/// <summary>
/// Adds a button to create new time entries.
/// </summary>
private void addCreateNewTimeButton()
{
if (null == createNewTimeButton)
{
createNewTimeButton = ToolbarHelper.createAddTimeEntryButton();
createNewTimeButton.Clicked += async(sender, args) =>
{
msdyn_timeentry timeEntry = new msdyn_timeentry();
// Create a time entry using the current month and navigate to details page.
if (this.viewModel != null)
{
this.viewModel.DefaultDateFromCurrentFilter(timeEntry);
}
await NavigateToTimeDetailsView(timeEntry);
};
}
this.ToolbarItems.Add(createNewTimeButton);
}
protected override void SetToolbarItems()
{
base.SetToolbarItems();
this.setEditableEntryToolbarItems();
this.setSubmittedEntryToolbarItems();
// Create new time entry from this page, applicable to all time entries.
createTimeCommand = ToolbarHelper.createAddTimeEntryButton();
createTimeCommand.Clicked += async(sender, args) =>
{
if (await this.saveTimeEntry(false))
{
msdyn_timeentry timeEntry = new msdyn_timeentry();
TimeDetailsPage timeDetailsPage = new TimeDetailsPage();
this.Navigation.InsertPageBefore(timeDetailsPage, this);
await timeDetailsPage.Initialize(new TimeViewModel(timeEntry));
await this.Navigation.PopAsync();
}
};
this.ToolbarItems.Add(createTimeCommand);
}
/// <summary>
/// Set all the toolbar items required for editable time entries
/// and removed other unwanted toolbar items.
/// </summary>
private void setEditableEntryToolbarItems()
{
if (ViewModel.CanEdit())
{
// Delete command.
deleteTimeCommand = ToolbarHelper.createDeleteButton();
deleteTimeCommand.Command = new RelayCommandAsync(async() =>
{
// Since the toolbar items cannot be disabled, disable the action if
// there is already an action going on in the view model.
if (!this.ViewModel.IsBusy)
{
ViewModel.IsBusy = true;
this.setEditabilityOfControls(false); // Prevent user from being able to edit while submit happens.
// Delete the time entry and go back to the caller page, if exists.
if (await this.ViewModel.Delete())
{
MessagingCenter.Send <Page>(this, Message.RefreshMainPage);
if (Navigation.NavigationStack.Count > 0)
{
await Navigation.PopAsync();
}
}
else
{
// Delete failed so stay on the page and enable controls again.
this.setEditabilityOfControls(true);
}
ViewModel.IsBusy = false;
}
});
// Save command.
saveTimeCommand = ToolbarHelper.createSaveButton();
saveTimeCommand.Command = new RelayCommandAsync(async() =>
{
await this.saveTimeEntry(true);
});
// Submit command.
submitTimeCommand = ToolbarHelper.createSubmitButton();
submitTimeCommand.Command = new RelayCommandAsync(async() =>
{
// Since the toolbar items cannot be disabled, disable the action if
// there is already an action going on in the view model.
if (!this.ViewModel.IsBusy)
{
this.ViewModel.IsBusy = true;
// Required because the unfocused method (binding) is triggered after submit is completed.
// Only if the duration is entered in the correct format do we save.
if (BindDurationToViewModel(this.durationEntry))
{
this.setEditabilityOfControls(false); // Prevent user from being able to edit while submit happens.
// Submit the time entry and go back to the caller page.
if (await this.ViewModel.Submit() && this.Navigation.NavigationStack.Count > 0)
{
MessagingCenter.Send <Page>(this, Message.RefreshMainPage);
await this.Navigation.PopAsync();
}
else
{
// Submit failed so stay on the page and enable controls again.
await MessageCenter.ShowErrorMessage(AppResources.SubmitError);
this.setEditabilityOfControls(true);
}
}
// No need to reset editability of controls here since after submit this page is closed.
this.ViewModel.IsBusy = false;
}
});
// Clear the toolbar first to prevent double adding.
this.ToolbarItems.Clear();
this.ToolbarItems.Add(submitTimeCommand);
this.ToolbarItems.Add(saveTimeCommand);
this.ToolbarItems.Add(deleteTimeCommand);
}
}