-package com.hughes.android.dictionary;
-
-import java.io.File;
-import java.io.FileWriter;
-import java.io.IOException;
-import java.io.PrintWriter;
-import java.io.RandomAccessFile;
-import java.text.SimpleDateFormat;
-import java.util.Arrays;
-import java.util.Date;
-import java.util.concurrent.Executor;
-import java.util.concurrent.Executors;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import android.app.ListActivity;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.SharedPreferences.Editor;
-import android.graphics.Typeface;
-import android.os.Bundle;
-import android.os.Handler;
-import android.preference.PreferenceManager;
-import android.text.ClipboardManager;
-import android.text.Editable;
-import android.text.Spannable;
-import android.text.TextWatcher;
-import android.text.style.StyleSpan;
-import android.util.Log;
-import android.view.ContextMenu;
-import android.view.KeyEvent;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.view.ContextMenu.ContextMenuInfo;
-import android.view.MenuItem.OnMenuItemClickListener;
-import android.view.View.OnClickListener;
-import android.view.inputmethod.InputMethodManager;
-import android.widget.AdapterView;
-import android.widget.BaseAdapter;
-import android.widget.Button;
-import android.widget.EditText;
-import android.widget.ListView;
-import android.widget.TableLayout;
-import android.widget.TableRow;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import com.hughes.android.dictionary.engine.Dictionary;
-import com.hughes.android.dictionary.engine.Language;
-import com.ibm.icu.text.Collator;
-
-public class DictionaryActivity extends ListActivity {
-
- // TO DO:
- // * Easy reverse lookup.
- // * Download latest dicts.
- // * http://ftp.tu-chemnitz.de/pub/Local/urz/ding/de-en-devel/
- // * http://www1.dict.cc/translation_file_request.php?l=e
- // * Compress all the strings everywhere, put compression table in file.
- // Done:
- // * Only one way to way for current search to end. (won't do).
-
- static final String LOG = "QuickDic";
- static final String PREF_DICT_ACTIVE_LANG = "DICT_DIR_PREF";
- static final String PREF_ACTIVE_SEARCH_TEXT = "ACTIVE_WORD_PREF";
-
- // package for test.
- final Handler uiHandler = new Handler();
- private final Executor searchExecutor = Executors.newSingleThreadExecutor();
-
- EditText searchText;
- Button langButton;
- int lastSelectedRow = 0; // TODO: I'm evil.
-
- private boolean prefsMightHaveChanged = true;
-
- // Never null.
- private File wordList = null;
- private RandomAccessFile dictRaf = null;
- private Dictionary dictionary = null;
- private boolean saveOnlyFirstSubentry = false;
-
- // Visible for testing.
- IndexAdapter indexAdapter = null;
- private SearchOperation searchOperation = null;
-
- public DictionaryActivity() {
-
- searchExecutor.execute(new Runnable() {
- public void run() {
- final long startMillis = System.currentTimeMillis();
- for (final String lang : Arrays.asList("EN", "DE")) {
- Language.lookup(lang).getFindCollator();
- final Collator c = Language.lookup(lang).getSortCollator();
- if (c.compare("pre-print", "preppy") >= 0) {
- Log.e(LOG, c.getClass() + " is buggy, lookups may not work properly.");
- }
- }
- Log.d(LOG, "Loading collators took:" + (System.currentTimeMillis() - startMillis));
- }
- });
-
- }
-
- /** Called when the activity is first created. */
- @Override
- public void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- Log.d(LOG, "onCreate:" + this);
-
- try {
- initDictionaryAndPrefs();
- } catch (Exception e) {
- return;
- }
-
- // UI init.
-
- setContentView(R.layout.dictionary_activity);
- searchText = (EditText) findViewById(R.id.SearchText);
- langButton = (Button) findViewById(R.id.LangButton);
-
- searchText.addTextChangedListener(new SearchTextWatcher());
-
- getListView().setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
- public void onItemSelected(AdapterView<?> arg0, View arg1, int row,
- long arg3) {
- setSelectedRow(row);
- }
- public void onNothingSelected(AdapterView<?> arg0) {
- }
- });
-
- getListView().setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
- public boolean onItemLongClick(AdapterView<?> arg0, View arg1, int row,
- long arg3) {
- setSelectedRow(row);
- return false;
- }
- });
-
- final Button clearSearchTextButton = (Button) findViewById(R.id.ClearSearchTextButton);
- clearSearchTextButton.setOnClickListener(new OnClickListener() {
- public void onClick(View v) {
- onClearSearchTextButton(clearSearchTextButton);
- }
- });
- clearSearchTextButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this).getBoolean(
- getString(R.string.showClearSearchTextButtonKey), true) ? View.VISIBLE
- : View.GONE);
-
- final Button langButton = (Button) findViewById(R.id.LangButton);
- langButton.setOnClickListener(new OnClickListener() {
- public void onClick(View v) {
- onLanguageButton();
- }
- });
-
- final Button upButton = (Button) findViewById(R.id.UpButton);
- upButton.setOnClickListener(new OnClickListener() {
- public void onClick(View v) {
- onUpButton();
- }
- });
- final Button downButton = (Button) findViewById(R.id.DownButton);
- downButton.setOnClickListener(new OnClickListener() {
- public void onClick(View v) {
- onDownButton();
- }
- });
-
- // ContextMenu.
