Java tutorial
/* * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) * * 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.songcode.materialnotes.ui; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.appwidget.AppWidgetManager; import android.content.AsyncQueryHandler; import android.content.ContentResolver; import android.content.ContentValues; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.database.Cursor; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.preference.PreferenceManager; import android.support.v4.app.ActivityCompat; import android.support.v4.app.ActivityOptionsCompat; import android.support.v4.util.Pair; import android.support.v4.view.ViewCompat; import android.support.v4.widget.DrawerLayout; import android.support.v7.app.ActionBarActivity; import android.support.v7.app.ActionBarDrawerToggle; import android.support.v7.widget.Toolbar; import android.text.Editable; import android.text.TextUtils; import android.text.TextWatcher; import android.util.Log; import android.view.ActionMode; import android.view.ContextMenu; import android.view.ContextMenu.ContextMenuInfo; import android.view.Display; import android.view.HapticFeedbackConstants; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.MenuItem.OnMenuItemClickListener; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnCreateContextMenuListener; import android.view.View.OnTouchListener; import android.view.animation.AnimationUtils; import android.view.inputmethod.InputMethodManager; import android.widget.AbsListView; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.AdapterView.OnItemLongClickListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import android.widget.PopupMenu; import android.widget.TextView; import android.widget.Toast; import com.github.clans.fab.FloatingActionButton; import com.songcode.materialnotes.R; import com.songcode.materialnotes.data.Notes; import com.songcode.materialnotes.data.Notes.NoteColumns; import com.songcode.materialnotes.gtask.remote.GTaskSyncService; import com.songcode.materialnotes.model.WorkingNote; import com.songcode.materialnotes.tool.BackupUtils; import com.songcode.materialnotes.tool.BitmapUtil; import com.songcode.materialnotes.tool.DataUtils; import com.songcode.materialnotes.tool.ResourceParser; import com.songcode.materialnotes.tool.TransitionHelper; import com.songcode.materialnotes.ui.NotesListAdapter.AppWidgetAttribute; import com.songcode.materialnotes.widget.NoteWidgetProvider_2x; import com.songcode.materialnotes.widget.NoteWidgetProvider_4x; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.HashSet; public class NotesListActivity extends TransitionHelper.BaseActivity implements OnClickListener, OnItemLongClickListener { private int mPreviousVisibleItem; private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0; private static final int FOLDER_LIST_QUERY_TOKEN = 1; private static final int MENU_FOLDER_DELETE = 0; private static final int MENU_FOLDER_VIEW = 1; private static final int MENU_FOLDER_CHANGE_NAME = 2; private static final String PREFERENCE_ADD_INTRODUCTION = "net.micode.notes.introduction"; private enum ListEditState { NOTE_LIST, SUB_FOLDER, CALL_RECORD_FOLDER } ; private ListEditState mState; private BackgroundQueryHandler mBackgroundQueryHandler; private NotesListAdapter mNotesListAdapter; private DrawerLayout mDrawerLayout; private View mNavigationLayout; private ListView mNavigationListView; //? listview private ListView mNotesListView; private Toolbar mToolbar; private android.support.v7.app.ActionBar mActionBar; private FloatingActionButton mAddNewNote; private boolean mDispatch; private int mOriginY; private int mDispatchY; private TextView mTitleBar; private long mCurrentFolderId; private ContentResolver