/*
* Copyright (c) 2005-2008 Substance Kirill Grouchnikov. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* o Neither the name of Substance Kirill Grouchnikov nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.jvnet.substance;
import java.awt.*;
import javax.swing.*;
import org.jvnet.lafwidget.animation.FadeKind;
import org.jvnet.lafwidget.animation.FadeState;
import org.jvnet.lafwidget.layout.TransitionLayout;
import org.jvnet.substance.color.ColorScheme;
import org.jvnet.substance.painter.highlight.SubstanceHighlightUtils;
import org.jvnet.substance.theme.SubstanceTheme;
import org.jvnet.substance.utils.*;
import org.jvnet.substance.utils.SubstanceConstants.MenuGutterFillKind;
/**
* Delegate for painting background of menu items.
*
* @author Kirill Grouchnikov
*/
public class SubstanceMenuBackgroundDelegate {
/**
* Delegate for painting fill background.
*/
private SubstanceFillBackgroundDelegate fillBackgroundDelegate;
/**
* Creates a new background delegate for menu items.
*
* @param fillAlpha
* Alphs attribute for the fill.
*/
public SubstanceMenuBackgroundDelegate(float fillAlpha) {
this.fillBackgroundDelegate = new SubstanceFillBackgroundDelegate(
fillAlpha);
}
// /**
// * Paints the highlight background for the specified menu item.
// *
// * @param g
// * Graphic context.
// * @param menuItem
// * Menu item.
// * @param width
// * Background width.
// * @param height
// * Background height.
// * @param theme
// * Theme for the background.
// * @param borderAlpha
// * Border alpha.
// */
// private void paintHighlight(Graphics g, JMenuItem menuItem,
// ComponentState currState, ComponentState prevState, int width,
// int height, float borderAlpha) {
// SubstanceHighlightUtils.paintHighlight(g, menuItem, currState,
// prevState, new Rectangle(0, 0, menuItem.getWidth(), menuItem
// .getHeight()), borderAlpha);
// }
/**
* Updates the specified menu item with the background that matches the
* provided parameters.
*
* @param g
* Graphic context.
* @param menuItem
* Menu item.
* @param bgColor
* Current background color.
* @param borderAlpha
* Border alpha.
* @param textOffset
* The offset of the menu item text.
*/
public void paintBackground(Graphics g, JMenuItem menuItem, Color bgColor,
float borderAlpha, int textOffset) {
if (!menuItem.isShowing())
return;
int menuWidth = menuItem.getWidth();
int menuHeight = menuItem.getHeight();
Graphics2D graphics = (Graphics2D) g.create();
if (TransitionLayout.isOpaque(menuItem)) {
// // menu item is opaque and selected (or armed) -
// // use background color of the item (with watermark)
// graphics.setColor(menuItem.getBackground());
Component comp = menuItem.getParent();
// graphics.fillRect(0, 0, menuWidth, menuHeight);
// // System.out.println(menuItem.getText());
this.fillBackgroundDelegate.setWatermarkAlpha(0.4f);
while (comp != null) {
// System.out.println("\t" + comp.getClass().getName());
if (comp instanceof JMenuItem) {
break;
}
if (comp instanceof JMenuBar) {
// top-level
this.fillBackgroundDelegate.setWatermarkAlpha(1.0f);
break;
}
comp = comp.getParent();
}
// if (!(menuItem.getParent() instanceof JMenuBar))
if (TransitionLayout.isOpaque(menuItem)) {
this.fillBackgroundDelegate.update(graphics, menuItem, false);
}
if (menuItem.getParent() instanceof JPopupMenu) {
if (menuItem.getComponentOrientation().isLeftToRight()) {
MenuGutterFillKind fillKind = SubstanceCoreUtilities
.getMenuGutterFillKind();
if (fillKind != MenuGutterFillKind.NONE) {
ColorScheme scheme = SubstanceThemeUtilities.getTheme(
menuItem, ComponentState.DEFAULT)
.getColorScheme();
Color leftColor = ((fillKind == MenuGutterFillKind.SOFT_FILL) || (fillKind == MenuGutterFillKind.HARD)) ? scheme
.getUltraLightColor()
: scheme.getLightColor();
Color rightColor = ((fillKind == MenuGutterFillKind.SOFT_FILL) || (fillKind == MenuGutterFillKind.SOFT)) ? scheme
.getUltraLightColor()
: scheme.getLightColor();
GradientPaint gp = new GradientPaint(0, 0, leftColor,
textOffset, 0, rightColor);
graphics.setComposite(TransitionLayout
.getAlphaComposite(menuItem, 0.7f, g));
// System.out.println(menuItem.getText()
// + "["
// + menuItem.isEnabled()
// + "] : "
// + ((AlphaComposite) graphics.getComposite())
// .getAlpha() + ", " + leftColor + "->"
// + rightColor);
//
graphics.setPaint(gp);
graphics.fillRect(0, 0, textOffset - 2, menuHeight);
