package nodebox.client.parameter;

import nodebox.client.DraggableNumber;

import nodebox.node.Parameter;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;

import java.awt.*;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.text.NumberFormat;

public class IntControl extends AbstractParameterControl implements ChangeListener, ActionListener {

private DraggableNumber draggable;

public IntControl(Parameter parameter) {

super(parameter);

setLayout(new FlowLayout(FlowLayout.LEADING, 0, 0));

draggable = new DraggableNumber();

draggable.addChangeListener(this);

NumberFormat intFormat = NumberFormat.getNumberInstance();

intFormat.setMinimumFractionDigits(0);

intFormat.setMaximumFractionDigits(0);

draggable.setNumberFormat(intFormat);

// Set bounding

if (parameter.getBoundingMethod() == Parameter.BoundingMethod.HARD) {

Float minimumValue = parameter.getMinimumValue();

if (minimumValue != null)

draggable.setMinimumValue(minimumValue);

Float maximumValue = parameter.getMaximumValue();

if (maximumValue != null)

draggable.setMaximumValue(maximumValue);

}

add(draggable);

setPreferredSize(draggable.getPreferredSize());

setValueForControl(parameter.getValue());

}

@Override

public void setEnabled(boolean enabled) {

super.setEnabled(enabled);

draggable.setEnabled(enabled);

}

public void setValueForControl(Object v) {

int value = (Integer) v;

draggable.setValue(value);

}

public void stateChanged(ChangeEvent e) {

setValueFromControl();

}

public void actionPerformed(ActionEvent e) {

setValueFromControl();

}

private void setValueFromControl() {

double doubleValue = draggable.getValue();

if (parameter.getBoundingMethod() == Parameter.BoundingMethod.HARD) {

if (parameter.getMinimumValue() != null) {

doubleValue = Math.max(parameter.getMinimumValue(), doubleValue);

}

if (parameter.getMaximumValue() != null) {

doubleValue = Math.min(parameter.getMaximumValue(), doubleValue);

}

}

int intValue = (int) doubleValue;

if (intValue != parameter.asInt()) {

setParameterValue(intValue);

}

}

}