public NavigationViewModel(SynchronizationContext synchronizationContext, IScarletCommandBuilder commandBuilder, LocalizationsViewModel localizationsViewModel)
: base(commandBuilder, localizationsViewModel)
{
var dataGridViewModel = new DataGridViewModel(commandBuilder, synchronizationContext);
Add("Lazy Loading / Data-Virtualization", new DataEntriesViewModel(CommandBuilder));
Add("Image Loading + Drag and Drop", new ProcessingImagesViewModel(commandBuilder, new ImageFactory(CommandBuilder)));
Add("ConcurrentCommands and state changes", new AsyncStateListViewModel(commandBuilder));
Add("MVVM Live Sorting and Grouping in bound collections", dataGridViewModel);
Add("Progress, -notification and dispatcher throtteling", new ProgressViewModel(commandBuilder));
Add("FileSystemBrowser", new FileSystemViewModel(commandBuilder, new FileSystemViewModelFactory(commandBuilder), FileSystemOptionsViewModel.Default));
Add("State changes in a tree structure", new BusyViewModel(commandBuilder));
Add("Geometry rendering", new GeometryRenderViewModel(commandBuilder));
Add("Binding Passwordbox", new PasswordViewModel());
Add("MVVM Grouping", GroupingViewModel.Create(commandBuilder, dataGridViewModel.Items));
Add("Dialog-ViewModel", new DialogViewModel(commandBuilder));
Add("MVVM Terminal/Console", new ProcessViewModel(commandBuilder));
var contextMenu = new ContextMenuViewModels();
var menuitem = new ContextMenuViewModel();
menuitem.Items.Add(new ContextMenuViewModel());
menuitem.Items.Add(new ContextMenuViewModel());
contextMenu.Items[0].Items.Add(menuitem);
Add("MVVM ContextMenus", contextMenu);
Add("Binding Enum values", new EnumViewModel());
Add("MVVM Toast-Notification", new ToastsViewModel(commandBuilder));
}
public GroupingJournalViewModel(Factories factories, BackgroundWorkerFactory workerFactory,
SugarEditingViewModel sugarEditing)
: base(factories, workerFactory, sugarEditing)
{
Grouping = new GroupingViewModel<JournalItemViewModel, DateViewModel>(this, () => Items,
keySelector: item => item.Date,
predicate: item => item.FilterIn(search),
choose: Choose);
}
public static GroupingViewComponent ToViewModel(GroupingViewModel model)
{
return(new GroupingViewComponent()
{
Name = model.Name,
Title = model.Title,
Grid = model.Grid
});
}
public DataGridViewModel(IScarletCommandBuilder commandBuilder, SynchronizationContext synchronizationContext)
: base(commandBuilder, synchronizationContext, vm => vm.Name, new DataGridDataProvider(commandBuilder, 2000, 50))
{
Groups = GroupingViewModel.Create(Items);
Filter = IsMatch;
PageSize = 50;
TotalPageCount = 2000;
CurrentPage = 1;
}
public async Task <IHtmlContent> Card(IDisplayHelper displayAsync, GroupingViewModel shape)
{
var tagBuilder = shape.GetTagBuilder("div");
tagBuilder.AddCssClass("card-body");
shape.Metadata.Alternates.Clear();
shape.Metadata.Type = "ColumnGrouping";
tagBuilder.InnerHtml.AppendHtml(await displayAsync.ShapeExecuteAsync(shape));
var cardIdPrefix = $"card-{shape.Identifier}-{shape.Grouping.Key}".HtmlClassify();
var cardTag = new TagBuilder("div");
cardTag.AddCssClass("card mb-2");
var headerArrowTag = new TagBuilder("div");
headerArrowTag.AddCssClass("card-header");
headerArrowTag.Attributes["id"] = $"heading-{cardIdPrefix}";
var headerTitleTag = new TagBuilder("h5");
headerTitleTag.AddCssClass("float-start mb-0 mt-1");
headerTitleTag.InnerHtml.Append(shape.Grouping.Key);
var buttonTag = new TagBuilder("button");
buttonTag.AddCssClass("btn btn-link btn-block text-start float-end");
buttonTag.Attributes["type"] = "button";
buttonTag.Attributes["data-bs-toggle"] = "collapse";
buttonTag.Attributes["data-bs-target"] = $"#collapse-{cardIdPrefix}";
buttonTag.Attributes["aria-expanded"] = "true";
buttonTag.Attributes["aria-controls"] = $"collapse-{cardIdPrefix}";
