/// <summary>
/// Initializes a new instance of the <see cref="OneInTwoOutExpressionNode"/> class.
/// </summary>
/// <param name="diagramViewModel">
/// The diagram view model.
/// </param>
/// <param name="expressionObject">
/// The expression object.
/// </param>
/// <exception cref="ArgumentNullException">
/// The <paramref name="expressionObject"/> parameter is null.
/// </exception>
public OneInTwoOutExpressionNode(IDiagramViewModel diagramViewModel, OneInTwoOutExpression expressionObject)
: base(expressionObject)
{
if (expressionObject == null)
throw new ArgumentNullException("expressionObject");
_diagramViewModel = diagramViewModel;
ConnectorIn = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.In, expressionObject.ConnectorIn), _diagramViewModel);
Connector1Out = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, expressionObject.Connector1Out), _diagramViewModel);
Connector2Out = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, expressionObject.Connector2Out), _diagramViewModel);
}
public ConverterExpressionNode(IDiagramViewModel diagramViewModel, ConverterExpression expressionObject)
: base(expressionObject)
{
if (expressionObject == null) throw new ArgumentNullException("expressionObject");
_diagramViewModel = diagramViewModel;
IsValidFunc = n => true;
UpdateAction = n => { };
ConnectorIn = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.In, expressionObject.ConnectorIn), _diagramViewModel);
ConnectorOut = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, expressionObject.ConnectorOut), _diagramViewModel);
RaisePropertyChanged("ConvertDirection");
}
/// <summary>
/// Initializes a new instance of the <see cref="TwoInOneOutExpressionNode"/> class.
/// </summary>
/// <param name="diagramViewModel">The diagram view model.</param>
/// <param name="expressionObject">The expression object.</param>
/// <exception cref="System.ArgumentNullException">expressionObject</exception>
public TwoInOneOutExpressionNode(IDiagramViewModel diagramViewModel, TwoInOneOutExpression expressionObject)
: base(expressionObject)
{
if (expressionObject == null) throw new ArgumentNullException("expressionObject");
_diagramViewModel = diagramViewModel;
IsValidFunc = n => true;
UpdateAction = n => { };
SetConnector1In(new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.In, expressionObject.Connector1In), _diagramViewModel));
SetConnector2In(new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.In, expressionObject.Connector2In), _diagramViewModel));
ConnectorOut = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, expressionObject.ConnectorOut), _diagramViewModel);
}
/// <summary>
/// Inserts the subconnectors.
/// </summary>
/// <param name="connector">The connector.</param>
/// <param name="loadWhenNecessary">if set to <c>true</c> [load when necessary].</param>
/// <param name="recursiveExpand">if set to <c>true</c> [recursive expand].</param>
/// <param name="item">The item.</param>
private void InsertSubconnectors(ExpressionConnectorViewModel connector, bool loadWhenNecessary, bool recursiveExpand, ExpressionConnector item)
{
var idx = ConnectorsOut.IndexOf(connector);
var newConnectors = new List<ExpressionConnectorViewModel>();
foreach (var sc in item.GetSubconnectors().OrderBy(x => x.Name))
{
item.SubconnectorsLoaded = true;
var newConnector = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, sc), _diagramViewModel) { IndentLevel = connector.IndentLevel + 1 };
ConnectorsOut.Insert(++idx, newConnector);
newConnectors.Add(newConnector);
}
if (recursiveExpand)
{
foreach (var newConnector in newConnectors)
{
var connectorItem = newConnector.Item as ExpressionConnector;
if (connectorItem != null &&
connectorItem.IsConnectorsGroup &&
connectorItem.IsConnectorsGroupCollapsed)
{
continue;
}
ExpandSubconnectors(newConnector, loadWhenNecessary, true);
}
}
item.Refresh();
_diagramViewModel.RaiseForceRelayout();
}
/// <summary>
/// Expands the subconnectors.
