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AssociationClass code complete and tested
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| //using System.Collections.Generic; | ||
| //using System.Diagnostics; | ||
| //using System.Linq; | ||
| //using System.Windows.Forms; | ||
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| //using Microsoft.VisualStudio.Modeling.Diagrams; | ||
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| //namespace Sawczyn.EFDesigner.EFModel | ||
| //{ | ||
| // public class ClassDragMouseAction : MouseAction | ||
| // { | ||
| // private readonly ClassShape _classShape; | ||
| // private readonly ModelClass _modelClass; | ||
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| // public ClassDragMouseAction(ClassShape classShape) : base(classShape.Diagram) | ||
| // { | ||
| // _classShape = classShape; | ||
| // _modelClass = (ModelClass)classShape.ModelElement; | ||
| // } | ||
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| // /// <summary> | ||
| // /// Called when a MouseMove event has been dispatched to this MouseAction. | ||
| // /// </summary> | ||
| // /// <param name="e">A DiagramMouseEventArgs that contains event data.</param> | ||
| // /// <remarks>To modify the cursor, override GetCursor.</remarks> | ||
| // /// <remarks> | ||
| // /// To draw feedback for this MouseAction, override DoPaintFeedback. | ||
| // /// </remarks> | ||
| // protected override void OnMouseMove(DiagramMouseEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnMouseMove 0"); | ||
| // base.OnMouseMove(e); | ||
| // Debug.WriteLine("OnMouseMove 1"); | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Called when a MouseDown event has been dispatched to this MouseAction. | ||
| // /// </summary> | ||
| // /// <param name="e">A DiagramMouseEventArgs that contains event data.</param> | ||
| // protected override void OnMouseDown(DiagramMouseEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnMouseDown 0"); | ||
| // base.OnMouseDown(e); | ||
| // Debug.WriteLine("OnMouseDown 1"); | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Called when this MouseAction's drag operation has been canceled. | ||
| // /// </summary> | ||
| // /// <param name="e">A MouseActionEventArgs that contains event data.</param> | ||
| // /// <remarks> | ||
| // /// Set e.ActionRequest to ActionRequest.CompleteAction to complete the | ||
| // /// MouseAction and deactivate it. | ||
| // /// </remarks> | ||
| // /// <remarks> | ||
| // /// Set e.ActionRequest to ActionRequest.CancelAction to cancel the | ||
| // /// MouseAction and deactivate it. | ||
| // /// </remarks> | ||
| // /// <remarks> | ||
| // /// Set e.ActionRequest to ActionRequest.ContinueAction to keep the | ||
| // /// MouseAction active. This will place the MouseAction in the | ||
| // /// hovering state. | ||
| // /// </remarks> | ||
| // protected override void OnDragCanceled(MouseActionEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnDragCanceled 0"); | ||
| // base.OnDragCanceled(e); | ||
| // Debug.WriteLine("OnDragCanceled 1"); | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Called when this MouseAction has entered the drag/click-pending state. | ||
| // /// </summary> | ||
| // /// <param name="e">A MouseActionEventArgs that contains event data.</param> | ||
| // /// <remarks> | ||
| // /// The drag/click-pending state begins when a MouseDown event occurs while | ||
| // /// the MouseAction is in a hovering state or while it is inactive. | ||
| // /// </remarks> | ||
| // protected override void OnDragPendingBegun(MouseActionEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnDragPendingBegun 0"); | ||
| // base.OnDragPendingBegun(e); | ||
| // Debug.WriteLine("OnDragPendingBegun 1"); | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Called when this MouseAction has exited the drag/click-pending state. | ||
| // /// </summary> | ||
| // /// <param name="e">A MouseActionEventArgs that contains event data.</param> | ||
| // /// <remarks> | ||
| // /// The drag/click-pending state ends when the criteria for dragging has been | ||
| // /// satisfied, or when a MouseUp has been received before dragging could begin | ||
| // /// (in which case the user has clicked), or when a Complete or Cancel event | ||
| // /// has been received. | ||
| // /// </remarks> | ||
| // protected override void OnDragPendingEnded(MouseActionEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnDragPendingEnded 0"); | ||
| // base.OnDragPendingEnded(e); | ||
| // Debug.WriteLine("OnDragPendingEnded 1"); | ||
| // } | ||
|
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| // /// <summary>Called when this MouseAction has been activated.</summary> | ||
| // /// <param name="e">A DiagramEventArgs that contains event data.</param> | ||
| // protected override void OnMouseActionActivated(DiagramEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnMouseActionActivated 0"); | ||
| // base.OnMouseActionActivated(e); | ||
| // Debug.WriteLine("OnMouseActionActivated 1"); | ||
| // } | ||
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| // /// <summary> | ||
| // /// Called when the MouseAction has been canceled and is ready to be deactivated. | ||
