/* REGARDING TAKING OVER DELETE FUNCTIONS ETC ...
* you would need to create and bind SelectedItem to act on that
* (then it would reflect in the view/datagrid)
* but then it also needs handling/converters for when the interface
* goes to the "new item" line. Trust you - you tried it already,
* but it was way too much work to start at 03:40 on the ward. ;-)
*/
/*
* public MyCommand ValidateDatabaseCommand { get; private set; }
* private void ExecuteValidateDatabaseCommand(object parameter)
* {
* MessageBox.Show("Not implemented.");
* }
*
* private bool CanExecuteValidateDatabaseCommand(object parameter)
* {
* if (MedcinData.IsEmpty())
* return false;
* else
* return true;
* }
*
* public MyCommand ValidateMedcinUIdCommand { get; private set; }
* private void ExecuteValidateMedcinUIdCommand(object parameter)
* {
* MessageBox.Show("Not implemented.");
* }
*
* private bool CanExecuteValidateMedcinUIdCommand(object parameter)
* {
* if (MedcinData.IsEmpty()) return false;
* else return true;
* } */
#endregion
#region METHODS
private void ExportXml(string path)
{
Busy = true;
// create a temporary file stream so that if something goes wrong,
// it doesn't corrupt the existing file
string tempFile = Path.GetTempFileName();
using (FileStream stream = File.Create(tempFile))
{
XmlWriterSettings settings = new XmlWriterSettings();
settings.Indent = true;
using (XmlWriter writer = XmlWriter.Create(stream, settings))
{
writer.WriteStartElement("MedcinTerms");
MedcinData.WriteXml(writer);
writer.WriteEndElement();
}
}
File.Copy(tempFile, path, true);
File.Delete(tempFile);
Dirty = false;
Busy = false;
}
private void SetupMenu()
{
// Tier 1: medcin term option
this.Header = "Choose a Medcin term ...";
// Tier 2: categories
List <MenuItem> tier2 = new List <MenuItem>();
foreach (Common.Category cat in Enum.GetValues(typeof(Common.Category)))
{
MenuItem item = new MenuItem();
item.Header = cat.ToString();
item.Tag = cat;
tier2.Add(item);
}
// Tier 3: medcin terms
foreach (var item in tier2)
{
IEnumerable <MedcinTerm> choices = MedcinData.ExtractBy((Category)item.Tag);
item.ItemsSource = choices;
}
// Tie it all together
this.ItemsSource = tier2;
}
private bool CanExecuteSaveDatabaseCommand(object parameter)
{
if (MedcinData.IsEmpty())
{
return(false);
}
else
{
return(true);
}
}
private void ImportXml(string path)
{
Busy = true;
XmlReaderSettings settings = new XmlReaderSettings();
settings.IgnoreWhitespace = true;
using (XmlReader reader = XmlReader.Create(path, settings))
{
MedcinData.ReadXml(reader);
}
Dirty = false;
Busy = false;
}
private void ExecuteNewDatabaseCommand(object parameter)
{
// prevent user from inadvertently losing work
if (!MedcinData.IsEmpty() && Dirty)
{
MessageBoxResult result = MessageBox.Show("Current database has unsaved changes which will be lost. Proceed?",
"Confirmation", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result == MessageBoxResult.No)
{
return;
}
}
MedcinData.Reset();
curFilePath = "";
Dirty = false;
}
private void ExecuteOpenDatabaseCommand(object parameter)
{
// prevent user from inadvertently losing work
if (!MedcinData.IsEmpty() && Dirty)
{
MessageBoxResult result = MessageBox.Show("Current database has unsaved changes which will be lost. Proceed?",
"Confirmation", MessageBoxButton.YesNo, MessageBoxImage.Question);
if (result == MessageBoxResult.No)
{
return;
}
}
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.Filter = "Xml (*.xml)|*.xml";
openFileDialog.RestoreDirectory = true;
if (openFileDialog.ShowDialog() == true)
{
CurrentFilePath = openFileDialog.FileName;
MedcinData.Reset();
ImportXml(CurrentFilePath);
}
}
