public bool DeleteItem(long itemId)
{
try
{
RemarkNote item = GetItemById(itemId);
if (item == null)
{
return(false);
}
if (Notes != null)//remove item from memory
{
Notes.Remove(item);
}
if (!XmlFile.RemoveSection(itemId + ""))
{
return(false);
}
else
{
RiseEvent(OnItemRemoved, item);
XmlFile.SaveDocument();
return(true);
}
}
catch (Exception ex) { LastException = ex; return(false); }
}
/// <summary>
/// Save this item to xml file
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
private bool SaveItem(RemarkNote item)
{
try
{
string section = item.Id + "";
XmlFile.SetValue(section, RemarkNoteDataNames.Text, item.Text);
XmlFile.SetValue(section, RemarkNoteDataNames.Time, item.Time.ToBinary() + "");
XmlFile.SetValue(section, RemarkNoteDataNames.IsRead, item.IsRead + "");
return(true);
}
catch (Exception ex) { LastException = ex; return(false); }
}
private RemarkNote GetRecord(string section)
{
try
{
Dictionary <string, string> data = XmlFile.GetEntryValues(section);
RemarkNote item = new RemarkNote();
item.Text = data[RemarkNoteDataNames.Text];
item.Time = DateTime.FromBinary(long.Parse(data[RemarkNoteDataNames.Time]));
item.IsRead = bool.Parse(data[RemarkNoteDataNames.IsRead]);
return(item);
}
catch { return(null); }
}
private void item_OnDataChanged(object sender, DataChangeEventArgs e)
{
try
{
RemarkNote item = (RemarkNote)sender;
if (item == null)
{
return;
}
RiseEvent(OnItemEdited, sender, e);
string section = item.Id + "";
string newValue = e.NewValue is DateTime ? ((DateTime)e.NewValue).ToBinary() + "" : e.NewValue + "";
if (e.DataName == RemarkNoteDataNames.Time && ((DateTime)e.NewValue) > DateTime.Now)
{
item.IsRead = false;
}
XmlFile.SetValue(section, e.DataName, newValue);
XmlFile.SaveDocument();
}
catch { }
}
private void LoadRecords()
{
Notes = new List <RemarkNote>();
List <string> sections = XmlFile.GetSectionNames();
foreach (string section in sections)
{
RemarkNote item = GetRecord(section);
if (item == null)
{
continue;
}
item.Id = long.Parse(section);
if (item.Id > MaxId)
{
MaxId = item.Id;
}
RegisterItemEvents(item);
Notes.Add(item);
}
// Items.Sort(PhoneItemComparer.Instance);
}
/// <summary>
/// If the item found return
/// Return null if the add item failied
/// </summary>
/// <param name="item"></param>
public RemarkNote AddItem(string Text, DateTime Time)
{
try
{
RemarkNote item = new RemarkNote(Text, Time);
item.Id = ++MaxId;
if (SaveItem(item))
{
RegisterItemEvents(item);
if (Notes != null)
{
Notes.Add(item);
}
RiseEvent(OnItemAdded, item);
XmlFile.SaveDocument();
return(item);
}
else
{
return(null);
}
}
catch (Exception ex) { LastException = ex; return(null); }
}
private void RegisterItemEvents(RemarkNote item)
{
item.OnDataChanged += new SIPProvider.SIPCore.DataChanged(item_OnDataChanged);
}