com.brq.wallet.lt.activity.TabsAdapter.java Source code

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Here is the source code for com.brq.wallet.lt.activity.TabsAdapter.java

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/*
 * Copyright 2013, 2014 Megion Research and Development GmbH
 *
 * Licensed under the Microsoft Reference Source License (MS-RSL)
 *
 * This license governs use of the accompanying software. If you use the software, you accept this license.
 * If you do not accept the license, do not use the software.
 *
 * 1. Definitions
 * The terms "reproduce," "reproduction," and "distribution" have the same meaning here as under U.S. copyright law.
 * "You" means the licensee of the software.
 * "Your company" means the company you worked for when you downloaded the software.
 * "Reference use" means use of the software within your company as a reference, in read only form, for the sole purposes
 * of debugging your products, maintaining your products, or enhancing the interoperability of your products with the
 * software, and specifically excludes the right to distribute the software outside of your company.
 * "Licensed patents" means any Licensor patent claims which read directly on the software as distributed by the Licensor
 * under this license.
 *
 * 2. Grant of Rights
 * (A) Copyright Grant- Subject to the terms of this license, the Licensor grants you a non-transferable, non-exclusive,
 * worldwide, royalty-free copyright license to reproduce the software for reference use.
 * (B) Patent Grant- Subject to the terms of this license, the Licensor grants you a non-transferable, non-exclusive,
 * worldwide, royalty-free patent license under licensed patents for reference use.
 *
 * 3. Limitations
 * (A) No Trademark License- This license does not grant you any rights to use the Licensors name, logo, or trademarks.
 * (B) If you begin patent litigation against the Licensor over patents that you think may apply to the software
 * (including a cross-claim or counterclaim in a lawsuit), your license to the software ends automatically.
 * (C) The software is licensed "as-is." You bear the risk of using it. The Licensor gives no express warranties,
 * guarantees or conditions. You may have additional consumer rights under your local laws which this license cannot
 * change. To the extent permitted under your local laws, the Licensor excludes the implied warranties of merchantability,
 * fitness for a particular purpose and non-infringement.
 */

package com.brq.wallet.lt.activity;

import java.util.ArrayList;

import android.app.Activity;
import android.os.Bundle;
import android.support.v4.app.ActivityCompat;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentPagerAdapter;
import android.support.v4.app.FragmentTransaction;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;

public class TabsAdapter extends FragmentPagerAdapter
        implements ActionBar.TabListener, ViewPager.OnPageChangeListener {
    private final Activity mContext;
    private final ActionBar mActionBar;
    private final ViewPager mViewPager;
    private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();

    static final class TabInfo {
        private final Class<?> clss;
        private final Bundle args;
        public final int index;

        TabInfo(Class<?> _class, Bundle _args, int index) {
            clss = _class;
            args = _args;
            this.index = index;
        }
    }

    public TabsAdapter(ActionBarActivity activity, ViewPager pager) {
        super(activity.getSupportFragmentManager());
        mContext = activity;
        mActionBar = activity.getSupportActionBar();
        mViewPager = pager;
        mViewPager.setAdapter(this);
        mViewPager.setOnPageChangeListener(this);
    }

    public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args) {
        TabInfo info = new TabInfo(clss, args, mTabs.size());
        tab.setTag(info);
        tab.setTabListener(this);
        mTabs.add(info);
        mActionBar.addTab(tab);
        notifyDataSetChanged();
    }

    @Override
    public int getCount() {
        return mTabs.size();
    }

    @Override
    public Fragment getItem(int position) {
        TabInfo info = mTabs.get(position);
        return Fragment.instantiate(mContext, info.clss.getName(), info.args);
    }

    @Override
    public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
    }

    @Override
    public void onPageSelected(int position) {
        mActionBar.setSelectedNavigationItem(position);
        // redraw menu - not working yet
        ActivityCompat.invalidateOptionsMenu(mContext);
    }

    @Override
    public void onPageScrollStateChanged(int state) {
    }

    @Override
    public void onTabSelected(ActionBar.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(ActionBar.Tab tab, FragmentTransaction ft) {
    }

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