sun.swing.UIAction Java Examples

The following examples show how to use sun.swing.UIAction. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: SwingUtilities.java    From jdk1.8-source-analysis with Apache License 2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #2
Source File: SwingUtilities.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #3
Source File: SwingUtilities.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #4
Source File: SwingUtilities.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #5
Source File: SwingUtilities.java    From JDKSourceCode1.8 with MIT License 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #6
Source File: SwingUtilities.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #7
Source File: SwingUtilities.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #8
Source File: SwingUtilities.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #9
Source File: SwingUtilities.java    From Java8CN with Apache License 2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #10
Source File: SwingUtilities.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #11
Source File: SwingUtilities.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #12
Source File: SwingUtilities.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #13
Source File: SwingUtilities.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #14
Source File: SwingUtilities.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}
Example #15
Source File: SwingUtilities.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up 
/**
 * Invokes <code>actionPerformed</code> on <code>action</code> if
 * <code>action</code> is enabled (and non-{@code null}). The command for the
 * ActionEvent is determined by:
 * <ol>
 *   <li>If the action was registered via
 *       <code>registerKeyboardAction</code>, then the command string
 *       passed in ({@code null} will be used if {@code null} was passed in).
 *   <li>Action value with name Action.ACTION_COMMAND_KEY, unless {@code null}.
 *   <li>String value of the KeyEvent, unless <code>getKeyChar</code>
 *       returns KeyEvent.CHAR_UNDEFINED..
 * </ol>
 * This will return true if <code>action</code> is non-{@code null} and
 * actionPerformed is invoked on it.
 *
 * @since 1.3
 */
public static boolean notifyAction(Action action, KeyStroke ks,
                                   KeyEvent event, Object sender,
                                   int modifiers) {
    if (action == null) {
        return false;
    }
    if (action instanceof UIAction) {
        if (!((UIAction)action).isEnabled(sender)) {
            return false;
        }
    }
    else if (!action.isEnabled()) {
        return false;
    }
    Object commandO;
    boolean stayNull;

    // Get the command object.
    commandO = action.getValue(Action.ACTION_COMMAND_KEY);
    if (commandO == null && (action instanceof JComponent.ActionStandin)) {
        // ActionStandin is used for historical reasons to support
        // registerKeyboardAction with a null value.
        stayNull = true;
    }
    else {
        stayNull = false;
    }

    // Convert it to a string.
    String command;

    if (commandO != null) {
        command = commandO.toString();
    }
    else if (!stayNull && event.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
        command = String.valueOf(event.getKeyChar());
    }
    else {
        // Do null for undefined chars, or if registerKeyboardAction
        // was called with a null.
        command = null;
    }
    action.actionPerformed(new ActionEvent(sender,
                    ActionEvent.ACTION_PERFORMED, command, event.getWhen(),
                    modifiers));
    return true;
}