Added result pasting into calculated field

+ minor corrections

Author: TerribleCoding

README.md

@@ -66,7 +66,7 @@ Note: _The order of this list might not match the order these features will be a
 
 _Release date: ???????????????????????_
 
-_Work Time: 6h 40min_
+_Work Time: 7h_
 
 - 
 

pages/common.js

@@ -188,6 +188,7 @@ function Traction() {
 
 var editor = document.querySelector('#calc');
 var property = document.querySelector('#var');
+var dataInput;
 var textfield = document.querySelector('#expression');
 var result = document.querySelector('#result num');
 var icons = document.querySelectorAll('#result icon > *');
@@ -198,7 +199,6 @@ var errors = {
     syntax: 'Syntax error detected.'
 }
 
-
 function openEditor() {
     editor.style.display = 'grid';
 }
@@ -215,9 +215,11 @@ function addEquationKeyListeners() {
 function openEditorForVariable(event) {
     // press '=' to open editor when closed and focus on textfield
     if (event.key == '=' && editor.style.display == 'none') {
+        dataInput = event.target;
         property.innerHTML = event.target.parentNode.previousElementSibling.innerHTML;
-        textfield.value = '';
+        textfield.value = dataInput.value;
         textfield.focus();
+        result.innerText = '0';
         openEditor();
     }
 }
@@ -275,3 +277,9 @@ function checkErrors(event) {
     }
 }
 
+// paste result in the field if confirmed
+button.addEventListener('click', function() {
+    dataInput.value = result.innerText;
+    closeEditor();
+    dataInput.focus();
+});

pages/cylinder.html

@@ -144,7 +144,6 @@ <h4>Expression editor</h4>
                     </span>
                 </p>
                 <button style="display: block; margin: auto;"><i class="fi-rr-check"></i>Use result</button>
-                <!-- <button><i class="fi-rr-cross"></i>Discard</button> -->
             </div>
         </div>
     </div>