{ item.showLabel ? <Card.Header>{item.label}</Card.Header> : ""}
<Card.Body style={{ overflow: "auto" }}>
{
React.createElement(DynamicRenderer, { ...item })
}
</Card.Body>
</Card>);
});
const ResponsiveGridLayout = WidthProvider(Responsive);
const grid = React.createElement(GridLayout,
process.browser ? {
...this.state.layoutSettings,
layout
} as any : {
... this.state.layoutSettings
} as any,
...children);
const toast = (<ToastContainer
position="top-center"
autoClose={5000}
hideProgressBar={false}
newestOnTop={false}
closeOnClick
rtl={false}
pauseOnFocusLoss
draggable
pauseOnHover
/>);
const renderedElements = [toolbar, grid, toast];
if (this.state.modalVisible && this.state.modalSettings != undefined) {
renderedElements.push((<Modal
show={this.state.modalVisible}
backdrop={typeof this.state.modalSettings.backdrop !== undefined ? this.state.modalSettings.backdrop : "static"}
keyboard={false}
size={this.state.modalSettings.size}
centered={this.state.modalSettings.centered || false}
onHide={this.state.modalSettings.onHide}
scrollable
>
{
this.state.modalSettings.header ?
<Modal.Header>
<Modal.Title>{this.state.modalSettings.header}</Modal.Title>
</Modal.Header> :
""
}
<Modal.Body>
{/* Render the dynamic Component */}
<DynamicRenderer component={this.state.modalSettings.content.component} props={this.state.modalSettings.content.props} />
</Modal.Body>
</Modal>));
}
return React.createElement("div", {}, ...renderedElements);
}
}
export default DynamicLayout;