friendsofcake/bootstrap-ui

Bootstrap front-end framework support for CakePHP

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Type:cakephp-plugin


README

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Transparently use Bootstrap 4 with CakePHP 4.

For version info see version map.

Requirements

  • CakePHP 4.x
  • Bootstrap 4.x
  • npm 5.x
  • jQuery 3.2+
  • Popper.js 1.x
  • Fontawesome 5.x

What's included?

  • FlashHelper (element types: error, info, success, warning)
  • FormHelper (align: default, inline, horizontal)
  • BreadcrumbsHelper
  • HtmlHelper (components: badge, icon)
  • PaginatorHelper
  • Widgets (basic, button, datetime, file, select, textarea)
  • Example layouts (cover, signin, dashboard)
  • Bake templates

Table of contents

Installation

cd to the root of your app folder (where the composer.json file is) and run the following Composer command:

composer require friendsofcake/bootstrap-ui

Then load the plugin using CakePHP's console:

bin/cake plugin load BootstrapUI

Setup

You can either use the Bootstrap commands to make the necessary changes, or do them manually.

Using the Bootstrap commands

  1. To install the Bootstrap assets (Bootstrap's CSS/JS files, jQuery and Popper.js) via npm you can use the install command, or install them manually:

    bin/cake bootstrap install
    

    This will fetch all assets, copy the distribution assets to the BootstrapUI plugin's webroot directory, and symlink (or copy) them to your application's webroot directory.

  2. You will need to modify your src/View/AppView class to either extend BootstrapUI\View\UIView or use the trait BootStrapUI\View\UIViewTrait. For doing this you can either use the modify_view command, or change your view manually:

    bin/cake bootstrap modify_view
    

    This will rewrite your src/View/AppView like described in AppView setup using UIView.

  3. BootstrapUI ships with some example layouts. You can install them using the copy_layouts command, or copy them manually:

    bin/cake bootstrap copy_layouts
    

    This will copy the three example layouts cover.php, dashboard.php and signin.php to your application's src/templates/layout/TwitterBootstrap.

Manual setup

Installing Bootstrap assets via npm

The the install command installs the Bootstrap assets via npm, which you can also do manually if you wish to control which assets are being included, and where they are placed.

Assuming you are in your application's root:

npm install bootstrap@4 jquery@3 popper.js@1
cp node_modules/bootstrap/dist/css/bootstrap.css webroot/css/
cp node_modules/bootstrap/dist/css/bootstrap.min.css webroot/css/
cp node_modules/bootstrap/dist/js/bootstrap.js webroot/js/
cp node_modules/bootstrap/dist/js/bootstrap.min.js webroot/js/
cp node_modules/jquery/dist/jquery.js webroot/js
cp node_modules/jquery/dist/jquery.min.js webroot/js
cp node_modules/popper.js/dist/popper.js webroot/js
cp node_modules/popper.js/dist/popper.min.js webroot/js

AppView setup using UIView

For a quick setup, just make your AppView class extend BootstrapUI\View\UIView. The base class will handle the initializing and loading of the BootstrapUI default.php layout for your app.

The src\View\AppView.php will look something like the following:

declare(strict_types=1);

namespace App\View;

use BootstrapUI\View\UIView;

class AppView extends UIView
{
    /**
     * Initialization hook method.
     */
    public function initialize(): void
    {
        // Don't forget to call parent::initialize()
        parent::initialize();
    }
}

AppView setup using UIViewTrait

If you're adding BootstrapUI to an existing application, it might be easier to use the trait, as it gives you more control over the loading of the layout.

declare(strict_types=1);

namespace App\View;

use BootstrapUI\View\UIViewTrait;
use Cake\View\View;

class AppView extends View
{
    use UIViewTrait;

    /**
     * Initialization hook method.
     */
    public function initialize(): void
    {
        parent::initialize();

        // Call the initializeUI method from UIViewTrait
        $this->initializeUI();
    }
}

Copying example layouts

In order to be able to use the BootstrapUI example layouts (directly taken from the Bootstrap examples), they need to be copied to your application's layouts directory, either by using the copy_layouts command, or by copying the files manually:

cp -R vendor/friendsofcake/bootstrap-ui/templates/layout/examples templates/layout/TwitterBootstrap

BootstrapUI layouts

BootstrapUI comes with its own default.php layout file and examples taken from the Bootstrap framework.

