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/*
* Copyright (c) 2005-2010 Flamingo 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 Flamingo 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.pushingpixels.flamingo.internal.utils;
import java.awt.*;
import java.awt.geom.GeneralPath;
import java.awt.image.BufferedImage;
import java.util.List;
import javax.swing.*;
import javax.swing.plaf.*;
import org.pushingpixels.flamingo.api.common.AbstractCommandButton;
import org.pushingpixels.flamingo.api.common.JCommandButton;
import org.pushingpixels.flamingo.api.common.icon.ResizableIcon;
import org.pushingpixels.flamingo.api.common.popup.PopupPanelManager;
import org.pushingpixels.flamingo.api.ribbon.*;
import org.pushingpixels.flamingo.api.ribbon.resize.IconRibbonBandResizePolicy;
import org.pushingpixels.flamingo.api.ribbon.resize.RibbonBandResizePolicy;
import org.pushingpixels.flamingo.internal.ui.ribbon.AbstractBandControlPanel;
import org.pushingpixels.flamingo.internal.ui.ribbon.JRibbonTaskToggleButton;
import org.pushingpixels.flamingo.internal.ui.ribbon.appmenu.JRibbonApplicationMenuButton;
/**
* Helper utilities for Flamingo project. This class is for internal use only.
*
* @author Kirill Grouchnikov
*/
public class FlamingoUtilities {
/**
* Gets the component font.
*
* @param comp
* Component.
* @param keys
* {@link UIManager} keys.
* @return If the component is not null, its font is returned.
* Otherwise the first entry in {@link UIManager} which is a
* {@link Font} is returned.
*/
public static FontUIResource getFont(Component comp, String... keys) {
if (comp != null) {
Font compFont = comp.getFont();
if ((compFont != null) && !(compFont instanceof UIResource)) {
return new FontUIResource(compFont);
}
}
for (String key : keys) {
Font font = UIManager.getFont(key);
if (font != null) {
if (font instanceof UIResource)
return (FontUIResource) font;
else
return new FontUIResource(font);
}
}
return null;
}
/**
* Gets the color based on the specified {@link UIManager} keys.
*
* @param defaultColor
* Default color to return if none of the {@link UIManager} keys
* are present.
* @param keys
* {@link UIManager} keys.
* @return The first entry in {@link UIManager} which is a color. If none,
* then the default color is returned.
*/
public static Color getColor(Color defaultColor, String... keys) {
for (String key : keys) {
Color color = UIManager.getColor(key);
if (color != null)
return color;
}
return new ColorUIResource(defaultColor);
}
/**
* Returns a ribbon band expand icon.
*
* @return Ribbon band expand icon.
*/
public static ResizableIcon getRibbonBandExpandIcon(
AbstractRibbonBand ribbonBand) {
boolean ltr = ribbonBand.getComponentOrientation().isLeftToRight();
return new ArrowResizableIcon(9, ltr ? SwingConstants.EAST
: SwingConstants.WEST);
}
/**
* Returns a popup action icon for the specific command button.
*/
public static ResizableIcon getCommandButtonPopupActionIcon(
JCommandButton commandButton) {
JCommandButton.CommandButtonPopupOrientationKind popupOrientationKind = commandButton
.getPopupOrientationKind();
switch (popupOrientationKind) {
case DOWNWARD:
return new ArrowResizableIcon.CommandButtonPopupIcon(9,
SwingConstants.SOUTH);
case SIDEWARD:
return new ArrowResizableIcon.CommandButtonPopupIcon(
9,
commandButton.getComponentOrientation().isLeftToRight() ? SwingConstants.EAST
: SwingConstants.WEST);
}
return null;
}
/**
* Creates a thumbnail of the specified width.
*
* @param image
* The original image.
* @param requestedThumbWidth
* The width of the resulting thumbnail.
* @return Thumbnail of the specified width.
* @author Romain Guy
*/
public static BufferedImage createThumbnail(BufferedImage image,
int requestedThumbWidth) {
float ratio = (float) image.getWidth() / (float) image.getHeight();
int width = image.getWidth();
BufferedImage thumb = image;
do {
width /= 2;
if (width < requestedThumbWidth) {
width = requestedThumbWidth;
}
BufferedImage temp = new BufferedImage(width,
(int) (width / ratio), BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = temp.createGraphics();
g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2.drawImage(thumb, 0, 0, temp.getWidth(), temp.getHeight(), null);
g2.dispose();
thumb = temp;
} while (width != requestedThumbWidth);
return thumb;
}
/**
* Returns the outline of the ribbon border.
*
* @param startX
* The starting X of the ribbon area.
* @param endX
* The ending X of the ribbon area.
* @param startSelectedX
* The starting X of the toggle tab button of the selected task.
* @param endSelectedX
* The ending X of the toggle tab button of the selected task.
