/// <summary>
/// Ensure that a task source for the output pane is created. If it is the first task source output, make it the visible task source output.
/// </summary>
/// <param name="tasksource">Name of the task source.</param>
/// <param name="executingTask">The currently executing task.</param>
/// <param name="executingTask">The executer the currently executing task is running in.</param>
/// <returns>The existing or newly created task source output.</returns>
internal TaskSourceOutput EnsureTaskSourceOutputForExecutingTask(string tasksource, Process executingProcess, Executer executer)
{
bool makeVisible = false;
TaskSourceOutput tso;
if (CurrentTaskSourceOutput == null)
{
makeVisible = true;
}
// Get TaskSource output
tso = GetTaskSourceOutput(tasksource);
if (tso == null)
{
tso = new TaskSourceOutput { TaskSource = tasksource, ExecutingProcess = executingProcess, ProcessExecuter = executer, Output = String.Empty };
_taskSourceOutputs.Add(tso);
}
else
{
tso.ExecutingProcess = executingProcess;
tso.ProcessExecuter = executer;
}
if (makeVisible)
{
CurrentTaskSourceOutput = tso;
WebMatrixContext.OutputPaneInstance.Show(tasksource);
}
return tso;
}
/// <summary>
/// The constructor requires a reference to the process that will be read.
/// The process should have .RedirectStandardOutput and .RedirectStandardError set to true.
/// </summary>
/// <param name="tasksource">Unique name of the executing task.</param>
/// <param name="process">The process that will have its output read by this class.</param>
/// <param name="worker"></param>
public ProcessOutputHandler(string tasksource, Executer executer, System.Diagnostics.Process process)
{
_tasksource = tasksource;
_executer = executer;
_proc = process;
Debug.Assert(_proc.StartInfo.RedirectStandardError,
"RedirectStandardError must be true to use ProcessOutputHandler.");
Debug.Assert(_proc.StartInfo.RedirectStandardOutput,
"RedirectStandardOut must be true to use ProcessOutputHandler.");
}