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import { action, IReactionDisposer, observable, reaction } from "mobx";
import { observer } from "mobx-react";
import { Document } from "../../../fields/Document";
import { FieldWaiting, Opt } from "../../../fields/Field";
import { KeyStore } from "../../../fields/KeyStore";
import { ListField } from "../../../fields/ListField";
import { Documents } from "../../documents/Documents";
import { SelectionManager } from "../../util/SelectionManager";
import { Transform } from "../../util/Transform";
import { CollectionFreeFormView } from "./CollectionFreeFormView";
import "./MarqueeView.scss";
import React = require("react");
interface MarqueeViewProps {
getMarqueeTransform: () => Transform;
getTransform: () => Transform;
container: CollectionFreeFormView;
addDocument: (doc: Document) => void;
activeDocuemnts: () => Document[];
selectDocuments: (docs: Document[]) => void;
removeDocument: (doc: Document) => boolean;
}
@observer
export class MarqueeView extends React.Component<MarqueeViewProps>
{
private _reactionDisposer: Opt<IReactionDisposer>;
@observable _lastX: number = 0;
@observable _lastY: number = 0;
@observable _downX: number = 0;
@observable _downY: number = 0;
componentDidMount() {
this._reactionDisposer = reaction(
() => this.props.container.MarqueeVisible,
(visible: boolean) => this.onPointerDown(visible, this.props.container.DownX, this.props.container.DownY))
}
componentWillUnmount() {
if (this._reactionDisposer) {
this._reactionDisposer();
}
this.cleanupInteractions();
}
@action
cleanupInteractions = () => {
document.removeEventListener("pointermove", this.onPointerMove, true)
document.removeEventListener("pointerup", this.onPointerUp, true);
document.removeEventListener("keydown", this.marqueeCommand, true);
}
@action
onPointerDown = (visible: boolean, downX: number, downY: number): void => {
if (visible) {
this._downX = this._lastX = downX;
this._downY = this._lastY = downY;
document.addEventListener("pointermove", this.onPointerMove, true)
document.addEventListener("pointerup", this.onPointerUp, true);
document.addEventListener("keydown", this.marqueeCommand, true);
}
}
@action
onPointerMove = (e: PointerEvent): void => {
this._lastX = e.pageX;
this._lastY = e.pageY;
}
@action
onPointerUp = (e: PointerEvent): void => {
this.cleanupInteractions();
if (!e.shiftKey) {
SelectionManager.DeselectAll();
}
this.props.selectDocuments(this.marqueeSelect());
}
intersectRect(r1: { left: number, top: number, width: number, height: number },
r2: { left: number, top: number, width: number, height: number }) {
return !(r2.left > r1.left + r1.width || r2.left + r2.width < r1.left || r2.top > r1.top + r1.height || r2.top + r2.height < r1.top);
}
get Bounds() {
let left = this._downX < this._lastX ? this._downX : this._lastX;
let top = this._downY < this._lastY ? this._downY : this._lastY;
let topLeft = this.props.getTransform().transformPoint(left, top);
let size = this.props.getTransform().transformDirection(this._lastX - this._downX, this._lastY - this._downY);
return { left: topLeft[0], top: topLeft[1], width: Math.abs(size[0]), height: Math.abs(size[1]) }
}
@action
marqueeCommand = (e: KeyboardEvent) => {
if (e.key == "Backspace") {
this.marqueeSelect().map(d => this.props.removeDocument(d));
this.cleanupInteractions();
}
if (e.key == "c") {
let bounds = this.Bounds;
let selected = this.marqueeSelect().map(m => m);
this.marqueeSelect().map(d => this.props.removeDocument(d));
//setTimeout(() => {
this.props.addDocument(Documents.FreeformDocument(selected.map(d => {
d.SetNumber(KeyStore.X, d.GetNumber(KeyStore.X, 0) - bounds.left - bounds.width / 2);
d.SetNumber(KeyStore.Y, d.GetNumber(KeyStore.Y, 0) - bounds.top - bounds.height / 2);
d.SetNumber(KeyStore.Page, 0);
d.SetText(KeyStore.Title, "" + d.GetNumber(KeyStore.Width, 0) + " " + d.GetNumber(KeyStore.Height, 0));
return d;
}), { x: bounds.left, y: bounds.top, panx: 0, pany: 0, width: bounds.width, height: bounds.height, title: "a nested collection" }));
// }, 100);
this.cleanupInteractions();
}
}
marqueeSelect() {
let selRect = this.Bounds;
let selection: Document[] = [];
this.props.activeDocuemnts().map(doc => {
var x = doc.GetNumber(KeyStore.X, 0);
var y = doc.GetNumber(KeyStore.Y, 0);
var w = doc.GetNumber(KeyStore.Width, 0);
var h = doc.GetNumber(KeyStore.Height, 0);
if (this.intersectRect({ left: x, top: y, width: w, height: h }, selRect))
selection.push(doc)
})
return selection;
}
render() {
let p = this.props.getMarqueeTransform().transformPoint(this._downX < this._lastX ? this._downX : this._lastX, this._downY < this._lastY ? this._downY : this._lastY);
let v = this.props.getMarqueeTransform().transformDirection(this._lastX - this._downX, this._lastY - this._downY);
return (!this.props.container.MarqueeVisible ? (null) : <div className="marqueeView" style={{ transform: `translate(${p[0]}px, ${p[1]}px)`, width: `${Math.abs(v[0])}`, height: `${Math.abs(v[1])}` }} />);
}
}
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