static protected bool ExecuteGuiCode(IZeusCodeSegment segment, IZeusContext context)
{
IZeusExecutionHelper helper = segment.ZeusScriptingEngine.ExecutionHelper;
// If the template has an interface block, execute it
if (!segment.IsEmpty)
{
ArrayList reqVars = segment.ITemplate.RequiredInputVariables;
if (!context.Input.Contains(reqVars))
{
try
{
helper.EngineExecuteGuiCode(segment, context);
if (helper.HasErrors)
{
IZeusExecutionError[] errors = helper.Errors;
helper.ClearErrors();
throw new ZeusExecutionException(segment.ITemplate, errors, false);
}
}
catch (Exception ex)
{
throw new ZeusRuntimeException(segment.ITemplate, ex, false);
}
}
context.Input.AddItems(context.Gui);
}
return(!context.Gui.IsCanceled);
}
public bool Collect(ZeusTemplate template, IZeusContext context, int timeout, InputItemCollection collectedinput, ShowGUIEventHandler eventhandler)
{
IZeusExecutionHelper execHelper = null;
bool exceptionOccurred = false;
bool result = false;
try
{
//Initialize Context for collection
collectedinput.CopyTo(context.Gui.Defaults);
context.Gui.ForceDisplay = true;
collectedinput.Clear();
execHelper = template.GuiSegment.ZeusScriptingEngine.ExecutionHelper;
execHelper.Timeout = timeout;
if (eventhandler == null)
{
execHelper.SetShowGuiHandler(new ShowGUIEventHandler(DynamicGUI_Display));
}
else
{
execHelper.SetShowGuiHandler(new ShowGUIEventHandler(eventhandler));
}
result = template.GuiSegment.Execute(context);
execHelper.Cleanup();
if (collectedinput != null)
{
collectedinput.Add(context.Input);
}
}
catch (Exception ex)
{
context.Log.Write(ex);
exceptionOccurred = true;
}
if (!exceptionOccurred && result)
{
context.Log.Write("Successfully collected input for Template: " + template.Title);
}
else
{
context.Log.Write("Canceled Template execution: " + template.Title);
}
return(result);
}
public IZeusContext Execute(ZeusTemplate template, IZeusContext context, int timeout, InputItemCollection collectedinput, ShowGUIEventHandler eventhandler, bool skipGui)
{
IZeusExecutionHelper execHelper = null;
bool exceptionOccurred = false;
bool result = false;
try
{
if (skipGui)
{
PopulateContextObjects(context);
foreach (IZeusContextProcessor processor in ZeusFactory.Preprocessors)
{
processor.Process(context);
}
result = true;
}
else
{
execHelper = template.GuiSegment.ZeusScriptingEngine.ExecutionHelper;
execHelper.Timeout = timeout;
if (eventhandler == null)
{
execHelper.SetShowGuiHandler(new ShowGUIEventHandler(DynamicGUI_Display));
}
else
{
execHelper.SetShowGuiHandler(new ShowGUIEventHandler(eventhandler));
}
result = template.GuiSegment.Execute(context);
execHelper.Cleanup();
if (collectedinput != null)
{
collectedinput.Add(context.Input);
}
}
if (result)
{
execHelper = template.BodySegment.ZeusScriptingEngine.ExecutionHelper;
execHelper.Timeout = timeout;
result = template.BodySegment.Execute(context);
}
}
catch (Exception ex)
{
context.Log.Write(ex);
exceptionOccurred = true;
}
if (!exceptionOccurred && result)
{
context.Log.Write("Successfully rendered Template: " + template.Title);
}
else
{
context.Log.Write("Canceled Template execution: " + template.Title);
}
return(context);
}
static protected void ExecuteCode(IZeusExecutionHelper helper, IZeusTemplate template, IZeusContext context, ArrayList templateGroupIds)
{
if (!template.BodySegment.IsEmpty)
{
try
{
// Execute Template Body
helper.EngineExecuteCode(template.BodySegment, context);
if (helper.HasErrors)
{
IZeusExecutionError[] errors = helper.Errors;
helper.ClearErrors();
throw new ZeusExecutionException(template, errors, true);
}
}
catch (Exception ex)
{
throw new ZeusRuntimeException(template, ex, true);
}
}
if (template.Type == ZeusConstants.Types.GROUP)
{
if (template.IncludedTemplates.Count > 0)
{
// Execute Template Body
if (templateGroupIds.Contains(template.UniqueID))
{
return;
}
templateGroupIds.Add(template.UniqueID);
foreach (ZeusTemplate childTemplate in template.IncludedTemplates)
{
if (childTemplate.UniqueID != template.UniqueID)
{
//clear the output buffer before executing the next template!
context.Output.clear();
//Push the current template onto the Execution stack
if (context is ZeusContext)
{
((ZeusContext)context).TemplateStack.Push(childTemplate);
}
try
{
IZeusScriptingEngine engine = ZeusFactory.GetEngine(childTemplate.BodySegment.Engine);
ExecuteCode(engine.ExecutionHelper, childTemplate, context, templateGroupIds);
}
finally
{
//Pop the current template off of the Execution stack
if (context is ZeusContext)
{
((ZeusContext)context).TemplateStack.Pop();
}
}
}
}
}
}
}
static protected void ExecuteCode(IZeusCodeSegment segment, IZeusContext context)
{
IZeusExecutionHelper helper = segment.ZeusScriptingEngine.ExecutionHelper;
ExecuteCode(helper, segment.ITemplate, context, new ArrayList());
}
static protected void ExecuteCode(IZeusExecutionHelper helper, IZeusTemplate template, IZeusContext context, ArrayList templateGroupIds)
{
if (!template.BodySegment.IsEmpty)
{
try
{
// Execute Template Body
helper.EngineExecuteCode(template.BodySegment, context);
if (helper.HasErrors)
{
IZeusExecutionError[] errors = helper.Errors;
helper.ClearErrors();
throw new ZeusExecutionException(template, errors, true);
}
}
catch (Exception ex)
{
throw new ZeusRuntimeException(template, ex, true);
}
}
if (template.Type == ZeusConstants.Types.GROUP)
{
if (template.IncludedTemplates.Count > 0)
{
// Execute Template Body
if (templateGroupIds.Contains(template.UniqueID)) return;
templateGroupIds.Add(template.UniqueID);
foreach (ZeusTemplate childTemplate in template.IncludedTemplates)
{
if (childTemplate.UniqueID != template.UniqueID)
{
//clear the output buffer before executing the next template!
context.Output.clear();
//Push the current template onto the Execution stack
if (context is ZeusContext)
{
((ZeusContext)context).TemplateStack.Push(childTemplate);
}
try
{
IZeusScriptingEngine engine = ZeusFactory.GetEngine(childTemplate.BodySegment.Engine);
ExecuteCode(engine.ExecutionHelper, childTemplate, context, templateGroupIds);
}
finally
{
//Pop the current template off of the Execution stack
if (context is ZeusContext)
{
((ZeusContext)context).TemplateStack.Pop();
}
}
}
}
}
}
}
