/// <summary>
/// Initializes a new SelectionManager with the specified references.
/// </summary>
/// <param name="elementProvider">Reference to the element provider.</param>
/// <param name="model">Reference to the model of the petrinet.</param>
public SelectionManager(ElementProvider elementProvider, ModelMain model)
{
_model = model;
_elementProvider = elementProvider;
_selectedItems = new List<String>();
_autoSelectedArcs = new List<String>();
}
public void Contains_IdNull_ThrowsArgumentNullException()
{
// arrange
ModelMain testModelMain = new ModelMain();
// act
testModelMain.Contains(null);
}
/// <summary>
/// Initializes a new UndoExecuter with the specified references.
/// </summary>
/// <param name="model">Reference to the model of the petrinet.</param>
/// <param name="elementProvider">Reference to the element provider.</param>
/// <param name="selectionManager">Reference to the selection manager.</param>
/// <param name="undoManager">Reference to the undo manager.</param>
/// <param name="elementCreator">Reference to the element creator.</param>
/// <param name="elementManager">Reference to the element manager.</param>
public UndoExecuter(ModelMain model, ElementProvider elementProvider, SelectionManager selectionManager,
UndoManager undoManager, ElementCreator elementCreator, ElementManager elementManager)
{
_model = model;
_elementProvider = elementProvider;
_selectionManager = selectionManager;
_undoManager = undoManager;
_elementCreator = elementCreator;
_elementManager = elementManager;
}
/// <summary>
/// Initializes a new ElementCreator with the specified references and the specified initial drawsize and
/// arrowheadSize.
/// </summary>
/// <param name="elementProvider">Reference to the element provider.</param>
/// <param name="selectionManager">Reference to the selection manager.</param>
/// <param name="undoManager">Reference to the undo manager.</param>
/// <param name="elementManager">Reference to the element manager.</param>
/// <param name="model">Reference to the model of the petrinet.</param>
/// <param name="drawSize">The initial drawsize.</param>
/// <param name="arrowheadSize">The initial arrowhead size.</param>
public ElementCreator(ElementProvider elementProvider, SelectionManager selectionManager, UndoManager undoManager,
ElementManager elementManager, ModelMain model, int drawSize, int arrowheadSize)
{
_elementProvider = elementProvider;
_selectionManager = selectionManager;
_undoManager = undoManager;
_elementManager = elementManager;
_model = model;
_drawSize = drawSize;
_arrowheadSize = arrowheadSize;
}
public void Contains_NonExistentId_ReturnsFalse()
{
// arrange
SetUpBasicFactoryDummies();
ModelMain testModelMain = new ModelMain();
testModelMain.AddTransition(0, 0, "transId");
testModelMain.AddPlace(0, 0, "placeId");
testModelMain.AddArc("transId", "placeId", "arcId");
// act
bool result = testModelMain.Contains("NonExistentId");
// assert
Assert.IsFalse(result, "Should return false if element with id does not exist.");
}
public void Contains_IdOfNode_ReturnsTrue()
{
// arrange
SetUpBasicFactoryDummies();
ModelMain testModelMain = new ModelMain();
testModelMain.AddTransition(0, 0, "transId");
testModelMain.AddPlace(0, 0, "placeId");
testModelMain.AddArc("transId", "placeId", "arcId");
// act
bool result = testModelMain.Contains("transId");
// assert
Assert.IsTrue(result, "Should return true if id belongs to existent Node.");
}
/// <summary>
/// Initializes a new instance of the VisualArc class with the specified draw size and arrowhead size,
/// using the specified ElementManager.
/// </summary>
/// <param name="drawsize">The size at which the VisualArc is drawn.</param>
/// <param name="arrowheadSize">The size at which the arrowhead of the VisualArc is drawn.</param>
/// <param name="elementManager">A reference to the ElementManager.</param>
/// <param name="model">A reference to the model of the petrinet.</param>
public VisualArc(int drawsize, int arrowheadSize, ElementManager elementManager, ModelMain model)
{
_model = model;
_drawSize = drawsize;
_arrowheadSize = arrowheadSize;
_elementManager = elementManager;
}
/// <summary>
/// Initalizes the ViewModel.
/// </summary>
public MainViewModel()
{
// initialize model
_model = new ModelMain();
// module initializations
_elementProvider = new ElementProvider();
_selectionManager = new SelectionManager(ElementProvider, Model);
_undoManager = new UndoManager();
_elementManager = new ElementManager(ElementProvider, SelectionManager, UndoManager, Model, DrawSize, ArrowheadSize);
_elementCreator = new ElementCreator(ElementProvider, SelectionManager, UndoManager, ElementManager,
Model, DrawSize, ArrowheadSize);
_workspaceManager = new WorkspaceManager(ElementProvider, UndoManager, SelectionManager, ElementCreator, ElementManager, Model);
_undoExecuter = new UndoExecuter(Model, ElementProvider, SelectionManager, UndoManager, ElementCreator,
ElementManager);
UndoManager.UndoTarget = UndoExecuter;
// event subscriptions
SelectionManager.ReevaluateCommandState += ReevaluateAllCommands;
UndoExecuter.ReevaluateCommandState += ReevaluateAllCommands;
UndoExecuter.Modified += SetModified;
UndoExecuter.ViewSizeChanged += SetViewSize;
UndoExecuter.SizeFactorChanged += SetSizeFactor;
WorkspaceManager.Modified += SetModified;
WorkspaceManager.ReevaluateCommandState += ReevaluateAllCommands;
WorkspaceManager.SelectingStateChanged += SetSelecting;
ElementManager.Modified += SetModified;
ElementManager.ReevaluateCommandState += ReevaluateAllCommands;
ElementManager.BlockStateChanged += SetBlockStateChange;
ElementManager.ViewSizeChanged += SetViewSize;
ElementManager.DrawingStateChanged += SetDrawing;
Model.TokensChangedEvent += ElementManager.HandleModelTokensChanged;
Model.TransitionStateChangedEvent += ElementManager.HandleModelTransitionStateChanged;
// connect command handlers
_sizeChangeCommand = new DelegateCommand<int>(HandleSizeChange);
_deleteNodesCommand = new DelegateCommand<String>(HandleDeleteNodes, CanDeleteNodes);
_selectAllCommand = new DelegateCommand<String>(HandleSelectAll, CanSelectAll);
_loadedCommand = new DelegateCommand<Point>(HandleLoaded);
_newFileCommand = new DelegateCommand<String>(HandleFileNew);
_loadFileCommand = new DelegateCommand<String>(HandleFileLoad);
_saveFileCommand = new DelegateCommand<String>(HandleFileSave);
}
/// <summary>
/// Initializes a new ElementManager with the specified references and the specified initial drawsize and
/// arrowheadSize.
