Subversion-Projekte lars-tiefland.prado

<?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('assets/product1.png'),
                                'ProductTitle' => 'Cup'
                        ),
                        array (
                                'ProductId' => 'Product2',
                                'ProductImageUrl' => $this->publishAsset('assets/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);
                
        }
}
?>