| /* |
| * Copyright (c) 1997, 2013, 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 com.sun.java.swing.plaf.windows; |
| |
| import java.awt.*; |
| import java.awt.event.*; |
| |
| import java.io.*; |
| import java.util.*; |
| |
| import javax.swing.plaf.basic.*; |
| import javax.swing.*; |
| import javax.swing.plaf.*; |
| |
| import javax.swing.tree.*; |
| |
| import static com.sun.java.swing.plaf.windows.TMSchema.*; |
| import static com.sun.java.swing.plaf.windows.XPStyle.Skin; |
| |
| |
| /** |
| * A Windows tree. |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is appropriate |
| * for short term storage or RMI between applications running the same |
| * version of Swing. A future release of Swing will provide support for |
| * long term persistence. |
| * |
| * @author Scott Violet |
| */ |
| public class WindowsTreeUI extends BasicTreeUI { |
| |
| public static ComponentUI createUI( JComponent c ) |
| { |
| return new WindowsTreeUI(); |
| } |
| |
| |
| /** |
| * Ensures that the rows identified by beginRow through endRow are |
| * visible. |
| */ |
| protected void ensureRowsAreVisible(int beginRow, int endRow) { |
| if(tree != null && beginRow >= 0 && endRow < getRowCount(tree)) { |
| Rectangle visRect = tree.getVisibleRect(); |
| if(beginRow == endRow) { |
| Rectangle scrollBounds = getPathBounds(tree, getPathForRow |
| (tree, beginRow)); |
| |
| if(scrollBounds != null) { |
| scrollBounds.x = visRect.x; |
| scrollBounds.width = visRect.width; |
| tree.scrollRectToVisible(scrollBounds); |
| } |
| } |
| else { |
| Rectangle beginRect = getPathBounds(tree, getPathForRow |
| (tree, beginRow)); |
| if (beginRect != null) { |
| Rectangle testRect = beginRect; |
| int beginY = beginRect.y; |
| int maxY = beginY + visRect.height; |
| |
| for(int counter = beginRow + 1; counter <= endRow; counter++) { |
| testRect = getPathBounds(tree, |
| getPathForRow(tree, counter)); |
| if(testRect != null && (testRect.y + testRect.height) > maxY) { |
| counter = endRow; |
| } |
| } |
| |
| if (testRect == null) { |
| return; |
| } |
| |
| tree.scrollRectToVisible(new Rectangle(visRect.x, beginY, 1, |
| testRect.y + testRect.height- |
| beginY)); |
| } |
| } |
| } |
| } |
| |
| protected static final int HALF_SIZE = 4; |
| protected static final int SIZE = 9; |
| |
| /** |
| * Returns the default cell renderer that is used to do the |
| * stamping of each node. |
| */ |
| protected TreeCellRenderer createDefaultCellRenderer() { |
| return new WindowsTreeCellRenderer(); |
| } |
| |
| /** |
| * The minus sign button icon |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is appropriate |
| * for short term storage or RMI between applications running the same |
| * version of Swing. A future release of Swing will provide support for |
| * long term persistence. |
| */ |
| @SuppressWarnings("serial") // Same-version serialization only |
| public static class ExpandedIcon implements Icon, Serializable { |
| |
| public static Icon createExpandedIcon() { |
| return new ExpandedIcon(); |
| } |
| |
| Skin getSkin(Component c) { |
| XPStyle xp = XPStyle.getXP(); |
| return (xp != null) ? xp.getSkin(c, Part.TVP_GLYPH) : null; |
| } |
| |
| public void paintIcon(Component c, Graphics g, int x, int y) { |
| Skin skin = getSkin(c); |
| if (skin != null) { |
| skin.paintSkin(g, x, y, State.OPENED); |
| return; |
| } |
| |
| Color backgroundColor = c.getBackground(); |
| |
| if(backgroundColor != null) |
| g.setColor(backgroundColor); |
| else |
| g.setColor(Color.white); |
| g.fillRect(x, y, SIZE-1, SIZE-1); |
| g.setColor(Color.gray); |
| g.drawRect(x, y, SIZE-1, SIZE-1); |
| g.setColor(Color.black); |
| g.drawLine(x + 2, y + HALF_SIZE, x + (SIZE - 3), y + HALF_SIZE); |
| } |
| |
| public int getIconWidth() { |
| Skin skin = getSkin(null); |
| return (skin != null) ? skin.getWidth() : SIZE; |
| } |
| |
| public int getIconHeight() { |
| Skin skin = getSkin(null); |
| return (skin != null) ? skin.getHeight() : SIZE; |
| } |
| } |
| |
| /** |
| * The plus sign button icon |
| * <p> |
| * <strong>Warning:</strong> |
| * Serialized objects of this class will not be compatible with |
| * future Swing releases. The current serialization support is appropriate |
| * for short term storage or RMI between applications running the same |
| * version of Swing. A future release of Swing will provide support for |
| * long term persistence. |
| */ |
| @SuppressWarnings("serial") // Superclass is not serializable across versions |
| public static class CollapsedIcon extends ExpandedIcon { |
| public static Icon createCollapsedIcon() { |
| return new CollapsedIcon(); |
| } |
| |
| public void paintIcon(Component c, Graphics g, int x, int y) { |
| Skin skin = getSkin(c); |
| if (skin != null) { |
| skin.paintSkin(g, x, y, State.CLOSED); |
| } else { |
| super.paintIcon(c, g, x, y); |
| g.drawLine(x + HALF_SIZE, y + 2, x + HALF_SIZE, y + (SIZE - 3)); |
| } |
| } |
| } |
| |
| @SuppressWarnings("serial") // Superclass is not serializable across versions |
| public class WindowsTreeCellRenderer extends DefaultTreeCellRenderer { |
| |
| /** |
| * Configures the renderer based on the passed in components. |
| * The value is set from messaging the tree with |
| * <code>convertValueToText</code>, which ultimately invokes |
| * <code>toString</code> on <code>value</code>. |
| * The foreground color is set based on the selection and the icon |
| * is set based on on leaf and expanded. |
| */ |
| public Component getTreeCellRendererComponent(JTree tree, Object value, |
| boolean sel, |
| boolean expanded, |
| boolean leaf, int row, |
| boolean hasFocus) { |
| super.getTreeCellRendererComponent(tree, value, sel, |
| expanded, leaf, row, |
| hasFocus); |
| // Windows displays the open icon when the tree item selected. |
| if (!tree.isEnabled()) { |
| setEnabled(false); |
| if (leaf) { |
| setDisabledIcon(getLeafIcon()); |
| } else if (sel) { |
| setDisabledIcon(getOpenIcon()); |
| } else { |
| setDisabledIcon(getClosedIcon()); |
| } |
| } |
| else { |
| setEnabled(true); |
| if (leaf) { |
| setIcon(getLeafIcon()); |
| } else if (sel) { |
| setIcon(getOpenIcon()); |
| } else { |
| setIcon(getClosedIcon()); |
| } |
| } |
| return this; |
| } |
| |
| } |
| |
| } |