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2006-06-09 Thomas Fitzsimmons <fitzsim@redhat.com> * java/lang/String.java, classpath/native/jni/classpath/jcl.h, classpath/native/jni/qt-peer/eventmethods.h, classpath/native/jni/qt-peer/qtmenupeer.cpp, classpath/native/jni/qt-peer/.cvsignore, classpath/native/jni/gtk-peer/gdkdisplay.h, classpath/native/jni/gtk-peer/cairographics2d.h, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoGraphics2D.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkFontPeer.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_FreetypeGlyphVector.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphicsEnvironment.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_ComponentGraphicsCopy.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_ComponentGraphics.c, classpath/native/jni/gtk-peer/.cvsignore, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImage.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkVolatileImage.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCanvasPeer.c, classpath/native/jni/gtk-peer/gtkpeer.h, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkClipboard.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoSurface.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkScreenGraphicsDevice.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkFramePeer.c, classpath/native/jni/gtk-peer/Makefile.am, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c, classpath/native/jawt/Makefile.am, classpath/native/jawt/.cvsignore, classpath/native/target/Linux/Makefile.in, classpath/native/plugin/gcjwebplugin.cc, classpath/native/plugin/Makefile.am, classpath/native/plugin/.cvsignore, classpath/resource/Makefile.in, classpath/gnu/java/awt/peer/gtk/VolatileImageGraphics.java, classpath/gnu/java/awt/peer/gtk/CairoGraphics2D.java, classpath/gnu/java/awt/peer/gtk/CairoSurface.java, classpath/gnu/java/awt/peer/gtk/GdkFontPeer.java, classpath/gnu/java/awt/peer/gtk/GdkPixbufDecoder.java, classpath/gnu/java/awt/peer/gtk/FreetypeGlyphVector.java, classpath/gnu/java/awt/peer/gtk/GdkGraphicsEnvironment.java, classpath/gnu/java/awt/peer/gtk/GdkGraphics2D.java, classpath/gnu/java/awt/peer/gtk/ComponentGraphicsCopy.java, classpath/gnu/java/awt/peer/gtk/GtkComponentPeer.java, classpath/gnu/java/awt/peer/gtk/GdkGraphics.java, classpath/gnu/java/awt/peer/gtk/GtkToolkit.java, classpath/gnu/java/awt/peer/gtk/GdkScreenGraphicsDevice.java, classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java, classpath/gnu/java/awt/peer/gtk/GdkTextLayout.java, classpath/gnu/java/awt/peer/gtk/GdkGraphicsConfiguration.java, classpath/gnu/java/awt/peer/gtk/ComponentGraphics.java, classpath/gnu/java/awt/peer/gtk/CairoSurfaceGraphics.java, classpath/gnu/java/awt/peer/gtk/GtkImage.java, classpath/gnu/java/awt/peer/gtk/GtkVolatileImage.java, classpath/gnu/java/awt/peer/gtk/GdkGlyphVector.java, classpath/gnu/java/awt/peer/gtk/GtkCanvasPeer.java, classpath/gnu/java/awt/peer/swing/SwingContainerPeer.java, classpath/gnu/java/awt/peer/swing/SwingComponent.java, classpath/gnu/java/awt/peer/swing/SwingTextFieldPeer.java, classpath/gnu/java/awt/peer/swing/SwingMenuBarPeer.java, classpath/gnu/java/awt/peer/swing/SwingFramePeer.java, classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java, classpath/gnu/java/awt/peer/swing/SwingWindowPeer.java, classpath/gnu/java/awt/print/JavaPrinterJob.java, classpath/gnu/java/awt/print/PostScriptGraphics2D.java, classpath/gnu/java/awt/print/SpooledDocument.java, classpath/gnu/java/awt/print/JavaPrinterGraphics.java, classpath/gnu/java/awt/BitwiseXORComposite.java, classpath/gnu/java/awt/font/GNUGlyphVector.java, classpath/gnu/java/awt/font/opentype/NameDecoder.java, classpath/gnu/java/awt/java2d/RasterGraphics.java, classpath/gnu/java/awt/java2d/TexturePaintContext.java, classpath/gnu/java/awt/java2d/PolyEdge.java, classpath/gnu/java/awt/java2d/AbstractGraphics2D.java, classpath/gnu/java/awt/java2d/AlphaCompositeContext.java, classpath/gnu/java/awt/java2d/ImagePaint.java, classpath/gnu/java/awt/Buffers.java, classpath/gnu/classpath/Configuration.java.in, classpath/gnu/javax/swing/text/html/CombinedAttributes.java, classpath/gnu/javax/swing/text/html/CharacterAttributeTranslator.java, classpath/gnu/javax/swing/text/html/parser/htmlAttributeSet.java, classpath/gnu/javax/swing/text/html/parser/SmallHtmlAttributeSet.java, classpath/gnu/javax/swing/text/html/ImageViewIconFactory.java, classpath/tools/toolwrapper.c, classpath/tools/gnu/classpath/tools/native2ascii/Native2ASCII.java, classpath/tools/gnu/classpath/tools/native2ascii/Messages.java, classpath/tools/gnu/classpath/tools/getopt/FileArgumentCallback.java, classpath/tools/gnu/classpath/tools/getopt/OptionGroup.java, classpath/tools/gnu/classpath/tools/getopt/OptionException.java, classpath/tools/gnu/classpath/tools/getopt/Messages.java, classpath/tools/gnu/classpath/tools/getopt/Option.java, classpath/tools/gnu/classpath/tools/getopt/Parser.java, classpath/tools/gnu/classpath/tools/getopt/ClasspathToolParser.java, classpath/tools/gnu/classpath/tools/jarsigner/JarSigner.java, classpath/tools/gnu/classpath/tools/jarsigner/Main.java, classpath/tools/gnu/classpath/tools/jarsigner/Messages.java, classpath/tools/gnu/classpath/tools/jarsigner/package.html, classpath/tools/gnu/classpath/tools/keytool/ListCmd.java, classpath/tools/gnu/classpath/tools/keytool/StorePasswdCmd.java, classpath/tools/gnu/classpath/tools/keytool/ExportCmd.java, classpath/tools/gnu/classpath/tools/keytool/GenKeyCmd.java, classpath/tools/gnu/classpath/tools/keytool/Messages.java, classpath/tools/gnu/classpath/tools/keytool/package.html, classpath/tools/gnu/classpath/tools/keytool/Command.java, classpath/tools/gnu/classpath/tools/keytool/IdentityDBCmd.java, classpath/tools/gnu/classpath/tools/keytool/Main.java, classpath/tools/gnu/classpath/tools/keytool/DeleteCmd.java, classpath/tools/gnu/classpath/tools/keytool/CertReqCmd.java, classpath/tools/gnu/classpath/tools/keytool/SelfCertCmd.java, classpath/tools/gnu/classpath/tools/keytool/KeyCloneCmd.java, classpath/tools/gnu/classpath/tools/keytool/KeyPasswdCmd.java, classpath/tools/gnu/classpath/tools/keytool/ImportCmd.java, classpath/tools/gnu/classpath/tools/keytool/PrintCertCmd.java, classpath/tools/gnu/classpath/tools/rmi/registry/package.html, classpath/tools/gnu/classpath/tools/rmi/RMIC.txt, classpath/tools/gnu/classpath/tools/rmi/RMIC.java, classpath/tools/gnu/classpath/tools/appletviewer/ErrorApplet.java, classpath/tools/gnu/classpath/tools/appletviewer/AppletClassLoader.java, classpath/tools/gnu/classpath/tools/appletviewer/CommonAppletContext.java, classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletContext.java, classpath/tools/gnu/classpath/tools/appletviewer/AppletSecurityManager.java, classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletContext.java, classpath/tools/gnu/classpath/tools/appletviewer/AppletWarning.java, classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletViewer.java, classpath/tools/gnu/classpath/tools/appletviewer/AppletTag.java, classpath/tools/gnu/classpath/tools/appletviewer/ConsoleDialog.java, classpath/tools/gnu/classpath/tools/appletviewer/Main.java, classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletWindow.java, classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletViewer.java, classpath/tools/gnu/classpath/tools/appletviewer/TagParser.java, classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletWindow.java, classpath/tools/gnu/classpath/tools/appletviewer/CommonAppletStub.java, classpath/tools/gnu/classpath/tools/serialver/Messages.java, classpath/tools/gnu/classpath/tools/serialver/SerialVer.java, classpath/tools/gnu/classpath/tools/jar/Creator.java, classpath/tools/gnu/classpath/tools/jar/Entry.java, classpath/tools/gnu/classpath/tools/jar/Lister.java, classpath/tools/gnu/classpath/tools/jar/Main.java, classpath/tools/gnu/classpath/tools/jar/Updater.java, classpath/tools/gnu/classpath/tools/jar/Messages.java, classpath/tools/gnu/classpath/tools/jar/Extractor.java, classpath/tools/gnu/classpath/tools/jar/Action.java, classpath/tools/gnu/classpath/tools/jar/Indexer.java, classpath/tools/gnu/classpath/tools/jar/WorkSet.java, classpath/tools/gnu/classpath/tools/giop/GRMIC.txt, classpath/tools/gnu/classpath/tools/giop/grmic/GiopRmicCompiler.java, classpath/tools/gnu/classpath/tools/giop/GRMIC.java, classpath/tools/Makefile.am, classpath/tools/jarsigner.in, classpath/tools/keytool.in, classpath/tools/appletviewer.in, classpath/tools/.cvsignore, classpath/configure.ac, classpath/javax/swing/JTabbedPane.java, classpath/javax/swing/AbstractButton.java, classpath/javax/swing/JViewport.java, classpath/javax/swing/KeyboardManager.java, classpath/javax/swing/JMenuItem.java, classpath/javax/swing/JMenuBar.java, classpath/javax/swing/MenuSelectionManager.java, classpath/javax/swing/JOptionPane.java, classpath/javax/swing/JSpinner.java, classpath/javax/swing/JCheckBoxMenuItem.java, classpath/javax/swing/JEditorPane.java, classpath/javax/swing/JFormattedTextField.java, classpath/javax/swing/JTree.java, classpath/javax/swing/CellRendererPane.java, classpath/javax/swing/JScrollPane.java, classpath/javax/swing/tree/VariableHeightLayoutCache.java, classpath/javax/swing/tree/TreeNode.java, classpath/javax/swing/tree/FixedHeightLayoutCache.java, classpath/javax/swing/tree/DefaultTreeCellEditor.java, classpath/javax/swing/tree/TreePath.java, classpath/javax/swing/tree/RowMapper.java, classpath/javax/swing/tree/DefaultMutableTreeNode.java, classpath/javax/swing/tree/DefaultTreeModel.java, classpath/