display the form

5 files changed, 289 insertions, 0 deletions

diff --git a/animism-align/frontend/views/align/components/timeline/cursor.component.js b/animism-align/frontend/views/align/components/timeline/cursor.component.js
new file mode 100644
index 0000000..f621b37
--- /dev/null
+++ b/animism-align/frontend/views/align/components/timeline/cursor.component.js
@@ -0,0 +1,26 @@
+import React, { Component } from 'react'
+
+import { ZOOM_STEPS } from '../../constants'
+import { timestamp } from '../../../../util'
+
+const Cursor = ({ timeline, annotation }) => {
+  const { start_ts, zoom, cursor_ts, duration } = timeline
+  const ts = annotation.start_ts || cursor_ts
+  const secondsPerPixel = ZOOM_STEPS[zoom] * 0.1
+  const y = (ts - start_ts) / secondsPerPixel
+  return (
+    <div
+      className='cursor'
+      style={{
+        top: y,
+      }}
+    >
+      <div className='line' />
+      <div className='tickLabel'>
+        {timestamp(ts, 1)}
+      </div>
+    </div>
+  )
+}
+
+export default Cursor
\ No newline at end of file
diff --git a/animism-align/frontend/views/align/components/timeline/playButton.component.js b/animism-align/frontend/views/align/components/timeline/playButton.component.js
new file mode 100644
index 0000000..486eaee
--- /dev/null
+++ b/animism-align/frontend/views/align/components/timeline/playButton.component.js
@@ -0,0 +1,31 @@
+import React, { Component } from 'react'
+// import { Link } from 'react-router-dom'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+
+import actions from '../../../../actions'
+// import * as alignActions from '../align.actions'
+
+import { ZOOM_STEPS } from '../../constants'
+import { clamp } from '../../../../util'
+
+const PlayButton = ({ audio }) => {
+  return (
+    <div
+      className={audio.playing ? 'playButton playing' : 'playButton paused'}
+      onClick={() => {
+        audio.playing ? actions.audio.pause() : actions.audio.play()
+      }}
+    />
+  )
+}
+
+const mapStateToProps = state => ({
+  audio: state.audio,
+})
+
+const mapDispatchToProps = dispatch => ({
+  // alignActions: bindActionCreators({ ...alignActions }, dispatch),
+})
+
+export default connect(mapStateToProps, mapDispatchToProps)(PlayButton)
diff --git a/animism-align/frontend/views/align/components/timeline/playCursor.component.js b/animism-align/frontend/views/align/components/timeline/playCursor.component.js
new file mode 100644
index 0000000..71e6a3a
--- /dev/null
+++ b/animism-align/frontend/views/align/components/timeline/playCursor.component.js
@@ -0,0 +1,43 @@
+import React, { Component } from 'react'
+// import { Link } from 'react-router-dom'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+
+import { ZOOM_STEPS } from '../../constants'
+import { timestamp } from '../../../../util'
+
+const PlayCursor = ({ timeline, audio }) => {
+  const { start_ts, zoom, duration } = timeline
+  const { play_ts } = audio
+  const secondsPerPixel = ZOOM_STEPS[zoom] * 0.1
+  const y = (play_ts - start_ts) / secondsPerPixel
+  // console.log(play_ts, y)
+  return (
+    <div
+      className='cursor playCursor'
+      style={{
+        top: y,
+      }}
+    >
+      <div className='line' />
+    </div>
+  )
+}
+
+/*
+      <div className='tickLabel'>
+        {timestamp(cursor_ts, 1)}
+      </div>
+
+*/
+
+const mapStateToProps = state => ({
+  timeline: state.align.timeline,
+  audio: state.audio,
+})
+
+const mapDispatchToProps = dispatch => ({
+  // alignActions: bindActionCreators({ ...alignActions }, dispatch),
+})
+
+export default connect(mapStateToProps, mapDispatchToProps)(PlayCursor)
diff --git a/animism-align/frontend/views/align/components/timeline/ticks.component.js b/animism-align/frontend/views/align/components/timeline/ticks.component.js
new file mode 100644
index 0000000..72f9bd0
--- /dev/null
+++ b/animism-align/frontend/views/align/components/timeline/ticks.component.js
@@ -0,0 +1,89 @@
+import React, { Component } from 'react'
+
+import { ZOOM_STEPS, ZOOM_LABEL_STEPS, ZOOM_TICK_STEPS } from '../../constants'
+import { timestamp } from '../../../../util'
+
+export default class Ticks extends Component {
+  render() {
+    let { start_ts, zoom, duration } = this.props.timeline
+    const width = window.innerHeight
+
+    let secondsPerPixel = ZOOM_STEPS[zoom] * 0.1 // 0.1 sec / step
+
+    let widthTimeDuration = width * secondsPerPixel // secs per pixel
+
+    let timeMin = start_ts
+    let timeMax = Math.min(start_ts + widthTimeDuration, duration)
+    let timeWidth = timeMax - timeMin
+
+    let pixelMin = timeMin / secondsPerPixel
+
+    let secondsPerLabel = ZOOM_LABEL_STEPS[zoom] // secs
+    let pixelsPerLabel = secondsPerLabel / secondsPerPixel
+    let secondsPerTick = ZOOM_TICK_STEPS[zoom]
+    let pixelsPerTick = secondsPerTick / secondsPerPixel
+
+    let startOffset = pixelsPerLabel - (pixelMin % pixelsPerLabel)
