/// <summary>
/// Provides the selection criteria according to the mouse event arg
/// </summary>
/// <param name="mouseEventArgs"></param>
/// <returns></returns>
public static Context.SelectionCriteria SelectionCriteriaBasedOnMouseEvent(MouseEventArgs mouseEventArgs)
{
Context.SelectionCriteria retVal = Context.SelectionCriteria.None;
if (mouseEventArgs != null)
{
if (mouseEventArgs.Button == MouseButtons.Left)
{
retVal = retVal | Context.SelectionCriteria.LeftClick;
}
if (mouseEventArgs.Button == MouseButtons.Right)
{
retVal = retVal | Context.SelectionCriteria.RightClick;
}
if (mouseEventArgs.Clicks > 1)
{
retVal = retVal | Context.SelectionCriteria.DoubleClick;
}
if (Control.ModifierKeys == Keys.Control)
{
retVal = retVal | Context.SelectionCriteria.Ctrl;
}
if (Control.ModifierKeys == Keys.Alt)
{
retVal = retVal | Context.SelectionCriteria.Alt;
}
}
return(retVal);
}
/// <summary>
/// Handles a mouse double click event on a graphical element
/// </summary>
/// <param name="sender"></param>
/// <param name="mouseEventArgs"></param>
public virtual void HandleDoubleClick(object sender, MouseEventArgs mouseEventArgs)
{
IModelElement model = Model as IModelElement;
if (model != null)
{
Context.SelectionCriteria criteria = GuiUtils.SelectionCriteriaBasedOnMouseEvent(mouseEventArgs);
EfsSystem.Instance.Context.SelectElement(model, Panel, criteria);
}
}
/// <summary>
/// Handles a mouse click event on a graphical element
/// </summary>
/// <param name="sender"></param>
/// <param name="mouseEventArgs"></param>
public override void HandleClick(object sender, MouseEventArgs mouseEventArgs)
{
IModelElement model = TypedModel.RuleCondition;
if (model != null)
{
Context.SelectionCriteria criteria = GuiUtils.SelectionCriteriaBasedOnMouseEvent(mouseEventArgs);
EfsSystem.Instance.Context.SelectElement(model, Panel, criteria);
}
}
private void EditionTextBox_MouseClick(object sender, MouseEventArgs mouseEventArgs)
{
if (ModifierKeys == Keys.Control)
{
INamable instance = GetInstance(mouseEventArgs.Location);
if (instance != null)
{
IModelElement modelElement = instance as IModelElement;
if (modelElement != null)
{
Context.SelectionCriteria criteria = GuiUtils.SelectionCriteriaBasedOnMouseEvent(mouseEventArgs);
if ((criteria & Context.SelectionCriteria.Ctrl) != 0)
{
EfsSystem.Instance.Context.SelectElement(modelElement, this,
Context.SelectionCriteria.DoubleClick);
}
}
}
}
}
/// <summary>
/// Selects an historical data element
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void historyDataGridView_DoubleClick(object sender, EventArgs e)
{
ModelElement selected = null;
if (historyDataGridView.SelectedCells.Count == 1)
{
int i = historyDataGridView.SelectedCells[0].OwningRow.Index;
List <HistoryObject> historyObjects = (List <HistoryObject>)historyDataGridView.DataSource;
selected = historyObjects[i].Reference;
}
if (selected != null)
{
MouseEventArgs mouseEventArgs = e as MouseEventArgs;
if (mouseEventArgs != null)
{
EfsSystem.Instance.Context.ClearHistoryUntilElement(selected);
Context.SelectionCriteria criteria = GuiUtils.SelectionCriteriaBasedOnMouseEvent(mouseEventArgs);
EfsSystem.Instance.Context.SelectElement(selected, this, criteria);
}
}
}
/// <summary>
/// Selects the model element which corresponds to the explain tree node
/// If the current node does not refer to a model element, selects the one from its parent node
/// </summary>
/// <param name="node"></param>
/// <param name="mouseEventArgs"></param>
private void SelectModelElement(ExplainTreeNode node, MouseEventArgs mouseEventArgs)
{
while (node != null)
{
ModelElement model = node.Explanation.LeftPart as ModelElement;
if (model == null)
{
model = node.Explanation.Element;
}
if (model != null)
{
Context.SelectionCriteria criteria = GuiUtils.SelectionCriteriaBasedOnMouseEvent(mouseEventArgs);
EfsSystem.Instance.Context.SelectElement(model, this, criteria);
node = null;
}
else
{
node = node.Parent as ExplainTreeNode;
}
}
}
/// <summary>
/// Handles the move event, which, in case of an arrow is selected to be modified,
/// </summary>
/// <param name="sender"></param>
/// <param name="mouseEventArgs"></param>
private void HandleMouseMove(object sender, MouseEventArgs mouseEventArgs)
{
GraphicElement element = ElementForLocation(mouseEventArgs.Location, null);
if (element != null)
{
element.HandleMouseMove(sender, mouseEventArgs);
}
if (_changingArrow != null && _chaningArrowAction != ChangeAction.None)
{
BoxControl <TEnclosing, TBoxModel, TArrowModel> box = BoxForLocation(mouseEventArgs.Location, null);
if (box != null)
{
switch (_chaningArrowAction)
{
case ChangeAction.InitialBox:
if (_changingArrow.TypedModel.Source != box.Model)
{
_changingArrow.SetInitialBox(box.TypedModel);
}
break;
case ChangeAction.TargetBox:
if (_changingArrow.TypedModel.Target != box.Model)
{
if (_changingArrow.TypedModel.Source != null)
{
_changingArrow.SetTargetBox(box.TypedModel);
}
}
break;
}
}
}
if (_movingBox != null)
{
Point mouseMoveLocation = mouseEventArgs.Location;
int deltaX = mouseMoveLocation.X - _moveStartLocation.X;
int deltaY = mouseMoveLocation.Y - _moveStartLocation.Y;
if (Math.Abs(deltaX) > 5 || Math.Abs(deltaY) > 5)
{
IModelElement model = _movingBox.TypedModel;
if (model != null && !_movingBoxHasMoved)
{
Context.SelectionCriteria criteria = GuiUtils.SelectionCriteriaBasedOnMouseEvent(mouseEventArgs);
EfsSystem.Instance.Context.SelectElement(model, this, criteria);
_movingBoxHasMoved = true;
}
Util.DontNotify(() =>
{
int newX = _positionBeforeMove.X + deltaX;
int newY = _positionBeforeMove.Y + deltaY;
SetBoxPosition(_movingBox, newX, newY);
UpdatePositions();
});
}
}
}
