//跳转到页面触发
public override async Task OnNavigatedToAsync(object parameter, NavigationMode mode, IDictionary <string, object> suspensionState)
{
//对象实例化
var result = InitAsync();
//加载数据库数据
var log = await LoadDbLogAsync();
var site = await LoadDbSiteAsync();
var selectResult = await ChartDao.AddInfoForSiteAsync(site);
Infos.SiteSelected = selectResult.Item2;
Infos.Logs = log;
Infos.SiteInfoCompleted = selectResult.Item1;
//计算图表数据
var getResult = await Task.Run(() => ChartDao.StatisticsSiteRequestResultAsync(Infos.SiteSelected, Infos.Logs));
Infos.LineChartCollection = getResult.Item1;
Infos.BarChart = getResult.Item2;
Lengend = await ChartDao.SetLineChartLengendAsync(Infos.SiteSelected);
//图表加载完毕后切换加载状态
Infos.State3 = Visibility.Collapsed;
Infos.State1 = Visibility.Visible;
}
/// <summary>
/// 确定站点并切换页面 创建: fjl
/// </summary>
public async Task <bool> AcceptClickAsync()
{
//清空数据，重新统计
Infos.SiteSelected.Clear();
Lengend.Clear();
Infos.BarChart.Clear();
Infos.LineChartCollection.Clear();
foreach (var item in Infos.SiteInfoCompleted.Where(i => i.IsSelected == true).Select(i => i.Site))
{
//获取选择的站点
Infos.SiteSelected.Add(item);
}
//选择站点数量大于上限进行提示
if (Infos.SiteSelected.Count > MAX_NUMBER_OF_SITE)
{
var msgDialog = new Windows.UI.Popups.MessageDialog("站点最多选择五个！！")
{
Title = "错误提示"
};
await msgDialog.ShowAsync();
return(false);
}
else
{
Infos.State2 = Visibility.Collapsed;
Infos.State3 = Visibility.Visible;
Lengend = await ChartDao.SetLineChartLengendAsync(Infos.SiteSelected);
//对选择的站点统计其数据
var getResult = await ChartDao.StatisticsSiteRequestResultAsync(Infos.SiteSelected, Infos.Logs);
Infos.LineChartCollection = getResult.Item1;
Infos.BarChart = getResult.Item2;
Infos.State3 = Visibility.Collapsed;
Infos.State1 = Visibility.Visible;
return(true);
}
}