Implemented click on CSK on train search page

train.js

@@ -8,6 +8,8 @@ function goToTrain(number) {
 	window.location.href = url.toString()
 }
 
+var focusedElement = null
+
 var _rebuildDebounce = null
 var _rebuildRequested = false
 function rebuildSuggestions() {
@@ -55,6 +57,9 @@ function rebuildSuggestions() {
 					onAction(e)
 				}
 			})
+			suggestionLi.addEventListener('focus', function (e) {
+				focusedElement = suggestionLi
+			})
 
 			var trainNameP = document.createElement('p')
 			suggestionLi.appendChild(trainNameP)
@@ -82,12 +87,26 @@ function lsk() {
 	document.getElementById('trainNumber').focus()
 }
 
+function csk() {
+	if (focusedElement == null) {
+		return
+	}
+
+	if (focusedElement.id === 'trainNumber') {
+		goToTrain(document.activeElement.value.trim())
+	}
+	else {
+		focusedElement.click()
+	}
+}
+
 window.addEventListener('load', function (e) {
 	var trainNumber = document.getElementById('trainNumber')
 	trainNumber.addEventListener('input', function (e) {
 		rebuildSuggestions()
 	})
 	trainNumber.addEventListener('focus', function (e) {
+		focusedElement = trainNumber
 		document.getElementsByClassName('lsk')[0].textContent = ''
 		document.getElementsByClassName('csk')[0].textContent = 'Search'
 	})
@@ -106,10 +125,18 @@ window.addEventListener('load', function (e) {
 			lsk()
 		})
 	})
+	document.querySelectorAll('.csk').forEach(function (cskElem) {
+		cskElem.addEventListener('click', function (e) {
+			csk()
+		})
+	})
 	document.body.addEventListener('keydown', function (e) {
 		if (e.key == 'SoftLeft') {
 			lsk()
 		}
+		else if (e.key == 'Enter') {
+			csk()
+		}
 	})
 
 	fetch('https://scraper.infotren.dcdev.ro/v2/trains')