private void OnSettingsChanged(Settings oldValue, Settings newValue)
{
if (oldValue != null)
{
oldValue.ParameterChanged -= this.OnSettingsParameterChanged;
}
if (newValue != null)
{
newValue.ParameterChanged += this.OnSettingsParameterChanged;
}
this.UpdateTransforms();
}
/// <summary>
/// Use the common dialog to save the settings to a file.
/// </summary>
/// <param name="fileName">settings file name to start with</param>
/// <param name="settings">the settings to save</param>
public static void SaveSettings(string fileName, Settings settings)
{
var saveFileDialog = new SaveFileDialog
{
FileName = Path.GetFileName(fileName),
InitialDirectory = Path.GetDirectoryName(fileName),
DefaultExt = DefaultFileExtension,
Filter = Properties.Resources.FileDialogFilter
};
if (saveFileDialog.ShowDialog() == false)
{
// User canceled the dialog. Quietly return.
return;
}
fileName = saveFileDialog.FileName;
var settingsXmlString = XamlServices.Save(settings);
try
{
using (var streamWriter = new StreamWriter(fileName))
{
streamWriter.Write(settingsXmlString);
}
}
catch (Exception e)
{
if (e is IOException || e is UnauthorizedAccessException)
{
// Couldn't save for a reason we expect. Show an error message.
var errorMessageText = string.Format(CultureInfo.CurrentCulture, Properties.Resources.SaveErrorMessage, fileName);
MessageBox.Show(
errorMessageText, Properties.Resources.ErrorMessageCaption, MessageBoxButton.OK, MessageBoxImage.Error);
}
else
{
throw;
}
}
}
/// <summary>
/// Load the settings from a file with no UI.
/// </summary>
/// <param name="fileName">filename to use</param>
/// <param name="loadedSettings">settings that were loaded</param>
/// <returns>true if settings were loaded, false otherwise</returns>
public static bool TryLoadSettingsNoUi(string fileName, out Settings loadedSettings)
{
loadedSettings = null;
if (!File.Exists(fileName))
{
return false;
}
using (var streamReader = new StreamReader(fileName))
{
try
{
var loadedObjects = XamlServices.Load(streamReader.BaseStream);
loadedSettings = loadedObjects as Settings;
if (loadedSettings == null)
{
return false;
}
}
catch (XmlException)
{
return false;
}
catch (XamlParseException)
{
return false;
}
catch (XamlObjectWriterException)
{
return false;
}
}
return true;
}
/// <summary>
/// Use the common dialog to load settings from a file.
/// </summary>
/// <param name="fileName">File to start with.</param>
/// <param name="loadedSettings">The settings that were loaded</param>
/// <returns>true if we were able to load the settings, false otherwise</returns>
public static bool TryLoadSettingsWithOpenFileDialog(string fileName, out Settings loadedSettings)
{
loadedSettings = null;
var openFileDialog = new OpenFileDialog
{
FileName = Path.GetFileName(fileName),
InitialDirectory = Path.GetDirectoryName(fileName),
DefaultExt = DefaultFileExtension,
Filter = Properties.Resources.FileDialogFilter
};
if (openFileDialog.ShowDialog() == false)
{
// User canceled the dialog. Quietly return.
return false;
}
fileName = openFileDialog.FileName;
if (!TryLoadSettingsNoUi(fileName, out loadedSettings))
{
// Couldn't load the file. Show an error message.
var errorMessageText = string.Format(CultureInfo.CurrentCulture, Properties.Resources.OpenErrorMessage, fileName);
MessageBox.Show(
errorMessageText, Properties.Resources.ErrorMessageCaption, MessageBoxButton.OK, MessageBoxImage.Error);
return false;
}
return true;
}
private void OnSettingsChanged(Settings newValue)
{
this.adaptiveUIPlacementHelper.Settings = newValue;
}
private void OnSettingsChanged(Settings oldValue, Settings newValue)
{
if (oldValue != null)
{
oldValue.ParameterChanged -= this.OnSettingsParameterChanged;
}
if (newValue != null)
{
newValue.ParameterChanged += this.OnSettingsParameterChanged;
this.OnSettingsParameterChanged(null, null);
}
this.trackingPolicy.Settings = newValue;
}