brunoaugusto/Composite\Components\AbstractComponent.php

## Composite\Components\AbstractComponent.php
<?php

namespace Composite\Components;

abstract class AbstractComponent implements Component {

    /**
     * Component Childrens
     *
     * @var ArrayObject $childrens
     */
    protected $children;

    /**
     * Flag to condition whether or not Component
     * is a leaf or a Composite
     *
     * @var boolean $leaf
     */
    protected $leaf = FALSE;

    /**
     * Component Constructor
     *
     * Initialized Components' Children ArrayObject and
     * sets an ID for the Component
     */
    public function __construct() {

        if( ! $this -> leaf ) {

            $this -> children = new \ArrayObject;
        }
    }

    /**
     * Adds a new Component
     *
     * @param Composite\Components\Component $component
     *  Component to add
     *
     * @throws \LogicException
     *  Thrown if trying to add a new Component to a leaf Component
     */
    public function add( Component $component ) {

        if( $this -> leaf ) {
            throw new \LogicException( 'A leaf Component cannot have childrens' );
        }

        $this -> children -> append( $component );

        return $this;
    }

    // Auxiliary Methods Defintiion

    /**
     * Draws Components Childrens
     */
    protected function drawChildren() {

        if( ! $this -> leaf ) {

            $iterator = $this -> children -> getIterator();

            for( $iterator -> rewind(); $iterator -> valid(); $iterator -> next() ) {

                $iterator -> current() -> draw();
            }
        }
    }
}

## Composite\Components\Component.php
<?php

namespace Composite\Components;

interface Component extends Drawable {}

## Composite\Components\Drawable.php
<?php

namespace Composite\Components;

interface Drawable {

    /**
     * Draws a Component
     */
    public function draw();
}

## Composite\Components\HTML\Cell.php
<?php

namespace Composite\Components\HTML;

use Composite\Components\AbstractComponent;

class Cell extends AbstractComponent {

    /**
     * Flag to condition whether or not Component
     * is a leaf or a COmposite
     *
     * A Table-cell is not really a leaf as more HTML
     * can be added to it, but let's keep it simple
     *
     * @var boolean $leaf
     */
    protected $leaf = TRUE;

    /**
     * Cell data
     *
     * @var string $data
     */
    private $data;

    /**
     * Cell Constructor
     */
    public function __construct( $data ) {

        parent::__construct();

        $this -> data = $data;
    }

    // Drawable Interface method Implementation

    public function draw() {
        echo '        <td>', $this -> data, "</td>\n";
    }
}

## Composite\Components\HTML\Row.php
<?php

namespace Composite\Components\HTML;

use Composite\Components\AbstractComponent;

class Row extends AbstractComponent {

    // Drawable Interface method Implementation

    public function draw() {
        echo "\n    <tr>\n", $this -> drawChildren(), "    </tr>\n    ";
    }
}

## Composite\Components\HTML\Table.php
<?php

namespace Composite\Components\HTML;

use Composite\Components\AbstractComponent;

class Table extends AbstractComponent {

    // Drawable Interface method Implementation

    public function draw() {
        echo "<table>\n    ", $this -> drawChildren(), "\n</table>";
    }
}

## index.php
<html>

    <head>

        <style>

        table {
            border-collapse: collapse;
            width: 100%;
        }

        table, table td {
            border: 1px solid #000;
        }

        </style>

    </head>

    <body>

<?php

spl_autoload_register( function( $classname ) {

    $classname = stream_resolve_include_path(

        str_replace( '\\', DIRECTORY_SEPARATOR, $classname ) . '.php'
    );

    if( $classname !== FALSE ) {

        include $classname;
    }
});

$groups = array(
    'Administração' => array(
        0 => array(
            'nome' => 'nome0',
            'ramal' => 'ramal0'
        ),
        1 => array(
            'nome' => 'nome1',
            'ramal' => 'ramal1'
        ),
        2 => array(
            'nome' => 'nome2',
            'ramal' => 'ramal2'
        ),
        3 => array(
            'nome' => 'nome3',
            'ramal' => 'ramal3'
        )
    ),
    'Financeiro' => array(
        4 => array(
            'nome' => 'nome4',
            'ramal' => 'ramal4'
        ),
        5 => array(
            'nome' => 'nome5',
            'ramal' => 'ramal5'
        ),
        6 => array(
            'nome' => 'nome6',
            'ramal' => 'ramal6'
        ),
        7 => array(
            'nome' => 'nome7',
            'ramal' => 'ramal7'
        ),
        8 => array(
            'nome' => 'nome8',
            'ramal' => 'ramal8'
        ),
        9 => array(
            'nome' => 'nome9',
            'ramal' => 'ramal9'
        )
    )
);

$tableGroup = new Composite\Components\HTML\Table;

foreach( $groups as $group => $persons ) {

    // Groups

    $groupRow = new Composite\Components\HTML\Row;

    $groupRow -> add( new Composite\Components\HTML\CellCol2( $group ) );
              //-> add( new Composite\Components\HTML\Cell( '' ) );

    $tableGroup -> add( $groupRow );