* @param topY
* The top Y of the ribbon area.
* @param bandTopY
* The top Y of the ribbon band area.
* @param bottomY
* The bottom Y of the ribbon area.
* @param radius
* Corner radius.
* @return The outline of the ribbon border.
*/
public static GeneralPath getRibbonBorderOutline(int startX, int endX,
int startSelectedX, int endSelectedX, int topY, int bandTopY,
int bottomY, float radius) {
int height = bottomY - topY;
GeneralPath result = new GeneralPath();
float radius3 = (float) (radius / (1.5 * Math.pow(height, 0.5)));
// start in the top left corner at the end of the curve
result.moveTo(startX + radius, bandTopY);
// move to the bottom start of the selected tab and curve up
result.lineTo(startSelectedX - radius, bandTopY);
// result.quadTo(startSelectedX - radius3, bandTopY - radius3,
// startSelectedX, bandTopY - radius);
// move to the top start of the selected tab and curve right
// result.lineTo(startSelectedX, topY + radius);
// result.quadTo(startSelectedX + radius3, topY + radius3,
// startSelectedX
// + radius, topY);
// move to the top end of the selected tab and curve down
// result.lineTo(endSelectedX - radius - 1, topY);
// result.quadTo(endSelectedX + radius3 - 1, topY + radius3,
// endSelectedX - 1, topY + radius);
// move to the bottom end of the selected tab and curve right
// result.lineTo(endSelectedX - 1, bandTopY - radius);
// result.quadTo(endSelectedX + radius3 - 1, bandTopY - radius3,
// endSelectedX + radius - 1, bandTopY);
result.moveTo(endSelectedX + radius - 1, bandTopY);
// move to the top right corner and curve down
result.lineTo(endX - radius - 1, bandTopY);
result.quadTo(endX - radius3 - 1, bandTopY + radius3, endX - 1,
bandTopY + radius);
// move to the bottom right corner and curve left
result.lineTo(endX - 1, bottomY - radius - 1);
result.quadTo(endX - radius3 - 1, bottomY - 1 - radius3, endX - radius
- 1, bottomY - 1);
// move to the bottom left corner and curve up
result.lineTo(startX + radius, bottomY - 1);
result.quadTo(startX + radius3, bottomY - 1 - radius3, startX, bottomY
- radius - 1);
// move to the top left corner and curve right
result.lineTo(startX, bandTopY + radius);
result.quadTo(startX + radius3, bandTopY + radius3, startX + radius,
bandTopY);
return result;
}
/**
* Returns the clip area of a task toggle button in ribbon component.
*
* @param width
* Toggle tab button width.
* @param height
* Toggle tab button height.
* @param radius
* Toggle tab button corner radius.
* @return Clip area of a toggle tab button in ribbon component.
*/
public static GeneralPath getRibbonTaskToggleButtonOutline(int width,
int height, float radius) {
GeneralPath result = new GeneralPath();
float radius3 = (float) (radius / (1.5 * Math.pow(height, 0.5)));
// start at the bottom left
result.moveTo(0, height);
// move to the top start and curve right
result.lineTo(0, radius);
result.quadTo(radius3, radius3, radius, 0);
// move to the top end and curve down
result.lineTo(width - radius - 1, 0);
result.quadTo(width + radius3 - 1, radius3, width - 1, radius);
// move to the bottom right end
result.lineTo(width - 1, height);
// move to the bottom left end
result.lineTo(0, height);
return result;
}
/**
* Returns the outline of in-ribbon gallery.
*
* @param startX
* Start X of the in-ribbon gallery.
* @param endX
* End X of the in-ribbon gallery.
* @param topY
* Top Y of the in-ribbon gallery.
* @param bottomY
* Bottom Y of the in-ribbon gallery.
* @param radius
* Corner radius.
* @return The outline of in-ribbon gallery.
*/
public static GeneralPath getRibbonGalleryOutline(int startX, int endX,
int topY, int bottomY, float radius) {
int height = bottomY - topY;
GeneralPath result = new GeneralPath();
float radius3 = (float) (radius / (1.5 * Math.pow(height, 0.5)));
// start in the top left corner at the end of the curve
result.moveTo(startX + radius, topY);
// move to the top right corner and curve down
result.lineTo(endX - radius - 1, topY);
result.quadTo(endX - radius3 - 1, topY + radius3, endX - 1, topY
+ radius);
// move to the bottom right corner and curve left
result.lineTo(endX - 1, bottomY - radius - 1);
result.quadTo(endX - radius3 - 1, bottomY - 1 - radius3, endX - radius
- 1, bottomY - 1);
// move to the bottom left corner and curve up
result.lineTo(startX + radius, bottomY - 1);
result.quadTo(startX + radius3, bottomY - 1 - radius3, startX, bottomY
- radius - 1);
// move to the top left corner and curve right
result.lineTo(startX, topY + radius);
result.quadTo(startX + radius3, topY + radius3, startX + radius, topY);
return result;
}
/**
* Clips string based on specified font metrics and available width (in
* pixels). Returns the clipped string, which contains the beginning and the
* end of the input string separated by ellipses (...) in case the string is
* too long to fit into the specified width, and the origianl string
* otherwise.