- registerForContextMenu(getListView());
-
- updateLangButton();
- }
-
- private void initDictionaryAndPrefs() throws Exception {
- if (!prefsMightHaveChanged) {
- return;
- }
- closeCurrentDictionary();
-
- final SharedPreferences prefs = PreferenceManager
- .getDefaultSharedPreferences(this);
- wordList = new File(prefs.getString(getString(R.string.wordListFileKey),
- getString(R.string.wordListFileDefault)));
- Log.d(LOG, "wordList=" + wordList);
-
- saveOnlyFirstSubentry = prefs.getBoolean(getString(R.string.saveOnlyFirstSubentryKey), false);
-
- final File dictFile = new File(prefs.getString(getString(R.string.dictFileKey),
- getString(R.string.dictFileDefault)));
- Log.d(LOG, "dictFile=" + dictFile);
-
- try {
- if (!dictFile.canRead()) {
- throw new IOException("Unable to read dictionary file.");
- }
-
- dictRaf = new RandomAccessFile(dictFile, "r");
- final long startMillis = System.currentTimeMillis();
- dictionary = new Dictionary(dictRaf);
- Log.d(LOG, "Read dictionary millis: " + (System.currentTimeMillis() - startMillis));
- } catch (IOException e) {
- Log.e(LOG, "Couldn't open dictionary.", e);
-
- this.startActivity(new asdfIntent(this, DictionaryEditActivity.class));
- finish();
- }
-
- final byte lang = prefs.getInt(PREF_DICT_ACTIVE_LANG, SimpleEntry.LANG1) == SimpleEntry.LANG1 ? SimpleEntry.LANG1
- : SimpleEntry.LANG2;
-
- indexAdapter = new IndexAdapter(dictionary.languageDatas[lang]);
- setListAdapter(indexAdapter);
- prefsMightHaveChanged = false;
- }
-
- @Override
- public void onResume() {
- super.onResume();
- Log.d(LOG, "onResume:" + this);
-
- try {
- initDictionaryAndPrefs();
- } catch (Exception e) {
- return;
- }
-
- final SharedPreferences prefs = PreferenceManager
- .getDefaultSharedPreferences(this);
- final String searchTextString = prefs
- .getString(PREF_ACTIVE_SEARCH_TEXT, "");
- searchText.setText(searchTextString);
- getListView().requestFocus();
- onSearchTextChange(searchTextString);
- }
-
- @Override
- public void onPause() {
- super.onPause();
- Log.d(LOG, "onPause:" + this);
- final Editor prefs = PreferenceManager.getDefaultSharedPreferences(this)
- .edit();
- prefs.putInt(PREF_DICT_ACTIVE_LANG, indexAdapter.languageData.lang);
- prefs.putString(PREF_ACTIVE_SEARCH_TEXT, searchText.getText().toString());
- prefs.commit();
- }
-
- @Override
- public void onStop() {
- super.onStop();
- Log.d(LOG, "onStop:" + this);
- if (isFinishing()) {
- Log.i(LOG, "isFinishing()==true, closing dictionary.");
- closeCurrentDictionary();
- }
- }
-
- private void closeCurrentDictionary() {
- Log.i(LOG, "closeCurrentDictionary");
- if (dictionary == null) {
- return;
- }
- waitForSearchEnd();
- indexAdapter = null;
- setListAdapter(null);
- Log.d(LOG, "setListAdapter finished.");
- dictionary = null;
- try {
- if (dictRaf != null) {
- dictRaf.close();
- }
- } catch (IOException e) {
- throw new RuntimeException(e);
- }
- dictRaf = null;
- }
-
- public String getSelectedRowRawText(final boolean onlyFirstSubentry) {
- final Row row = indexAdapter.languageData.rows.get(getSelectedRow());
- return indexAdapter.languageData.rowToString(row, onlyFirstSubentry);
- }
-
- // ----------------------------------------------------------------
- // OptionsMenu
- // ----------------------------------------------------------------
-
- private MenuItem switchLanguageMenuItem = null;
-
- @Override
- public boolean onCreateOptionsMenu(final Menu menu) {
- switchLanguageMenuItem = menu.add(getString(R.string.switchToLanguage));
- switchLanguageMenuItem
- .setOnMenuItemClickListener(new OnMenuItemClickListener() {
- public boolean onMenuItemClick(final MenuItem menuItem) {
- onLanguageButton();
- return false;
- }
- });
-
- final MenuItem preferences = menu.add(getString(R.string.preferences));
- preferences.setOnMenuItemClickListener(new OnMenuItemClickListener() {
- public boolean onMenuItemClick(final MenuItem menuItem) {
- prefsMightHaveChanged = true;
