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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, $TREEMAP} from "../../config/classes";import {KEY} from "../../module/Cache";import {emulateEvent, getPointer, isNumber, isObject} from "../../module/util";import type {IArcDataRow} from "../data/IData";
export default {	selectRectForSingle(context, eventRect, index: number): void {		const $$ = this;		const {config, $el: {main, circle}} = $$;		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);			$$.showGridFocus?.(selectedData);
			if (!isSelectionEnabled || isSelectionGrouped) {				return;			}		}
		// remove possible previous focused state		!circle && main.selectAll(`.${$COMMON.EXPANDED}:not(.${$SHAPE.shape}-${index})`).classed($COMMON.EXPANDED, false);
		const shapeAtIndex = main.selectAll(`.${$SHAPE.shape}-${index}`)			.classed($COMMON.EXPANDED, true)			.style("cursor", isSelectable ? "pointer" : null)			.filter(function(d) {				return $$.isWithinShape(this, d);			});
		if (shapeAtIndex.empty() && !isTooltipGrouped) {			$$.hideGridFocus?.();			$$.hideTooltip();
			!isSelectionGrouped && $$.setExpand(index);		}
		shapeAtIndex			.call(selected => {				const d = selected.data();
				if (isSelectionEnabled &&					(isSelectionGrouped || isSelectable?.bind($$.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: number | IArcDataRow): void {		const $$ = this;		const {config, state: {hasRadar, hasTreemap}, $el: {main}} = $$;		const isArcTreemap = isObject(d);
		// Call event handler		if (isArcTreemap || d !== -1) {			const callback = config[isOver ? "data_onover" : "data_onout"].bind($$.api);
			config.color_onover && $$.setOverColor(isOver, d, isArcTreemap);
			if (isArcTreemap && "id") {				const selector = hasTreemap ? $TREEMAP.treemap : $ARC.arc;
				callback(d, main.select(`.${selector}${$$.getTargetSelectorSuffix((d as IArcDataRow).id)}`).node());			} else if (!config.tooltip_grouped) {				const last = $$.cache.get(KEY.setOverOut) || [];
				// select based on the index				const shapesAtIndex = main.selectAll(`.${$SHAPE.shape}-${d}`)					.filter(function(d) {						return $$.isWithinShape(this, d);					});
				// filter if has new selection				const shape = shapesAtIndex.filter(function() {					return last.every(v => v !== this);				});
				// call onout callback				if (!isOver || shapesAtIndex.empty() || (					last.length === shape.size() && shape.nodes().every(((v, i) => v !== last[i]))				)) {					while (last.length) {						const target = last.pop();
						config.data_onout.bind($$.api)(d3Select(target).datum(), target);					}				}
				// call onover callback				shape.each(function() {					if (isOver) {						callback(d3Select(this).datum(), this);						last.push(this);					}				});
				$$.cache.add(KEY.setOverOut, last);			} else {				if (isOver) {					config.point_focus_only && hasRadar ?						$$.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 $$ = this;		const {config, state: {			eventReceiver, hasAxis, hasRadar, hasTreemap		}, $el: {eventRect, arcs, radar, treemap}} = $$;		const element = (			(hasTreemap && eventReceiver.rect) ||			(hasRadar && radar.axes.select(`.${$AXIS.axis}-${index} text`)) || (				eventRect || arcs?.selectAll(`.${$COMMON.target} path`).filter((d, i) => i === index)			)		)?.node();
		if (element) {			const isMultipleX = $$.isMultipleX();			let {width, left, top} = element.getBoundingClientRect();
			if (hasAxis && !hasRadar && !isMultipleX) {				const coords = eventReceiver.coords[index];
				width = coords.w;				left += coords.x;				top += coords.y;			}
			const x = left + (mouse ? mouse[0] : 0) + (				isMultipleX || config.axis_rotated ? 0 : (width / 2)			);			const y = top + (mouse ? mouse[1] : 0);			const params = {				screenX: x,				screenY: y,				clientX: x,				clientY: y			};
			emulateEvent[/^(mouse|click)/.test(type) ? "mouse" : "touch"](				hasTreemap ? treemap.node() : element,				type, params);		}	},
	setDragStatus(isDragging: boolean): void {		this.state.dragging = isDragging;	},
	/**	 * Unbind zoom events	 * @private	 */	unbindZoomEvent(): void {		const $$ = 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, treemap}, brush} = $$;		const list = [			"wheel",			"click",			"mouseover",			"mousemove",			"mouseout",			"touchstart",			"touchmove",			"touchend",			"touchstart.eventRect",			"touchmove.eventRect",			"touchend.eventRect",			".brush",			".drag",			".zoom",			"wheel.zoom",			"dblclick.zoom"		].join(" ");
		// detach all possible event types		[svg, eventRect, region?.list, brush?.getSelection(), arcs?.selectAll("path"), legend?.selectAll("g"), treemap]			.forEach(v => v?.on(list, null));
		$$.unbindZoomEvent?.();	}};