1 files changed, 99 insertions, 0 deletions
diff --git a/src/client/util/DocumentManager.ts b/src/client/util/DocumentManager.ts
new file mode 100644
index 000000000..bf59fbb43
--- /dev/null
+++ b/src/client/util/DocumentManager.ts
@@ -0,0 +1,99 @@
+import React = require('react')
+import { observer } from 'mobx-react';
+import { observable, action, computed } from 'mobx';
+import { Document } from "../../fields/Document"
+import { DocumentView } from '../views/nodes/DocumentView';
+import { KeyStore } from '../../fields/KeyStore';
+import { FieldWaiting } from '../../fields/Field';
+import { ListField } from '../../fields/ListField';
+
+
+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 getAllDocumentViews(collection: Document) {
+        return this.DocumentViews.filter(dv =>
+            dv.props.ContainingCollectionView && dv.props.ContainingCollectionView.props.Document == collection);
+    }
+
+    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;
+            }
+            let docSrc = doc.GetT(KeyStore.Prototype, Document);
+            if (docSrc && docSrc != FieldWaiting && Object.is(docSrc, toFind)) {
+                toReturn = view;
+            }
+        })
+
+        return (toReturn);
+    }
+    public getDocumentViews(toFind: Document): 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 (view.props.ContainingCollectionView instanceof CollectionFreeFormView) {
+
+            if (Object.is(doc, toFind)) {
+                toReturn.push(view);
+            } else {
+                let docSrc = doc.GetT(KeyStore.Prototype, Document);
+                if (docSrc && docSrc != FieldWaiting && Object.is(docSrc, toFind)) {
+                    toReturn.push(view);
+                }
+            }
+        })
+
+        return (toReturn);
+    }
+
+    @computed
+    public get LinkedDocumentViews() {
+        return DocumentManager.Instance.DocumentViews.reduce((pairs, dv) => {
+            let linksList = dv.props.Document.GetT(KeyStore.LinkedToDocs, ListField);
+            if (linksList && linksList != FieldWaiting && linksList.Data.length) {
+                pairs.push(...linksList.Data.reduce((pairs, link) => {
+                    if (link instanceof Document) {
+                        let linkToDoc = link.GetT(KeyStore.LinkedToDocs, Document);
+                        if (linkToDoc && linkToDoc != FieldWaiting) {
+                            DocumentManager.Instance.getDocumentViews(linkToDoc).map(docView1 => {
+                                pairs.push({ a: dv, b: docView1, l: link })
+                            })
+                        }
+                    }
+                    return pairs;
+                }, [] as { a: DocumentView, b: DocumentView, l: Document }[]));
+            }
+            return pairs;
+        }, [] as { a: DocumentView, b: DocumentView, l: Document }[]);
+    }
+}
+\ No newline at end of file