package com.n.sqlitecruddemo;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import android.content.Intent;
import android.database.Cursor;
import android.support.v4.widget.SimpleCursorAdapter;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.TextView;

public class SubjectListActivity extends AppCompatActivity {

   private DBManager mDBManager;

   private ListView mListView;

   private SimpleCursorAdapter mAdaper;

   final String[] from = new String[] { DatabaseHelper._ID,
           DatabaseHelper.SUBJECT, DatabaseHelper.DESC };

   final int[] IDS = new int[] { R.id.id, R.id.title, R.id.desc };

   @Override
   protected void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);

       setContentView(R.layout.fragment_subject_list);

       mDBManager = new DBManager(this);
       mDBManager.open();
       Cursor cursor = mDBManager.fetch();

       mListView = (ListView) findViewById(R.id.subject_list_view);
       mListView.setEmptyView(findViewById(R.id.empty_view));

       mAdaper = new SimpleCursorAdapter(this, R.layout.activity_view_all_subject, cursor, from, IDS, 0);
       mAdaper.notifyDataSetChanged();

       mListView.setAdapter(mAdaper);

       // OnCLickListiner For List Items
       mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
           @Override
           public void onItemClick(AdapterView<?> parent, View view, int position, long viewId) {
               TextView idTextView = (TextView) view.findViewById(R.id.id);
               TextView titleTextView = (TextView) view.findViewById(R.id.title);
               TextView descTextView = (TextView) view.findViewById(R.id.desc);

               String id = idTextView.getText().toString();
               String title = titleTextView.getText().toString();
               String desc = descTextView.getText().toString();

               Intent modify_intent = new Intent(getApplicationContext(), ModifySubjectActivity.class);
               modify_intent.putExtra("name", title);
               modify_intent.putExtra("desc", desc);
               modify_intent.putExtra("id", id);

               startActivity(modify_intent);
           }
       });
   }

   @Override
   public boolean onCreateOptionsMenu(Menu menu) {
       getMenuInflater().inflate(R.menu.main, menu);
       return true;
   }

   @Override
   public boolean onOptionsItemSelected(MenuItem item) {

       int id = item.getItemId();
       if (id == R.id.add_record) {

           Intent add_mem = new Intent(this, AddSubjectsActivity.class);
           startActivity(add_mem);

       }
       return super.onOptionsItemSelected(item);
   }

}