aboutsummaryrefslogtreecommitdiff
path: root/src/client/views/nodes/ComparisonBox.tsx
blob: ca5ec9389a37ecd8a3a03415621d923f17c00d5b (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
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
import { action, computed, observable } from 'mobx';
import { observer } from 'mobx-react';
import { Doc, Opt } from '../../../fields/Doc';
import { DocCast, NumCast, StrCast } from '../../../fields/Types';
import { emptyFunction, returnFalse, returnNone, returnZero, setupMoveUpEvents } from '../../../Utils';
import { Docs, DocUtils } from '../../documents/Documents';
import { DragManager } from '../../util/DragManager';
import { undoBatch } from '../../util/UndoManager';
import { ViewBoxAnnotatableComponent, ViewBoxAnnotatableProps } from '../DocComponent';
import { StyleProp } from '../StyleProvider';
import './ComparisonBox.scss';
import { DocumentView, DocumentViewProps } from './DocumentView';
import { FieldView, FieldViewProps } from './FieldView';
import { PinProps, PresBox } from './trails';
import React = require('react');

@observer
export class ComparisonBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatableProps & FieldViewProps>() {
    public static LayoutString(fieldKey: string) {
        return FieldView.LayoutString(ComparisonBox, fieldKey);
    }
    protected _multiTouchDisposer?: import('../../util/InteractionUtils').InteractionUtils.MultiTouchEventDisposer | undefined;
    private _disposers: (DragManager.DragDropDisposer | undefined)[] = [undefined, undefined];

    @observable _animating = '';

    @computed get clipWidth() {
        return NumCast(this.layoutDoc[this.clipWidthKey], 50);
    }
    get clipWidthKey() {
        return '_' + this.props.fieldKey + '_clipWidth';
    }
    componentDidMount() {
        this.props.setContentView?.(this);
    }
    protected createDropTarget = (ele: HTMLDivElement | null, fieldKey: string, disposerId: number) => {
        this._disposers[disposerId]?.();
        if (ele) {
            this._disposers[disposerId] = DragManager.MakeDropTarget(ele, (e, dropEvent) => this.internalDrop(e, dropEvent, fieldKey), this.layoutDoc);
        }
    };

    @undoBatch
    private internalDrop = (e: Event, dropEvent: DragManager.DropEvent, fieldKey: string) => {
        if (dropEvent.complete.docDragData) {
            const droppedDocs = dropEvent.complete.docDragData?.droppedDocuments;
            const added = dropEvent.complete.docDragData.moveDocument?.(droppedDocs, this.rootDoc, (doc: Doc | Doc[]) => this.addDoc(doc instanceof Doc ? doc : doc.lastElement(), fieldKey));
            Doc.SetContainer(droppedDocs.lastElement(), this.dataDoc);
            !added && e.preventDefault();
            e.stopPropagation(); // prevent parent Doc from registering new position so that it snaps back into place
            return added;
        }
    };

    private registerSliding = (e: React.PointerEvent<HTMLDivElement>, targetWidth: number) => {
        if (e.button !== 2) {
            setupMoveUpEvents(
                this,
                e,
                this.onPointerMove,
                emptyFunction,
                action((e, doubleTap) => {
                    if (doubleTap) {
                        this._isAnyChildContentActive = true;
                        if (!this.dataDoc[this.fieldKey + '_1']) this.dataDoc[this.fieldKey + '_1'] = DocUtils.copyDragFactory(Doc.UserDoc().emptyNote as Doc);
                        if (!this.dataDoc[this.fieldKey + '_2']) this.dataDoc[this.fieldKey + '_2'] = DocUtils.copyDragFactory(Doc.UserDoc().emptyNote as Doc);
                    }
                }),
                false,
                undefined,
                action(() => {
                    if (this._isAnyChildContentActive) return;
                    this._animating = 'all 200ms';
                    // on click, animate slider movement to the targetWidth
                    this.layoutDoc[this.clipWidthKey] = (targetWidth * 100) / this.props.PanelWidth();
                    setTimeout(
                        action(() => (this._animating = '')),
                        200
                    );
                })
            );
        }
    };

    @action
    private onPointerMove = ({ movementX }: PointerEvent) => {
        const width = movementX * this.props.ScreenToLocalTransform().Scale + (this.clipWidth / 100) * this.props.PanelWidth();
        if (width && width > 5 && width < this.props.PanelWidth()) {
            this.layoutDoc[this.clipWidthKey] = (width * 100) / this.props.PanelWidth();
        }
        return false;
    };

    getAnchor = (addAsAnnotation: boolean, pinProps?: PinProps) => {
        const anchor = Docs.Create.ConfigDocument({
            title: 'CompareAnchor:' + this.rootDoc.title,
            // set presentation timing properties for restoring view
            presTransition: 1000,
            annotationOn: this.rootDoc,
        });
        if (anchor) {
            if (!addAsAnnotation) anchor.backgroundColor = 'transparent';
            /* addAsAnnotation &&*/ this.addDocument(anchor);
            PresBox.pinDocView(anchor, { pinDocLayout: pinProps?.pinDocLayout, pinData: { ...(pinProps?.pinData ?? {}), clippable: true } }, this.rootDoc);
            return anchor;
        }
        return this.rootDoc;
    };