    // Persons

    foreach( $persons as $person ) {

        $nameCell = new Composite\Components\HTML\Cell( $person['nome'] );
        $dialCell = new Composite\Components\HTML\Cell( $person['ramal'] );

        $personRow = new Composite\Components\HTML\Row;

        $personRow -> add( $nameCell ) -> add( $dialCell );

        $tableGroup -> add( $personRow );
    }
}

$tableGroup -> draw();

?>

    </body>

</html>
	<?php

	namespace Composite\Components;

	abstract class AbstractComponent implements Component {

	/**
	* Component Childrens
	*
	* @var ArrayObject $childrens
	*/
	protected $children;

	/**
	* Flag to condition whether or not Component
	* is a leaf or a Composite
	*
	* @var boolean $leaf
	*/
	protected $leaf = FALSE;

	/**
	* Component Constructor
	*
	* Initialized Components' Children ArrayObject and
	* sets an ID for the Component
	*/
	public function __construct() {

	if( ! $this -> leaf ) {

	$this -> children = new \ArrayObject;
	}
	}

	/**
	* Adds a new Component
	*
	* @param Composite\Components\Component $component
	* Component to add
	*
	* @throws \LogicException
	* Thrown if trying to add a new Component to a leaf Component
	*/
	public function add( Component $component ) {

	if( $this -> leaf ) {
	throw new \LogicException( 'A leaf Component cannot have childrens' );
	}

	$this -> children -> append( $component );

	return $this;
	}

	// Auxiliary Methods Defintiion

	/**
	* Draws Components Childrens
	*/
	protected function drawChildren() {

	if( ! $this -> leaf ) {

	$iterator = $this -> children -> getIterator();

	for( $iterator -> rewind(); $iterator -> valid(); $iterator -> next() ) {

	$iterator -> current() -> draw();
	}
	}
	}
	}
	<?php

	namespace Composite\Components;

	interface Component extends Drawable {}
	<?php

	namespace Composite\Components;

	interface Drawable {

	/**
	* Draws a Component
	*/
	public function draw();
	}
	<?php

	namespace Composite\Components\HTML;

	use Composite\Components\AbstractComponent;

	class Cell extends AbstractComponent {

	/**
	* Flag to condition whether or not Component
	* is a leaf or a COmposite
	*
	* A Table-cell is not really a leaf as more HTML
	* can be added to it, but let's keep it simple
	*
	* @var boolean $leaf
	*/
	protected $leaf = TRUE;

	/**
	* Cell data
	*
	* @var string $data
	*/
	private $data;

	/**
	* Cell Constructor
	*/
	public function __construct( $data ) {

	parent::__construct();

	$this -> data = $data;
	}

	// Drawable Interface method Implementation

	public function draw() {
	echo ' <td>', $this -> data, "</td>\n";
	}
	}
	<html>

	<head>

	<style>

	table {
	border-collapse: collapse;
	width: 100%;
	}

	table, table td {
	border: 1px solid #000;
	}

	</style>

	</head>

	<body>

	<?php

	spl_autoload_register( function( $classname ) {

	$classname = stream_resolve_include_path(

	str_replace( '\\', DIRECTORY_SEPARATOR, $classname ) . '.php'
	);

	if( $classname !== FALSE ) {

	include $classname;
	}
	});

	$groups = array(
	'Administração' => array(
	0 => array(
	'nome' => 'nome0',
	'ramal' => 'ramal0'
	),
	1 => array(
	'nome' => 'nome1',
	'ramal' => 'ramal1'
	),
	2 => array(
	'nome' => 'nome2',
	'ramal' => 'ramal2'
	),
	3 => array(
	'nome' => 'nome3',
	'ramal' => 'ramal3'
	)
	),
	'Financeiro' => array(
	4 => array(
	'nome' => 'nome4',
	'ramal' => 'ramal4'
	),
	5 => array(
	'nome' => 'nome5',
	'ramal' => 'ramal5'
	),
	6 => array(
	'nome' => 'nome6',
	'ramal' => 'ramal6'
	),
	7 => array(
	'nome' => 'nome7',
	'ramal' => 'ramal7'
	),
	8 => array(
	'nome' => 'nome8',
	'ramal' => 'ramal8'
	),
	9 => array(
	'nome' => 'nome9',
	'ramal' => 'ramal9'
	)
	)
	);

	$tableGroup = new Composite\Components\HTML\Table;

	foreach( $groups as $group => $persons ) {

	// Groups

	$groupRow = new Composite\Components\HTML\Row;

	$groupRow -> add( new Composite\Components\HTML\CellCol2( $group ) );
	//-> add( new Composite\Components\HTML\Cell( '' ) );

	$tableGroup -> add( $groupRow );

	// Persons

	foreach( $persons as $person ) {

	$nameCell = new Composite\Components\HTML\Cell( $person['nome'] );
	$dialCell = new Composite\Components\HTML\Cell( $person['ramal'] );

	$personRow = new Composite\Components\HTML\Row;

	$personRow -> add( $nameCell ) -> add( $dialCell );

	$tableGroup -> add( $personRow );
	}
	}

	$tableGroup -> draw();

	?>

	</body>

	</html>