The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2006 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 android.widget; |
| 18 | |
| 19 | import android.content.Context; |
Aurimas Liutikas | 99441c5 | 2016-10-11 16:48:32 -0700 | [diff] [blame] | 20 | import android.graphics.Rect; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 21 | import android.text.Editable; |
| 22 | import android.text.InputFilter; |
| 23 | import android.text.Selection; |
| 24 | import android.text.Spannable; |
| 25 | import android.text.Spanned; |
| 26 | import android.text.TextWatcher; |
| 27 | import android.text.method.DialerKeyListener; |
| 28 | import android.text.method.KeyListener; |
| 29 | import android.text.method.TextKeyListener; |
| 30 | import android.util.AttributeSet; |
Aurimas Liutikas | 99441c5 | 2016-10-11 16:48:32 -0700 | [diff] [blame] | 31 | import android.view.KeyEvent; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 32 | import android.view.View; |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 33 | |
Chet Haase | df10332 | 2016-08-25 08:47:20 -0700 | [diff] [blame] | 34 | /** |
| 35 | * This widget is a layout that contains several specifically-named child views that |
| 36 | * handle keyboard entry interpreted as standard phone dialpad digits. |
| 37 | * |
| 38 | * @deprecated Use a custom view or layout to handle this functionality instead |
| 39 | */ |
| 40 | @Deprecated |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 41 | public class DialerFilter extends RelativeLayout |
| 42 | { |
| 43 | public DialerFilter(Context context) { |
| 44 | super(context); |
| 45 | } |
| 46 | |
| 47 | public DialerFilter(Context context, AttributeSet attrs) { |
| 48 | super(context, attrs); |
| 49 | } |
| 50 | |
| 51 | @Override |
| 52 | protected void onFinishInflate() { |
| 53 | super.onFinishInflate(); |
| 54 | |
| 55 | // Setup the filter view |
| 56 | mInputFilters = new InputFilter[] { new InputFilter.AllCaps() }; |
| 57 | |
| 58 | mHint = (EditText) findViewById(com.android.internal.R.id.hint); |
| 59 | if (mHint == null) { |
| 60 | throw new IllegalStateException("DialerFilter must have a child EditText named hint"); |
| 61 | } |
| 62 | mHint.setFilters(mInputFilters); |
| 63 | |
| 64 | mLetters = mHint; |
| 65 | mLetters.setKeyListener(TextKeyListener.getInstance()); |
| 66 | mLetters.setMovementMethod(null); |
| 67 | mLetters.setFocusable(false); |
| 68 | |
| 69 | // Setup the digits view |
| 70 | mPrimary = (EditText) findViewById(com.android.internal.R.id.primary); |
| 71 | if (mPrimary == null) { |
| 72 | throw new IllegalStateException("DialerFilter must have a child EditText named primary"); |
| 73 | } |
| 74 | mPrimary.setFilters(mInputFilters); |
| 75 | |
| 76 | mDigits = mPrimary; |
| 77 | mDigits.setKeyListener(DialerKeyListener.getInstance()); |
| 78 | mDigits.setMovementMethod(null); |
| 79 | mDigits.setFocusable(false); |
| 80 | |
| 81 | // Look for an icon |
| 82 | mIcon = (ImageView) findViewById(com.android.internal.R.id.icon); |
| 83 | |
| 84 | // Setup focus & highlight for this view |
| 85 | setFocusable(true); |
| 86 | |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 87 | // XXX Force the mode to QWERTY for now, since 12-key isn't supported |
| 88 | mIsQwerty = true; |
| 89 | setMode(DIGITS_AND_LETTERS); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Only show the icon view when focused, if there is one. |
| 94 | */ |
| 95 | @Override |
| 96 | protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) { |
| 97 | super.onFocusChanged(focused, direction, previouslyFocusedRect); |