- startActivity(new Intent(DictionaryActivity.this,
- PreferenceActivity.class));
- return false;
- }
- });
-
- final MenuItem about = menu.add(getString(R.string.about));
- about.setOnMenuItemClickListener(new OnMenuItemClickListener() {
- public boolean onMenuItemClick(final MenuItem menuItem) {
- final Intent intent = new Intent().setClassName(AboutActivity.class
- .getPackage().getName(), AboutActivity.class.getCanonicalName());
- final String currentDictInfo;
- if (dictionary == null) {
- currentDictInfo = getString(R.string.noDictLoaded);
- } else {
- final LanguageData lang0 = dictionary.languageDatas[0];
- final LanguageData lang1 = dictionary.languageDatas[1];
- currentDictInfo = getString(R.string.aboutText, dictionary.dictionaryInfo, dictionary.entries.size(),
- lang0.language.symbol, lang0.sortedIndex.size(), lang0.rows.size(),
- lang1.language.symbol, lang1.sortedIndex.size(), lang1.rows.size());
- }
- intent.putExtra(AboutActivity.CURRENT_DICT_INFO, currentDictInfo
- .toString());
- startActivity(intent);
- return false;
- }
- });
-
- final MenuItem download = menu.add(getString(R.string.downloadDictionary));
- download.setOnMenuItemClickListener(new OnMenuItemClickListener() {
- public boolean onMenuItemClick(final MenuItem menuItem) {
- prefsMightHaveChanged = true;
- startDownloadDictActivity(DictionaryActivity.this);
- return false;
- }
- });
-
- return true;
- }
-
- @Override
- public boolean onPrepareOptionsMenu(final Menu menu) {
- switchLanguageMenuItem.setTitle(getString(R.string.switchToLanguage,
- dictionary.languageDatas[SimpleEntry
- .otherLang(indexAdapter.languageData.lang)].language.symbol));
- return super.onPrepareOptionsMenu(menu);
- }
-
- void updateLangButton() {
- langButton.setText(indexAdapter.languageData.language.symbol);
- }
-
- // ----------------------------------------------------------------
- // Event handlers.
- // ----------------------------------------------------------------
-
- void onLanguageButton() {
- waitForSearchEnd();
- indexAdapter = new IndexAdapter(
- dictionary.languageDatas[(indexAdapter.languageData == dictionary.languageDatas[0]) ? 1
- : 0]);
- Log.d(LOG, "onLanguageButton, newLang=" + indexAdapter.languageData.language.symbol);
- setListAdapter(indexAdapter);
- updateLangButton();
- onSearchTextChange(searchText.getText().toString());
- }
-
- void onUpButton() {
- final int destRowIndex = indexAdapter.languageData.getPrevTokenRow(getSelectedRow());
- Log.d(LOG, "onUpButton, destRowIndex=" + destRowIndex);
- jumpToRow(indexAdapter, destRowIndex);
- }
-
- void onDownButton() {
- final int destRowIndex = indexAdapter.languageData.getNextTokenRow(getSelectedRow());
- Log.d(LOG, "onDownButton, destRowIndex=" + destRowIndex);
- jumpToRow(indexAdapter, destRowIndex);
- }
-
- void onAppendToWordList() {
- final int row = getSelectedRow();
- if (row < 0) {
- return;
- }
- final StringBuilder rawText = new StringBuilder();
- final String word = indexAdapter.languageData.getIndexEntryForRow(row).word;
- rawText.append(
- new SimpleDateFormat("yyyy.MM.dd HH:mm:ss").format(new Date()))
- .append("\t");
- rawText.append(word).append("\t");
- rawText.append(getSelectedRowRawText(saveOnlyFirstSubentry));
- Log.d(LOG, "Writing : " + rawText);
- try {
- wordList.getParentFile().mkdirs();
- final PrintWriter out = new PrintWriter(
- new FileWriter(wordList, true));
- out.println(rawText.toString());
- out.close();
- } catch (IOException e) {
- Log.e(LOG, "Unable to append to " + wordList.getAbsolutePath(), e);
- Toast.makeText(this, getString(R.string.failedAddingToWordList, wordList.getAbsolutePath()), Toast.LENGTH_LONG);
- }
- return;
- }
-
- void onCopy() {
- final int row = getSelectedRow();
- if (row < 0) {
- return;
- }
- Log.d(LOG, "Copy." + DictionaryActivity.this.getSelectedRow());
- final StringBuilder result = new StringBuilder();
- result.append(getSelectedRowRawText(false));
- final ClipboardManager clipboardManager = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