*
* @param metrics
* Font metrics.
* @param availableWidth
* Available width in pixels.
* @param fullText
* String to clip.
* @return The clipped string, which contains the beginning and the end of
* the input string separated by ellipses (...) in case the string
* is too long to fit into the specified width, and the origianl
* string otherwise.
*/
public static String clipString(FontMetrics metrics, int availableWidth,
String fullText) {
if (metrics.stringWidth(fullText) <= availableWidth)
return fullText;
String ellipses = "...";
int ellipsesWidth = metrics.stringWidth(ellipses);
if (ellipsesWidth > availableWidth)
return "";
String starter = "";
int w = fullText.length();
String prevText = "";
for (int i = 0; i < w; i++) {
String newStarter = starter + fullText.charAt(i);
String newText = newStarter + ellipses;
if (metrics.stringWidth(newText) <= availableWidth) {
starter = newStarter;
prevText = newText;
continue;
}
return prevText;
}
return fullText;
}
/**
* Retrieves transparent image of specified dimension.
*
* @param width
* Image width.
* @param height
* Image height.
* @return Transparent image of specified dimension.
*/
public static BufferedImage getBlankImage(int width, int height) {
GraphicsEnvironment e = GraphicsEnvironment
.getLocalGraphicsEnvironment();
GraphicsDevice d = e.getDefaultScreenDevice();
GraphicsConfiguration c = d.getDefaultConfiguration();
BufferedImage compatibleImage = c.createCompatibleImage(width, height,
Transparency.TRANSLUCENT);
return compatibleImage;
}
/**
* Returns the alpha version of the specified color.
*
* @param color
* Original color.
* @param alpha
* Alpha channel value.
* @return Alpha version of the specified color.
*/
public static Color getAlphaColor(Color color, int alpha) {
return new Color(color.getRed(), color.getGreen(), color.getBlue(),
alpha);
}
public static int getHLayoutGap(AbstractCommandButton commandButton) {
Font font = commandButton.getFont();
if (font == null)
font = UIManager.getFont("Button.font");
return (int) Math.ceil(commandButton.getHGapScaleFactor()
* (font.getSize() - 4) / 4);
}
public static int getVLayoutGap(AbstractCommandButton commandButton) {
Font font = commandButton.getFont();
if (font == null)
font = UIManager.getFont("Button.font");
return (int) Math.ceil(commandButton.getVGapScaleFactor()
* (font.getSize() - 4) / 4);
}
public static boolean hasPopupAction(AbstractCommandButton commandButton) {
if (commandButton instanceof JCommandButton) {
JCommandButton jcb = (JCommandButton) commandButton;
return jcb.getCommandButtonKind().hasPopup();
}
return false;
}
/**
* Handles updating the application menu button icon image. If
* ribbonFrame does not have an application menu button nothing
* is performed.
*
* @param ribbonFrame
* the ribbon frame containing the application icon
*/
public static void updateRibbonFrameIconImages(JRibbonFrame ribbonFrame) {
JRibbonApplicationMenuButton appMenuButton = getApplicationMenuButton(ribbonFrame);
if (appMenuButton == null) {
return;
}
ResizableIcon appIcon = ribbonFrame.getApplicationIcon();
if (appIcon != null) {
appMenuButton.setIcon(appIcon);
}
}
/**
* Recursively searches the comp child components for a
* JRibbonApplicationMenuButton and returns it. If nothing is
* found null is returned.
*
* @param comp
* the component to recursively search
* @return the JRibbonApplicationMenuButton, or
* null if not found
*/
public static JRibbonApplicationMenuButton getApplicationMenuButton(
Component comp) {
if (comp instanceof JRibbonApplicationMenuButton)
return (JRibbonApplicationMenuButton) comp;
if (comp instanceof Container) {
Container cont = (Container) comp;
for (int i = 0; i < cont.getComponentCount(); i++) {
JRibbonApplicationMenuButton result = getApplicationMenuButton(cont
.getComponent(i));
if ((result != null) && result.isVisible())
return result;
}
}
return null;
}
public static void renderSurface(Graphics g, Container c, Rectangle rect,
boolean toSimulateRollover, boolean hasTopBorder,
boolean hasBottomBorder) {
CellRendererPane buttonRendererPane = new CellRendererPane();
JButton rendererButton = new JButton("");
rendererButton.getModel().setRollover(toSimulateRollover);
buttonRendererPane.setBounds(rect.x, rect.y, rect.width, rect.height);
Graphics2D g2d = (Graphics2D) g.create();
g2d.clipRect(rect.x, rect.y, rect.width, rect.height);
buttonRendererPane.paintComponent(g2d, rendererButton, c, rect.x
- rect.width / 2, rect.y - rect.height / 2, 2 * rect.width,
2 * rect.height, true);
g2d.setColor(FlamingoUtilities.getBorderColor());
if (hasTopBorder) {
g2d.drawLine(rect.x, rect.y, rect.x + rect.width - 1, rect.y);
}
if (hasBottomBorder) {
g2d.drawLine(rect.x, rect.y + rect.height - 1, rect.x + rect.width
- 1, rect.y + rect.height - 1);
}
g2d.dispose();
}
/**
* Returns lighter version of the specified color.
