DMDirc-Plugins/ui_swing/src/main/java/com/dmdirc/addons/ui_swing/components/statusbar/StatusbarPopupPanel.java

/*
 * Copyright (c) 2006-2017 DMDirc Developers
 *
 * 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.components.statusbar;

import java.awt.Point;
import java.awt.event.MouseEvent;

import javax.swing.JComponent;

/**
 * A panel shown in the status bar which displays a {@link StatusbarPopupWindow} when the user
 * mouses over it.
 *
 * @param <T> Type of component used to trigger this panel
 *
 * @since 0.6.3m1
 */
public abstract class StatusbarPopupPanel<T extends JComponent> extends StatusbarPanel<T> {

    /** A version number for this class. */
    private static final long serialVersionUID = 2;

    /**
     * Creates a new {@link StatusbarPopupPanel}, using the specified label.
     *
     * @param label The label to be displayed in the status bar
     */
    public StatusbarPopupPanel(final T label) {
        super(label);
    }

    @Override
    public void mouseClicked(final MouseEvent e) {
        // Don't care
    }

    @Override
    public void mousePressed(final MouseEvent e) {
        // Don't care
    }

    @Override
    public void mouseReleased(final MouseEvent e) {
        // Don't care
    }

    @Override
    public void mouseEntered(final MouseEvent e) {
        openDialog();
    }

    @Override
    public void mouseExited(final MouseEvent e) {
        Point point = getMousePosition();
        if (point == null && getDialog() != null) {
            point = getDialog().getMousePosition();
        }
        if (point == null || (!contains(point)
                && (getDialog() == null || !getDialog().contains(point)))) {
            closeDialog();
        }
    }

    @Override
    protected void openDialog() {
        super.openDialog();
        getDialog().addMouseListener(this);
    }

    @Override
    protected void closeDialog() {
        if (getDialog() != null) {
            getDialog().removeMouseListener(this);
        }
        super.closeDialog();
    }

}