- clipboardManager.setText(result.toString());
- Log.d(LOG, "Copied: " + result);
- }
-
- @Override
- public boolean onKeyDown(int keyCode, KeyEvent event) {
- if (event.getUnicodeChar() != 0) {
- if (!searchText.hasFocus()) {
- searchText.setText("" + (char) event.getUnicodeChar());
- onSearchTextChange(searchText.getText().toString());
- searchText.requestFocus();
- }
- return true;
- }
- return super.onKeyDown(keyCode, event);
- }
-
- @Override
- protected void onListItemClick(ListView l, View v, int row, long id) {
- setSelectedRow(row);
- openContextMenu(getListView());
- }
-
- void onSearchTextChange(final String searchText) {
- Log.d(LOG, "onSearchTextChange: " + searchText);
- synchronized (this) {
- searchOperation = new SearchOperation(indexAdapter, searchText.trim(), searchOperation);
- searchExecutor.execute(searchOperation);
- }
- }
-
- private void onClearSearchTextButton(final Button clearSearchTextButton) {
- clearSearchTextButton.requestFocus();
- searchText.setText("");
- searchText.requestFocus();
- Log.d(LOG, "Trying to show soft keyboard.");
- final InputMethodManager manager = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
- manager.showSoftInput(searchText, InputMethodManager.SHOW_IMPLICIT);
- }
-
- // ----------------------------------------------------------------
- // ContextMenu
- // ----------------------------------------------------------------
-
- @Override
- public void onCreateContextMenu(ContextMenu menu, View v,
- ContextMenuInfo menuInfo) {
- final int row = getSelectedRow();
- if (row < 0) {
- return;
- }
-
- final MenuItem addToWordlist = menu.add(getString(R.string.addToWordList, wordList.getName()));
- addToWordlist.setOnMenuItemClickListener(new OnMenuItemClickListener() {
- public boolean onMenuItemClick(MenuItem item) {
- onAppendToWordList();
- return false;
- }
- });
-
- final MenuItem copy = menu.add(android.R.string.copy);
- copy.setOnMenuItemClickListener(new OnMenuItemClickListener() {
- public boolean onMenuItemClick(MenuItem item) {
- onCopy();
- return false;
- }
- });
-
- }
-
- private void jumpToRow(final IndexAdapter dictionaryListAdapter,
- final int rowIndex) {
- Log.d(LOG, "jumpToRow: " + rowIndex);
- if (dictionaryListAdapter != this.indexAdapter) {
- Log.w(LOG, "skipping jumpToRow for old list adapter: " + rowIndex);
- return;
- }
- setSelection(rowIndex);
- setSelectedRow(rowIndex);
- getListView().setSelected(true);
- }
-
- // TODO: delete me somehow.
- private int getSelectedRow() {
- return lastSelectedRow;
- }
- private void setSelectedRow(final int row) {
- lastSelectedRow = row;
- Log.d(LOG, "Selected: " + getSelectedRowRawText(true));
- updateSearchText();
- }
-
- private void updateSearchText() {
- Log.d(LOG, "updateSearchText");
- final int selectedRowIndex = getSelectedRow();
- if (!searchText.hasFocus()) {
- if (selectedRowIndex >= 0) {
- final String word = indexAdapter.languageData
- .getIndexEntryForRow(selectedRowIndex).word;
- if (!word.equals(searchText.getText().toString())) {
- Log.d(LOG, "updateSearchText: setText: " + word);
- searchText.setText(word);
- }
- } else {
- Log.w(LOG, "updateSearchText: nothing selected.");
- }
- }
- }
-
- static void startDownloadDictActivity(final Context context) {
- final Intent intent = new Intent(context, DownloadActivity.class);
- final SharedPreferences prefs = PreferenceManager
- .getDefaultSharedPreferences(context);
- final String dictFetchUrl = prefs.getString(context
- .getString(R.string.dictFetchUrlKey), context
- .getString(R.string.dictFetchUrlDefault));
- final String dictFileName = prefs.getString(context
- .getString(R.string.dictFileKey), context
- .getString(R.string.dictFileDefault));
- intent.putExtra(DownloadActivity.SOURCE, dictFetchUrl);
- intent.putExtra(DownloadActivity.DEST, dictFileName);
- context.startActivity(intent);
- }
-
- class IndexAdapter extends BaseAdapter {
-
- // Visible for testing.
