| /* |
| * Copyright (c) 2002, 2008, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package javax.swing.plaf.synth; |
| |
| import javax.swing.*; |
| import java.awt.*; |
| import java.beans.*; |
| import javax.swing.plaf.*; |
| import javax.swing.plaf.basic.BasicButtonUI; |
| import javax.swing.plaf.basic.BasicHTML; |
| import javax.swing.text.View; |
| |
| /** |
| * Provides the Synth L&F UI delegate for |
| * {@link javax.swing.JButton}. |
| * |
| * @author Scott Violet |
| * @since 1.7 |
| */ |
| public class SynthButtonUI extends BasicButtonUI implements |
| PropertyChangeListener, SynthUI { |
| private SynthStyle style; |
| |
| /** |
| * Creates a new UI object for the given component. |
| * |
| * @param c component to create UI object for |
| * @return the UI object |
| */ |
| public static ComponentUI createUI(JComponent c) { |
| return new SynthButtonUI(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installDefaults(AbstractButton b) { |
| updateStyle(b); |
| |
| LookAndFeel.installProperty(b, "rolloverEnabled", Boolean.TRUE); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void installListeners(AbstractButton b) { |
| super.installListeners(b); |
| b.addPropertyChangeListener(this); |
| } |
| |
| void updateStyle(AbstractButton b) { |
| SynthContext context = getContext(b, SynthConstants.ENABLED); |
| SynthStyle oldStyle = style; |
| style = SynthLookAndFeel.updateStyle(context, this); |
| if (style != oldStyle) { |
| if (b.getMargin() == null || |
| (b.getMargin() instanceof UIResource)) { |
| Insets margin = (Insets)style.get(context,getPropertyPrefix() + |
| "margin"); |
| |
| if (margin == null) { |
| // Some places assume margins are non-null. |
| margin = SynthLookAndFeel.EMPTY_UIRESOURCE_INSETS; |
| } |
| b.setMargin(margin); |
| } |
| |
| Object value = style.get(context, getPropertyPrefix() + "iconTextGap"); |
| if (value != null) { |
| LookAndFeel.installProperty(b, "iconTextGap", value); |
| } |
| |
| value = style.get(context, getPropertyPrefix() + "contentAreaFilled"); |
| LookAndFeel.installProperty(b, "contentAreaFilled", |
| value != null? value : Boolean.TRUE); |
| |
| if (oldStyle != null) { |
| uninstallKeyboardActions(b); |
| installKeyboardActions(b); |
| } |
| |
| } |
| context.dispose(); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallListeners(AbstractButton b) { |
| super.uninstallListeners(b); |
| b.removePropertyChangeListener(this); |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| protected void uninstallDefaults(AbstractButton b) { |
| SynthContext context = getContext(b, ENABLED); |
| |
| style.uninstallDefaults(context); |
| context.dispose(); |
| style = null; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public SynthContext getContext(JComponent c) { |
| return getContext(c, getComponentState(c)); |
| } |
| |
| SynthContext getContext(JComponent c, int state) { |
| Region region = SynthLookAndFeel.getRegion(c); |
| return SynthContext.getContext(SynthContext.class, c, region, |
| style, state); |
| } |
| |
| /** |
| * Returns the current state of the passed in <code>AbstractButton</code>. |
| */ |
| private int getComponentState(JComponent c) { |
| int state = ENABLED; |
| |
| if (!c.isEnabled()) { |
| state = DISABLED; |
| } |
| if (SynthLookAndFeel.selectedUI == this) { |
| return SynthLookAndFeel.selectedUIState | SynthConstants.ENABLED; |
| } |
| AbstractButton button = (AbstractButton) c; |
| ButtonModel model = button.getModel(); |
| |
| if (model.isPressed()) { |
| if (model.isArmed()) { |
| state = PRESSED; |
| } |
| else { |
| state = MOUSE_OVER; |
| } |
| } |
| if (model.isRollover()) { |
