private void UpdatePositions(WidgetsContainerViewModel viewModel)
{
if (string.IsNullOrEmpty(viewModel.WidgetPlacement))
{
return;
}
var data = JsonConvert.DeserializeXNode(viewModel.WidgetPlacement);
var zonesNode = data.Root;
foreach (var zoneNode in zonesNode.Elements())
{
var zoneName = zoneNode.Name.ToString();
var widgetElements = zoneNode.Elements("widgets");
var position = 0;
foreach (var widget in widgetElements
.Select(widgetNode => XmlConvert.ToInt32(widgetNode.Value))
.Select(widgetId => _widgetsService.GetWidget(widgetId))
.Where(widget => widget != null))
{
widget.Position = (position++).ToString();
widget.Zone = zoneName;
}
}
}
private void RemoveWidgets(WidgetsContainerViewModel viewModel)
{
if (string.IsNullOrEmpty(viewModel.RemovedWidgets))
{
return;
}
var widgetIds = JsonConvert.DeserializeObject <int[]>(viewModel.RemovedWidgets);
var unableToDeleteSome = false;
foreach (var widgetId in widgetIds)
{
// make sure that the user is allowed to delete the widget.
// Doing this check here handles cases where the UI is not aligned with the
// configuration, because the latter changed but the former hasn't updated
// yet.
var currentWidget = _widgetsService.GetWidget(widgetId);
if (_authorizer.Authorize(
Orchard.Core.Contents.Permissions.DeleteContent, currentWidget))
{
_widgetsService.DeleteWidget(widgetId);
}
else
{
unableToDeleteSome = true;
}
}
if (unableToDeleteSome)
{
_notifier.Warning(T("You don't have the permissions to remove some of the widgets you attempted to delete."));
}
}
private void RemoveWidgets(WidgetsContainerViewModel viewModel) {
if (string.IsNullOrEmpty(viewModel.RemovedWidgets))
return;
var widgetIds = JsonConvert.DeserializeObject<int[]>(viewModel.RemovedWidgets);
foreach (var widgetId in widgetIds) {
_widgetsService.DeleteWidget(widgetId);
}
}
protected override DriverResult Editor(WidgetsContainerPart part, IUpdateModel updater, dynamic shapeHelper) {
var viewModel = new WidgetsContainerViewModel();
if (updater.TryUpdateModel(viewModel, null, null, null)) {
UpdatePositions(viewModel);
RemoveWidgets(viewModel);
CloneWidgets(viewModel, part.ContentItem);
}
return Editor(part, shapeHelper);
}
private void CloneWidgets(WidgetsContainerViewModel viewModel, ContentItem hostContentItem)
{
CloneWidgets(viewModel.CloneFrom, hostContentItem);
}
