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74 lines
2.2 KiB
74 lines
2.2 KiB
3 years ago
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import { Emit, Props } from "./";
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import { toBounds } from "../../utils";
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export function useControls(props: Props, map: T.Map, emit: Emit) {
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props.controls?.forEach((option: VT.ControlName | VT.ControlOptions) => {
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if (typeof option === "string") {
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addControlByName(option);
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} else if (typeof option === "object") {
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addControlByOption(option);
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}
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});
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function addControlByName(option: VT.ControlName) {
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const controlName = option;
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if (!T.Control[controlName]) {
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setTimeout(() => addControlByName(option));
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return;
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}
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const control = new T.Control[controlName]();
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if (controlName === "OverviewMap") {
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const c = control as T.ControlOverviewMap;
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c.addEventListener("viewchange", e => emit("viewchange", e));
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}
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map.addControl(control);
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}
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function addControlByOption(option: VT.ControlOptions) {
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const controlName = option.name;
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if (!T.Control[controlName]) {
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setTimeout(() => addControlByOption(option));
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return;
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}
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switch (controlName) {
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case "MapType":
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{
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const mapTypes = option.mapTypes?.map(item => {
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return {
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...item,
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layer: window[item.layer]
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};
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});
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const control = new T.Control.MapType(mapTypes);
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option.position && control.setPosition(option.position);
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map.addControl(control);
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}
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break;
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case "OverviewMap":
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{
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const control = new T.Control.OverviewMap(option);
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control.addEventListener("viewchange", e => emit("viewchange", e));
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map.addControl(control);
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}
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break;
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case "Copyright":
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{
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// 根据官网的示例，需要先初始化控件，再添加版权信息
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const control = new T.Control.Copyright({ position: option.position || "bottomleft" });
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map.addControl(control);
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control.addCopyright({
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...option,
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bounds: option.bounds?.length ? toBounds(option.bounds) : undefined
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});
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}
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break;
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default:
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{
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const control = new T.Control[controlName](option);
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map.addControl(control);
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}
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break;
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}
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}
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}
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