package com.android.zpl;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.view.Window;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;

import ZPL.ZPLPrinterHelper;


public class Activity_PRNFile extends Activity 
{
	private  ListView listV = null;
	private List<File> list = null;
	private int a[] = {R.drawable.icon_folder,R.drawable.icon_prn,R.drawable.icon_file_image};
	private ArrayList<HashMap<String, Object>> recordItem;
	private static final String PREFS_NAME = "MyPrefsFile"; 
	private String FileFilterList="prn,";	
	private File FolderPath;	
	private Context thisCon;
	
	public void onCreate(Bundle savedInstanceState) 
	{
		super.onCreate(savedInstanceState);
		requestWindowFeature(Window.FEATURE_NO_TITLE);
		setContentView(R.layout.activity_prn_file);
		
		listV = (ListView)findViewById(R.id.list);	 
		
		Intent iFilePath = getIntent();
		FolderPath=new File(iFilePath.getStringExtra("Folder"));	
		FileFilterList=iFilePath.getStringExtra("FileFilter");
		list_files();		
	}
	
	@Override  
  	protected void onActivityResult(int requestCode, int resultCode, Intent data)  
  	{  
  		try
  		{  		  			
	  		switch(resultCode)
	  		{
	  			case ZPLPrinterHelper.ACTIVITY_IMAGE_FILE:
					setResult(ZPLPrinterHelper.ACTIVITY_IMAGE_FILE, data);
	  				this.finish();
	  			case ZPLPrinterHelper.ACTIVITY_PRNFILE:
	  				setResult(ZPLPrinterHelper.ACTIVITY_PRNFILE, data);
	  				this.finish();	  			
	  		}
  		}
  		catch(Exception e)
  		{
  			Log.d("HPRTSDKSample", (new StringBuilder("Activity_PRNFile --> onActivityResult ")).append(e.getMessage()).toString());
  		}
  	}
	
	private void list_files()
	{		
		File[] file = FolderPath.listFiles();
		fill(file);		
	}
	
	private void fill(File[] file)
	{
		SimpleAdapter adapter = null;
		recordItem = new ArrayList<HashMap<String, Object>>();
		list = new ArrayList<File>();
		
		List<String> fDir = new ArrayList<String>();
		List<String> fDirPath = new ArrayList<String>();
		List<String> fFile = new ArrayList<String>();
		List<String> fFilePath = new ArrayList<String>();
		List<String> fAllFile = new ArrayList<String>();
		List<String> fAllFilePath = new ArrayList<String>();
		for(File f: file)
		{
			if(f.isDirectory())
			{
				if(!f.getName().substring(0,1).equals("."))
				{
					fDir.add(f.getName());
					fDirPath.add(f.getAbsolutePath());
				}
			}
			else
			{				
				if(!f.getName().substring(0,1).equals("."))
				{
					fFile.add(f.getName());
					fFilePath.add(f.getAbsolutePath());
				}
			}
		}
		Collections.sort(fDir,String.CASE_INSENSITIVE_ORDER);  //���� 
		Collections.sort(fDirPath,String.CASE_INSENSITIVE_ORDER); 
		Collections.sort(fFile,String.CASE_INSENSITIVE_ORDER);  //���� 
		Collections.sort(fFilePath,String.CASE_INSENSITIVE_ORDER); 
		for(int i=0;i<fDir.size();i++)
		{
			fAllFile.add(fDir.get(i));
			fAllFilePath.add(fDirPath.get(i));
		}
		for(int i=0;i<fFile.size();i++)
		{
			fAllFile.add(fFile.get(i));
			fAllFilePath.add(fFilePath.get(i));
		}
				
		File fileTemp=null;
		int intFileType=0;		
		String strFilePrefix="";
		String strFileName="";
		for(int i=0;i<fAllFile.size();i++)
		{						
			fileTemp=new File(fAllFilePath.get(i));			
			strFileName=fileTemp.getName();
			strFilePrefix=strFileName.substring(strFileName.lastIndexOf(".")+1);  
			if (!fileTemp.isDirectory() && (!FileFilterList.equals("") && !FileFilterList.contains(strFilePrefix+",")))
				continue;
			
			intFileType=Invalid(fileTemp);			
			if(intFileType == -1)
			{
				list.add(fileTemp);
				HashMap<String, Object> map = new HashMap<String, Object>();
				map.put("picture", a[0]);
				map.put("name", strFileName);
				recordItem.add(map);
			}
			if(intFileType == 0)
			{
				list.add(fileTemp);
				HashMap<String, Object> map = new HashMap<String, Object>();
				map.put("picture", a[1]);
				map.put("name", strFileName);
				recordItem.add(map);
			}	
			if(intFileType == 1)
			{
				list.add(fileTemp);
				HashMap<String, Object> map = new HashMap<String, Object>();
				map.put("picture", a[2]);
				map.put("name", strFileName);
				recordItem.add(map);
			}	
		}		
		
		if(list.size()==0)
		{
			HashMap<String, Object> map = new HashMap<String, Object>();
			map.put("picture", a[0]);
			map.put("name", "...");
			recordItem.add(map);			
		}
			    
		adapter = new SimpleAdapter(this, recordItem, R.layout.file_item_bar, new String[]{"picture", "name"}, new int[]{R.id.picture, R.id.text});
		listV.setAdapter(adapter);
		listV.setOnItemClickListener(new Clicker());
	}

	//�ļ���չ��
	private int Invalid(File f)
	{
		String strFilePrefix="";
		String strFileName="";
		strFileName=f.getName();
		strFilePrefix=strFileName.substring(strFileName.lastIndexOf(".")+1);  

		String strType0="prn,";
		String strType1="gif,png,jpg,bmp,";
		
		if(strType0.contains(strFilePrefix.toLowerCase()+","))
		{
			return 0;
		}
		else if(strType1.contains(strFilePrefix.toLowerCase()+","))
		{
			return 1;
		}
		else
		{
			return -1;
		}		
	}
	
	private class Clicker implements OnItemClickListener
	{		
		public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,long arg3) 
		{				
			if(list.size()==0)
				finish();
			else
			{			
				File file = list.get(arg2);
				if(file.isFile())
				{
					int ResultType=(Invalid(file)==0?ZPLPrinterHelper.ACTIVITY_PRNFILE:ZPLPrinterHelper.ACTIVITY_IMAGE_FILE);
					
					Intent myIntent = new Intent();		
					myIntent.setClass(Activity_PRNFile.this, Activity_PRNFile.class);					
					myIntent.putExtra("FilePath", file.getAbsolutePath());	
					setResult(ResultType, myIntent);
					finish();
				}
				else
				{				
					Intent myIntent = new Intent();		
					myIntent.setClass(Activity_PRNFile.this, Activity_PRNFile.class);
					myIntent.putExtra("Folder", file.getAbsolutePath());	
					myIntent.putExtra("FileFilter", FileFilterList);	
			    	startActivityFromChild(Activity_PRNFile.this, myIntent, 10);				
				}
			}
		}
	}		
}

