| /* |
| * Copyright (C) 2008,2009 OMRON SOFTWARE Co., Ltd. |
| * |
| * 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 jp.co.omronsoft.openwnn; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.Dialog; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.text.Editable; |
| import android.text.TextWatcher; |
| import android.util.Log; |
| import android.view.KeyEvent; |
| import android.view.View; |
| import android.view.Window; |
| import android.widget.Button; |
| import android.widget.EditText; |
| import android.widget.TextView; |
| import android.widget.Toast; |
| |
| /** |
| * The abstract class for user dictionary's word editor. |
| * |
| * @author Copyright (C) 2009, OMRON SOFTWARE CO., LTD. All Rights Reserved. |
| */ |
| public abstract class UserDictionaryToolsEdit extends Activity implements View.OnClickListener { |
| /** The class information for intent(Set this informations in the extend class) */ |
| protected String mListViewName; |
| /** The class information for intent(Set this informations in the extend class) */ |
| protected String mPackageName; |
| |
| /** The operation mode (Unknown) */ |
| private static final int STATE_UNKNOWN = 0; |
| /** The operation mode (Add the word) */ |
| private static final int STATE_INSERT = 1; |
| /** The operation mode (Edit the word) */ |
| private static final int STATE_EDIT = 2; |
| |
| /** Maximum length of a word's string */ |
| private static final int MAX_TEXT_SIZE = 20; |
| |
| /** The error code (Already registered the same word) */ |
| private static final int RETURN_SAME_WORD = -11; |
| |
| /** The focus view and pair view */ |
| private static View sFocusingView = null; |
| private static View sFocusingPairView = null; |
| |
| /** Widgets which constitute this screen of activity */ |
| private EditText mReadEditText; |
| private EditText mCandidateEditText; |
| private Button mEntryButton; |
| private Button mCancelButton; |
| |
| /** The word information which contains the previous information */ |
| private WnnWord mBeforeEditWnnWord; |
| /** The instance of word list activity */ |
| private UserDictionaryToolsList mListInstance; |
| |
| /** The constant for notifying dialog (Already exists the specified word) */ |
| private static final int DIALOG_CONTROL_WORDS_DUPLICATE = 0; |
| /** The constant for notifying dialog (The length of specified stroke or candidate exceeds the limit) */ |
| private static final int DIALOG_CONTROL_OVER_MAX_TEXT_SIZE = 1; |
| |
| /** The operation mode of this activity */ |
| private int mRequestState; |
| |
| /** |
| * Constructor |
| */ |
| public UserDictionaryToolsEdit() { |
| super(); |
| } |
| |
| /** |
| * Constructor |
| * |
| * @param focusView The information of view |
| * @param focusPairView The information of pair of view |
| */ |
| public UserDictionaryToolsEdit(View focusView, View focusPairView) { |
| super(); |
| sFocusingView = focusView; |
| sFocusingPairView = focusPairView; |
| } |
| |
| /** |
| * Send the specified event to IME |
| * |
| * @param ev The event object |
| * @return {@code true} if this event is processed. |
| */ |
| protected abstract boolean sendEventToIME(OpenWnnEvent ev); |
| |
| /** @see android.app.Activity#onCreate */ |
| @Override protected void onCreate(Bundle savedInstanceState) { |
| |
| super.onCreate(savedInstanceState); |
| |
| /* create view from XML layout */ |
| requestWindowFeature(Window.FEATURE_CUSTOM_TITLE); |
| setContentView(R.layout.user_dictionary_tools_edit); |
| |
| /* get widgets */ |
| mEntryButton = (Button)findViewById(R.id.addButton); |
| mCancelButton = (Button)findViewById(R.id.cancelButton); |
| mReadEditText = (EditText)findViewById(R.id.editRead); |
| mCandidateEditText = (EditText)findViewById(R.id.editCandidate); |
| |
| /* set the listener */ |
| mEntryButton.setOnClickListener(this); |
| mCancelButton.setOnClickListener(this); |
| |
| /* initialize */ |
| mRequestState = STATE_UNKNOWN; |
| mReadEditText.setSingleLine(); |
| mCandidateEditText.setSingleLine(); |
| |
| /* get the request and do it */ |
| Intent intent = getIntent(); |
| String action = intent.getAction(); |
