1 /* 2 * Copyright (C) 2010 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.quicksearchbox.ui; 17 18 import android.content.Context; 19 import android.util.AttributeSet; 20 import android.util.Log; 21 import android.view.inputmethod.CompletionInfo; 22 import android.view.inputmethod.InputMethodManager; 23 import android.widget.EditText; 24 25 /** 26 * The query text field. 27 */ 28 public class QueryTextView extends EditText { 29 30 private static final boolean DBG = false; 31 private static final String TAG = "QSB.QueryTextView"; 32 33 private CommitCompletionListener mCommitCompletionListener; 34 QueryTextView(Context context, AttributeSet attrs, int defStyle)35 public QueryTextView(Context context, AttributeSet attrs, int defStyle) { 36 super(context, attrs, defStyle); 37 } 38 QueryTextView(Context context, AttributeSet attrs)39 public QueryTextView(Context context, AttributeSet attrs) { 40 super(context, attrs); 41 } 42 QueryTextView(Context context)43 public QueryTextView(Context context) { 44 super(context); 45 } 46 47 /** 48 * Sets the text selection in the query text view. 49 * 50 * @param selectAll If {@code true}, selects the entire query. 51 * If {@false}, no characters are selected, and the cursor is placed 52 * at the end of the query. 53 */ setTextSelection(boolean selectAll)54 public void setTextSelection(boolean selectAll) { 55 if (selectAll) { 56 selectAll(); 57 } else { 58 setSelection(length()); 59 } 60 } 61 replaceText(CharSequence text)62 protected void replaceText(CharSequence text) { 63 clearComposingText(); 64 setText(text); 65 setTextSelection(false); 66 } 67 setCommitCompletionListener(CommitCompletionListener listener)68 public void setCommitCompletionListener(CommitCompletionListener listener) { 69 mCommitCompletionListener = listener; 70 } 71 getInputMethodManager()72 private InputMethodManager getInputMethodManager() { 73 return (InputMethodManager) getContext().getSystemService(Context.INPUT_METHOD_SERVICE); 74 } 75 showInputMethod()76 public void showInputMethod() { 77 InputMethodManager imm = getInputMethodManager(); 78 if (imm != null) { 79 imm.showSoftInput(this, 0); 80 } 81 } 82 hideInputMethod()83 public void hideInputMethod() { 84 InputMethodManager imm = getInputMethodManager(); 85 if (imm != null) { 86 imm.hideSoftInputFromWindow(getWindowToken(), 0); 87 } 88 } 89 90 @Override onCommitCompletion(CompletionInfo completion)91 public void onCommitCompletion(CompletionInfo completion) { 92 if (DBG) Log.d(TAG, "onCommitCompletion(" + completion + ")"); 93 hideInputMethod(); 94 replaceText(completion.getText()); 95 if (mCommitCompletionListener != null) { 96 mCommitCompletionListener.onCommitCompletion(completion.getPosition()); 97 } 98 } 99 100 public interface CommitCompletionListener { onCommitCompletion(int position)101 void onCommitCompletion(int position); 102 } 103 104 } 105