Android Open Source - xposed-keyboard-tweaks Dictionary Words List Activity

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License

The source code is released under:

Apache License

Java Source Code

package ca.spacek.gkdd;
//from  w w w .jav a 2 s. c  o m
import android.app.AlertDialog;
import android.app.ListActivity;
import android.app.LoaderManager.LoaderCallbacks;
import android.content.ContentValues;
import android.content.Context;
import android.content.CursorLoader;
import android.content.DialogInterface;
import android.content.Loader;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.text.Editable;
import android.text.InputType;
import android.util.Log;
import android.view.ContextMenu;
import android.view.ContextMenu.ContextMenuInfo;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.WindowManager;
import android.view.inputmethod.InputMethodManager;
import android.widget.AdapterView.AdapterContextMenuInfo;
import android.widget.EditText;
import android.widget.SimpleCursorAdapter;

import ca.spacek.gkdd.contentprovider.DictionaryWordContentProvider;
import ca.spacek.gkdd.data.DictionaryWordTable;

public class DictionaryWordsListActivity extends ListActivity implements
        LoaderCallbacks<Cursor> {
    // Seems like a weird way to define this
    private static final int DELETE_ID = Menu.FIRST + 1;

    private SimpleCursorAdapter adapter;
    private AlertDialog addWordDialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dictionary_words_list);
        fillData();
        createDialog();
        registerForContextMenu(getListView());
    }

    private void createDialog() {
        AlertDialog.Builder builder = new AlertDialog.Builder(this);
        builder.setTitle("Enter word");

        final EditText input = new EditText(this);
        input.setInputType(InputType.TYPE_CLASS_TEXT);
        builder.setView(input);

        // Set up the buttons
        builder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                ContentValues values = new ContentValues();
                Editable text = input.getText();
                if (text == null) {
                    Log.e("blacklist", "Can't insert blacklist word, input.getText() was null");
                    return;
                }

                text.clear();
                values.put(DictionaryWordTable.COLUMN_WORD, text.toString());
                getContentResolver().insert(DictionaryWordContentProvider.CONTENT_URI, values);
            }
        });
        builder.setNegativeButton("Cancel",
                new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Editable text = input.getText();
                        if (text != null) {
                            text.clear();
                        }
                        dialog.cancel();
                    }
                }
        );

        addWordDialog = builder.create();
    }

    private void fillData() {
        String[] from = new String[]{DictionaryWordTable.COLUMN_WORD};
        int[] to = new int[]{R.id.label};

        getLoaderManager().initLoader(0, null, this);
        adapter = new SimpleCursorAdapter(this, R.layout.dictionary_word_row,
                null, from, to, 0);

        setListAdapter(adapter);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        getMenuInflater().inflate(R.menu.dictionary_words_list, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case R.id.add:
                addWord();
                return true;
        }
        return super.onOptionsItemSelected(item);
    }

    private void addWord() {
        addWordDialog.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
        addWordDialog.show();
    }

    @Override
    public void onCreateContextMenu(ContextMenu menu, View v,
                                    ContextMenuInfo menuInfo) {
        super.onCreateContextMenu(menu, v, menuInfo);
        menu.add(0, DELETE_ID, 0, R.string.delete_dictionary_word);
    }

    @Override
    public boolean onContextItemSelected(MenuItem item) {
        switch (item.getItemId()) {
            case DELETE_ID:
                AdapterContextMenuInfo info = (AdapterContextMenuInfo) item
                        .getMenuInfo();
                if (info != null) {
                    Uri uri = Uri.parse(DictionaryWordContentProvider.CONTENT_URI + "/"
                            + info.id);
                    getContentResolver().delete(uri, null, null);
                    fillData();
                    return true;
                }
        }
        return super.onContextItemSelected(item);
    }

    @Override
    public Loader<Cursor> onCreateLoader(int id, Bundle args) {
        String[] projection = {DictionaryWordTable.COLUMN_ID,
                DictionaryWordTable.COLUMN_WORD};
        return new CursorLoader(this,
                DictionaryWordContentProvider.CONTENT_URI, projection, null,
                null, null);
    }

    @Override
    public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
        adapter.swapCursor(data);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> loader) {
        // data is not available anymore, delete reference
        adapter.swapCursor(null);
    }
}

Java Source Code List

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