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import { observer } from "mobx-react";
import { Document } from "../../fields/Document";
import { KeyStore } from "../../fields/KeyStore";
import { ListField } from "../../fields/ListField";
import React = require("react")
import { TextField } from "../../fields/TextField";
import { observable, action } from "mobx";
import { Field } from "../../fields/Field";
import { Documents } from '../documents/Documents';
import "./PresentationView.scss"
import { mobxPendingDecorators } from "mobx/lib/internal";
export interface PresViewProps {
Document: Document;
}
@observer
/**
* Component that takes in a document prop and a boolean whether it's collapsed or not.
*/
class PresentationViewItem extends React.Component<PresViewProps> {
/**
* Renders a single child document. It will just append a list element.
* @param document The document to render.
*/
renderChild(document: Document) {
let title = document.GetT<TextField>(KeyStore.Title, TextField);
// if the title hasn't loaded, immediately return the div
if (!title || title === "<Waiting>") {
return <div className="presentationView-item" key={document.Id}></div>;
}
// finally, if it's a normal document, then render it as such.
else {
return <li className="presentationView-item" key={document.Id}> //onClick={PresentationView.Instance.RemoveDoc(document)}>
{title.Data}</li>;
}
}
render() {
var children = this.props.Document.GetT<ListField<Document>>(KeyStore.Data, ListField);
if (children && children !== "<Waiting>") {
return (<div>
{children.Data.map(value => this.renderChild(value))}
</div>)
} else {
return <div></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;
private ref: React.RefObject<HTMLDivElement>;
//initilize class variables
constructor(props: PresViewProps) {
super(props);
this.ref = React.createRef()
PresentationView.Instance = this;
}
/**
* Adds a document to the presentation view
**/
@action
public PinDoc(doc: Document) {
//add this new doc to props.Document
if (this.props.Document.Get(KeyStore.Data) instanceof Field) {
const value = this.props.Document.GetData(KeyStore.Data, ListField, new Array<Document>())
value.push(doc);
} else {
this.props.Document.SetData(KeyStore.Data, [doc], ListField);
}
//TODO: open presentation view if not already open
this.collapsed = false;
}
/**
* Removes a document from the presentation view
**/
@action
public RemoveDoc(doc: Document) {
const value = this.props.Document.GetData(KeyStore.Data, ListField, new Array<Document>())
let index = -1;
for (let i = 0; i < value.length; i++) {
if (value[i].Id == doc.Id) {
index = i;
break;
}
}
if (index !== -1) {
value.splice(index, 1)
//TODO: do i need below lines??
// SelectionManager.DeselectAll()
// ContextMenu.Instance.clearItems()
// return true;
}
// return false
this.collapsed = true;
}
render() {
let titleStr = "Title";
let title = this.props.Document.GetT<TextField>(KeyStore.Title, TextField);
if (title && title !== "<Waiting>") {
titleStr = title.Data;
}
let width = this.collapsed ? 10 : 500;
return (
<div className="presentationView-cont" max-width={width}>
<div className="presentationView-title"><h2>{titleStr}</h2></div>
<ul>
<PresentationViewItem
Document={this.props.Document}
/>
</ul>
</div>
);
}
}
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