1 /* 2 * Copyright (C) 2011 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 17 package com.android.settings.inputmethod; 18 19 import com.android.settings.R; 20 import com.android.settings.SettingsPreferenceFragment; 21 22 import android.content.Context; 23 import android.content.Intent; 24 import android.preference.CheckBoxPreference; 25 import android.util.AttributeSet; 26 import android.view.View; 27 import android.view.View.OnClickListener; 28 import android.widget.ImageView; 29 import android.widget.TextView; 30 31 public class CheckBoxAndSettingsPreference extends CheckBoxPreference { 32 private static final float DISABLED_ALPHA = 0.4f; 33 34 private SettingsPreferenceFragment mFragment; 35 private TextView mTitleText; 36 private TextView mSummaryText; 37 private View mCheckBox; 38 private ImageView mSetingsButton; 39 private Intent mSettingsIntent; 40 41 public CheckBoxAndSettingsPreference(Context context, AttributeSet attrs) { 42 super(context, attrs); 43 setLayoutResource(R.layout.preference_inputmethod); 44 setWidgetLayoutResource(R.layout.preference_inputmethod_widget); 45 } 46 47 @Override 48 protected void onBindView(View view) { 49 super.onBindView(view); 50 mCheckBox = view.findViewById(R.id.inputmethod_pref); 51 mCheckBox.setOnClickListener( 52 new OnClickListener() { 53 @Override 54 public void onClick(View arg0) { 55 onCheckBoxClicked(); 56 } 57 }); 58 mSetingsButton = (ImageView)view.findViewById(R.id.inputmethod_settings); 59 mTitleText = (TextView)view.findViewById(android.R.id.title); 60 mSummaryText = (TextView)view.findViewById(android.R.id.summary); 61 mSetingsButton.setOnClickListener( 62 new OnClickListener() { 63 @Override 64 public void onClick(View arg0) { 65 onSettingsButtonClicked(arg0); 66 } 67 }); 68 enableSettingsButton(); 69 } 70 71 72 @Override 73 public void setEnabled(boolean enabled) { 74 super.setEnabled(enabled); 75 enableSettingsButton(); 76 } 77 78 public void setFragmentIntent(SettingsPreferenceFragment fragment, Intent intent) { 79 mFragment = fragment; 80 mSettingsIntent = intent; 81 } 82 83 protected void onCheckBoxClicked() { 84 if (isChecked()) { 85 setChecked(false); 86 } else { 87 setChecked(true); 88 } 89 } 90 91 protected void onSettingsButtonClicked(View arg0) { 92 if (mFragment != null && mSettingsIntent != null) { 93 mFragment.startActivity(mSettingsIntent); 94 } 95 } 96 97 private void enableSettingsButton() { 98 if (mSetingsButton != null) { 99 if (mSettingsIntent == null) { 100 mSetingsButton.setVisibility(View.GONE); 101 } else { 102 final boolean checked = isChecked(); 103 mSetingsButton.setEnabled(checked); 104 mSetingsButton.setClickable(checked); 105 mSetingsButton.setFocusable(checked); 106 if (!checked) { 107 mSetingsButton.setAlpha(DISABLED_ALPHA); 108 } 109 } 110 } 111 if (mTitleText != null) { 112 mTitleText.setEnabled(true); 113 } 114 if (mSummaryText != null) { 115 mSummaryText.setEnabled(true); 116 } 117 } 118 } 119