}
} else {
// fix for defect 125 - support of RTL menus
MenuGutterFillKind fillKind = SubstanceCoreUtilities
.getMenuGutterFillKind();
if (fillKind != MenuGutterFillKind.NONE) {
ColorScheme scheme = SubstanceThemeUtilities.getTheme(
menuItem, ComponentState.DEFAULT)
.getColorScheme();
Color leftColor = ((fillKind == MenuGutterFillKind.HARD_FILL) || (fillKind == MenuGutterFillKind.HARD)) ? scheme
.getLightColor()
: scheme.getUltraLightColor();
Color rightColor = ((fillKind == MenuGutterFillKind.HARD_FILL) || (fillKind == MenuGutterFillKind.SOFT)) ? scheme
.getLightColor()
: scheme.getUltraLightColor();
GradientPaint gp = new GradientPaint(textOffset, 0,
leftColor, menuWidth, 0, rightColor);
graphics.setComposite(TransitionLayout
.getAlphaComposite(menuItem, 0.7f, g));
graphics.setPaint(gp);
graphics.fillRect(textOffset - 2, 0, menuWidth,
menuHeight);
}
}
}
}
graphics.dispose();
}
public static void paintHighlights(Graphics g, JMenuItem menuItem,
float borderAlpha) {
Graphics2D graphics = (Graphics2D) g.create();
ButtonModel model = menuItem.getModel();
// int menuWidth = menuItem.getWidth();
// int menuHeight = menuItem.getHeight();
ComponentState prevState = SubstanceCoreUtilities
.getPrevComponentState(menuItem);
ComponentState currState = ComponentState.getState(model, menuItem,
!(menuItem instanceof JMenu));
// Compute the alpha values for the animation (the highlights
// have separate alpha channels, so that rollover animation can start
// from 0.0 alpha and goes to 0.4 alpha on non-selected cells,
// but on selected cells can go from 0.7 to 0.9). We need to respect
// these border values for proper visual transitions
float startAlpha = SubstanceThemeUtilities.getHighlightAlpha(menuItem,
prevState);
float endAlpha = SubstanceThemeUtilities.getHighlightAlpha(menuItem,
currState);
SubstanceTheme prevTheme = SubstanceThemeUtilities.getHighlightTheme(
menuItem, prevState);
SubstanceTheme currTheme = SubstanceThemeUtilities.getHighlightTheme(
menuItem, currState);
FadeState state = SubstanceFadeUtilities.getFadeState(menuItem,
FadeKind.SELECTION, FadeKind.ARM, FadeKind.ROLLOVER);
float fadeCoef = 0.0f;
float totalAlpha = endAlpha;
if (state != null) {
fadeCoef = state.getFadePosition();
// compute the total alpha of the overlays.
if (state.isFadingIn()) {
totalAlpha = startAlpha + (endAlpha - startAlpha) * fadeCoef
/ 10.0f;
} else {
totalAlpha = startAlpha + (endAlpha - startAlpha)
* (10.0f - fadeCoef) / 10.0f;
}
if (state.isFadingIn())
fadeCoef = 10.0f - fadeCoef;
// System.out.println(menuItem.getText() + " from " +
// prevState.name()
// + "[" + alphaForPrevBackground + "] to " + currState.name()
// + "[" + alphaForCurrBackground + "] at " + fadeCoef);
// System.out.println("From " + prevTheme.getDisplayName() + " to :"
// + currTheme.getDisplayName());
}
// System.out.println(menuItem.getText() + "[" + currState.name() + "]:"
// + prevTheme.getDisplayName() + "[" + alphaForPrevBackground
// + "]:" + currTheme.getDisplayName() + "["
// + alphaForCurrBackground + "]");
// System.out.println("ARM:" + menuItem.getModel().isArmed() + ", ENA:"
// + menuItem.getModel().isEnabled() + ", PRE:"
// + menuItem.getModel().isPressed() + ", ROL:"
// + menuItem.getModel().isRollover() + ", SEL:"
// + menuItem.getModel().isSelected());
// fix for defect 103 - no rollover effects on menu items
// that are not in the selected menu path
MenuElement[] selectedMenuPath = MenuSelectionManager.defaultManager()
.getSelectedPath();
boolean isRollover = (selectedMenuPath.length == 0);
for (MenuElement elem : selectedMenuPath) {
if (elem == menuItem) {
isRollover = true;
break;
}
}
isRollover = isRollover && model.isRollover();
boolean hasHighlight = (state != null) || model.isArmed() || isRollover
|| ((menuItem instanceof JMenu) && model.isSelected());
if (hasHighlight && (totalAlpha > 0.0f)) {
graphics.setComposite(TransitionLayout.getAlphaComposite(menuItem,
totalAlpha, g));
SubstanceHighlightUtils.paintHighlight(graphics, menuItem,
new Rectangle(0, 0, menuItem.getWidth(), menuItem
.getHeight()), borderAlpha, null, currTheme
.getColorScheme(), prevTheme.getColorScheme(),
fadeCoef);
graphics.setComposite(TransitionLayout.getAlphaComposite(menuItem,
g));
}
graphics.dispose();
}
}
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