84 lines
2.5 KiB
Java
84 lines
2.5 KiB
Java
package org.sufficientlysecure.keychain.ui.adapter;
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import android.content.Context;
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import android.os.Bundle;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.FragmentStatePagerAdapter;
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import android.support.v4.app.FragmentTransaction;
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import android.support.v4.view.ViewPager;
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import android.support.v7.app.ActionBar;
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import android.support.v7.app.ActionBarActivity;
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import java.util.ArrayList;
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public class TabsAdapter extends FragmentStatePagerAdapter 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(ActionBarActivity 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(ActionBar.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(ActionBar.Tab tab, FragmentTransaction ft) {
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}
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public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
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}
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} |