ShoppingStepsMarkup.module

<?php

class ShoppingStepsMarkup extends WireData implements Module, ConfigurableModule
{
	public static function getModuleInfo()
	{
		return array(
			'title' => 'Shopping Steps Markup',
			'version' => 001,
			'summary' => 'Renders shopping steps as a breadcrumb',
			'singular' => false,
			'autoload' => false,
			'requires' => array(
				"ShoppingCart",
				"ShoppingCheckout"
			)
		);
	}

	public function init()
	{
	}

	public function render($id = 'sc_checkout_breadcrumb') {


		$checkoutModule = $this->modules->get('ShoppingCheckout');
		$checkoutPage = $this->pages->get('template=sc-checkout');
		if ($this->cartPage) $cartPage = $this->pages->get($this->cartPage);
		else $cartPage = new NullPage();

		if ($this->input->urlSegment1) $step = $this->input->urlSegment1;
		else if ($this->page->id === $this->cartPage) $step = 'shoppingCart';
		else $step = 'information';

		$anchors = true;
		if ($step == $checkoutModule->completedUrlSegment || $step == $checkoutModule->paymentUrlSegment) {
			$anchors = false;
		}

		$out = "<ol id='$id'>";

		if ($step == "shoppingCart") {
			$class = "sc_active sc_shoppingcart";
			$anchors = false;
		} else {
			$class = "sc_shoppingcart";
		}

		if($cartPage->id) {
			$out .= "<li class='$class'><p>";
			if ($anchors) $out .= "<a href='{$cartPage->url}'>";
			$out .= $this->_('Shopping cart');
			if ($anchors) $out .= "</a>";
			$out .= "</p></li>";
		}


		if ($step == "information") {
			$class = "sc_active sc_information";
			$anchors = false;
		} else {
			$class = "sc_information";
		}

		$out .= "<li class='$class'><p>";
		if ($anchors) $out .= "<a href='{$checkoutPage->url}'>";
		$out .= $this->_('My information');
		if ($anchors) $out .= "</a>";
		$out .= "</p></li>";

		$class = ($step == $checkoutModule->confirmationUrlSegment) ? "sc_active sc_confirmation" : "sc_confirmation";
		$out .= "<li class='$class'><p>". $this->_('Place order') ."</p></li>";

		$class = ($step == $checkoutModule->paymentUrlSegment) ? "sc_active sc_payment" : "sc_payment";
		$out .= "<li class='$class'><p>". $this->_('Pay order') ."</p></li>";

		$class = ($step == $checkoutModule->completedUrlSegment) ? "sc_active sc_completed" : "sc_completed";
		$out .= "<li class='$class'><p>". $this->_('Completed') ."</p></li>";

		$out .= "</ol>";
		return $out;
	}


	static public function getModuleConfigInputfields(Array $data) {
		// this is a container for fields, basically like a fieldset
		$fields = new InputfieldWrapper();

		// since this is a static function, we can't use $this->modules, so get them from the global wire() function
		$modules = wire('modules');


		$field = $modules->get("InputfieldPageListSelect");
		$field->attr('name', 'cartPage');
		$field->attr('value', isset($data['cartPage']) ? $data['cartPage'] : '');
		$field->label = "Location of shopping cart page";
		$field->description = "If you leave this empty, shopping cart page will not be visible on shopping steps breadcrumb.";
		$fields->add($field);

		return $fields;
	}

	public function install() {

	}

	public function uninstall() {

	}
}