| state |= MOUSE_OVER; |
| } |
| if (model.isSelected()) { |
| state |= SELECTED; |
| } |
| if (c.isFocusOwner() && button.isFocusPainted()) { |
| state |= FOCUSED; |
| } |
| if ((c instanceof JButton) && ((JButton)c).isDefaultButton()) { |
| state |= DEFAULT; |
| } |
| return state; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public int getBaseline(JComponent c, int width, int height) { |
| if (c == null) { |
| throw new NullPointerException("Component must be non-null"); |
| } |
| if (width < 0 || height < 0) { |
| throw new IllegalArgumentException( |
| "Width and height must be >= 0"); |
| } |
| AbstractButton b = (AbstractButton)c; |
| String text = b.getText(); |
| if (text == null || "".equals(text)) { |
| return -1; |
| } |
| Insets i = b.getInsets(); |
| Rectangle viewRect = new Rectangle(); |
| Rectangle textRect = new Rectangle(); |
| Rectangle iconRect = new Rectangle(); |
| viewRect.x = i.left; |
| viewRect.y = i.top; |
| viewRect.width = width - (i.right + viewRect.x); |
| viewRect.height = height - (i.bottom + viewRect.y); |
| |
| // layout the text and icon |
| SynthContext context = getContext(b); |
| FontMetrics fm = context.getComponent().getFontMetrics( |
| context.getStyle().getFont(context)); |
| context.getStyle().getGraphicsUtils(context).layoutText( |
| context, fm, b.getText(), b.getIcon(), |
| b.getHorizontalAlignment(), b.getVerticalAlignment(), |
| b.getHorizontalTextPosition(), b.getVerticalTextPosition(), |
| viewRect, iconRect, textRect, b.getIconTextGap()); |
| View view = (View)b.getClientProperty(BasicHTML.propertyKey); |
| int baseline; |
| if (view != null) { |
| baseline = BasicHTML.getHTMLBaseline(view, textRect.width, |
| textRect.height); |
| if (baseline >= 0) { |
| baseline += textRect.y; |
| } |
| } |
| else { |
| baseline = textRect.y + fm.getAscent(); |
| } |
| context.dispose(); |
| return baseline; |
| } |
| |
| // ******************************** |
| // Paint Methods |
| // ******************************** |
| |
| /** |
| * Notifies this UI delegate to repaint the specified component. |
| * This method paints the component background, then calls |
| * the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * <p>In general, this method does not need to be overridden by subclasses. |
| * All Look and Feel rendering code should reside in the {@code paint} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void update(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| SynthLookAndFeel.update(context, g); |
| paintBackground(context, g, c); |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component according to the Look and Feel. |
| * <p>This method is not used by Synth Look and Feel. |
| * Painting is handled by the {@link #paint(SynthContext,Graphics)} method. |
| * |
| * @param g the {@code Graphics} object used for painting |
| * @param c the component being painted |
| * @see #paint(SynthContext,Graphics) |
| */ |
| @Override |
| public void paint(Graphics g, JComponent c) { |
| SynthContext context = getContext(c); |
| |
| paint(context, g); |
| context.dispose(); |
| } |
| |
| /** |
| * Paints the specified component. |
| * |
| * @param context context for the component being painted |
| * @param g the {@code Graphics} object used for painting |
| * @see #update(Graphics,JComponent) |
| */ |
| protected void paint(SynthContext context, Graphics g) { |
| AbstractButton b = (AbstractButton)context.getComponent(); |
| |
| g.setColor(context.getStyle().getColor(context, |
| ColorType.TEXT_FOREGROUND)); |
| g.setFont(style.getFont(context)); |
| context.getStyle().getGraphicsUtils(context).paintText( |
