Modify an existing MT4 indicator

1.       When MACD filter is selected and the histogram is above 0, only buy arrows will be displayed by the indicator. When the histogram is below 0, only sell signals will be displayed by the indicator. There should be an option to adjust MACD settings in the indicator.

2.       When the Parabolic SAR filter is selected, (default setting:  Step: 0.01, Maximum 0.02), when price is below the indicator only sell signals should be displayed. When price is above the indicator, only buy signals should be displayed. There should be an option to adjust the Parabolic SAR settings in the indicator

3.       The indicator should have 3 moving average filters. When prices are below the moving average, only sell signals should be displayed. If rice is above the moving average, only buy trades should be displayed. When the small moving average crosses above the bigger moving average, only buy trades should be displayed, when the smaller moving average crosses below the bigger one, only sell signals should be displayed. If there is a third bigger moving average above the two, the indicator should be have accordingly.

4.       The indicator should allow for a combination of the filters to be selected and the signals displayed should reflect what those filters are saying.

5.       The indicator should have a number of bars to process. The default number should be 5000 bars. This can be changed.

6.       The indicator should display signals at the close of the bar and should be non-repainting.