org.jdesktop.swingx.plaf.basic.BasicCalendarHeaderHandler Maven / Gradle / Ivy
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/*
* $Id: BasicCalendarHeaderHandler.java 3927 2011-02-22 16:34:11Z kleopatra $
*
* Copyright 2007 Sun Microsystems, Inc., 4150 Network Circle,
* Santa Clara, California 95054, U.S.A. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
package org.jdesktop.swingx.plaf.basic;
import org.jdesktop.swingx.JXHyperlink;
import org.jdesktop.swingx.JXMonthView;
import org.jdesktop.swingx.JXPanel;
import org.jdesktop.swingx.hyperlink.AbstractHyperlinkAction;
import org.jdesktop.swingx.renderer.StringValue;
import org.jdesktop.swingx.renderer.StringValues;
import javax.swing.AbstractButton;
import javax.swing.Action;
import javax.swing.BorderFactory;
import javax.swing.Box;
import javax.swing.BoxLayout;
import java.awt.Color;
import java.awt.Font;
import java.awt.event.ActionEvent;
import java.beans.PropertyChangeListener;
import java.text.DateFormatSymbols;
import java.util.Calendar;
import java.util.Locale;
/**
* Custom implementation of a CalendarHeaderHandler in preparation of a vista-style
* calendar. Does nothing yet.
*
* @author Jeanette Winzenburg
*/
public class BasicCalendarHeaderHandler extends CalendarHeaderHandler {
@Override
public void install(JXMonthView monthView) {
super.install(monthView);
getHeaderComponent().setActions(
monthView.getActionMap().get("previousMonth"),
monthView.getActionMap().get("nextMonth"),
monthView.getActionMap().get("zoomOut")
);
}
@Override
protected void installNavigationActions() {
super.installNavigationActions();
ZoomOutAction zoomOutAction = new ZoomOutAction();
zoomOutAction.setTarget(monthView);
monthView.getActionMap().put("zoomOut", zoomOutAction);
}
@Override
public void uninstall(JXMonthView monthView) {
getHeaderComponent().setActions(null, null, null);
super.uninstall(monthView);
}
@Override
public BasicCalendarHeader getHeaderComponent() {
return (BasicCalendarHeader) super.getHeaderComponent();
}
@Override
protected BasicCalendarHeader createCalendarHeader() {
return new BasicCalendarHeader();
}
/**
* Quick fix for Issue #1046-swingx: header text not updated if zoomable.
*/
protected static class ZoomOutAction extends AbstractHyperlinkAction {
private PropertyChangeListener linkListener;
// Formatters/state used by Providers.
/**
* Localized month strings used in title.
*/
private String[] monthNames;
private final StringValue tsv;
public ZoomOutAction() {
tsv = value -> {
if (value instanceof Calendar) {
String month = monthNames[((Calendar) value).get(Calendar.MONTH)];
return month + " " + ((Calendar) value).get(Calendar.YEAR);
}
return StringValues.TO_STRING.getString(value);
};
}
@Override
public void actionPerformed(ActionEvent e) {
}
/**
* installs a propertyChangeListener on the target and
* updates the visual properties from the target.
*/
@Override
protected void installTarget() {
if (getTarget() != null) {
getTarget().addPropertyChangeListener(getTargetListener());
}
updateLocale();
updateFromTarget();
}
/**
*
*/
private void updateLocale() {
Locale current = getTarget() != null ? getTarget().getLocale() : Locale.getDefault();
monthNames = DateFormatSymbols.getInstance(current).getMonths();
}
/**
* removes the propertyChangeListener.
*
* Implementation NOTE: this does not clean-up internal state! There is
* no need to because updateFromTarget handles both null and not-null
* targets. Hmm...
*/
@Override
protected void uninstallTarget() {
if (getTarget() == null)
return;
getTarget().removePropertyChangeListener(getTargetListener());
}
protected void updateFromTarget() {
// this happens on construction with null target
if (tsv == null)
return;
Calendar calendar = getTarget() != null ? getTarget().getCalendar() : null;
setName(tsv.getString(calendar));
}
private PropertyChangeListener getTargetListener() {
if (linkListener == null) {
linkListener = evt -> {
if ("firstDisplayedDay".equals(evt.getPropertyName())) {
updateFromTarget();
} else if ("locale".equals(evt.getPropertyName())) {
updateLocale();
updateFromTarget();
}
};
}
return linkListener;
}
}
/**
* Active header for a JXMonthView in zoomable mode.
*
* PENDING JW: very much work-in-progress.
*/
private static class BasicCalendarHeader extends JXPanel {
protected final AbstractButton prevButton;
protected final AbstractButton nextButton;
protected final JXHyperlink zoomOutLink;
BasicCalendarHeader() {
setLayout(new BoxLayout(this, BoxLayout.LINE_AXIS));
prevButton = createNavigationButton();
nextButton = createNavigationButton();
zoomOutLink = createZoomLink();
add(prevButton);
add(Box.createHorizontalGlue());
add(zoomOutLink);
add(Box.createHorizontalGlue());
add(nextButton);
setBorder(BorderFactory.createEmptyBorder(2, 4, 2, 4));
}
/**
* Sets the actions for backward, forward and zoom out navigation.
*
* @param prev
* @param next
* @param zoomOut
*/
public void setActions(Action prev, Action next, Action zoomOut) {
prevButton.setAction(prev);
nextButton.setAction(next);
zoomOutLink.setAction(zoomOut);
}
/**
* {@inheritDoc}
*
* Overridden to set the font of the zoom hyperlink.
*/
@Override
public void setFont(Font font) {
super.setFont(font);
if (zoomOutLink != null)
zoomOutLink.setFont(font);
}
private static JXHyperlink createZoomLink() {
JXHyperlink zoomOutLink = new JXHyperlink();
Color textColor = new Color(16, 66, 104);
zoomOutLink.setUnclickedColor(textColor);
zoomOutLink.setClickedColor(textColor);
zoomOutLink.setFocusable(false);
return zoomOutLink;
}
private static AbstractButton createNavigationButton() {
JXHyperlink b = new JXHyperlink();
b.setContentAreaFilled(false);
b.setBorder(BorderFactory.createEmptyBorder());
b.setRolloverEnabled(true);
b.setFocusable(false);
return b;
}
}
}