| 98 | |
| 99 | if (mIcon != null) { |
| 100 | mIcon.setVisibility(focused ? View.VISIBLE : View.GONE); |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | |
| 105 | public boolean isQwertyKeyboard() { |
| 106 | return mIsQwerty; |
| 107 | } |
| 108 | |
| 109 | @Override |
| 110 | public boolean onKeyDown(int keyCode, KeyEvent event) { |
| 111 | boolean handled = false; |
| 112 | |
| 113 | switch (keyCode) { |
| 114 | case KeyEvent.KEYCODE_DPAD_UP: |
| 115 | case KeyEvent.KEYCODE_DPAD_DOWN: |
| 116 | case KeyEvent.KEYCODE_DPAD_LEFT: |
| 117 | case KeyEvent.KEYCODE_DPAD_RIGHT: |
| 118 | case KeyEvent.KEYCODE_ENTER: |
| 119 | case KeyEvent.KEYCODE_DPAD_CENTER: |
| 120 | break; |
| 121 | |
| 122 | case KeyEvent.KEYCODE_DEL: |
| 123 | switch (mMode) { |
| 124 | case DIGITS_AND_LETTERS: |
| 125 | handled = mDigits.onKeyDown(keyCode, event); |
| 126 | handled &= mLetters.onKeyDown(keyCode, event); |
| 127 | break; |
| 128 | |
| 129 | case DIGITS_AND_LETTERS_NO_DIGITS: |
| 130 | handled = mLetters.onKeyDown(keyCode, event); |
| 131 | if (mLetters.getText().length() == mDigits.getText().length()) { |
| 132 | setMode(DIGITS_AND_LETTERS); |
| 133 | } |
| 134 | break; |
| 135 | |
| 136 | case DIGITS_AND_LETTERS_NO_LETTERS: |
| 137 | if (mDigits.getText().length() == mLetters.getText().length()) { |
| 138 | mLetters.onKeyDown(keyCode, event); |
| 139 | setMode(DIGITS_AND_LETTERS); |
| 140 | } |
| 141 | handled = mDigits.onKeyDown(keyCode, event); |
| 142 | break; |
| 143 | |
| 144 | case DIGITS_ONLY: |
| 145 | handled = mDigits.onKeyDown(keyCode, event); |
| 146 | break; |
| 147 | |
| 148 | case LETTERS_ONLY: |
| 149 | handled = mLetters.onKeyDown(keyCode, event); |
| 150 | break; |
| 151 | } |
| 152 | break; |
| 153 | |
| 154 | default: |
| 155 | //mIsQwerty = msg.getKeyIsQwertyKeyboard(); |
| 156 | |
| 157 | switch (mMode) { |
| 158 | case DIGITS_AND_LETTERS: |
| 159 | handled = mLetters.onKeyDown(keyCode, event); |
| 160 | |
| 161 | // pass this throw so the shift state is correct (for example, |
| 162 | // on a standard QWERTY keyboard, * and 8 are on the same key) |
| 163 | if (KeyEvent.isModifierKey(keyCode)) { |
| 164 | mDigits.onKeyDown(keyCode, event); |
| 165 | handled = true; |
| 166 | break; |
| 167 | } |
| 168 | |
| 169 | // Only check to see if the digit is valid if the key is a printing key |
| 170 | // in the TextKeyListener. This prevents us from hiding the digits |
| 171 | // line when keys like UP and DOWN are hit. |
Aurimas Liutikas | 99441c5 | 2016-10-11 16:48:32 -0700 | [diff] [blame] | 172 | // XXX note that KEYCODE_TAB is special-cased here for |
The Android Open Source Project | 9066cfe | 2009-03-03 19:31:44 -0800 | [diff] [blame] | 173 | // devices that share tab and 0 on a single key. |
| 174 | boolean isPrint = event.isPrintingKey(); |
| 175 | if (isPrint || keyCode == KeyEvent.KEYCODE_SPACE |
| 176 | || keyCode == KeyEvent.KEYCODE_TAB) { |
| 177 | char c = event.getMatch(DialerKeyListener.CHARACTERS); |
| 178 | if (c != 0) { |
| 179 | handled &= mDigits.onKeyDown(keyCode, event); |
| 180 | } else { |
| 181 | setMode(DIGITS_AND_LETTERS_NO_DIGITS); |
| 182 | } |
| 183 | } |
| 184 | break; |
| 185 | |
| 186 | case DIGITS_AND_LETTERS_NO_LETTERS: |
| 187 | case DIGITS_ONLY: |
| 188 | handled = mDigits.onKeyDown(keyCode, event); |
| 189 | break; |
| 190 | |
| 191 | case DIGITS_AND_LETTERS_NO_DIGITS: |
| 192 | case LETTERS_ONLY: |
| 193 | handled = mLetters.onKeyDown(keyCode, event); |
| 194 | break; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | if (!handled) { |
