Android Open Source - hpush Sort Action View Provider

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Back to project page hpush.
License

The source code is released under:
MIT License
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Java Source Code

package com.hpush.views;
/*from   w ww .  j  a  v a  2  s  .  c  o  m*/
import android.content.Context;
import android.support.v4.view.ActionProvider;
import android.support.v7.widget.PopupMenu;
import android.support.v7.widget.PopupMenu.OnDismissListener;
import android.support.v7.widget.PopupMenu.OnMenuItemClickListener;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;

import com.hpush.R;
import com.hpush.bus.SortAllEvent;
import com.hpush.utils.Prefs;

import de.greenrobot.event.EventBus;

/**
 * A popup-menu to sort views.
 *
 * @author Xinyue Zhao
 */
public final class SortActionViewProvider extends ActionProvider implements OnDismissListener, OnMenuItemClickListener {
  /**
   * Layout Id for the provider.
   */
  private static final int LAYOUT = R.layout.action_view_provider_sort;
  /**
   * Menu-resource of the popup.
   */
  private static final int MENU_RES = R.menu.sort;
  /**
   * A {@link android.view.View} for this provider.
   */
  private View mProviderV;
  /**
   * A popup with list of all sort-types.
   */
  private PopupMenu mPopupMenu;
  /**
   * Show/Hidden status of menu.
   */
  private boolean mShow;

  public SortActionViewProvider(Context context) {
    super(context);
    mProviderV = LayoutInflater.from(context).inflate(LAYOUT, null, false);
    mProviderV.setOnClickListener(new OnViewAnimatedClickedListener() {
      @Override
      public void onClick() {
        if (!mShow) {
          mShow = true;
          mPopupMenu.show();
          updateMenuItems(mPopupMenu.getMenu());
        } else {
          mPopupMenu.dismiss();
        }
      }
    });
    mPopupMenu = new PopupMenu(context, mProviderV);
    mPopupMenu.inflate(MENU_RES);
    mPopupMenu.setOnDismissListener(this);mPopupMenu.setOnMenuItemClickListener(this);
    updateMenuItems(mPopupMenu.getMenu());
  }

  @Override
  public View onCreateActionView() {
    return mProviderV;
  }


  @Override
  public void onDismiss(PopupMenu popupMenu) {
    mShow = false;
  }

  /**
   * Update check-status for menu.
   *
   * @param menu
   *     The host of all menu-items.
   */
  private void updateMenuItems(Menu menu) {
    menu.findItem(R.id.action_sort_scores).setChecked(0 == selectedSortTypeValue());
    menu.findItem(R.id.action_sort_arrival).setChecked(1 == selectedSortTypeValue());
    menu.findItem(R.id.action_sort_creation).setChecked(2 == selectedSortTypeValue());
    menu.findItem(R.id.action_sort_comments).setChecked(3 == selectedSortTypeValue());
  }

  /**
   * @return Get current selected sort-type {@code int}
   */
  private int selectedSortTypeValue() {
    String sortTypeValue = Prefs.getInstance(getContext().getApplicationContext()).getSortTypeValue();
    return Integer.valueOf(sortTypeValue);
  }

  @Override
  public boolean onMenuItemClick(MenuItem menuItem) {
    Prefs prefs = Prefs.getInstance(getContext().getApplicationContext());
    switch (menuItem.getItemId()) {
    case R.id.action_sort_scores:
      prefs.setSortTypeValue("0");
    break;
    case R.id.action_sort_arrival:
      prefs.setSortTypeValue("1");
    break;
    case R.id.action_sort_creation:
      prefs.setSortTypeValue("2");
    break;
    case R.id.action_sort_comments:
      prefs.setSortTypeValue("3");
    break;
    }
    updateMenuItems(mPopupMenu.getMenu());
    EventBus.getDefault().post(new SortAllEvent());
    return true;
  }
}
Java Source Code List
