litesoft
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/* * Copyright 2008 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.google.gwt.gen2.event.dom.client; import com.google.gwt.user.client.*; import com.google.gwt.user.client.ui.*; /** * Key up and key down are both events based upon a given key code. * * @deprecated use the com.google.gwt.event.dom.client classes instead */ @Deprecated public abstract class KeyCodeEvent extends KeyEvent { /** * Alt key code. */ public static final int KEY_ALT = 18; /** * Backspace key code. */ public static final int KEY_BACKSPACE = 8; /** * Control key code. */ public static final int KEY_CTRL = 17; /** * Delete key code. */ public static final int KEY_DELETE = 46; /** * Down arrow code. */ public static final int KEY_DOWN = 40; /** * End key code. */ public static final int KEY_END = 35; /** * Enter key code. */ public static final int KEY_ENTER = 13; /** * Escape key code. */ public static final int KEY_ESCAPE = 27; /** * Home key code. */ public static final int KEY_HOME = 36; /** * Left key code. */ public static final int KEY_LEFT = 37; /** * Page down key code. */ public static final int KEY_PAGEDOWN = 34; /** * Page up key code. */ public static final int KEY_PAGEUP = 33; /** * Right arrow key code. */ public static final int KEY_RIGHT = 39; /** * Shift key code. */ public static final int KEY_SHIFT = 16; /** * Tab key code. */ public static final int KEY_TAB = 9; /** * Up Arrow key code. */ public static final int KEY_UP = 38; /** * Constructor. * * @param nativeEvent the wrapped native event */ protected KeyCodeEvent( Event nativeEvent ) { super( nativeEvent ); } /** * Gets the current key code. * * @return the key code */ public int getKeyCode() { return getNativeEvent().getKeyCode(); } /** * Is the key code alpha-numeric (i.e. A-z or 0-9)? * * @return is the key code alpha numeric. */ public boolean isAlphaNumeric() { int keycode = getKeyCode(); return (48 <= keycode && keycode <= 57) || (65 <= keycode && keycode <= 90); } /** * Does the key code represent an arrow key? * * @param code the key code * * @return if it is an arrow key code */ public boolean isArrowKeyCode( int code ) { switch ( code ) { case KeyboardListener.KEY_DOWN: case KeyboardListener.KEY_RIGHT: case KeyboardListener.KEY_UP: case KeyboardListener.KEY_LEFT: return true; default: return false; } } /** * Is this a key down? * * @return whether this is a down arrow key event */ public boolean isDownKeyCode() { return getKeyCode() == KEY_DOWN; } /** * Is this a key left? * * @return whether this is a left arrow key event */ public boolean isLeftKeyCode() { return getKeyCode() == KEY_LEFT; } /** * Is this a key right? * * @return whether this is a right arrow key event */ public boolean isRightKeyCode() { return getKeyCode() == KEY_RIGHT; } } |