stub of the row editor

app/Tables/Column.php

@@ -1,9 +1,8 @@
 <?php
 
-
 namespace App\Tables;
 
-
+use Illuminate\Contracts\Support\Arrayable;
 use JsonSerializable;
 use MightyPork\Exceptions\NotApplicableException;
 use MightyPork\Utils\Utils;
@@ -15,8 +14,20 @@ use MightyPork\Utils\Utils;
  * @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
+ * @property-read bool $title_modified
+ *
+ * @property-read string $id_orig
+ * @property-read string $type_orig
+ * @property-read string $name_orig
+ * @property-read string $title_orig
  */
-class Column implements JsonSerializable
+class Column implements JsonSerializable, Arrayable
 {
     const colTypes = [
         'int', 'bool', 'float', 'string'
@@ -27,6 +38,76 @@ class Column implements JsonSerializable
     private $name;
     private $title;
 
+    /** @var bool - column is marked to be deleted by a changeset */
+    private $toRemove = false;
+
+    /** @var bool - column is new in this changeset */
+    private $isNew = false;
+
+    /** @var array - original attrib values if edited in a changeset */
+    private $orig_attribs = [];
+    /** @var array - list of attrib names that are modified by a changeset */
+    private $modified_attribs = [];
+
+    /**
+     * Mark for removal (used in editing GUI)
+     */
+    public function markForRemoval()
+    {
+        $this->toRemove = true;
+    }
+
+    /**
+     * Mark this column as new
+     */
+    public function markAsNew()
+    {
+        $this->isNew = true;
+    }
+
+    /**
+     * Modify by a changeset
+     *
+     * @param array $columnObject
+     */
+    public function modifyByChangeset(array $columnObject)
+    {
+        foreach ((array)$columnObject as $key => $value) {
+            if ($value != $this->$key) {
+                $this->modified_attribs[] = $key;
+                $this->orig_attribs[] = $this->$key;
+                $this->$key = $value;
+            }
+        }
+    }
+
+    public function __get($name)
+    {
+        if (property_exists($this, $name)) {
+            return $this->$name;
+        }
+
+        if (ends_with($name, '_modified')) {
+            $basename = str_replace('_modified', '', $name);
+            if (property_exists($this, $basename)) {
+                return in_array($basename, $this->modified_attribs);
+            }
+        }
+
+        if (ends_with($name, '_orig')) {
+            $basename = str_replace('_orig', '', $name);
+            if (property_exists($this, $basename)) {
+                return $this->orig_attribs[$basename];
+            }
+        }
+
+        throw new NotApplicableException("No such column property: $name");
+    }
+
+    /**
+     * @param $columns
+     * @return Column[]
+     */
     public static function columnsFromJson($columns)
     {
         if (is_string($columns)) {
@@ -73,15 +154,6 @@ class Column implements JsonSerializable
         $this->title = $b->title ?: $b->name;
     }
 
-    public function __get($name)
-    {
-        if (property_exists($this, $name)) {
-            return $this->$name;
-        }
-
-        throw new NotApplicableException("No such column property: $name");
-    }
-
     /**
      * @return array with keys {name, title, type}
      */