private void SaveButton_Click(object sender, RoutedEventArgs e)
{
int size = 0;
for (int i = 0; i < App.DViewModel.AllDataItems.Count; i++)
{
DiaryItem maxItem = App.DViewModel.AllDataItems[i];
if (size < maxItem.DiaryItemId)
{
size = maxItem.DiaryItemId;
}
}
DiaryItem newItem = new DiaryItem
{
DiaryItemId = size + 1,
DiaryTitle = this.TitleText.Text,
DiaryContent = this.Content.Text,
MoodTag = this.moodPicker.SelectedIndex,
DiaryTime = DateTime.Now,
};
if(App.selectedIndex == -1)
{
App.DViewModel.AddDataItem(newItem);
}
else
{
App.DViewModel.ModifyDataItem(App.selectedIndex, newItem);
}
this.NavigationService.Navigate(new Uri("/DefaultPage.xaml", UriKind.Relative));
MessageBox.Show("Save diary successfully!\nSave time:"+newItem.DiaryTime.ToString("yyyy-MM-dd HH:mm:ss"));
}
public void AddDataItem(DiaryItem newDataItem)
{
// Add a to-do item to the data context.
dataDB.Items.InsertOnSubmit(newDataItem);
// Save changes to the database.
dataDB.SubmitChanges();
// Add a to-do item to the "all" observable collection.
AllDataItems.Add(newDataItem);
}
public void ModifyDataItem(int Id, DiaryItem dataForModify)
{
DiaryItem tmpItem = AllDataItems[Id];
IQueryable<DiaryItem> tmpItemQuery = from DiaryItem data in dataDB.Items
where data.DiaryItemId == tmpItem.DiaryItemId
select data;
DiaryItem tmpItem1 = tmpItemQuery.FirstOrDefault();
tmpItem1.DiaryTitle = dataForModify.DiaryTitle;
tmpItem1.DiaryContent = dataForModify.DiaryContent;
tmpItem1.DiaryTime = dataForModify.DiaryTime;
tmpItem1.MoodTag = dataForModify.MoodTag;
dataDB.SubmitChanges();
}
