Android Open Source - ingress-key-counter Categories Fragment

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From Project

Back to project page ingress-key-counter.

License

The source code is released under:

MIT License

Java Source Code

package de.lehrbaum.keycounter;
//from w w  w.j a  v a2  s  . c o  m
import java.util.List;

import android.app.ListFragment;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import de.lehrbaum.keycounter.MainActivity.OnTextInputSubmitted;

public class CategoriesFragment extends ListFragment {
  @SuppressWarnings("unused")
  private static final String TAG = CategoriesFragment.class
    .getCanonicalName();
  private ArrayAdapter<Category> adapter;
  
  public CategoriesFragment() {
    super();
  }
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    List<Category> cats = new DatabaseHandler(getActivity())
      .getCategories();
    adapter = new ArrayAdapter<Category>(getActivity(),
      android.R.layout.simple_list_item_1, cats);
    setListAdapter(adapter);
    setHasOptionsMenu(true);
  }
  
  @Override
  public void onViewCreated(View view, Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    registerForContextMenu(getListView());
  }
  
  @Override
  public void onListItemClick(ListView l, View v, int position,
    long id) {
    v.showContextMenu();
  }
  
  @Override
  public void onCreateContextMenu(ContextMenu menu, View v,
    ContextMenuInfo menuInfo) {
    MenuInflater inflater = new MenuInflater(v.getContext());
    inflater.inflate(R.menu.menu_element, menu);
  }
  
  @Override
  public boolean onContextItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.delete:
      AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
        .getMenuInfo();
      Category cat = adapter.getItem(info.position);
      cat.delete(getActivity());
      List<Category> cats = new DatabaseHandler(getActivity())
        .getCategories();
      adapter = new ArrayAdapter<Category>(getActivity(),
        android.R.layout.simple_list_item_1, cats);
      setListAdapter(adapter);
      return true;
    }
    return super.onContextItemSelected(item);
  }
  
  @Override
  public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
    super.onCreateOptionsMenu(menu, inflater);
    inflater.inflate(R.menu.menu_categories, menu);
  }
  
  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
    case R.id.add:
      onAddClicked();
      return true;
    }
    return super.onOptionsItemSelected(item);
  }
  
  private void onAddClicked() {
    OnTextInputSubmitted textListener = new OnTextInputSubmitted() {
      @Override
      public void processInput(String input) {
        new Category(getActivity(), input);
        List<Category> cats = new DatabaseHandler(getActivity())
          .getCategories();
        adapter = new ArrayAdapter<Category>(getActivity(),
          android.R.layout.simple_list_item_1, cats);
        getActivity().runOnUiThread(new Runnable() {
          @Override
          public void run() {
            setListAdapter(adapter);
          }
        });
      }
    };
    MainActivity.showTextInputDialog(getActivity(),
      R.string.newCatTitle, R.string.newCatMessage, textListener);
  }
}

Java Source Code List

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