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import { ComponentRender } from '../zd-component/component-render';
import { ISvgMap, ISvgMapEvents, TooltipData } from './interfaces';
/**
* Base class for SvgMap component.
*/
export class SvgMap extends ComponentRender implements ISvgMap {
public areaColor?: string = '#bdbdbd';
public areaHoverColor?: string = '#999';
public areaSelectColor?: string = 'primary';
public declare events: ISvgMapEvents;
public height: string | number = 'auto';
public multiple = false;
public width: string | number = 'auto';
public svgContent = '';
public svgContainer!: any;
public tooltipData?: TooltipData | undefined;
public loading?: boolean = false;
public keyColumn = 'id';
private mapAreas: Element[] = [];
private srcValue = '';
private selectedAreaValue: string | string[] = '';
protected viewBeforeUpdate?: () => void;
protected viewUpdate?: () => void;
constructor(props: ISvgMap) {
super(props);
this.areaColor = this.getInitValue('areaColor', props.areaColor, this.areaColor);
this.areaHoverColor = this.getInitValue('areaHoverColor', props.areaHoverColor, this.areaHoverColor);
this.areaSelectColor = this.getInitValue('areaSelectColor', props.areaSelectColor, this.areaSelectColor);
this.multiple = this.getInitValue('multiple', props.multiple, this.multiple);
this.selectedArea = this.getInitValue('selectedArea', props.selectedArea, this.selectedArea);
this.src = this.getInitValue('src', props.src, this.src);
this.height = this.getInitValue('height', props.height, this.height);
this.width = this.getInitValue('width', props.width, this.width);
this.tooltipData = this.getInitValue('tooltipData', props.tooltipData, this.tooltipData);
this.keyColumn = this.getInitValue('keyColumn', props.keyColumn, this.keyColumn);
}
get src() {
return this.srcValue;
}
set src(value: string) {
this.srcValue = value;
this.getSVG();
}
get selectedArea() {
return this.selectedAreaValue;
}
set selectedArea(value: string | string[]) {
this.selectedAreaValue = value;
this.updateSelectedArea();
}
private updateSelectedArea() {
const selectedAreas = this.multiple ? this.selectedAreaValue : [this.selectedAreaValue];
this.mapAreas.forEach((area) => {
if (selectedAreas.indexOf(area.id) > -1) {
area.classList.add('active');
} else {
area.classList.remove('active');
}
});
}
private getSVG() {
if (this.srcValue) {
this.loading = true;
Http.get(this.srcValue, { baseURL: '' }).then((response) => {
this.svgContent = response.data;
this.updateSVGContainer();
this.loading = false;
});
}
}
public setViewBeforeUpdate(beforeUpdate: () => void) {
this.viewBeforeUpdate = beforeUpdate;
}
public setViewUpdate(update: () => void) {
this.viewUpdate = update;
}
public updateSVGContainer() {
if (this.svgContainer && this.svgContent) {
if (this.svgContent.indexOf('<svg') >= 0 && this.svgContent.indexOf('</svg>') >= 0) {
if (this.viewBeforeUpdate) this.viewBeforeUpdate();
this.svgContainer.innerHTML = this.svgContent;
const svgTag = this.svgContainer.getElementsByTagName('svg')[0];
this.mapAreas = Array.from(svgTag.children);
this.updateSelectedArea();
if (this.viewUpdate) this.viewUpdate();
} else {
throw new Error('Must be a valid svg file');
}
}
}
public mapClick(element: SVGElement) {
const { id } = element;
if (!this.multiple) {
this.selectedArea = id;
} else {
this.selectedArea = this.selectedArea || [];
if (!Array.isArray(this.selectedArea)) {
this.selectedArea = [this.selectedArea];
}
const idx = this.selectedArea.indexOf(id);
if (idx > -1) {
this.selectedArea.splice(idx, 1);
} else {
this.selectedArea.push(id);
}
this.updateSelectedArea();
}
this.callEvent('areaClick', { area: element, component: this });
}
}
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