public void Save(FractalDocument document)
{
if (document == null)
{
return;
}
using (XmlTextWriter tw = new XmlTextWriter(_filePath, Encoding.ASCII))
{
FractalTransformationPersister ftp = new FractalTransformationPersister(tw);
tw.WriteStartDocument();
tw.WriteStartElement("fractals");
foreach (var fractal in document.Fractals)
{
tw.WriteStartElement("fractal");
tw.WriteAttributeString("name", fractal.Name);
foreach (var t in fractal.Tansformations)
{
t.Accept(ftp);
}
tw.WriteEndElement();
}
tw.WriteEndElement();
tw.WriteEndDocument();
}
}
private FractalDocument _document;//Model of the application
public MainViewPresenter(
IMainView mainView,
TrackBarControlPanelView trackBarControlPanelView,
NumbersControlPanelView numbersControlPanelView,
FractalDataGridView fractalDataGridView,
FractalEditorView fractalEditorView,
IDimensionCalculatorFactory dimensionCalculatorFactory)
{
if (mainView == null)
{
throw new ArgumentNullException("mainView");
}
if (trackBarControlPanelView == null)
{
throw new ArgumentNullException("trackBarControlPanelView");
}
if (numbersControlPanelView == null)
{
throw new ArgumentNullException("numbersControlPanelView");
}
if (fractalDataGridView == null)
{
throw new ArgumentNullException("fractalDataGridView");
}
if (fractalEditorView == null)
{
throw new ArgumentNullException("fractalEditorView");
}
if (dimensionCalculatorFactory == null)
{
throw new ArgumentNullException("dimensionCalculatorFactory");
}
_mainView = mainView;
_trackBarControlPanelView = trackBarControlPanelView;
_numbersControlPanelView = numbersControlPanelView;
_fractalDataGridView = fractalDataGridView;
_fractalEditorView = fractalEditorView;
_numberViewPresenter = new ControlPanelViewPresenter(_numbersControlPanelView);
_trackBarsViewPresenter = new ControlPanelViewPresenter(_trackBarControlPanelView);
_dataGridPresenter = new FractalDataGridViewPresenter(_fractalDataGridView);
_editorViewPresenter = new FractalEditorViewPresenter(_fractalEditorView);
_dimensionCalculatorFactory = dimensionCalculatorFactory;
_mainView.SelectedChanged += new SelectedFractalEventHandler(SelectedFractalChanged);
_document = FractalDocument.GetInstance();
_mainView.Load += new EventHandler(_mainView_Load);
_document.Changed += new EventHandler(_document_Changed);
}
//Save logic goes here
public void NewDocument()
{
if (_document.IsDirty)
{
DialogResult result = _mainView.AskSaving();
if (result == DialogResult.Yes)
{
SaveDocument();
}
else if (result == DialogResult.Cancel)
{
return;
}
}
FractalDocument.GetInstance().New();
}
public bool AddFractalToDocument(out string whyNot)
{
whyNot = "";
string xmlFractal = _view.XmlFractal;
try
{
FractalDocument.GetInstance().LoadFractalFromXml(xmlFractal);
return(true);
}
catch (FractalCompilerException e)
{
whyNot = e.Message;
}
catch (Exception e)
{
whyNot = e.Message;
}
return(false);
}
