From fcaea36c692866450660f35317a06dacb9a20923 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stephan=20B=C3=B6sch-Plepelits?= <skunk@cg.tuwien.ac.at>
Date: Fri, 25 Jan 2019 14:12:44 +0100
Subject: [PATCH] New module 'nominatim-search'

---
 src/index.js             |  3 +-
 src/nominatim-search.css | 13 +++++++
 src/nominatim-search.js  | 84 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 99 insertions(+), 1 deletion(-)
 create mode 100644 src/nominatim-search.css
 create mode 100644 src/nominatim-search.js

diff --git a/src/index.js b/src/index.js
index 57aa2e2a..4ddd7ce0 100644
--- a/src/index.js
+++ b/src/index.js
@@ -34,7 +34,8 @@ require('./wikipedia')
 require('./image')
 require('./addCategories')
 require('./permalink')
-require('./leaflet-geo-search')
+//require('./leaflet-geo-search')
+require('./nominatim-search')
 let exportAll = require('./exportAll')
 
 window.onload = function () {
diff --git a/src/nominatim-search.css b/src/nominatim-search.css
new file mode 100644
index 00000000..4eeb24c7
--- /dev/null
+++ b/src/nominatim-search.css
@@ -0,0 +1,13 @@
+.nominatim-search input {
+  display: block;
+  width: 100%;
+  box-sizing: border-box;
+}
+.nominatim-search ul {
+  margin: 0 0.5em;
+  padding-left: 0;
+}
+.nominatim-search ul li {
+  margin: 0.5em 0;
+  list-style: none;
+}
diff --git a/src/nominatim-search.js b/src/nominatim-search.js
new file mode 100644
index 00000000..6b986ab3
--- /dev/null
+++ b/src/nominatim-search.js
@@ -0,0 +1,84 @@
+const tabs = require('modulekit-tabs')
+const httpGet = require('./httpGet')
+require('./nominatim-search.css')
+
+let tab
+let input
+let domResults
+
+function show (data) {
+  while(domResults.lastChild) {
+    domResults.removeChild(domResults.lastChild)
+  }
+
+  data.forEach(
+    entry => {
+      let a = document.createElement('a')
+      a.appendChild(document.createTextNode(entry.display_name))
+
+      a.href = '#'
+      a.onclick = () => {
+        let bounds = new L.LatLngBounds(
+          L.latLng(entry.boundingbox[0], entry.boundingbox[2]),
+          L.latLng(entry.boundingbox[1], entry.boundingbox[3])
+        )
+
+        global.map.fitBounds(bounds, { animate: true })
+
+        return false
+      }
+
+      let li = document.createElement('li')
+      li.appendChild(a)
+      
+      domResults.appendChild(li)
+    }
+  )
+}
+
+function search (str) {
+  httpGet(
+    'https://nominatim.openstreetmap.org/search?format=json&q=' + encodeURIComponent(str),
+    {},
+    (err, result) => {
+      if (err) {
+        return alert(err)
+      }
+
+      let data = JSON.parse(result.body)
+      show(data)
+    }
+  )
+}
+
+register_hook('init', function () {
+  tab = new tabs.Tab({
+    id: 'search'
+  })
+  tab.content.classList.add('nominatim-search')
+  global.tabs.add(tab)
+
+  tab.header.innerHTML = '<i class="fa fa-search" aria-hidden="true"></i>'
+  tab.header.title = lang('search')
+
+  let input = document.createElement('input')
+  let inputTimer
+  input.type = 'text'
+  input.addEventListener('input', () => {
+    if (inputTimer) {
+      global.clearTimeout(inputTimer)
+    }
+
+    inputTimer = global.setTimeout(
+      () => search(input.value),
+      300
+    )
+  })
+
+  tab.content.appendChild(input)
+
+  domResults = document.createElement('ul')
+  tab.content.appendChild(domResults)
+
+  tab.on('select', () => input.focus())
+})