/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to you under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.pivot.wtk.skin;
import java.util.Locale;
import org.apache.pivot.util.CalendarDate;
import org.apache.pivot.util.Filter;
import org.apache.pivot.util.Vote;
import org.apache.pivot.wtk.Calendar;
import org.apache.pivot.wtk.CalendarButton;
import org.apache.pivot.wtk.CalendarButtonListener;
import org.apache.pivot.wtk.CalendarButtonSelectionListener;
import org.apache.pivot.wtk.CalendarListener;
import org.apache.pivot.wtk.Component;
import org.apache.pivot.wtk.ComponentKeyListener;
import org.apache.pivot.wtk.ComponentMouseButtonListener;
import org.apache.pivot.wtk.Container;
import org.apache.pivot.wtk.ContainerMouseListener;
import org.apache.pivot.wtk.Display;
import org.apache.pivot.wtk.FocusTraversalDirection;
import org.apache.pivot.wtk.Keyboard;
import org.apache.pivot.wtk.Keyboard.KeyCode;
import org.apache.pivot.wtk.Mouse;
import org.apache.pivot.wtk.Window;
import org.apache.pivot.wtk.WindowStateListener;
/**
* Abstract base class for calendar button skins.
*/
public abstract class CalendarButtonSkin extends ButtonSkin
implements CalendarButton.Skin, CalendarButtonListener, CalendarButtonSelectionListener {
protected Calendar calendar;
protected Window calendarPopup;
protected boolean pressed = false;
private ComponentMouseButtonListener calendarPopupMouseButtonListener = new ComponentMouseButtonListener.Adapter() {
@Override
public boolean mouseClick(Component component, Mouse.Button button, int x, int y, int count) {
CalendarButton calendarButton = (CalendarButton)getComponent();
calendarPopup.close();
CalendarDate date = calendar.getSelectedDate();
calendarButton.setSelectedDate(date);
return true;
}
};
private ComponentKeyListener calendarPopupKeyListener = new ComponentKeyListener.Adapter() {
/**
* {@link KeyCode#ESCAPE ESCAPE} Close the popup.<br>
* {@link KeyCode#ENTER ENTER} Choose the selected date.<br>
* {@link KeyCode#TAB TAB} Choose the selected date and transfer focus
* forwards.<br>
* {@link KeyCode#TAB TAB} + {@link Keyboard.Modifier#SHIFT SHIFT} Choose the
* selected date and transfer focus backwards.
*/
@Override
public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
CalendarButton calendarButton = (CalendarButton)getComponent();
switch (keyCode) {
case Keyboard.KeyCode.ESCAPE: {
calendarPopup.close();
break;
}
case Keyboard.KeyCode.TAB:
case Keyboard.KeyCode.ENTER: {
calendarPopup.close();
if (keyCode == Keyboard.KeyCode.TAB) {
FocusTraversalDirection direction = (Keyboard.isPressed(Keyboard.Modifier.SHIFT)) ?
FocusTraversalDirection.BACKWARD : FocusTraversalDirection.FORWARD;
calendarButton.transferFocus(direction);
}
CalendarDate date = calendar.getSelectedDate();
calendarButton.setSelectedDate(date);
break;
}
}
return false;
}
};
private WindowStateListener calendarPopupWindowStateListener = new WindowStateListener.Adapter() {
@Override
public void windowOpened(Window window) {
Display display = window.getDisplay();
display.getContainerMouseListeners().add(displayMouseListener);
window.requestFocus();
}
@Override
public Vote previewWindowClose(Window window) {
if (window.containsFocus()) {
getComponent().requestFocus();
}
return Vote.APPROVE;
}
@Override
public void windowCloseVetoed(Window window, Vote reason) {
if (reason == Vote.DENY) {
window.requestFocus();
}
}
@Override
public void windowClosed(Window window, Display display, Window owner) {
display.getContainerMouseListeners().remove(displayMouseListener);
Window componentWindow = getComponent().getWindow();
if (componentWindow != null
&& componentWindow.isOpen()
&& !componentWindow.isClosing()) {
componentWindow.moveToFront();
}
}
};
private ContainerMouseListener displayMouseListener = new ContainerMouseListener.Adapter() {
@Override
public boolean mouseDown(Container container, Mouse.Button button, int x, int y) {
Display display = (Display)container;
Component descendant = display.getDescendantAt(x, y);
if (!calendarPopup.isAncestor(descendant)
&& descendant != CalendarButtonSkin.this.getComponent()) {
calendarPopup.close();
}
return false;
}
@Override
public boolean mouseWheel(Container container, Mouse.ScrollType scrollType,
int scrollAmount, int wheelRotation, int x, int y) {
boolean consumed = false;
Display display = (Display)container;
Window window = (Window)display.getComponentAt(x, y);
if (window != calendarPopup) {
