Row edit and delete card working

app/Tables/Column.php

@@ -10,13 +10,6 @@ use MightyPork\Utils\Utils;
 /**
  * Helper class representing one column in a data table.
  *
- * @property-read string $id
- * @property-read string $type
- * @property-read string $name
- * @property-read string $title
- * @property-read bool $isNew
- * @property-read bool $toRemove
- *
  * @property-read bool $id_modified
  * @property-read bool $type_modified
  * @property-read bool $name_modified
@@ -33,16 +26,18 @@ class Column implements JsonSerializable, Arrayable
         'int', 'bool', 'float', 'string'
     ];
 
-    private $id;
-    private $type;
-    private $name;
-    private $title;
+    // marked public to make keyBy() work
+
+    public $id;
+    public $type;
+    public $name;
+    public $title;
 
     /** @var bool - column is marked to be deleted by a changeset */
-    private $toRemove = false;
+    public $toRemove = false;
 
     /** @var bool - column is new in this changeset */
-    private $isNew = false;
+    public $isNew = false;
 
     /** @var array - original attrib values if edited in a changeset */
     private $orig_attribs = [];
@@ -83,10 +78,6 @@ class Column implements JsonSerializable, Arrayable
 
     public function __get($name)
     {
-        if (property_exists($this, $name)) {
-            return $this->$name;
-        }
-
         if (ends_with($name, '_modified')) {
             $basename = str_replace('_modified', '', $name);
             if (property_exists($this, $basename)) {
@@ -177,20 +168,24 @@ class Column implements JsonSerializable, Arrayable
     {
         switch ($this->type) {
             case 'int':
+                if (is_null($value)) return 0;
                 if (is_int($value)) return $value;
                 if (is_float($value)) return round($value);
                 if (is_numeric($value)) return intval($value);
                 throw new NotApplicableException("Could not convert value \"$value\" to int!");
 
             case 'float':
+                if (is_null($value)) return 0;
                 if (is_int($value) || is_float($value)) return (float)$value;
                 if (is_numeric($value)) return floatval($value);
                 throw new NotApplicableException("Could not convert value \"$value\" to float!");
 
             case 'bool':
+                if (is_null($value)) return false;
                 return Utils::parseBool($value);
 
             case 'string':
+                if (is_null($value)) return "";
                 return "$value";
 
             default: