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<?php |
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namespace Encore\Admin\Layout; |
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use Encore\Admin\Grid; |
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use Illuminate\Contracts\Support\Renderable; |
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class Column implements Buildable |
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{ |
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/** |
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* grid system prefix width |
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* @var array |
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*/ |
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protected $width = []; |
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/** |
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* @var array |
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*/ |
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protected $contents = []; |
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/** |
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* Column constructor. |
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* |
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* @param $content |
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* @param int $width |
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*/ |
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public function __construct($content, $width = 12) |
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{ |
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if ($content instanceof \Closure) { |
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call_user_func($content, $this); |
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} else { |
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$this->append($content); |
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} |
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///// set width. |
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// if null, or $this->width is empty array, set as "md" => "12" |
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if(is_null($width) || (is_array($width) && count($width) === 0)){ |
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$this->width["md"] = 12; |
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} |
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// $this->width is number(old version), set as "md" => $width |
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elseif(is_numeric($width)){ |
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$this->width["md"] = $width; |
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} |
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else{ |
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$this->width = $width; |
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} |
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} |
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/** |
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* Append content to column. |
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* |
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* @param $content |
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* |
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* @return $this |
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*/ |
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public function append($content) |
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{ |
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$this->contents[] = $content; |
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return $this; |
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} |
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/** |
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* Add a row for column. |
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* |
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* @param $content |
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* |
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* @return Column |
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*/ |
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public function row($content) |
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{ |
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if (!$content instanceof \Closure) { |
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$row = new Row($content); |
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} else { |
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$row = new Row(); |
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call_user_func($content, $row); |
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} |
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ob_start(); |
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$row->build(); |
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$contents = ob_get_contents(); |
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ob_end_clean(); |
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return $this->append($contents); |
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} |
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/** |
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* Build column html. |
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*/ |
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public function build() |
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{ |
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$this->startColumn(); |
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foreach ($this->contents as $content) { |
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if ($content instanceof Renderable || $content instanceof Grid) { |
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echo $content->render(); |
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} else { |
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echo (string) $content; |
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} |
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} |
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$this->endColumn(); |
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} |
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/** |
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* Start column. |
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*/ |
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protected function startColumn() |
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{ |
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// get classname using width array |
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$classname = implode(" ", collect($this->width)->map(function($value, $key){ |
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return "col-$key-$value"; |
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})->toArray()); |
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echo "<div class=\"{$classname}\">"; |
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} |
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/** |
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* End column. |
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*/ |
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protected function endColumn() |
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{ |
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echo '</div>'; |
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} |
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} |
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z-song /
laravel-admin
