Mercurial > hg > release > thermostat-1.6
view client/swing/src/main/java/com/redhat/thermostat/client/swing/components/ActionToggleButtonUI.java @ 2049:a92d602216ad
Update copyright license headers for 2017
PR3290
Reviewed-by: jerboaa
Review-thread: http://icedtea.classpath.org/pipermail/thermostat/2017-January/021974.html
author | Andrew Azores <aazores@redhat.com> |
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date | Tue, 17 Jan 2017 12:19:56 -0500 |
parents | 31f274ab27a5 |
children |
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/* * Copyright 2012-2017 Red Hat, Inc. * * This file is part of Thermostat. * * Thermostat is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published * by the Free Software Foundation; either version 2, or (at your * option) any later version. * * Thermostat 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 General Public License * along with Thermostat; see the file COPYING. If not see * <http://www.gnu.org/licenses/>. * * Linking this code with other modules is making a combined work * based on this code. Thus, the terms and conditions of the GNU * General Public License cover the whole combination. * * As a special exception, the copyright holders of this code give * you permission to link this code with independent modules to * produce an executable, regardless of the license terms of these * independent modules, and to copy and distribute the resulting * executable under terms of your choice, provided that you also * meet, for each linked independent module, the terms and conditions * of the license of that module. An independent module is a module * which is not derived from or based on this code. If you modify * this code, you may extend this exception to your version of the * library, but you are not obligated to do so. If you do not wish * to do so, delete this exception statement from your version. */ package com.redhat.thermostat.client.swing.components; import com.redhat.thermostat.client.core.ToggleActionState; import javax.swing.AbstractButton; import javax.swing.ButtonModel; import javax.swing.GrayFilter; import javax.swing.JComponent; import java.awt.Graphics; import java.awt.Image; import java.awt.Rectangle; import java.awt.image.BufferedImage; /** * An ActionButtonUI which is intended specifically for "togglebuttons", which * are defined to have exactly 4 possible states: conceptually, they are * STARTING, STARTED, STOPPING, and STOPPED. The initial state is STOPPED. * Each state is represented by a pairing of "button enabled" and * "button selected" states: * * STOPPED: enabled, not selected * STARTING: disabled, selected * STARTED: enabled, selected * STOPPING: disabled, not selected * * @see ActionToggleButton * @see ToggleActionState */ public class ActionToggleButtonUI extends ActionButtonUI { protected BufferedImage selectedIcon; protected Image rolledOverSelectedIcon; protected Image disabledSelectedIcon; private ToggleActionState toggleActionState; @Override protected void paintIcon(Graphics g, JComponent c, Rectangle iconRect) { AbstractButton button = (AbstractButton) c; ButtonModel model = button.getModel(); javax.swing.Icon icon = button.getIcon(); int w = icon.getIconWidth(); int h = icon.getIconHeight(); if (sourceIcon == null) { sourceIcon = new BufferedImage(w + 1, h + 1, BufferedImage.TYPE_INT_ARGB); Graphics imageGraphics = sourceIcon.getGraphics(); icon.paintIcon(null, imageGraphics, 0, 0); } if (rollOverIcon == null) { rollOverIcon = getBrighterImage(sourceIcon); } if (disabledIcon == null) { disabledIcon = GrayFilter.createDisabledImage(sourceIcon); } if (selectedIcon == null) { selectedIcon = new BufferedImage(w + 1, h + 1, BufferedImage.TYPE_INT_ARGB); Graphics imageGraphics = selectedIcon.getGraphics(); button.getSelectedIcon().paintIcon(null, imageGraphics, 0, 0); } if (rolledOverSelectedIcon == null) { rolledOverSelectedIcon = getBrighterImage(selectedIcon); } if (disabledSelectedIcon == null) { disabledSelectedIcon = GrayFilter.createDisabledImage(selectedIcon); } int x = 3; int y = button.getHeight() / 2 - h / 2; String text = button.getText(); if (text == null || text.equals("")) { x = button.getWidth() / 2 - w / 2; } boolean transitionState, actionEnabled, buttonEnabled; if (toggleActionState == null) { transitionState = false; actionEnabled = false; buttonEnabled = true; } else { transitionState = toggleActionState.isTransitionState(); actionEnabled = toggleActionState.isActionEnabled(); buttonEnabled = toggleActionState.isButtonEnabled(); } boolean stopped = !transitionState && !actionEnabled; boolean starting = transitionState && actionEnabled; boolean started = !transitionState && actionEnabled; boolean stopping = transitionState && !actionEnabled; if (!buttonEnabled) { g.drawImage(disabledIcon, x, y, null); } else if (stopped) { if (model.isRollover()) { g.drawImage(rollOverIcon, x, y, null); } else { g.drawImage(sourceIcon, x, y, null); } } else if (starting) { g.drawImage(disabledIcon, x, y, null); } else if (started) { if (model.isRollover()) { g.drawImage(rolledOverSelectedIcon, x, y, null); } else { g.drawImage(selectedIcon, x, y, null); } } else if (stopping) { g.drawImage(disabledSelectedIcon, x, y, null); } } void setState(ToggleActionState toggleActionState) { this.toggleActionState = toggleActionState; } }