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import { Field, Cast, Opt, Waiting, WAITING } from "./Field"
import { Key, KeyStore } from "./Key"
import { NumberField } from "./NumberField";
import { ObservableMap, computed, action, observable } from "mobx";
import { TextField } from "./TextField";
import { ListField } from "./ListField";
export class Document extends Field {
private fields: ObservableMap<Key, Opt<Field>> = new ObservableMap();
private _sfields: ObservableMap<Key, Field> = new ObservableMap();
static _untitledDocName = "<untitled>";
@computed
public get Title() { return this.GetFieldValue(KeyStore.Title, TextField, Document._untitledDocName); }
@action
DeferredSetField(key: Key) {
var sfield = this._sfields.get(key);
if (sfield != undefined)
this.fields.set(key, sfield);
}
@observable
GetField(key: Key, ignoreProto: boolean = false): Opt<Field> {
if (KeyStore.X == key) {
console.log("");
}
let field: Opt<Field>;
if (ignoreProto) {
if (this.fields.has(key)) {
if (KeyStore.X == key) {
console.log("");
}
field = this.fields.get(key);
} else {
field = WAITING;
var me = this;
setTimeout(function () {
me.DeferredSetField(key);
}, 100)
}
} else {
let doc: Opt<Document> = this;
while (doc && doc != WAITING) {
if (!(doc.fields.has(key))) {
var me = this;
setTimeout(function () {
me.DeferredSetField(key);
}, 1000)
doc = doc.GetPrototype();
} else
break;
}
if (doc && doc != WAITING) {
if (KeyStore.X == key) {
console.log("");
}
field = doc.fields.get(key);
}
}
return field;
}
@observable
GetFieldT<T extends Field = Field>(key: Key, ctor: { new(...args: any[]): T }, ignoreProto: boolean = false): Opt<T> {
var getfield = this.GetField(key, ignoreProto);
if (getfield != WAITING) {
return Cast(this.GetField(key, ignoreProto), ctor);
}
return WAITING;
}
@observable
GetFieldOrCreate<T extends Field>(key: Key, ctor: { new(): T }, ignoreProto: boolean = false): T {
const field = this.GetFieldT(key, ctor, ignoreProto);
if (field && field != WAITING) {
return field;
}
const newField = new ctor();
this.SetField(key, newField);
return newField;
}
@observable
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;
}
@observable
GetNumberField(key: Key, defaultVal: number): number {
return this.GetFieldValue(key, NumberField, defaultVal);
}
@observable
GetTextField(key: Key, defaultVal: string): string {
return this.GetFieldValue(key, TextField, defaultVal);
}
@observable
GetListField<T extends Field>(key: Key, defaultVal: T[]): T[] {
return this.GetFieldValue<T[], ListField<T>>(key, ListField, defaultVal)
}
SetField(key: Key, field: Field | undefined): void {
if (field) {
if (KeyStore.X == key) {
console.log("");
}
this.fields.set(key, field);
} else {
this.fields.delete(key);
}
}
SetFieldValue<T extends Field>(key: Key, value: any, ctor: { new(): T }): boolean {
if (KeyStore.X == key) {
console.log("");
}
let field = new ctor();
if (field.TrySetValue(value)) {
this._sfields.set(key, field);
return true;
} else {
return false;
}
// let field = this.GetField(key, true);
// if (field == WAITING)
// return 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 && doc != WAITING) {
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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