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import { action, computed, observable } from 'mobx';
import { Doc } from '../../new_fields/Doc';
import { Id } from '../../new_fields/FieldSymbols';
import { Cast, NumCast } from '../../new_fields/Types';
import { CollectionDockingView } from '../views/collections/CollectionDockingView';
import { CollectionPDFView } from '../views/collections/CollectionPDFView';
import { CollectionVideoView } from '../views/collections/CollectionVideoView';
import { CollectionView } from '../views/collections/CollectionView';
import { DocumentView } from '../views/nodes/DocumentView';
import { LinkManager } from './LinkManager';
import { undoBatch, UndoManager } from './UndoManager';
export class DocumentManager {
//global holds all of the nodes (regardless of which collection they're in)
@observable
public DocumentViews: DocumentView[] = [];
// singleton instance
private static _instance: DocumentManager;
// create one and only one instance of NodeManager
public static get Instance(): DocumentManager {
return this._instance || (this._instance = new this());
}
//private constructor so no other class can create a nodemanager
private constructor() {
// this.DocumentViews = new Array<DocumentView>();
}
//gets all views
public getDocumentViewsById(id: string) {
let toReturn: DocumentView[] = [];
DocumentManager.Instance.DocumentViews.map(view => {
if (view.props.Document[Id] === id) {
toReturn.push(view);
}
});
if (toReturn.length === 0) {
DocumentManager.Instance.DocumentViews.map(view => {
let doc = view.props.Document.proto;
if (doc && doc[Id]) {
if (doc[Id] === id) { toReturn.push(view); }
}
});
}
return toReturn;
}
public getAllDocumentViews(doc: Doc) {
return this.getDocumentViewsById(doc[Id]);
}
public getDocumentViewById(id: string, preferredCollection?: CollectionView | CollectionPDFView | CollectionVideoView): DocumentView | null {
let toReturn: DocumentView | null = null;
let passes = preferredCollection ? [preferredCollection, undefined] : [undefined];
for (let pass of passes) {
DocumentManager.Instance.DocumentViews.map(view => {
if (view.props.Document[Id] === id && (!pass || view.props.ContainingCollectionView === preferredCollection)) {
toReturn = view;
return;
}
});
if (!toReturn) {
DocumentManager.Instance.DocumentViews.map(view => {
let doc = view.props.Document.proto;
if (doc && doc[Id] === id && (!pass || view.props.ContainingCollectionView === preferredCollection)) {
toReturn = view;
}
});
}
}
return toReturn;
}
public getDocumentView(toFind: Doc, preferredCollection?: CollectionView | CollectionPDFView | CollectionVideoView): DocumentView | null {
return this.getDocumentViewById(toFind[Id], preferredCollection);
}
public getDocumentViews(toFind: Doc): DocumentView[] {
let toReturn: DocumentView[] = [];
//gets document view that is in a freeform canvas collection
DocumentManager.Instance.DocumentViews.map(view => {
let doc = view.props.Document;
if (doc === toFind) {
toReturn.push(view);
} else {
if (Doc.AreProtosEqual(doc, toFind)) {
toReturn.push(view);
}
}
});
return toReturn;
}
@computed
public get LinkedDocumentViews() {
let pairs = DocumentManager.Instance.DocumentViews.filter(dv => dv.isSelected() || Doc.IsBrushed(dv.props.Document)).reduce((pairs, dv) => {
let linksList = LinkManager.Instance.getAllRelatedLinks(dv.props.Document);
pairs.push(...linksList.reduce((pairs, link) => {
if (link) {
let linkToDoc = LinkManager.Instance.getOppositeAnchor(link, dv.props.Document);
if (linkToDoc) {
DocumentManager.Instance.getDocumentViews(linkToDoc).map(docView1 => {
pairs.push({ a: dv, b: docView1, l: link });
});
}
}
return pairs;
}, [] as { a: DocumentView, b: DocumentView, l: Doc }[]));
// }
return pairs;
}, [] as { a: DocumentView, b: DocumentView, l: Doc }[]);
return pairs;
}
@undoBatch
public jumpToDocument = async (docDelegate: Doc, willZoom: boolean, forceDockFunc: boolean = false, dockFunc?: (doc: Doc) => void, linkPage?: number, docContext?: Doc): Promise<void> => {
let doc = Doc.GetProto(docDelegate);
const contextDoc = await Cast(doc.annotationOn, Doc);
if (contextDoc) {
const page = NumCast(doc.page, linkPage || 0);
const curPage = NumCast(contextDoc.curPage, page);
if (page !== curPage) contextDoc.curPage = page;
}
let docView: DocumentView | null;
// using forceDockFunc as a flag for splitting linked to doc to the right...can change later if needed
if (!forceDockFunc && (docView = DocumentManager.Instance.getDocumentView(doc))) {
Doc.BrushDoc(docView.props.Document);
if (linkPage !== undefined) docView.props.Document.curPage = linkPage;
UndoManager.RunInBatch(() => {
docView!.props.focus(docView!.props.Document, willZoom);
}, "focus");
} else {
if (!contextDoc) {
if (docContext) {
let targetContextView: DocumentView | null;
if (!forceDockFunc && docContext && (targetContextView = DocumentManager.Instance.getDocumentView(docContext))) {
docContext.panTransformType = "Ease";
targetContextView.props.focus(docDelegate, willZoom);
} else {
(dockFunc || CollectionDockingView.Instance.AddRightSplit)(docContext, undefined);
setTimeout(() => {
this.jumpToDocument(docDelegate, willZoom, forceDockFunc, dockFunc, linkPage);
}, 10);
}
} else {
const actualDoc = Doc.MakeAlias(docDelegate);
Doc.BrushDoc(actualDoc);
if (linkPage !== undefined) actualDoc.curPage = linkPage;
(dockFunc || CollectionDockingView.Instance.AddRightSplit)(actualDoc, undefined);
}
} else {
let contextView: DocumentView | null;
Doc.BrushDoc(docDelegate);
if (!forceDockFunc && (contextView = DocumentManager.Instance.getDocumentView(contextDoc))) {
contextDoc.panTransformType = "Ease";
contextView.props.focus(docDelegate, willZoom);
} else {
(dockFunc || CollectionDockingView.Instance.AddRightSplit)(contextDoc, undefined);
setTimeout(() => {
this.jumpToDocument(docDelegate, willZoom, forceDockFunc, dockFunc, linkPage);
}, 10);
}
}
}
}
@action
zoomIntoScale = (docDelegate: Doc, scale: number) => {
let doc = Doc.GetProto(docDelegate);
let docView: DocumentView | null;
docView = DocumentManager.Instance.getDocumentView(doc);
if (docView) {
docView.props.zoomToScale(scale);
}
}
getScaleOfDocView = (docDelegate: Doc) => {
let doc = Doc.GetProto(docDelegate);
let docView: DocumentView | null;
docView = DocumentManager.Instance.getDocumentView(doc);
if (docView) {
return docView.props.getScale();
} else {
return 1;
}
}
}
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