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- /*
- * Copyright (c) 2006-2011 Chris Smith, Shane Mc Cormack, Gregory Holmes,
- * Simon Mott
- *
- * 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 com.dmdirc.addons.ui_swing.framemanager.buttonbar;
-
- import java.awt.Component;
- import java.awt.Dimension;
- import java.awt.Rectangle;
- import java.awt.event.MouseWheelEvent;
- import java.awt.event.MouseWheelListener;
-
- import javax.swing.JPanel;
- import javax.swing.Scrollable;
-
- import net.miginfocom.swing.MigLayout;
-
- /**
- * Implements scrollable onto a JPanel so we have more control over scrolling.
- *
- * @since 0.6.4
- */
- public class ButtonPanel extends JPanel implements Scrollable,
- MouseWheelListener {
-
- /**
- * A version number for this class. It should be changed whenever the class
- * structure is changed (or anything else that would prevent serialized
- * objects being unserialized with the new class).
- */
- private static final long serialVersionUID = 1;
- /** The ButtonBar that created this Panel. */
- private final ButtonBar buttonBar;
-
- /**
- * Constructor for ButtonPanel.
- *
- * @param layout Layout settings for this ButtonPanel
- * @param buttonBar the buttonBar that created this Panel
- */
- public ButtonPanel(final MigLayout layout, final ButtonBar buttonBar) {
- super(layout);
- this.buttonBar = buttonBar;
- }
-
- /** {@inheritDoc} */
- @Override
- public Dimension getPreferredScrollableViewportSize() {
- return super.getPreferredSize();
- }
-
- /** {@inheritDoc} */
- @Override
- public int getScrollableUnitIncrement(final Rectangle visibleRect,
- final int orientation, final int direction) {
- return buttonBar.getButtonHeight();
- }
-
- /** {@inheritDoc} */
- @Override
- public int getScrollableBlockIncrement(final Rectangle visibleRect,
- final int orientation, final int direction) {
- return buttonBar.getButtonHeight();
- }
-
- /** {@inheritDoc} */
- @Override
- public boolean getScrollableTracksViewportWidth() {
- return true;
- }
-
- /** {@inheritDoc} */
- @Override
- public boolean getScrollableTracksViewportHeight() {
- return false;
- }
-
- /** {@inheritDoc} */
- @Override
- public void mouseWheelMoved(final MouseWheelEvent e) {
- e.consume();
- final int selectedIndex = getSelectedIndex();
- int newIndex = 0;
- if (e.getWheelRotation() < 0) {
- //Up
- newIndex = selectedIndex > 0 ? selectedIndex - 1
- : getComponentCount() - 1;
- } else if (e.getWheelRotation() > 0) {
- //Down
- newIndex = (selectedIndex + 1) % getComponentCount();
- }
- ((FrameToggleButton) getComponent(newIndex)).getWindow()
- .activateFrame();
- }
-
- /**
- * Gets the component index of the button associated with the current
- * selected window.
- *
- * @return Integer Index for the button of the selected window
- *
- * @since 0.6.4
- */
- private int getSelectedIndex() {
- int selectedIndex = 0;
- final FrameToggleButton selectedButton = buttonBar.getSelectedButton();
- for (Component c : getComponents()) {
- if (c == selectedButton) {
- break;
- }
- selectedIndex++;
- }
- return selectedIndex;
- }
- }
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