购物车编辑功能更改，code review by LZF

@@ -34,6 +34,11 @@ var $chosePanel = $('#chose-panel'),
     $soonSoldOut = $('.soonSoldOut-tag'),
     $yohoPage = $('.yoho-page');
 
+//购物车编辑标相关变量
+var isEdit,
+    isSelected,
+    oldSknId;
+
 //初始化购物车面板显示
 function init() {
     hasChooseColor = false;
@@ -47,6 +52,37 @@ function init() {
     $leftNum = $('#left-num');
     curColorIndex = 0;
     curSizeIndex = 0;
+    isEdit = 0;
+}
+
+/*
+ * 设置当前面板为编辑模式
+ *
+ * @param {String} sknId. 当前编辑商品的sknId
+ *
+ * @param {Bool} isThisGoodSelected. 当前编辑商品的在购物车中是否被选中
+ *
+ * @return {undefined}
+ */
+function setEditModeWithSknId(sknId, isThisGoodSelected) {
+    $('#chose-btn-sure').html('确认');
+    isEdit = 1;
+    oldSknId = sknId;
+    isSelected = isThisGoodSelected;
+}
+
+//删除面板
+function removePannel() {
+    var $pannel = $('.chose-panel'),
+        $promotionId = $('#promotionId');
+
+    if ($pannel) {
+        $pannel.remove();
+    }
+
+    if ($promotionId) {
+        $promotionId.remove();
+    }
 }
 
 function checkColorSizeNum() {
@@ -108,7 +144,7 @@ function updateConformButtonClassAndText() {
     if (2 === $chosed.closest('.zero-stock').length) {
         $('#chose-btn-sure').css('background-color', '#c0c0c0').html('已售罄');
     } else {
-        $('#chose-btn-sure').css('background-color', '#eb0313').html('加入购物车');
+        $('#chose-btn-sure').css('background-color', '#eb0313').html(isEdit ? '确认' : '加入购物车');
     }
 }
 
@@ -355,7 +391,8 @@ $yohoPage.on('touchstart', '.btn-minus', function() {
         buyNumber = $('#good-num').val() - 0,
 
         promotionId,
-        isEdit = 0,
+        cartGoodData,
+        url,
         num = parseInt($num.val(), 10);
 
     //颜色尺码没有选择
@@ -389,21 +426,39 @@ $yohoPage.on('touchstart', '.btn-minus', function() {
 
         confirming = true;
         loading.showLoadingMask();
-        $.ajax({
-            method: 'POST',
-            url: '/cart/index/add',
-            data: {
+
+        //针对是否处于编辑模式设置不同的url和需要post的数据
+        if (isEdit) {
+            cartGoodData = {
+                new_product_sku: productSku,
+                old_product_sku: oldSknId,
+                buy_number: buyNumber,
+                selected: isSelected
+            };
+
+            url = '/cart/index/modify';
+
+        } else {
+            cartGoodData = {
                 productSku: productSku,
                 buyNumber: buyNumber,
                 promotionId: promotionId,
                 isEdit: isEdit,
                 cartType: queryString.cartType
+            };
+
+            url = '/cart/index/add';
         }
+
+        $.ajax({
+            method: 'POST',
+            url: url,
+            data: cartGoodData
         }).done(function(res) {
             var cartNum;
 
             loading.hideLoadingMask();
-            if (res.code === 200) {
+            if (res.code === 200 && !isEdit) {
                 cartNum = res.data.goods_count;
                 if (cartNum > 99) {
                     cartNum = '99+';
@@ -415,11 +470,20 @@ $yohoPage.on('touchstart', '.btn-minus', function() {
                     cbFn();
                 }
             }
-            if (res.message) {
+            if (res.message && !isEdit) {
                 tip.show(res.message);
             }
 
             hide();
+
+            if (isEdit) {
+                loading.showLoadingMask();
+
+                //延迟刷新，否则面板可能无法隐藏
+                setTimeout(function() {
+                    window.location.reload();
+                }, 1);
+            }
         }).fail(function() {
             tip.show('网络出了点问题~');
         }).always(function() {
@@ -431,3 +495,6 @@ $yohoPage.on('touchstart', '.btn-minus', function() {
 
 exports.init = init;
 exports.show = show;
+exports.remove = removePannel;
+exports.setEditModeWithSknId = setEditModeWithSknId;
+

@@ -7,6 +7,7 @@
 var $ = require('jquery'),
     ellipsis = require('mlellipsis'),
     chosePanel = require('../cart/chose-panel'),
+    loading = require('../plugin/loading'),
     lazyLoad = require('yoho.lazyload');
 
 var dialog = require('../me/dialog'),
@@ -76,6 +77,69 @@ $('.cart-goods').on('touchstart', '.checkbox', function() {
     });
 });
 
+/*
+ * 显示购物车编辑面板。
+ *
+ * @param {String} html. chose-pannel模板,由服务端返回
+ *
+ * @param {String} id. 商品skuid
+ *
+ * @param {Bool} isSelected. 所要编辑的商品是否被选中
+ *
+ * @return false;
+ *
+ */
+function showEditPannelWithSku(html, id, isSelected) {
+
+    if (html.length < 2) {
+        tip.show('出错啦！');
+        return false;
+    }
+
+    //删掉页面上原有的pannel
+    chosePanel.remove();
+
+    $(html).appendTo('#mainCart');
+    chosePanel.init();
+    chosePanel.setEditModeWithSknId(id, isSelected);
+    chosePanel.show();
+
+    return false;
+}
+
+
+$('.icon-edit').on('touchstart', function(e) {
+    var $this = $(this),
+        $checkBox = $this.closest('.info').siblings('.checkbox');
+
+    var skn = $this.closest('.shopping-cart-good').data('skn'),
+        id = $this.closest('.shopping-cart-good').data('id'),
+        count = $this.data('count');
+
+    e.stopPropagation();
+
+    loading.showLoadingMask();
+
+
+    $.ajax({
+        url: '/cart/index/goodinfo',
+        data: {
+            skn: skn,
+            buy_num: count
+        },
+        success: function(res) {
+            showEditPannelWithSku(res, id, $checkBox.hasClass('icon-cb-checked'));
+        },
+        error: function() {
+            tip.show('网络异常');
+            window.location.reload();
+        },
+        complete: function() {
+            loading.hideLoadingMask();
+        }
+    });
+});
+
 $('.icon-del').on('touchstart', function(e) {
     var $this = $(this);
 

@@ -189,15 +189,19 @@ class IndexController extends AbstractAction
 
         if ($this->isAjax()) {
             $num = $this->get('buy_num', 1);
-            $skn = $this->get('id', 1);
+            $skn = $this->get('skn', 1);
             $uid = $this->getUid(true);
             $result = CartModel::cartProductData($uid, $skn, $num); // 测试skn的ID为51172055
             $result['num'] = $num;
         }
 
+        if (!isset($result['code'])) {
             $this->_view->display('gift-info', array(
                 'cartInfo' => $result
             ));
+        } else {
+            echo ' ';
+        }
     }
 
 //    /*