public override void PerformReflection(ReflectionContext context)
{
Type[] workflowTypes = context.WorkflowAssembly.GetWorkflowTypes();
if (workflowTypes == null)
{
return;
}
foreach (Type workflowType in workflowTypes)
{
WorkflowNode workflowNode = new WorkflowNode();
workflowNode.Name = workflowType.Name;
workflowNode.Text = workflowType.FullName;
workflowNode.WorkflowType = workflowType;
workflowNode.SelectedImageIndex = workflowNode.ImageIndex = context.GetImageIndex(typeof(WorkflowComponent), WorkflowNodeImageName);
context.CurrentTreeNode.Nodes.Add(workflowNode);
ReflectChildComponents(context.CreateClone(workflowNode));
}
if (context.WorkflowAssembly.GetWorkflowTypes().Length == 0)
{
TreeNode node = new TreeNode();
node.Text = "<No Workflows Found>";
context.CurrentTreeNode.Nodes.Add(node);
}
}
private void OpenXamlInNotepad(object sender, EventArgs e)
{
ToolStripMenuItem item = (ToolStripMenuItem)sender;
WorkflowNode node = (WorkflowNode)item.Tag;
object workflowInstance = null;
try
{
workflowInstance = node.WorkflowType.InvokeMember(string.Empty, BindingFlags.CreateInstance, null, null, null, CultureInfo.InvariantCulture);
}
catch (Exception exc)
{
MessageBox.Show("The workflow type could not be created: " + exc.ToString());
return;
}
WorkflowMarkupSerializer serializer = new WorkflowMarkupSerializer();
string tempFileName = Path.GetTempFileName();
using (XmlWriter xmlWriter = XmlWriter.Create(tempFileName))
{
serializer.Serialize(xmlWriter, workflowInstance);
}
ProcessStartInfo psi = new ProcessStartInfo();
psi.Arguments = tempFileName;
psi.FileName = Path.Combine(Environment.GetEnvironmentVariable("windir"), "notepad.exe");
Process.Start(psi);
}
private void OnItemClick(object sender, EventArgs e)
{
ToolStripMenuItem item = (ToolStripMenuItem)sender;
RuleNode node = (RuleNode)item.Tag;
RuleExpressionCondition expressionCondition = (RuleExpressionCondition)node.Rule;
WorkflowNode workflowNode = (WorkflowNode)node.Parent;
EvaluateRuleDialog dialog = new EvaluateRuleDialog(expressionCondition.Expression, workflowNode.WorkflowType);
dialog.ShowDialog();
}
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)
{
Type[] workflowTypes = context.WorkflowAssembly.GetWorkflowTypes();
if (workflowTypes == null)
return;
foreach (Type workflowType in workflowTypes)
{
WorkflowNode workflowNode = new WorkflowNode();
workflowNode.Name = workflowType.Name;
workflowNode.Text = workflowType.FullName;
workflowNode.WorkflowType = workflowType;
workflowNode.SelectedImageIndex = workflowNode.ImageIndex = context.GetImageIndex(typeof(WorkflowComponent), WorkflowNodeImageName);
context.CurrentTreeNode.Nodes.Add(workflowNode);
ReflectChildComponents(context.CreateClone(workflowNode));
}
if (context.WorkflowAssembly.GetWorkflowTypes().Length == 0)
{
TreeNode node = new TreeNode();
node.Text = "<No Workflows Found>";
context.CurrentTreeNode.Nodes.Add(node);
}
}
