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; |
| 21 | import android.util.Log; |
| 22 | import android.util.Config; |
Jacek Surazski | 1d31175 | 2009-08-25 17:33:12 +0200 | [diff] [blame] | 23 | import android.util.TypedValue; |
| 24 | import android.view.Display; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 25 | import android.view.Menu; |
| 26 | import android.view.MenuItem; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 27 | import android.view.View; |
Mihai Preda | bcabcbb | 2009-08-05 17:07:31 +0200 | [diff] [blame] | 28 | import android.view.KeyEvent; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 29 | import android.widget.Button; |
Jacek Surazski | 1d31175 | 2009-08-25 17:33:12 +0200 | [diff] [blame] | 30 | import android.widget.TextView; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 31 | |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 32 | public class Calculator extends Activity implements PanelSwitcher.Listener { |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 33 | EventListener mListener = new EventListener(); |
| 34 | private CalculatorDisplay mDisplay; |
| 35 | private Persist mPersist; |
| 36 | private History mHistory; |
| 37 | private Logic mLogic; |
| 38 | private PanelSwitcher mPanelSwitcher; |
| 39 | |
| 40 | private static final int CMD_CLEAR_HISTORY = 1; |
| 41 | private static final int CMD_BASIC_PANEL = 2; |
| 42 | private static final int CMD_ADVANCED_PANEL = 3; |
| 43 | |
Mihai Preda | e08c830 | 2009-09-22 14:53:16 +0200 | [diff] [blame] | 44 | private static final int HVGA_WIDTH_PIXELS = 320; |
Jacek Surazski | 1d31175 | 2009-08-25 17:33:12 +0200 | [diff] [blame] | 45 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 46 | static final int BASIC_PANEL = 0; |
| 47 | static final int ADVANCED_PANEL = 1; |
| 48 | |
| 49 | private static final String LOG_TAG = "Calculator"; |
| 50 | private static final boolean DEBUG = false; |
| 51 | private static final boolean LOG_ENABLED = DEBUG ? Config.LOGD : Config.LOGV; |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 52 | 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] | 53 | |
| 54 | @Override |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 55 | public void onCreate(Bundle state) { |
| 56 | super.onCreate(state); |
Jeff Hamilton | 0c464d2 | 2009-04-11 01:54:05 -0700 | [diff] [blame] | 57 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 58 | setContentView(R.layout.main); |
| 59 | |
| 60 | mPersist = new Persist(this); |
| 61 | mHistory = mPersist.history; |
| 62 | |
| 63 | mDisplay = (CalculatorDisplay) findViewById(R.id.display); |
| 64 | |
| 65 | mLogic = new Logic(this, mHistory, mDisplay, (Button) findViewById(R.id.equal)); |
| 66 | HistoryAdapter historyAdapter = new HistoryAdapter(this, mHistory, mLogic); |
| 67 | mHistory.setObserver(historyAdapter); |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 68 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 69 | mPanelSwitcher = (PanelSwitcher) findViewById(R.id.panelswitch); |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame^] | 70 | if (mPanelSwitcher != null) { |
| 71 | mPanelSwitcher.setCurrentIndex(state==null ? 0 : state.getInt(STATE_CURRENT_VIEW, 0)); |
| 72 | mPanelSwitcher.setListener(this); |
| 73 | } |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 74 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 75 | mListener.setHandler(mLogic, mPanelSwitcher); |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 76 | mDisplay.setOnKeyListener(mListener); |
| 77 | |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame^] | 78 | setOnClickListener(R.id.digit0); |
| 79 | setOnClickListener(R.id.digit1); |
| 80 | setOnClickListener(R.id.digit2); |
| 81 | setOnClickListener(R.id.digit3); |
| 82 | setOnClickListener(R.id.digit4); |
| 83 | setOnClickListener(R.id.digit5); |
| 84 | setOnClickListener(R.id.digit6); |
| 85 | setOnClickListener(R.id.digit7); |
| 86 | setOnClickListener(R.id.digit8); |
| 87 | setOnClickListener(R.id.digit9); |
| 88 | setOnClickListener(R.id.dot); |
| 89 | |
| 90 | setOnClickListener(R.id.plus); |
| 91 | setOnClickListener(R.id.minus); |
| 92 | setOnClickListener(R.id.div); |
| 93 | setOnClickListener(R.id.mul); |
| 94 | setOnClickListener(R.id.leftParen); |
| 95 | setOnClickListener(R.id.rightParen); |
| 96 | setOnClickListener(R.id.equal); |
| 97 | |
| 98 | setOnClickListener(R.id.sin); |
| 99 | setOnClickListener(R.id.ln); |
| 100 | setOnClickListener(R.id.cos); |
| 101 | setOnClickListener(R.id.lg); |
| 102 | setOnClickListener(R.id.tan); |
| 103 | setOnClickListener(R.id.e); |
| 104 | setOnClickListener(R.id.pi); |
| 105 | setOnClickListener(R.id.power); |
| 106 | setOnClickListener(R.id.factorial); |
| 107 | setOnClickListener(R.id.sqrt); |
| 108 | |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 109 | View view; |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 110 | if ((view = findViewById(R.id.del)) != null) { |
Jacek Surazski | 1d31175 | 2009-08-25 17:33:12 +0200 | [diff] [blame] | 111 | // view.setOnClickListener(mListener); |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 112 | view.setOnLongClickListener(mListener); |
| 113 | } |
| 114 | /* |
| 115 | if ((view = findViewById(R.id.clear)) != null) { |
| 116 | view.setOnClickListener(mListener); |
| 117 | } |
| 118 | */ |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 119 | } |
| 120 | |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame^] | 121 | private void setOnClickListener(int id) { |
| 122 | findViewById(id).setOnClickListener(mListener); |
