diff options
Diffstat (limited to 'libjava/javax/swing/ScrollPaneLayout.java')
| -rw-r--r-- | libjava/javax/swing/ScrollPaneLayout.java | 475 |
1 files changed, 0 insertions, 475 deletions
diff --git a/libjava/javax/swing/ScrollPaneLayout.java b/libjava/javax/swing/ScrollPaneLayout.java deleted file mode 100644 index 683a6db..0000000 --- a/libjava/javax/swing/ScrollPaneLayout.java +++ /dev/null @@ -1,475 +0,0 @@ -/* ScrollPaneLayout.java -- - Copyright (C) 2002, 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package javax.swing; - -import java.awt.Component; -import java.awt.Container; -import java.awt.Dimension; -import java.awt.Insets; -import java.awt.LayoutManager; -import java.awt.Point; -import java.awt.Rectangle; -import java.io.Serializable; - -import javax.swing.border.Border; - -/** - * ScrollPaneLayout - * @author Andrew Selkirk - * @version 1.0 - */ -public class ScrollPaneLayout - implements LayoutManager, ScrollPaneConstants, Serializable -{ - private static final long serialVersionUID = -4480022884523193743L; - - public static class UIResource extends ScrollPaneLayout - implements javax.swing.plaf.UIResource { - public UIResource() { - } - } - - protected JViewport viewport; - protected JScrollBar vsb; - protected JScrollBar hsb; - protected JViewport rowHead; - protected JViewport colHead; - protected Component lowerLeft; - protected Component lowerRight; - protected Component upperLeft; - protected Component upperRight; - protected int vsbPolicy; - protected int hsbPolicy; - - public ScrollPaneLayout() { - - } - - public void syncWithScrollPane(JScrollPane scrollPane) { - viewport = scrollPane.getViewport(); - rowHead = scrollPane.getRowHeader(); - colHead = scrollPane.getColumnHeader(); - vsb = scrollPane.getVerticalScrollBar(); - hsb = scrollPane.getHorizontalScrollBar(); - vsbPolicy = scrollPane.getVerticalScrollBarPolicy(); - hsbPolicy = scrollPane.getHorizontalScrollBarPolicy(); - lowerLeft = scrollPane.getCorner(LOWER_LEFT_CORNER); - lowerRight = scrollPane.getCorner(LOWER_RIGHT_CORNER); - upperLeft = scrollPane.getCorner(UPPER_LEFT_CORNER); - upperRight = scrollPane.getCorner(UPPER_RIGHT_CORNER); - } - - protected Component addSingletonComponent(Component oldComponent, - Component newComponent) { - return null; - } - - public void addLayoutComponent(String key, Component component) - { - if (key == VIEWPORT) - viewport = (JViewport) component; - else if (key == VERTICAL_SCROLLBAR) - vsb = (JScrollBar) component; - else if (key == HORIZONTAL_SCROLLBAR) - hsb = (JScrollBar) component; - else if (key == ROW_HEADER) - rowHead = (JViewport) component; - else if (key == COLUMN_HEADER) - colHead = (JViewport) component; - else if (key == LOWER_RIGHT_CORNER) - lowerRight = component; - else if (key == UPPER_RIGHT_CORNER) - upperRight = component; - else if (key == LOWER_LEFT_CORNER) - lowerLeft = component; - else if (key == UPPER_LEFT_CORNER) - upperLeft = component; - } - - public void removeLayoutComponent(Component component) { - if (component == viewport) - viewport = null; - else if (component == vsb) - vsb = null; - else if (component == hsb) - hsb = null; - else if (component == rowHead) - rowHead = null; - else if (component == colHead) - colHead = null; - else if (component == lowerRight) - lowerRight = null; - else if (component == upperRight) - upperRight = null; - else if (component == lowerLeft) - lowerLeft = null; - else if (component == upperLeft) - upperLeft = null; - } - - public int getVerticalScrollBarPolicy() - { - return vsbPolicy; - } - - public void setVerticalScrollBarPolicy(int policy) - { - vsbPolicy = policy; - } - - public int getHorizontalScrollBarPolicy() - { - return hsbPolicy; - } - - public void setHorizontalScrollBarPolicy(int policy) - { - hsbPolicy = policy; - } - - public JViewport getViewport() - { - return viewport; - } - - public JScrollBar getHorizontalScrollBar() - { - return hsb; - } - - public JScrollBar getVerticalScrollBar() - { - return vsb; - } - - public JViewport getRowHeader() - { - return rowHead; - } - - public JViewport getColumnHeader() - { - return colHead; - } - - public Component getCorner(String key) - { - if (key == LOWER_RIGHT_CORNER) - return lowerRight; - else if (key == UPPER_RIGHT_CORNER) - return upperRight; - else if (key == LOWER_LEFT_CORNER) - return lowerLeft; - else if (key == UPPER_LEFT_CORNER) - return upperLeft; - return null; - } - - private static void maybeSetPreferredSize(JComponent src, Dimension dim) - { - Dimension tmp = null; - if (src != null) - tmp = src.getPreferredSize(); - if (tmp != null) - dim.setSize(tmp); - } - - private static void maybeSetMinimumSize(JComponent src, Dimension dim) - { - Dimension tmp = null; - if (src != null) - tmp = src.getMinimumSize(); - if (tmp != null) - dim.setSize(tmp); - } - - public Dimension preferredLayoutSize(Container parent) - { - if (parent != null && parent instanceof JScrollPane) - { - JScrollPane sc = (JScrollPane) parent; - synchronized (sc.getTreeLock ()) - { - Dimension insetsSize = new Dimension(0,0); - Dimension viewportSize = new Dimension(0,0); - Dimension viewportInsetsSize = new Dimension(0,0); - Dimension columnHeaderSize = new Dimension(0,0); - Dimension rowHeaderSize = new Dimension(0,0); - Dimension verticalScrollBarSize = new Dimension(0,0); - Dimension horizontalScrollBarSize = new Dimension(0,0); - - Insets insets = sc.getInsets(); - Border viewportBorder = sc.getViewportBorder(); - Insets viewportInsets = null; - - if (viewportBorder != null) - { - viewportInsets = viewportBorder.getBorderInsets(parent); - if (viewportInsets != null) - viewportInsetsSize.setSize(viewportInsets.left + viewportInsets.right, - viewportInsets.top + viewportInsets.bottom); - } - - if (insets != null) - insetsSize.setSize(insets.left + insets.right, - insets.top + insets.bottom); - - if (viewport != null) - { - Component view = null; - Scrollable scr = null; - Dimension pref = null; - - view = viewport.getView(); - if (view != null && view instanceof Scrollable) - scr = (Scrollable) view; - if (scr != null) - pref = scr.getPreferredScrollableViewportSize(); - if (pref == null) - pref = viewport.getPreferredSize(); - if (pref != null) - viewportSize.setSize(pref); - } - - maybeSetPreferredSize(colHead, columnHeaderSize); - maybeSetPreferredSize(rowHead, rowHeaderSize); - maybeSetPreferredSize(vsb, verticalScrollBarSize); - maybeSetPreferredSize(hsb, horizontalScrollBarSize); - - return new Dimension(insetsSize.width - + viewportSize.width - + viewportInsetsSize.width - + rowHeaderSize.width - + verticalScrollBarSize.width, - insetsSize.height - + viewportSize.height - + viewportInsetsSize.height - + columnHeaderSize.height - + horizontalScrollBarSize.height); - } - } - else - { - return new Dimension(0,0); - } - } - - public Dimension minimumLayoutSize(Container parent) - { - if (parent instanceof JScrollPane) - { - JScrollPane sc = (JScrollPane) parent; - synchronized (sc.getTreeLock ()) - { - Dimension insetsSize = new Dimension(0,0); - Dimension viewportSize = new Dimension(0,0); - Dimension viewportInsetsSize = new Dimension(0,0); - Dimension columnHeaderSize = new Dimension(0,0); - Dimension rowHeaderSize = new Dimension(0,0); - Dimension verticalScrollBarSize = new Dimension(0,0); - Dimension horizontalScrollBarSize = new Dimension(0,0); - - Insets insets = sc.getInsets(); - Border viewportBorder = sc.getViewportBorder(); - Insets viewportInsets = null; - - if (viewportBorder != null) - { - viewportInsets = viewportBorder.getBorderInsets(parent); - if (viewportInsets != null) - viewportInsetsSize.setSize(viewportInsets.left + viewportInsets.right, - viewportInsets.top + viewportInsets.bottom); - } - - if (insets != null) - insetsSize.setSize(insets.left + insets.right, - insets.top + insets.bottom); - - maybeSetMinimumSize(colHead, columnHeaderSize); - maybeSetMinimumSize(rowHead, rowHeaderSize); - - if (vsbPolicy != VERTICAL_SCROLLBAR_NEVER) - maybeSetMinimumSize(vsb, verticalScrollBarSize); - - if (hsbPolicy != HORIZONTAL_SCROLLBAR_NEVER) - maybeSetMinimumSize(hsb, horizontalScrollBarSize); - - return new Dimension(insetsSize.width - + viewportSize.width - + viewportInsetsSize.width - + rowHeaderSize.width - + verticalScrollBarSize.width, - insetsSize.height - + viewportSize.height - + viewportInsetsSize.height - + columnHeaderSize.height - + horizontalScrollBarSize.height); - } - } - else - { - return new Dimension(0,0); - } - } - - /** - * - * +----+--------------------+----+ y1 - * | c1 | column header | c2 | - * +----+--------------------+----+ y2 - * | r | | v | - * | o | | | - * | w | | s | - * | | | r | - * | h | | o | - * | e | viewport | l | - * | a | | l | - * | d | | b | - * | e | | a | - * | r | | r | - * +----+--------------------+----+ y3 - * | c3 | h scrollbar | c4 | - * +----+--------------------+----+ y4 - * x1 x2 x3 x4 - * - */ - public void layoutContainer(Container parent) - { - if (parent instanceof JScrollPane) - { - JScrollPane sc = (JScrollPane) parent; - synchronized (sc.getTreeLock ()) - { - JViewport viewport = sc.getViewport(); - Dimension viewSize = viewport.getViewSize(); - Point viewPos = viewport.getViewPosition(); - - int x1 = 0, x2 = 0, x3 = 0, x4 = 0; - int y1 = 0, y2 = 0, y3 = 0, y4 = 0; - - Rectangle scrollPaneBounds = SwingUtilities.calculateInnerArea(sc, null); - - x1 = scrollPaneBounds.x; - y1 = scrollPaneBounds.y; - x4 = scrollPaneBounds.x + scrollPaneBounds.width; - y4 = scrollPaneBounds.y + scrollPaneBounds.height; - - if (colHead != null) - y2 = y1 + colHead.getPreferredSize().height; - else - y2 = y1; - - if (rowHead != null) - x2 = x1 + rowHead.getPreferredSize().width; - else - x2 = x1; - - int vsbPolicy = sc.getVerticalScrollBarPolicy(); - int hsbPolicy = sc.getHorizontalScrollBarPolicy(); - - x3 = x4 - vsb.getPreferredSize().width; - y3 = y4 - hsb.getPreferredSize().height; - - boolean showVsb = - (vsb != null) - && ((vsbPolicy == VERTICAL_SCROLLBAR_ALWAYS) - || (vsbPolicy == VERTICAL_SCROLLBAR_AS_NEEDED - && viewSize.height > (y3 - y2))); - - boolean showHsb = - (hsb != null) - && ((hsbPolicy == HORIZONTAL_SCROLLBAR_ALWAYS) - || (hsbPolicy == HORIZONTAL_SCROLLBAR_AS_NEEDED - && viewSize.width > (x3 - x2))); - - if (!showVsb) - x3 = x4; - - if (!showHsb) - y3 = y4; - - // now set the layout - - if (viewport != null) - viewport.setBounds(new Rectangle(x2, y2, x3-x2, y3-y2)); - - if (colHead != null) - colHead.setBounds(new Rectangle(x2, y1, x3-x2, y2-y1)); - - if (rowHead != null) - rowHead.setBounds(new Rectangle(x1, y2, x2-x1, y3-y2)); - - if (showVsb) - { - vsb.setVisible(true); - vsb.setBounds(new Rectangle(x3, y2, x4-x3, y3-y2)); - } - else if (vsb != null) - vsb.setVisible(false); - - if (showHsb) - { - hsb.setVisible(true); - hsb.setBounds(new Rectangle(x2, y3, x3-x2, y4-y3)); - } - else if (hsb != null) - hsb.setVisible(false); - - if (upperLeft != null) - upperLeft.setBounds(new Rectangle(x1, y1, x2-x1, y2-y1)); - - if (upperRight != null) - upperRight.setBounds(new Rectangle(x3, y1, x4-x3, y2-y1)); - - if (lowerLeft != null) - lowerLeft.setBounds(new Rectangle(x1, y3, x2-x1, y4-y3)); - - if (lowerRight != null) - lowerRight.setBounds(new Rectangle(x3, y3, x4-x3, y4-y3)); - - } - } - } - - public Rectangle getViewportBorderBounds(JScrollPane scrollPane) { - return null; - } - - -} |