consumed = true;
}
return consumed;
}
};
public CalendarButtonSkin() {
calendar = new Calendar();
calendar.getCalendarListeners().add(new CalendarListener.Adapter() {
@Override
public void yearChanged(Calendar calendar, int previousYear) {
CalendarButton calendarButton = (CalendarButton)getComponent();
calendarButton.setYear(calendar.getYear());
}
@Override
public void monthChanged(Calendar calendar, int previousMonth) {
CalendarButton calendarButton = (CalendarButton)getComponent();
calendarButton.setMonth(calendar.getMonth());
}
});
calendarPopup = new Window();
calendarPopup.getComponentMouseButtonListeners().add(calendarPopupMouseButtonListener);
calendarPopup.getComponentKeyListeners().add(calendarPopupKeyListener);
calendarPopup.getWindowStateListeners().add(calendarPopupWindowStateListener);
}
@Override
public void install(Component component) {
super.install(component);
CalendarButton calendarButton = (CalendarButton)component;
calendarButton.getCalendarButtonListeners().add(this);
calendarButton.getCalendarButtonSelectionListeners().add(this);
calendar.setLocale(calendarButton.getLocale());
}
// CalendarButton.Skin methods
public Window getCalendarPopup() {
return calendarPopup;
}
// Component state events
@Override
public void enabledChanged(Component component) {
super.enabledChanged(component);
if (!component.isEnabled()) {
pressed = false;
}
repaintComponent();
calendarPopup.close();
}
@Override
public void focusedChanged(Component component, Component obverseComponent) {
super.focusedChanged(component, obverseComponent);
repaintComponent();
// Close the popup if focus was transferred to a component whose
// window is not the popup
if (!component.isFocused()) {
pressed = false;
if (!calendarPopup.containsFocus()) {
calendarPopup.close();
}
}
}
// Component mouse events
@Override
public void mouseOut(Component component) {
super.mouseOut(component);
pressed = false;
repaintComponent();
}
@Override
public boolean mouseDown(Component component, Mouse.Button button, int x, int y) {
boolean consumed = super.mouseDown(component, button, x, y);
pressed = true;
repaintComponent();
if (calendarPopup.isOpen()) {
calendarPopup.close();
} else {
calendarPopup.open(component.getWindow());
}
return consumed;
}
@Override
public boolean mouseUp(Component component, Mouse.Button button, int x, int y) {
boolean consumed = super.mouseUp(component, button, x, y);
pressed = false;
repaintComponent();
return consumed;
}
/**
* {@link KeyCode#SPACE SPACE} Repaints the component to reflect the pressed
* state.
*
* @see #keyReleased(Component, int,
* org.apache.pivot.wtk.Keyboard.KeyLocation)
*/
@Override
public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
boolean consumed = false;
if (keyCode == Keyboard.KeyCode.SPACE) {
pressed = true;
repaintComponent();
if (calendarPopup.isOpen()) {
calendarPopup.close();
} else {
calendarPopup.open(component.getWindow());
}
consumed = true;
} else {
consumed = super.keyPressed(component, keyCode, keyLocation);
}
return consumed;
}
/**
* {@link KeyCode#SPACE SPACE} 'presses' the button.
*/
@Override
public boolean keyReleased(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
boolean consumed = false;
if (keyCode == Keyboard.KeyCode.SPACE) {
pressed = false;
repaintComponent();
} else {
consumed = super.keyReleased(component, keyCode, keyLocation);
}
return consumed;
}
// Calendar button events
@Override
public void yearChanged(CalendarButton calendarButton, int previousYear) {
calendar.setYear(calendarButton.getYear());
}
@Override
public void monthChanged(CalendarButton calendarButton, int previousMonth) {
calendar.setMonth(calendarButton.getMonth());
}
@Override
public void localeChanged(CalendarButton calendarButton, Locale previousLocale) {
calendar.setLocale(calendarButton.getLocale());
}
@Override
public void disabledDateFilterChanged(CalendarButton calendarButton,
Filter<CalendarDate> previousDisabledDateFilter) {
calendar.setDisabledDateFilter(calendarButton.getDisabledDateFilter());
}
// Calendar button selection events
@Override
public void selectedDateChanged(CalendarButton calendarButton,
CalendarDate previousSelectedDate) {
// Set the selected date as the button data
CalendarDate date = calendarButton.getSelectedDate();
calendarButton.setButtonData(date);
calendar.setSelectedDate(date);
if (date != null) {
calendar.setYear(date.year);
calendar.setMonth(date.month);
}
}
}