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import { observable, action, runInAction, IReactionDisposer, reaction, autorun } from "mobx";
import { Doc } from "../../new_fields/Doc";
import { DocumentView } from "../views/nodes/DocumentView";
import { FormattedTextBox } from "../views/nodes/FormattedTextBox";
import { NumCast } from "../../new_fields/Types";
export namespace SelectionManager {
class Manager {
@observable IsDragging: boolean = false;
@observable SelectedDocuments: Array<DocumentView> = [];
@action
SelectDoc(docView: DocumentView, ctrlPressed: boolean): void {
// if doc is not in SelectedDocuments, add it
if (manager.SelectedDocuments.indexOf(docView) === -1) {
if (!ctrlPressed) {
this.DeselectAll();
}
manager.SelectedDocuments.push(docView);
// console.log(manager.SelectedDocuments);
docView.props.whenActiveChanged(true);
}
}
@action
DeselectDoc(docView: DocumentView): void {
let ind = manager.SelectedDocuments.indexOf(docView);
if (ind !== -1) {
manager.SelectedDocuments.splice(ind, 1);
docView.props.whenActiveChanged(false);
}
}
@action
DeselectAll(): void {
manager.SelectedDocuments.map(dv => dv.props.whenActiveChanged(false));
manager.SelectedDocuments = [];
FormattedTextBox.InputBoxOverlay = undefined;
}
}
const manager = new Manager();
export function DeselectDoc(docView: DocumentView): void {
manager.DeselectDoc(docView);
}
export function SelectDoc(docView: DocumentView, ctrlPressed: boolean): void {
manager.SelectDoc(docView, ctrlPressed);
}
export function IsSelected(doc: DocumentView): boolean {
return manager.SelectedDocuments.indexOf(doc) !== -1;
}
export function DeselectAll(except?: Doc): void {
let found: DocumentView | undefined = undefined;
if (except) {
for (const view of manager.SelectedDocuments) {
if (view.props.Document === except) found = view;
}
}
manager.DeselectAll();
if (found) manager.SelectDoc(found, false);
}
export function SetIsDragging(dragging: boolean) { runInAction(() => manager.IsDragging = dragging); }
export function GetIsDragging() { return manager.IsDragging; }
export function SelectedDocuments(): Array<DocumentView> {
return manager.SelectedDocuments.slice();
}
export function ViewsSortedHorizontally(): DocumentView[] {
let sorted = SelectionManager.SelectedDocuments().slice().sort((doc1, doc2) => {
if (NumCast(doc1.props.Document.x) > NumCast(doc2.props.Document.x)) return 1;
if (NumCast(doc1.props.Document.x) < NumCast(doc2.props.Document.x)) return -1;
return 0;
});
return sorted;
}
export function ViewsSortedVertically(): DocumentView[] {
let sorted = SelectionManager.SelectedDocuments().slice().sort((doc1, doc2) => {
if (NumCast(doc1.props.Document.y) > NumCast(doc2.props.Document.y)) return 1;
if (NumCast(doc1.props.Document.y) < NumCast(doc2.props.Document.y)) return -1;
return 0;
});
return sorted;
}
}
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