| context, g, b.getText(), getIcon(b), |
| b.getHorizontalAlignment(), b.getVerticalAlignment(), |
| b.getHorizontalTextPosition(), b.getVerticalTextPosition(), |
| b.getIconTextGap(), b.getDisplayedMnemonicIndex(), |
| getTextShiftOffset(context)); |
| } |
| |
| void paintBackground(SynthContext context, Graphics g, JComponent c) { |
| if (((AbstractButton) c).isContentAreaFilled()) { |
| context.getPainter().paintButtonBackground(context, g, 0, 0, |
| c.getWidth(), |
| c.getHeight()); |
| } |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void paintBorder(SynthContext context, Graphics g, int x, |
| int y, int w, int h) { |
| context.getPainter().paintButtonBorder(context, g, x, y, w, h); |
| } |
| |
| /** |
| * Returns the default icon. This should not callback |
| * to the JComponent. |
| * |
| * @param b button the icon is associated with |
| * @return default icon |
| */ |
| protected Icon getDefaultIcon(AbstractButton b) { |
| SynthContext context = getContext(b); |
| Icon icon = context.getStyle().getIcon(context, getPropertyPrefix() + "icon"); |
| context.dispose(); |
| return icon; |
| } |
| |
| /** |
| * Returns the Icon to use for painting the button. The icon is chosen with |
| * respect to the current state of the button. |
| * |
| * @param b button the icon is associated with |
| * @return an icon |
| */ |
| protected Icon getIcon(AbstractButton b) { |
| Icon icon = b.getIcon(); |
| ButtonModel model = b.getModel(); |
| |
| if (!model.isEnabled()) { |
| icon = getSynthDisabledIcon(b, icon); |
| } else if (model.isPressed() && model.isArmed()) { |
| icon = getPressedIcon(b, getSelectedIcon(b, icon)); |
| } else if (b.isRolloverEnabled() && model.isRollover()) { |
| icon = getRolloverIcon(b, getSelectedIcon(b, icon)); |
| } else if (model.isSelected()) { |
| icon = getSelectedIcon(b, icon); |
| } else { |
| icon = getEnabledIcon(b, icon); |
| } |
| if(icon == null) { |
| return getDefaultIcon(b); |
| } |
| return icon; |
| } |
| |
| /** |
| * This method will return the icon that should be used for a button. We |
| * only want to use the synth icon defined by the style if the specific |
| * icon has not been defined for the button state and the backup icon is a |
| * UIResource (we set it, not the developer). |
| * |
| * @param b button |
| * @param specificIcon icon returned from the button for the specific state |
| * @param defaultIcon fallback icon |
| * @param state the synth state of the button |
| */ |
| private Icon getIcon(AbstractButton b, Icon specificIcon, Icon defaultIcon, |
| int state) { |
| Icon icon = specificIcon; |
| if (icon == null) { |
| if (defaultIcon instanceof UIResource) { |
| icon = getSynthIcon(b, state); |
| if (icon == null) { |
| icon = defaultIcon; |
| } |
| } else { |
| icon = defaultIcon; |
| } |
| } |
| return icon; |
| } |
| |
| private Icon getSynthIcon(AbstractButton b, int synthConstant) { |
| return style.getIcon(getContext(b, synthConstant), getPropertyPrefix() + "icon"); |
| } |
| |
| private Icon getEnabledIcon(AbstractButton b, Icon defaultIcon) { |
| if (defaultIcon == null) { |
| defaultIcon = getSynthIcon(b, SynthConstants.ENABLED); |
| } |
| return defaultIcon; |
| } |
| |
| private Icon getSelectedIcon(AbstractButton b, Icon defaultIcon) { |
| return getIcon(b, b.getSelectedIcon(), defaultIcon, |
| SynthConstants.SELECTED); |
| } |
| |
| private Icon getRolloverIcon(AbstractButton b, Icon defaultIcon) { |
| ButtonModel model = b.getModel(); |
| Icon icon; |
| if (model.isSelected()) { |
| icon = getIcon(b, b.getRolloverSelectedIcon(), defaultIcon, |
| SynthConstants.MOUSE_OVER | SynthConstants.SELECTED); |
| } else { |