- final LanguageData languageData;
-
- IndexAdapter(final LanguageData languageData) {
- this.languageData = languageData;
- }
-
- public int getCount() {
- return languageData.rows.size();
- }
-
- public Dictionary.Row getItem(int rowIndex) {
- assert rowIndex < languageData.rows.size();
- return languageData.rows.get(rowIndex);
- }
-
- public long getItemId(int rowIndex) {
- return rowIndex;
- }
-
- public View getView(final int rowIndex, final View convertView,
- final ViewGroup parent) {
- final Row row = getItem(rowIndex);
-
- // Token row.
- if (row.isToken()) {
- TextView result = null;
- if (convertView instanceof TextView) {
- result = (TextView) convertView;
- } else {
- result = new TextView(parent.getContext());
- }
- if (row == null) {
- return result;
- }
- result.setText(languageData.rowToString(row, false));
- result.setTextAppearance(parent.getContext(),
- android.R.style.TextAppearance_Large);
- result.setClickable(false);
- return result;
- }
-
- // Entry row(s).
- final TableLayout result = new TableLayout(parent.getContext());
-
- final SimpleEntry entry = new SimpleEntry(null, null);//.entries.get(row.getIndex());
- final int rowCount = entry.getRowCount();
- for (int r = 0; r < rowCount; ++r) {
- final TableRow tableRow = new TableRow(result.getContext());
-
- TextView column1 = new TextView(tableRow.getContext());
- TextView column2 = new TextView(tableRow.getContext());
- final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();
- layoutParams.weight = 0.5f;
-
- if (r > 0) {
- final TextView spacer = new TextView(tableRow.getContext());
- spacer.setText(r == 0 ? "� " : " � ");
- tableRow.addView(spacer);
- }
- tableRow.addView(column1, layoutParams);
- if (r > 0) {
- final TextView spacer = new TextView(tableRow.getContext());
- spacer.setText(r == 0 ? "� " : " � ");
- tableRow.addView(spacer);
- }
- tableRow.addView(column2, layoutParams);
-
- column1.setWidth(1);
- column2.setWidth(1);
- // column1.setTextAppearance(parent.getContext(), android.R.style.Text);
-
- // TODO: color words by gender
- final String col1Text = entry.getAllText(languageData.lang)[r];
- column1.setText(col1Text, TextView.BufferType.SPANNABLE);
- final Spannable col1Spannable = (Spannable) column1.getText();
- int startPos = 0;
- final String token = languageData.getIndexEntryForRow(rowIndex).word;
- while ((startPos = col1Text.indexOf(token, startPos)) != -1) {
- col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos,
- startPos + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
- startPos += token.length();
- }
-
- column2.setText(
- entry.getAllText(SimpleEntry.otherLang(languageData.lang))[r],
- TextView.BufferType.NORMAL);
-
- result.addView(tableRow);
- }
-
- return result;
- }
-
- } // DictionaryListAdapter
-
- private final class SearchOperation implements Runnable {
- SearchOperation previousSearchOperation;
-
- final IndexAdapter listAdapter;
- final LanguageData languageData;
- final String searchText;
- final AtomicBoolean interrupted = new AtomicBoolean(false);
- boolean searchFinished = false;
-
- SearchOperation(final IndexAdapter listAdapter,
- final String searchText, final SearchOperation previousSearchOperation) {
- this.listAdapter = listAdapter;
- this.languageData = listAdapter.languageData;
- this.searchText = searchText;
- this.previousSearchOperation = previousSearchOperation;
- }
-
- public void run() {
- if (previousSearchOperation != null) {
- previousSearchOperation.stopAndWait();
- }
- previousSearchOperation = null;
-
- Log.d(LOG, "SearchOperation: " + searchText);
- final int indexLocation = languageData.lookup(searchText, interrupted);
- if (!interrupted.get()) {
- final IndexEntry indexEntry = languageData.sortedIndex.get(indexLocation);
-
- Log.d(LOG, "SearchOperation completed: " + indexEntry.toString());
- uiHandler.post(new Runnable() {
- public void run() {
- // Check is just a performance operation.
- if (!interrupted.get()) {
- // This is safe, because it checks that the listAdapter hasn't changed.
