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<?php
prado::using ('System.Web.UI.ActiveControls.*');
class Home extends TPage
{
public function onInit ($param)
{
parent::onInit($param);
if (!$this->getIsPostBack() && !$this->getIsCallBack())
{
$this->populateProductList();
$this->populateShoppingList();
}
}
private function getProductData ()
{
return array (
array (
'ProductId' => 'Product1',
'ProductImageUrl' => $this->publishAsset('images/product1.png'),
'ProductTitle' => 'Cup'
),
array (
'ProductId' => 'Product2',
'ProductImageUrl' => $this->publishAsset('images/product2.png'),
'ProductTitle' => 'T-Shirt'
)
);
}
private function getProduct ($key)
{
foreach ($this->getProductData() as $product)
if ($product['ProductId']==$key) return $product;
return null;
}
protected function populateProductList ()
{
$this->ProductList->DataSource=$this->getProductData();
$this->ProductList->Databind();
}
protected function populateShoppingList ()
{
$this->ShoppingList->DataSource=$this->getShoppingListData();
$this->ShoppingList->Databind();
}
public function getShoppingListData ()
{
return $this->getViewState('ShoppingList', array ());
}
public function setShoppingListData ($value)
{
$this->setViewState('ShoppingList', TPropertyValue::ensureArray($value), array ());
}
public function addItemToCart ($sender, $param)
{
$control=$param->getDroppedControl();
// Get the Key from the repeater item
$item=$control->getNamingContainer();
$key=$this->ProductList->getDataKeys()->itemAt($item->getItemIndex());
$product=$this->getProduct($key);
$shoppingList=$this->getShoppingListData();
if (isset ($shoppingList[$key]))
{
// Already an item of this type, increment counter
$shoppingList[$key]['ProductCount']++;
}
else
{
// Add an item to the shopping list
$shoppingList[$key]=$product;
$shoppingList[$key]['ProductCount']=1;
}
$this->setShoppingListData($shoppingList);
}
public function removeItemFromCart ($sender, $param)
{
$control=$param->getDroppedControl();
$item=$control->getNamingContainer();
$key=$this->ShoppingList->getDataKeys()->itemAt($item->getItemIndex());
$shoppingList=$this->getShoppingListData();
if (isset($shoppingList[$key]))
{
if ($shoppingList[$key]['ProductCount'] > 1)
$shoppingList[$key]['ProductCount'] --;
else
unset($shoppingList[$key]);
}
$this->setShoppingListData($shoppingList);
}
public function redrawCart ($sender, $param)
{
$this->populateShoppingList();
$this->cart->render($param->NewWriter);
}
}
|
