/// <summary>
/// Reads page item from Xml element and adds it as a child to the parent.
/// </summary>
/// <param name="parent"></param>
/// <param name="categoryNode"></param>
private void _AddPageItem(CategoryItem parent, XmlElement categoryNode)
{
PageItem newPage = new PageItem();
string typeName = categoryNode.GetAttribute(XML_TYPE_ATTRIBUTE_NAME, "");
newPage.PageType = Type.GetType(typeName);
// page type should exist
Debug.Assert(newPage.PageType != null);
// add new page to the parent
newPage.Parent = parent;
parent.AddChild(newPage);
}
/// <summary>
/// Add custom page to category
/// </summary>
private void _AddCustomPage(Assembly pluginAssembly, Type pluginType, INavigationItem category)
{
try
{
PageItem newPage = new PageItem();
newPage.PageType = pluginAssembly.GetType(pluginType.ToString());
newPage.Page = (AppPages.Page)Activator.CreateInstance(newPage.PageType);
newPage.Page.Initialize(App.Current);
INavigationItem foundItem = null;
if (category.FindItem(newPage.Page.Name, out foundItem))
{ // not unique page - add warning
string messageFormat = (string)App.Current.FindResource("UnableLoadNotUniqueCustomPage");
string path = string.Format(FULL_PAGE_NAME_FORMAT, category.Name, newPage.Page.Name);
string message = string.Format(messageFormat, path, Path.GetFileName(pluginAssembly.Location));
App.Current.Messenger.AddWarning(message);
}
else
{ // add new page to the parent
newPage.Parent = category;
category.AddChild(newPage);
}
}
catch (Exception e)
{
Logger.Error(e);
}
}
/// <summary>
/// Sets binding to all necessary properties.
/// </summary>
/// <param name="navPage"></param>
/// <param name="item"></param>
private void _SetPropertiesBinding(NavigationPanePage navPage, PageItem item)
{
Binding enablingBinding = new Binding("IsAllowed");
enablingBinding.Mode = BindingMode.OneWay;
enablingBinding.Source = item.Page;
enablingBinding.NotifyOnSourceUpdated = true;
BindingOperations.SetBinding(navPage, NavigationPanePage.IsEnabledProperty, enablingBinding);
Binding reuquiredBinding = new Binding("IsRequired");
reuquiredBinding.Mode = BindingMode.OneWay;
reuquiredBinding.Source = item.Page;
reuquiredBinding.NotifyOnSourceUpdated = true;
BindingOperations.SetBinding(navPage, NavigationPanePage.IsPageRequiredProperty, reuquiredBinding);
Binding canCompleteBinding = new Binding("DoesSupportCompleteStatus");
canCompleteBinding.Mode = BindingMode.OneWay;
canCompleteBinding.Source = item.Page;
canCompleteBinding.NotifyOnSourceUpdated = true;
BindingOperations.SetBinding(navPage, NavigationPanePage.DoesSupportCompleteStatusProperty, canCompleteBinding);
Binding completeBinding = new Binding("IsComplete");
completeBinding.Mode = BindingMode.OneWay;
completeBinding.Source = item.Page;
completeBinding.NotifyOnSourceUpdated = true;
BindingOperations.SetBinding(navPage, NavigationPanePage.IsPageCompleteProperty, completeBinding);
}
/// <summary>
/// Navigates to the specified page.
/// </summary>
/// <param name="item"></param>
private void _Navigate(PageItem item)
{
// If this page cannot be left - do not navigate from current page.
if ((_currentPage != item.Page) && !_currentPage.CanBeLeft)
item = _currentPageItem;
_NotifyNavigationCalled();
this.RemoveHandler(NavigationPane.ChangeSelectionEvent, (RoutedEventHandler)OnCurrentPageChanged);
CategoryItem currentCategory = (CategoryItem)item.Parent;
if (item.Page.IsAllowed &&
((null == currentCategory.PageCategory) || // NOTE: category can be not belong to categories ("Preferences")
((null != currentCategory.PageCategory) && currentCategory.PageCategory.IsEnabled)))
{
PageFrame.Navigate(item.Page);
_ChangeCurrentCategory(item.Parent as INavigationItem);
_UpdateCurrentCategoryButton();
// Add widgets panel to hash table
if (!_widgetsHash.Contains(item.PageType.FullName))
{
StackPanel widgetsStack = _CreateWidgetsPanel(item.Page);
_widgetsHash.Add(item.PageType.FullName, widgetsStack);
}
foreach (NavigationPanePage panePage in navigationPane.Pages)
{
if (panePage.Tag == item)
{ // set navigation pane content
panePage.PageContent = (StackPanel)_widgetsHash[item.PageType.FullName];
navigationPane.SelectPage(panePage);
break;
}
}
_taskPanelContentBuilder.UpdateTaskPanelWidgetsState((StackPanel)_widgetsHash[item.PageType.FullName]);
_currentPageItem = item;
_currentPage = item.Page;
}
this.AddHandler(NavigationPane.ChangeSelectionEvent, new RoutedEventHandler(OnCurrentPageChanged));
}
/// <summary>
/// Reads page item from Xml element and adds it as a child to the parent.
/// </summary>
/// <param name="parent"></param>
/// <param name="categoryNode"></param>
private void _AddPageItem(CategoryItem parent, XmlElement categoryNode)
{
PageItem newPage = new PageItem();
string typeName = categoryNode.GetAttribute(XML_TYPE_ATTRIBUTE_NAME, "");
newPage.PageType = Type.GetType(typeName);
// page type should exist
Debug.Assert(newPage.PageType != null);
// add new page to the parent
newPage.Parent = parent;
parent.AddChild(newPage);
}