javax/swing/tree/AbstractLayoutCache.java, classpath/javax/swing/tree/TreeSelectionModel.java, classpath/javax/swing/tree/DefaultTreeSelectionModel.java, classpath/javax/swing/tree/DefaultTreeCellRenderer.java, classpath/javax/swing/tree/ExpandVetoException.java, classpath/javax/swing/JList.java, classpath/javax/swing/table/JTableHeader.java, classpath/javax/swing/table/AbstractTableModel.java, classpath/javax/swing/table/DefaultTableModel.java, classpath/javax/swing/table/TableCellEditor.java, classpath/javax/swing/table/TableCellRenderer.java, classpath/javax/swing/ProgressMonitor.java, classpath/javax/swing/JToolBar.java, classpath/javax/swing/TransferHandler.java, classpath/javax/swing/DefaultCellEditor.java, classpath/javax/swing/DefaultButtonModel.java, classpath/javax/swing/JLayeredPane.java, classpath/javax/swing/text/DefaultEditorKit.java, classpath/javax/swing/text/DefaultCaret.java, classpath/javax/swing/text/FieldView.java, classpath/javax/swing/text/JTextComponent.java, classpath/javax/swing/text/TextAction.java, classpath/javax/swing/text/StyleContext.java, classpath/javax/swing/text/html/HTMLDocument.java, classpath/javax/swing/text/html/MinimalHTMLWriter.java, classpath/javax/swing/text/html/ImageView.java, classpath/javax/swing/text/html/HTMLEditorKit.java, classpath/javax/swing/text/AbstractWriter.java, classpath/javax/swing/text/GapContent.java, classpath/javax/swing/text/Utilities.java, classpath/javax/swing/text/PlainView.java, classpath/javax/swing/UIManager.java, classpath/javax/swing/JSplitPane.java, classpath/javax/swing/JComponent.java, classpath/javax/swing/SwingUtilities.java, classpath/javax/swing/border/AbstractBorder.java, classpath/javax/swing/border/CompoundBorder.java, classpath/javax/swing/border/TitledBorder.java, classpath/javax/swing/border/MatteBorder.java, classpath/javax/swing/border/BevelBorder.java, classpath/javax/swing/RepaintManager.java, classpath/javax/swing/JTable.java, classpath/javax/swing/UIDefaults.java, classpath/javax/swing/DefaultDesktopManager.java, classpath/javax/swing/JMenu.java, classpath/javax/swing/JLabel.java, classpath/javax/swing/JSlider.java, classpath/javax/swing/plaf/basic/BasicToolBarUI.java, classpath/javax/swing/plaf/basic/BasicButtonUI.java, classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java, classpath/javax/swing/plaf/basic/BasicTextAreaUI.java, classpath/javax/swing/plaf/basic/BasicToggleButtonUI.java, classpath/javax/swing/plaf/basic/BasicSpinnerUI.java, classpath/javax/swing/plaf/basic/BasicSliderUI.java, classpath/javax/swing/plaf/basic/BasicTabbedPaneUI.java, classpath/javax/swing/plaf/basic/BasicComboPopup.java, classpath/javax/swing/plaf/basic/BasicCheckBoxUI.java, classpath/javax/swing/plaf/basic/BasicInternalFrameUI.java, classpath/javax/swing/plaf/basic/BasicProgressBarUI.java, classpath/javax/swing/plaf/basic/BasicRadioButtonUI.java, classpath/javax/swing/plaf/basic/BasicPanelUI.java, classpath/javax/swing/plaf/basic/BasicSplitPaneUI.java, classpath/javax/swing/plaf/basic/BasicTreeUI.java, classpath/javax/swing/plaf/basic/BasicTableHeaderUI.java, classpath/javax/swing/plaf/basic/BasicFileChooserUI.java, classpath/javax/swing/plaf/basic/BasicScrollPaneUI.java, classpath/javax/swing/plaf/basic/BasicComboBoxUI.java, classpath/javax/swing/plaf/basic/BasicListUI.java, classpath/javax/swing/plaf/basic/BasicIconFactory.java, classpath/javax/swing/plaf/basic/BasicTextUI.java, classpath/javax/swing/plaf/basic/BasicLookAndFeel.java, classpath/javax/swing/plaf/basic/BasicDirectoryModel.java, classpath/javax/swing/plaf/basic/BasicRootPaneUI.java, classpath/javax/swing/plaf/basic/BasicTableUI.java, classpath/javax/swing/plaf/basic/SharedUIDefaults.java, classpath/javax/swing/plaf/multi/MultiComboBoxUI.java, classpath/javax/swing/plaf/multi/MultiListUI.java, classpath/javax/swing/plaf/multi/MultiSplitPaneUI.java, classpath/javax/swing/plaf/multi/MultiFileChooserUI.java, classpath/javax/swing/plaf/multi/MultiOptionPaneUI.java, classpath/javax/swing/plaf/multi/MultiTabbedPaneUI.java, classpath/javax/swing/plaf/multi/MultiLookAndFeel.java, classpath/javax/swing/plaf/metal/MetalSliderUI.java, classpath/javax/swing/plaf/metal/MetalIconFactory.java, classpath/javax/swing/plaf/metal/MetalComboBoxIcon.java, classpath/javax/swing/plaf/metal/MetalTabbedPaneUI.java, classpath/javax/swing/plaf/metal/MetalLookAndFeel.java, classpath/javax/swing/plaf/metal/MetalCheckBoxUI.java, classpath/javax/swing/plaf/metal/MetalSeparatorUI.java, classpath/javax/swing/plaf/metal/MetalBorders.java, classpath/javax/swing/plaf/metal/MetalSplitPaneDivider.java, classpath/javax/swing/plaf/metal/MetalScrollBarUI.java, classpath/javax/swing/plaf/metal/MetalRootPaneUI.java, classpath/javax/swing/plaf/metal/MetalInternalFrameUI.java, classpath/javax/swing/plaf/metal/MetalRadioButtonUI.java, classpath/javax/swing/plaf/metal/MetalToolTipUI.java, classpath/javax/swing/plaf/metal/MetalInternalFrameTitlePane.java, classpath/javax/swing/plaf/metal/MetalFileChooserUI.java, classpath/javax/swing/plaf/metal/MetalUtils.java, classpath/javax/swing/plaf/metal/MetalComboBoxButton.java, classpath/javax/swing/plaf/metal/MetalPopupMenuSeparatorUI.java, classpath/javax/swing/plaf/metal/MetalButtonUI.java, classpath/javax/swing/JPopupMenu.java, classpath/javax/swing/JProgressBar.java, classpath/javax/swing/WindowConstants.java, classpath/javax/swing/JFrame.java, classpath/javax/swing/JFileChooser.java, classpath/javax/swing/JComboBox.java, classpath/javax/swing/event/EventListenerList.java, classpath/javax/swing/ListSelectionModel.java, classpath/javax/swing/JScrollBar.java, classpath/java/text/SimpleDateFormat.java, classpath/java/text/NumberFormat.java, classpath/java/text/class-dependencies.conf, classpath/java/awt/image/ColorModel.java, classpath/java/awt/image/BufferedImage.java, classpath/java/awt/Window.java, classpath/java/awt/ContainerOrderFocusTraversalPolicy.java, classpath/java/awt/LightweightDispatcher.java, classpath/java/awt/EventDispatchThread.java, classpath/java/awt/BasicStroke.java, classpath/java/awt/ColorPaintContext.java, classpath/java/awt/Container.java, classpath/java/awt/TexturePaint.java, classpath/java/awt/Component.java, classpath/java/awt/Font.java, classpath/java/awt/GraphicsConfiguration.java, classpath/java/awt/DefaultKeyboardFocusManager.java, classpath/java/awt/print/PrinterJob.java, classpath/java/awt/im/InputContext.java, classpath/java/awt/dnd/DragGestureRecognizer.java, classpath/java/awt/Toolkit.java, classpath/java/awt/font/GraphicAttribute.java, classpath/java/awt/font/ImageGraphicAttribute.java, classpath/java/awt/font/GlyphVector.java, classpath/java/awt/font/GlyphMetrics.java, classpath/java/awt/font/ShapeGraphicAttribute.java, classpath/java/awt/Graphics2D.java, classpath/include/gnu_java_awt_peer_gtk_GdkGraphicsEnvironment.h, classpath/include/gnu_java_awt_peer_gtk_ComponentGraphics.h, classpath/include/gnu_java_awt_peer_gtk_CairoGraphics2D.h, classpath/include/gnu_java_awt_peer_gtk_FreetypeGlyphVector.h, classpath/include/gnu_java_awt_peer_gtk_GtkCanvasPeer.h, classpath/include/config.h.in, classpath/include/gnu_java_awt_peer_gtk_GdkTextLayout.h, classpath/include/gnu_java_awt_peer_gtk_GtkComponentPeer.h, classpath/include/gnu_java_awt_peer_gtk_GdkFontPeer.h, classpath/include/gnu_java_awt_peer_gtk_ComponentGraphicsCopy.h, classpath/include/gnu_java_awt_peer_gtk_GtkVolatileImage.h, classpath/include/gnu_java_awt_peer_gtk_GtkImage.h, classpath/include/gnu_java_awt_peer_gtk_CairoSurface.h, classpath/include/gnu_java_awt_peer_gtk_GdkScreenGraphicsDevice.h: Merge from GNU Classpath HEAD. From-SVN: r114510
680 lines
19 KiB
Java
680 lines
19 KiB
Java
/* JScrollBar.java --
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Copyright (C) 2002, 2004, 2005, 2006, Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.swing;
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import java.awt.Adjustable;
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import java.awt.Dimension;
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import java.awt.event.AdjustmentEvent;
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import java.awt.event.AdjustmentListener;
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import java.beans.PropertyChangeEvent;
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import javax.accessibility.Accessible;
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import javax.accessibility.AccessibleContext;
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import javax.accessibility.AccessibleRole;
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import javax.accessibility.AccessibleState;
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import javax.accessibility.AccessibleStateSet;
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import javax.accessibility.AccessibleValue;
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import javax.swing.plaf.ScrollBarUI;
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/**
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* The JScrollBar. Two buttons control how the values that the
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* scroll bar can take. You can also drag the thumb or click the track
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* to move the scroll bar. Typically, the JScrollBar is used with
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* other components to translate the value of the bar to the viewable
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* contents of the other components.
