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import { action, observable } from "mobx";
import { observer } from "mobx-react";
import { Doc, WidthSym, HeightSym } from "../../../new_fields/Doc";
import { makeInterface } from "../../../new_fields/Schema";
import { NumCast, StrCast, Cast } from "../../../new_fields/Types";
import { Utils } from '../../../Utils';
import { DocumentManager } from "../../util/DocumentManager";
import { DragManager } from "../../util/DragManager";
import { DocComponent } from "../DocComponent";
import "./DocuLinkBox.scss";
import { FieldView, FieldViewProps } from "./FieldView";
import React = require("react");
import { DocumentType } from "../../documents/DocumentTypes";
import { documentSchema } from "../../../new_fields/documentSchemas";
import { Id } from "../../../new_fields/FieldSymbols";
type DocLinkSchema = makeInterface<[typeof documentSchema]>;
const DocLinkDocument = makeInterface(documentSchema);
@observer
export class DocuLinkBox extends DocComponent<FieldViewProps, DocLinkSchema>(DocLinkDocument) {
public static LayoutString(fieldKey: string) { return FieldView.LayoutString(DocuLinkBox, fieldKey); }
_downx = 0;
_downy = 0;
@observable _x = 0;
@observable _y = 0;
@observable _selected = false;
_ref = React.createRef<HTMLDivElement>();
onPointerDown = (e: React.PointerEvent) => {
this._downx = e.clientX;
this._downy = e.clientY;
document.removeEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
document.addEventListener("pointermove", this.onPointerMove);
document.addEventListener("pointerup", this.onPointerUp);
(e.button === 0 && !e.ctrlKey) && e.stopPropagation();
}
onPointerMove = action((e: PointerEvent) => {
const cdiv = this._ref && this._ref.current && this._ref.current.parentElement;
if (cdiv && (Math.abs(e.clientX - this._downx) > 5 || Math.abs(e.clientY - this._downy) > 5)) {
const bounds = cdiv.getBoundingClientRect();
const pt = Utils.getNearestPointInPerimeter(bounds.left, bounds.top, bounds.width, bounds.height, e.clientX, e.clientY);
const separation = Math.sqrt((pt[0] - e.clientX) * (pt[0] - e.clientX) + (pt[1] - e.clientY) * (pt[1] - e.clientY));
const dragdist = Math.sqrt((pt[0] - this._downx) * (pt[0] - this._downx) + (pt[1] - this._downy) * (pt[1] - this._downy));
if (separation > 100) {
DragManager.StartLinkTargetsDrag(this._ref.current!, pt[0], pt[1], Cast(this.props.Document[this.props.fieldKey], Doc) as Doc, [this.props.Document]); // Containging collection is the document, not a collection... hack.
document.removeEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
} else if (dragdist > separation) {
this.props.Document[this.props.fieldKey + "_x"] = (pt[0] - bounds.left) / bounds.width * 100;
this.props.Document[this.props.fieldKey + "_y"] = (pt[1] - bounds.top) / bounds.height * 100;
}
}
});
onPointerUp = (e: PointerEvent) => {
document.removeEventListener("pointermove", this.onPointerMove);
document.removeEventListener("pointerup", this.onPointerUp);
if (Math.abs(e.clientX - this._downx) < 3 && Math.abs(e.clientY - this._downy) < 3 && (e.button === 2 || e.ctrlKey || !this.props.Document.isButton)) {
this.props.select(false);
}
}
onClick = (e: React.MouseEvent) => {
if (!this.props.Document.onClick) {
if (Math.abs(e.clientX - this._downx) < 3 && Math.abs(e.clientY - this._downy) < 3 && (e.button !== 2 && !e.ctrlKey && this.props.Document.isButton)) {
DocumentManager.Instance.FollowLink(this.props.Document, this.props.Document[this.props.fieldKey] as Doc, document => this.props.addDocTab(document, undefined, "inTab"), false);
}
e.stopPropagation();
}
}
render() {
const x = NumCast(this.props.Document[this.props.fieldKey + "_x"], 100);
const y = NumCast(this.props.Document[this.props.fieldKey + "_y"], 100);
const c = StrCast(this.props.Document.backgroundColor, "lightblue");
const anchor = this.props.fieldKey === "anchor1" ? "anchor2" : "anchor1";
const anchorScale = (x === 0 || x === 100 || y === 0 || y === 100) ? 1 : .15;
const timecode = this.props.Document[anchor + "Timecode"];
const targetTitle = StrCast((this.props.Document[anchor]! as Doc).title) + (timecode !== undefined ? ":" + timecode : "");
return <div className="docuLinkBox-cont" onPointerDown={this.onPointerDown} onClick={this.onClick} title={targetTitle}
ref={this._ref} style={{
background: c, left: `calc(${x}% - 12.5px)`, top: `calc(${y}% - 12.5px)`,
transform: `scale(${anchorScale / this.props.ContentScaling()})`
}} />;
}
}
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