private async void uploadme_Click(object sender, RoutedEventArgs e)
{
//pick = true;//确定marker已选
/*AGeolocator ageol = new AGeolocator(); //初始化一个AGeolocator对象
//设置位置改变监听器，调用ageol_PositionChanged 函数
ageol.PositionChanged += ageol_PositionChanged;*/
if (!pick)
{
MessageDialog msg = new MessageDialog("请先定位");
await msg.ShowAsync();
}
else
{
Boolean check = false;
if (ListItems.Items.Count == 0)
check = true;
for (int i = 0; i < ListItems.Items.Count; i++)
{
location2 item = new location2();
item = ListItems.Items[i] as location2;
if (item.user_id.Equals(user.UserId.ToString()))
{
check = true;
item.x = marker.LngLat.LngX;
item.y = marker.LngLat.LatY;
UpdateCheckedTodoItem(item);
/*MessageDialog msg = new MessageDialog(item.x.ToString() + " " + item.y.ToString());
msg.ShowAsync();*/
//break;
}
}
if (!check)
{
var location_item = new location { x = marker.LngLat.LngX, y = marker.LngLat.LatY, Text = name, user_id = user.UserId.ToString() };
InsertTodoItem(location_item);
}
me_x = marker.LngLat.LngX;
me_y = marker.LngLat.LatY;
for (int i = 0; i < items2_t.Count; i++)
{
if (items2_t[i].value>0&&items2_t[i].Text!=name)
{
//MessageDialog msg = new MessageDialog(items2_t[i].value.ToString());
/*MessageDialog msg = new MessageDialog(GetDistance(me_y,me_x,items2_t[i].y,items2_t[i].x).ToString());
await msg.ShowAsync();*/
double dist=GetDistance(me_y,me_x,items2_t[i].y,items2_t[i].x);
if (dist < 2000)
{
senttalkcontent("0","0",items2_t[i].Text,items2_t[i].user_id,name+"在您附近"+dist.ToString()+"米");
}
}
}
}
}
private async void DeleteTodoItem(location2 location_item)
{
//await todoTable.DeleteAsync(location_item);
location location_item2 = new location();
location_item2.Id = location_item.Id;
location_item2.Text = location_item.Text;
location_item2.user_id = location_item.user_id;
location_item2.x = location_item.x;
location_item2.y = location_item.y;
items2_t.Remove(location_item);
await todoTable.DeleteAsync(location_item2);
await RefreshTodoItems();
//items.Remove(location_item);
}
private async void UpdateCheckedTodoItem(location2 item)
{
// This code takes a freshly completed TodoItem and updates the database. When the MobileService
// responds, the item is removed from the list
location location_item2 = new location();
location_item2.Id = item.Id;
location_item2.Text = item.Text;
location_item2.user_id = item.user_id;
location_item2.x = item.x;
location_item2.y = item.y;
await todoTable.UpdateAsync(location_item2);
await RefreshTodoItems();
//items.Remove(item);
}
private async void InsertTodoItem(location location_item)
{
// This code inserts a new TodoItem into the database. When the operation completes
// and Mobile Services has assigned an Id, the item is added to the CollectionView
await todoTable.InsertAsync(location_item);
location2 location_item2 = new location2();
location_item2.Id = location_item.Id;
location_item2.Text = location_item.Text;
location_item2.user_id = location_item.user_id;
location_item2.x = location_item.x;
location_item2.y = location_item.y;
location_item2.value = 10;
location_item2.image = new BitmapImage(new Uri("ms-appx:///Assets/res/我.png", UriKind.Absolute));
items2_t.Add(location_item2);
await RefreshTodoItems();
//items.Add(location_item);
}
