public MainWindowViewModel()
{
// Connect to database
_DBGateway = new DatabaseGateway($"Data Source={App.databasePath};");
// Load all data
_DBGateway.LoadAllData();
// Convert data to VMs
ObservableCollection <TaskViewModel> taskItems = new ObservableCollection <TaskViewModel>();
ObservableCollection <WBSViewModel> wbsItems = new ObservableCollection <WBSViewModel>();
foreach (WBS wbsItem in _DBGateway.WBSs)
{
WBSViewModel wbsVM = new WBSViewModel(wbsItem, _DBGateway);
wbsItems.Add(wbsVM);
}
foreach (TaskItem taskItem in _DBGateway.TaskItems)
{
TaskViewModel taskVM = new TaskViewModel(taskItem, _DBGateway);
if (taskItem.WBSId != null)
{
foreach (WBSViewModel wbsVM in wbsItems)
{
if (taskItem.WBSId == wbsVM.WBSItem.WBSId)
{
taskVM.WBSVM = wbsVM;
break;
}
}
}
taskItems.Add(taskVM);
}
TimerAsync ta = new TimerAsync();
ta.StartTimer();
// Add available pages
PageViewModels.Add("task", new TaskPageViewModel(_DBGateway, taskItems, wbsItems, ta));
PageViewModels.Add("wbs", new WBSPageViewModel(_DBGateway, wbsItems, taskItems));
// Set starting page
CurrentPageViewModel = PageViewModels["task"];
}
public void DeleteWBS(WBSViewModel wbs)
{
// Check if currently used by task
foreach (TaskViewModel taskVM in TaskViewModels)
{
if (taskVM.WBSVM == null)
{
continue;
}
else if (taskVM.WBSVM.WBSItem.WBSId == wbs.WBSItem.WBSId)
{
return;
}
}
// Delete task from database
_dbGateway.DeleteWBS(wbs.WBSItem);
// Remove task from collection
WBSViewModels.Remove(wbs);
}