private void Graph_GeneratingPopup(object sender, GeneratingPopupEventArgs e)
{
if (AllowGraphEditing)
{
foreach (NodeTypeEntry nte in NodeTypes)
{
TextBlock txb = new TextBlock()
{
Text = string.Format("Insert {0}", nte.Name), Tag = nte
};
txb.MouseLeftButtonUp += (sender2, e2) =>
{
m_MenuSelectedNodeType = (sender2 as TextBlock).Tag as NodeTypeEntry;
DNode node = Graph.AddNodeAtLocation(e.MousePos, true);
m_MenuSelectedNodeType = null;
Graph.ClosePopup();
Graph.BeginContentEdit(node);
};
e.ListBox.Items.Add(txb);
}
}
else
{
e.ListBox.Items.RemoveAt(2);
e.ListBox.Items.RemoveAt(1);
}
if (!AllowLabelEditing)
{
e.ListBox.Items.RemoveAt(0);
}
}
public void AddNodeType(NodeTypeEntry nte)
{
_NodeTypes.Add(nte);
NodeTypeComboBox.ItemsSource = NodeTypes.Select(x => x); // If I use NodeTypes directly, it crashes. No idea why. Looks like a bug in Silverlight.
NodeTypeComboBox.SelectedIndex = 0;
if (AllowGraphEditing && UseComboInsertion)
{
NodeTypeComboBox.Visibility = Visibility.Visible;
}
}
void Graph_NodeInsertedByUser(object sender, EventArgs e)
{
if (NodeTypeComboBox.SelectedItem == null || m_AddingFromMenu)
{
return;
}
NodeTypeEntry nte = (NodeTypeEntry)NodeTypeComboBox.SelectedItem;
DNode dn = sender as DNode;
ApplyNodeTypeToInsertedNode(nte, dn);
}
private void Graph_NodeInsertingByUser(object sender, EventArgs e)
{
if (NodeTypeComboBox.SelectedItem == null && m_MenuSelectedNodeType == null)
{
return;
}
NodeTypeEntry nte = m_MenuSelectedNodeType ?? (NodeTypeEntry)NodeTypeComboBox.SelectedItem;
DNode dn = sender as DNode;
ApplyNodeTypeToInsertedNode(nte, dn);
}
void ApplyNodeTypeToInsertedNode(NodeTypeEntry nte, DNode node)
{
node.DrawingNode.Attr.Shape = nte.Shape;
if (nte.XRadius != 0)
{
node.DrawingNode.Attr.XRadius = nte.XRadius;
}
if (nte.YRadius != 0)
{
node.DrawingNode.Attr.YRadius = nte.YRadius;
}
node.Tag = nte.Tag;
Graph.ResizeNodeToLabel(node);
}
void Graph_GeneratingPopup(object sender, GeneratingPopupEventArgs e)
{
foreach (NodeTypeEntry nte in NodeTypes)
{
TextBlock txb = new TextBlock()
{
Text = string.Format("Insert {0}", nte.Name), Tag = nte
};
txb.MouseLeftButtonUp += (sender2, e2) =>
{
NodeTypeEntry nte2 = (sender2 as TextBlock).Tag as NodeTypeEntry;
m_AddingFromMenu = true;
DNode node = Graph.AddNodeAtLocation(e.MousePos, true);
m_AddingFromMenu = false;
ApplyNodeTypeToInsertedNode(nte2, node);
Graph.ClosePopup();
Graph.BeginContentEdit(node);
};
e.ListBox.Items.Add(txb);
}
}
void ApplyNodeTypeToInsertedNode(NodeTypeEntry nte, DNode node)
{
node.DrawingNode.Attr.Shape = nte.Shape;
if (nte.XRadius != 0)
node.DrawingNode.Attr.XRadius = nte.XRadius;
if (nte.YRadius != 0)
node.DrawingNode.Attr.YRadius = nte.YRadius;
node.Tag = nte.Tag;
Graph.ResizeNodeToLabel(node);
}
public void AddNodeType(NodeTypeEntry nte)
{
_NodeTypes.Add(nte);
NodeTypeComboBox.ItemsSource = NodeTypes.Select(x => x); // If I use NodeTypes directly, it crashes. No idea why. Looks like a bug in Silverlight.
NodeTypeComboBox.SelectedIndex = 0;
if (AllowGraphEditing && UseComboInsertion)
NodeTypeComboBox.Visibility = Visibility.Visible;
}
