private async Task DeleteItem (TaskItem task)
{
var confirmed = await UserDialogs.Instance.ConfirmAsync (
string.Format ("Are you sure you want to delete '{0}'?", task.Name),
"Delete Task",
"Yes",
"No");
if (confirmed) {
using (UserDialogs.Instance.Loading ("Deleting task...")) {
// update DB
await db.DeleteAsync (task);
// update UI
var tasks = (ObservableCollection<TaskItem>)listView.ItemsSource;
tasks.Remove (task);
}
}
}
private async Task EditItem (TaskItem task)
{
if (task == null) {
task = new TaskItem ();
}
// get a new name
var result = await UserDialogs.Instance.PromptAsync (
"Enter the name of the task:",
"Task",
"Add",
"Cancel",
"Task name");
if (result.Ok) {
var name = result.Text.Trim ();
if (string.IsNullOrEmpty (name)) {
// there was no name provided
await UserDialogs.Instance.AlertAsync (
"The task must have a name.",
"Task");
} else {
// start adding tasks
task.Name = name;
using (UserDialogs.Instance.Loading ("Saving task...")) {
// update DB
if (task.Id == 0) {
await db.InsertAsync (task);
} else {
await db.UpdateAsync (task);
}
// update UI
await RefreshList ();
}
}
}
}
private async Task CompleteItem (TaskItem task)
{
task.Completed = !task.Completed;
using (UserDialogs.Instance.Loading ("Saving task...")) {
// update DB
await db.UpdateAsync (task);
// update UI
await RefreshList ();
}
}