mContentResolver; private ModeCallback mModeCallBack; private static final String TAG = "NotesListActivity"; public static final int NOTES_LISTVIEW_SCROLL_RATE = 30; private NoteItemData mFocusNoteDataItem; private static final String NORMAL_SELECTION = NoteColumns.PARENT_ID + "=?"; private static final String ROOT_FOLDER_SELECTION = "(" + NoteColumns.TYPE + "<>" + Notes.TYPE_SYSTEM + " AND " + NoteColumns.PARENT_ID + "=?)" + " OR (" + NoteColumns.ID + "=" + Notes.ID_CALL_RECORD_FOLDER + " AND " + NoteColumns.NOTES_COUNT + ">0)"; private final static int REQUEST_CODE_OPEN_NODE = 102; private final static int REQUEST_CODE_NEW_NODE = 103; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.note_list); initResources(); /** * Insert an introduction when user firstly use this application */ setAppInfoFromRawRes(); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (resultCode == RESULT_OK && (requestCode == REQUEST_CODE_OPEN_NODE || requestCode == REQUEST_CODE_NEW_NODE)) { mNotesListAdapter.changeCursor(null); } else { super.onActivityResult(requestCode, resultCode, data); } } private void setAppInfoFromRawRes() { SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this); if (!sp.getBoolean(PREFERENCE_ADD_INTRODUCTION, false)) { StringBuilder sb = new StringBuilder(); InputStream in = null; try { in = getResources().openRawResource(R.raw.introduction); if (in != null) { InputStreamReader isr = new InputStreamReader(in); BufferedReader br = new BufferedReader(isr); char[] buf = new char[1024]; int len = 0; while ((len = br.read(buf)) > 0) { sb.append(buf, 0, len); } } else { Log.e(TAG, "Read introduction file error"); return; } } catch (IOException e) { e.printStackTrace(); return; } finally { if (in != null) { try { in.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } WorkingNote note = WorkingNote.createEmptyNote(this, Notes.ID_ROOT_FOLDER, AppWidgetManager.INVALID_APPWIDGET_ID, Notes.TYPE_WIDGET_INVALIDE, ResourceParser.RED); note.setWorkingText(sb.toString()); if (note.saveNote()) { sp.edit().putBoolean(PREFERENCE_ADD_INTRODUCTION, true).commit(); } else { Log.e(TAG, "Save introduction note error"); return; } } } @Override protected void onStart() { super.onStart(); startAsyncNotesListQuery(); } private void initResources() { mContentResolver = this.getContentResolver(); mBackgroundQueryHandler = new BackgroundQueryHandler(this.getContentResolver()); mCurrentFolderId = Notes.ID_ROOT_FOLDER; //drawerlayout initDrawerLayout(); //toolbar mToolbar = (Toolbar) findViewById(R.id.toolbar); setSupportActionBar(mToolbar); mActionBar = getSupportActionBar(); mActionBar.setDisplayHomeAsUpEnabled(true); mActionBar.setTitle(getResources().getString(R.string.app_name)); ActionBarDrawerToggle actionBarDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, mToolbar, R.string.app_name, R.string.app_name); actionBarDrawerToggle.syncState(); mDrawerLayout.setDrawerListener(actionBarDrawerToggle); //listview mNotesListView = (ListView) findViewById(R.id.notes_list); mNotesListView.addFooterView(LayoutInflater.from(this).inflate(R.layout.note_list_footer, null), null, false); mNotesListView.setOnItemClickListener(new OnListItemClickListener()); mNotesListView.setOnItemLongClickListener(this); mNotesListAdapter = new NotesListAdapter(this); mNotesListView.setAdapter(mNotesListAdapter); //add new note btn mAddNewNote = (FloatingActionButton) findViewById(R.id.btn_new_note); mAddNewNote.setOnClickListener(this); mAddNewNote.setShowAnimation(AnimationUtils.loadAnimation(this, R.anim.show_from_bottom)); mAddNewNote.setHideAnimation(AnimationUtils.loadAnimation(this, R.anim.hide_to_bottom)); new Handler().postDelayed(new Runnable() { @Override public void run() { mAddNewNote.show(true); } }, ANIM_DURATION); mNotesListView.setOnScrollListener(new