inputmodehelper.java

有关j2me的很好的例子可以研究一下

/*
 * @(#)InputModeHelper.java	1.5 01/08/12
 * Copyright (c) 1999-2001 Sun Microsystems, Inc. All Rights Reserved.
 *
 * This software is the confidential and proprietary information of Sun
 * Microsystems, Inc. ("Confidential Information").  You shall not
 * disclose such Confidential Information and shall use it only in
 * accordance with the terms of the license agreement you entered into
 * with Sun.
 *
 * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF THE
 * SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
 * PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR ANY DAMAGES
 * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR DISTRIBUTING
 * THIS SOFTWARE OR ITS DERIVATIVES.
 */
package com.sun.midp.lcdui;

import javax.microedition.lcdui.TextBox;
import javax.microedition.lcdui.TextField;

/**
 * A static helper class for InputModes.
 */
public class InputModeHelper {
    /** The InputModeClient */
    static InputModeClient client;

    /**
     * Set the InputModeClient for this helper.
     *
     * @param c The InputModeClient
     */
    public static void setInputModeHelper(InputModeClient c) {
        client = c;
    }

    /**
     * Get the supported input modes.
     *
     * @return String[] The array of supported input modes
     */
    public static String[] supportedInputModes() {
        return InputMethodHandler.getInputMethodHandler().supportedInputModes();
    }

    /**
     * Set the input mode of the TextBox.
     *
     * @param tb The TextBox to set the input mode for
     * @param defaultMode The default input mode for the TextBox
     *
     * @see #getMode
     */
    public static void setMode(TextBox tb, String defaultMode) {
        client.setMode(tb, defaultMode);
    }

    /**
     * Get the input mode of the TextBox.
     *
     * @param tb The TextBox to get the input mode for
     * @return String The input mode of the TextBox
     *
     * @see #setMode
     */
    public static String getMode(TextBox tb) {
        return client.getMode(tb);
    }

    /**
     * Set the set of allowed input modes for the TextBox.
     *
     * @param tb The TextBox to set the input modes for
     * @param allowedMode An array holding the set of input modes
     *
     * @see #getAllowedModes
     */
    public static void setAllowedModes(TextBox tb, String[] allowedMode) {
        client.setAllowedModes(tb, allowedMode);
    }

    /**
     * Get the set of allowed input modes for the TextBox.
     *
     * @param tb The TextBox to get the set of input modes for
     * @return String[] The set of allowed input modes
     *
     * @see #setAllowedModes
     */
    public static String[] getAllowedModes(TextBox tb) {
        return client.getAllowedModes(tb);
    }

    /**
     * Set the input mode for the TextField.
     *
     * @param tf The TextField to set the input mode for
     * @param defaultMode The default input mode for the TextField
     *
     * @see #getMode
     */
    public static void setMode(TextField tf, String defaultMode) {
        client.setMode(tf, defaultMode);
    }

    /**
     * Get the input mode for the TextField.
     *
     * @param tf The TextField to get the input mode for
     * @return String The input mode of the TextField
     * 
     * @see #setMode
     */
    public static String getMode(TextField tf) {
        return client.getMode(tf);
    }

    /**
     * Set the set of allowed input modes for the TextField.
     *
     * @param tf The TextField to set the input modes for
     * @param allowedMode The set of allowed input modes for the TextField
     *
     * @see #getAllowedModes
     */
    public static void setAllowedModes(TextField tf, String[] allowedMode) {
        client.setAllowedModes(tf, allowedMode);
    }

    /**
     * Get the set of allowed input modes for the TextField.
     *
     * @param tf The TextField to get the set of allowed input modes for
     * @return String[] The set of allowed input modes for the TextField
     *
     * @see #setAllowedModes
     */
    public static String[] getAllowedModes(TextField tf) {
        return client.getAllowedModes(tf);
    }
}