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package net.miz_hi.smileessence.system;
import android.app.Activity;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import net.miz_hi.smileessence.util.UiHandler;
import net.miz_hi.smileessence.view.fragment.NamedFragment;
import net.miz_hi.smileessence.view.fragment.NamedFragmentPagerAdapter;
import net.miz_hi.smileessence.view.fragment.impl.HistoryFragment;
import net.miz_hi.smileessence.view.fragment.impl.HomeFragment;
import net.miz_hi.smileessence.view.fragment.impl.MentionsFragment;
import net.miz_hi.smileessence.view.fragment.impl.PostFragment;
import java.util.ArrayList;
import java.util.List;
public class PageController
{
private static PageController instance;
public static final int PAGE_POST = 0;
private NamedFragmentPagerAdapter adapter;
private ViewPager pager;
private FragmentActivity activity;
public static PageController getInstance()
{
return instance;
}
public static void init(FragmentActivity activity, ViewPager pager)
{
instance = new PageController(activity, pager);
}
private PageController(FragmentActivity activity, ViewPager pager)
{
adapter = new NamedFragmentPagerAdapter(activity.getSupportFragmentManager());
this.activity = activity;
this.pager = pager;
initPages(activity);
}
private void initPages(Activity activity)
{
adapter.add((NamedFragment) Fragment.instantiate(activity, PostFragment.class.getName()));
adapter.add((NamedFragment) Fragment.instantiate(activity, HomeFragment.class.getName()));
adapter.add((NamedFragment) Fragment.instantiate(activity, MentionsFragment.class.getName()));
adapter.add((NamedFragment) Fragment.instantiate(activity, HistoryFragment.class.getName()));
}
public void move(final int index)
{
new UiHandler()
{
@Override
public void run()
{
pager.setCurrentItem(index, true);
}
}.post();
}
public void moveToLast()
{
new UiHandler()
{
@Override
public void run()
{
pager.setCurrentItem(adapter.getCount(), false);
}
}.post();
}
public int getCurrentPage()
{
return instance.pager.getCurrentItem();
}
public void addPage(final NamedFragment fragment)
{
new UiHandler()
{
@Override
public void run()
{
adapter.add(fragment);
}
}.post();
}
public void removePage()
{
new UiHandler()
{
@Override
public void run()
{
int current = instance.pager.getCurrentItem();
adapter.remove(current);
List<NamedFragment> list = new ArrayList<NamedFragment>();
list.addAll(instance.adapter.getList());
instance.adapter = new NamedFragmentPagerAdapter(activity.getSupportFragmentManager(), list); //Refresh page caches
pager.setAdapter(instance.adapter);
pager.setCurrentItem(current);
}
}.post();
}
public NamedFragmentPagerAdapter getAdapter()
{
return adapter;
}
}
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