AbsListView.OnScrollListener() { @Override public void onScrollStateChanged(AbsListView view, int scrollState) { } @Override public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) { if (firstVisibleItem > mPreviousVisibleItem) { mAddNewNote.hide(true); } else if (firstVisibleItem < mPreviousVisibleItem) { mAddNewNote.show(true); } mPreviousVisibleItem = firstVisibleItem; } }); mDispatch = false; mDispatchY = 0; mOriginY = 0; mTitleBar = (TextView) findViewById(R.id.tv_title_bar); mState = ListEditState.NOTE_LIST; updateDrawerWithState(mState); mModeCallBack = new ModeCallback(); } private void initDrawerLayout() { mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout); mNavigationLayout = findViewById(R.id.navigation_drawer_layout); mNavigationListView = (ListView) findViewById(R.id.navigation_drawer_items_list_view); } private void updateDrawerWithState(ListEditState state) { if (mNavigationListView == null) { Log.e(TAG, "mNavigationListView == null"); return; } String[] itemsStrings = null; final String createNewStr = getString(R.string.notelist_menu_new); final String createFolderStr = getString(R.string.menu_create_folder); final String exportTextStr = getString(R.string.menu_export_text); final String syncStr = getString(R.string.menu_sync); final String cancelSyncStr = getString(R.string.menu_sync_cancel); final String syncStateStr = GTaskSyncService.isSyncing() ? cancelSyncStr : syncStr; final String searchStr = getString(R.string.menu_search); final String setStr = getString(R.string.menu_setting); if (state == ListEditState.NOTE_LIST) { itemsStrings = new String[] { createNewStr, createFolderStr, exportTextStr, syncStateStr, searchStr, setStr }; } else if (state == ListEditState.SUB_FOLDER) { itemsStrings = new String[] { createNewStr }; } else if (state == ListEditState.CALL_RECORD_FOLDER) { itemsStrings = new String[] { searchStr }; } else { Log.e(TAG, "Wrong state:" + mState); } final ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_list_item_activated_1, android.R.id.text1, itemsStrings); mNavigationListView.setAdapter(arrayAdapter); mNavigationListView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { String curItemStr = arrayAdapter.getItem(position); if (createNewStr.equals(curItemStr)) { createNewNote(); } else if (createFolderStr.equals(curItemStr)) { showCreateOrModifyFolderDialog(true); } else if (exportTextStr.equals(curItemStr)) { exportNoteToText(); } else if (syncStr.equals(curItemStr) || cancelSyncStr.equals(curItemStr)) { if (isSyncMode()) { //TODO:??? if (TextUtils.equals(curItemStr, syncStr)) { GTaskSyncService.startSync(NotesListActivity.this); } else { GTaskSyncService.cancelSync(NotesListActivity.this); } } else { startPreferenceActivity(); } } else if (searchStr.equals(curItemStr)) { onSearchRequested(); } else if (setStr.equals(curItemStr)) { startPreferenceActivity(); } closeDrawerLayout(); } }); } private class ModeCallback implements ListView.MultiChoiceModeListener, OnMenuItemClickListener { private DropdownMenu mDropDownMenu; private ActionMode mActionMode; private MenuItem mMoveMenu; public boolean onCreateActionMode(ActionMode mode, Menu menu) { getMenuInflater().inflate(R.menu.note_list_options, menu); menu.findItem(R.id.delete).setOnMenuItemClickListener(this); mMoveMenu = menu.findItem(R.id.move); if (mFocusNoteDataItem.getParentId() == Notes.ID_CALL_RECORD_FOLDER || DataUtils.getUserFolderCount(mContentResolver) == 0) { mMoveMenu.setVisible(false); } else { mMoveMenu.setVisible(true); mMoveMenu.setOnMenuItemClickListener(this); } mActionMode = mode; mNotesListAdapter.setChoiceMode(true); mNotesListView.setLongClickable(false); mAddNewNote.setVisibility(View.GONE); View customView = LayoutInflater.from(NotesListActivity.this).inflate(R.layout.note_list_dropdown_menu, null); mode.setCustomView(customView); mDropDownMenu = new DropdownMenu(NotesListActivity.this, (Button) customView.findViewById(R.id.selection_menu), R.menu.note_list_dropdown); mDropDownMenu.setOnDropdownMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() { public boolean onMenuItemClick(MenuItem item) { mNotesListAdapter.selectAll(!mNotesListAdapter.isAllSelected()); updateMenu(); return true; } }); return true; } private void updateMenu() { int selectedCount = mNotesListAdapter.getSelectedCount(); // Update dropdown menu String format = getResources().getString(R.string.menu_select_title, selectedCount); mDropDownMenu.setTitle(format); MenuItem item = mDropDownMenu.findItem(R.id.action_select_all); if (item != null) { if (mNotesListAdapter.isAllSelected()) { item.setChecked(true); item.setTitle(R.string.menu_deselect_all); } else { item.setChecked(false); item.setTitle(R.string.menu_select_all); } } } public boolean onPrepareActionMode(ActionMode mode, Menu menu) { // TODO Auto-generated method stub return false; } public boolean onActionItemClicked(ActionMode mode, MenuItem item) { // TODO Auto-generated method stub return false; } public void onDestroyActionMode(ActionMode mode) { mNotesListAdapter.setChoiceMode(false); mNotesListView.setLongClickable(true); mAddNewNote.setVisibility(View.VISIBLE); } public void finishActionMode() { mActionMode.finish(); } public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) { mNotesListAdapter.setCheckedItem(position, checked); updateMenu(); } public boolean onMenuItemClick(MenuItem item) { if (mNotesListAdapter.getSelectedCount() == 0) { Toast.makeText(NotesListActivity.this, getString(R.string.menu_select_none), Toast.LENGTH_SHORT) .show(); return true; } switch (item.getItemId()) { case R.id.delete: AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); builder.setTitle(getString(R.string.alert_title_delete)); builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setMessage( getString(R.string.alert_message_delete_notes, mNotesListAdapter.getSelectedCount())); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { batchDelete(); } }); builder.setNegativeButton(android.R.string.cancel, null); builder.show(); break; case R.id.move: startQueryDestinationFolders(); break; default: return false; } return true; } } private void startAsyncNotesListQuery() { String selection = (mCurrentFolderId == Notes.ID_ROOT_FOLDER) ? ROOT_FOLDER_SELECTION : NORMAL_SELECTION; mBackgroundQueryHandler.startQuery(FOLDER_NOTE_LIST_QUERY_TOKEN, null, Notes.CONTENT_NOTE_URI, NoteItemData.PROJECTION, selection, new String[] { String.valueOf(mCurrentFolderId) }, NoteColumns.TYPE + " DESC," + NoteColumns.MODIFIED_DATE + " DESC"); } private final class BackgroundQueryHandler extends AsyncQueryHandler { public BackgroundQueryHandler(ContentResolver contentResolver) { super(contentResolver); } @Override protected void onQueryComplete(int token, Object cookie, Cursor cursor) { switch (token) { case FOLDER_NOTE_LIST_QUERY_TOKEN: mNotesListAdapter.changeCursor(cursor); break; case FOLDER_LIST_QUERY_TOKEN: if (cursor != null && cursor.getCount() > 0) { showFolderListMenu(cursor); } else { Log.e(TAG, "Query folder failed"); } break; default: return; } } } private void showFolderListMenu(Cursor cursor) { AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); builder.setTitle(R.string.menu_title_select_folder); final FoldersListAdapter adapter = new FoldersListAdapter(this, cursor); builder.setAdapter(adapter, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter.getSelectedItemIds(), adapter.getItemId(which)); Toast.makeText(NotesListActivity.this, getString(R.string.format_move_notes_to_folder, mNotesListAdapter.getSelectedCount(), adapter.getFolderName(NotesListActivity.this, which)), Toast.LENGTH_SHORT).show(); mModeCallBack.finishActionMode(); } }); builder.show(); } private