Return all possible form context attributes.

Additional attributes could be for e.g. useful in custom widgets.

src/View/Form/ArrayContext.php

@@ -316,9 +316,8 @@ class ArrayContext implements ContextInterface
         if ($schema === null) {
             $schema = Hash::get($this->_context['schema'], $this->stripNesting($field));
         }
-        $allowed = ['length' => null, 'precision' => null];
 
-        return array_intersect_key((array)$schema, $allowed);
+        return (array)$schema;
     }
 
     /**

src/View/Form/EntityContext.php

@@ -711,10 +711,7 @@ class EntityContext implements ContextInterface
             return [];
         }
 
-        $column = (array)$table->getSchema()->getColumn(array_pop($parts));
-        $allowed = ['length' => null, 'precision' => null];
-
-        return array_intersect_key($column, $allowed);
+        return (array)$table->getSchema()->getColumn(array_pop($parts));
     }
 
     /**

src/View/Form/FormContext.php

@@ -202,10 +202,7 @@ class FormContext implements ContextInterface
      */
     public function attributes(string $field): array
     {
-        $column = (array)$this->_form->getSchema()->field($field);
-        $allowed = ['length' => null, 'precision' => null];
-
-        return array_intersect_key($column, $allowed);
+        return (array)$this->_form->getSchema()->field($field);
     }
 
     /**

tests/TestCase/View/Form/ArrayContextTest.php

@@ -291,11 +291,11 @@ class ArrayContextTest extends TestCase
                 ],
             ],
         ]);
-        $this->assertEquals([], $context->attributes('Comments.id'));
-        $this->assertEquals(['length' => 25], $context->attributes('Comments.0.tags'));
-        $this->assertEquals(['length' => 255], $context->attributes('Comments.comment'));
-        $this->assertEquals(['precision' => 2, 'length' => 5], $context->attributes('Comments.decimal'));
-        $this->assertEquals(['precision' => 2, 'length' => 5], $context->attributes('Comments.floaty'));
+        $this->assertEquals(['type' => 'integer'], $context->attributes('Comments.id'));
+        $this->assertEquals(['length' => 25, 'type' => 'string'], $context->attributes('Comments.0.tags'));
+        $this->assertEquals(['length' => 255, 'type' => 'string'], $context->attributes('Comments.comment'));
+        $this->assertEquals(['precision' => 2, 'length' => 5, 'type' => 'decimal'], $context->attributes('Comments.decimal'));
+        $this->assertEquals(['precision' => 2, 'length' => 5, 'type' => 'float'], $context->attributes('Comments.floaty'));
     }
 
     /**

tests/TestCase/View/Form/EntityContextTest.php

@@ -395,7 +395,10 @@ class EntityContextTest extends TestCase
         $this->assertSame('string', $context->type('99.title'));
         $this->assertNull($context->type('0.nope'));
 
-        $expected = ['length' => 255, 'precision' => null];
+        $expected = [
+            'length' => 255, 'precision' => null, 'type' => 'string',
+            'null' => null, 'default' => null, 'comment' => null, 'collate' => null,
+        ];
         $this->assertEquals($expected, $context->attributes('0.user.username'));
     }
 
@@ -1117,22 +1120,26 @@ class EntityContextTest extends TestCase
         ]);
 
         $expected = [
-            'length' => 255, 'precision' => null,
+            'length' => 255, 'precision' => null, 'type' => 'string',
+            'null' => null, 'default' => null, 'comment' => null, 'collate' => null,
         ];
         $this->assertEquals($expected, $context->attributes('title'));
 
         $expected = [
-            'length' => null, 'precision' => null,
+            'length' => null, 'precision' => null, 'type' => 'crazy_text',
+            'null' => null, 'default' => null, 'comment' => null,
         ];
         $this->assertEquals($expected, $context->attributes('body'));
 
         $expected = [
-            'length' => 10, 'precision' => 3,
+            'length' => 10, 'precision' => 3, 'type' => 'decimal',
+            'null' => null, 'default' => null, 'comment' => null, 'unsigned' => null,
         ];
         $this->assertEquals($expected, $context->attributes('user.rating'));
 
         $expected = [
-            'length' => 11, 'precision' => null,
+            'length' => 11, 'precision' => null, 'type' => 'integer',
+            'null' => false, 'default' => null, 'comment' => null, 'unsigned' => null, 'autoIncrement' => null,
         ];
         $this->assertEquals($expected, $context->attributes('tags.0._joinData.article_id'));
     }

tests/TestCase/View/Form/FormContextTest.php

@@ -232,8 +232,14 @@ class FormContextTest extends TestCase
             'entity' => $form,
         ]);
         $this->assertEquals([], $context->attributes('id'));
-        $this->assertEquals(['length' => 10, 'precision' => null], $context->attributes('email'));
-        $this->assertEquals(['precision' => 2, 'length' => 5], $context->attributes('amount'));
+        $this->assertEquals(
+            ['length' => 10, 'precision' => null, 'type' => 'string', 'default' => null],
+            $context->attributes('email')
+        );
+        $this->assertEquals(
+            ['precision' => 2, 'length' => 5, 'type' => 'decimal', 'default' => null],
+            $context->attributes('amount')
+        );
     }
 
     /**