fixed sorting

Luciano/static/Scripts/construct.js

 /**
+ * Lambdas 
+ */
+var accessNumber = e => {
+    if (e.childElementCount == 0) return 0;
+    if (e.children[0].childElementCount == 0) return 0;
+    return e.children[0].children[0];
+}
+
+var getAncestorByAttribute = (elem,attr,val) => {
+    while (elem.getAttribute(attr) != val || elem == null) elem = elem.parentElement;
+    return elem;
+}
+
+/**
  * Armado de formulario 
  */
-function removeField(b){
-    while(b.getAttribute("name") != "Field") b = b.parentElement;
-    if(b.nodeElement == "body") return;
-    b.parentElement.removeChild(b);
+function removeTab(button){
+    let tabs = document.getElementById('tabs')
+    tabs.removeChild(
+        getAncestorByAttribute(button,'name','Tab')
+    )
+    if (tabs.childElementCount > 0){
+        document.getElementById("ContinuarText").style.display = 'none';
+        document.getElementById("ContinuarButton").style.display = 'none';
+    }
 }
 
-function addField(b){
+function addField(b,n){
     let newfield = document.createElement("div");
     newfield.setAttribute("name","Field");
     newfield.innerHTML = document.getElementById("fieldTemplate").innerHTML;
-    let tab = b.parentElement;
+    accessNumber(newfield).setAttribute("value",n);
     // swap
-    tab.removeChild(b);
+    let tab = b.parentElement;
     tab.appendChild(newfield);
     tab.appendChild(b);
 }
 
-function removeTab(b){
-    while(b.getAttribute("name") != "Tab") b = b.parentElement;
-    if(b.nodeElement == "body") return;
-    b.parentElement.removeChild(b);
-}
-
-function addTab(t){
+function addTab(t,n){
     document.getElementById("ContinuarText").style.display = 'block';
     document.getElementById("ContinuarButton").style.display = 'block';
     let newtab = document.createElement("div");
     newtab.setAttribute("name","Tab");
     newtab.innerHTML = document.getElementById("tabTemplate").innerHTML;
+    accessNumber(newtab).setAttribute("value",n);
     t.appendChild(newtab);
 }
 
 /**
  * Lectura de información y formateado
  */
-
 function processField(field){
     return {
         'Title' : field.children[0],
@@ -65,19 +78,19 @@ function generate(tabs){
     console.log(JSON.stringify(dict));
 }
 
-function sortTabs(){
-    let tabs = document.getElementById("tabs");
-    Array.from(tabs.children).sort( 
-        (a,b) => a.children[0].value < b.children[0].value ? -1 : a.children[0].value > b.children[0].value ? 1 : 0
+function sortChildren(container,number){
+    fixparse
+    Array.from(container.children).sort(
+        (a,b) => number(a).value < number(b).value ? -1 : number(a).value > number(b).value ? 1 : 0
     ).forEach(
         c => tabs.appendChild(c)
     )
 }
 
-function sortFields(tab){
-    Array.from(tab.children).sort( 
-        (a,b) => a.children[0].value < b.children[0].value ? -1 : a.children[0].value > b.children[0].value ? 1 : 0
-    ).forEach(
-        c => tabs.appendChild(c)
+function maxChild(container,number){
+    if (container.childElementCount == 0) return 1;
+    let max = Array.from(container.children).reduce(
+        (a,b) => number(a).value > number(b).value ? a : b
     )
+    return parseInt(number(max).value) == NaN ? 1 : parseInt(number(max).value) + 1;
 }
\ No newline at end of file

Luciano/templates/generate.html

@@ -18,7 +18,11 @@
     <br>
     <div id="tabs"></div>
     <div style="text-align: center;">
-        <button class="NewTabButton" onclick="addTab(document.getElementById('tabs'))">
+        <button class="NewTabButton" 
+            onclick="addTab(
+                document.getElementById('tabs'),
+                maxChild(document.getElementById('tabs'),accessNumber)
+            )">
             +
         </button>
     </div>
@@ -29,14 +33,18 @@
 <!-- templates -->
 <template id="tabTemplate">
     <div class="TabCards">
-        <input type="number" class="TabNumber">
+        <input type="number" class="TabNumber" onchange="sortChildren(document.getElementById('tabs'),accessNumber)">
         <input class="TabTitle" placeholder="Titulo del Tab" type="text">
         <button class="RemoveTabButton" onclick="removeTab(this)">
                 X
-    </button>
+        </button>
         <br>
         <div style="text-align: center;">
-            <button class="NewInputButton" onclick="addField(this)">
+            <button class="NewInputButton" 
+                onclick="addField(
+                    this,
+                    maxChild(getAncestorByAttribute(this,'name','Tab'),accessNumber)
+                )">
                 +
             </button>
         </div>
@@ -46,7 +54,11 @@
 <template id="fieldTemplate">
     <div class="InputContainer">
         
-        <input type="number" class="InputNumber">
+        <input type="number" class="InputNumber"
+            onchange="sortChildren(
+                getAncestorByAttribute(this,'name','Tab'),
+                accessNumber
+            )">
         <input type="text" id="Titulo" class="Input" placeholder="Título">
         
         <select name="input" class="Input">
@@ -61,7 +73,8 @@
             <option id="checkbox" value="checkbox">Selección</option>
         </select>
         Obligatorio : <input type="checkbox">
-        <button class="RemoveInputButton" onclick="removeField(this)">
+        <button class="RemoveInputButton" 
+            onclick="getAncestorByAttribute(this,'name','Tab').removeChild(getAncestorByAttribute(this,'name','Field'))">
             -
         </button>
     </div>