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import React, { PureComponent } from 'react'
import { bindActionCreators } from 'redux'
import { connect } from 'react-redux'
import actions from 'app/actions'
import { ZOOM_STEPS, INNER_HEIGHT } from 'app/constants'
import { clamp } from 'app/utils'
import { positionToTime, timeToPosition } from 'app/utils/align.utils'
import { AnnotationElementLookup } from './annotationTypes'
class AnnotationIndex extends PureComponent {
state = {
items: [],
}
constructor(props){
super(props)
this.handleClick = this.handleClick.bind(this)
}
componentDidUpdate(prevProps) {
if (this.props.index.loading) return
if (prevProps.timeline !== this.props.timeline || prevProps.index !== this.props.index) {
this.update()
}
}
update() {
let { timeline, index } = this.props
let { start_ts, zoom, duration } = this.props.timeline
const { order, lookup } = index
let secondsPerPixel = ZOOM_STEPS[zoom] * 0.1 // 0.1 sec / step
let widthTimeDuration = INNER_HEIGHT * secondsPerPixel // secs per pixel
let timeMin = start_ts - 60.0
let timeMax = Math.min(start_ts + widthTimeDuration, duration)
const items = order.filter(id => {
const { start_ts: ts } = lookup[id]
return (timeMin < ts && ts < timeMax)
}).map(id => lookup[id])
this.setState({ items })
}
handleClick(e, annotation) {
e.stopPropagation()
if (!annotation) return
if (e.shiftKey) {
e.preventDefault()
this.handleParagraphSelection(annotation, e.metaKey)
}
actions.audio.seek(annotation.start_ts)
actions.align.setSelectedAnnotation(annotation)
}
handleParagraphSelection(annotation, shouldClear) {
const { selected_paragraph_id } = this.props.timeline
if (!selected_paragraph_id || selected_paragraph_id === -1 || shouldClear) {
if (annotation.paragraph_id && !shouldClear) {
actions.align.setSelectedParagraph(annotation.paragraph_id)
} else {
actions.paragraph.create({
type: 'paragraph',
start_ts: annotation.start_ts,
}).then(data => {
actions.align.setSelectedParagraph(data.res.id)
annotation.paragraph_id = data.res.id
actions.annotation.update(annotation)
})
}
} else if (selected_paragraph_id !== annotation.paragraph_id) {
annotation.paragraph_id = selected_paragraph_id
actions.annotation.update(annotation)
}
}
handleDoubleClick(e, annotation) {
e.stopPropagation()
actions.align.showEditAnnotationForm(annotation)
}
render() {
const { timeline, media, annotationInForm, selectedAnnotation } = this.props
const { start_ts, zoom, selected_annotation_id } = timeline
const { items } = this.state
const className = (zoom < 2)
? 'annotationIndex'
: (zoom < 3)
? 'annotationIndex condensed'
: 'annotationIndex collapsed'
return (
<div className={className}>
{items.map(annotation => {
if (annotationInForm && annotation.id === annotationInForm.id) {
return null
}
if (annotation.id === selected_annotation_id) {
annotation = selectedAnnotation
}
const { id, type, start_ts } = annotation
const AnnotationElement = AnnotationElementLookup[type]
const y = timeToPosition(start_ts, timeline)
return (
<AnnotationElement
key={id}
y={y}
selected={annotation.id === selected_annotation_id}
annotation={annotation}
media={media}
timeline={timeline}
onClick={this.handleClick}
onDoubleClick={this.handleDoubleClick}
/>
)
})}
</div>
)
}
}
const mapStateToProps = state => ({
timeline: state.align.timeline,
annotationInForm: state.align.annotation,
selectedAnnotation: state.align.selectedAnnotation,
index: state.annotation.index,
media: state.media.index.lookup,
})
export default connect(mapStateToProps)(AnnotationIndex)
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