package com.example.najkfirstapp;

import android.app.ActionBar;
import android.app.ActionBar.Tab;
import android.app.FragmentTransaction;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.Toast;

public class MainActivity extends FragmentActivity implements
        ActionBar.TabListener {

	private ViewPager viewPager;
    private ActionBar actionBar;
    private TabPagerAdapter tabPagerAdapter;
    private String[] tabs = { "Kalkyl", "Historik", "Bilder" };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        //Skapar viewpager, tabpageradapter m. fragmentManger samt actionbar
        viewPager = (ViewPager) findViewById(R.id.pager);
        tabPagerAdapter = new TabPagerAdapter(getSupportFragmentManager());
        viewPager.setAdapter(tabPagerAdapter);
        actionBar = getActionBar();
        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
        for (String tab_name : tabs) {actionBar.addTab(actionBar.newTab().setText(tab_name)
                    .setTabListener(this));
        }

        viewPager.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

            //vid swipe:ande så väljs nästa tab

            @Override
            public void onPageSelected(int position) {
                actionBar.setSelectedNavigationItem(position);
            }

            @Override
            public void onPageScrolled(int arg0, float arg1, int arg2) { }

            @Override
            public void onPageScrollStateChanged(int arg0) { }
        });
    }

    @Override
    public void onTabReselected(Tab tab, FragmentTransaction ft) { }

    @Override
    public void onTabSelected(Tab tab, FragmentTransaction ft) {
    	//Pass the position on tab click to ViewPager
        viewPager.setCurrentItem(tab.getPosition());
    }

    @Override
    public void onTabUnselected(Tab tab, FragmentTransaction ft) {}




	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
	    // Inflate the menu items for use in the action bar
	    MenuInflater inflater = getMenuInflater();
	    inflater.inflate(R.menu.main_activity_actions, menu);
	    return super.onCreateOptionsMenu(menu);
	}

	//hanterar vad som händer när man klickar på knapparna i actionbar (search och settings i detta fall)
	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	    switch (item.getItemId()) {
	        case R.id.action_search:
	            openSearch();
	            return true;
	        case R.id.action_settings:
	            openSettings();
	            return true;
	        default:
	            return super.onOptionsItemSelected(item);
	    }
	}

	//vad som visas när man klickar på settings
	private void openSettings() {
		Toast.makeText(getApplicationContext(), "YOU CLICKED SETTINGS", Toast.LENGTH_LONG).show();
	}

	//vad som händer/Visas när man klickar på sök
	private void openSearch() {
		Toast.makeText(getApplicationContext(), "YOU CLICKED SEARCH", Toast.LENGTH_LONG).show();
	}
}