When no layout for the view is defined, the BootstrapUI\View\UIViewTrait will load its own default.php layout file. You can override this behavior in two ways.

  • Assign a layout to the template with $this->setLayout('layout').
  • Disable auto loading of the layout in BootstrapUI\View\UIViewTrait by adding $this->initializeUI(['layout' => false]); to your AppView's initialize() function.

Using the example layouts

Once copied into your application's layouts directory (being it via the copy_layouts command or manually), you can simply extend the example layouts in your views like so:

$this->extend('../layout/TwitterBootstrap/dashboard');

Available types are:

  • cover
  • signin
  • dashboard

NOTE: Remember to set the stylesheets in the layouts you copy.

Including the Bootstrap framework

If you are using the BoostrapUI plugin's default layout, and you have installed the Bootstrap assets using the install command, the required assets should automatically be included.

If you wish to use your own layout template, then you need to take care of including the required CSS/JS files yourself.

If you have installed the assets using the install command, you can refer to them using the standard plugin syntax:

// in the <head>
echo $this->Html->css('BootstrapUI.bootstrap.min');
echo $this->Html->script(['BootstrapUI.jquery.min', 'BootstrapUI.popper.min', 'BootstrapUI.bootstrap.min']);

If you have installed the assets manually, you'll need to use paths accordingly. With the example copy script you could use the standard short path syntax:

echo $this->Html->css('bootstrap.min');
echo $this->Html->script(['jquery.min', 'popper.min', 'bootstrap.min']);

If you're using paths that don't adhere to the CakePHP conventions, you'll have to explicitly specify them:

echo $this->Html->css('/path/to/bootstrap.css');
echo $this->Html->script(['/path/to/jquery.js', '/path/to/popper.js', '/path/to/bootstrap.js']);

Bake templates

For those of you who want even more automation, some bake templates have been included. Use them like so:

bin/cake bake [subcommand] -t BootstrapUI

Usage

At the core of BootstrapUI is a collection of enhancements for CakePHP core helpers. These helpers replace the HTML templates used to render elements for the views. This allows you to create forms and components that use the Bootstrap styles.

The current list of enhanced helpers are:

  • BootstrapUI\View\Helper\FlashHelper
  • BootstrapUI\View\Helper\FormHelper
  • BootstrapUI\View\Helper\HtmlHelper
  • BootstrapUI\View\Helper\PaginatorHelper
  • BootstrapUI\View\Helper\BreadcrumbsHelper

When the BootstrapUI\View\UIViewTrait is initialized it loads the above helpers with the same aliases as the CakePHP core helpers. That means that when you use $this->Form->create() in your views. The helper being used is from the BootstrapUI plugin.

Basic forms

echo $this->Form->create($article);
echo $this->Form->control('title');
echo $this->Form->control('published', ['type' => 'checkbox']);
echo $this->Form->button('Submit');
echo $this->Form->end();

will render this HTML:

<form method="post" accept-charset="utf-8" role="form" action="/articles/add">
    <div style="display:none;">
        <input type="hidden" name="_method" value="POST">
    </div>
    <div class="form-group text">
        <label for="title">Title</label>
        <input type="text" name="title" id="title" class="form-control">
    </div>
    <div class="form-group form-check checkbox">
        <input type="hidden" name="published" value="0">
        <input type="checkbox" class="form-check-input" name="published" value="1" id="published">
        <label class="form-check-label" for="published">Published</label>
    </div>
    <button type="submit" class="btn btn-secondary">Submit</button>
</form>

Horizontal forms

echo $this->Form->create($article, [
    'align' => [
        'sm' => [
            'left' => 6,
            'middle' => 6,
            'right' => 12
        ],
        'md' => [
            'left' => 4,
            'middle' => 4,
            'right' => 4
        ]
    ]
]);
echo $this->Form->control('title');
echo $this->Form->control('published', ['type' => 'checkbox']);
echo $this->Form->end();

will render this HTML:

<form method="post" accept-charset="utf-8" class="form-horizontal" role="form" action="/articles/add">
    <div style="display:none;">
        <input type="hidden" name="_method" value="POST">
    </div>
    <div class="form-group row text">
        <label class="col-form-label col-sm-6 col-md-4" for="title">Title</label>
        <div class="col-sm-6 col-md-4">
            <input type="text" name="title" id="title" class="form-control">
        </div>
    </div>
    <div class="form-group row checkbox">
        <div class="offset-sm-6 offset-md-4 col-sm-6 col-md-4">
            <div class="form-check">
                <input type="hidden" name="published" value="0"/>
                <input type="checkbox" name="published" value="1" id="published" class="form-check-input"/>
                <label class="form-check-label" for="published">Published</label>
            </div>
        </div>
    </div>
</form>

