File size: 1,447 Bytes
71174bc | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | import { ViewerParent } from "@/UI/Panels/Viewer/Viewers/ViewerParent";
let viewerObj: ViewerParent | undefined;
let viewerPromise: Promise<ViewerParent> | undefined = undefined;
export const visualizationApi = {
/**
* Gets the molecular viewer. In some contexts (when setting the viewer up)
* it's better to just return undefined if it doens't exist.
*
* @returns {ViewerParent | undefined} The molecular viewer, or undefined.
*/
get viewerObj(): ViewerParent | undefined {
return viewerObj;
},
/**
* Sets the molecular viewer.
*
* @param {ViewerParent} v The molecular viewer.
*/
set viewerObj(v: ViewerParent | undefined) {
viewerObj = v;
},
/**
* Gets a prommise that resolves the molecular viewer. The primary way to
* get access to the viewer.
*
* @returns {Promise<ViewerParent>} A promise that resolves the molecular
* viewer when/if it is available.
*/
get viewer(): Promise<ViewerParent> {
if (viewerPromise === undefined) {
viewerPromise = new Promise((resolve) => {
const interval = setInterval(() => {
if (viewerObj !== undefined) {
resolve(viewerObj);
clearInterval(interval);
}
}, 500);
});
}
return viewerPromise;
},
};
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