void createNewNote() { ActivityOptionsCompat optionsCompat = TransitionHelper.makeOptionsCompat(this); Intent intent = new Intent(this, NoteEditActivity.class); intent.setAction(Intent.ACTION_INSERT_OR_EDIT); intent.putExtra(Notes.INTENT_EXTRA_FOLDER_ID, mCurrentFolderId); BitmapUtil.storeBitmapInIntent(BitmapUtil.createBitmap(findViewById(R.id.drawer_layout)), intent); ActivityCompat.startActivityForResult(this, intent, REQUEST_CODE_NEW_NODE, optionsCompat.toBundle()); } private void batchDelete() { new AsyncTask<Void, Void, HashSet<AppWidgetAttribute>>() { protected HashSet<AppWidgetAttribute> doInBackground(Void... unused) { HashSet<AppWidgetAttribute> widgets = mNotesListAdapter.getSelectedWidget(); if (!isSyncMode()) { // if not synced, delete notes directly if (DataUtils.batchDeleteNotes(mContentResolver, mNotesListAdapter.getSelectedItemIds())) { } else { Log.e(TAG, "Delete notes error, should not happens"); } } else { // in sync mode, we'll move the deleted note into the trash // folder if (!DataUtils.batchMoveToFolder(mContentResolver, mNotesListAdapter.getSelectedItemIds(), Notes.ID_TRASH_FOLER)) { Log.e(TAG, "Move notes to trash folder error, should not happens"); } } return widgets; } @Override protected void onPostExecute(HashSet<AppWidgetAttribute> widgets) { if (widgets != null) { for (AppWidgetAttribute widget : widgets) { if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) { updateWidget(widget.widgetId, widget.widgetType); } } } mModeCallBack.finishActionMode(); } }.execute(); } private void deleteFolder(long folderId) { if (folderId == Notes.ID_ROOT_FOLDER) { Log.e(TAG, "Wrong folder id, should not happen " + folderId); return; } HashSet<Long> ids = new HashSet<Long>(); ids.add(folderId); HashSet<AppWidgetAttribute> widgets = DataUtils.getFolderNoteWidget(mContentResolver, folderId); if (!isSyncMode()) { // if not synced, delete folder directly DataUtils.batchDeleteNotes(mContentResolver, ids); } else { // in sync mode, we'll move the deleted folder into the trash folder DataUtils.batchMoveToFolder(mContentResolver, ids, Notes.ID_TRASH_FOLER); } if (widgets != null) { for (AppWidgetAttribute widget : widgets) { if (widget.widgetId != AppWidgetManager.INVALID_APPWIDGET_ID && widget.widgetType != Notes.TYPE_WIDGET_INVALIDE) { updateWidget(widget.widgetId, widget.widgetType); } } } } private void openDrawerLayout() { if (!mDrawerLayout.isDrawerOpen(mNavigationLayout)) { mDrawerLayout.openDrawer(mNavigationLayout); } } private void closeDrawerLayout() { mDrawerLayout.closeDrawer(mNavigationLayout); } private void toggleDrawerLayout() { if (mDrawerLayout.isDrawerOpen(mNavigationLayout)) { mDrawerLayout.closeDrawer(mNavigationLayout); } else { mDrawerLayout.openDrawer(mNavigationLayout); } } private void openNode(NoteItemData data, View animStartView) { ActivityOptionsCompat optionsCompat = TransitionHelper.makeOptionsCompat(this, Pair.create(animStartView, "target_anim_view")); Intent intent = new Intent(this, NoteEditActivity.class); intent.setAction(Intent.ACTION_VIEW); intent.putExtra(Intent.EXTRA_UID, data.getId()); BitmapUtil.storeBitmapInIntent(BitmapUtil.createBitmap(findViewById(R.id.drawer_layout)), intent); ActivityCompat.startActivityForResult(this, intent, REQUEST_CODE_OPEN_NODE, optionsCompat.toBundle()); } private void openFolder(NoteItemData data) { mCurrentFolderId = data.getId(); startAsyncNotesListQuery(); if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { mState = ListEditState.CALL_RECORD_FOLDER; updateDrawerWithState(mState); mAddNewNote.setVisibility(View.GONE); } else { mState = ListEditState.SUB_FOLDER; updateDrawerWithState(mState); } if (data.getId() == Notes.ID_CALL_RECORD_FOLDER) { mTitleBar.setText(R.string.call_record_folder_name); } else { mTitleBar.setText(data.getSnippet()); } mTitleBar.setVisibility(View.VISIBLE); } public void onClick(View v) { switch (v.getId()) { case R.id.btn_new_note: createNewNote(); break; default: break; } } private void showSoftInput() { InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); if (inputMethodManager != null) { inputMethodManager.toggleSoftInput(InputMethodManager.SHOW_FORCED, 0); } } private void hideSoftInput(View view) { InputMethodManager inputMethodManager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE); inputMethodManager.hideSoftInputFromWindow(view.getWindowToken(), 0); } private void showCreateOrModifyFolderDialog(final boolean create) { final AlertDialog.Builder builder = new AlertDialog.Builder(this); View view = LayoutInflater.from(this).inflate(R.layout.dialog_edit_text, null); final EditText etName = (EditText) view.findViewById(R.id.et_foler_name); showSoftInput(); if (!create) { if (mFocusNoteDataItem != null) { etName.setText(mFocusNoteDataItem.getSnippet()); builder.setTitle(getString(R.string.menu_folder_change_name)); } else { Log.e(TAG, "The long click data item is null"); return; } } else { etName.setText(""); builder.setTitle(this.getString(R.string.menu_create_folder)); } builder.setPositiveButton(android.R.string.ok, null); builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { hideSoftInput(etName); } }); final Dialog dialog = builder.setView(view).show(); final Button positive = (Button) dialog.findViewById(android.R.id.button1); positive.setOnClickListener(new OnClickListener() { public void onClick(View v) { hideSoftInput(etName); String name = etName.getText().toString(); if (DataUtils.checkVisibleFolderName(mContentResolver, name)) { Toast.makeText(NotesListActivity.this, getString(R.string.folder_exist, name), Toast.LENGTH_LONG).show(); etName.setSelection(0, etName.length()); return; } if (!create) { if (!TextUtils.isEmpty(name)) { ContentValues values = new ContentValues(); values.put(NoteColumns.SNIPPET, name); values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); values.put(NoteColumns.LOCAL_MODIFIED, 1); mContentResolver.update(Notes.CONTENT_NOTE_URI, values, NoteColumns.ID + "=?", new String[] { String.valueOf(mFocusNoteDataItem.getId()) }); } } else if (!TextUtils.isEmpty(name)) { ContentValues values = new ContentValues(); values.put(NoteColumns.SNIPPET, name); values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); mContentResolver.insert(Notes.CONTENT_NOTE_URI, values); } dialog.dismiss(); } }); if (TextUtils.isEmpty(etName.getText())) { positive.setEnabled(false); } /** * When the name edit text is null, disable the positive button */ etName.addTextChangedListener(new TextWatcher() { public void beforeTextChanged(CharSequence s, int start, int count, int after) { // TODO Auto-generated method stub } public void onTextChanged(CharSequence s, int start, int before, int count) { if (TextUtils.isEmpty(etName.getText())) { positive.setEnabled(false); } else { positive.setEnabled(true); } } public void afterTextChanged(Editable s) { // TODO Auto-generated method stub } }); } @Override public void onBackPressed() { switch (mState) { case SUB_FOLDER: mCurrentFolderId = Notes.ID_ROOT_FOLDER; mState = ListEditState.NOTE_LIST; updateDrawerWithState(mState); startAsyncNotesListQuery(); mTitleBar.setVisibility(View.GONE); break; case CALL_RECORD_FOLDER: mCurrentFolderId = Notes.ID_ROOT_FOLDER; mState = ListEditState.NOTE_LIST; updateDrawerWithState(mState); mAddNewNote.setVisibility(View.VISIBLE); mTitleBar.setVisibility(View.GONE); startAsyncNotesListQuery(); break; case