*
* @param color
* Color.
* @param diff
* Difference factor (values closer to 1.0 will produce results
* closer to white color).
* @return Lighter version of the specified color.
*/
public static Color getLighterColor(Color color, double diff) {
int r = color.getRed() + (int) (diff * (255 - color.getRed()));
int g = color.getGreen() + (int) (diff * (255 - color.getGreen()));
int b = color.getBlue() + (int) (diff * (255 - color.getBlue()));
return new Color(r, g, b);
}
public static Color getBorderColor() {
return FlamingoUtilities.getColor(Color.gray,
"TextField.inactiveForeground", "Button.disabledText",
"ComboBox.disabledForeground");
}
public static boolean isShowingMinimizedRibbonInPopup(JRibbon ribbon) {
List popups = PopupPanelManager
.defaultManager().getShownPath();
if (popups.size() == 0)
return false;
for (PopupPanelManager.PopupInfo popup : popups) {
JComponent originator = popup.getPopupOriginator();
if (originator instanceof JRibbonTaskToggleButton) {
return (ribbon == SwingUtilities.getAncestorOfClass(
JRibbon.class, originator));
}
}
return false;
}
public static boolean isShowingMinimizedRibbonInPopup(
JRibbonTaskToggleButton taskToggleButton) {
List popups = PopupPanelManager
.defaultManager().getShownPath();
if (popups.size() == 0)
return false;
for (PopupPanelManager.PopupInfo popup : popups) {
JComponent originator = popup.getPopupOriginator();
if (originator == taskToggleButton)
return true;
}
return false;
}
public static void checkResizePoliciesConsistency(
AbstractRibbonBand ribbonBand) {
Insets ins = ribbonBand.getInsets();
AbstractBandControlPanel controlPanel = ribbonBand.getControlPanel();
if (controlPanel == null)
return;
int height = controlPanel.getPreferredSize().height
+ ribbonBand.getUI().getBandTitleHeight() + ins.top
+ ins.bottom;
List resizePolicies = ribbonBand
.getResizePolicies();
checkResizePoliciesConsistencyBase(ribbonBand);
for (int i = 0; i < (resizePolicies.size() - 1); i++) {
RibbonBandResizePolicy policy1 = resizePolicies.get(i);
RibbonBandResizePolicy policy2 = resizePolicies.get(i + 1);
int width1 = policy1.getPreferredWidth(height, 4);
int width2 = policy2.getPreferredWidth(height, 4);
if (width1 < width2) {
// create the trace message
StringBuilder builder = new StringBuilder();
builder.append("Inconsistent preferred widths\n");
builder.append("Ribbon band '");
builder.append(ribbonBand.getTitle());
builder.append("' has the following resize policies\n");
for (RibbonBandResizePolicy policy : resizePolicies) {
int width = policy.getPreferredWidth(height, 4);
builder.append("\t");
builder.append(policy.getClass().getName());
builder.append(" with preferred width ");
builder.append(width).append("\n");
}
builder.append(policy1.getClass().getName());
builder.append(" with pref width ");
builder.append(width1);
builder.append(" is followed by resize policy ");
builder.append(policy2.getClass().getName());
builder.append(" with larger pref width\n");
throw new IllegalStateException(builder.toString());
}
}
}
public static void checkResizePoliciesConsistencyBase(
AbstractRibbonBand ribbonBand) {
List resizePolicies = ribbonBand
.getResizePolicies();
if (resizePolicies.size() == 0) {
throw new IllegalStateException("Resize policy list is empty");
}
for (int i = 0; i < resizePolicies.size(); i++) {
RibbonBandResizePolicy policy = resizePolicies.get(i);
boolean isIcon = policy instanceof IconRibbonBandResizePolicy;
if (isIcon && (i < (resizePolicies.size() - 1))) {
throw new IllegalStateException(
"Icon resize policy must be the last in the list");
}
}
}
}
