diff options
author | David McMackins II <contact@mcmackins.org> | 2016-11-11 10:51:17 -0600 |
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committer | David McMackins II <contact@mcmackins.org> | 2016-11-11 10:51:17 -0600 |
commit | 6474078ba69227059cef46ddc7b4664c926e4887 (patch) | |
tree | 50d44ce1947964e19960d41f9201d28affff3432 /src/com/delwink/icebox/swing/DoubleClickListener.java | |
parent | cea0931193134c3989ea0f0672b2415a79df7edf (diff) |
Add ordering
Diffstat (limited to 'src/com/delwink/icebox/swing/DoubleClickListener.java')
-rw-r--r-- | src/com/delwink/icebox/swing/DoubleClickListener.java | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/com/delwink/icebox/swing/DoubleClickListener.java b/src/com/delwink/icebox/swing/DoubleClickListener.java new file mode 100644 index 0000000..0967a2b --- /dev/null +++ b/src/com/delwink/icebox/swing/DoubleClickListener.java @@ -0,0 +1,50 @@ +/* + * IceBox - inventory management software for restaurants + * Copyright (C) 2016 Delwink, LLC + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, version 3 only. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +package com.delwink.icebox.swing; + +import java.awt.Toolkit; +import java.awt.event.MouseAdapter; +import java.awt.event.MouseEvent; + +/** + * A mouse listener which detects double clicks. + * @author David McMackins II + */ +public abstract class DoubleClickListener extends MouseAdapter { + public static final int INTERVAL = (Integer) Toolkit.getDefaultToolkit().getDesktopProperty("awt.multiClickInterval"); + + private Long lastClick = null; + + @Override + public final void mouseClicked(MouseEvent e) { + if (e.getButton() == MouseEvent.BUTTON1) { + if (lastClick != null && e.getWhen() - lastClick < INTERVAL) { + mouseDoubleClicked(e); + lastClick = null; + } else { + lastClick = e.getWhen(); + } + } + } + + /** + * Called when a double click is detected. + * @param e The last MouseEvent which triggered the double click. + */ + public abstract void mouseDoubleClicked(MouseEvent e); +} |