GmapFormControl.php

<?php

// uncomment 'use' in order to run it under PHP5.2 non-prefixed
use Nette\Utils\Html,
	Nette\Utils\Strings,
	\Nette\Templating\FileTemplate,
	Nette\Forms\Controls\BaseControl,
	\Nette\Forms\Container,
	Nette\Latte\Engine;



/**
 * GmapFormControl
 * @author Jakub Jarabica (http://www.jam3son.sk)
 * @license MIT
 * 
 * @property-write string $template
 * 
 */
final class GmapFormControl extends BaseControl
{
	const LATITUDE = 0;

	const LONGITUDE = 1;

	/** @var array  default map options */
	private $options = array(
		'width' => 300,
		'height' => 300,
		'center' => array(
			self::LATITUDE => 0,
			self::LONGITUDE => 0,
		),
		'zoom' => 2,
	);

	/** @var FileTemplate */
	private $template;

	public $icon;



	/**
	 * Form container extension method. Do not call directly.
	 * 	 
	 * @param Container $form
	 * @param string $name
	 * @param string $label	
	 * @param array $options 
	 * @return GmapFormControl
	 */
	public static function addGmapFormControl(Container $form, $name, $label, $options = NULL)
	{
		return $form[$name] = new self($label, $options);
	}



	/**
	 * @param string $label
	 * @param array $options
	 */
	public function __construct($label, $options = NULL)
	{
		parent::__construct($label);
		if ($options !== NULL) {
			$this->options = array_merge($this->options, $options);
		}

		$this->template = dirname(__FILE__) . '/template.latte';
	}



	/**
	 *
	 * @param string    $template path to template
	 * @param bool      is provided path full or relative to this script?
	 */
	public function setTemplate($template, $isPathFull = FALSE)
	{
		$this->template = ($isPathFull) ? $template : dirname(__FILE__) . '/' . $template . '.latte';
	}



	/**
	 * Generates control's HTML
	 * 
	 * @return FileTemplate
	 */
	public function getControl()
	{
		$original = parent::getControl();
		$id = $original->id;

		/* create latitude input */
		$latitude = clone $original;
		$latitude->name .= '[' . self::LATITUDE . ']';
		$latitude->id = $id . '-' . self::LATITUDE;
		$latitude->value = $this->value[self::LATITUDE];

		/* create longitude input */
		$longitude = clone $original;
		$longitude->name .= '[' . self::LONGITUDE . ']';
		$longitude->id = $id . '-' . self::LONGITUDE;
		$longitude->value = $this->value[self::LONGITUDE];

		$marker = ($this->getValue() === NULL) ? FALSE : $this->getValue();

		if (!isset($this->options['center'][self::LATITUDE])) { // allows simpler central point array
			$center = array(
				self::LATITUDE => $this->options['center'][0],
				self::LONGITUDE => $this->options['center'][1],
			);
		} else {
			$center = $this->options['center'];
		}

		$template = new FileTemplate($this->template);
		$template->registerFilter(new Engine);

		$template->latitude = $latitude;
		$template->longitude = $longitude;
		$template->marker = $marker;
		$template->options = $this->options;
		$template->center = $center;
		$template->control_id = $id;

		if (isset($this->icon)) {
			$template->icon = $this->icon;
		}

		return $template;
	}



	/**
	 * Generates label's HTML element.
	 * 	 
	 * @return Html
	 */
	public function getLabel($caption = NULL)
	{
		$label = parent::getLabel($caption);
		$label->for = NULL;
		return $label;
	}

}