/// <summary>
/// Gets the current View of the given module and sets its ViewModel as the data context of the ModuleProperties module
/// </summary>
/// <param name="loadInfo"></param>
public void SetModuleContext(ModuleLoadInfo loadInfo)
{
ModuleViewBase view = null;
if (loadInfo != null)
{
view = loadInfo.RenderedView;
if (view == null)
{
string moduleName = loadInfo.ModuleName;
string viewName = loadInfo.ViewName ?? moduleName;
IModulePresentation module = TryResolve <IModulePresentation>(moduleName);
if (module != null)
{
view = module.GetView(viewName) as ModuleViewBase;
}
}
}
ModuleViewModelBase viewModel = view == null ? null : view.DataContext as ModuleViewModelBase;
eventAggregator.GetEvent <ActivateModuleContextEvent>().Publish(viewModel);
}
/// <summary>
/// Display a module the specified region with the given view.
/// </summary>
/// <param name="loadInfo">module load descriptor</param>
/// <exception cref="ArgumentNullException">Empty module name.</exception>
public void DisplayModule(ModuleLoadInfo loadInfo)
{
string moduleName = loadInfo.ModuleName;
string regionName = loadInfo.RegionName;
string viewName = loadInfo.ViewName ?? loadInfo.ModuleName;
if (string.IsNullOrEmpty(moduleName))
{
throw new ArgumentNullException(moduleName, "Illegal module name to load.");
}
ModuleViewBase currentView;
try
{
moduleManager.LoadModule(moduleName);
IModulePresentation module = TryResolve <IModulePresentation>(moduleName);
if (module != null)
{
IRegion region = regionManager.Regions[regionName];
currentView = (ModuleViewBase)region.GetView(viewName);
if (currentView == null)
{
currentView = (ModuleViewBase)module.GetView(viewName);
if (currentView.ViewModel != null)
{
currentView.ViewModel.LoadInfo = loadInfo;
}
else
{
// TODO rerdelyi 100705: some action should be taken, e.g. throw exception
}
loadInfo.RenderedView = currentView;
region.Add(currentView, viewName);
region.Activate(currentView);
currentView.LoadData(loadInfo.LoadCommand, loadInfo.LoadParameter);
}
else
{
// TODO rerdelyi 100705: some action should be taken, e.g. throw exception
}
//string statusBarRegionName = regionName + STATUSBAR;
//string statusBarViewName = viewName + STATUSBAR;
//if (regionManager.Regions.ContainsRegionWithName(statusBarRegionName))
//{
// IRegion statusBarRegion = regionManager.Regions[statusBarRegionName];
// if (statusBarRegion != null && statusBarRegion.GetView(statusBarViewName) == null)
// {
// var statusBar = module.GetStatusBar(viewName);
// statusBar.DataContext = currentView.ViewModel;
// statusBarRegion.Add(statusBar, statusBarViewName);
// statusBarRegion.Activate(statusBar);
// }
//}
}
else
{
throw new MissingMemberException(string.Format("Unable to display \"{0}\" module.", moduleName));
}
}
catch (Exception ex)
{
throw new Exception(string.Format("Unable to display \"{0}\" module.", moduleName), ex);
}
}
