void GViewerObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
selectedObject = e.OldObject != null ? e.OldObject.DrawingObject : null;
if (selectedObject != null)
{
RestoreSelectedObjAttr();
gViewer.Invalidate(e.OldObject);
selectedObject = null;
}
if (gViewer.SelectedObject == null)
{
label1.Text = "No object under the mouse";
gViewer.SetToolTip(toolTip1, "");
}
else
{
selectedObject = gViewer.SelectedObject;
var edge = selectedObject as Edge;
if (edge != null)
{
selectedObjectAttr = edge.Attr.Clone();
edge.Attr.Color = Color.Blue;
gViewer.Invalidate(e.NewObject);
// here we can use e.Attr.Id or e.UserData to get back to the user data
gViewer.SetToolTip(toolTip1, String.Format("edge from {0} to {1}", edge.Source, edge.Target));
}
else if (selectedObject is Microsoft.Msagl.Drawing.Node)
{
selectedObjectAttr = (gViewer.SelectedObject as Microsoft.Msagl.Drawing.Node).Attr.Clone();
(selectedObject as Microsoft.Msagl.Drawing.Node).Attr.Color = Color.Green;
// // here you can use e.Attr.Id to get back to your data
gViewer.SetToolTip(toolTip1,
String.Format("node {0}",
(selectedObject as Microsoft.Msagl.Drawing.Node).Attr.Id));
gViewer.Invalidate(e.NewObject);
}
label1.Text = selectedObject.ToString();
}
}
void GViewerObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
IViewerObject underCursor = gViewer.ObjectUnderMouseCursor;
object sel = underCursor == null ? null : underCursor.DrawingObject;
if (sel is Node)
{
var n = sel as Node;
selection.Text = n.Id;
}
else if (sel is Edge)
{
var edge = sel as Edge;
selection.Text = edge.Source + "->" + edge.Target;
}
else
{
selection.Text = "";
}
}
private void Gviewer_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
RestorePreviouslyHoverObjectColor(e.OldObject);
if (e.OldObject != null)
{
gviewer.Invalidate(e.OldObject);
}
if (gviewer.ObjectUnderMouseCursor == null)
{
gviewer.SetToolTip(viewerToolTip, "");
return;
}
selectedObjectMouseHover = gviewer.ObjectUnderMouseCursor;
DrawingObject currentDrawingObject = selectedObjectMouseHover.DrawingObject;
string selectedObjetLabel = null;
if (currentDrawingObject is Edge)
{
var edge = currentDrawingObject as Edge;
edge.Attr.Color = Color.Blue;
selectedObjetLabel = edge.Attr.Id; // Attr.Id holds the relationship information
}
else if (currentDrawingObject is Node)
{
var node = currentDrawingObject as Node;
node.Attr.Color = Color.Green;
string entityName = node.Attr.Id;
selectedObjetLabel = entityRelations.GetEREntitieAttributesByEntityName(entityName)?.FirstOrDefault <EREntityAttribute>()?.Description;
}
else
{
return;
}
gviewer.SetToolTip(viewerToolTip, selectedObjetLabel);
if (e.NewObject != null)
{
gviewer.Invalidate(e.NewObject);
}
}
//void Form1_MouseUp(object sender, MsaglMouseEventArgs e) {
// object obj = gViewer.GetObjectAt(e.X, e.Y);
// Node node = null;
// Edge edge = null;
// var dnode = obj as DNode;
// var dedge = obj as DEdge;
// var dl = obj as DLabel;
// if (dnode != null)
// node = dnode.DrawingNode;
// else if (dedge != null)
// edge = dedge.DrawingEdge;
// else if (dl != null) {
// if (dl.Parent is DNode)
// node = (dl.Parent as DNode).DrawingNode;
// else if (dl.Parent is DEdge)
// edge = (dl.Parent as DEdge).DrawingEdge;
// }
//}
void graphViewer_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
//var n = e.NewObject.DrawingObject;// as DNode;
if (e.NewObject != null)
{
this.Text = "mouse hover in";
}
else
{
this.Text = "mouse hover out";
}
//var node = gViewer.ObjectUnderMouseCursor as Node;// as IViewerNode;
//if (node != null) {
// this.Text = node.Id;
//}
//else {
// var edge = gViewer.ObjectUnderMouseCursor as Edge;// IViewerEdge;
// if (edge != null)
// this.Text = "edge clicked";
//}
}
private void graphViewer_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
if (graphViewer.SelectedObject != null)
{
object selectedObject = graphViewer.SelectedObject;
