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97 changes: 97 additions & 0 deletions
97
app/src/main/java/ca/rmen/android/poetassistant/main/WarningNoSpaceDialogFragment.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| /* | ||
| * Copyright (c) 2016 Carmen Alvarez | ||
| * | ||
| * This file is part of Poet Assistant. | ||
| * | ||
| * Poet Assistant is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * Poet Assistant is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with Poet Assistant. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
||
| package ca.rmen.android.poetassistant.main; | ||
|
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| import android.app.Dialog; | ||
| import android.content.Context; | ||
| import android.content.DialogInterface; | ||
| import android.content.DialogInterface.OnClickListener; | ||
| import android.os.Bundle; | ||
| import android.support.annotation.NonNull; | ||
| import android.support.v4.app.DialogFragment; | ||
| import android.support.v4.app.Fragment; | ||
| import android.support.v7.app.AlertDialog; | ||
| import android.util.Log; | ||
|
|
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| import ca.rmen.android.poetassistant.Constants; | ||
| import ca.rmen.android.poetassistant.R; | ||
|
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|
|
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| /** | ||
| * Shows a dialog with a title, message, and ok button. | ||
| * The activity or fragment which adds this dialog should implement the | ||
| * WarningDialogListener interface. | ||
| */ | ||
| public class WarningNoSpaceDialogFragment extends DialogFragment { | ||
|
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| private static final String TAG = Constants.TAG + WarningNoSpaceDialogFragment.class.getSimpleName(); | ||
|
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| public interface WarningNoSpaceDialogListener { | ||
| void onWarningNoSpaceDialogDismissed(); | ||
| } | ||
|
|
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| /** | ||
| * @return a Dialog with a title, message and ok button. | ||
| */ | ||
| @Override | ||
| @NonNull | ||
| public Dialog onCreateDialog(Bundle savedInstanceState) { | ||
| Log.v(TAG, "onCreateDialog: savedInstanceState = " + savedInstanceState); | ||
| Context context = getActivity(); | ||
|
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| OnClickListener positiveListener = new OnClickListener() { | ||
| @Override | ||
| public void onClick(DialogInterface dialog, int which) { | ||
| notifyListener(); | ||
| } | ||
| }; | ||
|
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| DialogInterface.OnDismissListener dismissListener = new DialogInterface.OnDismissListener() { | ||
| @Override | ||
| public void onDismiss(DialogInterface dialog) { | ||
| notifyListener(); | ||
| } | ||
| }; | ||
|
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| Dialog dialog = new AlertDialog.Builder(context) | ||
| .setTitle(context.getString(R.string.warning_no_space_title)) | ||
| .setMessage(context.getString(R.string.warning_no_space_message)) | ||
| .setPositiveButton(android.R.string.ok, positiveListener) | ||
| .setOnDismissListener(dismissListener) | ||
| .create(); | ||
| dialog.setOnDismissListener(dismissListener); | ||
| return dialog; | ||
| } | ||
|
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| private void notifyListener() { | ||
| Fragment parentFragment = getParentFragment(); | ||
| if (parentFragment instanceof WarningNoSpaceDialogListener) { | ||
| ((WarningNoSpaceDialogListener) parentFragment).onWarningNoSpaceDialogDismissed(); | ||
| } else if (getActivity() instanceof WarningNoSpaceDialogListener) { | ||
| ((WarningNoSpaceDialogListener) getActivity()).onWarningNoSpaceDialogDismissed(); | ||
| } | ||
| } | ||
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| @Override | ||
| public void onDismiss(DialogInterface dialog) { | ||
| super.onDismiss(dialog); | ||
| notifyListener(); | ||
| } | ||
| } |
115 changes: 115 additions & 0 deletions
115
app/src/main/java/ca/rmen/android/poetassistant/main/dictionaries/DbHelper.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,115 @@ | ||
| /* | ||
| * Copyright (c) 2016 Carmen Alvarez | ||
| * | ||
| * This file is part of Poet Assistant. | ||
| * | ||
| * Poet Assistant is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * Poet Assistant is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with Poet Assistant. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
|
|
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| package ca.rmen.android.poetassistant.main.dictionaries; | ||
|
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| import android.content.Context; | ||
| import android.database.sqlite.SQLiteDatabase; | ||
| import android.database.sqlite.SQLiteException; | ||
| import android.util.Log; | ||
|
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| import java.io.File; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
|
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| import ca.rmen.android.poetassistant.Constants; | ||
|
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| public class DbHelper { | ||
| private static final String TAG = Constants.TAG + DbHelper.class.getSimpleName(); | ||
|
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| private final Context mContext; | ||
| private final String mDbName; | ||
| private final int mVersion; | ||
| private SQLiteDatabase mDb; | ||
| private final Object mLock = new Object(); | ||
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| public DbHelper(Context context, String dbName, int version) { | ||
| mContext = context; | ||
| mDbName = dbName; | ||
| mVersion = version; | ||
| } | ||
|
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| public SQLiteDatabase getDb() { | ||
| open(); | ||
| return mDb; | ||
| } | ||
|
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| private void open() { | ||
| synchronized (mLock) { | ||
| if (mDb == null) { | ||
| Log.v(TAG, "Open db " + mDbName + ":" + mVersion); | ||
| copyDb(); | ||
| String dbFile = getDbFileName(mVersion); | ||
| File dbPath = new File(mContext.getDir("databases", Context.MODE_PRIVATE), dbFile); | ||
| try { | ||
| mDb = SQLiteDatabase.openDatabase(dbPath.getAbsolutePath(), null, SQLiteDatabase.OPEN_READONLY); | ||
| } catch (SQLiteException e) { | ||
| Log.w(TAG, "Could not open database " + mDbName + ":" + mVersion + ": " + e.getMessage(), e); | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
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| private void copyDb() { | ||
| String dbFileName = getDbFileName(mVersion); | ||
| File dbPath = getDbFile(dbFileName); | ||
| if (!dbPath.exists()) { | ||
| Log.v(TAG, dbPath + " not found"); | ||
| for (int i = 0; i < mVersion; i++) { | ||
| deleteDb(i); | ||
| } | ||
|
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| try { | ||
| InputStream is = mContext.getAssets().open(dbFileName); | ||
| FileOutputStream os = new FileOutputStream(dbPath); | ||
| byte[] buffer = new byte[1024]; | ||
| int read = is.read(buffer); | ||
| while (read > 0) { | ||
| os.write(buffer, 0, read); | ||
| read = is.read(buffer); | ||
| } | ||
| Log.v(TAG, "wrote " + dbPath); | ||
| } catch (IOException e) { | ||
| Log.e(TAG, "Error writing to " + dbPath + ": " + e.getMessage(), e); | ||
| deleteDb(mVersion); | ||
| } | ||
| } | ||
| } | ||
|
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| private String getDbFileName(int version) { | ||
| if (version == 1) return mDbName + ".db"; | ||
| return mDbName + version + ".db"; | ||
| } | ||
|
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| private void deleteDb(int version) { | ||
| String dbFileName = getDbFileName(version); | ||
| File dbPath = getDbFile(dbFileName); | ||
| if (dbPath.exists()) { | ||
| boolean deleted = dbPath.delete(); | ||
| Log.v(TAG, "dbDelete: deletion of " + dbPath.getAbsolutePath() + ": " + deleted); | ||
| } | ||
| } | ||
|
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| private File getDbFile(String filename) { | ||
| File dbDir = mContext.getDir("databases", Context.MODE_PRIVATE); | ||
| return new File(dbDir, filename); | ||
| } | ||
|
|
||
| } |
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