| if (action.equals(Intent.ACTION_INSERT)) { |
| /* add a word */ |
| mEntryButton.setEnabled(false); |
| mRequestState = STATE_INSERT; |
| } else if (action.equals(Intent.ACTION_EDIT)) { |
| /* edit a word */ |
| mEntryButton.setEnabled(true); |
| mReadEditText.setText(((TextView)sFocusingView).getText()); |
| mCandidateEditText.setText(((TextView)sFocusingPairView).getText()); |
| mRequestState = STATE_EDIT; |
| |
| /* save the word's information before this edit */ |
| mBeforeEditWnnWord = new WnnWord(); |
| mBeforeEditWnnWord.stroke = ((TextView)sFocusingView).getText().toString(); |
| mBeforeEditWnnWord.candidate = ((TextView)sFocusingPairView).getText().toString(); |
| } else { |
| /* finish if it is unknown request */ |
| Log.e("OpenWnn", "onCreate() : Invaled Get Intent. ID=" + intent); |
| finish(); |
| return; |
| } |
| |
| getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, |
| R.layout.user_dictionary_tools_edit_header); |
| |
| /* set control buttons */ |
| setAddButtonControl(); |
| |
| } |
| |
| /** @see android.app.Activity#onKeyDown */ |
| @Override public boolean onKeyDown(int keyCode, KeyEvent event) { |
| if (keyCode == KeyEvent.KEYCODE_BACK) { |
| /* go back to the word list view */ |
| screenTransition(); |
| } |
| return false; |
| } |
| |
| /** |
| * Change the state of the "Add" button into the depending state of input area. |
| */ |
| public void setAddButtonControl() { |
| |
| /* Text changed listener for the reading text */ |
| mReadEditText.addTextChangedListener(new TextWatcher() { |
| public void afterTextChanged(Editable s) { |
| } |
| public void beforeTextChanged(CharSequence s, int start, int count, int after) { |
| } |
| public void onTextChanged(CharSequence s, int start, int before, int count) { |
| /* Enable/disable the "Add" button */ |
| if ((mReadEditText.getText().toString().length() != 0) && |
| (mCandidateEditText.getText().toString().length() != 0)) { |
| mEntryButton.setEnabled(true); |
| } else { |
| mEntryButton.setEnabled(false); |
| } |
| } |
| }); |
| /* Text changed listener for the candidate text */ |
| mCandidateEditText.addTextChangedListener(new TextWatcher() { |
| public void afterTextChanged(Editable s) { |
| } |
| public void beforeTextChanged(CharSequence s, int start, int count, int after) { |
| } |
| public void onTextChanged(CharSequence s, int start, int before, int count) { |
| /* Enable/disable the "Add" button */ |
| if ((mReadEditText.getText().toString().length() != 0) && |
| (mCandidateEditText.getText().toString().length() != 0)) { |
| mEntryButton.setEnabled(true); |
| } else { |
| mEntryButton.setEnabled(false); |
| } |
| } |
| }); |
| |
| } |
| |
| /** @see android.view.View.OnClickListener */ |
| public void onClick(View v) { |
| |
| mEntryButton.setEnabled(false); |
| mCancelButton.setEnabled(false); |
| |
| switch (v.getId()) { |
| case R.id.addButton: |
| /* save the word */ |
| doSaveAction(); |
| break; |
| |
| case R.id.cancelButton: |
| /* cancel the edit */ |
| doRevertAction(); |
| break; |
| |
| default: |
| Log.e("OpenWnn", "onClick: Get Invalid ButtonID. ID=" + v.getId()); |
| finish(); |
| return; |
| } |
| } |
| |
| /** |
| * Process the adding or editing action |
| */ |
| private void doSaveAction() { |
| |
| switch (mRequestState) { |
| case STATE_INSERT: |
| /* register a word */ |
| if (inputDataCheck(mReadEditText) && inputDataCheck(mCandidateEditText)) { |
| String stroke = mReadEditText.getText().toString(); |
| String candidate = mCandidateEditText.getText().toString(); |
| if (addDictionary(stroke, candidate)) { |
| screenTransition(); |
| } |
| } |
| break; |
| |
| case STATE_EDIT: |
| /* edit a word (=delete the word selected & add the word edited) */ |
| if (inputDataCheck(mReadEditText) && inputDataCheck(mCandidateEditText)) { |
| deleteDictionary(mBeforeEditWnnWord); |
| String stroke = mReadEditText.getText().toString(); |
| String candidate = mCandidateEditText.getText().toString(); |
| if (addDictionary(stroke, candidate)) { |
| screenTransition(); |
| } else { |
| addDictionary(mBeforeEditWnnWord.stroke, mBeforeEditWnnWord.candidate); |
| } |
