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
|
import React, { Component } from 'react'
import { connect } from 'react-redux'
import { useKeenSlider } from "app/utils/vendor/keen-slider/react"
import "keen-slider/keen-slider.min.css"
import { MediaCitation } from './media.citation'
import { Arrow } from 'app/views/viewer/nav/viewer.icons'
const SPACING = 15
const SLIDES_PER_VIEW = 2
// obnoxious i have to do this but the slideChanged function would be "different" otherwise
let slideChangedHook = slider => console.log(slider)
let slideChanged = slider => slideChangedHook(slider)
const CarouselContainer = ({ element, play_ts, media }) => {
const { image_order, caption_lookup } = media.settings
const [currentSlide, setCurrentSlide] = React.useState(0)
const [sliderRef, slider] = useKeenSlider({
slidesPerView: SLIDES_PER_VIEW,
mode: "free",
spacing: SPACING,
centered: true,
loop: false,
slideChanged: slideChanged,
})
slideChangedHook = s => {
setCurrentSlide(s.details().relativeSlide)
}
// step thru this carousel's timeline, which is ordered in reverse BTW
element.timeline.some(cue => {
if (cue.start_ts < play_ts && (play_ts - cue.start_ts) < 0.5) {
let slide_index = parseInt(cue.settings.frame_index)
if (cue.settings.half_frame) {
slide_index += 0.5
}
if (currentSlide < slide_index) {
setCurrentSlide(slide_index)
slider.moveToSlideRelative(slide_index)
}
return true
}
return false
})
const currentCaption = caption_lookup[image_order[currentSlide]]
return (
<Carousel
media={media}
slider={slider}
sliderRef={sliderRef}
currentSlide={currentSlide}
currentCaption={currentCaption}
/>
)
}
const CarouselComponent = ({ media, slider, sliderRef, currentSlide, currentCaption }) => {
const { image_order, display_lookup } = media.settings
return [
<div key={'carousel_' + media.id} ref={sliderRef} className='keen-slider carousel-items'>
{image_order.map((id, idx) => {
const image = display_lookup[id]
// console.log(image)
return (
<CarouselItem key={id} image={image} />
)
})}
</div>,
<MediaCitation key={'caption_' + media.id} media={(currentCaption && currentCaption.short_caption) ? currentCaption : media} />,
<CarouselNav
key={'arrows_' + media.id}
currentSlide={currentSlide}
slides={image_order}
onPrev={() => {
slider.prev()
}}
onNext={() => {
slider.next()
}}
onPick={index => {
slider.moveToSlideRelative(index)
}}
/>
]
}
const Carousel = React.memo(CarouselComponent)
const CarouselNav = ({ currentSlide, slides, onPrev, onNext, onPick }) => {
return (
<div className="carousel-nav">
<div
className={currentSlide ? "arrow-prev" : "arrow-prev arrow-disabled"}
onClick={e => {
e.stopPropagation()
onPrev()
}}
>
<Arrow type="left" />
</div>
<div
className={currentSlide < slides.length - 1 ? "arrow-next" : "arrow-next arrow-disabled"}
onClick={e => {
e.stopPropagation()
onNext()
}}
>
<Arrow type="right" />
</div>
<div className="dots">
{[...slides.keys()].map(idx => {
return (
<div
key={idx}
onClick={() => {
onPick(idx)
}}
className={"dot-item" + (currentSlide === idx ? " active" : "")}
>
<div className="dot-circle" />
</div>
)
})}
</div>
</div>
)
}
const CarouselItem = ({ image }) => {
return (
<div className='keen-slider__slide carousel-item' style={{
backgroundImage: 'url(' + image.url + ')',
}} />
)
}
const mapStateToProps = state => ({
play_ts: state.audio.play_ts,
})
export default connect(mapStateToProps)(CarouselContainer)
|
