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cs Composite

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This commit is contained in:
Dominik Liebler
2013-09-11 16:10:36 +02:00
parent ed3bc7f2ec
commit 45ca69025b
4 changed files with 43 additions and 4 deletions
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17
Composite/Form.php
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@@ -3,7 +3,7 @@
namespace DesignPatterns\Composite; namespace DesignPatterns\Composite;
/** /**
* composite pattern * Composite pattern
* *
* Purpose: * Purpose:
* to treat a group of objects the same way as a single instance of the object * to treat a group of objects the same way as a single instance of the object
@@ -18,7 +18,10 @@ namespace DesignPatterns\Composite;
*/ */
class Form extends FormElement class Form extends FormElement
{ {
protected $_elements; /**
* @var array|FormElement[]
*/
protected $elements;
/** /**
* runs through all elements and calls render() on them, then returns the complete representation * runs through all elements and calls render() on them, then returns the complete representation
@@ -26,20 +29,26 @@ class Form extends FormElement
* *
* from the outside, one will not see this and the form will act like a single object instance * from the outside, one will not see this and the form will act like a single object instance
* *
* @param int $indent
*
* @return string * @return string
*/ */
public function render($indent = 0) public function render($indent = 0)
{ {
$formCode = ''; $formCode = '';
foreach ($this->_elements as $element) {
foreach ($this->elements as $element) {
$formCode .= $element->render($indent + 1) . PHP_EOL; $formCode .= $element->render($indent + 1) . PHP_EOL;
} }
return $formCode; return $formCode;
} }
/**
* @param FormElement $element
*/
public function addElement(FormElement $element) public function addElement(FormElement $element)
{ {
$this->_elements[] = $element; $this->elements[] = $element;
} }
} }

10
Composite/FormElement.php
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@@ -2,7 +2,17 @@
namespace DesignPatterns\Composite; namespace DesignPatterns\Composite;
/**
* Class FormElement
*/
abstract class FormElement abstract class FormElement
{ {
/**
* renders the elements' code
*
* @param int $indent
*
* @return mixed
*/
abstract public function render($indent = 0); abstract public function render($indent = 0);
} }

10
Composite/InputElement.php
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@@ -2,8 +2,18 @@
namespace DesignPatterns\Composite; namespace DesignPatterns\Composite;
/**
* Class InputElement
*/
class InputElement extends FormElement class InputElement extends FormElement
{ {
/**
* renders the input element HTML
*
* @param int $indent
*
* @return mixed|string
*/
public function render($indent = 0) public function render($indent = 0)
{ {
return str_repeat(' ', $indent) . '<input type="text" />'; return str_repeat(' ', $indent) . '<input type="text" />';

10
Composite/TextElement.php
View File

@@ -2,8 +2,18 @@
namespace DesignPatterns\Composite; namespace DesignPatterns\Composite;
/**
* Class TextElement
*/
class TextElement extends FormElement class TextElement extends FormElement
{ {
/**
* renders the text element
*
* @param int $indent
*
* @return mixed|string
*/
public function render($indent = 0) public function render($indent = 0)
{ {
return str_repeat(' ', $indent) . 'this is a text element'; return str_repeat(' ', $indent) . 'this is a text element';