/// </summary>
/// <param name="elementProvider">Reference to the element provider.</param>
/// <param name="selectionManager">Reference to the selection manager.</param>
/// <param name="undoManager">Reference to the undo manager.</param>
/// <param name="model">Reference to the model of the petrinet.</param>
/// <param name="drawSize">The initial drawsize.</param>
/// <param name="arrowheadSize">The initial arrowhead size.</param>
public ElementManager(ElementProvider elementProvider, SelectionManager selectionManager, UndoManager undoManager,
ModelMain model, int drawSize, int arrowheadSize)
{
_elementProvider = elementProvider;
_selectionManager = selectionManager;
_undoManager = undoManager;
_model = model;
_drawSize = drawSize;
_arrowheadSize = arrowheadSize;
_drawingArc = new VisualArc(DrawSize, ArrowheadSize, this, Model);
_nodeModeChangeCommand = new DelegateCommand<NodeMode>(HandleNodeModeChange);
_nameChangeClickCommand = new DelegateCommand<String>(HandleNameChangeClick);
_nameFieldClickedCommand = new DelegateCommand<String>(HandleNameFieldClicked);
_nameConfirmedCommand = new DelegateCommand<String>(HandleNameConfirmed);
_nameChangedCommand = new DelegateCommand<String, String>(HandleNameChanged);
_nodeMouseLeftButtonDownCommand = new DelegateCommand<String, Point, bool>(HandleNodeMouseLeftButtonDown);
_arcMouseLeftButtonDownCommand = new DelegateCommand<String, bool>(HandleArcMouseLeftButtonDown);
_nodeMouseMoveCommand = new DelegateCommand<Point>(HandleNodeMouseMove);
_nodeMouseLeftButtonUpCommand = new DelegateCommand<String, Point, bool>(HandleNodeMouseLeftButtonUp);
_mouseLeftButtonUpCommand = new DelegateCommand<Point>(HandleMouseLeftButtonUp);
_tokensChangedCommand = new DelegateCommand<String, String>(HandleTokensChanged);
_performTransitionCommand = new DelegateCommand<String>(HandlePerformTransition, CanPerformTransition);
}
/// <summary>
/// Initializes a new WorkspaceManager with the specified references.
/// </summary>
/// <param name="elementProvider">Reference to the element provider.</param>
/// <param name="undoManager">Reference to the undo manager.</param>
/// <param name="selectionManager">Reference to the selection manager.</param>
/// <param name="elementCreator">Reference to the element creator.</param>
/// <param name="elementManager">Reference to the element manager.</param>
/// <param name="model">Reference to the model of the petrinet.</param>
public WorkspaceManager(ElementProvider elementProvider, UndoManager undoManager, SelectionManager selectionManager,
ElementCreator elementCreator, ElementManager elementManager, ModelMain model)
{
_elementProvider = elementProvider;
_undoManager = undoManager;
_selectionManager = selectionManager;
_elementCreator = elementCreator;
_elementManager = elementManager;
_model = model;
_rectSelectedNodes = new List<String>();
_drawModeChangeCommand = new DelegateCommand<DrawMode>(HandleDrawModeChange);
_mouseLeftButtonDownCommand = new DelegateCommand<Point, bool>(HandleMouseLeftButtonDown);
_selectRectMouseMoveCommand = new DelegateCommand<Point>(HandleSelectRectMouseMove);
_mouseLeftButtonUpCommand = new DelegateCommand<Point>(HandleMouseLeftButtonUp);
}
public void IsNode_IdOfArc_ReturnsFalse()
{
// arrange
SetUpBasicFactoryDummies();
ModelMain testModelMain = new ModelMain();
testModelMain.AddTransition(0, 0, "transId");
testModelMain.AddPlace(0, 0, "placeId");
testModelMain.AddArc("transId", "placeId", "arcId");
// act
bool result = testModelMain.IsNode("arcId");
// assert
Assert.IsFalse(result, "Should return false if id belongs to Arc.");
}
public void IsNode_IdNull_ThrowsArgumentNullException()
{
// arrange
ModelMain testModelMain = new ModelMain();
// act
testModelMain.IsNode(null);
}
public void IsNode_NonExistentId_ReturnsFalse()
{
// arrange
SetUpBasicFactoryDummies();
ModelMain testModelMain = new ModelMain();
testModelMain.AddTransition(0, 0, "transId");
testModelMain.AddPlace(0, 0, "placeId");
testModelMain.AddArc("transId", "placeId", "arcId");
// act
bool result = testModelMain.IsNode("NonExistentId");
// assert
Assert.IsFalse(result, "Should return false if id is non-existent.");
}