var buttonIconTag = new TagBuilder("i");
buttonIconTag.AddCssClass("fa-solid fa-angle-down");
buttonTag.InnerHtml.AppendHtml(buttonIconTag);
headerArrowTag.InnerHtml.AppendHtml(headerTitleTag);
headerArrowTag.InnerHtml.AppendHtml(buttonTag);
var bodyTag = new TagBuilder("div");
bodyTag.AddCssClass("collapse show");
bodyTag.Attributes["id"] = $"collapse-{cardIdPrefix}";
bodyTag.InnerHtml.AppendHtml(tagBuilder);
cardTag.InnerHtml.AppendHtml(headerArrowTag);
cardTag.InnerHtml.AppendHtml(bodyTag);
return(cardTag);
}
public void CanSort()
{
var unsorted = new GroupingViewModel<string, int>(viewModel, () => viewModel.Items,
item => item.Length, item => filterResult, choose);
viewModel.Load();
Assert.AreEqual(4, unsorted.Groups[0].Key);
Assert.AreEqual("foo", unsorted.Groups[1].First());
var sorted = new SortedGroupingViewModel<string, int, string, int>(viewModel, () => viewModel.Items,
item => item.Length, item => filterResult, choose, itemSort: item => item,
groupSort: group => -group.Key);
viewModel.Refresh();
Assert.AreEqual(4, sorted.Groups[0].Key);
Assert.AreEqual("bar", sorted.Groups[1].First());
}
public async Task <IHtmlContent> Tab(IDisplayHelper displayAsync, GroupingViewModel shape)
{
var tagBuilder = shape.GetTagBuilder("div");
tagBuilder.Attributes["id"] = $"tab-{shape.Grouping.Key}-{shape.Identifier}".HtmlClassify();
tagBuilder.AddCssClass("tab-pane fade");
// Morphing this shape to a grouping shape to keep Model untouched.
shape.Metadata.Alternates.Clear();
shape.Metadata.Type = "CardGrouping";
tagBuilder.InnerHtml.AppendHtml(await displayAsync.ShapeExecuteAsync(shape));
return(tagBuilder);
}
protected override void OnNavigatedTo(NavigationEventArgs e)
{
base.OnNavigatedTo(e);
diaries = SqliteDatabase.LoadFromDatabase(DBName, DiaryTableName);
reminds = SqliteDatabase.LoadFromDatabase2(DBName, RemindTableName);
//Canvas.SetZIndex(FlyoutFrame, -1);
groupingViewModel = new GroupingViewModel(diaries);
CSV.Source = groupingViewModel.Groups;
string AppClientID = "cb8d4295-9fd0-4604-b220-ccfbc7aad516";
string[] scopes = { MicrosoftGraphScope.FilesReadWriteAppFolder };
OneDriveService.Instance
.Initialize(
AppClientID,
scopes, null, null
);
}
public async Task <IHtmlContent> ColumnGrouping(IDisplayHelper DisplayAsync, GroupingViewModel Shape, IShapeFactory ShapeFactory)
{
var htmlContentBuilder = new HtmlContentBuilder();
var groupings = Shape.Grouping.ToLookup(x =>
{
if (x is IShape s)
{
var key = s.Metadata.Column;
if (String.IsNullOrEmpty(key))
{
return(ContentKey);
}
// Remove column modifier.
var modifierIndex = key.IndexOf('_');
if (modifierIndex != -1)
{
key = key.Substring(0, modifierIndex);
}
// Remove positional modifier.
modifierIndex = key.IndexOf(';');
if (modifierIndex != -1)
{
key = key.Substring(0, modifierIndex);
}
return(key);
}
return(ContentKey);
});
if (groupings.Count > 1)
{
var positionModifiers = GetColumnPositions(groupings);
var orderedGroupings = groupings.OrderBy(grouping =>
{
if (positionModifiers.TryGetValue(grouping.Key, out var position))
{
return(new PositionalGrouping {
Position = position
});
}
else
{
return(new PositionalGrouping());
}
}, FlatPositionComparer.Instance);
var columnModifiers = GetColumnModifiers(orderedGroupings);
var container = (GroupViewModel)await ShapeFactory.CreateAsync <GroupViewModel>("ColumnContainer", m =>
{
m.Identifier = Shape.Identifier;
});
foreach (var orderedGrouping in orderedGroupings)
{
var groupingShape = (GroupingViewModel)await ShapeFactory.CreateAsync <GroupingViewModel>("Column", m =>
{
m.Identifier = Shape.Identifier;
m.Grouping = orderedGrouping;
});
groupingShape.Classes.Add("ta-col-grouping");
groupingShape.Classes.Add("column-" + orderedGrouping.Key.HtmlClassify());
// To adjust this breakpoint apply a modifier of lg-3 to every column.
