public void WaterLevelChange(int amount){
int lastLevel = CurrentLevel;
CurrentLevel += amount;
_rising = (CurrentLevel >= lastLevel);
switch(_mode){
case Mode.HighLevelIndicator :
if(_rising){
if(CurrentLevel >= SetPoint){
WaterLevelEventArgs args = new WaterLevelEventArgs(CurrentLevel);
OnFull(args);
}else{
WaterLevelEventArgs args = new WaterLevelEventArgs(CurrentLevel);
OnFill(args);
}
}
break;
case Mode.LowLevelIndicator :
if(!_rising){
if(CurrentLevel <= SetPoint){
WaterLevelEventArgs args = new WaterLevelEventArgs(CurrentLevel);
OnEmpty(args);
}else{
WaterLevelEventArgs args = new WaterLevelEventArgs(CurrentLevel);
OnDrain(args);
}
}
break;
} // end switch
}
public void DrainTankEventHandler(WaterLevelEventArgs e)
{
Console.Write("DrainTankEventHandler: ");
Console.WriteLine("The water tank contains " + e.WaterLevel + " gallons!");
_itsTank.ChangeWaterLevel(-_pumpingCapacity);
}
public void FillTankEventHandler(WaterLevelEventArgs e)
{
Console.Write("FillTankEventHandler: ");
Console.WriteLine("The water tank contains " + e.WaterLevel + " gallons!");
}
public void EmptyTankEventHandler(WaterLevelEventArgs e)
{
Console.Write("EmptyTankEventHandler: ");
Console.WriteLine("Water tank has been drained! The water tank contains " + e.WaterLevel + " gallons!");
}
public void FullTankEventHandler(WaterLevelEventArgs e)
{
Console.WriteLine("FullTankEventHandler: Draining the water tank!");
_itsTank.ChangeWaterLevel(-_pumpingCapacity);
}
public void OnDrain(WaterLevelEventArgs e){
if(Drain != null){
Drain(e);
}
}
public void OnFill(WaterLevelEventArgs e){
if(Fill != null){
Fill(e);
}
}
public void OnEmpty(WaterLevelEventArgs e){
if(Empty != null){
Empty(e);
}
}