- jumpToRow(listAdapter, indexEntry.startRow);
- }
- synchronized (DictionaryActivity.this) {
- searchOperation = null;
- DictionaryActivity.this.notifyAll();
- }
- }
- });
- }
- synchronized (this) {
- searchFinished = true;
- this.notifyAll();
- }
- }
-
- private void stopAndWait() {
- interrupted.set(true);
- synchronized (this) {
- while (!searchFinished) {
- Log.d(LOG, "stopAndWait: " + searchText);
- try {
- this.wait();
- } catch (InterruptedException e) {
- Log.e(LOG, "Interrupted", e);
- }
- }
- }
- }
- } // SearchOperation
-
- void waitForSearchEnd() {
- synchronized (this) {
- while (searchOperation != null) {
- Log.d(LOG, "waitForSearchEnd");
- try {
- this.wait();
- } catch (InterruptedException e) {
- Log.e(LOG, "Interrupted.", e);
- }
- }
- }
- }
-
- private class SearchTextWatcher implements TextWatcher {
- public void afterTextChanged(final Editable searchTextEditable) {
- Log.d(LOG, "Search text changed: " + searchText.getText().toString());
- if (searchText.hasFocus()) {
- // If they were typing to cause the change, update the UI.
- onSearchTextChange(searchText.getText().toString());
- }
- }
-
- public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,
- int arg3) {
- }
-
- public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
- }
- }
-
-}
\ No newline at end of file
+package com.hughes.android.dictionary;\r
+\r
+import java.io.File;\r
+import java.io.IOException;\r
+import java.io.RandomAccessFile;\r
+import java.util.concurrent.Executor;\r
+import java.util.concurrent.Executors;\r
+import java.util.concurrent.atomic.AtomicBoolean;\r
+\r
+import android.app.ListActivity;\r
+import android.content.Intent;\r
+import android.graphics.Typeface;\r
+import android.os.Bundle;\r
+import android.os.Handler;\r
+import android.preference.PreferenceManager;\r
+import android.text.Editable;\r
+import android.text.Spannable;\r
+import android.text.TextWatcher;\r
+import android.text.style.StyleSpan;\r
+import android.util.Log;\r
+import android.view.View;\r
+import android.view.ViewGroup;\r
+import android.view.View.OnClickListener;\r
+import android.widget.BaseAdapter;\r
+import android.widget.Button;\r
+import android.widget.EditText;\r
+import android.widget.ListAdapter;\r
+import android.widget.TableLayout;\r
+import android.widget.TableRow;\r
+import android.widget.TextView;\r
+\r
+import com.hughes.android.dictionary.engine.Dictionary;\r
+import com.hughes.android.dictionary.engine.Index;\r
+import com.hughes.android.dictionary.engine.PairEntry;\r
+import com.hughes.android.dictionary.engine.RowBase;\r
+import com.hughes.android.dictionary.engine.TokenRow;\r
+import com.hughes.android.util.PersistentObjectCache;\r
+\r
+public class DictionaryActivity extends ListActivity {\r
+\r
+ static final String LOG = "QuickDic";\r
+\r
+ RandomAccessFile dictRaf = null;\r
+ Dictionary dictionary = null;\r
+ int indexIndex = 0;\r
+ Index index = null;\r
+ \r
+ // package for test.\r
+ final Handler uiHandler = new Handler();\r
+ private final Executor searchExecutor = Executors.newSingleThreadExecutor();\r
+ private SearchOperation currentSearchOperation = null;\r
+\r
+ EditText searchText;\r
+ Button langButton;\r
+\r
+ // Never null.\r
+ private File wordList = null;\r
+ private boolean saveOnlyFirstSubentry = false;\r
+\r
+ // Visible for testing.\r
+ ListAdapter indexAdapter = null;\r
+\r
+ \r
+ public static Intent getIntent(final int dictIndex, final int indexIndex, final String searchToken) {\r
+ final Intent intent = new Intent();\r
+ intent.setClassName(DictionaryActivity.class.getPackage().getName(), DictionaryActivity.class.getName());\r
+ intent.putExtra(C.DICT_INDEX, dictIndex);\r
+ intent.putExtra(C.INDEX_INDEX, indexIndex);\r
+ intent.putExtra(C.SEARCH_TOKEN, searchToken);\r
+ return intent;\r
+ }\r
+\r
+ @Override\r
+ public void onCreate(Bundle savedInstanceState) {\r
+ super.onCreate(savedInstanceState);\r
+ \r
+ PersistentObjectCache.init(this);\r
+ QuickDicConfig quickDicConfig = PersistentObjectCache.init(\r
