void SortChildren(AppSettingsPageVM page)
{
page.Children.Sort(AppSettingsPageVMSorter.Instance);
foreach (var child in page.Children)
{
SortChildren(child);
}
}
void SortChildren(AppSettingsPageVM vm)
{
vm.Children.Sort(AppSettingsPageVMSorter.Instance);
foreach (var child in vm.Children)
{
SortChildren(child);
}
}
void RemoveEmptyNodes(AppSettingsPageVM page)
{
for (int i = page.Children.Count - 1; i >= 0; i--)
{
var child = page.Children[i];
RemoveEmptyNodes(child);
if (child.Children.Count == 0 && child.Page is AppSettingsPageContainer)
{
page.Children.RemoveAt(i);
}
}
}
void FilterChildren(AppSettingsPageVM page, SearchMatcher matcher)
{
bool atLeastOneChildVisible = false;
foreach (var child in page.Children)
{
FilterChildren(child, matcher);
atLeastOneChildVisible |= !child.TreeNode.IsHidden;
}
bool isVisible = atLeastOneChildVisible || IsVisible(page, matcher);
page.TreeNode.IsHidden = !isVisible;
if (isVisible)
{
page.TreeNode.IsExpanded = true;
}
}
ITreeView CreateTreeView(AppSettingsPageVM rootVM)
{
var options = new TreeViewOptions {
CanDragAndDrop = false,
SelectionMode = SelectionMode.Single,
ForegroundBrushResourceKey = "AppSettingsTreeViewForeground",
RootNode = rootVM,
};
var treeView = treeViewService.Create(new Guid("99334011-E467-456F-A0DF-BD4DBD0F0519"), options);
treeView.UIObject.Padding = new Thickness(0, 2, 0, 2);
treeView.UIObject.BorderThickness = new Thickness(1);
treeView.UIObject.SetResourceReference(Control.BorderBrushProperty, "AppSettingsTreeViewBorder");
treeView.UIObject.SetResourceReference(Control.ForegroundProperty, "AppSettingsTreeViewForeground");
treeView.UIObject.SetResourceReference(Control.BackgroundProperty, "AppSettingsTreeViewBackground");
return(treeView);
}
bool IsVisible(AppSettingsPageVM page, SearchMatcher matcher)
{
matchList.Clear();
var p = page;
// Don't include the root
while (p.Parent != null)
{
matchList.Add(p.Page.Title);
p = p.Parent;
}
foreach (var s in page.GetSearchableStrings(appSettingsDlg))
{
matchList.Add(s);
}
bool res = matcher.IsMatchAll(matchList);
matchList.Clear();
return(res);
}
AppSettingsPageVM[] CreateSettingsPages()
{
var dict = new Dictionary <Guid, AppSettingsPageVM>();
dict.Add(rootGuid, new AppSettingsPageVM(new AppSettingsPageContainer(string.Empty, 0, rootGuid, rootGuid, ImageReference.None), pageContext));
foreach (var lz in appSettingsPageContainers)
{
var page = TryCreate(lz.Value, lz.Metadata, pageContext);
if (page == null)
{
continue;
}
Debug.Assert(!dict.ContainsKey(page.Page.Guid));
if (!dict.ContainsKey(page.Page.Guid))
{
dict.Add(page.Page.Guid, page);
}
}
foreach (var lz in appSettingsPageProviders)
{
foreach (var page in lz.Value.Create())
{
Debug.Assert(page != null);
if (page == null)
{
continue;
}
var vm = new AppSettingsPageVM(page, pageContext);
Debug.Assert(!dict.ContainsKey(vm.Page.Guid));
if (!dict.ContainsKey(vm.Page.Guid))
{
dict.Add(vm.Page.Guid, vm);
}
}
}
return(dict.Values.ToArray());
}
public PageAndUIObject(AppSettingsPageVM page, object uiObject)
{
Page = page;
UIObject = uiObject;
}
public void Show(Guid?guid, Window ownerWindow)
{
LastSelectedGuid = guid;
allPages = CreateSettingsPages();
