| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * 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 android.text.method; |
| |
| import android.app.Dialog; |
| import android.content.Context; |
| import android.os.Bundle; |
| import android.text.Editable; |
| import android.text.Selection; |
| import android.view.LayoutInflater; |
| import android.view.View; |
| import android.view.View.OnClickListener; |
| import android.view.ViewGroup; |
| import android.view.Window; |
| import android.view.WindowManager; |
| import android.widget.AdapterView; |
| import android.widget.AdapterView.OnItemClickListener; |
| import android.widget.BaseAdapter; |
| import android.widget.Button; |
| import android.widget.GridView; |
| |
| import com.android.internal.R; |
| |
| /** |
| * Dialog for choosing accented characters related to a base character. |
| */ |
| public class CharacterPickerDialog extends Dialog |
| implements OnItemClickListener, OnClickListener { |
| private View mView; |
| private Editable mText; |
| private String mOptions; |
| private boolean mInsert; |
| private LayoutInflater mInflater; |
| private Button mCancelButton; |
| |
| /** |
| * Creates a new CharacterPickerDialog that presents the specified |
| * <code>options</code> for insertion or replacement (depending on |
| * the sense of <code>insert</code>) into <code>text</code>. |
| */ |
| public CharacterPickerDialog(Context context, View view, |
| Editable text, String options, |
| boolean insert) { |
| super(context, com.android.internal.R.style.Theme_Panel); |
| |
| mView = view; |
| mText = text; |
| mOptions = options; |
| mInsert = insert; |
| mInflater = LayoutInflater.from(context); |
| } |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| WindowManager.LayoutParams params = getWindow().getAttributes(); |
| params.token = mView.getApplicationWindowToken(); |
| params.type = params.TYPE_APPLICATION_ATTACHED_DIALOG; |
| params.flags = params.flags | Window.FEATURE_NO_TITLE; |
| |
| setContentView(R.layout.character_picker); |
| |
| GridView grid = (GridView) findViewById(R.id.characterPicker); |
| grid.setAdapter(new OptionsAdapter(getContext())); |
| grid.setOnItemClickListener(this); |
| |
| mCancelButton = (Button) findViewById(R.id.cancel); |
| mCancelButton.setOnClickListener(this); |
| } |
| |
| /** |
| * Handles clicks on the character buttons. |
| */ |
| public void onItemClick(AdapterView parent, View view, int position, long id) { |
| String result = String.valueOf(mOptions.charAt(position)); |
| replaceCharacterAndClose(result); |
| } |
| |
| private void replaceCharacterAndClose(CharSequence replace) { |
| int selEnd = Selection.getSelectionEnd(mText); |
| if (mInsert || selEnd == 0) { |
| mText.insert(selEnd, replace); |
| } else { |
| mText.replace(selEnd - 1, selEnd, replace); |
| } |
| |
| dismiss(); |
| } |
| |
| /** |
| * Handles clicks on the Cancel button. |
| */ |
| public void onClick(View v) { |
| if (v == mCancelButton) { |
| dismiss(); |
| } else if (v instanceof Button) { |
| CharSequence result = ((Button) v).getText(); |
| replaceCharacterAndClose(result); |
| } |
| } |
| |
| private class OptionsAdapter extends BaseAdapter { |
| |
| public OptionsAdapter(Context context) { |
| super(); |
| } |
| |
| public View getView(int position, View convertView, ViewGroup parent) { |
| Button b = (Button) |
| mInflater.inflate(R.layout.character_picker_button, null); |
| b.setText(String.valueOf(mOptions.charAt(position))); |
| b.setOnClickListener(CharacterPickerDialog.this); |
| return b; |
| } |
| |
| public final int getCount() { |
| return mOptions.length(); |
| } |
| |
| public final Object getItem(int position) { |
| return String.valueOf(mOptions.charAt(position)); |
| } |
| |
| public final long getItemId(int position) { |
| return position; |
| } |
| } |
| } |