RadioGroup.java

package com.integreight.onesheeld.shields.controller.utils.glcd;

import android.util.SparseArray;

/**
 * Created by Moustafa Nasr on 7/22/2015.
 */
public class RadioGroup {
    SparseArray<RadioButton> radios;
    int keyCounter = 0;

    public RadioGroup() {
        radios = new SparseArray<RadioButton>();
    }

    public void add(RadioButton radioButton) {
        if (radios.indexOfValue(radioButton) < 0) {
            keyCounter++;
            radios.put(keyCounter, radioButton);
            radioButton.setRadioGroup(this);
        }
    }

    public void remove(RadioButton radioButton) {
        if (radios.indexOfValue(radioButton) >= 0) {
            radios.get(radios.keyAt(radios.indexOfValue(radioButton))).setRadioGroup(null);
            radios.remove(radios.keyAt(radios.indexOfValue(radioButton)));
        }
    }

    public void select(RadioButton radioButton) {
        reset();
        if (radios.indexOfValue(radioButton) >= 0) {
            int key = radios.keyAt(radios.indexOfValue(radioButton));
            if (key > 0)
                radios.get(key).setSelected(true);
        }
    }

    public void reset() {
        for (int radiosCount = 0; radiosCount < radios.size(); radiosCount++) {
            radios.get(radios.keyAt(radiosCount)).setSelected(false);
        }
    }
}