| icon = getIcon(b, b.getRolloverIcon(), defaultIcon, |
| SynthConstants.MOUSE_OVER); |
| } |
| return icon; |
| } |
| |
| private Icon getPressedIcon(AbstractButton b, Icon defaultIcon) { |
| return getIcon(b, b.getPressedIcon(), defaultIcon, |
| SynthConstants.PRESSED); |
| } |
| |
| private Icon getSynthDisabledIcon(AbstractButton b, Icon defaultIcon) { |
| ButtonModel model = b.getModel(); |
| Icon icon; |
| if (model.isSelected()) { |
| icon = getIcon(b, b.getDisabledSelectedIcon(), defaultIcon, |
| SynthConstants.DISABLED | SynthConstants.SELECTED); |
| } else { |
| icon = getIcon(b, b.getDisabledIcon(), defaultIcon, |
| SynthConstants.DISABLED); |
| } |
| return icon; |
| } |
| |
| /** |
| * Returns the amount to shift the text/icon when painting. |
| */ |
| private int getTextShiftOffset(SynthContext state) { |
| AbstractButton button = (AbstractButton)state.getComponent(); |
| ButtonModel model = button.getModel(); |
| |
| if (model.isArmed() && model.isPressed() && |
| button.getPressedIcon() == null) { |
| return state.getStyle().getInt(state, getPropertyPrefix() + |
| "textShiftOffset", 0); |
| } |
| return 0; |
| } |
| |
| // ******************************** |
| // Layout Methods |
| // ******************************** |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public Dimension getMinimumSize(JComponent c) { |
| if (c.getComponentCount() > 0 && c.getLayout() != null) { |
| return null; |
| } |
| AbstractButton b = (AbstractButton)c; |
| SynthContext ss = getContext(c); |
| Dimension size = ss.getStyle().getGraphicsUtils(ss).getMinimumSize( |
| ss, ss.getStyle().getFont(ss), b.getText(), getSizingIcon(b), |
| b.getHorizontalAlignment(), b.getVerticalAlignment(), |
| b.getHorizontalTextPosition(), |
| b.getVerticalTextPosition(), b.getIconTextGap(), |
| b.getDisplayedMnemonicIndex()); |
| |
| ss.dispose(); |
| return size; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public Dimension getPreferredSize(JComponent c) { |
| if (c.getComponentCount() > 0 && c.getLayout() != null) { |
| return null; |
| } |
| AbstractButton b = (AbstractButton)c; |
| SynthContext ss = getContext(c); |
| Dimension size = ss.getStyle().getGraphicsUtils(ss).getPreferredSize( |
| ss, ss.getStyle().getFont(ss), b.getText(), getSizingIcon(b), |
| b.getHorizontalAlignment(), b.getVerticalAlignment(), |
| b.getHorizontalTextPosition(), |
| b.getVerticalTextPosition(), b.getIconTextGap(), |
| b.getDisplayedMnemonicIndex()); |
| |
| ss.dispose(); |
| return size; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public Dimension getMaximumSize(JComponent c) { |
| if (c.getComponentCount() > 0 && c.getLayout() != null) { |
| return null; |
| } |
| |
| AbstractButton b = (AbstractButton)c; |
| SynthContext ss = getContext(c); |
| Dimension size = ss.getStyle().getGraphicsUtils(ss).getMaximumSize( |
| ss, ss.getStyle().getFont(ss), b.getText(), getSizingIcon(b), |
| b.getHorizontalAlignment(), b.getVerticalAlignment(), |
| b.getHorizontalTextPosition(), |
| b.getVerticalTextPosition(), b.getIconTextGap(), |
| b.getDisplayedMnemonicIndex()); |
| |
| ss.dispose(); |
| return size; |
| } |
| |
| /** |
| * Returns the Icon used in calculating the |
| * preferred/minimum/maximum size. |
| */ |
| protected Icon getSizingIcon(AbstractButton b) { |
| Icon icon = getEnabledIcon(b, b.getIcon()); |
| if (icon == null) { |
| icon = getDefaultIcon(b); |
| } |
| return icon; |
| } |
| |
| /** |
| * @inheritDoc |
| */ |
| @Override |
| public void propertyChange(PropertyChangeEvent e) { |
| if (SynthLookAndFeel.shouldUpdateStyle(e)) { |
| updateStyle((AbstractButton)e.getSource()); |
| } |
| } |
| } |