Inline forms

echo $this->Form->create($article, [
    'align' => 'inline',
]);
echo $this->Form->control('title', ['placeholder' => 'Title']);
echo $this->Form->control('published', ['type' => 'checkbox']);
echo $this->Form->end();

will render this HTML:

<form method="post" accept-charset="utf-8" class="form-inline" role="form" action="/articles/add">
    <div class="form-group text">
        <label class="sr-only" for="title">Title</label>
        <input type="text" name="title" placeholder="Title" id="title" class="form-control"/>
    </div>
    <div class="form-check form-check-inline checkbox">
        <input type="hidden" name="published" value="0"/>
        <input type="checkbox" name="published" value="1" id="published" class="form-check-input">
        <label class="form-check-label" for="published">Published</label>
    </div>
    ...
</form>

Supported controls

BootstrapUI supports and generates Bootstrap compatible markup for all of CakePHP's default controls. Additionally it explicitly supports Bootstrap specific markup for the following controls:

  • range

Custom style controls

BootstrapUI supports Bootstrap's custom form control styles for checkbox, radio, select, file, and range controls. To enable custom styles, set the custom option to true.

echo $this->Form->control('image', [
    'type' => 'file',
    'custom' => true,
]);

This would generate the following HTML:

<div class="form-group file">
    <div class="custom-file">
        <input type="file" name="image" id="image" class="custom-file-input"/>
        <label class="custom-file-label" for="image">Image</label>
    </div>
</div>

Container attributes

Attributes of the outer control container can be changed via the container option, cutting the need to use custom templates for simple changes. The class attribute is a special case, its value will be prepended to the existing list of classes instead of replacing it.

echo $this->Form->control('title', [
    'container' => [
        'class' => 'my-title-control',
        'data-meta' => 'meta information',
    ],
]);

This would generate the following HTML:

<div data-meta="meta information" class="my-title-control form-group text">
    <label for="title">Title</label>
    <input type="text" name="title" id="title" class="form-control">
</div>

Appending/Prepending content

Appending/Prepending content to input groups is supported via the append and prepend options respectively.

echo $this->Form->control('email', [
    'prepend' => '@',
]);

This would generate the following HTML:

<div class="form-group email">
    <label for="email">Email</label>
    <div class="input-group">
        <div class="input-group-prepend">
            <span class="input-group-text">@</span>
        </div>
        <input type="email" name="email" id="email" class="form-control"/>
    </div>
</div>

Inline checkboxes and radio buttons

Inline checkboxes and radio buttons (not to be confused with inline aligned forms), can be created by setting the inline option to true.

Inlined checkboxes and radio buttons will be rendered on the same horizontal row, regardless of the configured form alignment.

echo $this->Form->control('option_1', [
    'type' => 'checkbox',
    'inline' => true,
]);
echo $this->Form->control('option_2', [
    'type' => 'checkbox',
    'inline' => true,
]);

This would generate the following HTML:

<div class="form-check form-check-inline checkbox">
    <input type="hidden" name="option-1" value="0"/>
    <input type="checkbox" name="option-1" value="1" id="option-1" class="form-check-input">
    <label class="form-check-label" for="option-1">Option 1</label>
</div>
<div class="form-check form-check-inline checkbox">
    <input type="hidden" name="option-2" value="0"/>
    <input type="checkbox" name="option-2" value="2" id="option-2" class="form-check-input">
    <label class="form-check-label" for="option-2">Option 2</label>
</div>

Help text

Bootstrap's form help text is supported via the help option.

