The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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.calculator2; |
| 18 | |
| 19 | import android.app.Activity; |
| 20 | import android.os.Bundle; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 21 | import android.util.Config; |
Dmitri Plotnikov | 9476df2 | 2011-01-17 14:46:51 -0800 | [diff] [blame] | 22 | import android.util.Log; |
| 23 | import android.view.KeyEvent; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 24 | import android.view.Menu; |
| 25 | import android.view.MenuItem; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 26 | import android.view.View; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 27 | |
Dmitri Plotnikov | 2501811 | 2011-01-17 16:32:39 -0800 | [diff] [blame^] | 28 | public class Calculator extends Activity implements PanelSwitcher.Listener, Logic.Listener { |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 29 | EventListener mListener = new EventListener(); |
| 30 | private CalculatorDisplay mDisplay; |
| 31 | private Persist mPersist; |
| 32 | private History mHistory; |
| 33 | private Logic mLogic; |
| 34 | private PanelSwitcher mPanelSwitcher; |
Dmitri Plotnikov | 2501811 | 2011-01-17 16:32:39 -0800 | [diff] [blame^] | 35 | private View mClearButton; |
| 36 | private View mBackspaceButton; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 37 | |
| 38 | private static final int CMD_CLEAR_HISTORY = 1; |
| 39 | private static final int CMD_BASIC_PANEL = 2; |
| 40 | private static final int CMD_ADVANCED_PANEL = 3; |
| 41 | |
| 42 | static final int BASIC_PANEL = 0; |
| 43 | static final int ADVANCED_PANEL = 1; |
| 44 | |
| 45 | private static final String LOG_TAG = "Calculator"; |
| 46 | private static final boolean DEBUG = false; |
| 47 | private static final boolean LOG_ENABLED = DEBUG ? Config.LOGD : Config.LOGV; |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 48 | private static final String STATE_CURRENT_VIEW = "state-current-view"; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 49 | |
| 50 | @Override |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 51 | public void onCreate(Bundle state) { |
| 52 | super.onCreate(state); |
Jeff Hamilton | 0c464d2 | 2009-04-11 01:54:05 -0700 | [diff] [blame] | 53 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 54 | setContentView(R.layout.main); |
| 55 | |
| 56 | mPersist = new Persist(this); |
Dmitri Plotnikov | 2501811 | 2011-01-17 16:32:39 -0800 | [diff] [blame^] | 57 | mPersist.load(); |
| 58 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 59 | mHistory = mPersist.history; |
| 60 | |
| 61 | mDisplay = (CalculatorDisplay) findViewById(R.id.display); |
| 62 | |
Dmitri Plotnikov | 2501811 | 2011-01-17 16:32:39 -0800 | [diff] [blame^] | 63 | mClearButton = findViewById(R.id.clear); |
| 64 | mClearButton.setOnClickListener(mListener); |
| 65 | mClearButton.setOnLongClickListener(mListener); |
| 66 | |
| 67 | mBackspaceButton = findViewById(R.id.del); |
| 68 | mBackspaceButton.setOnClickListener(mListener); |
| 69 | mBackspaceButton.setOnLongClickListener(mListener); |
| 70 | |
| 71 | mLogic = new Logic(this, mHistory, mDisplay); |
| 72 | mLogic.setListener(this); |
| 73 | |
| 74 | mLogic.setDeleteMode(mPersist.getDeleteMode()); |
| 75 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 76 | HistoryAdapter historyAdapter = new HistoryAdapter(this, mHistory, mLogic); |
| 77 | mHistory.setObserver(historyAdapter); |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 78 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 79 | mPanelSwitcher = (PanelSwitcher) findViewById(R.id.panelswitch); |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame] | 80 | if (mPanelSwitcher != null) { |
| 81 | mPanelSwitcher.setCurrentIndex(state==null ? 0 : state.getInt(STATE_CURRENT_VIEW, 0)); |
| 82 | mPanelSwitcher.setListener(this); |
| 83 | } |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 84 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 85 | mListener.setHandler(mLogic, mPanelSwitcher); |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 86 | mDisplay.setOnKeyListener(mListener); |
| 87 | |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame] | 88 | setOnClickListener(R.id.digit0); |
| 89 | setOnClickListener(R.id.digit1); |
| 90 | setOnClickListener(R.id.digit2); |
| 91 | setOnClickListener(R.id.digit3); |
| 92 | setOnClickListener(R.id.digit4); |
| 93 | setOnClickListener(R.id.digit5); |
| 94 | setOnClickListener(R.id.digit6); |
| 95 | setOnClickListener(R.id.digit7); |
| 96 | setOnClickListener(R.id.digit8); |
| 97 | setOnClickListener(R.id.digit9); |
| 98 | setOnClickListener(R.id.dot); |
| 99 | |
| 100 | setOnClickListener(R.id.plus); |
| 101 | setOnClickListener(R.id.minus); |
| 102 | setOnClickListener(R.id.div); |
| 103 | setOnClickListener(R.id.mul); |
| 104 | setOnClickListener(R.id.leftParen); |
| 105 | setOnClickListener(R.id.rightParen); |
| 106 | setOnClickListener(R.id.equal); |
| 107 | |
| 108 | setOnClickListener(R.id.sin); |
| 109 | setOnClickListener(R.id.ln); |
| 110 | setOnClickListener(R.id.cos); |
| 111 | setOnClickListener(R.id.lg); |
| 112 | setOnClickListener(R.id.tan); |
| 113 | setOnClickListener(R.id.e); |
| 114 | setOnClickListener(R.id.pi); |
| 115 | setOnClickListener(R.id.power); |
| 116 | setOnClickListener(R.id.factorial); |
| 117 | setOnClickListener(R.id.sqrt); |
| 118 | |
Dmitri Plotnikov | 2501811 | 2011-01-17 16:32:39 -0800 | [diff] [blame^] | 119 | updateDeleteMode(); |
| 120 | } |
| 121 | |
| 122 | private void updateDeleteMode() { |
| 123 | if (mLogic.getDeleteMode() == Logic.DELETE_MODE_BACKSPACE) { |
| 124 | mClearButton.setVisibility(View.GONE); |
| 125 | mBackspaceButton.setVisibility(View.VISIBLE); |
