/// <summary>
/// Creates a new InMemoryViewModel by reading the persisted XML file from disk
/// </summary>
private void HydrateViewModelFromXml()
{
//Ask the user where they want to open the file from, and open it
try
{
openFileService.InitialDirectory = AppDomain.CurrentDomain.BaseDirectory;
openFileService.FileName = String.Empty;
openFileService.Filter = "Xml files (*.xml)|*.xml";
bool?result = openFileService.ShowDialog(null);
if (result.HasValue && result.Value)
{
//open to XML
PesistentVM pesistentVM =
ViewModelPersistence.HydratePersistedViewModel(openFileService.FileName);
//check we got something, and recreate the full weight InMemoryViewModel from
//the lighter weight XML read PesistentVM
if (pesistentVM != null)
{
CurrentVM = new InMemoryViewModel();
//Start out with PropertiesViewModel shown
PropertiesViewModel propertiesViewModel =
new PropertiesViewModel();
propertiesViewModel.IsCloseable = false;
CurrentVM.PropertiesVM = propertiesViewModel;
//and now read in other data
CurrentVM.ViewModelName = pesistentVM.VMName;
CurrentVM.CurrentViewModelType = pesistentVM.VMType;
CurrentVM.ViewModelNamespace = pesistentVM.VMNamespace;
//and add in the individual properties
foreach (var prop in pesistentVM.VMProperties)
{
CurrentVM.PropertiesVM.PropertyVMs.Add(new
SinglePropertyViewModel
{
PropertyType = prop.PropertyType,
PropName = prop.PropName,
UseDataWrapper = prop.UseDataWrapper
});
}
HasContent = true;
}
else
{
messageBoxService.ShowError(String.Format("Could not open the ViewModel {0}",
openFileService.FileName));
}
}
}
catch (Exception ex)
{
messageBoxService.ShowError("An error occurred trying to Opening the ViewModel\r\n" +
ex.Message);
}
}
/// <summary>
/// Executes the GenerateVMCommand
/// </summary>
private void ExecuteGenerateVMCommand()
{
ClearCodeWorkSpaces();
Tuple <Boolean, String> info = SaveOrGenerateOperation("C# files (*.cs)|*.cs",
SaveOrGenerate.Generate);
if (info != null && info.First)
{
Workspaces.Insert(1, new GeneratedCodeViewModel
{
IsCloseable = false,
DisplayName = ".cs",
FileName = ViewModelPersistence.StripFileName(info.Second) + ".cs"
});
Workspaces.Insert(2, new GeneratedCodeViewModel
{
IsCloseable = false,
DisplayName = ".g.cs",
FileName = ViewModelPersistence.StripFileName(info.Second) + ".g.cs"
});
}
}
/// <summary>
/// Saves the current ViewModel as an XML file or generates C# code for the
/// current ViewModel
/// </summary>
/// <param name="filter">The save file filter to use</param>
/// <param name="operation">The SaveOrGenerate operation to use</param>
private Tuple <Boolean, String> SaveOrGenerateOperation(String filter, SaveOrGenerate operation)
{
if (!IsValid)
{
messageBoxService.ShowError("The current ViewModel is InValid\r\nPlease fix it then retry");
return(null);
}
else
{
//Ask the user where they want to save the file, and save it
try
{
saveFileService.InitialDirectory = AppDomain.CurrentDomain.BaseDirectory;
saveFileService.FileName = String.Empty;
saveFileService.Filter = filter;
saveFileService.OverwritePrompt = true;
bool?result = saveFileService.ShowDialog(null);
if (result.HasValue && result.Value)
{
//Create a Persistence ViewModel based on the current In Memory ViewModel
PesistentVM pesistentVM = new PesistentVM();
pesistentVM.VMName = ViewModelName;
pesistentVM.VMType = CurrentViewModelType;
pesistentVM.VMNamespace = ViewModelNamespace;
foreach (SinglePropertyViewModel propVM in propertiesViewModel.PropertyVMs)
{
pesistentVM.VMProperties.Add(new
PesistentVMSingleProperty
{
PropertyType = propVM.PropertyType,
PropName = propVM.PropName,
UseDataWrapper = propVM.UseDataWrapper,
ParentViewModelName = ViewModelName
});
}
bool success = false;
FileInfo file = new FileInfo(saveFileService.FileName);
//decide what file needs saving/generating
switch (operation)
{
case SaveOrGenerate.Save:
//save to XML
success = ViewModelPersistence.PersistViewModel(
saveFileService.FileName, pesistentVM);
ShowSaveOrGenMessage(success, file.Name, SaveOrGenerate.Save);
return(TupleHelper.New(success, saveFileService.FileName));
case SaveOrGenerate.Generate:
//generate code
success = ViewModelPersistence.CreateViewModelCode(
saveFileService.FileName, pesistentVM);
ShowSaveOrGenMessage(success, file.Name, SaveOrGenerate.Generate);
return(TupleHelper.New(success, saveFileService.FileName));
}
}
}
catch (Exception ex)
{
messageBoxService.ShowError(
String.Format("An error occurred trying to {0} the ViewModel\r\n{1}",
operation.ToString(), ex.Message));
return(null);
}
return(null);
}
}
