/// <summary>
/// Set the attributes of the nodes in the graph
/// </summary>
/// <param name="attribute">Attribute to be set on all nodes in the graph</param>
public static void SetNodeAttribute(this Graph graph, NodeAttr attribute)
{
foreach (var node in graph.Nodes)
{
node.Attr = attribute.Clone();
}
}
void graphViewer_MouseDown(object sender, MsaglMouseEventArgs evt)
{
if (_currentCmd == "add node")
{
var gv = _graphViewer;
string id = null;
do
{
id = (++_nodeIdCounter).ToString();
} while (gv.Graph.FindNode(id) != null);
var n = gv.Graph.AddNode(id);
n.Attr = _defaultNodeAttr.Clone();
n.Attr.Id = id;
GVH.addVnodeByDnode(gv, n, gv.ScreenToSource(evt));
_mouseEventHandled = true;
}
else if (_currentCmd == "node editing")
{
exitNodeEditor();
_currentCmd = "select";
}
else if (_currentCmd == "apply attr")
{
var obj = _graphViewer.ObjectUnderMouseCursor;
if (obj == null)
{
return;
}
var vedge = obj as VEdge;
if (vedge != null)
{
var att = vedge.Edge.Attr;
if (edge_defApplyAttrPanel != null)
{
EdgeAttrApplyEditor e = edge_defApplyAttrPanel.Content as EdgeAttrApplyEditor;
if (e.TarArrowStyleCmb.IsEnabled)
{
att.ArrowheadAtTarget = (ArrowStyle)e.TarArrowStyleCmb.SelectedValue;
}
if (e.SrcArrowStyleCmb.IsEnabled)
{
att.ArrowheadAtSource = (ArrowStyle)e.SrcArrowStyleCmb.SelectedValue;
}
if (e.LineStyleCmb.IsEnabled)
{
att.FirstStyle = (DStyle)e.LineStyleCmb.SelectedValue;
}
if (e.DecorateSymbolCmb.IsEnabled)
{
att.DefinedDrawDelegateName = (string)e.DecorateSymbolCmb.SelectedValue;
}
}
}
}
}