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VKBImplementation.java
资源名称：LWUIT1.3code.rar　[点击查看]
上传用户：haobig99
上传日期：2022-06-15
资源大小：369k
文件大小：9k
源码类别：

J2ME

开发平台：

Java

VKBImplementation.java：源码内容
  1. /*
  2.  * Copyright 2008 Sun Microsystems, Inc.  All Rights Reserved.
  3.  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4.  *
  5.  * This code is free software; you can redistribute it and/or modify it
  6.  * under the terms of the GNU General Public License version 2 only, as
  7.  * published by the Free Software Foundation.  Sun designates this
  8.  * particular file as subject to the "Classpath" exception as provided
  9.  * by Sun in the LICENSE file that accompanied this code.
  10.  *
  11.  * This code is distributed in the hope that it will be useful, but WITHOUT
  12.  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13.  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14.  * version 2 for more details (a copy is included in the LICENSE file that
  15.  * accompanied this code).
  16.  *
  17.  * You should have received a copy of the GNU General Public License version
  18.  * 2 along with this work; if not, write to the Free Software Foundation,
  19.  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20.  *
  21.  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  22.  * CA 95054 USA or visit www.sun.com if you need additional information or
  23.  * have any questions.
  24.  */
  26. package com.sun.lwuit.impl.midp;
  28. import com.sun.lwuit.Font;
  29. import com.sun.lwuit.TextField;
  30. import com.sun.lwuit.events.ActionEvent;
  31. import com.sun.lwuit.events.ActionListener;
  32. import com.sun.lwuit.plaf.Border;
  33. import com.sun.lwuit.plaf.Style;
  34. import com.sun.lwuit.plaf.UIManager;
  35. import java.util.Hashtable;
  37. /**
  38.  * An implementation of LWUIT that features a Light Weight Virtual Keyboard.
  39.  *
  40.  * @author Chen Fishbein
  41.  */
  42. public class VKBImplementation extends GameCanvasImplementation{
  43.     
  44.     private static Class vkbClass = VirtualKeyboard.class;
  45.     
  46.     private VirtualKeyboard vkb;
  48.     public void init(Object m) {
  49.         super.init(m);         
  50.         //installs a listener on the UIManager that updates the default styles
  51.         //for the Virtual Keyboard
  52.         UIManager.getInstance().addThemeRefreshListener(new ActionListener() {
  54.             public void actionPerformed(ActionEvent evt) {
  55.                 Hashtable themeProps = new Hashtable();
  56.                 themeProps.put("VKB.bgColor", "666666");
  57.                 themeProps.put("VKBtooltip.padding", "8,8,8,8");
  58.                 themeProps.put("VKBtooltip.font",
  59.                         Font.createSystemFont(Font.FACE_SYSTEM,
  60.                         Font.STYLE_BOLD, Font.SIZE_LARGE));
  61.                 themeProps.put("VKBtooltip.bgColor", "FFFFFF");
  62.                 themeProps.put("VKBtooltip.fgColor", "0");
  63.                 themeProps.put("VKBtooltip.border", Border.createRoundBorder(8, 8));
  65.                 themeProps.put("VKBButton.fgColor", "FFFFFF");
  66.                 themeProps.put("VKBButton.bgColor", "0");
  67.                 themeProps.put("VKBButton.sel#fgColor", "FFFFFF");
  68.                 themeProps.put("VKBButton.sel#bgColor", "0");
  69.                 themeProps.put("VKBButton.press#fgColor", "FFFFFF");
  70.                 themeProps.put("VKBButton.press#bgColor", "0");
  71.                 themeProps.put("VKBButton.border", Border.createRoundBorder(8, 8));
  72.                 themeProps.put("VKBButton.sel#border", Border.createRoundBorder(8, 8));
  73.                 themeProps.put("VKBButton.press#border", Border.createRoundBorder(8, 8));
  74. //                themeProps.put("VKBButton.bgType", new Byte(Style.BACKGROUND_GRADIENT_LINEAR_VERTICAL));
  75.                 themeProps.put("VKBButton.sel#bgType", new Byte(Style.BACKGROUND_GRADIENT_LINEAR_VERTICAL));
  76.                 themeProps.put("VKBButton.press#bgType", new Byte(Style.BACKGROUND_GRADIENT_LINEAR_VERTICAL));
  77. //                themeProps.put("VKBButton.bgGradient", new Object[]{new Integer(0x666666),
  78. //                            new Integer(0), new Float(0), new Float(0), new Float(0)
  79. //                        });
  80.                 themeProps.put("VKBButton.sel#bgGradient", new Object[]{new Integer(0x666666),
  81.                             new Integer(0), new Float(0), new Float(0), new Float(0)
  82.                         });
  83.                 themeProps.put("VKBButton.press#bgGradient", new Object[]{new Integer(0),
  84.                             new Integer(0x666666), new Float(0), new Float(0), new Float(0)
  85.                         });
  86.                 themeProps.put("VKBButton.margin", "2,2,1,1");
  87.                 themeProps.put("VKBButton.sel#margin", "2,2,1,1");
  88.                 themeProps.put("VKBButton.press#margin", "2,2,1,1");
  89.                 themeProps.put("VKBButton.padding", "6,6,4,4");
  90.                 themeProps.put("VKBButton.sel#padding", "6,6,4,4");
  91.                 themeProps.put("VKBButton.press#padding", "6,6,4,4");
  92.                 themeProps.put("VKBButton.font",
  93.                         Font.createSystemFont(Font.FACE_SYSTEM,