+ this).read(C.DICTIONARY_CONFIGS, QuickDicConfig.class);\r
+ \r
+ final Intent intent = getIntent();\r
+ \r
+ final DictionaryConfig dictionaryConfig = quickDicConfig.dictionaryConfigs.get(intent.getIntExtra(C.DICT_INDEX, 0));\r
+ try {\r
+ dictRaf = new RandomAccessFile(dictionaryConfig.localFile, "r");\r
+ dictionary = new Dictionary(dictRaf); \r
+ } catch (IOException e) {\r
+ Log.e(LOG, "Unable to load dictionary.", e);\r
+ // TODO: Start up the editor.\r
+ finish();\r
+ return;\r
+ }\r
+ \r
+ indexIndex = intent.getIntExtra(C.INDEX_INDEX, 0);\r
+ index = dictionary.indices.get(indexIndex);\r
+ setListAdapter(new IndexAdapter(index));\r
+ \r
+ setContentView(R.layout.dictionary_activity);\r
+ searchText = (EditText) findViewById(R.id.SearchText);\r
+ langButton = (Button) findViewById(R.id.LangButton);\r
+ \r
+ searchText.addTextChangedListener(new SearchTextWatcher());\r
+ \r
+ \r
+ final Button clearSearchTextButton = (Button) findViewById(R.id.ClearSearchTextButton);\r
+ clearSearchTextButton.setOnClickListener(new OnClickListener() {\r
+ public void onClick(View v) {\r
+ //onClearSearchTextButton(clearSearchTextButton);\r
+ }\r
+ });\r
+ clearSearchTextButton.setVisibility(PreferenceManager.getDefaultSharedPreferences(this).getBoolean(\r
+ getString(R.string.showClearSearchTextButtonKey), true) ? View.VISIBLE\r
+ : View.GONE);\r
+ \r
+ final Button langButton = (Button) findViewById(R.id.LangButton);\r
+ langButton.setOnClickListener(new OnClickListener() {\r
+ public void onClick(View v) {\r
+ onLanguageButton();\r
+ }\r
+ });\r
+ \r
+ final Button upButton = (Button) findViewById(R.id.UpButton);\r
+ upButton.setOnClickListener(new OnClickListener() {\r
+ public void onClick(View v) {\r
+ //onUpButton();\r
+ }\r
+ });\r
+ final Button downButton = (Button) findViewById(R.id.DownButton);\r
+ downButton.setOnClickListener(new OnClickListener() {\r
+ public void onClick(View v) {\r
+ //onDownButton();\r
+ }\r
+ });\r
+\r
+ // ContextMenu.\r
+ registerForContextMenu(getListView());\r
+\r
+ updateLangButton();\r
+\r
+ }\r
+ \r
+ void updateLangButton() {\r
+ langButton.setText(index.shortName.toUpperCase());\r
+ }\r
+\r
+\r
+ \r
+ \r
+ void onLanguageButton() {\r
+ // TODO: synchronized, stop search.\r
+ \r
+ indexIndex = (indexIndex + 1) % dictionary.indices.size();\r
+ index = dictionary.indices.get(indexIndex);\r
+ indexAdapter = new IndexAdapter(index);\r
+ Log.d(LOG, "onLanguageButton, newLang=" + index.longName);\r
+ setListAdapter(indexAdapter);\r
+ updateLangButton();\r
+ onSearchTextChange(searchText.getText().toString());\r
+ }\r
+ \r
+ // --------------------------------------------------------------------------\r
+ // SearchOperation\r
+ // --------------------------------------------------------------------------\r
+\r
+ private void searchFinished(final SearchOperation searchOperation) {\r
+ if (searchOperation == this.currentSearchOperation) {\r
+ setSelection(searchOperation.tokenRow.index());\r
+ getListView().setSelected(true);\r
+ }\r
+ }\r
+\r
+ final class SearchOperation implements Runnable {\r
+ \r
+ final AtomicBoolean interrupted = new AtomicBoolean(false);\r
+ final String searchText;\r
+ final Index index;\r
+ \r
+ boolean failed = false;\r
+ TokenRow tokenRow;\r
+ \r
+ SearchOperation(final String searchText, final Index index) {\r
+ this.searchText = searchText.trim();\r
+ this.index = index;\r
+ }\r
+\r
+ @Override\r
+ public void run() {\r
+ tokenRow = index.findInsertionPoint(searchText, interrupted);\r
+ failed = false; // TODO\r
+ if (!interrupted.get()) {\r
+ uiHandler.post(new Runnable() {\r
+ @Override\r
+ public void run() { \r
+ searchFinished(SearchOperation.this);\r
+ }\r
+ });\r
+ }\r
+ }\r
+ }\r
+\r
+ \r
+ // --------------------------------------------------------------------------\r
+ // IndexAdapter\r
+ // --------------------------------------------------------------------------\r
+\r
+ static final class IndexAdapter extends BaseAdapter {\r
