购物车中赠品或者加价购的商品增加编辑功能. code review by 张振

@@ -99,6 +99,17 @@ function checkColorSizeNum() {
     return true;
 }
 
+//禁用数字编辑
+function disableNumEdit() {
+    var $numBtn = $('.chose-panel').find('.num .btn>.iconfont');
+
+    //添加disabled样式
+    $numBtn.hasClass('disabled') ? null : $numBtn.addClass('disabled');
+
+    $yohoPage.off('touchstart', '.btn-minus');
+    $yohoPage.off('touchstart', '.btn-plus');
+}
+
 
 function show(html, cb) {
     var scrollPosition = [
@@ -116,8 +127,7 @@ function show(html, cb) {
     if (html) {
         $chosePanel.html(html);
         if ($('#promotionId').val() !== '') {
-            $yohoPage.off('touchstart', '.btn-minus');
-            $yohoPage.off('touchstart', '.btn-plus');
+            disableNumEdit();
         }
         init();
     }
@@ -497,4 +507,5 @@ exports.init = init;
 exports.show = show;
 exports.remove = removePannel;
 exports.setEditModeWithSknId = setEditModeWithSknId;
+exports.disableNumEdit = disableNumEdit;
 

@@ -16,6 +16,9 @@ var dialog = require('../me/dialog'),
 var $selectAllBtn = $('.balance .checkbox'),
     requesting = false;
 
+//上次编辑的商品skn
+var previousEditSkn;
+
 ellipsis.init();
 
 lazyLoad({
@@ -86,11 +89,12 @@ $('.cart-goods').on('touchstart', '.checkbox', function() {
  *
  * @param {Bool} isSelected. 所要编辑的商品是否被选中
  *
- * @return false;
+ * @param {Bool} isEditNum. 所要编辑的商品是否被选中
+ *
+ * @return false or undefined
  *
  */
-function showEditPannelWithSku(html, id, isSelected) {
-
+function showEditPannelWithSku(html, id, isSelected, isEditNum) {
     if (html.length < 2) {
         tip.show('出错啦！');
         return false;
@@ -100,21 +104,47 @@ function showEditPannelWithSku(html, id, isSelected) {
     chosePanel.remove();
 
     $(html).appendTo('#mainCart');
+
+
     chosePanel.init();
     chosePanel.setEditModeWithSknId(id, isSelected);
-    chosePanel.show();
 
-    return false;
+    if (!isEditNum) {
+        chosePanel.disableNumEdit();
+    }
+
+    chosePanel.show();
 }
 
 
 $('.icon-edit').on('touchstart', function(e) {
     var $this = $(this),
-        $checkBox = $this.closest('.info').siblings('.checkbox');
+        skn = $this.closest('.shopping-cart-good').data('skn');
+
+    var $checkBox,
+        $tag;
+
+    var id,
+        count,
+        canEditNum;
+
+    //如果点击的是上次编辑的商品,直接显示chose-pannel
+    if (skn === previousEditSkn) {
+        chosePanel.show();
+        return;
+    }
+
+    previousEditSkn = skn;
+
+
+    $checkBox = $this.closest('.info').siblings('.checkbox');
+    $tag = $this.closest('.deps').siblings('.few-tag');
+
+    id = $this.closest('.shopping-cart-good').data('id');
+    count = $this.data('count');
 
-    var skn = $this.closest('.shopping-cart-good').data('skn'),
-        id = $this.closest('.shopping-cart-good').data('id'),
-        count = $this.data('count');
+    //加价购或者赠品不能编辑数量
+    canEditNum = $tag.hasClass('gift-tag') || $tag.hasClass('plus-tag') ? false : true;
 
     e.stopPropagation();
 
@@ -128,7 +158,7 @@ $('.icon-edit').on('touchstart', function(e) {
             buy_num: count
         },
         success: function(res) {
-            showEditPannelWithSku(res, id, $checkBox.hasClass('icon-cb-checked'));
+            showEditPannelWithSku(res, id, $checkBox.hasClass('icon-cb-checked'), canEditNum);
         },
         error: function() {
             tip.show('网络异常');