| // /// </summary> | ||
| // /// <param name="e">A DiagramEventArgs that contains event data.</param> | ||
| // protected override void OnMouseActionCanceled(DiagramEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnMouseActionCanceled 0"); | ||
| // base.OnMouseActionCanceled(e); | ||
| // Debug.WriteLine("OnMouseActionCanceled 1"); | ||
| // } | ||
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| // /// <summary> | ||
| // /// Called when the MouseAction has completed and is ready to be deactivated. | ||
| // /// </summary> | ||
| // /// <param name="e">A DiagramEventArgs that contains event data.</param> | ||
| // protected override void OnMouseActionCompleted(DiagramEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnMouseActionCompleted 0"); | ||
| // base.OnMouseActionCompleted(e); | ||
| // Debug.WriteLine("OnMouseActionCompleted 1"); | ||
| // } | ||
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| // /// <summary>Called when this MouseAction has been deactivated.</summary> | ||
| // /// <param name="e">A DiagramEventArgs that contains event data.</param> | ||
| // protected override void OnMouseActionDeactivated(DiagramEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnMouseActionDeactivated 0"); | ||
| // base.OnMouseActionDeactivated(e); | ||
| // Debug.WriteLine("OnMouseActionDeactivated 1"); | ||
| // } | ||
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| // /// <summary> | ||
| // /// Called when a MouseUp event has been dispatched to this MouseAction. | ||
| // /// </summary> | ||
| // /// <param name="e">A DiagramMouseEventArgs that contains event data.</param> | ||
| // /// <remarks> | ||
| // /// If your intent is to respond to a MouseDown + MouseUp | ||
| // /// combination that does not include dragging, override the | ||
| // /// OnClicked method instead. | ||
| // /// (A MouseMove may occur between MouseDown and MouseUp that does | ||
| // /// not exceed a drag delta and therefore does not start dragging.) | ||
| // /// </remarks> | ||
| // /// <remarks> | ||
| // /// If your intent is to respond to a MouseDown + Drag + MouseUp | ||
| // /// combination, override the OnDragCompleted method instead. | ||
| // /// (Drag occurs when the MouseMove exceeds a drag delta.) | ||
| // /// </remarks> | ||
| // /// <remarks> | ||
| // /// If your intent is to respond to a double-click event, override | ||
| // /// the OnDoubleClick method instead. | ||
| // /// </remarks> | ||
| // /// <remarks> | ||
| // /// If your intent is to respond to the right-click event (perhaps | ||
| // /// to prevent the context menu from appearing), override the | ||
| // /// OnContextMenuRequested method instead. | ||
| // /// </remarks> | ||
| // protected override void OnMouseUp(DiagramMouseEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnMouseUp 0"); | ||
| // base.OnMouseUp(e); | ||
| // Debug.WriteLine("OnMouseUp 1"); | ||
| // List<BidirectionalConnector> candidates = _classShape.GetBidirectionalConnectorsUnderShape(); | ||
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| // if (candidates.Any()) | ||
| // { | ||
| // Debug.WriteLine("OnMouseUp 2"); | ||
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| // foreach (BidirectionalConnector candidate in candidates) | ||
| // { | ||
| // Debug.WriteLine("OnMouseUp 3"); | ||
| // BidirectionalAssociation association = ((BidirectionalAssociation)candidate.ModelElement); | ||
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| // if (BooleanQuestionDisplay.Show(_classShape.Store, $"Make {_modelClass.Name} an association class for {association.GetDisplayText()}?") == true) | ||
| // { | ||
| // Debug.WriteLine("OnMouseUp 4"); | ||
| // _classShape.AddAssociationClass(candidate); | ||
| // Complete(e.DiagramClientView); | ||
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| // Debug.WriteLine("OnMouseUp 5"); | ||
|
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| // return; | ||
| // } | ||
| // } | ||
| // } | ||
|
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| // Debug.WriteLine("OnMouseUp 6"); | ||
| // Cancel(e.DiagramClientView); | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Called when this MouseAction has entered the dragging state. | ||
| // /// </summary> | ||
| // /// <param name="e">A MouseActionEventArgs that contains event data.</param> | ||
| // /// <remarks> | ||
| // /// The dragging state begins when the criteria for dragging has been satisfied. | ||
| // /// Typically, the mouse cursor must move beyond a drag delta. | ||
| // /// </remarks> | ||
| // protected override void OnDraggingBegun(MouseActionEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnDraggingBegun 0"); | ||
| // base.OnDraggingBegun(e); | ||
| // Debug.WriteLine("OnDraggingBegun 1"); | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Called when this MouseAction has exited the dragging state. | ||
| // /// </summary> | ||
| // /// <param name="e">A MouseActionEventArgs that contains event data.</param> | ||
| // /// <remarks> | ||
| // /// The dragging state ends when a MouseUp event has been received or when a | ||
| // /// Complete or Cancel event has been received. | ||
| // /// </remarks> | ||