    @undoBatch
    clearDoc = (e: React.MouseEvent, fieldKey: string) => {
        e.stopPropagation; // prevent click event action (slider movement) in registerSliding
        delete this.dataDoc[fieldKey];
    };
    moveDoc = (doc: Doc, addDocument: (document: Doc | Doc[]) => boolean, which: string) => this.remDoc(doc, which) && addDocument(doc);
    addDoc = (doc: Doc, which: string) => {
        this.dataDoc[which] = doc;
        return true;
    };
    remDoc = (doc: Doc, which: string) => {
        if (this.dataDoc[which] === doc) {
            this.dataDoc[which] = undefined;
            return true;
        }
        return false;
    };

    whenChildContentsActiveChanged = action((isActive: boolean) => (this._isAnyChildContentActive = isActive));

    docStyleProvider = (doc: Opt<Doc>, props: Opt<DocumentViewProps>, property: string): any => {
        if (property === StyleProp.PointerEvents) return 'none';
        return this.props.styleProvider?.(doc, props, property);
    };
    moveDoc1 = (doc: Doc | Doc[], targetCol: Doc | undefined, addDoc: any) => (doc instanceof Doc ? [doc] : doc).reduce((res, doc: Doc) => res && this.moveDoc(doc, addDoc, this.fieldKey + '_1'), true);
    moveDoc2 = (doc: Doc | Doc[], targetCol: Doc | undefined, addDoc: any) => (doc instanceof Doc ? [doc] : doc).reduce((res, doc: Doc) => res && this.moveDoc(doc, addDoc, this.fieldKey + '_2'), true);
    remDoc1 = (doc: Doc | Doc[]) => (doc instanceof Doc ? [doc] : doc).reduce((res, doc) => res && this.remDoc(doc, this.fieldKey + '_1'), true);
    remDoc2 = (doc: Doc | Doc[]) => (doc instanceof Doc ? [doc] : doc).reduce((res, doc) => res && this.remDoc(doc, this.fieldKey + '_2'), true);
    render() {
        const clearButton = (which: string) => {
            return (
                <div
                    className={`clear-button ${which}`}
                    onPointerDown={e => e.stopPropagation()} // prevent triggering slider movement in registerSliding
                    onClick={e => this.clearDoc(e, which)}>
                    <FontAwesomeIcon className={`clear-button ${which}`} icon="times" size="sm" />
                </div>
            );
        };
        const displayDoc = (which: string) => {
            const whichDoc = DocCast(this.dataDoc[which]);
            const targetDoc = DocCast(whichDoc?.annotationOn, whichDoc);
            return targetDoc ? (
                <>
                    <DocumentView
                        {...this.props}
                        Document={targetDoc}
                        DataDoc={undefined}
                        moveDocument={which.endsWith('1') ? this.moveDoc1 : this.moveDoc2}
                        removeDocument={which.endsWith('1') ? this.remDoc1 : this.remDoc2}
                        NativeWidth={returnZero}
                        NativeHeight={returnZero}
                        isContentActive={emptyFunction}
                        isDocumentActive={returnFalse}
                        whenChildContentsActiveChanged={this.whenChildContentsActiveChanged}
                        styleProvider={this._isAnyChildContentActive ? this.props.styleProvider : this.docStyleProvider}
                        hideLinkButton={true}
                        pointerEvents={this._isAnyChildContentActive ? undefined : returnNone}
                    />
                    {clearButton(which)}
                </> // placeholder image if doc is missing
            ) : (
                <div className="placeholder">
                    <FontAwesomeIcon className="upload-icon" icon="cloud-upload-alt" size="lg" />
                </div>
            );
        };
        const displayBox = (which: string, index: number, cover: number) => {
            return (
                <div className={`${index === 0 ? 'before' : 'after'}Box-cont`} key={which} style={{ width: this.props.PanelWidth() }} onPointerDown={e => this.registerSliding(e, cover)} ref={ele => this.createDropTarget(ele, which, index)}>
                    {displayDoc(which)}
                </div>
            );
        };

        return (
            <div className={`comparisonBox${this.props.isContentActive() ? '-interactive' : ''}` /* change className to easily disable/enable pointer events in CSS */}>
                {displayBox(`${this.fieldKey}_2`, 1, this.props.PanelWidth() - 3)}
                <div className="clip-div" style={{ width: this.clipWidth + '%', transition: this._animating, background: StrCast(this.layoutDoc._backgroundColor, 'gray') }}>
                    {displayBox(`${this.fieldKey}_1`, 0, 0)}
                </div>

                <div
                    className="slide-bar"
                    style={{
                        left: `calc(${this.clipWidth + '%'} - 0.5px)`,
                        cursor: this.clipWidth < 5 ? 'e-resize' : this.clipWidth / 100 > (this.props.PanelWidth() - 5) / this.props.PanelWidth() ? 'w-resize' : undefined,
                    }}
                    onPointerDown={e => !this._isAnyChildContentActive && this.registerSliding(e, this.props.PanelWidth() / 2)} /* if clicked, return slide-bar to center */
                >
                    <div className="slide-handle" />
                </div>
            </div>
        );
    }
}