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*/
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public class JScrollBar extends JComponent implements Adjustable, Accessible
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{
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/**
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* Provides the accessibility features for the <code>JScrollBar</code>
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* component.
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*/
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protected class AccessibleJScrollBar extends JComponent.AccessibleJComponent
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implements AccessibleValue
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{
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private static final long serialVersionUID = -7758162392045586663L;
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/**
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* Creates a new <code>AccessibleJScrollBar</code> instance.
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*/
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protected AccessibleJScrollBar()
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{
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super();
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}
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/**
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* Returns a set containing the current state of the {@link JScrollBar}
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* component.
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*
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* @return The accessible state set.
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*/
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public AccessibleStateSet getAccessibleStateSet()
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{
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AccessibleStateSet result = super.getAccessibleStateSet();
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if (orientation == JScrollBar.HORIZONTAL)
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result.add(AccessibleState.HORIZONTAL);
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else if (orientation == JScrollBar.VERTICAL)
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result.add(AccessibleState.VERTICAL);
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return result;
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}
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/**
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* Returns the accessible role for the <code>JScrollBar</code> component.
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*
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* @return {@link AccessibleRole#SCROLL_BAR}.
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*/
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public AccessibleRole getAccessibleRole()
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{
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return AccessibleRole.SCROLL_BAR;
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}
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/**
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* Returns an object that provides access to the current, minimum and
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* maximum values.
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*
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* @return The accessible value.
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*/
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public AccessibleValue getAccessibleValue()
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{
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return this;
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}
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/**
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* Returns the current value of the {@link JScrollBar} component, as an
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* {@link Integer}.
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*
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* @return The current value of the {@link JScrollBar} component.
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*/
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public Number getCurrentAccessibleValue()
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{
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return new Integer(getValue());
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}
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/**
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* Sets the current value of the {@link JScrollBar} component and sends a
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* {@link PropertyChangeEvent} (with the property name
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* {@link AccessibleContext#ACCESSIBLE_VALUE_PROPERTY}) to all registered
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* listeners. If the supplied value is <code>null</code>, this method
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* does nothing and returns <code>false</code>.
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*
|
|
* @param value the new slider value (<code>null</code> permitted).
|
|
*
|
|
* @return <code>true</code> if the slider value is updated, and
|
|
* <code>false</code> otherwise.
|
|
*/
|
|
public boolean setCurrentAccessibleValue(Number value)
|
|
{
|
|
if (value == null)
|
|
return false;
|
|
Number oldValue = getCurrentAccessibleValue();
|
|
setValue(value.intValue());
|
|
firePropertyChange(AccessibleContext.ACCESSIBLE_VALUE_PROPERTY, oldValue,
|
|
new Integer(getValue()));
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns the minimum value of the {@link JScrollBar} component, as an
|
|
* {@link Integer}.
|
|
*
|
|
* @return The minimum value of the {@link JScrollBar} component.
|
|
*/
|
|
public Number getMinimumAccessibleValue()
|
|
{
|
|
return new Integer(getMinimum());
|
|
}
|
|
|
|
/**
|
|
* Returns the maximum value of the {@link JScrollBar} component, as an
|
|
* {@link Integer}.
|
|
*
|
|
* @return The maximum value of the {@link JScrollBar} component.
|
|
*/
|
|
public Number getMaximumAccessibleValue()
|
|
{
|
|
return new Integer(getMaximum() - model.getExtent());
|
|
}
|
|
}
|
|
|
|
private static final long serialVersionUID = -8195169869225066566L;
|
|
|
|
/** How much the thumb moves when moving in a block. */
|
|
protected int blockIncrement = 10;
|
|
|
|
/** The model that holds the scroll bar's data. */
|
|
protected BoundedRangeModel model;
|
|
|
|
/** The orientation of the scroll bar. */
|
|
protected int orientation = SwingConstants.VERTICAL;
|
|
|
|
/** How much the thumb moves when moving in a unit. */
|
|
protected int unitIncrement = 1;
|
|
|
|
/**
|
|
* Creates a new horizontal JScrollBar object with a minimum
|
|
* of 0, a maxmium of 100, a value of 0 and an extent of 10.
