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import { action, observable } from "mobx";
import { observer } from "mobx-react";
import { Doc, DocListCast } from "../../new_fields/Doc";
import { Id } from "../../new_fields/FieldSymbols";
import { List } from "../../new_fields/List";
import { listSpec } from "../../new_fields/Schema";
import { BoolCast, Cast, FieldValue, NumCast, StrCast } from "../../new_fields/Types";
import { DocumentManager } from "../util/DocumentManager";
import "./PresentationView.scss";
import React = require("react");
export interface PresViewProps {
Document: Doc;
}
interface PresListProps extends PresViewProps {
deleteDocument(index: number): void;
gotoDocument(index: number): void;
}
@observer
/**
* Component that takes in a document prop and a boolean whether it's collapsed or not.
*/
class PresentationViewList extends React.Component<PresListProps> {
/**
* Renders a single child document. It will just append a list element.
* @param document The document to render.
*/
renderChild = (document: Doc, index: number) => {
let title = document.title;
//to get currently selected presentation doc
let selected = NumCast(this.props.Document.selectedDoc, 0);
let className = "presentationView-item";
if (selected === index) {
//this doc is selected
className += " presentationView-selected";
}
let onEnter = (e: React.PointerEvent) => { document.libraryBrush = true; }
let onLeave = (e: React.PointerEvent) => { document.libraryBrush = false; }
return (
<div className={className} key={document[Id] + index}
onPointerEnter={onEnter} onPointerLeave={onLeave}
style={{
outlineColor: "maroon",
outlineStyle: "dashed",
outlineWidth: BoolCast(document.libraryBrush, false) || BoolCast(document.protoBrush, false) ? `1px` : "0px",
}}
onClick={e => { this.props.gotoDocument(index); e.stopPropagation(); }}>
<strong className="presentationView-name">
{`${index + 1}. ${title}`}
</strong>
<button className="presentation-icon" onClick={e => { this.props.deleteDocument(index); e.stopPropagation(); }}>X</button>
</div>
);
}
render() {
const children = DocListCast(this.props.Document.data);
return (
<div className="presentationView-listCont">
{children.map(this.renderChild)}
</div>
);
}
}
@observer
export class PresentationView extends React.Component<PresViewProps> {
public static Instance: PresentationView;
//observable means render is re-called every time variable is changed
@observable
collapsed: boolean = false;
closePresentation = action(() => this.props.Document.width = 0);
next = () => {
const current = NumCast(this.props.Document.selectedDoc);
this.gotoDocument(current + 1);
}
back = () => {
const current = NumCast(this.props.Document.selectedDoc);
this.gotoDocument(current - 1);
}
@action
public RemoveDoc = (index: number) => {
const value = FieldValue(Cast(this.props.Document.data, listSpec(Doc)));
if (value) {
value.splice(index, 1);
}
}
public gotoDocument = async (index: number) => {
const list = FieldValue(Cast(this.props.Document.data, listSpec(Doc)));
if (!list) {
return;
}
if (index < 0 || index >= list.length) {
return;
}
this.props.Document.selectedDoc = index;
const doc = await list[index];
DocumentManager.Instance.jumpToDocument(doc);
}
//initilize class variables
constructor(props: PresViewProps) {
super(props);
PresentationView.Instance = this;
}
/**
* Adds a document to the presentation view
**/
@action
public PinDoc(doc: Doc) {
//add this new doc to props.Document
const data = Cast(this.props.Document.data, listSpec(Doc));
if (data) {
data.push(doc);
} else {
this.props.Document.data = new List([doc]);
}
this.props.Document.width = 300;
}
render() {
let titleStr = StrCast(this.props.Document.title);
let width = NumCast(this.props.Document.width);
//TODO: next and back should be icons
return (
<div className="presentationView-cont" style={{ width: width, overflow: "hidden" }}>
<div className="presentationView-heading">
<div className="presentationView-title">{titleStr}</div>
<button className='presentation-icon' onClick={this.closePresentation}>X</button>
</div>
<div className="presentation-buttons">
<button className="presentation-button" onClick={this.back}>back</button>
<button className="presentation-button" onClick={this.next}>next</button>
</div>
<PresentationViewList Document={this.props.Document} deleteDocument={this.RemoveDoc} gotoDocument={this.gotoDocument} />
</div>
);
}
}
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