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package com.kingberry.googlemaptracks.adapter;

import java.util.ArrayList;

import android.app.ActionBar;

import android.app.ActionBar.Tab;

import android.app.ActionBar.TabListener;

import android.app.Activity;

import android.app.Fragment;

import android.app.FragmentTransaction;

import android.content.Context;

import android.os.Bundle;

import android.support.v13.app.FragmentPagerAdapter;

import android.support.v4.view.ViewPager;

import android.support.v4.view.ViewPager.OnPageChangeListener;

public class TabAdapter extends FragmentPagerAdapter implements TabListener, OnPageChangeListener {

private Context mContext;

private ActionBar mActionBar;

private ViewPager mViewPager;

private ArrayList mTabs = new ArrayList();

static final class TableInfo {

private Class> clss;

private Bundle args;

private Fragment mFragment;

TableInfo(Class> _clss, Bundle _args) {

clss = _clss;

args = _args;

}

}

public TabAdapter(Activity activity, ViewPager pager) {

// Need v13 jar package

super(activity.getFragmentManager());

//activity = activity;

mContext = activity.getApplicationContext();

mActionBar = activity.getActionBar();

mViewPager = pager;

mViewPager.setAdapter(this);

mViewPager.setOnPageChangeListener(this);

}

public void addTab(ActionBar.Tab tab, Class> clss, Bundle args) {

TableInfo info = new TableInfo(clss, args);

tab.setTag(info);

tab.setTabListener(this);

mTabs.add(info);

mActionBar.addTab(tab);

this.notifyDataSetChanged();

}

@Override

public void onPageScrollStateChanged(int arg0) {

}

@Override

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

}

@Override

public void onPageSelected(int arg0) {

mActionBar.setSelectedNavigationItem(arg0);

}

@Override

public void onTabSelected(Tab tab, FragmentTransaction ft) {

Object tag = tab.getTag();

for (int i = 0; i < mTabs.size(); i++) {

if (mTabs.get(i) == tag) {

mViewPager.setCurrentItem(i);

}

}

}

@Override

public void onTabUnselected(Tab tab, FragmentTransaction ft) {

// Do nothing

}

@Override

public void onTabReselected(Tab tab, FragmentTransaction ft) {

// DO nothing

}

@Override

public Fragment getItem(int arg0) {

// TableInfo info=mTabs.get(arg0);

Fragment fragment = mTabs.get(arg0).mFragment;

if (fragment == null) {

fragment = Fragment.instantiate(mContext, mTabs.get(arg0).clss.getName(), mTabs.get(arg0).args);

}

return fragment;

}

@Override

public int getCount() {

// TODO Auto-generated method stub

return mTabs.size();

}

}