+    let startTiming = (pixelMin + startOffset) * secondsPerPixel
+
+    let labelCount = Math.ceil(width / pixelsPerLabel) + 1
+    let offset, timing, tickLabels = [], ticks = []
+    for (var i = -1; i < labelCount; i++) {
+      offset = i * pixelsPerLabel + startOffset
+      if (offset > width) continue
+      timing = i * secondsPerLabel + startTiming
+      if (timing > duration) {
+        break
+      }
+      tickLabels.push(
+        <div className='tickLabel' key={"tickLabel_" + i}
+          style={{
+            top: Math.floor(offset)
+          }}>
+          {timestamp(timing)}
+        </div>
+      )
+    }
+
+    let durationOffset = duration / secondsPerPixel - pixelMin
+    if (timing > duration) {
+      tickLabels.push(
+        <div className='tickLabel tickLabelTotal' key={"tickLabel_total"}
+          style={{
+            top: durationOffset
+          }}>
+          {timestamp(duration, 1)}
+        </div>
+      )
+      ticks.push(
+        <div className='tick' key={"tick_total"}
+          style={{
+            top: Math.floor(durationOffset),
+          }}
+        />
+      )
+    }
+    let tickCount = Math.ceil(width / pixelsPerTick) + 6
+    for (var i = 0; i < tickCount; i += 1) {
+      offset = i * pixelsPerTick + startOffset - pixelsPerLabel
+      if (offset > durationOffset) {
+        break
+      }
+      ticks.push(
+        <div className='tick' key={"tick_" + i}
+          style={{
+            top: Math.floor(offset),
+          }}
+        />
+      )
+    }
+    // console.log(ticks.length)
+
+    return (
+      <div className='ticks'>
+        {ticks}
+        {tickLabels}
+      </div>
+    )
+  }
+}
diff --git a/animism-align/frontend/views/align/components/timeline/waveform.component.js b/animism-align/frontend/views/align/components/timeline/waveform.component.js
new file mode 100644
index 0000000..128204a
--- /dev/null
+++ b/animism-align/frontend/views/align/components/timeline/waveform.component.js
@@ -0,0 +1,100 @@
+import React, { Component } from 'react'
+// import { Link } from 'react-router-dom'
+// import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+
+import actions from '../../../../actions'
+// import * as uploadActions from './upload.actions'
+
+import { WAVEFORM_SIZE, ZOOM_STEPS, ZOOM_LABEL_STEPS, ZOOM_TICK_STEPS } from '../../constants'
+
+class Waveform extends Component {
+  constructor(props){
+    super(props)
+    this.canvasRef = React.createRef()
+  }
+  componentDidMount() {
+    this.resize()
+    this.draw()
+  }
+  componentDidUpdate() {
+    this.draw()
+  }
+  resize() {
+    const canvas = this.canvasRef.current
+    canvas.width = WAVEFORM_SIZE
+    canvas.height = window.innerHeight
+  }
+  draw() {
+    const canvas = this.canvasRef.current
+    const ctx = canvas.getContext('2d')
+    const h = window.innerHeight
+    this.clearCanvas(ctx, h)
+    this.drawCurve(ctx, h)
+  }
+  clearCanvas(ctx, h) {  
+    const w = WAVEFORM_SIZE
+    ctx.clearRect(0, 0, w, h)
+    ctx.fillStyle = 'rgba(0,0,0,0.5)'
+    ctx.fillRect(0, 0, w, h)
+    ctx.fillStyle = 'rgba(64,128,192,0.5)'
+  }
+  drawCurve(ctx, h) {
+    let { peaks, timeline } = this.props
+    let { start_ts, zoom, duration } = timeline
+
+    let secondsPerPixel = ZOOM_STEPS[zoom] * 0.1 // 0.1 sec / step
+    let stepsPerPixel = ZOOM_STEPS[zoom] // 0.1 sec / step
+    let indexesPerPixel = stepsPerPixel * 2
+
+    let widthTimeDuration = h * secondsPerPixel // secs per pixel
+
+    let timeMin = start_ts
+    let timeMax = Math.min(start_ts + widthTimeDuration, duration)
+    let timeWidth = timeMax - timeMin
+
+    let stepMin = Math.floor(timeMin * 10 * 2)
+    let pixelWidth = Math.ceil(timeWidth / secondsPerPixel)
+
+    let i = 0
+    let step = stepMin
+    let waveformPeak = WAVEFORM_SIZE / 2
+    let origin = (1 - peaks[step]) * waveformPeak
+    let y
+    let peak
+    // console.log(0 * indexesPerPixel + stepMin, pixelWidth * indexesPerPixel + stepMin)
+    ctx.beginPath()
+    ctx.moveTo(origin, 0)
+    for (i = 0; i < pixelWidth; i++) {
+      step = i * indexesPerPixel + stepMin
+      peak = peaks[step]
+      y = (1 - peak) * waveformPeak
+      ctx.lineTo(y, i)
+    }
+    for (i = pixelWidth - 1; i > 0; i--) {
+      step = i * indexesPerPixel + stepMin
+      peak = peaks[step]
+      y = (1 + peak) * waveformPeak
+      ctx.lineTo(y, i)
+    }
+    ctx.lineTo(origin, 0)
+    ctx.fillStyle = 'rgba(255,255,255,0.8)'
+    ctx.fill()
+  }
+  render() {
+    return (
+      <canvas ref={this.canvasRef} onClick={this.props.onClick} />
+    )
+  }
+}
+
+const mapStateToProps = state => ({
+  timeline: state.align.timeline,
+  peaks: state.site.peaks,
+})
+
+const mapDispatchToProps = dispatch => ({
+  // uploadActions: bindActionCreators({ ...uploadActions }, dispatch),
+})
+
+export default connect(mapStateToProps, mapDispatchToProps)(Waveform)