private void updateView() {
// TODO Auto-generated method stub
// 如果购物车中有数据，那么就显示数据，否则显示默认界面
is_choice = new boolean[arrayList_cart.size()];
tv_count.setText("(" + cartCount + ")");
if (arrayList_cart.size() != 0) {
dialog.setVisibility(View.GONE);
ll_cart_bottom.setVisibility(View.VISIBLE);
rl_cart.setVisibility(View.VISIBLE);
ll_cart.setVisibility(View.GONE);
adapter = new Adapter_ListView_cart(getActivity(), arrayList_cart);
adapter.setOnCheckedChanged(this);
adapter.setOnAddChanged(this);
adapter.setOnRedChanged(this);
// adapter.setGuiChanged(this);
listView_cart.setAdapter(adapter);
setListViewHeightBasedOnChildren(listView_cart);
} else {
dialog.setVisibility(View.GONE);
rl_cart.setVisibility(View.GONE);
ll_cart_bottom.setVisibility(View.GONE);
ll_cart.setVisibility(View.VISIBLE);
}
cb_cart_all.setOnCheckedChangeListener(
new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton arg0, boolean arg1) {
/*
* 判断一：（全选按钮选中）全选按钮是否选择，如果选择，那么列表每一行都选中
* 判断二：（全选按钮取消）当取消全选按钮时，会有两种情况
* ，第一：主动点击全选按钮，此时直接取消列表所有的选中状态，第二：取消列表某一行，导致全选取消，此时列表其他行仍然是选中
*
* 判断二的分析：（主动取消）判断列表每一行的选中状态，如果全部都是选中状态，那么（列表选中数=列表总数），此时属于主动取消，
* 则取消所有行的选中状态，反之（被动取消）则不响应
*/
// 记录列表每一行的选中状态数量
int isChoice_all = 0;
System.out.println(listView_cart.getChildCount() + "数量");
if (arg1) {
// 设置全选
for (int i = 0; i < arrayList_cart.size(); i++) {
// 如果选中了全选，那么就将列表的每一行都选中
((CheckBox) (listView_cart.getChildAt(i)).findViewById(R.id.cb_choice))
.setChecked(true);
}
} else {
// 设置全部取消
for (int i = 0; i < arrayList_cart.size(); i++) {
// 判断列表每一行是否处于选中状态，如果处于选中状态，则计数+1
if (((CheckBox) (listView_cart.getChildAt(i)).findViewById(R.id.cb_choice))
.isChecked()) {
// 计算出列表选中状态的数量
isChoice_all += 1;
}
}
// 判断列表选中数是否等于列表的总数，如果等于，那么就需要执行全部取消操作
if (isChoice_all == arrayList_cart.size()) {
// 如果没有选中了全选，那么就将列表的每一行都不选
for (int i = 0; i < arrayList_cart.size(); i++) {
// 列表每一行都取消
((CheckBox) (listView_cart.getChildAt(i)).findViewById(R.id.cb_choice))
.setChecked(false);
}
}
}
}
});
tv_cart_buy_Ordel.setOnClickListener(this);
// tv_goShop.setOnClickListener(this);
}
@Override
public void onDataChanged(String data) {
// TODO Auto-generated method stub
int code = -1;
JSONObject jsonObject = null;
try {
jsonObject = new JSONObject(data);
code = jsonObject.getInt("code");
} catch (JSONException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
switch (RequestState) {
case 3:
try {
if (code == 0) {
Toast.makeText(getActivity(), "修改购物车成功", Toast.LENGTH_SHORT).show();
// Log.v("修改购物车", jsonObject.toString());
// adapter.notifyDataSetChanged();
calPriceAndWeight(tempPostionRed, 0);
((TextView) (listView_cart.getChildAt(tempPostionRed)).findViewById(R.id.tv_pop_num))
.setText(
(Integer.parseInt(arrayList_cart.get(tempPostionRed).get("count").toString()))
+ "");
((TextView) (listView_cart.getChildAt(tempPostionRed)).findViewById(R.id.tv_num))
.setText(
"×"
+ (Integer.parseInt(
arrayList_cart.get(tempPostionRed).get("count").toString()))
+ "");
} else {
Toast.makeText(getActivity(), "库存不足", Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
break;
case 2:
try {
if (code == 0) {
System.out.println();
Toast.makeText(getActivity(), "修改购物车成功", Toast.LENGTH_SHORT).show();
// Log.v("修改购物车", jsonObject.toString());
// adapter.notifyDataSetChanged();
calPriceAndWeight(tempPostionAdd, 1);
((TextView) (listView_cart.getChildAt(tempPostionAdd)).findViewById(R.id.tv_pop_num))
.setText(
(Integer.parseInt(arrayList_cart.get(tempPostionAdd).get("count").toString()))
+ "");
((TextView) (listView_cart.getChildAt(tempPostionAdd)).findViewById(R.id.tv_num))
.setText(
"×"
+ (Integer.parseInt(
arrayList_cart.get(tempPostionAdd).get("count").toString()))
+ "");
// adapter.onDataChanged(arrayList_cart);
} else {
Toast.makeText(getActivity(), "库存不足", Toast.LENGTH_SHORT).show();
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
break;
case 4:
try {
if (code == 0) {
JSONArray jsonArray = new JSONArray(jsonObject.getString("data"));
cartCount = jsonArray.length();
if (jsonArray != null) {
for (int i = 0; i < jsonArray.length(); i++) {
JSONObject temp = (JSONObject) jsonArray.get(i);
HashMap<String, Object> hashMap = new HashMap<String, Object>();
hashMap.put("id", temp.getInt("id"));
hashMap.put("name", temp.getString("name"));
hashMap.put("count", temp.getInt("count"));
hashMap.put("price", temp.getString("price"));
hashMap.put("ori_price", temp.getDouble("ori_price"));
hashMap.put("express", temp.getString("express"));
hashMap.put("sku_id", temp.getString("sku_id"));
hashMap.put("psku_id", temp.getString("psku_id"));
hashMap.put("sku_desc", temp.getString("sku_desc"));
hashMap.put("icon_url", temp.getString("icon_url"));
hashMap.put("p_id", temp.getInt("p_id"));
hashMap.put("weight", temp.getString("weight"));
hashMap.put("taxrate", temp.getString("taxrate"));
arrayList_cart.add(hashMap);
System.out.println(temp.getDouble("ori_price"));
}
}
updateView(); // 数据请求成功时刷新页面
System.out.println(jsonObject.get("data"));
}
} catch (Exception e) {
// TODO: handle exception
updateView(); // 数据请求成功时刷新页面
e.printStackTrace();
// Toast.makeText(this, "添加购物车失败", Toast.LENGTH_SHORT).show();
}
break;
case 1:
try {
if (code == 0) {
Log.v("delete", "成功");
adapter.notifyDataSetChanged();
tv_count.setText("(" + (cartCount - 1) + ")");
setListViewHeightBasedOnChildren(listView_cart);
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
Toast.makeText(getActivity(), "删除失败", Toast.LENGTH_SHORT).show();
}
break;
default:
break;
}
}