/// </summary>
/// <param name="connector">The connector.</param>
/// <param name="loadWhenNecessary">if set to <c>true</c> [load when necessary].</param>
/// <param name="recursiveExpand">if set to <c>true</c> [recursive expand].</param>
private void ExpandSubconnectors(ExpressionConnectorViewModel connector, bool loadWhenNecessary, bool recursiveExpand)
{
var item = (ExpressionConnector)connector.Item;
if (item.HasSubconnectors)
{
if (loadWhenNecessary && !item.IsConnectorsGroup)
{
_diagramViewModel.IsBusy = true;
item.LoadSubconnectors(() =>
{
InsertSubconnectors(connector, true, recursiveExpand, item);
item.IsConnectorsGroupCollapsed = !item.SubconnectorsLoaded;
_diagramViewModel.IsBusy = false;
});
}
else
{
InsertSubconnectors(connector, false, recursiveExpand, item);
item.IsConnectorsGroupCollapsed = !item.SubconnectorsLoaded;
}
}
_diagramViewModel.RaiseForceRelayout();
}
/// <summary>
/// Deletes the subconnectors.
/// </summary>
/// <param name="connector">The connector.</param>
/// <param name="loadWhenNecessary">if set to <c>true</c> [load when necessary].</param>
/// <param name="item">The item.</param>
private void DeleteSubconnectors(ExpressionConnectorViewModel connector, bool loadWhenNecessary, ExpressionConnector item)
{
foreach (var sc in item.GetSubconnectors().OrderBy(x => x.Name))
{
var node = ConnectorsOut.FirstOrDefault(x => x.Item.Id == sc.Id);
if (node != null)
{
if (sc.HasSubfields)
{
var newConnector = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, sc), _diagramViewModel) { IndentLevel = connector.IndentLevel };
CollapseSubconnectors(newConnector, loadWhenNecessary);
}
item.SubconnectorsLoaded = false;
ConnectorsOut.Remove(node);
}
}
item.IsConnectorsGroupCollapsed = !item.SubconnectorsLoaded;
item.ClearSubconnectors();
}
/// <summary>
/// Determines whether the specified connector has connection.
/// </summary>
/// <param name="connector">The connector.</param>
private bool HasConnection(ExpressionConnectorViewModel connector)
{
var item = (ExpressionConnector)connector.Item;
if (item.HasSubconnectors)
{
foreach (var sc in item.GetSubconnectors().OrderBy(x => x.Name))
{
var node = ConnectorsOut.FirstOrDefault(x => x.Item.Id == sc.Id);
if (node != null)
{
if (node.IsConnected) return true;
if (sc.HasSubfields)
{
var newConnector = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, sc), _diagramViewModel) { IndentLevel = connector.IndentLevel };
if (HasConnection(newConnector))
{
return true;
}
}
}
}
}
return false;
}
/// <summary>
/// Collapses the subconnectors.
/// </summary>
/// <param name="connector">The connector.</param>
/// <param name="loadWhenNecessary">if set to <c>true</c> [load when necessary].</param>
private void CollapseSubconnectors(ExpressionConnectorViewModel connector, bool loadWhenNecessary)
{
var item = (ExpressionConnector)connector.Item;
if (item.HasSubconnectors && loadWhenNecessary)
{
DeleteSubconnectors(connector, true, item);
}
}
/// <summary>
/// Expands the subconnectors command execute.
/// </summary>
/// <param name="connector">The connector.</param>
private void ExpandSubconnectorsCommandExecute(ExpressionConnectorViewModel connector)
{
ExpandSubconnectors(connector, true, false);
}
/// <summary>
/// Collapses the subconnectors command execute.
/// </summary>
/// <param name="connector">The connector.</param>
private void CollapseSubconnectorsCommandExecute(ExpressionConnectorViewModel connector)
{
if (HasConnection(connector))
{
_diagramViewModel.ThePopupFactory.NotifyFailure("Can not collapse.\nOne or more connections are used");
return;
}
CollapseSubconnectors(connector, true);
_diagramViewModel.RaiseForceRelayout();
}
/// <summary>
/// Adds the fields as connectors.
