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import { Field, Cast, Opt } from "./Field"
import { Key, KeyStore } from "./Key"
import { ObservableMap } from "mobx";
export class Document extends Field {
private fields: ObservableMap<Key, Field> = new ObservableMap();
GetField(key: Key, ignoreProto: boolean = false): Opt<Field> {
let field: Opt<Field>;
if (ignoreProto) {
if (this.fields.has(key)) {
field = this.fields.get(key);
}
} else {
let doc: Opt<Document> = this;
while (doc && !(doc.fields.has(key))) {
doc = doc.GetPrototype();
}
if (doc) {
field = doc.fields.get(key);
}
}
return field;
}
GetFieldT<T extends Field = Field>(key: Key, ctor: { new(): T }, ignoreProto?: boolean): Opt<T> {
return Cast(this.GetField(key, ignoreProto), ctor);
}
GetFieldValue<T, U extends { Data: T }>(key: Key, ctor: { new(): U }, defaultVal: T): T {
let val = this.GetField(key);
let vval = (val && val instanceof ctor) ? val.Data : defaultVal;
return vval;
}
SetField(key: Key, field: Opt<Field>): void {
if (field) {
this.fields.set(key, field);
} else {
this.fields.delete(key);
}
}
SetFieldValue<T extends Field>(key: Key, value: any, ctor: { new(): T }): boolean {
let field = this.GetField(key, true);
if (field != null) {
return field.TrySetValue(value);
} else {
field = new ctor();
if (field.TrySetValue(value)) {
this.SetField(key, field);
return true;
} else {
return false;
}
}
}
GetPrototype(): Opt<Document> {
return this.GetFieldT(KeyStore.Prototype, Document, true);
}
GetAllPrototypes(): Document[] {
let protos: Document[] = [];
let doc: Opt<Document> = this;
while (doc != null) {
protos.push(doc);
doc = doc.GetPrototype();
}
return protos;
}
MakeDelegate(): Document {
let delegate = new Document();
delegate.SetField(KeyStore.Prototype, this);
return delegate;
}
TrySetValue(value: any): boolean {
throw new Error("Method not implemented.");
}
GetValue() {
throw new Error("Method not implemented.");
}
Copy(): Field {
throw new Error("Method not implemented.");
}
}
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