| } |
| break; |
| |
| default: |
| Log.e("OpenWnn", "doSaveAction: Invalid Add Status. Status=" + mRequestState); |
| break; |
| } |
| } |
| |
| /** |
| * Process the cancel action |
| */ |
| private void doRevertAction() { |
| /* go back to the words list */ |
| screenTransition(); |
| } |
| |
| /** |
| * Create the alert dialog for notifying the error |
| * |
| * @param id The dialog ID |
| * @return The information of the dialog |
| */ |
| @Override protected Dialog onCreateDialog(int id) { |
| switch (id) { |
| case DIALOG_CONTROL_WORDS_DUPLICATE: |
| /* there is the same word in the dictionary */ |
| return new AlertDialog.Builder(UserDictionaryToolsEdit.this) |
| .setIcon(android.R.drawable.ic_dialog_alert) |
| .setMessage(R.string.user_dictionary_words_duplication_message) |
| .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, int whichButton) { |
| mEntryButton.setEnabled(true); |
| mCancelButton.setEnabled(true); |
| } |
| }) |
| .setCancelable(true) |
| .setOnCancelListener(new DialogInterface.OnCancelListener() { |
| public void onCancel(DialogInterface dialog) { |
| mEntryButton.setEnabled(true); |
| mCancelButton.setEnabled(true); |
| } |
| }) |
| .create(); |
| |
| case DIALOG_CONTROL_OVER_MAX_TEXT_SIZE: |
| /* the length of the word exceeds the limit */ |
| return new AlertDialog.Builder(UserDictionaryToolsEdit.this) |
| .setIcon(android.R.drawable.ic_dialog_alert) |
| .setMessage(R.string.user_dictionary_over_max_text_size_message) |
| .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() { |
| public void onClick(DialogInterface dialog, int witchButton) { |
| mEntryButton.setEnabled(true); |
| mCancelButton.setEnabled(true); |
| } |
| }) |
| .setCancelable(true) |
| .create(); |
| } |
| return super.onCreateDialog(id); |
| } |
| |
| /** |
| * Add the word |
| * |
| * @param stroke The stroke of the word |
| * @param candidate The string of the word |
| * @return {@code true} if success; {@code false} if fail. |
| */ |
| private boolean addDictionary(String stroke, String candidate) { |
| boolean ret; |
| |
| /* create WnnWord from the strings */ |
| WnnWord wnnWordAdd = new WnnWord(); |
| wnnWordAdd.stroke = stroke; |
| wnnWordAdd.candidate = candidate; |
| /* add word event */ |
| OpenWnnEvent event = new OpenWnnEvent(OpenWnnEvent.ADD_WORD, |
| WnnEngine.DICTIONARY_TYPE_USER, |
| wnnWordAdd); |
| /* notify the event to IME */ |
| ret = sendEventToIME(event); |
| if (ret == false) { |
| /* get error code if the process in IME is failed */ |
| int ret_code = event.errorCode; |
| if (ret_code == RETURN_SAME_WORD) { |
| showDialog(DIALOG_CONTROL_WORDS_DUPLICATE); |
| } |
| } else { |
| /* update the dictionary */ |
| mListInstance = createUserDictionaryToolsList(); |
| } |
| return ret; |
| } |
| |
| /** |
| * Delete the word |
| * |
| * @param word The information of word |
| */ |
| private void deleteDictionary(WnnWord word) { |
| /* delete the word from the dictionary */ |
| mListInstance = createUserDictionaryToolsList(); |
| boolean deleted = mListInstance.deleteWord(word); |
| if (!deleted) { |
| Toast.makeText(getApplicationContext(), |
| R.string.user_dictionary_delete_fail, |
| Toast.LENGTH_LONG).show(); |
| } |
| } |
| |
| /** |
| * Create the instance of UserDictionaryToolList object |
| */ |
| protected abstract UserDictionaryToolsList createUserDictionaryToolsList(); |
| |
| /** |
| * Check the input string |
| * |
| * @param v The information of view |
| * @return {@code true} if success; {@code false} if fail. |
| */ |
| private boolean inputDataCheck(View v) { |
| |
| /* return false if the length of the string exceeds the limit. */ |
| if ((((TextView)v).getTextSize()) > MAX_TEXT_SIZE) { |
| showDialog(DIALOG_CONTROL_OVER_MAX_TEXT_SIZE); |
| Log.e("OpenWnn", "inputDataCheck() : over max string length."); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Transit the new state |
| */ |
| private void screenTransition() { |
| finish(); |
| |
| /* change to the word listing window */ |
| Intent intent = new Intent(); |
| intent.setClassName(mPackageName, mListViewName); |
| startActivity(intent); |
| |
| } |
| |
| } |
