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import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { action, computed, makeObservable, observable } from 'mobx';
import { observer } from 'mobx-react';
import * as React from 'react';
import { StopEvent, returnOne, returnZero } from '../../../ClientUtils';
import { Doc, DocListCast, Opt } from '../../../fields/Doc';
import { BoolCast, DocCast, NumCast, ScriptCast, StrCast } from '../../../fields/Types';
import { DocumentType } from '../../documents/DocumentTypes';
import { Docs } from '../../documents/Documents';
import { DragManager } from '../../util/DragManager';
import { PinDocView, PinProps } from '../PinFuncs';
import { StyleProp } from '../StyleProp';
import { DocumentView } from '../nodes/DocumentView';
import { FieldViewProps } from '../nodes/FieldView';
import { FocusViewOptions } from '../nodes/FocusViewOptions';
import { FormattedTextBox } from '../nodes/formattedText/FormattedTextBox';
import './CollectionCarouselView.scss';
import { CollectionSubView, SubCollectionViewProps } from './CollectionSubView';
@observer
export class CollectionCarouselView extends CollectionSubView() {
private _dropDisposer?: DragManager.DragDropDisposer;
_fadeTimer: NodeJS.Timeout | undefined;
@observable _last_index = this.carouselIndex;
@observable _last_opacity = 1;
constructor(props: SubCollectionViewProps) {
super(props);
makeObservable(this);
}
componentDidMount(): void {
this._props.setContentViewBox?.(this);
}
componentWillUnmount() {
this._dropDisposer?.();
}
protected createDashEventsTarget = (ele: HTMLDivElement | null) => {
this._dropDisposer?.();
if (ele) {
this._dropDisposer = DragManager.MakeDropTarget(ele, this.onInternalDrop.bind(this), this.layoutDoc);
}
this.fixWheelEvents(ele, this._props.isContentActive);
};
@computed get captionMarginX(){ return NumCast(this.layoutDoc.caption_xMargin, 50); } // prettier-ignore
@computed get carouselIndex() { return NumCast(this.layoutDoc._carousel_index) % this.carouselItems.length; } // prettier-ignore
@computed get carouselItems() { return this.childLayoutPairs.filter(pair => !pair.layout.layout_isSvg); } // prettier-ignore
/**
* Move forward or backward the specified number of Docs
* @param dir signed number indicating Docs to move forward or backward
*/
move = action((dir: number) => {
this._last_index = this.carouselIndex;
this.layoutDoc._carousel_index = this.carouselItems.length ? (this.carouselIndex + dir + this.carouselItems.length) % this.carouselItems.length : 0;
});
/**
* Goes to the next Doc in the stack subject to the currently selected filter option.
*/
advance = () => this.move(1);
/**
* Goes to the previous Doc in the stack subject to the currently selected filter option.
*/
goback = () => this.move(-1);
curDoc = () => this.carouselItems[this.carouselIndex]?.layout;
focus = (anchor: Doc, options: FocusViewOptions): Opt<number> => {
const docs = DocListCast(this.Document[this.fieldKey]);
if (anchor.type === DocumentType.CONFIG || docs.includes(anchor)) {
const annoOn = DocCast(anchor.annotationOn, anchor);
const newIndex = NumCast(anchor.config_carousel_index, (annoOn && docs.getIndex(annoOn)) ?? 0);
options.didMove = newIndex !== this.layoutDoc._carousel_index;
options.didMove && (this.layoutDoc._carousel_index = newIndex);
}
return undefined;
};
getAnchor = (addAsAnnotation: boolean, pinProps?: PinProps) => {
const anchor = Docs.Create.ConfigDocument({ annotationOn: this.Document, config_carousel_index: this.carouselIndex });
PinDocView(anchor, { pinDocLayout: pinProps?.pinDocLayout, pinData: { collectionType: true, filters: true } }, this.Document);
addAsAnnotation && Doc.AddDocToList(this.dataDoc, this.fieldKey + '_annotations', anchor); // when added as an annotation, links to anchors can be found as links to the document even if the anchors are not rendered
return anchor;
};
addDocTab = this.addLinkedDocTab;
captionStyleProvider = (doc: Doc | undefined, captionProps: Opt<FieldViewProps>, property: string) => {
// first look for properties on the document in the carousel, then fallback to properties on the container
const childValue = doc?.['caption_' + property] ? this._props.styleProvider?.(doc, captionProps, property) : undefined;
return childValue ?? this._props.styleProvider?.(this.layoutDoc, captionProps, property);
};
contentPanelWidth = () => (this._props.PanelWidth() - 2 * NumCast(this.layoutDoc.xMargin)) / this.nativeScaling();
contentPanelHeight = () => (this._props.PanelHeight() - (StrCast(this.layoutDoc._layout_showCaption) ? 50 : 0) - 2 * NumCast(this.layoutDoc.yMargin)) / this.nativeScaling();
onContentDoubleClick = () => ScriptCast(this.layoutDoc.onChildDoubleClick);
onContentClick = () => ScriptCast(this.layoutDoc.onChildClick);
captionWidth = () => this._props.PanelWidth() - 2 * this.captionMarginX;
contentScreenToLocalXf = () =>
this._props
.ScreenToLocalTransform() //
.translate(-NumCast(this.layoutDoc.xMargin) / this.nativeScaling(), -NumCast(this.layoutDoc.yMargin) / this.nativeScaling());
isChildContentActive = () =>