+ \r
+ final Index index;\r
+\r
+ IndexAdapter(final Index index) {\r
+ this.index = index;\r
+ }\r
+\r
+ @Override\r
+ public int getCount() {\r
+ return index.rows.size();\r
+ }\r
+\r
+ @Override\r
+ public Object getItem(int position) {\r
+ return index.rows.get(position);\r
+ }\r
+\r
+ @Override\r
+ public long getItemId(int position) {\r
+ return position;\r
+ }\r
+\r
+ @Override\r
+ public View getView(int position, View convertView, ViewGroup parent) {\r
+ final RowBase row = index.rows.get(position);\r
+ if (row instanceof PairEntry.Row) {\r
+ return getView((PairEntry.Row) row, parent);\r
+ } else if (row instanceof TokenRow) {\r
+ return getView((TokenRow) row, parent);\r
+ } else {\r
+ throw new IllegalArgumentException("Unsupported Row type: " + row.getClass());\r
+ }\r
+ }\r
+\r
+ private View getView(PairEntry.Row row, ViewGroup parent) {\r
+ final TableLayout result = new TableLayout(parent.getContext());\r
+ final PairEntry entry = row.getEntry();\r
+ final int rowCount = entry.pairs.length;\r
+ for (int r = 0; r < rowCount; ++r) {\r
+ final TableRow tableRow = new TableRow(result.getContext());\r
+\r
+ TextView column1 = new TextView(tableRow.getContext());\r
+ TextView column2 = new TextView(tableRow.getContext());\r
+ final TableRow.LayoutParams layoutParams = new TableRow.LayoutParams();\r
+ layoutParams.weight = 0.5f;\r
+\r
+ if (r > 0) {\r
+ final TextView spacer = new TextView(tableRow.getContext());\r
+ spacer.setText(" • ");\r
+ tableRow.addView(spacer);\r
+ }\r
+ tableRow.addView(column1, layoutParams);\r
+ if (r > 0) {\r
+ final TextView spacer = new TextView(tableRow.getContext());\r
+ spacer.setText(" • ");\r
+ tableRow.addView(spacer);\r
+ }\r
+ tableRow.addView(column2, layoutParams);\r
+\r
+ column1.setWidth(1);\r
+ column2.setWidth(1);\r
+\r
+ // TODO: color words by gender\r
+ final String col1Text = index.swapPairEntries ? entry.pairs[r].lang2 : entry.pairs[r].lang1;\r
+ column1.setText(col1Text, TextView.BufferType.SPANNABLE);\r
+ final Spannable col1Spannable = (Spannable) column1.getText();\r
+ \r
+ int startPos = 0;\r
+ final String token = row.getTokenRow(true).getToken();\r
+ while ((startPos = col1Text.indexOf(token, startPos)) != -1) {\r
+ col1Spannable.setSpan(new StyleSpan(Typeface.BOLD), startPos,\r
+ startPos + token.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);\r
+ startPos += token.length();\r
+ }\r
+\r
+ final String col2Text = index.swapPairEntries ? entry.pairs[r].lang1 : entry.pairs[r].lang2;\r
+ column2.setText(col2Text, TextView.BufferType.NORMAL);\r
+\r
+ result.addView(tableRow);\r
+ }\r
+\r
+ return result;\r
+ }\r
+\r
+ private View getView(TokenRow row, ViewGroup parent) {\r
+ final TextView textView = new TextView(parent.getContext());\r
+ textView.setText(row.getToken());\r
+ textView.setTextSize(20);\r
+ return textView;\r
+ }\r
+ \r
+ }\r
+\r
+ // --------------------------------------------------------------------------\r
+ // SearchText\r
+ // --------------------------------------------------------------------------\r
+\r
+ void onSearchTextChange(final String searchText) {\r
+ Log.d(LOG, "onSearchTextChange: " + searchText);\r
+ if (currentSearchOperation != null) {\r
+ currentSearchOperation.interrupted.set(true);\r
+ }\r
+ currentSearchOperation = new SearchOperation(searchText, index);\r
+ searchExecutor.execute(currentSearchOperation);\r
+ }\r
+ \r
+ private class SearchTextWatcher implements TextWatcher {\r
+ public void afterTextChanged(final Editable searchTextEditable) {\r
+ Log.d(LOG, "Search text changed: " + searchText.getText());\r
+ if (searchText.hasFocus()) {\r
+ // If they were typing to cause the change, update the UI.\r
+ onSearchTextChange(searchText.getText().toString());\r
+ }\r
+ }\r
+\r
+ public void beforeTextChanged(CharSequence arg0, int arg1, int arg2,\r
+ int arg3) {\r
+ }\r
+\r
+ public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {\r
+ }\r
+ }\r
+\r
+}\r
projects / Dictionary.git / blobdiff