package com.example.app_10p5;
  
  import android.os.Bundle;

  import android.app.Fragment;

  import android.text.Editable;

  import android.text.InputFilter;

  import android.text.TextWatcher;

  import android.view.LayoutInflater;
  import android.view.View;
  import android.view.ViewGroup;

  import android.widget.Button;

  import android.widget.EditText;

  import java.util.ArrayList;
  

  /**

   * Created by Jean-loup Beaussart on 24/04/2016.

   */
  

  public class TabFragment1 extends Fragment {
      @Override
      public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

          View v = inflater.inflate(R.layout.tab_fragment_1, container, false);
          EditText et = (EditText) v.findViewById(R.id.commande_prix);

          et.setFilters(new InputFilter[]{new DecimalDigitsInputFilter(3, 2)});
  

          final ArrayList<View> allChildren = getAllChildren(v.findViewById(R.id.commande_table_boutons));
          et.addTextChangedListener(new TextWatcher() {
              @Override
              public void beforeTextChanged(CharSequence s, int start, int count, int after) {
              }
  
              @Override
              public void onTextChanged(CharSequence s, int start, int before, int count) {
  
                  if(s.toString().trim().length() != 0){
                      for (View child : allChildren) {
                          if (child instanceof Button) {
                              Button bouton = (Button) child;
                              bouton.setEnabled(false);
                          }
                      }
                  }
                  else{
                      for (View child : allChildren) {
                          if (child instanceof Button) {
                              Button bouton = (Button) child;
                              bouton.setEnabled(true);
                          }
                      }
                  }
  
              }
  
              @Override
              public void afterTextChanged(Editable s) {
  
              }
          });
  

          return v;

      }

  
      private ArrayList<View> getAllChildren(View v) {
  
          if (!(v instanceof ViewGroup)) {
              ArrayList<View> viewArrayList = new ArrayList<View>();
              viewArrayList.add(v);
              return viewArrayList;
          }
  
          ArrayList<View> result = new ArrayList<View>();
  
          ViewGroup vg = (ViewGroup) v;
          for (int i = 0; i < vg.getChildCount(); i++) {
  
              View child = vg.getChildAt(i);
  
              ArrayList<View> viewArrayList = new ArrayList<View>();
              viewArrayList.add(v);
              viewArrayList.addAll(getAllChildren(child));
  
              result.addAll(viewArrayList);
          }
          return result;
      }

  }