NOTE_LIST: super.onBackPressed(); break; default: break; } } private void updateWidget(int appWidgetId, int appWidgetType) { Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); if (appWidgetType == Notes.TYPE_WIDGET_2X) { intent.setClass(this, NoteWidgetProvider_2x.class); } else if (appWidgetType == Notes.TYPE_WIDGET_4X) { intent.setClass(this, NoteWidgetProvider_4x.class); } else { Log.e(TAG, "Unspported widget type"); return; } intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, new int[] { appWidgetId }); sendBroadcast(intent); setResult(RESULT_OK, intent); } private final OnCreateContextMenuListener mFolderOnCreateContextMenuListener = new OnCreateContextMenuListener() { public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { if (mFocusNoteDataItem != null) { menu.setHeaderTitle(mFocusNoteDataItem.getSnippet()); menu.add(0, MENU_FOLDER_VIEW, 0, R.string.menu_folder_view); menu.add(0, MENU_FOLDER_DELETE, 0, R.string.menu_folder_delete); menu.add(0, MENU_FOLDER_CHANGE_NAME, 0, R.string.menu_folder_change_name); } } }; @Override public void onContextMenuClosed(Menu menu) { if (mNotesListView != null) { mNotesListView.setOnCreateContextMenuListener(null); } super.onContextMenuClosed(menu); } @Override public boolean onContextItemSelected(MenuItem item) { if (mFocusNoteDataItem == null) { Log.e(TAG, "The long click data item is null"); return false; } switch (item.getItemId()) { case MENU_FOLDER_VIEW: openFolder(mFocusNoteDataItem); break; case MENU_FOLDER_DELETE: AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle(getString(R.string.alert_title_delete)); builder.setIcon(android.R.drawable.ic_dialog_alert); builder.setMessage(getString(R.string.alert_message_delete_folder)); builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { deleteFolder(mFocusNoteDataItem.getId()); } }); builder.setNegativeButton(android.R.string.cancel, null); builder.show(); break; case MENU_FOLDER_CHANGE_NAME: showCreateOrModifyFolderDialog(false); break; default: break; } return true; } @Override public boolean onPrepareOptionsMenu(Menu menu) { // menu.clear(); // if (mState == ListEditState.NOTE_LIST) { // getMenuInflater().inflate(R.menu.note_list, menu); // // set sync or sync_cancel // menu.findItem(R.id.menu_sync).setTitle( // GTaskSyncService.isSyncing() ? R.string.menu_sync_cancel : R.string.menu_sync); // } else if (mState == ListEditState.SUB_FOLDER) { // getMenuInflater().inflate(R.menu.sub_folder, menu); // } else if (mState == ListEditState.CALL_RECORD_FOLDER) { // getMenuInflater().inflate(R.menu.call_record_folder, menu); // } else { // Log.e(TAG, "Wrong state:" + mState); // } return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { switch (item.getItemId()) { case android.R.id.home: toggleDrawerLayout(); break; case R.id.menu_new_folder: { showCreateOrModifyFolderDialog(true); break; } case R.id.menu_export_text: { exportNoteToText(); break; } case R.id.menu_sync: { if (isSyncMode()) { if (TextUtils.equals(item.getTitle(), getString(R.string.menu_sync))) { GTaskSyncService.startSync(this); } else { GTaskSyncService.cancelSync(this); } } else { startPreferenceActivity(); } break; } case R.id.menu_setting: { startPreferenceActivity(); break; } case R.id.menu_new_note: { createNewNote(); break; } case R.id.menu_search: onSearchRequested(); break; default: break; } return true; } @Override public boolean onSearchRequested() { startSearch(null, false, null /* appData */, false); return true; } private void exportNoteToText() { final BackupUtils backup = BackupUtils.getInstance(NotesListActivity.this); new AsyncTask<Void, Void, Integer>() { @Override protected Integer doInBackground(Void... unused) { return backup.exportToText(); } @Override