add a number field

The field has three option :

- lesser or equal than. If null, this option is ignored ;
- greather or equal than. If null, this options is ignored ;
- precision : the number of decimal after the number ;
- text after the field : a text to show after the field.

The field is rendered as an HTML integer input if precision = 0, or a
symfony number field if precision > 0.

ref chill-project/Chill-CustomFields#11

Form/CustomFieldType.php

@@ -87,6 +87,7 @@ class CustomFieldType extends AbstractType
                 ->buildOptionsForm(
                     $builder
                          ->create('options', null, array('compound' => true))
+                         ->setRequired(false)
                     )
             );
     }

Form/Extension/PostTextExtension.php

@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * Copyright (C) 2015 Julien Fastré <julien.fastre@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\CustomFieldsBundle\Form\Extension;
+
+use Symfony\Component\Form\AbstractTypeExtension;
+use Symfony\Component\OptionsResolver\OptionsResolver;
+use Symfony\Component\Form\FormView;
+use Symfony\Component\Form\FormInterface;
+use Symfony\Component\PropertyAccess\PropertyAccess;
+
+/**
+ * This extension create the possibility to add some text
+ * after the input. 
+ * 
+ * This can be used to print the units of the field, or some text.
+ * 
+ * This class must be extended by Extension class specifics to each input.
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+abstract class PostTextExtension extends AbstractTypeExtension
+{
+    public function configureOptions(OptionsResolver $resolver)
+    {
+        $resolver->setDefined(array('post_text'));
+    }
+    
+    public function buildView(FormView $view, FormInterface $form, array $options)
+    {
+        if (array_key_exists('post_text', $options)) {
+            //set the post text variable to the view
+            $view->vars['post_text'] = $options['post_text'];
+        }
+    }
+
+}

Form/Extension/PostTextIntegerExtension.php

@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * Copyright (C) 2015 Julien Fastré <julien.fastre@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\CustomFieldsBundle\Form\Extension;
+
+use Symfony\Component\Form\Extension\Core\Type\IntegerType;
+
+/**
+ * This class add the PostTextExtension to integer fields
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class PostTextIntegerExtension extends PostTextExtension
+{
+    public function getExtendedType()
+    {
+        // return IntegerType::class;  !! only for symfony 2.8
+        return 'integer';
+    }
+
+}

Form/Extension/PostTextNumberExtension.php

@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * Copyright (C) 2015 Julien Fastré <julien.fastre@champs-libres.coop>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+namespace Chill\CustomFieldsBundle\Form\Extension;
+
+/**
+ * This class add the PostTextExtension to number fields
+ *
+ * @author Julien Fastré <julien.fastre@champs-libres.coop>
+ */
+class PostTextNumberExtension extends PostTextExtension
+{
+    public function getExtendedType()
+    {
+        return 'number';
+    }
+
+}