Android Open Source - RadaeePDF-B4A P D F Grid View

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License

The source code is released under:

Apache License

Java Source Code

package com.radaee.util;
//from w ww .  j a  v  a 2 s  . co m
import java.io.File;

import android.content.Context;
import android.content.res.Configuration;
import android.util.AttributeSet;
import android.widget.GridView;

public class PDFGridView extends GridView
{
  private PDFGridAdt m_adt;
  private String m_root;
  private String m_cur;
  public PDFGridView(Context context, AttributeSet attrs)
  {
    super(context, attrs);
    m_adt = new PDFGridAdt(context);
    this.setNumColumns(4);
    this.setBackgroundColor(0xFF444444);
    this.setAdapter(m_adt);
  }
  public void PDFSetRootPath(String path)
  {
    m_root = path;
    m_cur = path;
    File root = new File( m_cur );
    if( root.exists() && root.isDirectory() )
      m_adt.set_dir(root, false);
  }
  public void PDFGotoSubdir(String name)
  {
    String new_path = m_cur;
    if( name == ".." )
    {
      int index = m_cur.lastIndexOf('/');
      if( index < 0 ) return;
      new_path = new_path.substring(0, index);
    }
    else
    {
      new_path += "/";
      new_path += name;
    }
    File dir = new File( new_path );
    if( dir.exists() && dir.isDirectory() )
    {
      m_adt.notifyDataSetInvalidated();
      m_cur = new_path;
      m_adt.set_dir(dir, m_cur.compareTo(m_root) != 0);
    }
  }
  public void close()
  {
    m_adt.destroy();
  }
  public String getPath() {
      return m_cur;      
  }
  
  @Override
  public void onConfigurationChanged(Configuration newConfig)
  {
      super.onConfigurationChanged(newConfig);
      if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT)
      {
          setNumColumns(4);
      }
      else if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE)
      {
          setNumColumns(5);
      }
  }
  
  /*protected void onSizeChanged (int w, int h, int oldw, int oldh)
  {
    if( w * 3 > h * 5 )
      this.setNumColumns(5);
    else if( w * 3 < h * 4 )
      this.setNumColumns(4);
    else
      this.setNumColumns(3);
    this.invalidate();
  }*/
}

Java Source Code List

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