protected void onPostExecute(Integer result) { if (result == BackupUtils.STATE_SD_CARD_UNMOUONTED) { AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); builder.setTitle(NotesListActivity.this.getString(R.string.failed_sdcard_export)); builder.setMessage(NotesListActivity.this.getString(R.string.error_sdcard_unmounted)); builder.setPositiveButton(android.R.string.ok, null); builder.show(); } else if (result == BackupUtils.STATE_SUCCESS) { AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); builder.setTitle(NotesListActivity.this.getString(R.string.success_sdcard_export)); builder.setMessage(NotesListActivity.this.getString(R.string.format_exported_file_location, backup.getExportedTextFileName(), backup.getExportedTextFileDir())); builder.setPositiveButton(android.R.string.ok, null); builder.show(); } else if (result == BackupUtils.STATE_SYSTEM_ERROR) { AlertDialog.Builder builder = new AlertDialog.Builder(NotesListActivity.this); builder.setTitle(NotesListActivity.this.getString(R.string.failed_sdcard_export)); builder.setMessage(NotesListActivity.this.getString(R.string.error_sdcard_export)); builder.setPositiveButton(android.R.string.ok, null); builder.show(); } } }.execute(); } private boolean isSyncMode() { return NotesPreferenceActivity.getSyncAccountName(this).trim().length() > 0; } private void startPreferenceActivity() { Activity from = getParent() != null ? getParent() : this; Intent intent = new Intent(from, NotesPreferenceActivity.class); from.startActivityIfNeeded(intent, -1); } private class OnListItemClickListener implements OnItemClickListener { public void onItemClick(AdapterView<?> parent, View view, int position, long id) { if (view instanceof NotesListItem) { NoteItemData item = ((NotesListItem) view).getItemData(); if (mNotesListAdapter.isInChoiceMode()) { if (item.getType() == Notes.TYPE_NOTE) { position = position - mNotesListView.getHeaderViewsCount(); mModeCallBack.onItemCheckedStateChanged(null, position, id, !mNotesListAdapter.isSelectedItem(position)); } return; } switch (mState) { case NOTE_LIST: if (item.getType() == Notes.TYPE_FOLDER || item.getType() == Notes.TYPE_SYSTEM) { openFolder(item); } else if (item.getType() == Notes.TYPE_NOTE) { openNode(item, view); } else { Log.e(TAG, "Wrong note type in NOTE_LIST"); } break; case SUB_FOLDER: case CALL_RECORD_FOLDER: if (item.getType() == Notes.TYPE_NOTE) { openNode(item, view); } else { Log.e(TAG, "Wrong note type in SUB_FOLDER"); } break; default: break; } } } } private void startQueryDestinationFolders() { String selection = NoteColumns.TYPE + "=? AND " + NoteColumns.PARENT_ID + "<>? AND " + NoteColumns.ID + "<>?"; selection = (mState == ListEditState.NOTE_LIST) ? selection : "(" + selection + ") OR (" + NoteColumns.ID + "=" + Notes.ID_ROOT_FOLDER + ")"; mBackgroundQueryHandler.startQuery(FOLDER_LIST_QUERY_TOKEN, null, Notes.CONTENT_NOTE_URI, FoldersListAdapter.PROJECTION, selection, new String[] { String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER), String.valueOf(mCurrentFolderId) }, NoteColumns.MODIFIED_DATE + " DESC"); } public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) { if (view instanceof NotesListItem) { mFocusNoteDataItem = ((NotesListItem) view).getItemData(); if (mFocusNoteDataItem.getType() == Notes.TYPE_NOTE && !mNotesListAdapter.isInChoiceMode()) { if (mNotesListView.startActionMode(mModeCallBack) != null) { mModeCallBack.onItemCheckedStateChanged(null, position, id, true); mNotesListView.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS); } else { Log.e(TAG, "startActionMode fails"); } } else if (mFocusNoteDataItem.getType() == Notes.TYPE_FOLDER) { mNotesListView.setOnCreateContextMenuListener(mFolderOnCreateContextMenuListener); } } return false; } }