PickFileListFragment.java

package org.openintents.filemanager.lists;

import java.io.File;

import org.openintents.filemanager.FileManagerProvider;
import org.openintents.filemanager.PreferenceActivity;
import org.openintents.filemanager.R;
import org.openintents.filemanager.files.FileHolder;
import org.openintents.filemanager.view.PickBar;
import org.openintents.filemanager.view.PickBar.OnPickRequestedListener;
import org.openintents.intents.FileManagerIntents;

import android.app.Activity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
import android.widget.ViewFlipper;

public class PickFileListFragment extends SimpleFileListFragment{
	private PickBar mPickBar;
	
	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		
		setLongClickMenus(R.menu.context_pick, R.menu.multiselect);
	}
	
	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container,
			Bundle savedInstanceState) {
		return inflater.inflate(R.layout.filelist_pick, null);
	}
	
	@Override
	public void onViewCreated(View view, Bundle savedInstanceState) {
		super.onViewCreated(view, savedInstanceState);
		ViewFlipper modeSelector = (ViewFlipper) view.findViewById(R.id.modeSelector);
		
		// Folder init
		if(getArguments().getBoolean(FileManagerIntents.EXTRA_DIRECTORIES_ONLY)){
			modeSelector.setDisplayedChild(0);
			
			Button button = (Button) view.findViewById(R.id.button);
			button.setOnClickListener(new View.OnClickListener() {
				@Override
				public void onClick(View v) {
					pickFileOrFolder(new File(getPath()), false);
				}
			});
			if(getArguments().containsKey(FileManagerIntents.EXTRA_BUTTON_TEXT)){
				button.setText(getArguments().getString(FileManagerIntents.EXTRA_BUTTON_TEXT));
			}
		}
		// Files init
		else {
			modeSelector.setDisplayedChild(1);
			
			mPickBar = (PickBar) view.findViewById(R.id.pickBar);
			mPickBar.setButtonText(getArguments().getString(FileManagerIntents.EXTRA_BUTTON_TEXT));
			 
			mPickBar.setText(getFilename());
			// TODO make file visible, i.e. scroll to item 
			
			mPickBar.setOnPickRequestedListener(new OnPickRequestedListener() {
				@Override
				public void pickRequested(String filename) {
					if(filename.trim().length() == 0) {
						Toast.makeText(getActivity(), R.string.choose_filename, Toast.LENGTH_SHORT).show();
						return;
					}

					// Pick
					pickFileOrFolder(new File(getPath() + (getPath().endsWith("/") ? "" : "/") + filename), 
							getArguments().getBoolean(FileManagerIntents.EXTRA_IS_GET_CONTENT_INITIATED, false));
				}
			});
			
		}			
	}

	@Override
	public void onListItemClick(ListView l, View v, int position, long id) {
		FileHolder item = (FileHolder) mAdapter.getItem(position);
		
		if(item.getFile().isFile())
			mPickBar.setText(item.getName());
		else
			super.onListItemClick(l, v, position, id);
	}
	
	/**
	 * Act upon picking. 
	 * @param selection A {@link File} representing the user's selection.
	 * @param getContentInitiated Whether the fragment was called through a GET_CONTENT intent on the IntentFilterActivity. We have to know this so that result is correctly formatted.
	 */
	private void pickFileOrFolder(File selection, boolean getContentInitiated){
		Intent intent = new Intent();
		intent.putExtras(getArguments());
		
		PreferenceActivity.setDefaultPickFilePath(getActivity(), selection.getParent() != null ?  selection.getParent() : "/");
		
		if(getContentInitiated)
			intent.setData(Uri.parse(FileManagerProvider.FILE_PROVIDER_PREFIX + selection));
		else
			intent.setData(Uri.fromFile(selection));		
		getActivity().setResult(Activity.RESULT_OK, intent);
		getActivity().finish();
	}
}