private void OnItemsSourceChanged(DependencyObject sender, DependencyProperty dp)
{
groupCollection = null;
if (this.ItemsSource != null && ItemsSource is IGroupCollection)
{
groupCollection = (ItemsSource as IGroupCollection);
}
if (groupHeadersCanvas != null)
{
groupHeadersCanvas.Children.Clear();
}
foreach (var item in groupDic)
{
item.Value.VisualElement.ClearValue(ContentControl.ContentTemplateProperty);
item.Value.TempElement.ClearValue(ContentControl.ContentTemplateProperty);
}
groupDic.Clear();
if (currentTopGroupHeader != null)
{
currentTopGroupHeader.DataContext = null;
currentTopGroupHeader.Visibility = Visibility.Collapsed;
}
groupHeaderDelta = 30;
defaultListViewItemMargin = new Thickness(0);
isGotoGrouping = false;
groupheaders.Clear();
}
private void OnItemsSourceChanged(DependencyObject sender, DependencyProperty dp)
{
if (this.ItemsSource != null && ItemsSource is IGroupCollection)
{
groupCollection = (ItemsSource as IGroupCollection);
}
if (groupHeadersGrid != null)
{
groupHeadersGrid.Children.Clear();
}
groupDic.Clear();
if (currentTopGroupHeader != null)
{
currentTopGroupHeader.DataContext = null;
currentTopGroupHeader.Visibility = Visibility.Collapsed;
if (groupHeadersGrid != null)
{
groupHeadersGrid.Children.Add(currentTopGroupHeader);
}
}
else
{
if (groupHeadersGrid != null)
{
currentTopGroupHeader = CreateGroupHeader(null);
currentTopGroupHeader.Visibility = Visibility.Collapsed;
groupHeadersGrid.Children.Add(currentTopGroupHeader);
}
}
}
private void OnItemsSourceChanged(DependencyObject sender, DependencyProperty dp)
{
if (this.ItemsSource != null && ItemsSource is IGroupCollection)
{
groupCollection = (ItemsSource as IGroupCollection);
}
if (groupHeadersGrid != null)
{
groupHeadersGrid.Children.Clear();
}
groupDic.Clear();
if (currentTopGroupHeader != null)
{
currentTopGroupHeader.DataContext = null;
currentTopGroupHeader.Visibility = Visibility.Collapsed;
if (groupHeadersGrid != null)
{
groupHeadersGrid.Children.Add(currentTopGroupHeader);
}
}
else
{
if (groupHeadersGrid != null)
{
currentTopGroupHeader = CreateGroupHeader(null);
currentTopGroupHeader.Visibility = Visibility.Collapsed;
groupHeadersGrid.Children.Add(currentTopGroupHeader);
}
}
}
public DefaultAddGroupElementCommand(GroupName defaultName, IConditional <string, GroupName> names,
IGroupCollection <T> collection)
: base(new AddGroupElementCommand <T>(collection, new GroupName <T>(defaultName, names))
.ToSelect()
.UnlessIsOf(new GroupingAwareCommand <T>(collection).ToSelect())
.ToCommand())
{
}
/// <summary>
/// Return matching groups
/// </summary>
/// <param name="col"></param>
/// <param name="properties"></param>
/// <returns></returns>
private IGroupCollection FilterGroupCollection(IGroupCollection col, IDictionary <string, object> properties)
{
GroupCollection retCol = new GroupCollection();
foreach (IGroup item in col)
{
if (Match(item.Properties, properties))
{
retCol.Add(item);
}
}
return(retCol);
}
internal void OnItemsSourceChanged()
{
if (this.ItemsSource != null && ItemsSource is IGroupCollection)
{
groupCollection = (ItemsSource as IGroupCollection);
}
if (groupHeadersGrid != null)
{
groupHeadersGrid.Children.Clear();
}
visibleGroupHeaders.Clear();
base.ItemsSource = this.ItemsSource;
}
private void OnItemsSourceChanged(DependencyObject sender, DependencyProperty dp)
{
groupCollection = null;
if (this.ItemsSource != null && ItemsSource is IGroupCollection)
{
groupCollection = (ItemsSource as IGroupCollection);
}
if (currentTopGroupHeader != null)
{
currentTopGroupHeader.DataContext = null;
currentTopGroupHeader.Visibility = Visibility.Collapsed;
}
}
IGroupCollection IRoleProvider.FindGroups(string userName, IDictionary <string, object> properties)
{
//Connect to webservice using init value set from config....
BackEndProvider bp = new BackEndProvider();
bp.Initialize(_url);
IGroupCollection groups = bp.GetGroups(userName, properties);
return(groups);
//Implement all other methods that has not been implemented in this sample in the same way....
//Get User/Group objects from back end and return objects that implement IUser/IGroup etc.
}
private void OnItemsSourceChanged(DependencyObject sender, DependencyProperty dp)
{
groupCollection = null;
if (this.ItemsSource != null && ItemsSource is IGroupCollection)
{
groupCollection = (ItemsSource as IGroupCollection);
}
if (currentTopGroupHeader != null)
{
currentTopGroupHeader.DataContext = null;
currentTopGroupHeader.Visibility = Visibility.Collapsed;
}
groupheaders.Clear();
}
public AddGroupElementCommand(IGroupCollection <T> collection, ISelect <T, GroupName> name)
: this(name.Select(collection).Select(ItemCommands <T> .Default))
{
}
public static IPagedCollection <IGroup> Execute(this IGroupCollection groups)
{
return(AsyncHelper.RunSync(async() => await groups.ExecuteAsync()));
}
public static async Task <IEnumerable <IGroup> > ByDisplayNamesAsync(this IGroupCollection groups, params string[] displayNames)
{
return(await groups.OfType <IGroup>().ByDisplayNamesAsync(displayNames).ConfigureAwait(false));
}
public static IEnumerable <IGroup> ByDisplayNames(this IGroupCollection groups, params string[] displayNames)
{
return(groups.OfType <IGroup>().ByDisplayNames(displayNames));
}
public GroupingAwareCommand(IGroupCollection <T> collection) => _collection = collection;