| // protected override void OnDraggingEnded(MouseActionEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnDraggingEnded 0"); | ||
| // base.OnDraggingEnded(e); | ||
| // Debug.WriteLine("OnDraggingEnded 1"); | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Called when this MouseAction's drag operation has completed. | ||
| // /// </summary> | ||
| // /// <param name="e">A MouseActionEventArgs that contains event data.</param> | ||
| // protected override void OnDragCompleted(MouseActionEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("OnDragCompleted 0"); | ||
| // base.OnDragCompleted(e); | ||
| // Debug.WriteLine("OnDragCompleted 1"); | ||
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| // List<BidirectionalConnector> candidates = _classShape.GetBidirectionalConnectorsUnderShape(); | ||
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| // if (candidates.Any()) | ||
| // { | ||
| // Debug.WriteLine("OnDragCompleted 2"); | ||
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| // foreach (BidirectionalConnector candidate in candidates) | ||
| // { | ||
| // Debug.WriteLine("OnDragCompleted 3"); | ||
| // BidirectionalAssociation association = ((BidirectionalAssociation)candidate.ModelElement); | ||
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| // if (BooleanQuestionDisplay.Show(_classShape.Store, $"Make {_modelClass.Name} an association class for {association.GetDisplayText()}?") == true) | ||
| // { | ||
| // Debug.WriteLine("OnDragCompleted 4"); | ||
| // _classShape.AddAssociationClass(candidate); | ||
| // e.ActionRequest = ActionRequest.CompleteAction; | ||
|
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| // Debug.WriteLine("OnDragCompleted 5"); | ||
|
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| // return; | ||
| // } | ||
| // } | ||
| // } | ||
|
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| // Debug.WriteLine("OnDragCompleted 6"); | ||
| // e.ActionRequest = ActionRequest.CancelAction; | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Gets the cursor to display at the specified mouse position. | ||
| // /// </summary> | ||
| // /// <param name="currentCursor">The existing cursor.</param> | ||
| // /// <param name="diagramClientView">The DiagramClientView requesting the cursor.</param> | ||
| // /// <param name="mousePosition">The cursor position in world units relative to the top-left of the diagram.</param> | ||
| // /// <returns>The cursor to display at the specified mouse position.</returns> | ||
| // /// <remarks> | ||
| // /// This method is called by the DiagramClientView if this MouseAction is active or | ||
| // /// if it is the potential MouseAction. | ||
| // /// </remarks> | ||
| // /// <remarks>By default, this method returns the currentCursor.</remarks> | ||
| // public override Cursor GetCursor(Cursor currentCursor, DiagramClientView diagramClientView, PointD mousePosition) | ||
| // { | ||
| // return Cursors.SizeAll; | ||
| // } | ||
|
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| // /// <summary> | ||
| // /// Called by the DiagramClientView to paint the feedback for the MouseAction. | ||
| // /// </summary> | ||
| // /// <param name="e">A DiagramPaintEventArgs that contains event data.</param> | ||
| // public override void DoPaintFeedback(DiagramPaintEventArgs e) | ||
| // { | ||
| // Debug.WriteLine("DoPaintFeedback 0"); | ||
| // base.DoPaintFeedback(e); | ||
| // Debug.WriteLine("DoPaintFeedback 1"); | ||
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| // if (_modelClass != null && _modelClass.CanBecomeAssociationClass()) | ||
| // { | ||
| // Debug.WriteLine("DoPaintFeedback 2"); | ||
| // List<BidirectionalConnector> connectors = _classShape.GetBidirectionalConnectorsUnderShape(); | ||
| // HighlightedShapesCollection highlightedShapes = e.View.HighlightedShapes; | ||
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| // if (connectors.Any()) | ||
| // { | ||
| // Debug.WriteLine("DoPaintFeedback 3"); | ||
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| // if (!highlightedShapes.Contains(new DiagramItem(_classShape))) | ||
| // { | ||
| // Debug.WriteLine("DoPaintFeedback 4"); | ||
| // highlightedShapes.Add(new DiagramItem(_classShape)); | ||
| // _classShape.Invalidate(); | ||
| // } | ||
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| // foreach (BidirectionalConnector connector in connectors.Where(c => !highlightedShapes.Contains(new DiagramItem(c)))) | ||
| // { | ||
| // Debug.WriteLine("DoPaintFeedback 5"); | ||
| // highlightedShapes.Add(new DiagramItem(connector)); | ||
| // connector.Invalidate(); | ||
| // } | ||
| // } | ||
| // else | ||
| // { | ||
| // Debug.WriteLine("DoPaintFeedback 6"); | ||
| // highlightedShapes.Remove(new DiagramItem(_classShape)); | ||
| // _classShape.Invalidate(); | ||
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| // foreach (BidirectionalConnector connector in connectors) | ||
| // { | ||
| // Debug.WriteLine("DoPaintFeedback 7"); | ||
| // highlightedShapes.Remove(new DiagramItem(connector)); | ||
| // connector.Invalidate(); | ||
| // } | ||
| // } | ||
| // } | ||
| // } | ||
| // } | ||
| //} |
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