55 lines
No EOL
1.5 KiB
TypeScript
55 lines
No EOL
1.5 KiB
TypeScript
/**
|
|
* Keeps track of a dictionary 'elementID' -> element
|
|
*/
|
|
import {UIEventSource} from "./UIEventSource";
|
|
|
|
export class ElementStorage {
|
|
|
|
private _elements = [];
|
|
|
|
constructor() {
|
|
|
|
}
|
|
|
|
addElementById(id: string, eventSource: UIEventSource<any>) {
|
|
this._elements[id] = eventSource;
|
|
}
|
|
|
|
addElement(element): UIEventSource<any> {
|
|
const eventSource = new UIEventSource<any>(element.properties);
|
|
this._elements[element.properties.id] = eventSource;
|
|
return eventSource;
|
|
}
|
|
|
|
addOrGetElement(element: any) : UIEventSource<any>{
|
|
const elementId = element.properties.id;
|
|
if (elementId in this._elements) {
|
|
const es = this._elements[elementId];
|
|
const keptKeys = es.data;
|
|
// The element already exists
|
|
// We add all the new keys to the old keys
|
|
for (const k in element.properties) {
|
|
const v = element.properties[k];
|
|
if (keptKeys[k] !== v) {
|
|
keptKeys[k] = v;
|
|
es.ping();
|
|
}
|
|
}
|
|
|
|
return es;
|
|
}else{
|
|
return this.addElement(element);
|
|
}
|
|
}
|
|
|
|
getEventSourceById(elementId): UIEventSource<any> {
|
|
if (elementId in this._elements) {
|
|
return this._elements[elementId];
|
|
}
|
|
console.error("Can not find eventsource with id ", elementId);
|
|
}
|
|
|
|
getEventSourceFor(feature): UIEventSource<any> {
|
|
return this.getEventSourceById(feature.properties.id);
|
|
}
|
|
} |