begin geocode client

3 files changed, 234 insertions, 0 deletions

diff --git a/client/geocode/autocomplete.component.js b/client/geocode/autocomplete.component.js
new file mode 100644
index 00000000..12419cf1
--- /dev/null
+++ b/client/geocode/autocomplete.component.js
@@ -0,0 +1,208 @@
+import React, { Component } from 'react'
+// import PropTypes from 'prop-types'
+import { bindActionCreators } from 'redux'
+import { connect } from 'react-redux'
+
+function formatLabel(label, value) {
+  if (!value) {
+    return label
+  }
+  let len = 0
+  return (
+    <span>
+    {
+      label.split(new RegExp(value.replace(/[-\[\]\(\)\+\*\\\^\$\{\}\.\?\&\|\<\>]/g, ''), "i")) // eslint-disable-line
+        .reduce((prev, current, i) => {
+          if (!i) {
+            len += current.length
+            return [current]
+          }
+          const ret = prev.concat(<b key={i}>{label.substr(len, value.length)}</b>, current)
+          len += value.length + current.length
+          return ret
+        }, [])
+    }
+    </span>
+  )
+}
+
+function sanitizeForAutocomplete(s) {
+  return (s || "")
+    .toLowerCase()
+    .replace(/[^a-zA-Z0-9 ]/g, '')
+    .trim()
+    .replace(/\\/g, '')
+}
+
+class Autocomplete extends Component {
+  constructor(props) {
+    super()
+    this.state = {
+      q: props.q || "",
+      selected: 0,
+      matches: []
+    }
+    this.handleKeyDown = this.handleKeyDown.bind(this)
+    this.handleChange = this.handleChange.bind(this)
+    this.handleCancel = this.handleCancel.bind(this)
+  }
+
+  componentWillMount() {
+    // build index based on what's in the hierarchy
+    const { nodes } = this.props.hierarchy
+    let index = []
+    this.index = index
+    Object.keys(nodes).forEach(key => {
+      const node = nodes[key]
+      if (!key || !node || !node.name || !node.parent) return
+      let { name } = node
+      let prefixName = name
+      if (node.is_attribute) {
+        const parent = nodes[node.parent]
+        if (parent) {
+          prefixName = parent.name + " (" + name + ")"
+        }
+      }
+      index.push([sanitizeForAutocomplete(prefixName), name, node.id])
+      node.synonyms
+        .split("\n")
+        .map(word => word = word.trim())
+        .filter(word => !!word)
+        .forEach(word => index.push([prefixName, name, node.id]))
+    })
+  }
+
+  handleKeyDown(e) {
+    let id
+    switch (e.keyCode) {
+      case 27: // escape
+        e.preventDefault()
+        this.handleCancel()
+        break
+      case 37: // left
+      case 38: // up
+        e.preventDefault()
+        this.setState({
+          selected: (this.state.matches.length + this.state.selected - 1) % this.state.matches.length
+        })
+        return false
+      case 39: // right
+      case 40: // down
+        e.preventDefault()
+        this.setState({
+          selected: (this.state.selected + 1) % this.state.matches.length
+        })
+        return false
+      case 13: // enter
+        id = this.state.matches[this.state.selected]
+        e.preventDefault()
+        this.handleSelect(id)
+        return false
+      default:
+        break
+    }
+  }
+
+  handleChange(e) {
+    // search for the given string in our index
+    const q = e.target.value
+    let value = sanitizeForAutocomplete(q)
+    if (!value.length) {
+      this.setState({
+        q,
+        selected: 0,
+        matches: [],
+      })
+      return
+    }
+    const re = new RegExp(value)
+    let matches = []
+    let seen = {}
+    this.index.forEach(pair => {
+      if (seen[pair[2]]) return
+      if (pair[0].match(re)) {
+        seen[pair[2]] = true
+        if (pair[1].indexOf(value) === 0) {
+          matches.unshift(pair[2])
+        } else {
+          matches.push(pair[2])
+        }
+      }
+    })
+    this.setState({
+      q,
+      selected: 0,
+      matches: matches.slice(0, 10),
+    })
+  }
+
+  handleSelect(id) {
+    const { nodes } = this.props.hierarchy
+    const node = nodes[id]
+    if (this.props.onSelect) this.props.onSelect(node)
+    this.setState({ q: "", selected: 0, matches: [] })
+  }
+
+  handleCancel() {
+    if (this.props.onCancel) this.props.onCancel()
+    this.setState({ q: "", selected: 0, matches: [] })
+  }
+
+  render() {
+    // const suggestions = this.state.suggestions.map((suggestion))
+    const { nodes } = this.props.hierarchy
+    const { q, selected } = this.state
+    const matches = this.state.matches.map((match, i) => {
+      const node = nodes[match]
+      const parent = nodes[node.parent]
+      let label
+      if (node.is_attribute) {
+        label = (
+          <span>
+            {formatLabel(parent.name, q)}
+            {' '}<small>{'('}{formatLabel(node.name, q)}{')'}</small>
+          </span>
+        )
+      } else {
+        label = formatLabel(node.name, q)
+      }
+      return (
+        <div
+          key={i}
+          className={selected === i ? 'selected' : ''}
+          onClick={() => this.handleSelect(node.id)}
+          onMouseEnter={() => this.setState({ selected: i })}
+        >
+          {label}
+        </div>
+      )
+    })
+    return (
+      <div className="autocomplete">
+        <input
+          type="text"
+          name="q"
+          value={this.state.q}
+          onKeyDown={this.handleKeyDown}
+          onChange={this.handleChange}
+          autoFocus
+          autoCapitalize="off"
+          autoComplete="off"
+          placeholder="Start typing a name"
+        />
+        <div className="matches">
+          {matches}
+        </div>
+      </div>
+    )
+  }
+}
+
+const mapStateToProps = (state, ownProps) => ({
+  onSelect: ownProps.onSelect,
+})
+
+const mapDispatchToProps = (dispatch) => ({
+})
+
+export default connect(mapStateToProps, mapDispatchToProps)(Autocomplete)
diff --git a/client/geocode/geocode.component.js b/client/geocode/geocode.component.js
new file mode 100644
index 00000000..a6766bec
--- /dev/null
+++ b/client/geocode/geocode.component.js
@@ -0,0 +1,16 @@
+import React, { Component } from 'react'
+
+import Autocomplete from './autocomplete.component'
+
+class GeocodeContainer extends Component {
+  render() {
+    // const { } = this.props
+    return (
+      <div className=''>
+      </div>
+    )
+  }
+}
+
+
+export default GeocodeContainer
diff --git a/client/geocode/index.js b/client/geocode/index.js
new file mode 100644
index 00000000..4f0da3f6
--- /dev/null
+++ b/client/geocode/index.js
@@ -0,0 +1,10 @@
+import React from 'react'
+import ReactDOM from 'react-dom'
+
+// import { toArray } from '../util'
+
+import GeocodeContainer from './autocomplete.component'
+
+ReactDOM.render(
+  <GeocodeContainer />, document.querySelector('#container')
+)