|
|
*/
|
|
public JScrollBar()
|
|
{
|
|
this(SwingConstants.VERTICAL, 0, 10, 0, 100);
|
|
}
|
|
|
|
/**
|
|
* Creates a new JScrollBar object with a minimum of 0, a
|
|
* maximum of 100, a value of 0, an extent of 10 and the given
|
|
* orientation.
|
|
*
|
|
* @param orientation The orientation of the JScrollBar.
|
|
*/
|
|
public JScrollBar(int orientation)
|
|
{
|
|
this(orientation, 0, 10, 0, 100);
|
|
}
|
|
|
|
/**
|
|
* Creates a new JScrollBar object with the given orientation,
|
|
* value, min, max, and extent.
|
|
*
|
|
* @param orientation The orientation to use.
|
|
* @param value The value to use.
|
|
* @param extent The extent to use.
|
|
* @param min The minimum value of the scrollbar.
|
|
* @param max The maximum value of the scrollbar.
|
|
*/
|
|
public JScrollBar(int orientation, int value, int extent, int min, int max)
|
|
{
|
|
model = new DefaultBoundedRangeModel(value, extent, min, max);
|
|
if (orientation != SwingConstants.HORIZONTAL
|
|
&& orientation != SwingConstants.VERTICAL)
|
|
throw new IllegalArgumentException(orientation
|
|
+ " is not a legal orientation");
|
|
this.orientation = orientation;
|
|
updateUI();
|
|
}
|
|
|
|
/**
|
|
* This method sets the UI of this scrollbar to
|
|
* the given UI.
|
|
*
|
|
* @param ui The UI to use with this scrollbar.
|
|
*/
|
|
public void setUI(ScrollBarUI ui)
|
|
{
|
|
super.setUI(ui);
|
|
}
|
|
|
|
/**
|
|
* This method returns the UI that is being used
|
|
* with this scrollbar.
|
|
*
|
|
* @return The scrollbar's current UI.
|
|
*/
|
|
public ScrollBarUI getUI()
|
|
{
|
|
return (ScrollBarUI) ui;
|
|
}
|
|
|
|
/**
|
|
* This method changes the UI to be the
|
|
* default for the current look and feel.
|
|
*/
|
|
public void updateUI()
|
|
{
|
|
setUI((ScrollBarUI) UIManager.getUI(this));
|
|
}
|
|
|
|
/**
|
|
* This method returns an identifier to
|
|
* choose the correct UI delegate for the
|
|
* scrollbar.
|
|
*
|
|
* @return The identifer to choose the UI delegate; "ScrollBarUI"
|
|
*/
|
|
public String getUIClassID()
|
|
{
|
|
return "ScrollBarUI";
|
|
}
|
|
|
|
/**
|
|
* This method returns the orientation of the scrollbar.
|
|
*
|
|
* @return The orientation of the scrollbar.
|
|
*/
|
|
public int getOrientation()
|
|
{
|
|
return orientation;
|
|
}
|
|
|
|
/**
|
|
* This method sets the orientation of the scrollbar.
|
|
*
|
|
* @param orientation The orientation of the scrollbar.
|
|
*/
|
|
public void setOrientation(int orientation)
|
|
{
|
|
if (orientation != SwingConstants.HORIZONTAL
|
|
&& orientation != SwingConstants.VERTICAL)
|
|
throw new IllegalArgumentException("orientation must be one of HORIZONTAL or VERTICAL");
|
|
if (orientation != this.orientation)
|
|
{
|
|
int oldOrientation = this.orientation;
|
|
this.orientation = orientation;
|
|
firePropertyChange("orientation", oldOrientation,
|
|
this.orientation);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method returns the model being used with
|
|
* the scrollbar.
|
|
*
|
|
* @return The scrollbar's model.
|
|
*/
|
|
public BoundedRangeModel getModel()
|
|
{
|
|
return model;
|
|
}
|
|
|
|
/**
|
|
* This method sets the model to use with
|
|
* the scrollbar.
|
|
*
|
|
* @param newModel The new model to use with the scrollbar.
|
|
*/
|
|
public void setModel(BoundedRangeModel newModel)
|
|
{
|
|
if (model != newModel)
|
|
{
|
|
BoundedRangeModel oldModel = model;
|
|
model = newModel;
|
|
firePropertyChange("model", oldModel, model);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method returns how much the scrollbar's value
|
|
* should change for a unit increment depending on the
|
|
* given direction.
|
|
*
|
|
* @param direction The direction to scroll in.
|
|
*
|
|
* @return The amount the scrollbar's value will change given the direction.
|
|
*/
|
|
public int getUnitIncrement(int direction)
|
|
{
|
|
return direction * unitIncrement;
|
|
}
|
|
|
|
/**
|
|
* This method sets the unitIncrement property.
|
|
*
|
|
* @param unitIncrement The new unitIncrement.
|
|
*/
|
|
public void setUnitIncrement(int unitIncrement)
|
|
{
|
|
if (unitIncrement != this.unitIncrement)
|
|
{
|
|
int oldInc = this.unitIncrement;
|
|
this.unitIncrement = unitIncrement;
|
|
firePropertyChange("unitIncrement", oldInc,
|
|
this.unitIncrement);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The method returns how much the scrollbar's value
|
|
* should change for a block increment depending on
|
|
* the given direction.
