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import React = require('react')
import { observer } from 'mobx-react';
import { observable, action } from 'mobx';
import { DocumentView } from './nodes/DocumentView';
import { Document } from "../../fields/Document"
import { CollectionFreeFormView } from './collections/CollectionFreeFormView';
import { KeyStore } from '../../fields/Key';
import { CollectionViewBase } from './collections/CollectionViewBase';
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>();
}
public getDocumentView(toFind: Document): DocumentView | null {
let toReturn: DocumentView | null;
toReturn = null;
//gets document view that is in a freeform canvas collection
DocumentManager.Instance.DocumentViews.map(view => {
let doc = view.props.Document;
// if (view.props.ContainingCollectionView instanceof CollectionFreeFormView) {
// if (Object.is(doc, toFind)) {
// toReturn = view;
// return;
// }
// }
if (Object.is(doc, toFind)) {
toReturn = view;
return;
}
})
return (toReturn);
}
public getDocumentViewFreeform(toFind: Document): DocumentView | null {
let toReturn: DocumentView | null;
toReturn = null;
//gets document view that is in a freeform canvas collection
DocumentManager.Instance.DocumentViews.map(view => {
let doc = view.props.Document;
if (view.props.ContainingCollectionView instanceof CollectionFreeFormView) {
if (Object.is(doc, toFind)) {
toReturn = view;
return;
}
}
})
return (toReturn);
}
@action
public centerNode(doc: Document | DocumentView): any {
//console.log(doc.Title)
//gets document view that is in freeform collection
let docView: DocumentView | null;
if (doc instanceof Document) {
docView = DocumentManager.Instance.getDocumentViewFreeform(doc)
}
else {
docView = doc
}
let scale: number;
let XView: number;
let YView: number;
let width: number;
let height: number;
//if the view exists in a freeform collection
if (docView && docView.MainContent.current) {
width = docView.MainContent.current.clientWidth
height = docView.MainContent.current.clientHeight
//base case: parent of parent does not exist
if (docView.props.ContainingCollectionView == null) {
scale = docView.props.ScreenToLocalTransform().Scale
let doc = docView.props.Document;
XView = (-doc.GetNumber(KeyStore.X, 0) * scale) + (window.innerWidth / 2) - (width * scale / 2)
YView = (-doc.GetNumber(KeyStore.Y, 0) * scale) + (window.innerHeight / 2) - (height * scale / 2)
//set x and y view of parent
if (docView instanceof CollectionFreeFormView) {
DocumentManager.Instance.setViewportXY(docView, XView, YView)
}
}
//parent is not main, parent is centered and calls itself
else {
if (docView.props.ContainingCollectionView.props.ContainingDocumentView && docView.props.ContainingCollectionView.props.ContainingDocumentView.MainContent.current) {
//view of parent
let tempCollectionView = docView.props.ContainingCollectionView.props.ContainingDocumentView
let doc = docView.props.Document
let parentWidth = docView.props.ContainingCollectionView.props.ContainingDocumentView.MainContent.current.clientWidth
let parentHeight = docView.props.ContainingCollectionView.props.ContainingDocumentView.MainContent.current.clientHeight
//TODO: make sure to test if the parent view is a freeform view. if not, just skip to the next level
if (docView.props.ContainingCollectionView instanceof CollectionFreeFormView) {
//scale of parent
scale = tempCollectionView.props.ScreenToLocalTransform().Scale
XView = (-doc.GetNumber(KeyStore.X, 0) * scale) + (parentWidth / 2) - (width * scale / 2);
YView = (-doc.GetNumber(KeyStore.Y, 0) * scale) + (parentHeight / 2) - (height * scale / 2);
// //node.Parent.setViewportXY(XView, YView);
DocumentManager.Instance.setViewportXY(docView.props.ContainingCollectionView, XView, YView)
return DocumentManager.Instance.centerNode(docView.props.ContainingCollectionView.props.DocumentForCollection);
}
}
else {
return DocumentManager.Instance.centerNode(docView.props.ContainingCollectionView.props.DocumentForCollection)
}
}
}
}
parentIsFreeform(node: any): boolean {
return node.props.ContainingCollectionView instanceof CollectionFreeFormView
}
@action
private setViewportXY(collection: CollectionFreeFormView, x: number, y: number) {
console.log("viewport is setting")
let doc = collection.props.DocumentForCollection;
doc.SetNumber(KeyStore.PanX, x);
doc.SetNumber(KeyStore.PanY, y);
}
}
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