| 126 | } else { |
| 127 | mClearButton.setVisibility(View.VISIBLE); |
| 128 | mBackspaceButton.setVisibility(View.GONE); |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 129 | } |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 130 | } |
| 131 | |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame] | 132 | private void setOnClickListener(int id) { |
| 133 | findViewById(id).setOnClickListener(mListener); |
| 134 | } |
| 135 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 136 | @Override |
| 137 | public boolean onCreateOptionsMenu(Menu menu) { |
| 138 | super.onCreateOptionsMenu(menu); |
| 139 | MenuItem item; |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 140 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 141 | item = menu.add(0, CMD_CLEAR_HISTORY, 0, R.string.clear_history); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 142 | item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT); |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 143 | item.setIcon(R.drawable.clear_history); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 144 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 145 | item = menu.add(0, CMD_ADVANCED_PANEL, 0, R.string.advanced); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 146 | item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT); |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 147 | item.setIcon(R.drawable.advanced); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 148 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 149 | item = menu.add(0, CMD_BASIC_PANEL, 0, R.string.basic); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 150 | item.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT); |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 151 | item.setIcon(R.drawable.simple); |
| 152 | |
| 153 | return true; |
| 154 | } |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 155 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 156 | @Override |
| 157 | public boolean onPrepareOptionsMenu(Menu menu) { |
| 158 | super.onPrepareOptionsMenu(menu); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 159 | menu.findItem(CMD_BASIC_PANEL).setVisible(mPanelSwitcher != null && |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 160 | mPanelSwitcher.getCurrentIndex() == ADVANCED_PANEL); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 161 | |
| 162 | menu.findItem(CMD_ADVANCED_PANEL).setVisible(mPanelSwitcher != null && |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 163 | mPanelSwitcher.getCurrentIndex() == BASIC_PANEL); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 164 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 165 | return true; |
| 166 | } |
| 167 | |
| 168 | @Override |
| 169 | public boolean onOptionsItemSelected(MenuItem item) { |
| 170 | switch (item.getItemId()) { |
| 171 | case CMD_CLEAR_HISTORY: |
| 172 | mHistory.clear(); |
| 173 | break; |
| 174 | |
| 175 | case CMD_BASIC_PANEL: |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 176 | if (mPanelSwitcher != null && |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 177 | mPanelSwitcher.getCurrentIndex() == ADVANCED_PANEL) { |
| 178 | mPanelSwitcher.moveRight(); |
| 179 | } |
| 180 | break; |
| 181 | |
| 182 | case CMD_ADVANCED_PANEL: |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 183 | if (mPanelSwitcher != null && |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 184 | mPanelSwitcher.getCurrentIndex() == BASIC_PANEL) { |
| 185 | mPanelSwitcher.moveLeft(); |
| 186 | } |
| 187 | break; |
| 188 | } |
| 189 | return super.onOptionsItemSelected(item); |
| 190 | } |
| 191 | |
| 192 | @Override |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 193 | protected void onSaveInstanceState(Bundle state) { |
| 194 | super.onSaveInstanceState(state); |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame] | 195 | if (mPanelSwitcher != null) { |
| 196 | state.putInt(STATE_CURRENT_VIEW, mPanelSwitcher.getCurrentIndex()); |
| 197 | } |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 198 | } |
| 199 | |
| 200 | @Override |
| 201 | public void onPause() { |
| 202 | super.onPause(); |
| 203 | mLogic.updateHistory(); |
Dmitri Plotnikov | 2501811 | 2011-01-17 16:32:39 -0800 | [diff] [blame^] | 204 | mPersist.setDeleteMode(mLogic.getDeleteMode()); |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 205 | mPersist.save(); |
| 206 | } |
| 207 | |
Mihai Preda | bcabcbb | 2009-08-05 17:07:31 +0200 | [diff] [blame] | 208 | @Override |
| 209 | public boolean onKeyDown(int keyCode, KeyEvent keyEvent) { |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 210 | if (keyCode == KeyEvent.KEYCODE_BACK |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame] | 211 | && mPanelSwitcher != null && mPanelSwitcher.getCurrentIndex() == ADVANCED_PANEL) { |
Mihai Preda | bcabcbb | 2009-08-05 17:07:31 +0200 | [diff] [blame] | 212 | mPanelSwitcher.moveRight(); |
| 213 | return true; |
| 214 | } else { |
| 215 | return super.onKeyDown(keyCode, keyEvent); |
| 216 | } |
| 217 | } |
| 218 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 219 | static void log(String message) { |
| 220 | if (LOG_ENABLED) { |
| 221 | Log.v(LOG_TAG, message); |
| 222 | } |
| 223 | } |
Jacek Surazski | 1d31175 | 2009-08-25 17:33:12 +0200 | [diff] [blame] | 224 | |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 225 | @Override |
| 226 | public void onChange() { |
| 227 | invalidateOptionsMenu(); |
| 228 | } |
Dmitri Plotnikov | 2501811 | 2011-01-17 16:32:39 -0800 | [diff] [blame^] | 229 | |
| 230 | @Override |
| 231 | public void onDeleteModeChange() { |
| 232 | updateDeleteMode(); |
| 233 | } |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 234 | } |