Rating Filter

Demo

package com.ethos.main.ui.widgets;

import android.content.Context;
import android.graphics.Color;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;

import com.ethos.doers.R;
import com.ethos.main.ui.utils.Logger;

import java.util.ArrayList;

/**
 * Created by cliff on 24/10/2016.
 */

public class Widget_Rating_Filter extends LinearLayout implements View.OnClickListener {

    private ArrayList<ButtonFilter> buttons = new ArrayList<>();
    private ButtonFilter btn_focus;
    private Rate rateListener;
    private int[] btn_id = {R.id.rate1, R.id.rate2, R.id.rate3, R.id.rate4, R.id.rate5};

    public Widget_Rating_Filter(Context context) {
        super(context);
        init();
    }

    public Widget_Rating_Filter(Context context, AttributeSet attrs) {
        super(context, attrs);
        init();
    }

    public Widget_Rating_Filter(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        init();
    }

    private void init() {
        inflate(getContext(), R.layout.view_rating, this);

        for (int aBtn_id : btn_id) {
            ButtonFilter button = new ButtonFilter((Button) findViewById(aBtn_id), false);
            button.getbButton().setOnClickListener(this);
            buttons.add(button);
        }

    }

    public void setRateListener(Rate listener){
        this.rateListener=listener;
    }

    @Override
    public void onClick(View v) {
        Logger.Loge(getClass(), "onClick", "V" + v.getId());
        switch (v.getId()) {
            case R.id.rate1:
                if (buttons.get(0).isEnable()) {
                    changeOfCurrentSelectedButton(null,-1);
                    changeStateOfButtons(buttons.get(0).isEnable(), 0);

                } else {
                    changeOfCurrentSelectedButton(buttons.get(0),0);
                    changeStateOfButtons(buttons.get(0).isEnable(), 0);
                }
                break;

            case R.id.rate2:
                if (buttons.get(1).isEnable()) {
                    changeOfCurrentSelectedButton(null,-1);
                    changeStateOfButtons(buttons.get(1).isEnable(), 1);

                } else {
                    changeOfCurrentSelectedButton(buttons.get(1),1);
                    changeStateOfButtons(buttons.get(1).isEnable(), 1);
                }
                break;
            case R.id.rate3:
                if (buttons.get(2).isEnable()) {
                    changeOfCurrentSelectedButton(null,-1);
                    changeStateOfButtons(buttons.get(2).isEnable(), 2);

                } else {
                    changeOfCurrentSelectedButton(buttons.get(2),2);
                    changeStateOfButtons(buttons.get(2).isEnable(), 2);
                }
                break;
            case R.id.rate4:
                if (buttons.get(3).isEnable()) {
                    changeOfCurrentSelectedButton(null,-1);
                    changeStateOfButtons(buttons.get(3).isEnable(), 3);

                } else {
                    changeOfCurrentSelectedButton(buttons.get(3),3);
                    changeStateOfButtons(buttons.get(3).isEnable(), 3);
                }
                break;
            case R.id.rate5:
                if (buttons.get(4).isEnable()) {
                    changeOfCurrentSelectedButton(null,-1);
                    changeStateOfButtons(buttons.get(4).isEnable(), 4);

                } else {
                    changeOfCurrentSelectedButton(buttons.get(4),4);
                    changeStateOfButtons(buttons.get(4).isEnable(), 4);

                }
                break;
        }
    }

    private void changeOfCurrentSelectedButton(ButtonFilter buttonFilter,int position){
        btn_focus=buttonFilter;
        if(btn_focus==null){
            rateListener.returnSelectedRate(0);
        }else{
            rateListener.returnSelectedRate(position+1);
        }
    }


    private void changeStateOfButtons(boolean enable, int position ) {

        Logger.Loge(getClass(), "changeStateOfButtons", "enable :" + enable + " position :" + position);

        for (int i = 0; i < buttons.size(); i++) {
            Button button = buttons.get(i).getbButton();

            if(i>=position) {
                if (enable) {
                    buttons.get(i).setEnable(!enable);
                    button.setBackgroundColor(Color.GRAY);
                } else {
                    buttons.get(i).setEnable(enable);
                    button.setBackgroundColor(getResources().getColor(R.color.appPrimary));
                }
            }else{
                buttons.get(i).setEnable(!enable);
                button.setBackgroundColor(Color.GRAY);
            }

        }

    }


    class ButtonFilter {
        private Button bButton;
        private boolean isEnable;

        ButtonFilter(Button btn, boolean isEnable) {
            this.bButton = btn;
            this.isEnable = isEnable;
        }

        private Button getbButton() {
            return bButton;
        }

        public void setbButton(Button bButton) {
            this.bButton = bButton;
        }

        private boolean isEnable() {
            return isEnable;
        }

        private void setEnable(boolean enable) {
            isEnable = enable;
        }

    }


   public interface Rate{
       void returnSelectedRate(int filter);
   }
}