public override void PerformReflection(ReflectionContext context)
{
WorkflowNode workflowNode = context.CurrentTreeNode as WorkflowNode;
if (workflowNode == null)
{
throw new ApplicationException("Expected the parent node to be a workflow node.");
}
object workflowInstance = null;
try
{
workflowInstance = workflowNode.WorkflowType.InvokeMember(string.Empty, BindingFlags.CreateInstance, null, null, null, CultureInfo.InvariantCulture);
}
catch (Exception exc)
{
MessageBox.Show("Could not create workflow type: " + exc.ToString());
return;
}
TreeNode activitiesNode = new TreeNode();
activitiesNode.Text = "Activities";
activitiesNode.ImageIndex = activitiesNode.SelectedImageIndex = context.GetImageIndex(typeof(WorkflowActivitiesComponent), ActivitiesNodeImageName);
workflowNode.Nodes.Add(activitiesNode);
if (!(workflowInstance is CompositeActivity))
{
TreeNode none = new TreeNode();
none.Text = "<Workflow is not a CompositeActivity>";
activitiesNode.Nodes.Add(none);
}
else
{
Queue <KeyValuePair <CompositeActivity, TreeNode> > toProcess = new Queue <KeyValuePair <CompositeActivity, TreeNode> >();
toProcess.Enqueue(new KeyValuePair <CompositeActivity, TreeNode>((CompositeActivity)workflowInstance, activitiesNode));
while (toProcess.Count > 0)
{
KeyValuePair <CompositeActivity, TreeNode> pair = toProcess.Dequeue();
CompositeActivity compositeActivity = pair.Key;
TreeNode parent = pair.Value;
foreach (Activity activity in compositeActivity.Activities)
{
ActivityNode activityNode = new ActivityNode();
activityNode.Activity = activity;
activityNode.ImageIndex = activityNode.SelectedImageIndex = context.GetImageIndex(typeof(WorkflowActivitiesComponent), ActivityNodeImageName);
parent.Nodes.Add(activityNode);
ReflectChildComponents(context.CreateClone(activityNode));
if (activity is CompositeActivity)
{
toProcess.Enqueue(new KeyValuePair <CompositeActivity, TreeNode>((CompositeActivity)activity, activityNode));
}
}
}
}
}
public override void PerformReflection(ReflectionContext context)
{
WorkflowNode workflowNode = context.CurrentTreeNode as WorkflowNode;
if (workflowNode == null)
{
throw new ApplicationException("Expected the parent node to be a workflow node.");
}
object workflowInstance = null;
try
{
workflowInstance = workflowNode.WorkflowType.InvokeMember(string.Empty, BindingFlags.CreateInstance, null, null, null, CultureInfo.InvariantCulture);
}
catch (Exception exc)
{
MessageBox.Show("Could not create workflow type: " + exc.ToString());
return;
}
TreeNode activitiesNode = new TreeNode();
activitiesNode.Text = "Activities";
activitiesNode.ImageIndex = activitiesNode.SelectedImageIndex = context.GetImageIndex(typeof(WorkflowActivitiesComponent), ActivitiesNodeImageName);
workflowNode.Nodes.Add(activitiesNode);
if (!(workflowInstance is CompositeActivity))
{
TreeNode none = new TreeNode();
none.Text = "<Workflow is not a CompositeActivity>";
activitiesNode.Nodes.Add(none);
}
else
{
Queue<KeyValuePair<CompositeActivity, TreeNode>> toProcess = new Queue<KeyValuePair<CompositeActivity, TreeNode>>();
toProcess.Enqueue(new KeyValuePair<CompositeActivity, TreeNode>((CompositeActivity)workflowInstance, activitiesNode));
while (toProcess.Count > 0)
{
KeyValuePair<CompositeActivity, TreeNode> pair = toProcess.Dequeue();
CompositeActivity compositeActivity = pair.Key;
TreeNode parent = pair.Value;
foreach (Activity activity in compositeActivity.Activities)
{
ActivityNode activityNode = new ActivityNode ();
activityNode.Activity = activity;
activityNode.ImageIndex = activityNode.SelectedImageIndex = context.GetImageIndex(typeof(WorkflowActivitiesComponent), ActivityNodeImageName);
parent.Nodes.Add(activityNode);
ReflectChildComponents(context.CreateClone(activityNode));
if (activity is CompositeActivity)
{
toProcess.Enqueue(new KeyValuePair<CompositeActivity, TreeNode>((CompositeActivity)activity, activityNode));
}
}
}
}
}
