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import { action, observable, trace, computed, reaction } from "mobx";
import { observer } from "mobx-react";
import { Document } from "../../../../fields/Document";
import { Documents } from "../../../documents/Documents";
import { Transform } from "../../../util/Transform";
import { CollectionFreeFormView } from "./CollectionFreeFormView";
import "./PreviewCursor.scss";
import React = require("react");
import { Main, PreviewCursorPrompt } from "../../Main";
export interface PreviewCursorProps {
getTransform: () => Transform;
container: CollectionFreeFormView;
addLiveTextDocument: (doc: Document) => void;
}
@observer
export class PreviewCursor extends React.Component<PreviewCursorProps> {
@observable _lastX: number = 0;
@observable _lastY: number = 0;
@observable public DownX: number = 0;
@observable public DownY: number = 0;
_showOnUp: boolean = false;
@action
cleanupInteractions = () => {
document.removeEventListener("pointerup", this.onPointerUp, true);
document.removeEventListener("pointermove", this.onPointerMove, true);
}
@action
onPointerDown = (e: React.PointerEvent) => {
if (e.button === 0 && this.props.container.props.active()) {
document.removeEventListener("keypress", this.onKeyPress, false);
this._showOnUp = true;
this.DownX = e.pageX;
this.DownY = e.pageY;
document.addEventListener("pointerup", this.onPointerUp, true);
document.addEventListener("pointermove", this.onPointerMove, true);
}
}
@action
onPointerMove = (e: PointerEvent): void => {
if (Math.abs(this.DownX - e.clientX) > 4 || Math.abs(this.DownY - e.clientY) > 4) {
this._showOnUp = false;
PreviewCursorPrompt.Visible = false;
}
}
onPointerUp = (e: PointerEvent): void => {
if (this._showOnUp) {
PreviewCursorPrompt.Show(this.hideCursor, this.DownX, this.DownY);
document.addEventListener("keypress", this.onKeyPress, false);
}
this.cleanupInteractions();
}
@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.
//if not these keys, make a textbox if preview cursor is active!
if (!e.ctrlKey && !e.altKey && !e.defaultPrevented && !(e as any).DASHFormattedTextBoxHandled) {
//make textbox and add it to this collection
let [x, y] = this.props.getTransform().transformPoint(this.DownX, this.DownY);
let newBox = Documents.TextDocument({ width: 200, height: 100, x: x, y: y, title: "typed text" });
this.props.addLiveTextDocument(newBox);
PreviewCursorPrompt.Visible = false;
e.stopPropagation();
}
}
hideCursor = () => {
document.removeEventListener("keypress", this.onKeyPress, false);
}
render() {
return (
<div className="previewCursorView" onPointerDown={this.onPointerDown}>
{this.props.children}
</div>
);
}
}
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