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import { action, observable, runInAction } from 'mobx';
import { observer } from 'mobx-react';
import "normalize.css";
import * as React from 'react';
import "./PreviewCursor.scss";
import { Docs } from '../documents/Documents';
// import { Transform } from 'prosemirror-transform';
import { Doc } from '../../new_fields/Doc';
import { Transform } from "../util/Transform";
@observer
export class PreviewCursor extends React.Component<{}> {
private _prompt = React.createRef<HTMLDivElement>();
static _onKeyPress?: (e: KeyboardEvent) => void;
static _getTransform: () => Transform;
static _addLiveTextDoc: (doc: Doc) => void;
static _addDocument: (doc: Doc, allowDuplicates: false) => boolean;
@observable static _clickPoint = [0, 0];
@observable public static Visible = false;
//when focus is lost, this will remove the preview cursor
@action onBlur = (): void => {
PreviewCursor.Visible = false;
}
constructor(props: any) {
super(props);
document.addEventListener("keydown", this.onKeyPress);
document.addEventListener("paste", this.paste);
}
paste = (e: ClipboardEvent) => {
if (PreviewCursor.Visible) {
if (e.clipboardData) {
let newPoint = PreviewCursor._getTransform().transformPoint(PreviewCursor._clickPoint[0], PreviewCursor._clickPoint[1]);
//keeping these just to hold onto types of pastes
//what needs to be done with html?
// console.log(e.clipboardData.getData("text/html"));
// console.log(e.clipboardData.getData("text/csv"));
// console.log(e.clipboardData.getData("text/plain"));
// console.log(e.clipboardData.getData("image/png"));
// console.log(e.clipboardData.getData("image/jpg"));
// console.log(e.clipboardData.getData("image/jpeg"));
// console.log(e.clipboardData.types)
// pasting in text
if (e.clipboardData.getData("text/plain") !== "") {
let newBox = Docs.Create.TextDocument({
width: 200, height: 100,
x: newPoint[0],
y: newPoint[1],
title: "-typed text-"
});
newBox.proto!.autoHeight = true;
PreviewCursor._addLiveTextDoc(newBox);
}
//pasting in images
else if (e.clipboardData.getData("text/html") !== "" && e.clipboardData.getData("text/html").includes("<img src=")) {
let re: any = /<img src="(.*?)"/g;
let arr: any[] = re.exec(e.clipboardData.getData("text/html"));
let img: Doc = Docs.Create.ImageDocument(
arr[1], {
width: 200, title: "an image of a cat",
x: newPoint[0],
y: newPoint[1],
});
PreviewCursor._addDocument(img, false);
runInAction(() => { PreviewCursor.Visible = false; });
}
}
}
}
@action
onKeyPress = (e: KeyboardEvent) => {
// Mixing events between React and Native is finicky. In FormattedTextBox, we set the
// DASHFormattedTextBoxHandled flag when a text box consumes a key press so that we can ignore
// the keyPress here. 112-
//if not these keys, make a textbox if preview cursor is active!
if (e.key !== "Escape" && e.key !== "Backspace" && e.key !== "Delete" && e.key !== "CapsLock" &&
e.key !== "Alt" && e.key !== "Shift" && e.key !== "Meta" && e.key !== "Control" &&
e.key !== "Insert" && e.key !== "Home" && e.key !== "End" && e.key !== "PageUp" && e.key !== "PageDown" &&
e.key !== "NumLock" &&
(e.keyCode < 112 || e.keyCode > 123) && // F1 thru F12 keys
!e.key.startsWith("Arrow") &&
!e.defaultPrevented && !(e as any).DASHFormattedTextBoxHandled) {
if (!e.ctrlKey && !e.metaKey) {// /^[a-zA-Z0-9$*^%#@+-=_|}{[]"':;?/><.,}]$/.test(e.key)) {
PreviewCursor.Visible && PreviewCursor._onKeyPress && PreviewCursor._onKeyPress(e);
PreviewCursor.Visible = false;
}
}
}
@action
public static Show(x: number, y: number,
onKeyPress: (e: KeyboardEvent) => void,
addLiveText: (doc: Doc) => void,
getTransform: () => Transform,
addDocument: (doc: Doc, allowDuplicates: false) => boolean) {
this._clickPoint = [x, y];
this._onKeyPress = onKeyPress;
this._addLiveTextDoc = addLiveText;
this._getTransform = getTransform;
this._addDocument = addDocument;
setTimeout(action(() => this.Visible = true), (1));
}
render() {
if (!PreviewCursor._clickPoint) {
return (null);
}
if (PreviewCursor.Visible && this._prompt.current) {
this._prompt.current.focus();
}
return <div className="previewCursor" id="previewCursor" onBlur={this.onBlur} tabIndex={0} ref={this._prompt}
style={{ transform: `translate(${PreviewCursor._clickPoint[0]}px, ${PreviewCursor._clickPoint[1]}px)`, opacity: PreviewCursor.Visible ? 1 : 0 }}>
I
</div >;
}
}
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