| 199 | return super.onKeyDown(keyCode, event); |
| 200 | } else { |
| 201 | return true; |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public boolean onKeyUp(int keyCode, KeyEvent event) { |
| 207 | boolean a = mLetters.onKeyUp(keyCode, event); |
| 208 | boolean b = mDigits.onKeyUp(keyCode, event); |
| 209 | return a || b; |
| 210 | } |
| 211 | |
| 212 | public int getMode() { |
| 213 | return mMode; |
| 214 | } |
| 215 | |
| 216 | /** |
| 217 | * Change the mode of the widget. |
| 218 | * |
| 219 | * @param newMode The mode to switch to. |
| 220 | */ |
| 221 | public void setMode(int newMode) { |
| 222 | switch (newMode) { |
| 223 | case DIGITS_AND_LETTERS: |
| 224 | makeDigitsPrimary(); |
| 225 | mLetters.setVisibility(View.VISIBLE); |
| 226 | mDigits.setVisibility(View.VISIBLE); |
| 227 | break; |
| 228 | |
| 229 | case DIGITS_ONLY: |
| 230 | makeDigitsPrimary(); |
| 231 | mLetters.setVisibility(View.GONE); |
| 232 | mDigits.setVisibility(View.VISIBLE); |
| 233 | break; |
| 234 | |
| 235 | case LETTERS_ONLY: |
| 236 | makeLettersPrimary(); |
| 237 | mLetters.setVisibility(View.VISIBLE); |
| 238 | mDigits.setVisibility(View.GONE); |
| 239 | break; |
| 240 | |
| 241 | case DIGITS_AND_LETTERS_NO_LETTERS: |
| 242 | makeDigitsPrimary(); |
| 243 | mLetters.setVisibility(View.INVISIBLE); |
| 244 | mDigits.setVisibility(View.VISIBLE); |
| 245 | break; |
| 246 | |
| 247 | case DIGITS_AND_LETTERS_NO_DIGITS: |
| 248 | makeLettersPrimary(); |
| 249 | mLetters.setVisibility(View.VISIBLE); |
| 250 | mDigits.setVisibility(View.INVISIBLE); |
| 251 | break; |
| 252 | |
| 253 | } |
| 254 | int oldMode = mMode; |
| 255 | mMode = newMode; |
| 256 | onModeChange(oldMode, newMode); |
| 257 | } |
| 258 | |
| 259 | private void makeLettersPrimary() { |
| 260 | if (mPrimary == mDigits) { |
| 261 | swapPrimaryAndHint(true); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | private void makeDigitsPrimary() { |
| 266 | if (mPrimary == mLetters) { |
| 267 | swapPrimaryAndHint(false); |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | private void swapPrimaryAndHint(boolean makeLettersPrimary) { |
| 272 | Editable lettersText = mLetters.getText(); |
| 273 | Editable digitsText = mDigits.getText(); |
| 274 | KeyListener lettersInput = mLetters.getKeyListener(); |
| 275 | KeyListener digitsInput = mDigits.getKeyListener(); |
| 276 | |
| 277 | if (makeLettersPrimary) { |
| 278 | mLetters = mPrimary; |
| 279 | mDigits = mHint; |
| 280 | } else { |
| 281 | mLetters = mHint; |
| 282 | mDigits = mPrimary; |
| 283 | } |
| 284 | |
| 285 | mLetters.setKeyListener(lettersInput); |
| 286 | mLetters.setText(lettersText); |
| 287 | lettersText = mLetters.getText(); |
| 288 | Selection.setSelection(lettersText, lettersText.length()); |
| 289 | |
| 290 | mDigits.setKeyListener(digitsInput); |
| 291 | mDigits.setText(digitsText); |
| 292 | digitsText = mDigits.getText(); |
| 293 | Selection.setSelection(digitsText, digitsText.length()); |
| 294 | |
| 295 | // Reset the filters |
| 296 | mPrimary.setFilters(mInputFilters); |
| 297 | mHint.setFilters(mInputFilters); |
| 298 | } |
| 299 | |
| 300 | |
| 301 | public CharSequence getLetters() { |
| 302 | if (mLetters.getVisibility() == View.VISIBLE) { |
| 303 | return mLetters.getText(); |
| 304 | } else { |
| 305 | return ""; |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | public CharSequence getDigits() { |
| 310 | if (mDigits.getVisibility() == View.VISIBLE) { |
| 311 | return mDigits.getText(); |
| 312 | } else { |
| 313 | return ""; |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | public CharSequence getFilterText() { |
