Allowed sharing of common C++ code between RoboRIO and Simulation.

Change-Id: I8bf2bda9df389c13ae0567a62dbf0ca931ceb6f8

wpilibc/wpilibC++/src/Buttons/Trigger.cpp

@@ -0,0 +1,75 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2011. All Rights Reserved.							  */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in $(WIND_BASE)/WPILib.  */
+/*----------------------------------------------------------------------------*/
+
+#include "Buttons/Button.h"
+
+#include "Buttons/HeldButtonScheduler.h"
+#include "Buttons/PressedButtonScheduler.h"
+#include "Buttons/ReleasedButtonScheduler.h"
+#include "Buttons/ToggleButtonScheduler.h"
+#include "Buttons/CancelButtonScheduler.h"
+
+Trigger::Trigger() {
+	m_table = NULL;
+}
+
+bool Trigger::Grab()
+{
+	if (Get())
+		return true;
+	else if (m_table != NULL)
+	{
+		//if (m_table->isConnected())//TODO is connected on button?
+			return m_table->GetBoolean("pressed");
+		/*else
+			return false;*/
+	}
+	else
+		return false;
+}
+
+void Trigger::WhenActive(Command *command)
+{
+	PressedButtonScheduler *pbs = new PressedButtonScheduler(Grab(), this, command);
+	pbs->Start();
+}
+
+void Trigger::WhileActive(Command *command)
+{
+	HeldButtonScheduler *hbs = new HeldButtonScheduler(Grab(), this, command);
+	hbs->Start();
+}
+
+void Trigger::WhenInactive(Command *command)
+{
+	ReleasedButtonScheduler *rbs = new ReleasedButtonScheduler(Grab(), this, command);
+	rbs->Start();
+}
+
+void Trigger::CancelWhenActive(Command *command) {
+	CancelButtonScheduler *cbs = new CancelButtonScheduler(Grab(), this, command);
+	cbs->Start();
+}
+
+void Trigger::ToggleWhenActive(Command *command) {
+	ToggleButtonScheduler *tbs = new ToggleButtonScheduler(Grab(), this, command);
+	tbs->Start();
+}
+
+std::string Trigger::GetSmartDashboardType(){
+	return "Button";
+}
+
+void Trigger::InitTable(ITable* table){
+	m_table = table;
+	if(m_table!=NULL){
+		m_table->PutBoolean("pressed", Get());
+	}
+}
+
+ITable* Trigger::GetTable(){
+	return m_table;
+}