|
|
*
|
|
* @param direction The direction to scroll in.
|
|
*
|
|
* @return The amount the scrollbar's value will change given the direction.
|
|
*/
|
|
public int getBlockIncrement(int direction)
|
|
{
|
|
return direction * blockIncrement;
|
|
}
|
|
|
|
/**
|
|
* This method sets the blockIncrement property.
|
|
*
|
|
* @param blockIncrement The new blockIncrement.
|
|
*/
|
|
public void setBlockIncrement(int blockIncrement)
|
|
{
|
|
if (blockIncrement != this.blockIncrement)
|
|
{
|
|
int oldInc = this.blockIncrement;
|
|
this.blockIncrement = blockIncrement;
|
|
firePropertyChange("blockIncrement", oldInc,
|
|
this.blockIncrement);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method returns the unitIncrement.
|
|
*
|
|
* @return The unitIncrement.
|
|
*/
|
|
public int getUnitIncrement()
|
|
{
|
|
return unitIncrement;
|
|
}
|
|
|
|
/**
|
|
* This method returns the blockIncrement.
|
|
*
|
|
* @return The blockIncrement.
|
|
*/
|
|
public int getBlockIncrement()
|
|
{
|
|
return blockIncrement;
|
|
}
|
|
|
|
/**
|
|
* This method returns the value of the scrollbar.
|
|
*
|
|
* @return The value of the scrollbar.
|
|
*/
|
|
public int getValue()
|
|
{
|
|
return model.getValue();
|
|
}
|
|
|
|
/**
|
|
* This method changes the value of the scrollbar.
|
|
*
|
|
* @param value The new value of the scrollbar.
|
|
*/
|
|
public void setValue(int value)
|
|
{
|
|
if (isEnabled() && value != getValue())
|
|
{
|
|
model.setValue(value);
|
|
fireAdjustmentValueChanged(AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED,
|
|
AdjustmentEvent.TRACK, value);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method returns the visible amount (AKA extent).
|
|
* The visible amount can be used by UI delegates to
|
|
* determine the size of the thumb.
|
|
*
|
|
* @return The visible amount (AKA extent).
|
|
*/
|
|
public int getVisibleAmount()
|
|
{
|
|
return model.getExtent();
|
|
}
|
|
|
|
/**
|
|
* This method sets the visible amount (AKA extent).
|
|
*
|
|
* @param extent The visible amount (AKA extent).
|
|
*/
|
|
public void setVisibleAmount(int extent)
|
|
{
|
|
if (extent != getVisibleAmount())
|
|
{
|
|
model.setExtent(extent);
|
|
fireAdjustmentValueChanged(AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED,
|
|
AdjustmentEvent.TRACK, extent);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method returns the minimum value of the scrollbar.
|
|
*
|
|
* @return The minimum value of the scrollbar.
|
|
*/
|
|
public int getMinimum()
|
|
{
|
|
return model.getMinimum();
|
|
}
|
|
|
|
/**
|
|
* This method sets the minimum value of the scrollbar.
|
|
*
|
|
* @param minimum The minimum value of the scrollbar.
|
|
*/
|
|
public void setMinimum(int minimum)
|
|
{
|
|
if (minimum != getMinimum())
|
|
{
|
|
model.setMinimum(minimum);
|
|
fireAdjustmentValueChanged(AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED,
|
|
AdjustmentEvent.TRACK, minimum);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method returns the maximum value of the scrollbar.
|
|
*
|
|
* @return The maximum value of the scrollbar.
|
|
*/
|
|
public int getMaximum()
|
|
{
|
|
return model.getMaximum();
|
|
}
|
|
|
|
/**
|
|
* This method sets the maximum value of the scrollbar.
|
|
*
|
|
* @param maximum The maximum value of the scrollbar.
|
|
*/
|
|
public void setMaximum(int maximum)
|
|
{
|
|
if (maximum != getMaximum())
|
|
{
|
|
model.setMaximum(maximum);
|
|
fireAdjustmentValueChanged(AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED,
|
|
AdjustmentEvent.TRACK, maximum);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method returns the model's isAjusting value.
|
|
*
|
|
* @return The model's isAdjusting value.
|
|
*/
|
|
public boolean getValueIsAdjusting()
|
|
{
|
|
return model.getValueIsAdjusting();
|
|
}
|
|
|
|
/**
|
|
* This method sets the model's isAdjusting value.
|
|
*
|
|
* @param b The new isAdjusting value.
|
|
*/
|
|
public void setValueIsAdjusting(boolean b)
|
|
{
|
|
model.setValueIsAdjusting(b);
|
|
}
|
|
|
|
/**
|
|
* This method sets the value, extent, minimum and
|
|
* maximum.
|
|
*
|
|
* @param newValue The new value.
|
|
* @param newExtent The new extent.
|
|
* @param newMin The new minimum.
|
|
* @param newMax The new maximum.
|
|
*/
|
|
public void setValues(int newValue, int newExtent, int newMin, int newMax)
|
|
{
|
|
if (!isEnabled())
|
|
newValue = model.getValue();
|
|
// It seems to be that on any change the value is fired.
