zhipuzi_pos_windows/zhipuzi_pos_windows/control/OrderListUI.cpp

#include "../pch/pch.h"
#include "OrderListUI.h"

#include "CWaimaiOrderItemUI.h"

#include "ControlEx.h"

OrderListUI::OrderListUI()
{
	
}

OrderListUI::~OrderListUI()
{
	
}

void OrderListUI::Refresh()
{
	//开始转菊花
	this->SetVisible(false);

	m_pManager->FindControl(_T("main_orderlist_loading"))->SetVisible(true);

	//启动一个线程，进行网络请求操作
	OrderListStatus* status =  new OrderListStatus;
	status->m_status = m_status;
	status->m_page = m_page;

	std::thread t(&OrderListUI::HandleRefresh, this, status);
	t.detach();
}

void OrderListUI::HandleRefresh(OrderListStatus* status)
{
	std::string url;
	if (status->m_status == 1)
	{
		url = "/waimaiorder/getopenlist";
	}
	else if (status->m_status == 2)
	{
		url = "/waimaiorder/getconfirmedlist";
	}
	else if (status->m_status == 3)
	{
		url = "/waimaiorder/getdeliverylist";
	}
	else if (status->m_status == 4)
	{
		url = "/waimaiorder/getsucceededlist";
	}
	else if (status->m_status == 5)
	{
		url = "/waimaiorder/getfailedlist";
	}
	else if (status->m_status == 6)
	{
		url = "/waimaiorder/getcancelledlist";
	}
	else if (status->m_status == 7)
	{
		url = "/waimaiorder/getrefundlist";
	}

	//请求外卖的未处理订单，直接用当前的page值去请求
	std::map<string, string> params;
	params["page"] = to_string(status->m_page);
	std::string response;

	CZhipuziHttpClient::Request(url.c_str(), params, response);

	//走到这里，网络请求结束了，对比状态是否发生了改变
	if (status->m_page != m_page || status->m_status != m_status)
	{
		//用户已经点击了其他状态，这个状态结果无效了，直接返回
		delete status;
		return;
	}
		
	//将网络返回结果保存起来，等待消息处理重新渲染页面
	m_response = response;

	::PostMessage(m_pManager->GetPaintWindow(), WM_ORDERLIST_REFRESH, 0, 0);

	delete status;
}

void OrderListUI::DoRefresh()
{
	//请求成功之后，清空之前的数据
	this->RemoveAll();

	rapidjson::Document document;
	document.Parse(m_response.c_str());

	if (document.HasParseError())
	{
		LOG_INFO("parse response error!");
		return;
	}

	if (!document.HasMember("errcode") || !document.HasMember("errmsg") || !document.HasMember("data"))
	{
		LOG_INFO("json error!");
		return;
	}

	rapidjson::Value& v_errcode = document["errcode"];
	int errcode = v_errcode.GetInt();
	if (errcode != 0)
	{
		LOG_INFO("response failed! message:" << document["errmsg"].GetString());
		return;
	}

	//获得数据成功
	rapidjson::Value& data = document["data"];

	rapidjson::Value& v_count = data["count"];
	string count = v_count.GetString();

	//处理页数
	int nCount = atoi(count.c_str());
	m_total_page = (int)ceil(nCount / 20.0);
	if (m_total_page < 1)
	{
		m_total_page = 1;
	}

	if (m_page <= 1)
	{
		m_page = 1;
		CButtonUI* pControl = static_cast<CButtonUI*>(m_pManager->FindControl(_T("waimai_order_list_last")));
		pControl->SetEnabled(false);
	}
	if (m_page >= m_total_page)
	{
		m_page = m_total_page;
		CButtonUI* pControl = static_cast<CButtonUI*>(m_pManager->FindControl(_T("waimai_order_list_next")));
		pControl->SetEnabled(false);
	}

	if (m_page > 1)
	{
		CButtonUI* pControl = static_cast<CButtonUI*>(m_pManager->FindControl(_T("waimai_order_list_last")));
		pControl->SetEnabled(true);
	}
	if (m_page < m_total_page)
	{
		CButtonUI* pControl = static_cast<CButtonUI*>(m_pManager->FindControl(_T("waimai_order_list_next")));
		pControl->SetEnabled(true);
	}

	CLabelUI* pControl = static_cast<CLabelUI*>(m_pManager->FindControl(_T("waimai_order_list_page")));
	wstring pageinfo = _T("第 ") + CLewaimaiString::ANSIToUnicode(to_string(m_page)) + _T("页/共 ") + CLewaimaiString::ANSIToUnicode(to_string(m_total_page)) + _T("页");
	pControl->SetText(pageinfo.c_str());

	rapidjson::Value& v_rows = data["rows"];

	for (rapidjson::SizeType i = 0; i < v_rows.Size(); ++i)
	{
		rapidjson::Value& v_row_i = v_rows[i];

		//创建一个对象
		CDialogBuilder builder;
		CDialogBuilderCallbackEx cb;

		CWaimaiOrderItemUI* pItem = static_cast<CWaimaiOrderItemUI*>(builder.Create(_T("waimai_order_item.xml"), (UINT)0, &cb, m_pManager));
		if (pItem != NULL)
		{
			//初始化该对应的数据
			pItem->SetStatus(m_status);

			pItem->SetData(v_row_i);

			this->Add(pItem);

			pItem = NULL;
		}
		else
		{
			LOG_INFO("create waimai_order_item fail!");
		}
	}

	//重置滚动条的位置
	tagSIZE size;
	size.cx = 0;
	size.cy = 0;
	this->SetScrollPos(size);

	this->SetVisible(true);

	m_pManager->FindControl(_T("main_orderlist_loading"))->SetVisible(false);
}

void OrderListUI::LastPage()
{
	m_page--;
	if (m_page < 1)
	{
		m_page = 1;
	}

	if (m_page == 1)
	{
		CButtonUI* pControl = static_cast<CButtonUI*>(m_pManager->FindControl(_T("waimai_order_list_last")));
		pControl->SetEnabled(false);
	}

	Refresh();
}

void OrderListUI::NextPage()
{
	m_page++;
	if (m_page > m_total_page)
	{
		m_page = m_total_page;
	}

	if (m_page == m_total_page)
	{
		CButtonUI* pControl = static_cast<CButtonUI*>(m_pManager->FindControl(_T("waimai_order_list_next")));
		pControl->SetEnabled(false);
	}

	Refresh();
}

void OrderListUI::DoEvent(TEventUI& event)
{
	CVerticalLayoutUI::DoEvent(event);
}