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