Android Open Source - AndroidFileExplorer File Multi Choice Mode Listener

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License

The source code is released under:

This is free and unencumbered software released into the public domain. Anyone is free to copy, modify, publish, use, compile, sell, or distribute this software, either in source code form or as a co...

Java Source Code

package com.example.androidfileexplorer;
//w w  w  . j av a2s .  c  om
import java.io.File;
import java.util.ArrayList;
import java.util.List;

import android.view.ActionMode;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.AbsListView.MultiChoiceModeListener;

public class FileMultiChoiceModeListener implements MultiChoiceModeListener {
  MainActivity mainActivity;
  MenuItem renameItem;
  List<File> files;
  private final int renameItemId = 0;
  private final int deleteItemId = 1;

  public FileMultiChoiceModeListener(MainActivity context) {
    this.mainActivity = context;
    this.files = new ArrayList<File>();
  }

  @Override
  public void onItemCheckedStateChanged(ActionMode mode, int position,
      long id, boolean checked) {
    File f = (File) mainActivity.listView.getItemAtPosition(position);
    if (checked) {
      if (f.isDirectory()) {
        // should normally make custom drawable for dirs ...
        Util.toolTip(mainActivity, "Cannot select directories");
        mainActivity.listView.setItemChecked(position, false);
      } else {
        files.add(f);
      }
    } else {
      files.remove(f);
    }

    if (files.size() != 1) {
      renameItem.setVisible(false);
    } else {
      renameItem.setVisible(true);
    }
    mode.setTitle(Integer.toString(files.size()) + " "
        + mainActivity.getString(R.string.num_selected));
  }

  @Override
  public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
    // Respond to clicks on the actions in the CAB
    switch (item.getItemId()) {
    case deleteItemId:
      Util.deleteFiles(mainActivity, files);
      mode.finish(); // Action picked, so close the CAB
      return true;
    case renameItemId:
      if (files.size() == 1) {
        Util.renameFile(mainActivity, files.get(0));
      } else {
        Util.toolTip(null, R.string.internal_error);
      }
      mode.finish();
      return true;
    default:
      return false;
    }
  }

  @Override
  public boolean onCreateActionMode(ActionMode mode, Menu menu) {
    renameItem = menu.add(Menu.NONE, renameItemId, Menu.NONE,
        R.string.mv_file);
    menu.add(Menu.NONE, deleteItemId, Menu.NONE, R.string.rm_file);
    return true;
  }

  @Override
  public void onDestroyActionMode(ActionMode mode) {
    this.files = new ArrayList<File>();
    mainActivity.updateDirList();
  }

  @Override
  public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
    return false;
  }
}

Java Source Code List

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