  94.                         Font.STYLE_BOLD, Font.SIZE_MEDIUM));
  95.                 themeProps.put("VKBButton.sel#font",
  96.                         Font.createSystemFont(Font.FACE_SYSTEM,
  97.                         Font.STYLE_BOLD, Font.SIZE_MEDIUM));
  98.                 themeProps.put("VKBButton.press#font",
  99.                         Font.createSystemFont(Font.FACE_SYSTEM,
  100.                         Font.STYLE_BOLD, Font.SIZE_MEDIUM));
  102.                 themeProps.put("VKBSpecialButton.fgColor", "FFFFFF");
  103.                 themeProps.put("VKBSpecialButton.bgColor", "0");
  104.                 themeProps.put("VKBSpecialButton.sel#fgColor", "FFFFFF");
  105.                 themeProps.put("VKBSpecialButton.sel#bgColor", "0");
  106.                 themeProps.put("VKBSpecialButton.press#fgColor", "FFFFFF");
  107.                 themeProps.put("VKBSpecialButton.press#bgColor", "0");
  108.                 themeProps.put("VKBSpecialButton.border", Border.createRoundBorder(8, 8));
  109.                 themeProps.put("VKBSpecialButton.sel#border", Border.createRoundBorder(8, 8));
  110.                 themeProps.put("VKBSpecialButton.press#border", Border.createRoundBorder(8, 8));
  111.                 themeProps.put("VKBSpecialButton.bgType", new Byte(Style.BACKGROUND_GRADIENT_LINEAR_VERTICAL));
  112.                 themeProps.put("VKBSpecialButton.sel#bgType", new Byte(Style.BACKGROUND_GRADIENT_LINEAR_VERTICAL));
  113.                 themeProps.put("VKBSpecialButton.press#bgType", new Byte(Style.BACKGROUND_GRADIENT_LINEAR_VERTICAL));
  115.                 themeProps.put("VKBSpecialButton.bgGradient", new Object[]{new Integer(0xcccccc),
  116.                             new Integer(0x666666), new Float(0), new Float(0), new Float(0)
  117.                         });
  118.                 themeProps.put("VKBSpecialButton.sel#bgGradient", new Object[]{new Integer(0xcccccc),
  119.                             new Integer(0x666666), new Float(0), new Float(0), new Float(0)
  120.                         });
  121.                 themeProps.put("VKBSpecialButton.press#bgGradient", new Object[]{new Integer(0x666666),
  122.                             new Integer(0xcccccc), new Float(0), new Float(0), new Float(0)
  123.                         });
  126.                 themeProps.put("VKBSpecialButton.margin", "2,2,1,1");
  127.                 themeProps.put("VKBSpecialButton.sel#margin", "2,2,1,1");
  128.                 themeProps.put("VKBSpecialButton.press#margin", "2,2,1,1");
  129.                 themeProps.put("VKBSpecialButton.padding", "6,6,4,4");
  130.                 themeProps.put("VKBSpecialButton.sel#padding", "6,6,4,4");
  131.                 themeProps.put("VKBSpecialButton.press#padding", "6,6,4,4");
  132.                 themeProps.put("VKBSpecialButton.font",
  133.                         Font.createSystemFont(Font.FACE_SYSTEM,
  134.                         Font.STYLE_BOLD, Font.SIZE_MEDIUM));
  135.                 themeProps.put("VKBSpecialButton.sel#font",
  136.                         Font.createSystemFont(Font.FACE_SYSTEM,
  137.                         Font.STYLE_BOLD, Font.SIZE_MEDIUM));
  138.                 themeProps.put("VKBSpecialButton.press#font",
  139.                         Font.createSystemFont(Font.FACE_SYSTEM,
  140.                         Font.STYLE_BOLD, Font.SIZE_MEDIUM));
  142.                 themeProps.put("VKBTextInput.sel#fgColor", "FFFFFF");
  143.                 themeProps.put("VKBTextInput.sel#bgColor", "0");
  144.                 themeProps.put("VKBTextInput.sel#font",
  145.                         Font.createSystemFont(Font.FACE_SYSTEM,
  146.                         Font.STYLE_BOLD, Font.SIZE_MEDIUM));
  147.                 themeProps.put("VKBTextInput.sel#border",
  148.                         Border.getDefaultBorder());
  149.                 UIManager.getInstance().addThemeProps(themeProps);
  150.             }
  151.         });
  152.     }
  154.     
  155.     /**
  156.      * @inheritDoc
  157.      */
  158.     public boolean isVirtualKeyboardShowing() {
  159.         return vkb != null && vkb.isVisible();
  160.     }
  162.     /**
  163.      * @inheritDoc
  164.      */
  165.     public boolean isVirtualKeyboardShowingSupported() {
  166.         return true;
  167.     }
  169.     /**
  170.      * @inheritDoc
  171.      */
  172.     public void setShowVirtualKeyboard(boolean show) {
  173.         if (show) {
  174.             TextField txtCmp = (TextField) getCurrentForm().getFocused();
  175.             if (txtCmp != null) {
  176.                 vkb = createVirtualKeyboard();
  177.                 vkb.setTextField(txtCmp);
  178.                 vkb.showDialog();
  179.             }
  180.         }
  181.     }
  183.     /**
  184.      * Sets the virtual keyboard class.
  185.      * 
  186.      * @param vkbClazz this class must extend VirtualKeyboard.
  187.      */
  188.     static void setVirtualKeyboardClass(Class vkbClazz){
  189.         vkbClass = vkbClazz;
  190.     }
  191.     
  192.     private VirtualKeyboard createVirtualKeyboard() {
  193.         try {
  194.             return (VirtualKeyboard) vkbClass.newInstance();
  195.         } catch (Exception ex) {
  196.             ex.printStackTrace();
  197.             return new VirtualKeyboard();
  198.         } 
  199.     }
  200.     
  201.     
  202. }