|
|
if (newValue != getValue() || newExtent != getVisibleAmount() ||
|
|
newMin != getMinimum() || newMax != getMaximum())
|
|
{
|
|
model.setRangeProperties(newValue, newExtent, newMin, newMax,
|
|
model.getValueIsAdjusting());
|
|
fireAdjustmentValueChanged(AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED,
|
|
AdjustmentEvent.TRACK, newValue);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method adds an AdjustmentListener to the scroll bar.
|
|
*
|
|
* @param listener The listener to add.
|
|
*/
|
|
public void addAdjustmentListener(AdjustmentListener listener)
|
|
{
|
|
listenerList.add(AdjustmentListener.class, listener);
|
|
}
|
|
|
|
/**
|
|
* This method removes an AdjustmentListener from the scroll bar.
|
|
*
|
|
* @param listener The listener to remove.
|
|
*/
|
|
public void removeAdjustmentListener(AdjustmentListener listener)
|
|
{
|
|
listenerList.remove(AdjustmentListener.class, listener);
|
|
}
|
|
|
|
/**
|
|
* This method returns an arry of all AdjustmentListeners listening to
|
|
* this scroll bar.
|
|
*
|
|
* @return An array of AdjustmentListeners listening to this scroll bar.
|
|
*/
|
|
public AdjustmentListener[] getAdjustmentListeners()
|
|
{
|
|
return (AdjustmentListener[]) listenerList.getListeners(AdjustmentListener.class);
|
|
}
|
|
|
|
/**
|
|
* This method is called to fired AdjustmentEvents to the listeners
|
|
* of this scroll bar. All AdjustmentEvents that are fired
|
|
* will have an ID of ADJUSTMENT_VALUE_CHANGED and a type of
|
|
* TRACK.
|
|
*
|
|
* @param id The ID of the adjustment event.
|
|
* @param type The Type of change.
|
|
* @param value The new value for the property that was changed..
|
|
*/
|
|
protected void fireAdjustmentValueChanged(int id, int type, int value)
|
|
{
|
|
Object[] adjustmentListeners = listenerList.getListenerList();
|
|
AdjustmentEvent adjustmentEvent = new AdjustmentEvent(this,
|
|
AdjustmentEvent.ADJUSTMENT_VALUE_CHANGED,
|
|
AdjustmentEvent.TRACK,
|
|
value);
|
|
for (int i = adjustmentListeners.length - 2; i >= 0; i -= 2)
|
|
{
|
|
if (adjustmentListeners[i] == AdjustmentListener.class)
|
|
((AdjustmentListener) adjustmentListeners[i + 1]).adjustmentValueChanged(adjustmentEvent);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* This method returns the minimum size for this scroll bar.
|
|
*
|
|
* @return The minimum size.
|
|
*/
|
|
public Dimension getMinimumSize()
|
|
{
|
|
return ui.getMinimumSize(this);
|
|
}
|
|
|
|
/**
|
|
* This method returns the maximum size for this scroll bar.
|
|
*
|
|
* @return The maximum size.
|
|
*/
|
|
public Dimension getMaximumSize()
|
|
{
|
|
return ui.getMaximumSize(this);
|
|
}
|
|
|
|
/**
|
|
* This method overrides the setEnabled in JComponent.
|
|
* When the scroll bar is disabled, the knob cannot
|
|
* be moved.
|
|
*
|
|
* @param x Whether the scrollbar is enabled.
|
|
*/
|
|
public void setEnabled(boolean x)
|
|
{
|
|
// nothing special needs to be done here since we
|
|
// just check the enabled setting before changing the value.
|
|
super.setEnabled(x);
|
|
}
|
|
|
|
/**
|
|
* Returns a string describing the attributes for the <code>JScrollBar</code>
|
|
* component, for use in debugging. The return value is guaranteed to be
|
|
* non-<code>null</code>, but the format of the string may vary between
|
|
* implementations.
|
|
*
|
|
* @return A string describing the attributes of the <code>JScrollBar</code>.
|
|
*/
|
|
protected String paramString()
|
|
{
|
|
StringBuffer sb = new StringBuffer(super.paramString());
|
|
sb.append(",blockIncrement=").append(blockIncrement);
|
|
sb.append(",orientation=");
|
|
if (this.orientation == JScrollBar.HORIZONTAL)
|
|
sb.append("HORIZONTAL");
|
|
else
|
|
sb.append("VERTICAL");
|
|
sb.append(",unitIncrement=").append(unitIncrement);
|
|
return sb.toString();
|
|
}
|
|
|
|
/**
|
|
* Returns the object that provides accessibility features for this
|
|
* <code>JScrollBar</code> component.
|
|
*
|
|
* @return The accessible context (an instance of
|
|
* {@link AccessibleJScrollBar}).
|
|
*/
|
|
public AccessibleContext getAccessibleContext()
|
|
{
|
|
if (accessibleContext == null)
|
|
accessibleContext = new AccessibleJScrollBar();
|
|
return accessibleContext;
|
|
}
|
|
}
|