/*
* 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.awt.Color;
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.FocusTraversalDirection;
import org.apache.pivot.wtk.Display;
import org.apache.pivot.wtk.Keyboard;
import org.apache.pivot.wtk.ColorChooser;
import org.apache.pivot.wtk.ColorChooserButton;
import org.apache.pivot.wtk.ColorChooserButtonSelectionListener;
import org.apache.pivot.wtk.Mouse;
import org.apache.pivot.wtk.Window;
import org.apache.pivot.wtk.WindowStateListener;
/**
* Abstract base class for color chooser button skins.
*/
public abstract class ColorChooserButtonSkin extends ButtonSkin
implements ColorChooserButton.Skin, ColorChooserButtonSelectionListener {
/**
* A focusable window class used by color chooser button skins.
*/
public final class ColorChooserPopup extends Window {
private ColorChooserPopup() {
setSkin(new ColorChooserPopupSkin());
}
}
/**
* The color chooser popup skin.
*/
public final class ColorChooserPopupSkin extends WindowSkin {
private ColorChooserPopupSkin() {
}
@Override
public boolean isFocusable() {
return true;
}
@Override
public boolean mouseClick(Component component, Mouse.Button button, int x, int y,
int count) {
component.requestFocus();
return super.mouseClick(component, button, x, y, count);
}
}
private ComponentKeyListener colorChooserPopupKeyListener = new ComponentKeyListener.Adapter() {
@Override
public boolean keyPressed(Component component, int keyCode,
Keyboard.KeyLocation keyLocation) {
ColorChooserButton colorChooserButton = (ColorChooserButton)getComponent();
switch (keyCode) {
case Keyboard.KeyCode.ESCAPE: {
colorChooserPopup.close();
break;
}
case Keyboard.KeyCode.TAB:
case Keyboard.KeyCode.ENTER: {
colorChooserPopup.close();
if (keyCode == Keyboard.KeyCode.TAB) {
FocusTraversalDirection direction = (Keyboard.isPressed(Keyboard.Modifier.SHIFT)) ?
FocusTraversalDirection.BACKWARD : FocusTraversalDirection.FORWARD;
colorChooserButton.transferFocus(direction);
}
Color color = colorChooser.getSelectedColor();
colorChooserButton.setSelectedColor(color);
break;
}
}
return false;
}
};
private WindowStateListener colorChooserPopupWindowStateListener =
new WindowStateListener.Adapter() {
@Override
public void windowOpened(Window window) {
Display display = window.getDisplay();
display.getContainerMouseListeners().add(displayMouseListener);
}
@Override
public void windowClosed(Window window, Display display, Window owner) {
display.getContainerMouseListeners().remove(displayMouseListener);
Window componentWindow = getComponent().getWindow();
if (componentWindow != null) {
// The color chooser button may have been detached from the
// component hierarchy while our transition was running
componentWindow.moveToFront();
}
}
};
private ComponentMouseButtonListener colorChooserMouseButtonListener =
new ComponentMouseButtonListener.Adapter() {
@Override
public boolean mouseClick(Component component, Mouse.Button button, int x, int y,
int count) {
ColorChooserButton colorChooserButton = (ColorChooserButton)getComponent();
if (button == Mouse.Button.LEFT
&& count == 2) {
colorChooserPopup.close();
Color color = colorChooser.getSelectedColor();
colorChooserButton.setSelectedColor(color);
}
return false;
}
};
private ContainerMouseListener displayMouseListener = new ContainerMouseListener.Adapter() {
@Override
public boolean mouseDown(Container container, Mouse.Button button, int x, int y) {
ColorChooserButton colorChooserButton = (ColorChooserButton)getComponent();
Display display = (Display)container;
Component descendant = display.getDescendantAt(x, y);
if (!colorChooserPopup.isAncestor(descendant)
&& descendant != colorChooserButton) {
colorChooserPopup.close();
Color color = colorChooser.getSelectedColor();
colorChooserButton.setSelectedColor(color);
}
return false;
}
@Override
public boolean mouseWheel(Container container, Mouse.ScrollType scrollType,
int scrollAmount, int wheelRotation, int x, int y) {
return true;
}
};
protected ColorChooser colorChooser;
protected ColorChooserPopup colorChooserPopup;
protected boolean pressed = false;
public ColorChooserButtonSkin() {
colorChooser = new ColorChooser();
colorChooser.getComponentMouseButtonListeners().add(colorChooserMouseButtonListener);
colorChooserPopup = new ColorChooserPopup();
colorChooserPopup.getComponentKeyListeners().add(colorChooserPopupKeyListener);
colorChooserPopup.getWindowStateListeners().add(colorChooserPopupWindowStateListener);
}
@Override
public void install(Component component) {
super.install(component);
ColorChooserButton colorChooserButton = (ColorChooserButton)component;
colorChooserButton.getColorChooserButtonSelectionListeners().add(this);
}
// ColorChooserButton.Skin methods
public Window getColorChooserPopup() {
return colorChooserPopup;
}
// ComponentStateListener methods
@Override
public void enabledChanged(Component component) {
super.enabledChanged(component);
colorChooserPopup.close();
pressed = false;
}
@Override
public void focusedChanged(Component component, Component obverseComponent) {
super.focusedChanged(component, obverseComponent);
// Close the popup if focus was transferred to a component whose
// window is not the popup
if (!component.isFocused()
&& !colorChooserPopup.containsFocus()) {
colorChooserPopup.close();
}
pressed = false;
}
// ComponentMouseListener methods
@Override
public void mouseOut(Component component) {
super.mouseOut(component);
pressed = false;
}
// ComponentMouseButtonListener methods
@Override
public boolean mouseDown(Component component, Mouse.Button button, int x, int y) {
boolean consumed = super.mouseDown(component, button, x, y);
pressed = true;
repaintComponent();
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;
}
@Override
public boolean mouseClick(Component component, Mouse.Button button, int x, int y, int count) {
boolean consumed = super.mouseClick(component, button, x, y, count);
ColorChooserButton colorChooserButton = (ColorChooserButton)getComponent();
colorChooserButton.requestFocus();
colorChooserButton.press();
return consumed;
}
// ComponentKeyListener methods
@Override
public boolean keyPressed(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
boolean consumed = false;
if (keyCode == Keyboard.KeyCode.SPACE) {
pressed = true;
repaintComponent();
consumed = true;
} else {
consumed = super.keyPressed(component, keyCode, keyLocation);
}
return consumed;
}
@Override
public boolean keyReleased(Component component, int keyCode, Keyboard.KeyLocation keyLocation) {
boolean consumed = false;
ColorChooserButton colorChooserButton = (ColorChooserButton)getComponent();
if (keyCode == Keyboard.KeyCode.SPACE) {
pressed = false;
repaintComponent();
colorChooserButton.press();
} else {
consumed = super.keyReleased(component, keyCode, keyLocation);
}
return consumed;
}
// ColorChooserButtonSelectionListener methods
@Override
public void selectedColorChanged(ColorChooserButton colorChooserButton,
Color previousSelectedColor) {
// Set the selected color as the button data
Color selectedColor = colorChooserButton.getSelectedColor();
colorChooserButton.setButtonData(selectedColor);
colorChooser.setSelectedColor(selectedColor);
}
}