if (selectedObject is Node)
{
if (oldNode != null)
{
oldNode.Attr.Color = Microsoft.Msagl.Drawing.Color.Blue;
oldNode.Attr.FillColor = oldFillColor;
}
Node selectedNode = (Node)selectedObject;
oldFillColor = selectedNode.Attr.FillColor;
selectedNode.Attr.Color = Microsoft.Msagl.Drawing.Color.DarkRed;
selectedNode.Attr.FillColor = Microsoft.Msagl.Drawing.Color.LightSalmon;
int objID = Int32.Parse(selectedNode.Id);
try
{
lvObjectProperties.BeginUpdate();
lvObjectProperties.Items.Clear();
lvObjectProperties.Groups.Clear();
while (objID > 0)
{
AddObjectDetails(objID);
GetParent(objID, out objID);
}
lvObjectProperties.AutoResizeColumns(ColumnHeaderAutoResizeStyle.HeaderSize);
lvObjectProperties.Columns[0].Width += 10;
}
finally
{
this.lvObjectProperties.EndUpdate();
}
oldNode = selectedNode;
graphViewer.Invalidate();
}
}
}
void gViewer_ObjectUnderMouseCursorChanged(object sender,
ObjectUnderMouseCursorChangedEventArgs e)
{
if (e.OldObject != null)
{
selectedObject = e.OldObject.DrawingObject;
}
else
{
selectedObject = null;
}
selectedObject = gViewer.SelectedObject;
Edge edge = selectedObject as Edge;
if (edge != null)
{
this.gViewer.SetToolTip(toolTip1, String.Format(edge.LabelText));
}
gViewer.Invalidate();
}
void graphViewer_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
var node = graphViewer.ObjectUnderMouseCursor as IViewerNode;
if (node != null)
{
var drawingNode = (Node)node.DrawingObject;
statusTextBox.Text = drawingNode.Label.Text;
}
else
{
var edge = graphViewer.ObjectUnderMouseCursor as IViewerEdge;
if (edge != null)
{
statusTextBox.Text = ((Edge)edge.DrawingObject).SourceNode.Label.Text + "->" +
((Edge)edge.DrawingObject).TargetNode.Label.Text;
}
else
{
statusTextBox.Text = "No object";
}
}
}
private void uxGraphViewer_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
if (e.NewObject == null)
{
this.toolTip.Hide(this);
return;
}
string objectText;
switch (e.NewObject)
{
case DEdge edge:
objectText = $"{edge.Edge.Source} -> {edge.Edge.Target}";
break;
case DNode node:
var sb = new StringBuilder();
sb.AppendLine($"{node.Node.Id} (references {node.Node.OutEdges.Count()} / referenced by {node.Node.InEdges.Count()})");
foreach (var outEdges in node.Node.OutEdges)
{
sb.AppendLine($"references {outEdges.TargetNode.Id}");
}
foreach (var inEdges in node.Node.InEdges)
{
sb.AppendLine($"referenced by {inEdges.SourceNode.Id}");
}
objectText = sb.ToString();
break;
default:
objectText = e.NewObject.ToString();
break;
}
this.toolTip.Show(objectText, this, Cursor.Position, int.MaxValue);
}
void GvObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
SetStatusText();
}
private void MainForm_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
//toolPanelTime.Text = e.OldObject != null ? e.OldObject.DrawingObject.ToString() : "nothing";
}
private void MGViewer_ObjectUnderMouseCursorChanged(object aSender, ObjectUnderMouseCursorChangedEventArgs aEventArgs)
{
DNode lDNode = aEventArgs.NewObject as DNode;
if (lDNode != null)
{
mNodeUnderCursor = lDNode.Node;
}
else
{
mNodeUnderCursor = null;
}
}
static void DisplayGeometryGraph_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
var gv = (GViewer)sender;
Form form = (Form)gv.Parent;
System.Windows.Forms.Label label = null;
foreach (var l in form.Controls)
{
label = l as System.Windows.Forms.Label;
if (label != null)
{
break;
}
}
var selObj = gv.SelectedObject;
if (selObj == null)
{
label.Text = "no object";
}
else
{
label.Text = selObj.ToString();
}
}
private void GraphViewer_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
CheckObject();
}
/// <summary>
/// Allows Object Identification by moving the mouse over a node or edge.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Viewer_ObjectUnderMouseCursorChanged(object sender, ObjectUnderMouseCursorChangedEventArgs e)
{
//////viewer.ObjectUnderMouseCursor vs viewer.SelectedObject??
