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/*
* Copyright (C) 2007 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.dumprendertree;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.io.File;
import android.app.AlertDialog;
import android.app.ListActivity;
import android.content.DialogInterface;
import android.view.KeyEvent;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.os.Bundle;
import android.os.Environment;
public abstract class FileList extends ListActivity
{
public boolean onKeyDown(int keyCode, KeyEvent event) {
switch (keyCode)
{
case KeyEvent.KEYCODE_DPAD_LEFT:
if (mPath.length() > mBaseLength) {
File f = new File(mPath);
mFocusFile = f.getName();
mFocusIndex = 0;
f = f.getParentFile();
mPath = f.getPath();
updateList();
return true;
}
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
{
Map map = (Map) getListView().getItemAtPosition(getListView().getSelectedItemPosition());
String path = (String)map.get("path");
if ((new File(path)).isDirectory()) {
mPath = path;
mFocusFile = null;
updateList();
} else {
processFile(path, false);
}
return true;
}
default:
break;
}
return super.onKeyDown(keyCode, event);
}
public void onCreate(Bundle icicle)
{
super.onCreate(icicle);
setupPath();
updateList();
}
protected List getData()
{
List myData = new ArrayList<HashMap>();
File f = new File(mPath);
if (!f.exists()) {
addItem(myData, "!LayoutTests path missing!", "");
return myData;
}
String[] files = f.list();
Arrays.sort(files);
for (int i = 0; i < files.length; i++) {
StringBuilder sb = new StringBuilder(mPath);
sb.append(File.separatorChar);
sb.append(files[i]);
String path = sb.toString();
File c = new File(path);
if (fileFilter(c)) {
if (c.isDirectory()) {
addItem(myData, "<"+files[i]+">", path);
if (mFocusFile != null && mFocusFile.equals(files[i]))
mFocusIndex = myData.size()-1;
}
else
addItem(myData, files[i], path);
}
}
return myData;
}
protected void addItem(List<Map> data, String name, String path)
{
HashMap temp = new HashMap();
temp.put("title", name);
temp.put("path", path);
data.add(temp);
}
protected void onListItemClick(ListView l, View v, int position, long id)
{
Map map = (Map) l.getItemAtPosition(position);
final String path = (String)map.get("path");
if ((new File(path)).isDirectory()) {
final CharSequence[] items = {"Open", "Run"};
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Select an Action");
builder.setSingleChoiceItems(items, -1,
new DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog, int which) {
switch (which) {
case OPEN_DIRECTORY:
dialog.dismiss();
mPath = path;
mFocusFile = null;
updateList();
break;
case RUN_TESTS:
dialog.dismiss();
processDirectory(path, false);
break;
}
}
});
builder.create().show();
} else {
processFile(path, false);
}
}
/*
* This function is called when the user has selected a directory in the
* list and wants to perform an action on it instead of navigating into
* the directory.
*/
abstract void processDirectory(String path, boolean selection);
/*
* This function is called when the user has selected a file in the
* file list. The selected file could be a file or a directory.
* The flag indicates if this was from a selection or not.
*/
abstract void processFile(String filename, boolean selection);
/*
* This function is called when the file list is being built. Return
* true if the file is to be added to the file list.
*/
abstract boolean fileFilter(File f);
protected void updateList() {
setListAdapter(new SimpleAdapter(this,
getData(),
android.R.layout.simple_list_item_1,
new String[] {"title"},
new int[] {android.R.id.text1}));
String title = mPath; //.substring(mBaseLength-11); // show the word LayoutTests
setTitle(title);
getListView().setSelection(mFocusIndex);
}
protected void setupPath() {
mPath = Environment.getExternalStorageDirectory() + "/webkit/layout_tests";
mBaseLength = mPath.length();
}
protected String mPath;
protected int mBaseLength;
protected String mFocusFile;
protected int mFocusIndex;
private final static int OPEN_DIRECTORY = 0;
private final static int RUN_TESTS = 1;
}
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