private void SavePersistDesignerItem(IDiagramItem wholeDiagramToSave, IDiagramViewModel diagramViewModel)
{
//Save all PersistDesignerItemViewModel
foreach (var persistItemVM in diagramViewModel.Items.OfType <PersistDesignerItemViewModel>())
{
PersistDesignerItem persistDesignerItem = new PersistDesignerItem(persistItemVM.Id, persistItemVM.Left, persistItemVM.Top, persistItemVM.ItemWidth, persistItemVM.ItemHeight, persistItemVM.HostUrl);
persistItemVM.Id = databaseAccessService.SavePersistDesignerItem(persistDesignerItem);
wholeDiagramToSave.DesignerItems.Add(new DiagramItemData(persistDesignerItem.Id, typeof(PersistDesignerItem)));
}
//Save all SettingsDesignerItemViewModel
foreach (var settingsItemVM in diagramViewModel.Items.OfType <SettingsDesignerItemViewModel>())
{
SettingsDesignerItem settingsDesignerItem = new SettingsDesignerItem(settingsItemVM.Id, settingsItemVM.Left, settingsItemVM.Top, settingsItemVM.ItemWidth, settingsItemVM.ItemHeight, settingsItemVM.Setting1);
settingsItemVM.Id = databaseAccessService.SaveSettingDesignerItem(settingsDesignerItem);
wholeDiagramToSave.DesignerItems.Add(new DiagramItemData(settingsDesignerItem.Id, typeof(SettingsDesignerItem)));
}
//Save all GroupingDesignerItemViewModel
foreach (var groupingItemVM in diagramViewModel.Items.OfType <GroupingDesignerItemViewModel>())
{
GroupDesignerItem groupDesignerItem = new GroupDesignerItem(groupingItemVM.Id, groupingItemVM.Left, groupingItemVM.Top, groupingItemVM.ItemWidth, groupingItemVM.ItemHeight);
if (groupingItemVM.Items != null && groupingItemVM.Items.Count > 0)
{
SavePersistDesignerItem(groupDesignerItem, groupingItemVM);
}
groupingItemVM.Id = databaseAccessService.SaveGroupingDesignerItem(groupDesignerItem);
wholeDiagramToSave.DesignerItems.Add(new DiagramItemData(groupDesignerItem.Id, typeof(GroupDesignerItem)));
}
//Save all connections which should now have their Connection.DataItems filled in with correct Ids
foreach (var connectionVM in diagramViewModel.Items.OfType <ConnectorViewModel>())
{
FullyCreatedConnectorInfo sinkConnector = connectionVM.SinkConnectorInfo as FullyCreatedConnectorInfo;
Connection connection = new Connection(
connectionVM.Id,
connectionVM.SourceConnectorInfo.DataItem.Id,
GetOrientationFromConnector(connectionVM.SourceConnectorInfo.Orientation),
GetTypeOfDiagramItem(connectionVM.SourceConnectorInfo.DataItem),
sinkConnector.DataItem.Id,
GetOrientationFromConnector(sinkConnector.Orientation),
GetTypeOfDiagramItem(sinkConnector.DataItem));
connectionVM.Id = databaseAccessService.SaveConnection(connection);
wholeDiagramToSave.ConnectionIds.Add(connectionVM.Id);
}
}
private void ExecuteSaveDiagramCommand(object parameter)
{
if (!DiagramViewModel.Items.Any())
{
messageBoxService.ShowError("There must be at least one item in order save a diagram");
return;
}
IsBusy = true;
DiagramItem wholeDiagramToSave = null;
Task <int> task = Task.Factory.StartNew <int>(() =>
{
if (SavedDiagramId != null)
{
int currentSavedDiagramId = (int)SavedDiagramId.Value;
wholeDiagramToSave = databaseAccessService.FetchDiagram(currentSavedDiagramId);
//If we have a saved diagram, we need to make sure we clear out all the removed items that
//the user deleted as part of this work sesssion
foreach (var itemToRemove in itemsToRemove)
{
DeleteFromDatabase(wholeDiagramToSave, itemToRemove);
}
//start with empty collections of connections and items, which will be populated based on current diagram
wholeDiagramToSave.ConnectionIds = new List <int>();
wholeDiagramToSave.DesignerItems = new List <DiagramItemData>();
}
else
{
wholeDiagramToSave = new DiagramItem();
}
//ensure that itemsToRemove is cleared ready for any new changes within a session
itemsToRemove = new List <SelectableDesignerItemViewModelBase>();
//Save all PersistDesignerItemViewModel
foreach (var persistItemVM in DiagramViewModel.Items.OfType <PersistDesignerItemViewModel>())
{
PersistDesignerItem persistDesignerItem = new PersistDesignerItem(persistItemVM.Id, persistItemVM.Left, persistItemVM.Top, persistItemVM.HostUrl);
persistItemVM.Id = databaseAccessService.SavePersistDesignerItem(persistDesignerItem);
wholeDiagramToSave.DesignerItems.Add(new DiagramItemData(persistDesignerItem.Id, typeof(PersistDesignerItem)));
}
//Save all PersistDesignerItemViewModel
foreach (var settingsItemVM in DiagramViewModel.Items.OfType <SettingsDesignerItemViewModel>())
{
SettingsDesignerItem settingsDesignerItem = new SettingsDesignerItem(settingsItemVM.Id, settingsItemVM.Left, settingsItemVM.Top, settingsItemVM.Setting1);
settingsItemVM.Id = databaseAccessService.SaveSettingDesignerItem(settingsDesignerItem);
wholeDiagramToSave.DesignerItems.Add(new DiagramItemData(settingsDesignerItem.Id, typeof(SettingsDesignerItem)));
}
//Save all connections which should now have their Connection.DataItems filled in with correct Ids
foreach (var connectionVM in DiagramViewModel.Items.OfType <ConnectorViewModel>())
{
FullyCreatedConnectorInfo sinkConnector = connectionVM.SinkConnectorInfo as FullyCreatedConnectorInfo;
Connection connection = new Connection(
connectionVM.Id,
connectionVM.SourceConnectorInfo.DataItem.Id,
GetOrientationFromConnector(connectionVM.SourceConnectorInfo.Orientation),
GetTypeOfDiagramItem(connectionVM.SourceConnectorInfo.DataItem),
sinkConnector.DataItem.Id,
GetOrientationFromConnector(sinkConnector.Orientation),
GetTypeOfDiagramItem(sinkConnector.DataItem));
connectionVM.Id = databaseAccessService.SaveConnection(connection);
wholeDiagramToSave.ConnectionIds.Add(connectionVM.Id);
}
wholeDiagramToSave.Id = databaseAccessService.SaveDiagram(wholeDiagramToSave);
return(wholeDiagramToSave.Id);
});
task.ContinueWith((ant) =>
{
int wholeDiagramToSaveId = ant.Result;
if (!savedDiagrams.Contains(wholeDiagramToSaveId))
{
List <int> newDiagrams = new List <int>(savedDiagrams);
newDiagrams.Add(wholeDiagramToSaveId);
SavedDiagrams = newDiagrams;
}
IsBusy = false;
messageBoxService.ShowInformation(string.Format("Finished saving Diagram Id : {0}", wholeDiagramToSaveId));
}, TaskContinuationOptions.OnlyOnRanToCompletion);
}
