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/** * Copyright (c) 2017 ~ present NAVER Corp. * billboard.js project is licensed under the MIT license */import {select as d3Select} from "d3-selection";import {drag as d3Drag} from "d3-drag";import {$ARC, $AXIS, $COMMON, $SHAPE} from "../../config/classes";import {KEY} from "../../module/Cache";import {emulateEvent, getPointer, isNumber, isObject} from "../../module/util";
export default {	selectRectForSingle(context, eventRect, index: number): void {		const $$ = this;		const {config, $el: {main}} = $$;		const isSelectionEnabled = config.data_selection_enabled;		const isSelectionGrouped = config.data_selection_grouped;		const isSelectable = config.data_selection_isselectable;		const isTooltipGrouped = config.tooltip_grouped;		const selectedData = $$.getAllValuesOnIndex(index);
		if (isTooltipGrouped) {			$$.showTooltip(selectedData, context);			$$.showGridFocus?.(selectedData);
			if (!isSelectionEnabled || isSelectionGrouped) {				return;			}		}
		main.selectAll(`.${$SHAPE.shape}-${index}`)			.each(function() {				d3Select(this).classed($COMMON.EXPANDED, true);
				if (isSelectionEnabled) {					eventRect.style("cursor", isSelectionGrouped ? "pointer" : null);				}
				if (!isTooltipGrouped) {					$$.hideGridFocus?.();					$$.hideTooltip();
					!isSelectionGrouped && $$.setExpand(index);				}			})			.filter(function(d) {				return $$.isWithinShape(this, d);			})			.call(selected => {				const d = selected.data();
				if (isSelectionEnabled &&					(isSelectionGrouped || isSelectable?.bind($$.api)(d))				) {					eventRect.style("cursor", "pointer");				}
				if (!isTooltipGrouped) {					$$.showTooltip(d, context);					$$.showGridFocus?.(d);					$$.unexpandCircles?.();
					selected.each(d => $$.setExpand(index, d.id));				}			});	},
	/**	 * Expand data shape/point	 * @param {number} index Index number	 * @param {string} id Data id	 * @param {boolean} reset Reset expand state	 * @private	 */	setExpand(index: number, id?: string, reset?: boolean): void {		const $$ = this;		const {config, $el: {circle}} = $$;
		circle && config.point_focus_expand_enabled &&			$$.expandCircles(index, id, reset);
		// bar, candlestick		$$.expandBarTypeShapes(true, index, id, reset);	},
	/**	 * Expand/Unexpand bar type shapes	 * @param {boolean} expand Expand or unexpand	 * @param {number} i Shape index	 * @param {string} id Data id	 * @param {boolean} reset Reset expand style	 * @private	 */	expandBarTypeShapes(expand = true, i?: number, id?: string, reset?: boolean): void {		const $$ = this;
		["bar", "candlestick"]			.filter(v => $$.$el[v])			.forEach(v => {				reset && $$.$el[v].classed($COMMON.EXPANDED, false);				$$.getShapeByIndex(v, i, id).classed($COMMON.EXPANDED, expand);			});	},
	/**	 * Handle data.onover/out callback options	 * @param {boolean} isOver Over or not	 * @param {number|object} d data object	 * @private	 */	setOverOut(isOver: boolean, d): void {		const $$ = this;		const {config, state: {hasRadar}, $el: {main}} = $$;		const isArc = isObject(d);
		// Call event handler		if (isArc || d !== -1) {			let callback = config[isOver ? "data_onover" : "data_onout"].bind($$.api);
			config.color_onover && $$.setOverColor(isOver, d, isArc);
			if (isArc) {				callback(d, main.select(`.${$ARC.arc}${$$.getTargetSelectorSuffix(d.id)}`).node());			} else if (!config.tooltip_grouped) {				let last = $$.cache.get(KEY.setOverOut) || [];
				const shape = main.selectAll(`.${$SHAPE.shape}-${d}`)					.filter(function(d) {						return $$.isWithinShape(this, d);					});
				shape					.each(function(d) {						if (last.length === 0 || last.every(v => v !== this)) {							callback(d, this);							last.push(this);						}					});
