/// <summary>
/// Handles the <see cref="ButtonBase.Click"/> event for the "Browse…" <see cref="Button"/>.
/// </summary>
/// <param name="sender">
/// The <see cref="Object"/> where the event handler is attached.</param>
/// <param name="args">
/// An <see cref="EventArgs"/> or <see cref="RoutedEventArgs"/> object containing event
/// data.</param>
/// <remarks><para>
/// <b>OnPathBrowse</b> automatically calls <see cref="Load"/> if the user specifies an
/// existing file, and <see cref="Save"/> if the user specifies a non-existent file.
/// </para><para>
/// <b>OnPathBrowse</b> does nothing if the user cancels the dialog, or enters an empty path
/// or the current <see cref="Path"/>.</para></remarks>
private void OnPathBrowse(object sender, EventArgs args)
{
RoutedEventArgs routedArgs = args as RoutedEventArgs;
if (routedArgs != null)
{
routedArgs.Handled = true;
}
// ask user to enter an existing or new file
RootedPath path = FileDialogs.OpenSectionDialog(Section, Path, true);
// quit if user cancelled or entered old path
if (path == null || path.IsEmpty || path.Equals(this._path))
{
return;
}
// save to or load from new path
if (!File.Exists(path.AbsolutePath))
{
Save(path.AbsolutePath);
}
else
{
// ask for confirmation to load file
if (MainWindow.Instance.ClearData(Section))
{
Load(path.AbsolutePath);
}
}
}
/// <summary>
/// Handles the <see cref="ButtonBase.Click"/> event for the "Browse…" <see cref="Button"/>.
/// </summary>
/// <param name="sender">
/// The <see cref="Object"/> where the event handler is attached.</param>
/// <param name="args">
/// A <see cref="RoutedEventArgs"/> object containing event data.</param>
/// <remarks>
/// <b>OnPathBrowse</b> shows an <see cref="FileDialogs.OpenImageDialog"/> allowing the user
/// to select a new <see cref="OverlayImage.Path"/>, and sets the <see cref="DataChanged"/>
/// flag if the user selects a valid new file path.</remarks>
private void OnPathBrowse(object sender, RoutedEventArgs args)
{
args.Handled = true;
// ask user to enter an existing image
RootedPath path = FileDialogs.OpenImageDialog(this._overlay.Path);
// quit if user cancelled, or entered old or invalid path
if (path == null || path.IsEmpty || path.Equals(this._overlay.Path) ||
!File.Exists(path.AbsolutePath))
{
return;
}
// disable dialog while image loads
IsEnabled = false;
Dispatcher.DoEvents();
// try loading overlay image
this._overlay.Path = path.AbsolutePath;
if (!AreasTabContent.MapView.ShowOverlay(this, this._editing))
{
path.Clear();
}
// broadcast data changes
ShowImagePath();
ShowImageSize();
DataChanged = true;
IsEnabled = true; // reenable dialog
}
public void Equals()
{
Assert.IsTrue(RootedPath.Equals(null, null));
RootedPath path = new RootedPath(@"C:\Windows", "win.ini");
Assert.AreEqual(new RootedPath(@"C:\Windows"), new RootedPath(@"C:\Windows"));
Assert.AreEqual(path, new RootedPath(@"C:\Windows", "win.ini"));
Assert.AreNotEqual(path, null);
Assert.AreNotEqual(path, new RootedPath(@"C:\Temp", "win.ini"));
Assert.AreNotEqual(path, new RootedPath(@"C:\Windows", "system.ini"));
Assert.AreNotEqual(path, new RootedPath(@"C:\", @"Windows\win.ini"));
}