Android Open Source - U-Mote Add Gesture Shortcut Fragment

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License

The source code is released under:

Apache License

Java Source Code

package com.example.u_mote;
/*from  w  w  w. jav a 2 s. c o m*/
import java.io.File;

import android.app.Activity;
import android.app.ListFragment;
import android.os.Bundle;
import android.view.ContextMenu;
import android.view.LayoutInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ListAdapter;
import android.widget.TextView;

import com.example.u_mote.MainActivity.MainActivityCallbacks;
import com.example.u_mote.MainActivity.NamedGesture;

public class AddGestureShortcutFragment extends ListFragment implements MainActivityCallbacks {
  
  public interface AddShortcutFragmentCallbacks {
    
    void setFragmentCallback(MainActivityCallbacks callbacks);

    void renameGesture(NamedGesture gesture);

    void deleteGesture(NamedGesture gesture);

    ListAdapter getAdapter();

    void loadGestures();

    void editGestureMapping(NamedGesture gesture);
    
  }
  
  private static final String ARG_SECTION_NUMBER = "section_number";
  
  private AddShortcutFragmentCallbacks mCallbacks;
  private TextView mEmpty;
  
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
  }
  
  @Override
  public void onAttach(Activity activity) {
    super.onAttach(activity);
    ((MainActivity) activity).onSectionAttached(getArguments().getInt(ARG_SECTION_NUMBER));
    mCallbacks = (AddShortcutFragmentCallbacks) activity;
    mCallbacks.setFragmentCallback(this);
        setListAdapter(mCallbacks.getAdapter());
  }
  
  @Override
  public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    View rootView = inflater.inflate(R.layout.gestures_list, container, false);
    return rootView;
  }
  
  @Override
  public void onViewCreated(View view, Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    
    registerForContextMenu(getListView());
    mEmpty = (TextView) getActivity().findViewById(android.R.id.empty);
    mCallbacks.loadGestures();
  }
  
  private static final int MENU_ID_RENAME = 1;
  private static final int MENU_ID_EDIT = 2;
    private static final int MENU_ID_REMOVE = 3;
    @Override
    public void onCreateContextMenu(ContextMenu menu, View v,
            ContextMenu.ContextMenuInfo menuInfo) {

        super.onCreateContextMenu(menu, v, menuInfo);

        AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo;
        menu.setHeaderTitle(((TextView) info.targetView).getText());

        menu.add(0, MENU_ID_RENAME, 0, R.string.gestures_rename);
        menu.add(0, MENU_ID_EDIT, 0, R.string.gestures_map);
        menu.add(0, MENU_ID_REMOVE, 0, R.string.gestures_delete);
    }
    
  @Override
    public boolean onContextItemSelected(MenuItem item) {
        final AdapterView.AdapterContextMenuInfo menuInfo = (AdapterView.AdapterContextMenuInfo)
                item.getMenuInfo();
        final NamedGesture gesture = (NamedGesture) menuInfo.targetView.getTag();

        switch (item.getItemId()) {
            case MENU_ID_RENAME:
                mCallbacks.renameGesture(gesture);
                return true;
            case MENU_ID_EDIT:
              mCallbacks.editGestureMapping(gesture);
              return true;
            case MENU_ID_REMOVE:
                mCallbacks.deleteGesture(gesture);
                return true;
        }

        return super.onContextItemSelected(item);
    }

  @Override
  public void disableButtons() {
    View addButton = getActivity().findViewById(R.id.addButton);
    addButton.setEnabled(false);
    View reloadButton = getActivity().findViewById(R.id.reloadButton);
    reloadButton.setEnabled(false);
  }
  
  @Override
  public void enableButtons() {
    View addButton = getActivity().findViewById(R.id.addButton);
    addButton.setEnabled(true);
    View reloadButton = getActivity().findViewById(R.id.reloadButton);
    reloadButton.setEnabled(true);
  }

  @Override
  public void hideListView() {
    getListView().setVisibility(View.GONE);
  }

  @Override
  public void setEmpty() {
    mEmpty.setText(R.string.gestures_empty);
  }

  @Override
  public void setErrorLoading() {
     mEmpty.setVisibility(View.VISIBLE);
         mEmpty.setText(getString(R.string.gestures_error_loading,
             (new File(getActivity().getApplicationContext().getFilesDir(), "gestures")).getAbsolutePath()));
  }
}

Java Source Code List

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