if (viewer.SelectedObject != null && viewer.SelectedObject is DrawingNode)
{
viewer.Focus();
// // toolTip1.SetToolTip(viewer, (viewer.SelectedObject as Microsoft.Msagl.Drawing.Node).Id);
// viewer.SetToolTip(toolTip1, getTip(e.NewObject.DrawingObject.UserData));
selectedNode = (viewer.SelectedObject as DrawingNode).Id;
// lblSelectedNode.Text = "Selected Node: " + selectedNode;
}
//else
//{
// viewer.SetToolTip(toolTip1, "");
//}
selectedObject = e.OldObject != null ? e.OldObject.DrawingObject : null;
//Clear Selected Object
if (selectedObject != null && Form.ModifierKeys != Keys.Control)
{
RestoreSelectedObjAttr();
viewer.Invalidate(e.OldObject);
selectedObject = null;
}
if (viewer.ObjectUnderMouseCursor == null)
{
lblSelectedNode.Text = "Selected Object: ";
viewer.SetToolTip(toolTip1, "");
infoTip1.ClearData();
RemoveHighlightedPath();
}
else
{
selectedObject = viewer.ObjectUnderMouseCursor.DrawingObject;
if (selectedObject is DrawingEdge && Form.ModifierKeys != Keys.Control)
{
DrawingEdge edge = selectedObject as DrawingEdge;
selectedObjectAttr = edge.Attr.Clone();
//edge.Attr.Color = DrawingColor.Blue;
edge.Attr.LineWidth += 3;
viewer.Invalidate(e.NewObject);
lblSelectedNode.Text = "Selected Edge: " + selectedObject.ToString();
// here we can use e.Attr.Id or e.UserData to get back to the user data
// viewer.SetToolTip(toolTip1, String.Format("edge from {0} to {1}", edge.Source, edge.Target));
}
if (selectedObject is DrawingNode && Form.ModifierKeys != Keys.Control)
{
DrawingNode node = selectedObject as DrawingNode;
selectedObjectAttr = node.Attr.Clone();
//node.Attr.Color = DrawingColor.Blue;
node.Attr.LineWidth += 4;
// // here you can use e.Attr.Id to get back to your data
infoTip1.SetData(e.NewObject.DrawingObject.UserData);
//viewer.SetToolTip(toolTip1, getTip(e.NewObject.DrawingObject.UserData));
selectedNode = (viewer.SelectedObject as DrawingNode).Id;
lblSelectedNode.Text = "Selected Node: " + selectedNode;
//viewer.SetToolTip(toolTip1,
// String.Format("node {0}",
// (selectedObject as Microsoft.Msagl.Drawing.Node).Attr.Id));
viewer.Invalidate(e.NewObject);
RemoveHighlightedPath(); //Remove last path - Incase traveled by edge to this node.
HighlightFullPath(node, true, true); // Recursive
foreach (IViewerObject ee in viewer.Entities.Where(ee => ee is IViewerEdge))
{
viewer.Invalidate(ee);
}
}
}
}
