private void loadGraphMLToolStripMenuItem_Click(object sender, EventArgs e)
{
//GraphMLGraphAdapter test, load
DialogResult d = cdbOpenGraphML.ShowDialog();
if (d != DialogResult.Cancel)
{
this.Cursor = Cursors.WaitCursor;
Application.DoEvents();
try
{
System.IO.StreamReader file = new System.IO.StreamReader(cdbOpenGraphML.FileName);
string line = file.ReadToEnd();
oGraphMLGraphAdapter = new GraphMLGraphAdapter();
layoutControl1.Graph = oGraphMLGraphAdapter.LoadGraphFromString(line);
}
catch (Exception ex)
{
MessageBox.Show("Error: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
this.Cursor = Cursors.Default;
//Application.DoEvents();
}
}
TryGetGraphFromGraphDataProvider
(
Object graphDataProvider,
out IGraph graph
)
{
Debug.Assert(graphDataProvider != null);
Debug.Assert(graphDataProvider is IGraphDataProvider2 ||
graphDataProvider is IGraphDataProvider);
graph = null;
GraphMLGraphAdapter oGraphMLGraphAdapter = new GraphMLGraphAdapter();
if (graphDataProvider is IGraphDataProvider2)
{
String sPathToTemporaryFile = null;
if ( !( (IGraphDataProvider2)graphDataProvider )
.TryGetGraphDataAsTemporaryFile(out sPathToTemporaryFile) )
{
return (false);
}
try
{
graph = oGraphMLGraphAdapter.LoadGraphFromFile(
sPathToTemporaryFile);
}
finally
{
File.Delete(sPathToTemporaryFile);
}
}
else
{
String sGraphDataAsGraphML;
if ( !( (IGraphDataProvider)graphDataProvider ).TryGetGraphData(
out sGraphDataAsGraphML) )
{
return (false);
}
graph = oGraphMLGraphAdapter.LoadGraphFromString(
sGraphDataAsGraphML);
}
return (true);
}
private void youTuBeVideoCrawlerToolStripMenuItem_Click(object sender, EventArgs e)
{
File.Delete(TempXmlFileName);
GetGraphData(new YouTubeVideoNetworkGraphDataProvider());
if (File.Exists(TempXmlFileName))
{
System.IO.StreamReader file = new System.IO.StreamReader(TempXmlFileName);
string line = file.ReadToEnd();
file.Close();
GraphMLGraphAdapter oGraphMLGraphAdapter = new GraphMLGraphAdapter();
layoutControl1.SetAndShowGraph(oGraphMLGraphAdapter.LoadGraphFromString(line));
}
else
{
MessageBox.Show("Error: 請重新選取youTuBe Video!" , "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
m_oGraph = new Graph();
layoutControl1.SetAndShowGraph(m_oGraph);
}
}
private void youtubeCrawlerToolStripMenuItem_Click(object sender, EventArgs e)
{
GetGraphData(new YouTubeUserNetworkGraphDataProvider());
System.IO.StreamReader file = new System.IO.StreamReader(TempXmlFileName);
string line = file.ReadToEnd();
GraphMLGraphAdapter oGraphMLGraphAdapter = new GraphMLGraphAdapter();
layoutControl1.Graph = oGraphMLGraphAdapter.LoadGraphFromString(line);
}
