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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, Opt } from '../../../fields/Doc';
import { NumCast, ScriptCast, StrCast } from '../../../fields/Types';
import { emptyFunction, returnFalse, returnOne, returnZero, StopEvent } from '../../../Utils';
import { DragManager } from '../../util/DragManager';
import { DocumentView, DocumentViewProps } from '../nodes/DocumentView';
import { FormattedTextBox } from '../nodes/formattedText/FormattedTextBox';
import { StyleProp } from '../StyleProvider';
import './CollectionCarouselView.scss';
import { CollectionSubView } from './CollectionSubView';
@observer
export class CollectionCarouselView extends CollectionSubView() {
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);
}
};
advance = (e: React.MouseEvent) => {
e.stopPropagation();
this.layoutDoc._carousel_index = (NumCast(this.layoutDoc._carousel_index) + 1) % this.childLayoutPairs.length;
};
goback = (e: React.MouseEvent) => {
e.stopPropagation();
this.layoutDoc._carousel_index = (NumCast(this.layoutDoc._carousel_index) - 1 + this.childLayoutPairs.length) % this.childLayoutPairs.length;
};
captionStyleProvider = (doc: Doc | undefined, captionProps: Opt<DocumentViewProps>, property: string): any => {
// 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);
};
panelHeight = () => this.props.PanelHeight() - (StrCast(this.layoutDoc._layout_showCaption) ? 50 : 0);
onContentDoubleClick = () => ScriptCast(this.layoutDoc.onChildDoubleClick);
onContentClick = () => ScriptCast(this.layoutDoc.onChildClick);
@computed get marginX() {
return NumCast(this.layoutDoc.caption_xMargin, 50);
}
captionWidth = () => this.props.PanelWidth() - 2 * this.marginX;
@computed get content() {
const index = NumCast(this.layoutDoc._carousel_index);
const curDoc = this.childLayoutPairs?.[index];
const captionProps = { ...this.props, NativeScaling: returnOne, PanelWidth: this.captionWidth, fieldKey: 'caption', setHeight: undefined, setContentView: undefined };
const show_captions = StrCast(this.layoutDoc._layout_showCaption);
return !(curDoc?.layout instanceof Doc) ? null : (
<>
<div className="collectionCarouselView-image" key="image">
<DocumentView
{...this.props}
NativeWidth={returnZero}
NativeHeight={returnZero}
setContentView={undefined}
onDoubleClick={this.onContentDoubleClick}
onClick={this.onContentClick}
isDocumentActive={this.props.childDocumentsActive?.() ? this.props.isDocumentActive : this.props.isContentActive}
isContentActive={this.props.childContentsActive ?? this.props.isContentActive() === false ? returnFalse : emptyFunction}
hideCaptions={show_captions ? true : false}
renderDepth={this.props.renderDepth + 1}
LayoutTemplate={this.props.childLayoutTemplate}
LayoutTemplateString={this.props.childLayoutString}
Document={curDoc.layout}
DataDoc={curDoc.layout.resolvedDataDoc as Doc}
PanelHeight={this.panelHeight}
bringToFront={returnFalse}
/>
</div>
<div
className="collectionCarouselView-caption"
key="caption"
onWheel={StopEvent}
style={{
display: show_captions ? undefined : 'none',
borderRadius: this.props.styleProvider?.(this.layoutDoc, captionProps, StyleProp.BorderRounding),
marginRight: this.marginX,
marginLeft: this.marginX,
width: `calc(100% - ${this.marginX * 2}px)`,
}}>
<FormattedTextBox key={index} {...captionProps} allowScroll={true} fieldKey={show_captions} styleProvider={this.captionStyleProvider} Document={curDoc.layout} DataDoc={undefined} />
</div>
</>
);
}
@computed get buttons() {
return (
<>
<div key="back" className="carouselView-back" onClick={this.goback}>
<FontAwesomeIcon icon={'chevron-left'} size={'2x'} />
</div>
<div key="fwd" className="carouselView-fwd" onClick={this.advance}>
<FontAwesomeIcon icon={'chevron-right'} size={'2x'} />
</div>
</>
);
}
render() {
return (
<div
className="collectionCarouselView-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),
}}>
{this.content}
{this.props.Document._chromeHidden ? null : this.buttons}
</div>
);
}
}
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