Android Open Source - filemanager View Traverser

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License

The source code is released under:

MIT License

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Java Source Code

/*******************************************************************************
 * Copyright (c) 2014 Michal Dabski// w w  w.j a v  a 2 s  . c  om
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 ******************************************************************************/
package com.michaldabski.utils;

import android.view.View;
import android.view.ViewGroup;

/***
 * Traverse layout tree one view at a time
 * @author Michal
 *
 */
public class ViewTraverser
{
  public interface ForeachAction<T>
  {
    void onElement(T element);
  }
  
  private final View root;
  
  public ViewTraverser(View root)
  {
    this.root = root;
  }
  
  public void traverse(ForeachAction<View> foreach)
  {
    traverse(root, foreach);
  }
  
  protected void traverse(View root, ForeachAction<View> foreach)
  {
    foreach.onElement(root);
    if (root instanceof ViewGroup)
    {
      ViewGroup viewGroup = (ViewGroup) root;
      for (int i = 0; i < viewGroup.getChildCount(); i++)
      {
        traverse(viewGroup.getChildAt(i), foreach);
      }
    }
  }
}

Java Source Code List