| 123 | } |
| 124 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 125 | @Override |
| 126 | public boolean onCreateOptionsMenu(Menu menu) { |
| 127 | super.onCreateOptionsMenu(menu); |
| 128 | MenuItem item; |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 129 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 130 | item = menu.add(0, CMD_CLEAR_HISTORY, 0, R.string.clear_history); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 131 | 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] | 132 | item.setIcon(R.drawable.clear_history); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 133 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 134 | item = menu.add(0, CMD_ADVANCED_PANEL, 0, R.string.advanced); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 135 | 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] | 136 | item.setIcon(R.drawable.advanced); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 137 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 138 | item = menu.add(0, CMD_BASIC_PANEL, 0, R.string.basic); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 139 | 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] | 140 | item.setIcon(R.drawable.simple); |
| 141 | |
| 142 | return true; |
| 143 | } |
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 | @Override |
| 146 | public boolean onPrepareOptionsMenu(Menu menu) { |
| 147 | super.onPrepareOptionsMenu(menu); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 148 | menu.findItem(CMD_BASIC_PANEL).setVisible(mPanelSwitcher != null && |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 149 | mPanelSwitcher.getCurrentIndex() == ADVANCED_PANEL); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 150 | |
| 151 | menu.findItem(CMD_ADVANCED_PANEL).setVisible(mPanelSwitcher != null && |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 152 | mPanelSwitcher.getCurrentIndex() == BASIC_PANEL); |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 153 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 154 | return true; |
| 155 | } |
| 156 | |
| 157 | @Override |
| 158 | public boolean onOptionsItemSelected(MenuItem item) { |
| 159 | switch (item.getItemId()) { |
| 160 | case CMD_CLEAR_HISTORY: |
| 161 | mHistory.clear(); |
| 162 | break; |
| 163 | |
| 164 | case CMD_BASIC_PANEL: |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 165 | if (mPanelSwitcher != null && |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 166 | mPanelSwitcher.getCurrentIndex() == ADVANCED_PANEL) { |
| 167 | mPanelSwitcher.moveRight(); |
| 168 | } |
| 169 | break; |
| 170 | |
| 171 | case CMD_ADVANCED_PANEL: |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 172 | if (mPanelSwitcher != null && |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 173 | mPanelSwitcher.getCurrentIndex() == BASIC_PANEL) { |
| 174 | mPanelSwitcher.moveLeft(); |
| 175 | } |
| 176 | break; |
| 177 | } |
| 178 | return super.onOptionsItemSelected(item); |
| 179 | } |
| 180 | |
| 181 | @Override |
Mihai Preda | cf3ca32 | 2010-03-09 12:27:45 +0100 | [diff] [blame] | 182 | protected void onSaveInstanceState(Bundle state) { |
| 183 | super.onSaveInstanceState(state); |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame^] | 184 | if (mPanelSwitcher != null) { |
| 185 | state.putInt(STATE_CURRENT_VIEW, mPanelSwitcher.getCurrentIndex()); |
| 186 | } |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 187 | } |
| 188 | |
| 189 | @Override |
| 190 | public void onPause() { |
| 191 | super.onPause(); |
| 192 | mLogic.updateHistory(); |
| 193 | mPersist.save(); |
| 194 | } |
| 195 | |
Mihai Preda | bcabcbb | 2009-08-05 17:07:31 +0200 | [diff] [blame] | 196 | @Override |
| 197 | public boolean onKeyDown(int keyCode, KeyEvent keyEvent) { |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 198 | if (keyCode == KeyEvent.KEYCODE_BACK |
Dmitri Plotnikov | e209245 | 2011-01-16 15:27:03 -0800 | [diff] [blame^] | 199 | && mPanelSwitcher != null && mPanelSwitcher.getCurrentIndex() == ADVANCED_PANEL) { |
Mihai Preda | bcabcbb | 2009-08-05 17:07:31 +0200 | [diff] [blame] | 200 | mPanelSwitcher.moveRight(); |
| 201 | return true; |
| 202 | } else { |
| 203 | return super.onKeyDown(keyCode, keyEvent); |
| 204 | } |
| 205 | } |
| 206 | |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 207 | static void log(String message) { |
| 208 | if (LOG_ENABLED) { |
| 209 | Log.v(LOG_TAG, message); |
| 210 | } |
| 211 | } |
Jacek Surazski | 1d31175 | 2009-08-25 17:33:12 +0200 | [diff] [blame] | 212 | |
| 213 | /** |
| 214 | * The font sizes in the layout files are specified for a HVGA display. |
| 215 | * Adjust the font sizes accordingly if we are running on a different |
| 216 | * display. |
| 217 | */ |
| 218 | public void adjustFontSize(TextView view) { |
| 219 | float fontPixelSize = view.getTextSize(); |
| 220 | Display display = getWindowManager().getDefaultDisplay(); |
Mihai Preda | e08c830 | 2009-09-22 14:53:16 +0200 | [diff] [blame] | 221 | int h = Math.min(display.getWidth(), display.getHeight()); |
| 222 | float ratio = (float)h/HVGA_WIDTH_PIXELS; |
Jacek Surazski | 1d31175 | 2009-08-25 17:33:12 +0200 | [diff] [blame] | 223 | view.setTextSize(TypedValue.COMPLEX_UNIT_PX, fontPixelSize*ratio); |
| 224 | } |
Dmitri Plotnikov | 052c92a | 2011-01-10 18:30:42 -0800 | [diff] [blame] | 225 | |
| 226 | @Override |
| 227 | public void onChange() { |
| 228 | invalidateOptionsMenu(); |
| 229 | } |
The Android Open Source Project | b301ed2 | 2009-03-03 19:32:17 -0800 | [diff] [blame] | 230 | } |