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Fabien Potencier 5e0823c99c merged branch bschussek/issue1919 (PR #3156)
Commits
-------

8dc78bd [Form] Fixed YODA issues
600cec7 [Form] Added missing entries to CHANGELOG and UPGRADE
b154f7c [Form] Fixed docblock and unneeded use statement
399af27 [Form] Implemented checks to assert that values and indices generated in choice lists match their requirements
5f6f75c [Form] Fixed outstanding issues mentioned in the PR
7c70976 [Form] Fixed text in UPGRADE file
c26b47a [Form] Made query parameter name generated by ORMQueryBuilderLoader unique
18f92cd [Form] Fixed double choice fixing
f533ef0 [Form] Added ChoiceView class for passing choice-related data to the view
d72900e [Form] Incorporated changes suggested in PR comments
28d2f6d Removed duplicated lines from UPGRADE file
e1fc5a5 [Form] Restricted form names to specific characters to (1) fix generation of HTML IDs and to (2) avoid problems with property paths.
87b16e7 [Form] Greatly improved ChoiceListInterface and all of its implementations

Discussion
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[Form] Improved ChoiceList implementation and made form naming more restrictive

Bug fix: yes
Feature addition: yes
Backwards compatibility break: **yes**
Symfony2 tests pass: yes
Fixes the following tickets: #2869, #3021, #1919, #3153
Todo: adapt documentation

![Travis Build Status](https://secure.travis-ci.org/bschussek/symfony.png?branch=issue1919)

The changes in this PR are primarily motivated by the fact that invalid form/field names lead to various problems.

1. When a name contains any characters that are not permitted in HTML "id" attributes, these are invalid
2. When a name contains periods ("."), form validation is broken, because they confuse the property path resolution
3. Since choices in expanded choice fields are directly translated to field names, choices applying to either 1. or 2. lead to problems. But choices should be unrestricted.
4. Unless a choice field is not expanded and does not allow multiple selection, it is not possible to use empty strings as choices, which might be desirable in some occasions.

The solution to these problems is to

* Restrict form names to disallow unpermitted characters (solves 1. and 2.)
* Generate integer indices to be stored in the HTML "id" and "name" attributes and map them to the choices (solves 3.). Can be reverted to the old behaviour by setting the option "index_generation" to ChoiceList::COPY_CHOICE
* Generate integer values to be stored in the HTML "value" attribute and map them to the choices (solves 4.). Can be reverted to the old behaviour by setting the option "value_generation" to ChoiceList::COPY_CHOICE

Apart from these fixes, it is now possible to write more flexible choice lists. One of these is `ObjectChoiceList`, which allows to use objects as choices and is bundled in the core. `EntityChoiceList` has been made an extension of this class.

    $form = $this->createFormBuilder()
        ->add('object', 'choice', array(
            'choice_list' => new ObjectChoiceList(
                array($obj1, $obj2, $obj3, $obj4),
                // property path determining the choice label (optional)
                'name',
                // preferred choices (optional)
                array($obj2, $obj3),
                // property path for object grouping (optional)
                'category',
                // property path for value generation (optional)
                'id',
                // property path for index generation (optional)
                'id'
            )
        ))
        ->getForm()
    ;

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by kriswallsmith at 2012-01-19T18:09:09Z

Rather than passing `choices` and a `choice_labels` arrays to the view would it make sense to introduce a `ChoiceView` class and pass one array of objects?

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by stof at 2012-01-22T15:32:36Z

@bschussek can you update your PR according to the feedback (and rebase it as it conflicts according to github) ?

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by bschussek at 2012-01-24T00:15:42Z

@kriswallsmith fixed

Fixed all outstanding issues. Would be glad if someone could review again, otherwise this PR is ready to merge.

---------------------------------------------------------------------------

by fabpot at 2012-01-25T15:17:59Z

Is it ready to be merged?

---------------------------------------------------------------------------

by Tobion at 2012-01-25T15:35:50Z

Yes I think so. He said it's ready to be merged when reviewed.

---------------------------------------------------------------------------

by bschussek at 2012-01-26T02:30:36Z

Yes.

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by bschussek at 2012-01-28T12:39:00Z

Fixed outstanding issues. Ready for merge.
2012-01-28 15:19:10 +01:00
src/Symfony merged branch bschussek/issue1919 (PR #3156) 2012-01-28 15:19:10 +01:00
tests merged branch bschussek/issue1919 (PR #3156) 2012-01-28 15:19:10 +01:00
.gitignore Added vendor directory to .gitignore 2010-06-24 10:44:28 +02:00
.travis.yml also test PHP 5.3.2, since this is the official lowest supported PHP version 2011-12-26 01:15:21 +01:00
autoload.php.dist fixed autoloader when tests are run on a machine without intl installed 2011-07-20 14:27:10 +02:00
CHANGELOG-2.0.md updated CHANGELOG for 2.0.9 2012-01-06 07:48:27 +01:00
CHANGELOG-2.1.md merged branch bschussek/issue1919 (PR #3156) 2012-01-28 15:19:10 +01:00
check_cs [Check CS] don't replace 'else if' on twig files (closes #2961) 2011-12-27 16:10:32 +01:00
composer.json Revert "merged 2.0" 2012-01-08 20:43:02 +01:00
CONTRIBUTORS.md update CONTRIBUTORS for 2.0.9 2012-01-06 07:49:05 +01:00
LICENSE added the LICENSE file for the YAML component 2011-02-18 11:52:11 +01:00
phpunit.xml.dist [Security] cleaned up opt-in to benchmark test 2011-03-06 20:06:13 +01:00
README.md set travis-ci icon to master 2011-11-23 11:36:09 +01:00
UPGRADE-2.1.md [Form] Added missing entries to CHANGELOG and UPGRADE 2012-01-28 13:37:13 +01:00
vendors.php updated Twig to 1.5.1 to fix a regression 2012-01-05 16:02:00 +01:00

README

Build Status

What is Symfony2?

Symfony2 is a PHP 5.3 full-stack web framework. It is written with speed and flexibility in mind. It allows developers to build better and easy to maintain websites with PHP.

Symfony can be used to develop all kind of websites, from your personal blog to high traffic ones like Dailymotion or Yahoo! Answers.

Requirements

Symfony2 is only supported on PHP 5.3.2 and up.

Installation

The best way to install Symfony2 is to download the Symfony Standard Edition available at http://symfony.com/download.

Documentation

The "Quick Tour" tutorial gives you a first feeling of the framework. If, like us, you think that Symfony2 can help speed up your development and take the quality of your work to the next level, read the official Symfony2 documentation.

Contributing

Symfony2 is an open source, community-driven project. If you'd like to contribute, please read the Contributing Code part of the documentation. If you're submitting a pull request, please follow the guidelines in the Submitting a Patch section.