1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
import { action, observable } from "mobx";
import { observer } from "mobx-react";
import { ContextMenu } from "../ContextMenu";
import "./CollectionPDFView.scss";
import React = require("react");
import { CollectionFreeFormView } from "./collectionFreeForm/CollectionFreeFormView";
import { FieldView, FieldViewProps } from "../nodes/FieldView";
import { CollectionRenderProps, CollectionBaseView, CollectionViewType } from "./CollectionBaseView";
import { emptyFunction } from "../../../Utils";
import { NumCast } from "../../../new_fields/Types";
import { Id } from "../../../new_fields/FieldSymbols";
@observer
export class CollectionPDFView extends React.Component<FieldViewProps> {
public static LayoutString(fieldKey: string = "data") {
return FieldView.LayoutString(CollectionPDFView, fieldKey);
}
@observable _inThumb = false;
private set curPage(value: number) { this.props.Document.curPage = value; }
private get curPage() { return NumCast(this.props.Document.curPage, -1); }
private get numPages() { return NumCast(this.props.Document.numPages); }
@action onPageBack = () => this.curPage > 1 ? (this.props.Document.curPage = this.curPage - 1) : -1;
@action onPageForward = () => this.curPage < this.numPages ? (this.props.Document.curPage = this.curPage + 1) : -1;
@action
onThumbDown = (e: React.PointerEvent) => {
document.addEventListener("pointermove", this.onThumbMove, false);
document.addEventListener("pointerup", this.onThumbUp, false);
e.stopPropagation();
this._inThumb = true;
}
@action
onThumbMove = (e: PointerEvent) => {
let pso = (e.clientY - (e as any).target.parentElement.getBoundingClientRect().top) / (e as any).target.parentElement.getBoundingClientRect().height;
this.curPage = Math.trunc(Math.min(this.numPages, pso * this.numPages + 1));
e.stopPropagation();
}
@action
onThumbUp = (e: PointerEvent) => {
this._inThumb = false;
document.removeEventListener("pointermove", this.onThumbMove);
document.removeEventListener("pointerup", this.onThumbUp);
}
nativeWidth = () => NumCast(this.props.Document.nativeWidth);
nativeHeight = () => NumCast(this.props.Document.nativeHeight);
private get uIButtons() {
let ratio = (this.curPage - 1) / this.numPages * 100;
return (
<div className="collectionPdfView-buttonTray" key="tray" style={{ height: "100%" }}>
<button className="collectionPdfView-backward" onClick={this.onPageBack}>{"<"}</button>
<button className="collectionPdfView-forward" onClick={this.onPageForward}>{">"}</button>
<div className="collectionPdfView-slider" onPointerDown={this.onThumbDown} style={{ top: 60, left: -20, width: 50, height: `calc(100% - 80px)` }} >
<div className="collectionPdfView-thumb" onPointerDown={this.onThumbDown} style={{ top: `${ratio}%`, width: 50, height: 50 }} />
</div>
</div>
);
}
onContextMenu = (e: React.MouseEvent): void => {
if (!e.isPropagationStopped() && this.props.Document[Id] !== "mainDoc") { // need to test this because GoldenLayout causes a parallel hierarchy in the React DOM for its children and the main document view7
ContextMenu.Instance.addItem({ description: "PDFOptions", event: emptyFunction, icon: "file-pdf" });
}
}
private subView = (_type: CollectionViewType, renderProps: CollectionRenderProps) => {
let props = { ...this.props, ...renderProps };
return (
<>
<CollectionFreeFormView {...props} CollectionView={this} />
{renderProps.active() ? this.uIButtons : (null)}
</>
);
}
render() {
return (
<CollectionBaseView {...this.props} className={`collectionPdfView-cont${this._inThumb ? "-dragging" : ""}`} onContextMenu={this.onContextMenu}>
{this.subView}
</CollectionBaseView>
);
}
}
|
