175 lines
6.1 KiB
Java
175 lines
6.1 KiB
Java
/*
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* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.sufficientlysecure.keychain.ui;
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import org.sufficientlysecure.keychain.R;
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import android.content.Intent;
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import android.os.Bundle;
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import android.support.v4.app.FragmentTransaction;
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import android.widget.TextView;
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import com.actionbarsherlock.app.ActionBar;
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import com.actionbarsherlock.app.ActionBar.Tab;
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import com.actionbarsherlock.view.MenuItem;
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import java.util.ArrayList;
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import android.content.Context;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.FragmentPagerAdapter;
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import android.support.v4.view.ViewPager;
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import com.actionbarsherlock.app.SherlockFragmentActivity;
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public class HelpActivity extends SherlockFragmentActivity {
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public static final String EXTRA_SELECTED_TAB = "selectedTab";
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ViewPager mViewPager;
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TabsAdapter mTabsAdapter;
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TextView tabCenter;
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TextView tabText;
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/**
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* Menu Items
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*/
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case android.R.id.home:
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// app icon in Action Bar clicked; go home
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Intent intent = new Intent(this, MainActivity.class);
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intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
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startActivity(intent);
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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mViewPager = new ViewPager(this);
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mViewPager.setId(R.id.pager);
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setContentView(mViewPager);
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ActionBar bar = getSupportActionBar();
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bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
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bar.setDisplayShowTitleEnabled(true);
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bar.setDisplayHomeAsUpEnabled(true);
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mTabsAdapter = new TabsAdapter(this, mViewPager);
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int selectedTab = 0;
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Intent intent = getIntent();
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if (intent.getExtras() != null && intent.getExtras().containsKey(EXTRA_SELECTED_TAB)) {
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selectedTab = intent.getExtras().getInt(EXTRA_SELECTED_TAB);
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}
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Bundle startBundle = new Bundle();
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startBundle.putInt(HelpFragmentHtml.ARG_HTML_FILE, R.raw.help_start);
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mTabsAdapter.addTab(bar.newTab().setText(getString(R.string.help_tab_start)),
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HelpFragmentHtml.class, startBundle, (selectedTab == 0 ? true : false));
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Bundle nfcBundle = new Bundle();
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nfcBundle.putInt(HelpFragmentHtml.ARG_HTML_FILE, R.raw.help_nfc_beam);
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mTabsAdapter.addTab(bar.newTab().setText(getString(R.string.help_tab_nfc_beam)),
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HelpFragmentHtml.class, nfcBundle, (selectedTab == 1 ? true : false));
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Bundle changelogBundle = new Bundle();
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changelogBundle.putInt(HelpFragmentHtml.ARG_HTML_FILE, R.raw.help_changelog);
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mTabsAdapter.addTab(bar.newTab().setText(getString(R.string.help_tab_changelog)),
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HelpFragmentHtml.class, changelogBundle, (selectedTab == 2 ? true : false));
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mTabsAdapter.addTab(bar.newTab().setText(getString(R.string.help_tab_about)),
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HelpFragmentAbout.class, null, (selectedTab == 3 ? true : false));
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}
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public static class TabsAdapter extends FragmentPagerAdapter implements ActionBar.TabListener,
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ViewPager.OnPageChangeListener {
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private final Context mContext;
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private final ActionBar mActionBar;
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private final ViewPager mViewPager;
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private final ArrayList<TabInfo> mTabs = new ArrayList<TabInfo>();
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static final class TabInfo {
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private final Class<?> clss;
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private final Bundle args;
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TabInfo(Class<?> _class, Bundle _args) {
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clss = _class;
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args = _args;
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}
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}
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public TabsAdapter(SherlockFragmentActivity activity, ViewPager pager) {
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super(activity.getSupportFragmentManager());
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mContext = activity;
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mActionBar = activity.getSupportActionBar();
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mViewPager = pager;
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mViewPager.setAdapter(this);
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mViewPager.setOnPageChangeListener(this);
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}
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public void addTab(ActionBar.Tab tab, Class<?> clss, Bundle args, boolean selected) {
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TabInfo info = new TabInfo(clss, args);
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tab.setTag(info);
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tab.setTabListener(this);
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mTabs.add(info);
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mActionBar.addTab(tab, selected);
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notifyDataSetChanged();
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}
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@Override
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public int getCount() {
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return mTabs.size();
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}
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@Override
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public Fragment getItem(int position) {
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TabInfo info = mTabs.get(position);
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return Fragment.instantiate(mContext, info.clss.getName(), info.args);
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}
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public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
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}
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public void onPageSelected(int position) {
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mActionBar.setSelectedNavigationItem(position);
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}
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public void onPageScrollStateChanged(int state) {
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}
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public void onTabSelected(Tab tab, FragmentTransaction ft) {
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Object tag = tab.getTag();
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for (int i = 0; i < mTabs.size(); i++) {
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if (mTabs.get(i) == tag) {
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mViewPager.setCurrentItem(i);
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}
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}
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}
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public void onTabUnselected(Tab tab, FragmentTransaction ft) {
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}
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public void onTabReselected(Tab tab, FragmentTransaction ft) {
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}
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}
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} |