/// </summary>
/// <param name="diagramViewModel">The diagram view model.</param>
/// <param name="expressionObject">The expression object.</param>
private void AddFieldsAsConnectors(IDiagramViewModel diagramViewModel, SourceFieldList expressionObject)
{
ConnectorsOut.Clear();
foreach (var node in expressionObject.Fields.OrderBy(x => x.Name))
{
var connector = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, node), diagramViewModel);
ConnectorsOut.Add(connector);
ExpandSubconnectors(connector, false, true);
}
}
public void CanConnectTo_WhenConnectionValidatorIsUsed_Disallow()
{
var diagramViewModel = Mock.Create<IDiagramViewModel>();
var sourceConnector = new ExpressionConnector(ConnectorType.Out, new ConnectorOut(Mock.Create<ExpressionObjectBase>()));
sourceConnector.DataType = NodeDataType.CrossReference;
Mock.Arrange(() => sourceConnector.Connector).Returns(Mock.Create<IConnectorOut>);
var vm = new ExpressionConnectorViewModel(sourceConnector, diagramViewModel);
var destinationItemMock = Mock.Create<IConnectorViewModel>();
var destinationConnector = new ExpressionConnector(ConnectorType.In, new ConnectorIn(Mock.Create<ExpressionObjectBase>()));
destinationConnector.DataType = NodeDataType.CrossReference;
var connector = Mock.Create<IConnectorIn>();
var validator = new CommonConnectionValidator();
Mock.Arrange(() => validator.CanConnect(Arg.IsAny<IConnectorOut>(), Arg.IsAny<IConnectorIn>()))
.Returns(ConnectivityState.Define(false, "Validation failed"));
Mock.Arrange(() => connector.Validator).Returns(validator);
Mock.Arrange(() => destinationConnector.Connector).Returns(connector);
Mock.Arrange(() => destinationItemMock.Item).Returns(destinationConnector);
var state = vm.CanConnectTo(destinationItemMock, Mock.Create<ICollection<IDiagramItemViewModel>>());
Assert.IsFalse(state.CanConnect);
Assert.AreEqual("Validation failed", state.JustificationMessage);
}
public void CanConnectTo_WhenTypeMismatch_Disallow()
{
var diagramViewModel = Mock.Create<IDiagramViewModel>();
var sourceConnector = new ExpressionConnector(ConnectorType.Out, new ConnectorOut(Mock.Create<ExpressionObjectBase>()));
sourceConnector.DataType = NodeDataType.Choice;
var vm = new ExpressionConnectorViewModel(sourceConnector, diagramViewModel);
var destinationItemMock = Mock.Create<IConnectorViewModel>();
var destinationConnector = new ExpressionConnector(ConnectorType.In, new ConnectorIn(Mock.Create<ExpressionObjectBase>()));
destinationConnector.DataType = NodeDataType.CrossReference;
Mock.Arrange(() => destinationItemMock.Item).Returns(destinationConnector);
var state = vm.CanConnectTo(destinationItemMock, Mock.Create<ICollection<IDiagramItemViewModel>>());
Assert.IsFalse(state.CanConnect);
Assert.AreEqual(
string.Format(CultureInfo.InvariantCulture,
LanguageService.Translate("Warn_ExpressionBuilder_TypesAreIncompatible"),
sourceConnector.DataType, destinationConnector.DataType),
state.JustificationMessage);
}
public void PropertiesTests()
{
var diagramViewModel = Mock.Create<IDiagramViewModel>();
//var expressionConnectorMock = Mock.Create<ExpressionConnector>();
var vm = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.In, new ConnectorIn(Mock.Create<ExpressionObjectBase>())), diagramViewModel);
TestsHelper.TestPublicDeclaredPropertiesGetSet(vm, true, x=>x.Item, x=>x.IsConnected, x=>x.Left, x=>x.Top, x=>x.IsKey);
}
/// <summary>
/// Initializes a new instance of the <see cref="ConstantExpressionNode"/> class.
/// </summary>
/// <param name="diagramViewModel">The diagram view model.</param>
/// <param name="expressionObject">The expression object.</param>
/// <exception cref="System.ArgumentNullException">expressionObject</exception>
public ConstantExpressionNode(IDiagramViewModel diagramViewModel, ConstantExpression expressionObject)
: base(expressionObject)
{
if (expressionObject == null) throw new ArgumentNullException("expressionObject");
_diagramViewModel = diagramViewModel;
IsValidFunc = n => true;
UpdateAction = n => { };
Value = expressionObject.Value;
ConnectorOut = new ExpressionConnectorViewModel(new ExpressionConnector(ConnectorType.Out, expressionObject.ConnectorOut), _diagramViewModel);
}