				if (last.length > 0 && shape.empty()) {					callback = config.data_onout.bind($$.api);
					last.forEach(v => callback(d3Select(v).datum(), v));					last = [];				}
				$$.cache.add(KEY.setOverOut, last);			} else {				if (isOver) {					config.point_focus_only && hasRadar ?						$$.showCircleFocus($$.getAllValuesOnIndex(d, true)) :						$$.setExpand(d, null, true);				}
				!$$.isMultipleX() && main.selectAll(`.${$SHAPE.shape}-${d}`)					.each(function(d) {						callback(d, this);					});			}		}	},
	/**	 * Call data.onover/out callback for touch event	 * @param {number|object} d target index or data object for Arc type	 * @private	 */	callOverOutForTouch(d): void {		const $$ = this;		const last = $$.cache.get(KEY.callOverOutForTouch);
		if (isObject(d) && last ? d.id !== last.id : (d !== last)) {			(last || isNumber(last)) && $$.setOverOut(false, last);			(d || isNumber(d)) && $$.setOverOut(true, d);
			$$.cache.add(KEY.callOverOutForTouch, d);		}	},
	/**	 * Return draggable selection function	 * @returns {Function}	 * @private	 */	getDraggableSelection(): Function {		const $$ = this;		const {config, state} = $$;
		return config.interaction_enabled && config.data_selection_draggable && $$.drag ?			d3Drag()				.on("drag", function(event) {					state.event = event;					$$.drag(getPointer(event, this));				})				.on("start", function(event) {					state.event = event;					$$.dragstart(getPointer(event, this));				})				.on("end", event => {					state.event = event;					$$.dragend();				}) : () => {};	},
	/**	 * Dispatch a mouse event.	 * @private	 * @param {string} type event type	 * @param {number} index Index of eventRect	 * @param {Array} mouse x and y coordinate value	 */	dispatchEvent(type: string, index: number, mouse): void {		const $$ = this;		const {config, state: {eventReceiver, hasAxis, hasRadar}, $el: {eventRect, arcs, radar}} = $$;		const isMultipleX = $$.isMultipleX();		const element = (			hasRadar ? radar.axes.select(`.${$AXIS.axis}-${index} text`) : (				eventRect || arcs.selectAll(`.${$COMMON.target} path`).filter((d, i) => i === index)			)		).node();
		let {width, left, top} = element.getBoundingClientRect();
		if (hasAxis && !hasRadar && !isMultipleX) {			const coords = eventReceiver.coords[index];
			width = coords.w;			left += coords.x;			top += coords.y;		}
		const x = left + (mouse ? mouse[0] : 0) + (			isMultipleX || config.axis_rotated ? 0 : (width / 2)		);		const y = top + (mouse ? mouse[1] : 0);		const params = {			screenX: x,			screenY: y,			clientX: x,			clientY: y		};
		emulateEvent[/^(mouse|click)/.test(type) ? "mouse" : "touch"](element, type, params);	},
	setDragStatus(isDragging: boolean): void {		this.state.dragging = isDragging;	},
	/**	 * Unbind zoom events	 * @private	 */	unbindZoomEvent(): void {		const $$ = this;		const {$el: {eventRect, zoomResetBtn}} = $$;
		eventRect?.on(".zoom wheel.zoom .drag", null);
		zoomResetBtn?.on("click", null)			.style("display", "none");	},
	/**	 * Unbind all attached events	 * @private	 */	unbindAllEvents():	void {		const $$ = this;		const {$el: {arcs, eventRect, legend, region, svg}, brush} = $$;		const list = [			"wheel",			"click",			"mouseover",			"mousemove",			"mouseout",			"touchstart",			"touchmove",			"touchend",			"touchstart.eventRect",			"touchmove.eventRect",			"touchend.eventRect",			".brush",			".drag",			".zoom",			"wheel.zoom",			"dblclick.zoom"		].join(" ");
		// detach all possible event types		[svg, eventRect, region?.list, brush?.getSelection(), arcs?.selectAll("path"), legend?.selectAll("g")]			.forEach(v => v?.on(list, null));
		$$.unbindZoomEvent?.();	}};