//=============================================================================
protected override void _Execute(object parameter)
{
MainWindow_ViewModel vm = parameter as MainWindow_ViewModel;
if (vm != null)
{
// Create OpenFileDialog
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
// Set filter for file extension and default file extension
dlg.DefaultExt = ".scad";
dlg.Filter = "SimpleCAD drawings (.scad)|*.scad";
// Display OpenFileDialog by calling ShowDialog method
Nullable <bool> result = dlg.ShowDialog();
// Get the selected file name and display in a TextBox
if (result == true)
{
// save or create
FileStream fs = new FileStream(dlg.FileName, FileMode.Open);
if (fs != null)
{
BinaryFormatter bf = new BinaryFormatter();
SimpleCAD_State state = (SimpleCAD_State)bf.Deserialize(fs);
Document newDoc = vm.DocManager.Add(dlg.FileName, state);
if (newDoc != null)
{
newDoc.IsSelected = true;
}
}
}
}
}
public Document(DocumentManager docManager, string strPath, SimpleCAD_State state)
{
m_DocManager = docManager;
Path = strPath;
if (state != null)
{
m_states.Add(state);
m_CurrentStateIndex = 0;
}
}
public bool Save(string strNewPath)
{
string strPath = strNewPath;
if (string.IsNullOrEmpty(strPath))
{
strPath = Path;
}
if (string.IsNullOrEmpty(strPath))
{
return(false);
}
if (m_states.Count == 0)
{
return(false);
}
//
if (strPath != Path)
{
Path = strPath;
}
FileStream fs = new FileStream(Path, FileMode.OpenOrCreate);
if (fs == null)
{
return(false);
}
SimpleCAD_State state = m_states[m_states.Count - 1];
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, state);
//
if (m_states.Count > 1)
{
m_states.RemoveRange(0, m_states.Count - 1);
m_CurrentStateIndex = 0;
}
NotifyPropertyChanged(() => DisplayName);
NotifyPropertyChanged(() => ChangesCount);
return(true);
}
//=============================================================================
public Document Add(string strPath, SimpleCAD_State state)
{
return(Add(new Document(this, strPath, state)));
}