/// <summary>
/// Clear the graph if not empty
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void MenuReset_Click(object sender, RoutedEventArgs e)
{
if (!MainCanvas.IsEmpty())
{
MessageBoxResult result = MessageBox.Show("Would you like to save the current graph before openning a new one?", "Current graph is not saved!", MessageBoxButton.YesNoCancel, MessageBoxImage.Warning);
if (result == MessageBoxResult.Yes)
{
SaveToFile();
}
else if (result == MessageBoxResult.No)
{
MainCanvas.Children.Clear();
graph = new CanvasGraph();
}
else if (result == MessageBoxResult.Cancel)
{
// do nothing
}
}
else
{
MainCanvas.Children.Clear();
graph = new CanvasGraph();
}
}
public CanvasGraph Load(String path)
{
File = XDocument.Load(path);
cgraph = new CanvasGraph();
cgraph.Impl = Dump(File.Root);
cgraph.CommonAttributes = LoadCommonAttributes(File.Root.Element("CommonAttributes"));
return(cgraph);
}
/// <summary>
/// Add edge to the graph, avoid duplicates
/// </summary>
/// <param name="cgraph"></param>
/// <param name="cnode"></param>
private void AddIfNotContain(CanvasGraph cgraph, CanvasNode cnode)
{
INode resultNode = cnode.Impl;
//if (resultNode.GetType() != typeof(ResultNode))
// throw new Exception("AddIfNotContain Error!");
if (cgraph.Call(graph => !graph.Contains(resultNode)))
{
cgraph.Call(graph => graph.Add(resultNode));
}
}
public void Save(String path, CanvasGraph graph)
{
cgraph = graph;
XElement root = new XElement("NetworkObservability");
DumpTo(graph.Call(graphImpl => graphImpl), ref root);
root.Add(CreateCommonAttributes(cgraph.CommonAttributes));
File.Add(root);
// New way to save
File.Save(path);
}
/// <summary>
/// Open and load graph from xml
/// </summary>
private void OpenFromFile()
{
OpenFileDialog fileDialog = new OpenFileDialog();
fileDialog.Multiselect = false;
fileDialog.Filter = "XML Files(*.xml)|*.xml|Textfiles(*.txt)|*.txt|All Files(*.*)|*.*";
fileDialog.DefaultExt = ".xml";
Nullable <bool> getFile = fileDialog.ShowDialog();
if (getFile == true)
{
CanvasGraphXML reader = new CanvasGraphXML();
//CanvasGraph cGraph = new CanvasGraph();
try
{
MainCanvas.Children.Clear();
graph = reader.Load((fileDialog.FileName).ToString());
foreach (var node in graph.Impl.AllNodes.Values)
{
DrawNode(graph[node]);
}
foreach (var edge in graph.Impl.AllEdges.Values)
{
CanvasNode fromNode = graph[edge.From];
CanvasNode toNode = graph[edge.To];
DrawEdge(fromNode, toNode, graph[edge]);
}
}
catch (ArgumentNullException)
{
MessageBox.Show("Failed to load the invalid XML file.\nPlease use a valid one");
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}
}
public ResultGraph()//I might pass the content to the constructor
{
InitializeComponent();
CGraph = new CanvasGraph();
}