var columnClasses = "col-12 col-md";
if (columnModifiers.TryGetValue(orderedGrouping.Key, out var columnModifier))
{
// When the modifier also has a - assume it is providing a breakpointed class.
if (columnModifier.IndexOf('-') != -1)
{
columnClasses = "col-12 col-" + columnModifier;
}
else // Otherwise assume a default md breakpoint.
{
columnClasses = "col-12 col-md-" + columnModifier;
}
}
groupingShape.Classes.Add(columnClasses);
foreach (var item in orderedGrouping)
{
await groupingShape.AddAsync(item);
}
await container.AddAsync(groupingShape);
}
htmlContentBuilder.AppendHtml(await DisplayAsync.ShapeExecuteAsync(container));
}
else
{
// When nothing is grouped in a column, the grouping is rendered directly.
foreach (var item in Shape.Grouping)
{
htmlContentBuilder.AppendHtml(await DisplayAsync.ShapeExecuteAsync((IShape)item));
}
}
return(htmlContentBuilder);
}
public async Task <IHtmlContent> CardGrouping(IDisplayHelper DisplayAsync, GroupingViewModel Shape, IShapeFactory ShapeFactory)
{
var htmlContentBuilder = new HtmlContentBuilder();
var groupings = Shape.Grouping.ToLookup(x =>
{
if (x is IShape s)
{
var key = s.Metadata.Card;
if (String.IsNullOrEmpty(key))
{
return(ContentKey);
}
// Remove positional modifier.
var modifierIndex = key.IndexOf(';');
if (modifierIndex != -1)
{
key = key.Substring(0, modifierIndex);
}
return(key);
}
return(ContentKey);
});
if (groupings.Count > 1)
{
var orderedGroupings = groupings.OrderBy(grouping =>
{
var firstGroupWithModifier = grouping.FirstOrDefault(group =>
{
if (group is IShape s && !String.IsNullOrEmpty(s.Metadata.Card) && s.Metadata.Card.IndexOf(';') != -1)
{
return(true);
}
return(false);
});
if (firstGroupWithModifier is IShape shape)
{
var key = shape.Metadata.Card;
var modifierIndex = key.IndexOf(';');
return(new PositionalGrouping(key.Substring(modifierIndex)));
}
return(new PositionalGrouping());
}, FlatPositionComparer.Instance);
var container = (GroupViewModel)await ShapeFactory.CreateAsync <GroupViewModel>("CardContainer", m =>
{
m.Identifier = Shape.Identifier;
});
container.Classes.Add("accordion");
foreach (var orderedGrouping in orderedGroupings)
{
var groupingShape = (GroupingViewModel)await ShapeFactory.CreateAsync <GroupingViewModel>("Card", m =>
{
m.Identifier = Shape.Identifier;
m.Grouping = orderedGrouping;
});
foreach (var item in orderedGrouping)
{
await groupingShape.AddAsync(item);
}
await container.AddAsync(groupingShape);
}
htmlContentBuilder.AppendHtml(await DisplayAsync.ShapeExecuteAsync(container));
}
else
{
// Evaluate for columns.
var groupingShape = (GroupingViewModel)await ShapeFactory.CreateAsync <GroupingViewModel>("ColumnGrouping", m =>
{
m.Identifier = Shape.Identifier;
m.Grouping = Shape.Grouping;
});
htmlContentBuilder.AppendHtml(await DisplayAsync.ShapeExecuteAsync(groupingShape));
}
return(htmlContentBuilder);
}
public RemoveGroupingFromShooterDialogMessage(int shooterId, GroupingViewModel grouping)
{
ShooterId = shooterId;
Grouping = grouping;
}
public RemoveGroupingFromShooterDialogMessage(int shooterId, GroupingViewModel grouping)
{
ShooterId = shooterId;
Grouping = grouping;
}
public void TestInitialize()
{
viewModel = new SearchSubViewModelStub();
choose = Substitute.For<Action<string>>();
sut = new GroupingViewModel<string, int>(viewModel, () => viewModel.Items, item => item.Length,
item => filterResult, choose);
}