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import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { computed } from 'mobx';
import { observer } from 'mobx-react';
import * as React from 'react';
import { Doc } from '../../../fields/Doc';
import { Id } from '../../../fields/FieldSymbols';
import { NumCast, ScriptCast, StrCast } from '../../../fields/Types';
import { OmitKeys, returnFalse, Utils } from '../../../Utils';
import { DragManager } from '../../util/DragManager';
import { DocumentView } from '../nodes/DocumentView';
import { StyleProp } from '../StyleProvider';
import "./CollectionCarousel3DView.scss";
import { CollectionSubView } from './CollectionSubView';
@observer
export class CollectionCarousel3DView extends CollectionSubView() {
@computed get scrollSpeed() {
return this.layoutDoc._autoScrollSpeed ? NumCast(this.layoutDoc._autoScrollSpeed) : 1000; //default scroll speed
}
private _dropDisposer?: DragManager.DragDropDisposer;
componentWillUnmount() { this._dropDisposer?.(); }
protected createDashEventsTarget = (ele: HTMLDivElement | null) => { //used for stacking and masonry view
this._dropDisposer?.();
if (ele) {
this._dropDisposer = DragManager.MakeDropTarget(ele, this.onInternalDrop.bind(this), this.layoutDoc);
}
}
panelWidth = () => this.props.PanelWidth() / 3;
panelHeight = () => this.props.PanelHeight() * 0.6;
onChildDoubleClick = () => ScriptCast(this.layoutDoc.onChildDoubleClick);
@computed get content() {
const currentIndex = NumCast(this.layoutDoc._itemIndex);
const displayDoc = (childPair: { layout: Doc, data: Doc }) => {
return <DocumentView {...OmitKeys(this.props, ["NativeWidth", "NativeHeight", "childLayoutTemplate", "childLayoutString"]).omit}
onDoubleClick={this.onChildDoubleClick}
renderDepth={this.props.renderDepth + 1}
LayoutTemplate={this.props.childLayoutTemplate}
LayoutTemplateString={this.props.childLayoutString}
Document={childPair.layout}
DataDoc={childPair.data}
PanelWidth={this.panelWidth}
PanelHeight={this.panelHeight}
bringToFront={returnFalse}
/>;
};
return (this.childLayoutPairs.map((childPair, index) => {
return (
<div key={childPair.layout[Id]}
className={`collectionCarousel3DView-item${index === currentIndex ? "-active" : ""} ${index}`}
style={index === currentIndex ?
{ opacity: '1', transform: 'scale(1.3)', width: this.panelWidth() } :
{ opacity: '0.5', transform: 'scale(0.6)', userSelect: 'none', width: this.panelWidth() }}>
{displayDoc(childPair)}
</div>);
}));
}
changeSlide = (direction: number) => {
this.layoutDoc._itemIndex = (NumCast(this.layoutDoc._itemIndex) + direction + this.childLayoutPairs.length) % this.childLayoutPairs.length;
}
onArrowClick = (e: React.MouseEvent, direction: number) => {
e.stopPropagation();
this.changeSlide(direction);
!this.layoutDoc.autoScrollOn && (this.layoutDoc.showScrollButton = (direction === 1) ? "fwd" : "back"); // while autoscroll is on, keep the other autoscroll button hidden
!this.layoutDoc.autoScrollOn && this.fadeScrollButton(); // keep pause button visible while autoscroll is on
}
interval?: number;
startAutoScroll = (direction: number) => {
this.interval = window.setInterval(() => {
this.changeSlide(direction);
}, this.scrollSpeed);
}
stopAutoScroll = () => {
window.clearInterval(this.interval);
this.interval = undefined;
this.fadeScrollButton();
}
toggleAutoScroll = (direction: number) => {
this.layoutDoc.autoScrollOn = this.layoutDoc.autoScrollOn ? false : true;
this.layoutDoc.autoScrollOn ? this.startAutoScroll(direction) : this.stopAutoScroll();
}
fadeScrollButton = () => {
window.setTimeout(() => {
!this.layoutDoc.autoScrollOn && (this.layoutDoc.showScrollButton = "none"); //fade away after 1.5s if it's not clicked.
}, 1500);
}
@computed get buttons() {
if (!this.props.isContentActive()) return null;
return <div className="arrow-buttons" >
<div key="back" className="carousel3DView-back" style={{ background: `${StrCast(this.props.Document.backgroundColor)}` }}
onClick={(e) => this.onArrowClick(e, -1)}
>
<FontAwesomeIcon icon={"angle-left"} size={"2x"} />
</div>
<div key="fwd" className="carousel3DView-fwd" style={{ background: `${StrCast(this.props.Document.backgroundColor)}` }}
onClick={(e) => this.onArrowClick(e, 1)}
>
<FontAwesomeIcon icon={"angle-right"} size={"2x"} />
</div>
{this.autoScrollButton}
</div>;
}
@computed get autoScrollButton() {
const whichButton = this.layoutDoc.showScrollButton;
return <>
<div className={`carousel3DView-back-scroll${whichButton === "back" ? "" : "-hidden"}`} style={{ background: `${StrCast(this.props.Document.backgroundColor)}` }}
onClick={() => this.toggleAutoScroll(-1)}>
{this.layoutDoc.autoScrollOn ? <FontAwesomeIcon icon={"pause"} size={"1x"} /> : <FontAwesomeIcon icon={"angle-double-left"} size={"1x"} />}
</div>
<div className={`carousel3DView-fwd-scroll${whichButton === "fwd" ? "" : "-hidden"}`} style={{ background: `${StrCast(this.props.Document.backgroundColor)}` }}
onClick={() => this.toggleAutoScroll(1)}>
{this.layoutDoc.autoScrollOn ? <FontAwesomeIcon icon={"pause"} size={"1x"} /> : <FontAwesomeIcon icon={"angle-double-right"} size={"1x"} />}
</div>
</>;
}
@computed get dots() {
return (this.childLayoutPairs.map((_child, index) =>
<div key={Utils.GenerateGuid()} className={`dot${index === NumCast(this.layoutDoc._itemIndex) ? "-active" : ""}`}
onClick={() => this.layoutDoc._itemIndex = index} />));
}
render() {
const index = NumCast(this.layoutDoc._itemIndex);
const translateX = this.panelWidth() * (1 - index);
return <div className="collectionCarousel3DView-outer" ref={this.createDashEventsTarget}
style={{
background: this.props.styleProvider?.(this.layoutDoc, this.props, StyleProp.BackgroundColor),
color: this.props.styleProvider?.(this.layoutDoc, this.props, StyleProp.Color),
}} >
<div className="carousel-wrapper" style={{ transform: `translateX(${translateX}px)` }}>
{this.content}
</div>
{this.props.Document._chromeHidden ? (null) : this.buttons}
<div className="dot-bar">
{this.dots}
</div>
</div>;
}
}
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