//*************************************************************************
// Constructor: NodeXLVisual()
//
/// <summary>
/// Initializes a new instance of the <see cref="NodeXLVisual" /> class.
/// </summary>
//*************************************************************************
public NodeXLVisual()
{
m_oGraphDrawer = new GraphDrawer(this);
AssertValid();
}
//*************************************************************************
// Constructor: NodeXLVisual()
//
/// <summary>
/// Initializes a new instance of the <see cref="NodeXLVisual" /> class.
/// </summary>
//*************************************************************************
public NodeXLVisual()
{
m_oGraphDrawer = new GraphDrawer(this);
AssertValid();
}
//*************************************************************************
// Constructor: NodeXLControl()
//
/// <summary>
/// Initializes a new instance of the <see cref="NodeXLControl" /> class.
/// </summary>
//*************************************************************************
public NodeXLControl()
{
m_oGraph = new Graph();
m_oGraphDrawer = new GraphDrawer(this);
m_oAsyncLayout = new FruchtermanReingoldLayout();
OnNewLayout(m_oAsyncLayout);
m_oLastLayoutContext =
new LayoutContext(System.Drawing.Rectangle.Empty);
m_oLastGraphDrawingContext = null;
m_eLayoutState = LayoutState.Stable;
m_eMouseMode = MouseMode.Select;
m_bMouseAlsoSelectsIncidentEdges = true;
m_bAllowVertexDrag = true;
m_oVerticesBeingDragged = null;
m_oMarqueeBeingDragged = null;
m_oTranslationBeingDragged = null;
m_oSelectedVertices = new HashSet<IVertex>();
m_oSelectedEdges = new HashSet<IEdge>();
m_oCollapsedGroups = new Dictionary<String, IVertex>();
m_oDoubleClickedVertexInfo = null;
m_bShowVertexToolTips = false;
m_oLastMouseMoveLocation = new Point(-1, -1);
// Create a helper object for displaying vertex tooltips.
CreateVertexToolTipTracker();
m_oVertexToolTip = null;
m_bGraphZoomCentered = false;
this.AddLogicalChild(m_oGraphDrawer.VisualCollection);
CreateTransforms();
// Prevent a focus rectangle from being drawn around the control when
// it captures keyboard focus. The focus rectangle does not behave
// properly when the layout and render transforms are applied --
// sometimes the rectangle disappears, and sometimes it gets magnified
// by the render layout.
this.FocusVisualStyle = null;
// AssertValid();
}
//*************************************************************************
// Method: TransferToGraphDrawer()
//
/// <summary>
/// Transfers the settings to a <see cref="GraphDrawer" />.
/// </summary>
///
/// <param name="graphDrawer">
/// Graph drawer to transfer the settings to.
/// </param>
//*************************************************************************
public void TransferToGraphDrawer(
GraphDrawer graphDrawer
)
{
Debug.Assert(graphDrawer != null);
AssertValid();
this.LabelUserSettings.TransferToGraphDrawer(graphDrawer);
graphDrawer.BackColor =
WpfGraphicsUtil.ColorToWpfColor(this.BackColor);
EdgeDrawer oEdgeDrawer = graphDrawer.EdgeDrawer;
VertexDrawer oVertexDrawer = graphDrawer.VertexDrawer;
EdgeWidthConverter oEdgeWidthConverter = new EdgeWidthConverter();
AlphaConverter oAlphaConverter = new AlphaConverter();
oEdgeDrawer.Width =
oEdgeWidthConverter.WorkbookToGraph(this.EdgeWidth);
oEdgeDrawer.SelectedWidth =
oEdgeWidthConverter.WorkbookToGraph(this.SelectedEdgeWidth);
oEdgeDrawer.Color = WpfGraphicsUtil.ColorToWpfColor(
Color.FromArgb(oAlphaConverter.WorkbookToGraphAsByte(
this.EdgeAlpha),
this.EdgeColor)
);
oEdgeDrawer.SelectedColor = WpfGraphicsUtil.ColorToWpfColor(
this.SelectedEdgeColor);
oEdgeDrawer.RelativeArrowSize = this.RelativeArrowSize;
oVertexDrawer.Shape = this.VertexShape;
oVertexDrawer.Radius = ( new VertexRadiusConverter() ).WorkbookToGraph(
this.VertexRadius);
oVertexDrawer.Color = WpfGraphicsUtil.ColorToWpfColor(
Color.FromArgb(oAlphaConverter.WorkbookToGraphAsByte(
this.VertexAlpha),
this.VertexColor)
);
oVertexDrawer.SelectedColor = WpfGraphicsUtil.ColorToWpfColor(
this.SelectedVertexColor);
}