ActionListener ExpandListener = new ActionListener(){
    @Override
    public void actionPerformed(ActionEvent e) {
        JToggleButton button = (JToggleButton) e.getSource();
        i = (int) button.getClientProperty("number");
        y=0;
        for(int f=0;f<i;f++){
            y += ChapterSize[f];
        }
        if(ExpandButtons[i].isSelected()){
           for(int g=0;g<ChapterSize[i];g++){
           Comments[g+y].setVisible(true);
           }
        }else{
           for(int g=0;g<ChapterSize[i];g++){
           Comments[g+y].setVisible(false);
           }
        Boolean GreenFlag = false;
        Boolean YellowFlag = false;
        Boolean RedFlag = false;
        for(int g=0;g<ChapterSize[i];g++){
                if(!Comments[g+y].getText().isEmpty()){
                    GreenFlag = true;
                    YellowFlag = true;
                }else{
                    GreenFlag = false;
                }
                if(Comments[g+y].getText().isEmpty()){
                    RedFlag = true;
                }else{
                    RedFlag = false;
                }
            }
            if(GreenFlag == true){
                ExpandButtons[i].setBackground(Color.GREEN);
                YellowFlag = false;
            }
            if(RedFlag == true)ExpandButtons[i].setBackground(Color.RED);
            if(YellowFlag == true)ExpandButtons[i].setBackground(Color.YELLOW);
            }
          }
        };