/// <summary>
/// Handles the <see cref="ConfigWallpaperVM.UnhandledCommandException" /> event of a <see cref="ConfigWallpaperVM" />
/// instance and handles the thrown exception if possible.
/// </summary>
/// <commondoc select='All/Methods/EventHandlers[@Params="Object,+EventArgs"]/*' />
private void ConfigWallpaperVM_UnhandledCommandException(object sender, CommandExceptionEventArgs e)
{
if (e.IsHandled)
{
return;
}
ConfigWallpaperVM configWallpaperVM = (ConfigWallpaperVM)sender;
if (e.Command == configWallpaperVM.ApplySettingsCommand)
{
if (e.Exception is InvalidOperationException)
{
DialogManager.ShowWallpapers_MultiscreenWallpaperOnDisabledScreens(null);
}
e.IsHandled = true;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ConfigWallpaperWindow" /> class.
/// </summary>
/// <param name="configWallpaperVM">
/// The <see cref="WallpaperManager.ViewModels.ConfigWallpaperVM" /> instance used as interface to communicate
/// with the application.
/// </param>
/// <param name="screensSettings">
/// The collection of <see cref="ScreenSettings" /> objects defining configuration values related to single screens.
/// </param>
/// <seealso cref="WallpaperManager.ViewModels.ConfigWallpaperVM">ConfigWallpaperVM Class</seealso>
/// <seealso cref="ScreenSettingsCollection">ScreenSettingsCollection Class</seealso>
/// <seealso cref="ScreenSettings">ScreensSettings Class</seealso>
public ConfigWallpaperWindow(ConfigWallpaperVM configWallpaperVM, ScreenSettingsCollection screensSettings)
{
this.ConfigWallpaperVM = configWallpaperVM;
this.ConfigWallpaperVM.RequestClose += delegate(object sender, RequestCloseEventArgs e) {
this.DialogResult = e.Result;
this.Close();
};
this.ScreensSettings = screensSettings;
this.WallpaperPreview = null;
this.InitializeComponent();
switch (configWallpaperVM.ConfigurationMode)
{
case ConfigWallpaperMode.ConfigureDefaultSettings:
this.Title = LocalizationManager.GetLocalizedString("ConfigDefaultSettings.Title");
this.lblGeneral_ImagePath.Visibility = Visibility.Collapsed;
this.pnlGeneral_ImagePath.Visibility = Visibility.Collapsed;
this.rdbPlacement_AutoDetermine.Visibility = Visibility.Visible;
this.ctlMultiscreenSetting.Content = this.ctlMultiscreenSetting.Resources["ConfigureDefaultSettingsContent"];
break;
case ConfigWallpaperMode.ConfigureStaticWallpaper:
this.Title = LocalizationManager.GetLocalizedString("ConfigStaticWallpaper.Title");
this.slbPreview.Visibility = Visibility.Collapsed;
this.ctlMultiscreenSetting.Content = null;
this.ctlMultiscreenSetting.Visibility = Visibility.Collapsed;
break;
default:
this.Title = LocalizationManager.GetLocalizedString("ConfigWallpaper.Title");
this.ctlMultiscreenSetting.Content = this.ctlMultiscreenSetting.Resources["ConfigureWallpapersContent"];
break;
}
this.UpdatePreviewImage(null, null);
}
/// <summary>
/// Shows the <see cref="ConfigWallpaperWindow" /> to configure the <see cref="WallpaperDefaultSettings" /> of the
/// given <see cref="WallpaperCategoryVM" />.
/// </summary>
/// <param name="categoryVM">
/// The <see cref="WallpaperCategoryVM" /> to configure the <see cref="WallpaperDefaultSettings" /> for.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="categoryVM" /> is <c>null</c>.
/// </exception>
/// <seealso cref="WallpaperCategoryVM">WallpaperCategoryVM Class</seealso>
private void WallpaperCategoryVM_RequestConfigureDefaultSettings(WallpaperCategoryVM categoryVM)
{
if (categoryVM == null)
{
throw new ArgumentNullException();
}
ConfigWallpaperVM configWallpaperVM = new ConfigWallpaperVM(categoryVM.Category.WallpaperDefaultSettings);
configWallpaperVM.UnhandledCommandException += this.ConfigWallpaperVM_UnhandledCommandException;
ConfigWallpaperWindow configWallpaperWindow = new ConfigWallpaperWindow(configWallpaperVM, this.Configuration.General.ScreensSettings);
configWallpaperWindow.Owner = this.MainWindow;
bool?result = configWallpaperWindow.ShowDialog();
// If the settings have been confirmed by the user.
if ((result != null) && result.Value)
{
this.WriteConfigFile();
}
}
/// <summary>
/// Shows the <see cref="ConfigWallpaperWindow" /> to configure the selected <see cref="Wallpaper" /> instances of the
/// given <see cref="WallpaperCategoryVM" />.
/// </summary>
/// <param name="categoryVM">
/// The <see cref="WallpaperCategoryVM" /> to configure the selected <see cref="Wallpaper" /> instances for.
/// </param>
/// <exception cref="ArgumentNullException">
/// <paramref name="categoryVM" /> is <c>null</c>.
/// </exception>
/// <seealso cref="WallpaperCategoryVM">WallpaperCategoryVM Class</seealso>
private void WallpaperCategoryVM_RequestConfigureSelected(WallpaperCategoryVM categoryVM)
{
if (categoryVM == null)
{
throw new ArgumentNullException();
}
var wallpapersToConfigure = new Wallpaper[categoryVM.SelectedWallpaperVMs.Count];
for (int i = 0; i < categoryVM.SelectedWallpaperVMs.Count; i++)
{
wallpapersToConfigure[i] = categoryVM.SelectedWallpaperVMs[i].Wallpaper;
}
ConfigWallpaperVM configWallpaperVM = new ConfigWallpaperVM(this.Configuration.General, wallpapersToConfigure, categoryVM.IsSynchronizedCategory);
configWallpaperVM.UnhandledCommandException += this.ConfigWallpaperVM_UnhandledCommandException;
ConfigWallpaperWindow configWallpaperWindow = new ConfigWallpaperWindow(configWallpaperVM, this.Configuration.General.ScreensSettings);
configWallpaperWindow.Owner = this.MainWindow;
bool?result = configWallpaperWindow.ShowDialog();
// If the settings have been confirmed by the user.
if ((result != null) && result.Value)
{
this.WriteConfigFile();
}
// It could be possible that the ImagePath of a wallpaper has been changed, so we clear the thumbnails which will
// then be recreated when the GUI requests them.
for (int i = 0; i < categoryVM.SelectedWallpaperVMs.Count; i++)
{
categoryVM.SelectedWallpaperVMs[i].Thumbnail = null;
}
}
