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How to create a recursive list in a Blade. (Laravel)
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<?php | |
namespace App\Http\Controllers; | |
use Illuminate\Http\Request; | |
class TestController extends Controller | |
{ | |
/** | |
* This is just a quick example of how to create a recursive list of items | |
* presented in a list in HTML using Laravel's Blade views. | |
* | |
* Also presenting long or short names for those items. | |
* Also presenting checkboxes for some of those items. | |
* | |
* @return \Illuminate\Http\Response | |
*/ | |
public function index(Request $request) | |
{ | |
$foods = array( | |
0 => array( | |
'id' => 1, | |
'full_name' => 'plants', | |
'short_name' => null, | |
'use_short_name' => 0, | |
'is_selectable' => 0, | |
'description' => null, | |
'children' => array ( | |
0 => array( | |
'id' => 2, | |
'full_name' => '10', | |
'short_name' => null, | |
'use_short_name' => 0, | |
'is_selectable' => 0, | |
'description' => null, | |
'children' => array ( | |
0 => array( | |
'id' => 3, | |
'full_name' => 'tomato', | |
'short_name' => 'tom', | |
'use_short_name' => 1, | |
'is_selectable' => 1, | |
'description' => 'www.tomato.com', | |
'children' => null, | |
), | |
1 => array( | |
'id' => 4, | |
'full_name' => 'carrot', | |
'short_name' => null, | |
'use_short_name' => 0, | |
'is_selectable' => 1, | |
'description' => 'www.carrot.com', | |
'children' => null, | |
) | |
) | |
), | |
1 => array( | |
'id' => 5, | |
'full_name' => '20', | |
'short_name' => null, | |
'use_short_name' => 0, | |
'is_selectable' => 0, | |
'description' => null, | |
'children' => array ( | |
0 => array( | |
'id' => 6, | |
'full_name' => 'kiwi', | |
'short_name' => null, | |
'use_short_name' => 0, | |
'is_selectable' => 1, | |
'description' => 'www.kiwi.com', | |
'children' => null, | |
), | |
1 => array( | |
'id' => 7, | |
'full_name' => 'watermelon', | |
'short_name' => 'watts', | |
'use_short_name' => 1, | |
'is_selectable' => 1, | |
'description' => 'www.watermelon.com', | |
'children' => null, | |
) | |
) | |
) | |
) | |
), | |
1 => array( | |
'id' => 8, | |
'full_name' => 'meats', | |
'short_name' => null, | |
'use_short_name' => 0, | |
'is_selectable' => 0, | |
'description' => null, | |
'children' => array ( | |
0 => array( | |
'id' => 9, | |
'full_name' => 'mammal', | |
'short_name' => null, | |
'use_short_name' => 0, | |
'is_selectable' => 1, | |
'description' => 'www.mammals.com', | |
'children' => null, | |
), | |
1 => array( | |
'id' => 10, | |
'full_name' => 'fish', | |
'short_name' => null, | |
'use_short_name' => 0, | |
'is_selectable' => 1, | |
'description' => 'www.fish.com', | |
'children' => null, | |
) | |
) | |
), | |
); | |
return view('test', ['foods' => $foods]); | |
} | |
} |
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http://i.imgur.com/8P8qodc.png | |
Looks something like this: | |
plants | |
10 | |
[ ] tom | |
[ ] carrot | |
20 | |
[ ] kiwi | |
[ ] watts | |
meats | |
[ ] mammal | |
[ ] fish | |
HTML: | |
<ul> | |
<li> | |
plants | |
<ul> | |
<li> | |
10 | |
<ul> | |
<li> | |
<input type="checkbox" name="foods" value="3"> tom | |
</li> | |
<li> | |
<input type="checkbox" name="foods" value="4"> carrot | |
</li> | |
</ul> | |
</li> | |
<li> | |
20 | |
<ul> | |
<li> | |
<input type="checkbox" name="foods" value="6"> kiwi | |
</li> | |
<li> | |
<input type="checkbox" name="foods" value="7"> watts | |
</li> | |
</ul> | |
</li> | |
</ul> | |
</li> | |
<li> | |
meats | |
<ul> | |
<li> | |
<input type="checkbox" name="foods" value="9"> mammal | |
</li> | |
<li> | |
<input type="checkbox" name="foods" value="10"> fish | |
</li> | |
</ul> | |
</li> | |
</ul> |
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{{ $food['use_short_name'] ? $food['short_name'] : $food['full_name'] }} |
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<li> | |
@if($food['is_selectable']) | |
<input type="checkbox" name="foods" value="{{ $food['id'] }}"> @include('test-item-name') | |
@else | |
@include('test-item-name') | |
@endif | |
@if ($food['children']) | |
<ul> | |
@each('test-item', $food['children'], 'food') | |
</ul> | |
@endif | |
</li> |
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<div class="container"> | |
<div class="row"> | |
<div class="col-md-8 col-md-offset-2"> | |
<div class="panel panel-default"> | |
<div class="panel-heading">Test!</div> | |
<div class="panel-body"> | |
@if($foods) | |
<ul> | |
@each('test-item', $foods, 'food') | |
</ul> | |
@endif | |
</div> | |
</div> | |
</div> | |
</div> | |
</div> |
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