/// <summary>
/// Process the schema object
/// </summary>
private void ProcessSchemaObject()
{
if (schemaObject == null)
{
lblError.Visible = true;
lblError.Text = "Object not available";
return;
}
else
{
lblError.Visible = false;
}
DiffBuilder builder = new DiffBuilder();
IDiffNode diffNode = builder.BuildTree(SchemaObject);
trvObjectView.Visible = false;
trvObjectView.Nodes.Clear();
ShowDiffTreeNodes(new List <IDiffNode>()
{
diffNode
}, null, trvObjectView);
if (trvObjectView.Nodes.Count > 0)
{
trvObjectView.Nodes[0].Expand();
}
trvObjectView.Visible = true;
}
/// <summary>
/// Process schema
/// </summary>
private void ProcessSchema(XmlSchemaSet value)
{
lblError.Visible = value == null;
// Elements
DiffBuilder builder = new DiffBuilder();
builder.TreatSequenceAsNode = true;
List <IDiffNode> diffNodes = new List <IDiffNode>();
if (value.Elements == null || value.Elements.Count == 0)
{
throw new InvalidOperationException("This view requires that a schema have at least one root element!");
}
foreach (XmlSchemaElement xse in value.Elements)
{
diffNodes.Add(builder.BuildTree(xse));
}
trvObjectView.Visible = false;
trvObjectView.Nodes.Clear();
ShowDiffTreeNodes(diffNodes, null, trvObjectView);
trvObjectView.Nodes[0].Expand();
trvObjectView.Visible = true;
}
public void Compare()
{
this.Cursor = Cursors.AppStarting;
try
{
Status = new KeyValuePair <string, int>("Comparing schemas...", 0);
// The main diff tree
DiffBuilder builder = new DiffBuilder();
builder.Comparing += new XmlSchemaLoadingHandler(delegate(object sender, float perc)
{
if (StatusChanged != null)
{
StatusChanged(this, new StatusChangedEventArgs()
{
Text = "Comparing schemas...", Progress = (int)(perc * 100)
});
}
});
schemaSet1 = LoadSchemaSet(schema1);
schemaSet2 = LoadSchemaSet(schema2);
DiffTree differenceTree = builder.BuildTree(schemaSet1, schemaSet2);
// SEt the initial schema elemnts
schemaObjectA.SchemaObject = schemaSet1.Elements[0];
schemaObjectB.SchemaObject = schemaSet2.Elements[0];
schemaObjectA.Title = schema1;
schemaObjectB.Title = schema2;
// Draw the difference tree
trvOverview.Nodes.Clear();
// Add the nodes
TreeNode node = trvOverview.Nodes.Add("root", "Comparison Summary", "root", "root");
node.Tag = differenceTree;
ShowDiffTreeNodes(differenceTree.Nodes, node, "/");
//trvOverview.Nodes[0].Expand();
Status = new KeyValuePair <string, int>("Comparison Complete...", 100);
if (differenceTree.CountDifferences() == 0)
{
throw new NoDifferenceException();
}
}
catch (NoDifferenceException e)
{
Status = new KeyValuePair <string, int>("Identical schemas encountered.", 0);
if (MessageBox.Show(
String.Format("The schemas '{0}' and '{1}' are identical in structure. Do you still want to see the summary?", schema1, schema2),
"Identical Schemas", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation, MessageBoxDefaultButton.Button1) == DialogResult.No)
{
throw;
}
}
catch (Exception e)
{
frmErrorDialog dlg = new frmErrorDialog();
dlg.Message = "Could not complete comparison";
dlg.Details = e.ToString();
dlg.ShowDialog();
Status = new KeyValuePair <string, int>("Error occured", 0);
throw;
}
finally
{
this.Cursor = Cursors.Default;
}
}