private void DoFileNewCommand(object parameter)
{
// Create a new shader view model.
ShaderViewModel shaderViewModel = new ShaderViewModel()
{
Name = "New Shader"
};
// Add it to the shaders.
shaders.Add(shaderViewModel);
// Set it as the active shader.
CurrentShader = shaderViewModel;
}
private void DoFileOpenCommand(object parameter)
{
// The parameter must be a string.
if (parameter is string == false)
throw new ArgumentException("The parameter to the command must be a valid file path.");
// Read the file.
string source;
try
{
// Open the file stream.
using (FileStream stream = new FileStream(parameter as string, FileMode.Open))
{
// Create a streamreader and read the source.
TextReader reader = new StreamReader(stream);
source = reader.ReadToEnd();
}
}
catch (Exception e)
{
// Re-throw the exception.
throw new ApplicationException("Failed to load the shader source.", e);
}
// Create a new shader view model.
ShaderViewModel shaderViewModel = new ShaderViewModel()
{
Name = Path.GetFileNameWithoutExtension(parameter as string),
Source = source
};
// Add it to the shaders.
shaders.Add(shaderViewModel);
// Set it as the active shader.
CurrentShader = shaderViewModel;
}