/*
* 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.terra;
import java.awt.Color;
import org.apache.pivot.util.Vote;
import org.apache.pivot.wtk.ApplicationContext;
import org.apache.pivot.wtk.Border;
import org.apache.pivot.wtk.Component;
import org.apache.pivot.wtk.Container;
import org.apache.pivot.wtk.ContainerMouseListener;
import org.apache.pivot.wtk.Dimensions;
import org.apache.pivot.wtk.Display;
import org.apache.pivot.wtk.Keyboard;
import org.apache.pivot.wtk.Menu;
import org.apache.pivot.wtk.MenuItemSelectionListener;
import org.apache.pivot.wtk.MenuPopup;
import org.apache.pivot.wtk.MenuPopupListener;
import org.apache.pivot.wtk.MenuPopupStateListener;
import org.apache.pivot.wtk.Mouse;
import org.apache.pivot.wtk.Panorama;
import org.apache.pivot.wtk.Point;
import org.apache.pivot.wtk.Theme;
import org.apache.pivot.wtk.Window;
import org.apache.pivot.wtk.Keyboard.KeyCode;
import org.apache.pivot.wtk.effects.DropShadowDecorator;
import org.apache.pivot.wtk.effects.Transition;
import org.apache.pivot.wtk.effects.TransitionListener;
import org.apache.pivot.wtk.skin.WindowSkin;
/**
* Menu popup skin.
*/
public class TerraMenuPopupSkin extends WindowSkin implements MenuPopupListener,
MenuPopupStateListener {
private class RepositionCallback implements Runnable {
@Override
public void run() {
MenuPopup menuPopup = (MenuPopup)getComponent();
Display display = menuPopup.getDisplay();
Point location = menuPopup.getLocation();
Dimensions size = menuPopup.getSize();
int x = location.x;
if (x + size.width > display.getWidth()) {
x -= size.width;
}
int y = location.y;
if (y + size.height > display.getHeight()) {
y-= size.height;
}
menuPopup.setLocation(x, y);
}
}
private Panorama panorama;
private Border border;
private DropShadowDecorator dropShadowDecorator = null;
private Transition closeTransition = null;
private int closeTransitionDuration = DEFAULT_CLOSE_TRANSITION_DURATION;
private int closeTransitionRate = DEFAULT_CLOSE_TRANSITION_RATE;
private ContainerMouseListener displayMouseListener = new ContainerMouseListener.Adapter() {
@Override
public boolean mouseDown(Container container, Mouse.Button button, int x, int y) {
MenuPopup menuPopup = (MenuPopup)getComponent();
if (menuPopup.isContextMenu()) {
Display display = (Display)container;
Component descendant = display.getDescendantAt(x, y);
if (descendant != display) {
Window window = descendant.getWindow();
if (!menuPopup.isAncestor(descendant)
&& (window == null
|| !menuPopup.isOwner(window))) {
menuPopup.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);
MenuPopup menuPopup = (MenuPopup)getComponent();
if (window != menuPopup
&& (window == null
|| !menuPopup.isOwner(window))) {
consumed = true;
}
return consumed;
}
};
private MenuItemSelectionListener menuItemSelectionListener = new MenuItemSelectionListener() {
@Override
public void itemSelected(Menu.Item item) {
MenuPopup menuPopup = (MenuPopup)getComponent();
menuPopup.close();
}
};
private static final int DEFAULT_CLOSE_TRANSITION_DURATION = 250;
private static final int DEFAULT_CLOSE_TRANSITION_RATE = 30;
public TerraMenuPopupSkin() {
TerraTheme theme = (TerraTheme)Theme.getTheme();
setBackgroundColor((Color)null);
panorama = new Panorama();
panorama.getStyles().put("buttonBackgroundColor", Color.WHITE);
border = new Border(panorama);
border.getStyles().put("color", theme.getColor(7));
border.getStyles().put("backgroundColor", null);
border.getStyles().put("padding", 0);
}
@Override
public void install(Component component) {