this._props.isContentActive?.() === false
? false
: this._props.isContentActive()
? true
: this._props.childDocumentsActive?.() === false || this.Document.childDocumentsActive === false
? false
: undefined; // prettier-ignore
renderDoc = (doc: Doc, showCaptions: boolean, overlayFunc?: (r: DocumentView | null) => void) => {
return (
<DocumentView
{...this._props}
ref={overlayFunc}
Document={doc}
TemplateDataDocument={doc.isTemplateDoc || doc.isTemplateForField ? this._props.TemplateDataDocument : undefined}
NativeWidth={returnZero}
NativeHeight={returnZero}
fitWidth={this._props.childLayoutFitWidth}
hideFilterStatus={true}
showTags={BoolCast(this.layoutDoc.showChildTags)}
containerViewPath={this.childContainerViewPath}
setContentViewBox={undefined}
onDoubleClickScript={this.onContentDoubleClick}
onClickScript={this.onContentClick}
isDocumentActive={this._props.childDocumentsActive?.() ? this._props.isDocumentActive : this._props.isContentActive}
isContentActive={this.isChildContentActive}
hideCaptions={showCaptions}
renderDepth={this._props.renderDepth + 1}
LayoutTemplate={this._props.childLayoutTemplate}
LayoutTemplateString={this._props.childLayoutString}
childFilters={this.childDocFilters}
focus={this.focus}
hideDecorations={BoolCast(this.layoutDoc.layout_hideDecorations)}
addDocument={this._props.addDocument}
ScreenToLocalTransform={this.contentScreenToLocalXf}
PanelWidth={this.contentPanelWidth}
PanelHeight={this.contentPanelHeight}
screenXPadding={this.screenXPadding}
/>
);
};
/**
* Display an overlay of the previous card that crossfades to the next card
*/
@computed get overlay() {
const fadeTime = 500;
const lastDoc = this.carouselItems?.[this._last_index]?.layout;
return !lastDoc || this.carouselIndex === this._last_index ? null : (
<div className="collectionCarouselView-image" style={{ opacity: this._last_opacity, transition: `opacity ${fadeTime}ms` }}>
{this.renderDoc(
lastDoc,
false, // hide captions if the carousel is configured to show the captions
action((r: DocumentView | null) => {
if (r) {
this._fadeTimer && clearTimeout(this._fadeTimer);
this._last_opacity = 0;
this._fadeTimer = setTimeout(
action(() => {
this._last_index = -1;
this._last_opacity = 1;
}),
fadeTime
);
}
})
)}
</div>
);
}
@computed get renderedDoc() {
const carouselShowsCaptions = StrCast(this.layoutDoc._layout_showCaption);
return this.renderDoc(this.curDoc(), !!carouselShowsCaptions);
}
@computed get content() {
const captionProps = {
...this._props, //
NativeScaling: returnOne,
PanelWidth: this.captionWidth,
fieldKey: 'caption',
setHeight: undefined,
setContentView: undefined,
noSidebar: true,
};
const carouselShowsCaptions = StrCast(this.layoutDoc._layout_showCaption);
return !this.curDoc() ? null : (
<>
<div className="collectionCarouselView-image" key="image">
{this.renderedDoc}
{this.overlay}
</div>
{!carouselShowsCaptions ? null : (
<div
className="collectionCarouselView-caption"
key="caption"
onWheel={StopEvent}
style={{
borderRadius: this._props.styleProvider?.(this.layoutDoc, captionProps, StyleProp.BorderRounding) as string,
marginRight: this.captionMarginX,
marginLeft: this.captionMarginX,
width: `calc(100% - ${this.captionMarginX * 2}px)`,
}}>
<FormattedTextBox xMargin={10} yMargin={10} {...captionProps} fieldKey={carouselShowsCaptions} styleProvider={this.captionStyleProvider} Document={this.curDoc()} TemplateDataDocument={undefined} />
</div>
)}
</>
);
}
@computed get navButtons() {
return !this.curDoc() ? null : (
<>
<div key="back" className="carouselView-back" style={{ transform: `scale(${this.uiBtnScaling})` }} onClick={this.goback}>
<FontAwesomeIcon icon="chevron-left" size="2x" />
</div>
<div key="fwd" className="carouselView-fwd" style={{ transform: `scale(${this.uiBtnScaling})` }} onClick={this.advance}>
<FontAwesomeIcon icon="chevron-right" size="2x" />
</div>
</>
);
}
nativeScaling = () => this._props.NativeDimScaling?.() || 1;
docViewProps = () => ({
...this._props, //
isDocumentActive: this._props.childDocumentsActive?.() ? this._props.isDocumentActive : this._props.isContentActive,
isContentActive: this.isChildContentActive,
ScreenToLocalTransform: this.contentScreenToLocalXf,
});
answered = (correct: boolean) => (!correct || !this.curDoc() || NumCast(this.layoutDoc._carousel_index) === this.carouselItems.length - 1) && this.advance();
render() {
return (
<div>
<div
className="collectionCarouselView-outer"
ref={this.createDashEventsTarget}
style={{
background: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.BackgroundColor) as string,
color: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.Color) as string,
left: NumCast(this.layoutDoc._xMargin),
top: NumCast(this.layoutDoc._yMargin),
transform: `scale(${this.nativeScaling()})`,
width: `calc(${100 / this.nativeScaling()}% - ${(2 * NumCast(this.layoutDoc._xMargin)) / this.nativeScaling()}px)`,
height: `calc(${100 / this.nativeScaling()}% - ${(2 * NumCast(this.layoutDoc._yMargin)) / this.nativeScaling()}px)`,
}}>
{this.content}
{this.navButtons}
</div>
{this.flashCardUI(this.curDoc, this.docViewProps, this.answered)}
</div>
);
}
}
|
