io.github.jonestimd.swing.action.FocusAction Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of swing-extensions Show documentation

Extensions for Java Swing

There is a newer version: 1.4.5

// The MIT License (MIT)
//
// Copyright (c) 2017 Timothy D. Jones
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
package io.github.jonestimd.swing.action;

import java.awt.event.ActionEvent;
import java.util.ResourceBundle;

import javax.swing.AbstractAction;
import javax.swing.JComponent;
import javax.swing.JTable;
import javax.swing.KeyStroke;

/**
 * A UI action that transfers focus to a component.  Can be used to create a keyboard shortcut to change the input focus.
 */
public class FocusAction extends AbstractAction {
    protected enum KeyAction { FocusFilter }

    private final JComponent component;

    public FocusAction(JComponent component) {
        this.component = component;
    }

    @Override
    public void actionPerformed(ActionEvent e) {
        component.requestFocusInWindow();
    }

    public static void install(JComponent focusField, JTable table, ResourceBundle bundle, String acceleratorKey) {
        table.getActionMap().put(KeyAction.FocusFilter, new FocusAction(focusField));
        table.getInputMap(JComponent.WHEN_ANCESTOR_OF_FOCUSED_COMPONENT).put(KeyStroke.getKeyStroke(bundle.getString(acceleratorKey)), KeyAction.FocusFilter);
    }
}