aboutsummaryrefslogtreecommitdiff
path: root/src/client/views/pdf/PDFMenu.tsx
blob: 2ed89113141c6f3337e6a346711b4486e90a488e (plain)
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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
import React = require("react");
import "./PDFMenu.scss";
import { observable, action } from "mobx";
import { observer } from "mobx-react";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { emptyFunction } from "../../../Utils";
import { Doc } from "../../../new_fields/Doc";

@observer
export default class PDFMenu extends React.Component {
    static Instance: PDFMenu;

    @observable private _top: number = -300;
    @observable private _left: number = -300;
    @observable private _opacity: number = 1;
    @observable private _transition: string = "opacity 0.5s";
    @observable private _transitionDelay: string = "";
    @observable private _pinned: boolean = false;

    StartDrag: (e: PointerEvent) => void = emptyFunction;
    Highlight: (d: Doc | undefined, color: string | undefined) => void = emptyFunction;
    @observable Highlighting: boolean = false;

    private _timeout: NodeJS.Timeout | undefined;
    private _offsetY: number = 0;
    private _offsetX: number = 0;
    private _mainCont: React.RefObject<HTMLDivElement>;

    constructor(props: Readonly<{}>) {
        super(props);

        PDFMenu.Instance = this;

        this._mainCont = React.createRef();
    }

    pointerDown = (e: React.PointerEvent) => {
        document.removeEventListener("pointermove", this.StartDrag);
        document.addEventListener("pointermove", this.StartDrag);
        document.removeEventListener("pointerup", this.pointerUp);
        document.addEventListener("pointerup", this.pointerUp);

        console.log(this.StartDrag);

        e.stopPropagation();
        e.preventDefault();
    }

    pointerUp = (e: PointerEvent) => {
        document.removeEventListener("pointermove", this.StartDrag);
        document.removeEventListener("pointerup", this.pointerUp);
        e.stopPropagation();
        e.preventDefault();
    }

    @action
    jumpTo = (x: number, y: number) => {
        if (!this._pinned) {
            this._transition = this._transitionDelay = "";
            this._opacity = 1;
            this._left = x;
            this._top = y;
        }
    }

    @action
    fadeOut = (forceOut: boolean) => {
        if (!this._pinned) {
            if (this._opacity === 0.2) {
                this._transition = "opacity 0.1s";
                this._transitionDelay = "";
                this._opacity = 0;
                this._left = this._top = -300;
            }

            if (forceOut) {
                this._transition = "";
                this._transitionDelay = "";
                this._opacity = 0;
                this._left = this._top = -300;
            }
        }
    }

    @action
    pointerLeave = (e: React.PointerEvent) => {
        if (!this._pinned) {
            this._transition = "opacity 0.5s";
            this._transitionDelay = "1s";
            this._opacity = 0.2;
            setTimeout(() => this.fadeOut(false), 3000);
        }
    }

    @action
    pointerEntered = (e: React.PointerEvent) => {
        this._transition = "opacity 0.1s";
        this._transitionDelay = "";
        this._opacity = 1;
    }

    @action
    togglePin = (e: React.MouseEvent) => {
        this._pinned = !this._pinned;
        if (!this._pinned) {
            this.Highlighting = false;
        }
    }

    @action
    dragging = (e: PointerEvent) => {
        this._left = e.pageX - this._offsetX;
        this._top = e.pageY - this._offsetY;

        e.stopPropagation();
        e.preventDefault();
    }

    dragEnd = (e: PointerEvent) => {
        document.removeEventListener("pointermove", this.dragging);
        document.removeEventListener("pointerup", this.dragEnd);
        e.stopPropagation();
        e.preventDefault();
    }

    dragStart = (e: React.PointerEvent) => {
        document.removeEventListener("pointermove", this.dragging);
        document.addEventListener("pointermove", this.dragging);
        document.removeEventListener("pointerup", this.dragEnd);
        document.addEventListener("pointerup", this.dragEnd);

        this._offsetX = this._mainCont.current!.getBoundingClientRect().width - e.nativeEvent.offsetX;
        this._offsetY = e.nativeEvent.offsetY;

        e.stopPropagation();
        e.preventDefault();
    }

    @action
    highlightClicked = (e: React.MouseEvent) => {
        if (!this._pinned) {
            this.Highlight(undefined, "#f4f442");
        }
        else {
            this.Highlighting = !this.Highlighting;
            this.Highlight(undefined, "#f4f442");
        }
    }

    render() {
        return (
            <div className="pdfMenu-cont" onPointerLeave={this.pointerLeave} onPointerEnter={this.pointerEntered} ref={this._mainCont}
                style={{ left: this._left, top: this._top, opacity: this._opacity, transition: this._transition, transitionDelay: this._transitionDelay }}>
                <button className="pdfMenu-button" title="Highlight" onClick={this.highlightClicked}
                    style={this.Highlighting ? { backgroundColor: "#121212" } : {}}>
                    <FontAwesomeIcon icon="highlighter" size="lg" style={{ transition: "transform 0.1s", transform: this.Highlighting ? "" : "rotate(-45deg)" }} />
                </button>
                <button className="pdfMenu-button" title="Annotate" onPointerDown={this.pointerDown}><FontAwesomeIcon icon="comment-alt" size="lg" /></button>
                <button className="pdfMenu-button" title="Pin Menu" onClick={this.togglePin}
                    style={this._pinned ? { backgroundColor: "#121212" } : {}}>
                    <FontAwesomeIcon icon="thumbtack" size="lg" style={{ transition: "transform 0.1s", transform: this._pinned ? "rotate(45deg)" : "" }} />
                </button>
                <div className="pdfMenu-dragger" onPointerDown={this.dragStart} style={{ width: this._pinned ? "20px" : "0px" }} />
            </div >
        );
    }
}