Android Open Source - android_device Files Adapter

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The source code is released under:

[Apache License](http://www.apache.org/licenses/): Version 2.0, January 2004 =============== ## TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION ## ### 1. Definitions. ### "License" sha...

Java Source Code

/*
 * =================================================================================================
 *                    Copyright (C) 2014 Martin Albedinsky [Wolf-ITechnologies]
 * =================================================================================================
 *         Licensed under the Apache License, Version 2.0 or later (further "License" only).
 * -------------------------------------------------------------------------------------------------
 * You may use this file only in compliance with the License. More details and copy of this License 
 * you may obtain at//  ww  w  .  ja  va 2 s .c  o  m
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * You can redistribute, modify or publish any part of the code written within this file but as it 
 * is described in the License, the software distributed under the License is distributed on an 
 * "AS IS" BASIS, WITHOUT WARRANTIES or CONDITIONS OF ANY KIND.
 * 
 * See the License for the specific language governing permissions and limitations under the License.
 * =================================================================================================
 */
package com.wit.android.device.examples.adapter;

import android.content.Context;
import android.content.res.Resources;
import android.graphics.Color;
import android.util.SparseIntArray;
import android.view.View;
import android.widget.CheckBox;
import android.widget.TextView;

import com.wit.android.device.examples.R;
import com.wit.android.examples.libs.adapter.ExSimpleAdapter;
import com.wit.android.examples.libs.adapter.ExViewHolder;
import com.wit.android.examples.libs.adapter.annotation.ExItemView;
import com.wit.android.examples.libs.adapter.annotation.ExItemViewHolder;
import com.wit.android.examples.libs.adapter.module.ExAdapterModule;
import com.wit.android.examples.libs.adapter.module.ExSelectionModule;

import java.io.File;

/**
 * todo: description
 *
 * @author Martin Albedinsky
 */
@ExItemView(R.layout.item_list_file)
@ExItemViewHolder(FilesAdapter.Holder.class)
public class FilesAdapter extends ExSimpleAdapter<File> implements ExAdapterModule.ExModuleAdapter {

  /**
   * Log TAG.
   */
  // private static final String TAG = FilesAdapter.class.getSimpleName();

  /**
   *
   */
  public static final int MODE_DEFAULT = 0x00;

  /**
   *
   */
  public static final int MODE_SELECTION = 0x01;

  /**
   *
   */
  final int mFileColor, mDirColor;

  /**
   *
   */
  final ExSelectionModule SELECTOR = new ExSelectionModule();

  /**
   *
   */
  int mMode = MODE_DEFAULT;

  /**
   * @param context
   */
  public FilesAdapter(Context context) {
    super(context);
    SELECTOR.setMode(ExSelectionModule.MODE_MULTIPLE);
    SELECTOR.dispatchAttachToAdapter(this);
    final Resources resources = context.getResources();
    this.mFileColor = Color.WHITE;
    this.mDirColor = resources.getColor(R.color.exAccent);
  }

  /**
   * @param mode
   */
  public void setMode(int mode) {
    if (mMode != mode) {
      switch (mode) {
        case MODE_DEFAULT:
        case MODE_SELECTION:
          if ((mMode = mode) == MODE_DEFAULT) {
            SELECTOR.clearSelection();
          } else {
            notifyDataSetChanged();
          }
      }
    }
  }

  /**
   * @param position
   */
  public void dispatchItemSelected(int position) {
    SELECTOR.toggleSelectionState(position);
  }

  /**
   * @return
   */
  public String[] getSelectedItemPaths() {
    final SparseIntArray selection = SELECTOR.getSelection();
    final String[] paths = new String[selection.size()];
    for (int i = 0; i < selection.size(); i++) {
      paths[i] = getItem(selection.keyAt(i)).getPath();
    }
    return paths;
  }

  /**
   *
   */
  public static final class Holder implements ExViewHolder<File, FilesAdapter> {

    TextView path;

    CheckBox check;

    /**
     */
    @Override
    public void create(int position, View view) {
      this.path = (TextView) view.findViewById(R.id.item_list_file_text_view_path);
      this.check = (CheckBox) view.findViewById(R.id.item_list_file_check_box);
    }

    /**
     */
    @Override
    public void bind(int position, File item, FilesAdapter adapter) {
      path.setText(item.getName());
      switch (adapter.mMode) {
        case MODE_DEFAULT:
          if (check.getVisibility() == View.VISIBLE) {
            check.setVisibility(View.GONE);
          }
          break;
        case MODE_SELECTION:
          if (check.getVisibility() != View.VISIBLE) {
            check.setVisibility(View.VISIBLE);
          }
          check.setChecked(adapter.SELECTOR.isSelected(position));
          break;
      }
      path.setTextColor(item.isDirectory() ? adapter.mDirColor : adapter.mFileColor);
    }
  }
}

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