The help text is by default being rendered in between of the control and the validation feedback.

echo $this->Form->control('title', [
    'help' => 'Help text',
]);

This would generate the following HTML:

<div class="form-group text">
    <label for="title">Title</label>
    <input type="text" name="title" id="title" class="form-control"/>
    <small class="form-text text-muted">Help text</small>
</div>

Tooltips

Bootstrap tooltips can be added to labels via the tooltip option. The tooltip toggles are by default being rendered as a Font Awesome icon, so additionally to including everything required by Bootstrap to support tooltips, you need to make sure to include Font Awesome too.

echo $this->Form->control('title', [
    'tooltip' => 'Tooltip text',
]);

This would generate the following HTML:

<div class="form-group text">
    <label for="title">Title <span data-toggle="tooltip" title="Tooltip text" class="fas fa-info-circle"></span></label>
    <input type="text" name="title" id="title" class="form-control"/>
</div>

If you want to use a different toggle, being it a different Font Awesome icon, or maybe a completely different icon font/library, then you can do this by overriding the tooltip template accordingly, being it globally, per form, or per control:

echo $this->Form->control('title', [
    'tooltip' => 'Tooltip text',
    'templates' => [
        'tooltip' => '<span data-toggle="tooltip" title="{{content}}" class="material-icons">info</span>',
    ],
]);

Error feedback style

BootstrapUI supports two styles of error feedback, the regular Bootstrap text feedback, and Bootstrap tooltip feedback (not to be confused with label tooltips that are configured via the tooltip option!).

The style can be configured via the feedbackStyle option, either globally, per form, or per control. The supported styles are:

  • \BootstrapUI\View\Helper\FormHelper::FEEDBACK_STYLE_DEFAULT Render error feedback as regular Bootstrap text feedback.
  • \BootstrapUI\View\Helper\FormHelper::FEEDBACK_STYLE_TOOLTIP Render error feedback as Bootstrap tooltip feedback (inline forms are using this style by default).

Note that using the tooltip error style requires the form group elements to be non-static positioned! The form helper will automatically add Bootstraps position utility class position-relative to the form group elements when the tooltip error style is enabled.

If you need different positioning, use either CSS to override the position rule on the .form-group elements, or use the formGroupPosition option to set your desired position, either globally, per form, or per control. The option supports the following values:

  • \BootstrapUI\View\Helper\FormHelper::POSITION_ABSOLUTE
  • \BootstrapUI\View\Helper\FormHelper::POSITION_FIXED
  • \BootstrapUI\View\Helper\FormHelper::POSITION_RELATIVE
  • \BootstrapUI\View\Helper\FormHelper::POSITION_STATIC
  • \BootstrapUI\View\Helper\FormHelper::POSITION_STICKY
$this->Form->setConfig([
    'feedbackStyle' => \BootstrapUI\View\Helper\FormHelper::FEEDBACK_STYLE_TOOLTIP,
    'formGroupPosition' => \BootstrapUI\View\Helper\FormHelper::POSITION_ABSOLUTE,
]);

// ...

echo $this->Form->control('title');

With an error on the title field, this would generate the following HTML:

<div class="form-group position-absolute text is-invalid">
    <label for="title">Title</label>
    <input type="text" name="title" id="title" class="is-invalid form-control"/>
    <div class="invalid-tooltip">Error message</div>
</div>

Helper configuration

You can configure each of the helpers by passing in extra parameters when loading them in your AppView.php.

Here is an example of changing the prev and next labels for the Paginator helper.

$this->loadHelper(
    'Paginator',
    [
        'className' => 'BootstrapUI.Paginator',
        'labels' => [
            'prev' => 'previous',
            'next' => 'next',
        ]
    ]
);

Flash Messages / Alerts

You can set Flash Messages using the default Flash component syntax. Supported types are success, info, warning, error.

$this->Flash->success('Your Success Message.');

If you need to set other Bootstrap Alert styles you can do this with:

$this->Flash->set('Your Dark Message.', ['params' => ['class' => 'dark']]);

Supported styles are primary, secondary, light, dark.

Contributing

Patches & Features

  • Fork
  • Mod, fix
  • Test - this is important, so it's not unintentionally broken
  • Commit - do not mess with license, todo, version, etc. (if you do change any, put them into separate commits that can be ignored when pulling)
  • Pull request - bonus point for topic branches

To ensure your PRs are considered for upstream, you MUST follow the CakePHP coding standards. A pre-commit hook has been included to automatically run the code sniffs for you. From your project's root directory:

cp ./contrib/pre-commit .git/hooks/
chmod 755 .git/hooks/pre-commit

Testing

When working on the plugin's code you can run the tests for BootstrapUI by doing the following:

composer install
./vendor/bin/phpunit

Bugs & Feedback

https://github.com/friendsofcake/bootstrap-ui/issues

License

Copyright (c) 2015, Jad Bitar and licensed under The MIT License.