Debug.Assert(allPages.Any(a => a.Page.Guid == rootGuid));
rootVM = CreateRootVM(allPages);
if (rootVM.Children.Count == 0)
{
return;
}
pageContext.TreeView = CreateTreeView(rootVM);
appSettingsDlg = new AppSettingsDlg();
appSettingsDlg.DataContext = this;
InitializeKeyboardBindings();
ContentConverterProperties.SetContentConverter(appSettingsDlg, this);
ContentConverterProperties.SetContentConverterVersion(appSettingsDlg, converterVersion);
appSettingsDlg.Owner = ownerWindow ?? throw new ArgumentNullException(nameof(ownerWindow));
AppSettingsPageVM selectedItem = null;
if (guid != null)
{
selectedItem = allPages.FirstOrDefault(a => a.Page.Guid == guid.Value);
}
if (selectedItem == null)
{
selectedItem = rootVM.Children.FirstOrDefault();
}
if (guid == null && selectedItem != null)
{
selectedItem = selectedItem.VisiblePage;
}
if (selectedItem != null)
{
pageContext.TreeView.SelectItems(new[] { selectedItem });
}
bool saveSettings = appSettingsDlg.ShowDialog() == true;
LastSelectedGuid = (pageContext.TreeView.SelectedItem as AppSettingsPageVM)?.VisiblePage.Page.Guid;
var appRefreshSettings = new AppRefreshSettings();
if (saveSettings)
{
foreach (var page in allPages)
{
if (page.Page is IAppSettingsPage2 page2)
{
page2.OnApply(appRefreshSettings);
}
else
{
page.Page.OnApply();
}
}
}
foreach (var page in allPages)
{
page.Page.OnClosed();
}
if (saveSettings)
{
foreach (var listener in appSettingsModifiedListeners)
{
listener.Value.OnSettingsModified(appRefreshSettings);
}
}
// Prevent a memory leak in SharpTreeNodeProxy. This will remove all bindings and
// remove the ValueChanged handlers from the instance stored in a static field.
pageContext.TreeView.Root.Children.Clear();
}
public void Show(Guid?guid, Window ownerWindow)
{
if (ownerWindow == null)
{
throw new ArgumentNullException(nameof(ownerWindow));
}
LastSelectedGuid = guid;
allPages = CreateSettingsPages();
Debug.Assert(allPages.Any(a => a.Page.Guid == rootGuid));
rootVM = CreateRootVM(allPages);
if (rootVM.Children.Count == 0)
{
return;
}
currentContextVM.TreeView = CreateTreeView(rootVM);
var selectedItem = (guid != null ? allPages.FirstOrDefault(a => a.Page.Guid == guid.Value) : null) ?? rootVM.Children.FirstOrDefault();
if (selectedItem != null)
{
currentContextVM.TreeView.SelectItems(new[] { selectedItem });
}
appSettingsDlg = new AppSettingsDlg();
appSettingsDlg.DataContext = this;
InitializeKeyboardBindings();
ContentConverterProperties.SetContentConverter(appSettingsDlg, this);
ContentConverterProperties.SetContentConverterVersion(appSettingsDlg, converterVersion);
appSettingsDlg.Owner = ownerWindow;
bool saveSettings = appSettingsDlg.ShowDialog() == true;
LastSelectedGuid = (currentContextVM.TreeView.SelectedItem as AppSettingsPageVM)?.Page.Guid;
var appRefreshSettings = new AppRefreshSettings();
if (saveSettings)
{
foreach (var page in allPages)
{
var page2 = page.Page as IAppSettingsPage2;
if (page2 != null)
{
page2.OnApply(appRefreshSettings);
}
else
{
page.Page.OnApply();
}
}
}
foreach (var page in allPages)
{
page.Page.OnClosed();
}
if (saveSettings)
{
foreach (var listener in appSettingsModifiedListeners)
{
listener.Value.OnSettingsModified(appRefreshSettings);
}
}
}