1 files changed, 75 insertions, 0 deletions
diff --git a/animism-align/frontend/views/align/components/timeline.component.js b/animism-align/frontend/views/align/components/timeline.component.js
new file mode 100644
index 0000000..af3c57b
--- /dev/null
+++ b/animism-align/frontend/views/align/components/timeline.component.js
@@ -0,0 +1,75 @@
+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 Ticks from './ticks.component'
+
+import * as constants from '../constants'
+
+class Timeline extends Component {
+  constructor(props){
+    super(props)
+    this.canvasRef = React.createRef()
+    this.handleKeydown = this.handleKeydown.bind(this)
+  }
+  componentDidMount() {
+    this.bind()
+    this.resize()
+    this.draw()
+  }
+  componentDidUpdate() {
+    this.draw()
+  }
+  componentWillUnmount() {
+    this.unbind()
+  }
+  bind() {
+    document.addEventListener('keydown', this.handleKeydown)
+  }
+  unbind() {
+    document.removeEventListener('keydown', this.handleKeydown)
+  }
+  handleKeydown(e) {
+    // console.log(e.shiftKey, e.keyCode)
+  }
+  resize() {
+    const canvas = this.canvasRef.current
+    canvas.width = window.innerWidth
+    canvas.height = constants.DEFAULT_HEIGHT
+  }
+  draw() {
+    const canvas = this.canvasRef.current
+    const ctx = canvas.getContext('2d')
+    const w = window.innerWidth
+    this.clearCanvas(ctx, w)
+  }
+  clearCanvas(ctx, w) {  
+    const h = constants.WAVEFORM_HEIGHT
+    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)'
+  }
+  render() {
+    return (
+      <div className='timeline'>
+        <canvas ref={this.canvasRef} />
+        <Ticks timeline={this.props.timeline} />
+      </div>
+    )
+  }
+}
+
+const mapStateToProps = state => ({
+  timeline: state.align.timeline,
+})
+
+const mapDispatchToProps = dispatch => ({
+  // uploadActions: bindActionCreators({ ...uploadActions }, dispatch),
+})
+
+export default connect(mapStateToProps, mapDispatchToProps)(Timeline)