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/*
* Copyright (C) 2012-2013 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.ui;
import java.util.ArrayList;
import org.sufficientlysecure.keychain.R;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
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;
import android.widget.TextView;
public class HelpActivity extends ActionBarActivity {
public static final String EXTRA_SELECTED_TAB = "selectedTab";
ViewPager mViewPager;
TabsAdapter mTabsAdapter;
TextView tabCenter;
TextView tabText;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.help_activity);
mViewPager = (ViewPager) findViewById(R.id.pager);
final ActionBar actionBar = getSupportActionBar();
actionBar.setDisplayShowTitleEnabled(true);
actionBar.setDisplayHomeAsUpEnabled(false);
actionBar.setHomeButtonEnabled(false);
actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
mTabsAdapter = new TabsAdapter(this, mViewPager);
int selectedTab = 0;
Intent intent = getIntent();
if (intent.getExtras() != null && intent.getExtras().containsKey(EXTRA_SELECTED_TAB)) {
selectedTab = intent.getExtras().getInt(EXTRA_SELECTED_TAB);
}
Bundle startBundle = new Bundle();
startBundle.putInt(HelpFragmentHtml.ARG_HTML_FILE, R.raw.help_start);
mTabsAdapter.addTab(actionBar.newTab().setText(getString(R.string.help_tab_start)),
HelpFragmentHtml.class, startBundle, (selectedTab == 0 ? true : false));
Bundle nfcBundle = new Bundle();
nfcBundle.putInt(HelpFragmentHtml.ARG_HTML_FILE, R.raw.help_nfc_beam);
mTabsAdapter.addTab(actionBar.newTab().setText(getString(R.string.help_tab_nfc_beam)),
HelpFragmentHtml.class, nfcBundle, (selectedTab == 1 ? true : false));
Bundle changelogBundle = new Bundle();
changelogBundle.putInt(HelpFragmentHtml.ARG_HTML_FILE, R.raw.help_changelog);
mTabsAdapter.addTab(actionBar.newTab().setText(getString(R.string.help_tab_changelog)),
HelpFragmentHtml.class, changelogBundle, (selectedTab == 2 ? true : false));
mTabsAdapter.addTab(actionBar.newTab().setText(getString(R.string.help_tab_about)),
HelpFragmentAbout.class, null, (selectedTab == 3 ? true : false));
}
public static class TabsAdapter extends FragmentPagerAdapter implements ActionBar.TabListener,
ViewPager.OnPageChangeListener {
private final Context 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;
TabInfo(Class<?> _class, Bundle _args) {
clss = _class;
args = _args;
}
}
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, boolean selected) {
TabInfo info = new TabInfo(clss, args);
tab.setTag(info);
tab.setTabListener(this);
mTabs.add(info);
mActionBar.addTab(tab, selected);
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);
}
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
}
public void onPageSelected(int position) {
mActionBar.setSelectedNavigationItem(position);
}
public void onPageScrollStateChanged(int state) {
}
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);
}
}
}
public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {
}
public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
}
}
}
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