forked from dorkbox/SystemTray
169 lines
5.0 KiB
Java
169 lines
5.0 KiB
Java
/*
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* Copyright 2014 dorkbox, llc
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package dorkbox.systemTray.swingUI;
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import java.awt.event.ActionEvent;
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import java.awt.event.ActionListener;
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import java.io.File;
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import javax.swing.ImageIcon;
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import javax.swing.JMenuItem;
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import dorkbox.systemTray.Checkbox;
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import dorkbox.systemTray.SystemTray;
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import dorkbox.systemTray.peer.CheckboxPeer;
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import dorkbox.systemTray.util.ImageUtils;
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import dorkbox.util.SwingUtil;
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class SwingMenuItemCheckbox implements CheckboxPeer {
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private final SwingMenu parent;
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private final JMenuItem _native = new AdjustedJMenuItem();
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// these have to be volatile, because they can be changed from any thread
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private volatile ActionListener callback;
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private volatile boolean isChecked = false;
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private static ImageIcon checkedIcon;
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private static ImageIcon uncheckedIcon;
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// this is ALWAYS called on the EDT.
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SwingMenuItemCheckbox(final SwingMenu parent) {
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this.parent = parent;
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parent._native.add(_native);
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if (checkedIcon == null) {
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// from Brankic1979, public domain
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File checkedFile = ImageUtils.resizeAndCache(ImageUtils.ENTRY_SIZE, ImageUtils.class.getResource("checked_32.png"));
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checkedIcon = new ImageIcon(checkedFile.getAbsolutePath());
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File uncheckedFile = ImageUtils.getTransparentImage(ImageUtils.ENTRY_SIZE);
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uncheckedIcon = new ImageIcon(uncheckedFile.getAbsolutePath());
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}
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}
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@Override
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public
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void setEnabled(final Checkbox menuItem) {
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SwingUtil.invokeLater(new Runnable() {
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@Override
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public
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void run() {
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_native.setEnabled(menuItem.getEnabled());
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}
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});
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}
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@Override
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public
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void setText(final Checkbox menuItem) {
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SwingUtil.invokeLater(new Runnable() {
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@Override
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public
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void run() {
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_native.setText(menuItem.getText());
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}
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});
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}
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@SuppressWarnings("Duplicates")
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@Override
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public
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void setCallback(final Checkbox menuItem) {
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if (callback != null) {
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_native.removeActionListener(callback);
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}
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callback = menuItem.getCallback(); // can be set to null
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if (callback != null) {
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callback = new ActionListener() {
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@Override
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public
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void actionPerformed(ActionEvent e) {
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// this will run on the EDT, since we are calling it from the EDT
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menuItem.setChecked(!isChecked);
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// we want it to run on the EDT, but with our own action event info (so it is consistent across all platforms)
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ActionListener cb = menuItem.getCallback();
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if (cb != null) {
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try {
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cb.actionPerformed(new ActionEvent(menuItem, ActionEvent.ACTION_PERFORMED, ""));
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} catch (Throwable throwable) {
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SystemTray.logger.error("Error calling menu entry {} click event.", menuItem.getText(), throwable);
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}
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}
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}
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};
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_native.addActionListener(callback);
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}
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}
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@Override
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public
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void setShortcut(final Checkbox menuItem) {
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char shortcut = menuItem.getShortcut();
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// yikes...
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final int vKey = SwingUtil.getVirtualKey(shortcut);
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SwingUtil.invokeLater(new Runnable() {
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@Override
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public
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void run() {
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_native.setMnemonic(vKey);
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}
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});
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}
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@Override
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public
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void setChecked(final Checkbox menuItem) {
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this.isChecked = menuItem.getChecked();
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SwingUtil.invokeLater(new Runnable() {
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@Override
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public
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void run() {
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if (isChecked) {
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_native.setIcon(checkedIcon);
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} else {
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_native.setIcon(uncheckedIcon);
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}
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}
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});
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}
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@Override
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public
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void remove() {
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//noinspection Duplicates
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SwingUtil.invokeLater(new Runnable() {
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@Override
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public
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void run() {
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if (callback != null) {
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_native.removeActionListener(callback);
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callback = null;
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}
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parent._native.remove(_native);
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_native.removeAll();
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}
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});
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}
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}
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