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import { observer } from "mobx-react";
import React = require("react");
import { action } from "mobx";
import "./PresentationView.scss";
import { Utils } from "../../../Utils";
import { Doc, DocListCast, DocListCastAsync } from "../../../new_fields/Doc";
import { NumCast, StrCast } from "../../../new_fields/Types";
import { Id } from "../../../new_fields/FieldSymbols";
import PresentationElement, { buttonIndex } from "./PresentationElement";
interface PresListProps {
mainDocument: Doc;
deleteDocument(index: number): void;
gotoDocument(index: number, fromDoc: number): Promise<void>;
groupMappings: Map<String, Doc[]>;
presElementsMappings: Map<Doc, PresentationElement>;
setChildrenDocs: (docList: Doc[]) => void;
presStatus: boolean;
presButtonBackUp: Doc;
presGroupBackUp: Doc;
}
@observer
/**
* Component that takes in a document prop and a boolean whether it's collapsed or not.
*/
export default class PresentationViewList extends React.Component<PresListProps> {
/**
* Method that initializes presentation ids for the
* docs that is in the presentation, when presentation list
* gets re-rendered. It makes sure to not assign ids to the
* docs that are in the group, so that mapping won't be disrupted.
*/
@action
initializeGroupIds = async (docList: Doc[]) => {
docList.forEach(async (doc: Doc, index: number) => {
let docGuid = StrCast(doc.presentId, null);
//checking if part of group
let storedGuids: string[] = [];
let castedGroupDocs = await DocListCastAsync(this.props.presGroupBackUp.groupDocs);
//making sure the docs that were in groups, which were stored, to not get new guids.
if (castedGroupDocs !== undefined) {
castedGroupDocs.forEach((doc: Doc) => {
let storedGuid = StrCast(doc.presentIdStore, null);
if (storedGuid) {
storedGuids.push(storedGuid);
}
});
}
if (!this.props.groupMappings.has(docGuid) && !storedGuids.includes(docGuid)) {
doc.presentId = Utils.GenerateGuid();
}
});
}
/**
* Initially every document starts with a viewScale 1, which means
* that they will be displayed in a canvas with scale 1.
*/
@action
initializeScaleViews = (docList: Doc[]) => {
docList.forEach((doc: Doc) => {
let curScale = NumCast(doc.viewScale, null);
if (curScale === undefined) {
doc.viewScale = 1;
}
});
}
render() {
const children = DocListCast(this.props.mainDocument.data);
this.initializeGroupIds(children);
this.initializeScaleViews(children);
this.props.setChildrenDocs(children);
return (
<div className="presentationView-listCont">
{children.map((doc: Doc, index: number) =>
<PresentationElement
ref={(e) => { if (e) { this.props.presElementsMappings.set(doc, e); } }}
key={doc[Id]}
mainDocument={this.props.mainDocument}
document={doc}
index={index}
deleteDocument={this.props.deleteDocument}
gotoDocument={this.props.gotoDocument}
groupMappings={this.props.groupMappings}
allListElements={children}
presStatus={this.props.presStatus}
presButtonBackUp={this.props.presButtonBackUp}
presGroupBackUp={this.props.presGroupBackUp}
/>
)}
</div>
);
}
}
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