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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.modelviewer;
import java.io.File;
import java.io.FileFilter;
import java.util.ArrayList;
import java.util.List;
import android.app.ListActivity;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
/**
* A list view where the last item the user clicked is placed in
* the "activated" state, causing its background to highlight.
*/
public class A3DSelector extends ListActivity {
File[] mCurrentSubList;
File mCurrentFile;
class A3DFilter implements FileFilter {
public boolean accept(File file) {
if (file.isDirectory()) {
return true;
}
return file.getName().endsWith(".a3d");
}
}
private void populateList(File file) {
mCurrentFile = file;
setTitle(mCurrentFile.getAbsolutePath() + "/*.a3d");
List<String> names = new ArrayList<String>();
names.add("..");
mCurrentSubList = mCurrentFile.listFiles(new A3DFilter());
if (mCurrentSubList != null) {
for (int i = 0; i < mCurrentSubList.length; i ++) {
String fileName = mCurrentSubList[i].getName();
if (mCurrentSubList[i].isDirectory()) {
fileName = "/" + fileName;
}
names.add(fileName);
}
}
// Use the built-in layout for showing a list item with a single
// line of text whose background is changes when activated.
setListAdapter(new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_activated_1, names));
getListView().setTextFilterEnabled(true);
// Tell the list view to show one checked/activated item at a time.
getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
populateList(new File("/sdcard/"));
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
if (position == 0) {
File parent = mCurrentFile.getParentFile();
if (parent == null) {
return;
}
populateList(parent);
return;
}
// the first thing in list is parent directory
File selectedFile = mCurrentSubList[position - 1];
if (selectedFile.isDirectory()) {
populateList(selectedFile);
return;
}
Intent resultIntent = new Intent();
resultIntent.setData(Uri.fromFile(selectedFile));
setResult(RESULT_OK, resultIntent);
finish();
}
}
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