super.install(component);
MenuPopup menuPopup = (MenuPopup)component;
menuPopup.getMenuPopupListeners().add(this);
menuPopup.getMenuPopupStateListeners().add(this);
Menu menu = menuPopup.getMenu();
if (menu != null) {
menu.getMenuItemSelectionListeners().add(menuItemSelectionListener);
}
panorama.setView(menu);
menuPopup.setContent(border);
// Attach the drop-shadow decorator
dropShadowDecorator = new DropShadowDecorator(3, 3, 3);
menuPopup.getDecorators().add(dropShadowDecorator);
}
public Color getBorderColor() {
return (Color)border.getStyles().get("color");
}
public void setBorderColor(Color borderColor) {
border.getStyles().put("color", borderColor);
}
public void setBorderColor(String borderColor) {
if (borderColor == null) {
throw new IllegalArgumentException("borderColor is null.");
}
border.getStyles().put("color", borderColor);
}
public int getCloseTransitionDuration() {
return closeTransitionDuration;
}
public void setCloseTransitionDuration(int closeTransitionDuration) {
this.closeTransitionDuration = closeTransitionDuration;
}
public int getCloseTransitionRate() {
return closeTransitionRate;
}
public void setCloseTransitionRate(int closeTransitionRate) {
this.closeTransitionRate = closeTransitionRate;
}
/**
* {@link KeyCode#ESCAPE ESCAPE} Close the menu popup.
*/
@Override
public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
boolean consumed = super.keyPressed(component, keyCode, keyLocation);
if (keyCode == Keyboard.KeyCode.ESCAPE) {
MenuPopup menuPopup = (MenuPopup)getComponent();
menuPopup.close();
}
return consumed;
}
@Override
public void windowOpened(Window window) {
super.windowOpened(window);
Display display = window.getDisplay();
display.getContainerMouseListeners().add(displayMouseListener);
MenuPopup menuPopup = (MenuPopup)window;
Menu menu = menuPopup.getMenu();
if (menu != null) {
Menu.Item activeItem = menu.getActiveItem();
if (activeItem != null) {
activeItem.setActive(false);
}
menu.requestFocus();
}
panorama.setScrollTop(0);
if (menuPopup.isContextMenu()) {
ApplicationContext.queueCallback(new RepositionCallback());
}
}
@Override
public void windowClosed(Window window, Display display, Window owner) {
super.windowClosed(window, display, owner);
display.getContainerMouseListeners().remove(displayMouseListener);
if (owner != null
&& owner.isOpen()) {
owner.moveToFront();
}
}
@Override
public void menuChanged(MenuPopup menuPopup, Menu previousMenu) {
if (previousMenu != null) {
previousMenu.getMenuItemSelectionListeners().remove(menuItemSelectionListener);
}
Menu menu = menuPopup.getMenu();
if (menu != null) {
menu.getMenuItemSelectionListeners().add(menuItemSelectionListener);
}
panorama.setView(menu);
}
@Override
public Vote previewMenuPopupClose(final MenuPopup menuPopup, boolean immediate) {
if (!immediate
&& closeTransition == null) {
border.setEnabled(false);
closeTransition = new FadeWindowTransition(menuPopup,
closeTransitionDuration, closeTransitionRate,
dropShadowDecorator);
closeTransition.start(new TransitionListener() {
@Override
public void transitionCompleted(Transition transition) {
menuPopup.close();
}
});
}
return (closeTransition != null
&& closeTransition.isRunning()) ? Vote.DEFER : Vote.APPROVE;
}
@Override
public void menuPopupCloseVetoed(MenuPopup menuPopup, Vote reason) {
if (reason == Vote.DENY
&& closeTransition != null) {
closeTransition.stop();
border.setEnabled(true);
closeTransition = null;
}
}
@Override
public void menuPopupClosed(MenuPopup menuPopup) {
border.setEnabled(true);
closeTransition = null;
}
}