public void GetTableData(TableCallback callback)
{
if (powerWebPartException != null)
{
return;
}
if (runspace != null)
{
if (functions.ContainsKey(FunctionTableProvider))
{
EnsureChildControls();
try
{
Command cmd = new Command(FunctionTableProvider);
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
Collection <PSObject> results = InvokePipeline(pipe);
if (results.Count > 0)
{
callback.Invoke((ICollection)results);
}
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionTableProvider, ex);
}
}
}
}
public void SetTableConnectionInterface(IWebPartTable provider)
{
if (powerWebPartException != null)
{
return;
}
tableProviderToConsume = provider;
provider.GetTableData(delegate(ICollection table)
{
if (functions.ContainsKey(FunctionTableConsumer))
{
EnsureChildControls();
try
{
Command cmd = new Command(FunctionTableConsumer);
cmd.Parameters.Add(new CommandParameter("collection", table));
cmd.Parameters.Add(new CommandParameter("schema", tableProviderToConsume.Schema));
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionTableConsumer, ex);
}
}
});
}
protected void RefreshIntervalElapsed(object sender, EventArgs e)
{
if (powerWebPartException != null)
{
return;
}
EnsureChildControls();
if (functions.ContainsKey(FunctionRefresh))
{
try
{
Command cmd = new Command(FunctionRefresh);
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionRefresh, ex);
}
}
}
protected void EventDispatcher(object sender, EventArgs args)
{
if (powerWebPartException != null)
{
return;
}
Control ctrl = sender as Control;
if (eventMappingDictionary.ContainsKey(ctrl))
{
try
{
Command cmd = new Command(eventMappingDictionary[ctrl]);
cmd.Parameters.Add(new CommandParameter("sender", sender));
cmd.Parameters.Add(new CommandParameter("args", args));
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException("event dispatcher", ex);
}
}
}
protected override void OnUnload(EventArgs e)
{
if (functions.ContainsKey(FunctionUnload))
{
try
{
Command cmd = new Command(FunctionUnload);
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
}
catch (Exception ex)
{
if (powerWebPartException == null)
{
powerWebPartException = new PowerWebPartException(FunctionUnload, ex);
}
}
}
runspace.Close();
runspace.Dispose();
base.OnUnload(e);
}
protected override void OnPreRender(EventArgs e)
{
if (powerWebPartException != null)
{
return;
}
if (functions.ContainsKey(FunctionBind))
{
try
{
Command cmd = new Command(FunctionBind);
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionBind, ex);
}
}
base.OnPreRender(e);
}
protected override void Render(System.Web.UI.HtmlTextWriter writer)
{
if (powerWebPartException == null)
{
if (functions.ContainsKey(FunctionRender))
{
try
{
Command cmd = new Command(FunctionRender);
cmd.Parameters.Add(new CommandParameter("writer", writer));
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionRender, ex);
}
}
else
{
if (powerWebPartException == null)
{
base.Render(writer);
}
}
}
if (powerWebPartException != null)
{
writer.Write("<h3>Error in " + powerWebPartException.Function + "</h3>");
writer.Write(powerWebPartException.InnerException.Message);
}
}
protected override void CreateChildControls()
{
if (powerWebPartException != null)
{
return;
}
if (functions.ContainsKey(FunctionCreateControls))
{
try
{
Command cmd = new Command(FunctionCreateControls);
cmd.Parameters.Add("controls", Controls);
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionCreateControls, ex);
}
}
base.CreateChildControls();
}
private void Initialize()
{
eventHandlerDelegate = new EventHandler(EventDispatcher);
runspace = RunspaceFactory.CreateRunspace();
runspace.Open();
SPContext ctx = SPContext.Current;
runspace.SessionStateProxy.SetVariable("this", this);
runspace.SessionStateProxy.SetVariable("viewState", this.ViewState);
runspace.SessionStateProxy.SetVariable("spContext", ctx);
runspace.SessionStateProxy.SetVariable("site", ctx.Site);
runspace.SessionStateProxy.SetVariable("web", ctx.Web);
runspace.SessionStateProxy.SetVariable("list", ctx.List);
runspace.SessionStateProxy.SetVariable("item", ctx.Item);
runspace.SessionStateProxy.SetVariable("param1", this.Parameter1);
runspace.SessionStateProxy.SetVariable("param2", this.Parameter2);
runspace.SessionStateProxy.SetVariable("param3", this.Parameter3);
runspace.SessionStateProxy.SetVariable("param4", this.Parameter4);
if (this.Page != null)
{
runspace.SessionStateProxy.SetVariable("isPostBack", this.Page.IsPostBack);
runspace.SessionStateProxy.SetVariable("page", this.Page);
}
if (String.IsNullOrEmpty(Script) == false)
{
try
{
Pipeline pipe = null;
if (!String.IsNullOrEmpty(PredefinedFunctions))
{
pipe = runspace.CreatePipeline(PredefinedFunctions);
InvokePipeline(pipe);
}
if (!String.IsNullOrEmpty(Script))
{
pipe = runspace.CreatePipeline(Script);
InvokePipeline(pipe);
pipe = runspace.CreatePipeline("get-childitem function:\\");
Collection <PSObject> result = InvokePipeline(pipe);
foreach (PSObject obj in result)
{
FunctionInfo func = (FunctionInfo)obj.BaseObject;
functions.Add(func.Name.ToLower(), func);
}
}
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException("Intitialization", ex);
}
}
}
