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package course.labs.todomanager;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.text.ParseException;
import java.util.Date;
import android.app.ListActivity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
import course.labs.todomanager.ToDoItem.Priority;
import course.labs.todomanager.ToDoItem.Status;
public class ToDoManagerActivity extends ListActivity {
// Add a ToDoItem Request Code
private static final int ADD_TODO_ITEM_REQUEST = 0;
private static final String FILE_NAME = "TodoManagerActivityData.txt";
private static final String TAG = "Lab-UserInterface";
// IDs for menu items
private static final int MENU_DELETE = Menu.FIRST;
private static final int MENU_DUMP = Menu.FIRST + 1;
ToDoListAdapter mAdapter;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Create a new TodoListAdapter for this ListActivity's ListView
mAdapter = new ToDoListAdapter(getApplicationContext());
// Put divider between ToDoItems and FooterView
getListView().setFooterDividersEnabled(true);
TextView footerView = (TextView) getLayoutInflater().inflate(R.layout.footer_view, null);
getListView().addFooterView(footerView);
footerView.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
log("Entered footerView.OnClickListener.onClick()");
Intent intent = new Intent(ToDoManagerActivity.this, AddToDoActivity.class);
startActivityForResult(intent, ADD_TODO_ITEM_REQUEST);
}
});
getListView().setAdapter(mAdapter);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
log("Entered onActivityResult()");
if (requestCode == ADD_TODO_ITEM_REQUEST) {
if (resultCode == RESULT_OK) {
ToDoItem item = new ToDoItem(data);
mAdapter.add(item);
}
}
}
// Do not modify below here
@Override
public void onResume() {
super.onResume();
// Load saved ToDoItems, if necessary
if (mAdapter.getCount() == 0)
loadItems();
}
@Override
protected void onPause() {
super.onPause();
// Save ToDoItems
saveItems();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
menu.add(Menu.NONE, MENU_DELETE, Menu.NONE, "Delete all");
menu.add(Menu.NONE, MENU_DUMP, Menu.NONE, "Dump to log");
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case MENU_DELETE:
mAdapter.clear();
return true;
case MENU_DUMP:
dump();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
private void dump() {
for (int i = 0; i < mAdapter.getCount(); i++) {
String data = ((ToDoItem) mAdapter.getItem(i)).toLog();
log("Item " + i + ": " + data.replace(ToDoItem.ITEM_SEP, ","));
}
}
// Load stored ToDoItems
private void loadItems() {
BufferedReader reader = null;
try {
FileInputStream fis = openFileInput(FILE_NAME);
reader = new BufferedReader(new InputStreamReader(fis));
String title = null;
String priority = null;
String status = null;
Date date = null;
while (null != (title = reader.readLine())) {
priority = reader.readLine();
status = reader.readLine();
date = ToDoItem.FORMAT.parse(reader.readLine());
mAdapter.add(new ToDoItem(title, Priority.valueOf(priority),
Status.valueOf(status), date));
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
} catch (ParseException e) {
e.printStackTrace();
} finally {
if (null != reader) {
try {
reader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
// Save ToDoItems to file
private void saveItems() {
PrintWriter writer = null;
try {
FileOutputStream fos = openFileOutput(FILE_NAME, MODE_PRIVATE);
writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter( fos)));
for (int idx = 0; idx < mAdapter.getCount(); idx++) {
writer.println(mAdapter.getItem(idx));
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (null != writer) {
writer.close();
}
}
}
private void log(String msg) {
try {
Thread.sleep(500);
} catch (InterruptedException e) {
e.printStackTrace();
}
Log.i(TAG, msg);
}
}
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