/// <summary>
/// Converts a value.
/// </summary>
/// <returns>
/// A converted value. If the method returns null, the valid null value is used.
/// </returns>
/// <param name="value">The value produced by the binding source.</param><param name="targetType">The type of the binding target property.</param><param name="parameter">The converter parameter to use.</param><param name="culture">The culture to use in the converter.</param>
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
string styleName = value as string;
if (styleName != null && cache.ContainsKey(styleName)) return cache[styleName];
RenderTargetBitmap renderTargetBitmap = new RenderTargetBitmap(70, 50, 96, 96, PixelFormats.Pbgra32);
if (styleName == null) return renderTargetBitmap;
Style style = new Style(styleName);
if (mol.Molecules.Count == 0)
{
// Load mol
string data = (new StreamReader(Application.GetResourceStream(new Uri("pack://application:,,,/NuGenBioChem;component/Resources/Molecules/Preview.mol")).Stream)).ReadToEnd();
mol.Molecules.Add(Molefile.Parse(data));
// Load pdb
data = (new StreamReader(Application.GetResourceStream(new Uri("pack://application:,,,/NuGenBioChem;component/Resources/Molecules/Preview.pdb")).Stream)).ReadToEnd();
ProteinDataBankFile pdbImporter = new ProteinDataBankFile(data.Split(new string[]{"\r\n"}, StringSplitOptions.None));
pdb.Molecules.Add(pdbImporter.Molecules[0]);
}
visualizer.Substance = IsProteinVisible(style) ? pdb : mol;
visualizer.SubstanceStyle = style;
visualizer.CreatePreview(renderTargetBitmap);
cache.Add(styleName, renderTargetBitmap);
return renderTargetBitmap;
}
// Opens file with the given path
void Open(string path)
{
IFileImporter importer;
string extension = Path.GetExtension(path).ToLowerInvariant();
if (extension == ".pdb" || extension == ".ent" || extension == ".brk")
importer = new ProteinDataBankFile(path);
else if (extension == ".mol" || extension == ".mdl" || extension == ".sd" || extension == ".sdf")
importer = new Molefile(path);
else throw new NotSupportedException();
// Apply appropriate style
if (importer.Molecules.Count > 0 && importer.Molecules[0].Chains.Count > 0)
style.LoadCartoonDeafult();
else style.LoadBallAndStickDeafult();
substance.Molecules.Clear();
substance.Molecules.AddRange(importer.Molecules);
visualizer.ShowAll();
printTab.Visualizer.ShowAll();
publishTab.Visualizer.ShowAll();
// Change application title
string[] splitted = Title.Split(new string[] { " - " }, StringSplitOptions.None);
string applicationTitle = splitted[splitted.Length - 1];
Title = Path.GetFileNameWithoutExtension(path) + " - " + applicationTitle;
// Add opened file to recent files
Settings.AddRecentFile(path);
// Reset transaction context to clear all undo/redo
transactionContext.Reset();
fileName = Path.GetFullPath(path);
}