public void RegisterForEvent(Control ctrl, string eventName, string psCallbackFunction)
{
if (powerWebPartException != null)
{
return;
}
try
{
Type ctrlType = ctrl.GetType();
EventInfo eventInfo = ctrlType.GetEvent(eventName);
eventInfo.AddEventHandler(ctrl, eventHandlerDelegate);
eventMappingDictionary.Add(ctrl, psCallbackFunction);
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException("RegisterForEvent", ex);
}
}
protected override void Render(HtmlTextWriter writer)
{
if (powerWebPartException == null)
{
try
{
base.Render(writer);
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionRender, ex);
}
}
if (powerWebPartException != null)
{
if (functions.ContainsKey(FunctionError))
{
try
{
Command cmd = new Command(FunctionError);
cmd.Parameters.Add("exception", powerWebPartException.InnerException);
cmd.Parameters.Add("writer", writer);
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
powerWebPartException = null;
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionError, ex);
}
}
if (powerWebPartException != null)
{
writer.Write("<b>Error on " + powerWebPartException.Function + "</b><br/>");
writer.Write(powerWebPartException.InnerException.Message);
}
}
}
protected override void CreateChildControls()
{
if (powerWebPartException != null)
{
return;
}
try
{
renderControl = new DynamicControl(this);
if (AjaxEnabled)
{
updatePanel = new UpdatePanel();
updatePanel.ID = "updatePanel";
string progressTemplate = runspace.SessionStateProxy.GetVariable(VariableProgressTemplate) as string;
bool progressDynamicLayout = (bool)runspace.SessionStateProxy.GetVariable(VariableProgressDynamicLayout);
int progressDisplayAfter = (int)runspace.SessionStateProxy.GetVariable(VariableProgressDisplayAfter);
int refreshInterval = (int)runspace.SessionStateProxy.GetVariable(VariableRefreshInterval);
if (String.IsNullOrEmpty(progressTemplate) == false)
{
updateProgress = new UpdateProgress();
updateProgress.ID = "updateProgress";
updateProgress.DynamicLayout = progressDynamicLayout;
updateProgress.AssociatedUpdatePanelID = updatePanel.ClientID;
updateProgress.ProgressTemplate = new PowerWebPartProgressTemplate(progressTemplate);
updateProgress.DisplayAfter = progressDisplayAfter;
this.Controls.Add(updateProgress);
}
if (refreshInterval > 0)
{
timer = new Timer();
timer.Interval = refreshInterval;
timer.Tick += new EventHandler <EventArgs>(RefreshIntervalElapsed);
updatePanel.ContentTemplateContainer.Controls.Add(timer);
}
this.Controls.Add(updatePanel);
}
if (functions.ContainsKey(FunctionCreateControls))
{
Command cmd = new Command(FunctionCreateControls);
cmd.Parameters.Add("controls", renderControl.Controls);
Pipeline pipe = runspace.CreatePipeline();
pipe.Commands.Add(cmd);
InvokePipeline(pipe);
}
if (AjaxEnabled)
{
this.updatePanel.ContentTemplateContainer.Controls.Add(renderControl);
}
else
{
this.Controls.Add(renderControl);
}
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException(FunctionCreateControls, ex);
}
base.CreateChildControls();
}
protected void Initialize()
{
runspace = RunspaceFactory.CreateRunspace();
runspace.Open();
eventHandlerDelegate = new EventHandler(EventDispatcher);
SPContext ctx = SPContext.Current;
runspace.SessionStateProxy.SetVariable("this", this);
runspace.SessionStateProxy.SetVariable("viewState", this.ViewState);
runspace.SessionStateProxy.SetVariable("spContext", ctx);
runspace.SessionStateProxy.SetVariable("httpContext", HttpContext.Current);
runspace.SessionStateProxy.SetVariable("site", ctx.Site);
runspace.SessionStateProxy.SetVariable("web", ctx.Web);
runspace.SessionStateProxy.SetVariable("list", ctx.List);
runspace.SessionStateProxy.SetVariable("item", ctx.Item);
runspace.SessionStateProxy.SetVariable(VariableAjaxEnabled, false);
runspace.SessionStateProxy.SetVariable(VariableProgressTemplate, null);
runspace.SessionStateProxy.SetVariable(VariableProgressDynamicLayout, true);
runspace.SessionStateProxy.SetVariable(VariableProgressDisplayAfter, 500);
runspace.SessionStateProxy.SetVariable(VariableRefreshInterval, 0);
runspace.SessionStateProxy.SetVariable("param1", this.Parameter1);
runspace.SessionStateProxy.SetVariable("param2", this.Parameter2);
runspace.SessionStateProxy.SetVariable("param3", this.Parameter3);
runspace.SessionStateProxy.SetVariable("param4", this.Parameter4);
if (this.Page != null)
{
runspace.SessionStateProxy.SetVariable("isPostBack", this.Page.IsPostBack);
runspace.SessionStateProxy.SetVariable("page", this.Page);
}
if (String.IsNullOrEmpty(Script) == false)
{
try
{
Pipeline pipe = null;
if (!String.IsNullOrEmpty(PredefinedFunctions))
{
pipe = runspace.CreatePipeline(PredefinedFunctions);
InvokePipeline(pipe);
}
if (!String.IsNullOrEmpty(Script))
{
pipe = runspace.CreatePipeline(Script);
InvokePipeline(pipe);
pipe = runspace.CreatePipeline("get-childitem function:\\");
Collection <PSObject> result = InvokePipeline(pipe);
foreach (PSObject obj in result)
{
FunctionInfo func = (FunctionInfo)obj.BaseObject;
functions.Add(func.Name.ToLower(), func);
}
}
if (AjaxEnabled && this.Page != null)
{
EnsureScriptManager();
EnsureUpdatePanelFixup();
}
}
catch (Exception ex)
{
powerWebPartException = new PowerWebPartException("Intitialization", ex);
}
}
}
