1 files changed, 73 insertions, 0 deletions
diff --git a/src/js/temperature.js b/src/js/temperature.js
new file mode 100644
index 0000000..45cbe8c
--- /dev/null
+++ b/src/js/temperature.js
@@ -0,0 +1,73 @@
+var left = 22;
+var right = 22;
+
+var lowTemperature = 15;
+var hiTemperature = 30;
+var temperatures = [];
+
+var isScrolling;
+var elementHeight;
+
+function createTemperatureElement() {
+    var element = document.createElement('div');
+    element.classList = ['temperature'];
+    element.style.height = elementHeight+'px';
+    element.style.lineHeight = elementHeight+'px';
+    return element;
+}
+
+function update(node, index) {
+    node.scrollTop = index*elementHeight;
+
+    for( var i=0; i<node.children.length; i++) {
+        node.children[i].setAttribute('enabled',false);
+    }
+    node.children[index].setAttribute('enabled', true);
+}
+
+module.exports = {
+    left: function(node) {
+        clearTimeout(isScrolling);
+
+        isScrolling = setTimeout(function(){
+            var index = Math.round(node.scrollTop/elementHeight);
+            left = temperatures[index];
+            update(node, index);
+            console.log('LEFT', left);
+        }, 100);
+    },
+    right: function(node) {
+        clearTimeout(isScrolling);
+
+        isScrolling = setTimeout(function(){
+            var index = Math.round(node.scrollTop/elementHeight);
+            right = temperatures[index];
+            update(node, index);
+            console.log('RIGHT', right);
+        }, 100);
+    },
+    init: function() {
+        var leftTemperature = document.getElementById('lefttemperature');
+        var rightTemperature = document.getElementById('righttemperature');
+        elementHeight = leftTemperature.offsetHeight/2;
+
+        for( var i=lowTemperature; i<=hiTemperature; i++) {
+            var element = createTemperatureElement();
+            if( i === lowTemperature) {
+                element.innerHTML = 'LO';
+            } else if( i === hiTemperature ) {
+                element.innerHTML = 'HI';
+            } else {
+                element.innerHTML = i+'º';
+            }
+            leftTemperature.appendChild(element);
+            rightTemperature.appendChild(element.cloneNode(true));
+            temperatures[temperatures.length] = i;
+        }
+        leftTemperature.appendChild(createTemperatureElement());
+        rightTemperature.appendChild(createTemperatureElement());
+
+        update(leftTemperature, temperatures.indexOf(left));
+        update(rightTemperature, temperatures.indexOf(right));
+    }
+}
+\ No newline at end of file