| 318 | if (mMode != DIGITS_ONLY) { |
| 319 | return getLetters(); |
| 320 | } else { |
| 321 | return getDigits(); |
| 322 | } |
| 323 | } |
| 324 | |
| 325 | public void append(String text) { |
| 326 | switch (mMode) { |
| 327 | case DIGITS_AND_LETTERS: |
| 328 | mDigits.getText().append(text); |
| 329 | mLetters.getText().append(text); |
| 330 | break; |
| 331 | |
| 332 | case DIGITS_AND_LETTERS_NO_LETTERS: |
| 333 | case DIGITS_ONLY: |
| 334 | mDigits.getText().append(text); |
| 335 | break; |
| 336 | |
| 337 | case DIGITS_AND_LETTERS_NO_DIGITS: |
| 338 | case LETTERS_ONLY: |
| 339 | mLetters.getText().append(text); |
| 340 | break; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | /** |
| 345 | * Clears both the digits and the filter text. |
| 346 | */ |
| 347 | public void clearText() { |
| 348 | Editable text; |
| 349 | |
| 350 | text = mLetters.getText(); |
| 351 | text.clear(); |
| 352 | |
| 353 | text = mDigits.getText(); |
| 354 | text.clear(); |
| 355 | |
| 356 | // Reset the mode based on the hardware type |
| 357 | if (mIsQwerty) { |
| 358 | setMode(DIGITS_AND_LETTERS); |
| 359 | } else { |
| 360 | setMode(DIGITS_ONLY); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | public void setLettersWatcher(TextWatcher watcher) { |
| 365 | CharSequence text = mLetters.getText(); |
| 366 | Spannable span = (Spannable)text; |
| 367 | span.setSpan(watcher, 0, text.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); |
| 368 | } |
| 369 | |
| 370 | public void setDigitsWatcher(TextWatcher watcher) { |
| 371 | CharSequence text = mDigits.getText(); |
| 372 | Spannable span = (Spannable)text; |
| 373 | span.setSpan(watcher, 0, text.length(), Spanned.SPAN_INCLUSIVE_INCLUSIVE); |
| 374 | } |
| 375 | |
| 376 | public void setFilterWatcher(TextWatcher watcher) { |
| 377 | if (mMode != DIGITS_ONLY) { |
| 378 | setLettersWatcher(watcher); |
| 379 | } else { |
| 380 | setDigitsWatcher(watcher); |
| 381 | } |
| 382 | } |
| 383 | |
| 384 | public void removeFilterWatcher(TextWatcher watcher) { |
| 385 | Spannable text; |
| 386 | if (mMode != DIGITS_ONLY) { |
| 387 | text = mLetters.getText(); |
| 388 | } else { |
| 389 | text = mDigits.getText(); |
| 390 | } |
| 391 | text.removeSpan(watcher); |
| 392 | } |
| 393 | |
| 394 | /** |
| 395 | * Called right after the mode changes to give subclasses the option to |
| 396 | * restyle, etc. |
| 397 | */ |
| 398 | protected void onModeChange(int oldMode, int newMode) { |
| 399 | } |
| 400 | |
| 401 | /** This mode has both lines */ |
| 402 | public static final int DIGITS_AND_LETTERS = 1; |
| 403 | /** This mode is when after starting in {@link #DIGITS_AND_LETTERS} mode the filter |
| 404 | * has removed all possibility of the digits matching, leaving only the letters line */ |
| 405 | public static final int DIGITS_AND_LETTERS_NO_DIGITS = 2; |
| 406 | /** This mode is when after starting in {@link #DIGITS_AND_LETTERS} mode the filter |
| 407 | * has removed all possibility of the letters matching, leaving only the digits line */ |
| 408 | public static final int DIGITS_AND_LETTERS_NO_LETTERS = 3; |
| 409 | /** This mode has only the digits line */ |
| 410 | public static final int DIGITS_ONLY = 4; |
| 411 | /** This mode has only the letters line */ |
| 412 | public static final int LETTERS_ONLY = 5; |
| 413 | |
| 414 | EditText mLetters; |
| 415 | EditText mDigits; |
| 416 | EditText mPrimary; |
| 417 | EditText mHint; |
| 418 | InputFilter mInputFilters[]; |
| 419 | ImageView mIcon; |
| 420 | int mMode; |
| 421 | private boolean mIsQwerty; |
| 422 | } |