--- a/jdk/src/share/classes/sun/awt/OrientableFlowLayout.java Fri Dec 23 22:30:33 2011 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,310 +0,0 @@
-/*
- * Copyright (c) 1996, 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 sun.awt;
-
-import java.awt.*;
-
-/**
- * Extends the FlowLayout class to support both vertical and horizontal
- * layout of components. Orientation can be changed dynamically after
- * creation by calling either of the methods @method orientHorizontally or
- * @method orientVertically. Separate values for alignment, vertical gap,
- * and horizontal gap can be specified for horizontal and vertical
- * orientation.
- *
- * @author Terry Cline
- */
-public class OrientableFlowLayout extends FlowLayout {
- /**
- * The horizontal orientation constant.
- */
- public static final int HORIZONTAL = 0;
-
- /**
- * The vertical orientation constant.
- */
- public static final int VERTICAL = 1;
-
- /**
- * The top vertical alignment constant.
- */
- public static final int TOP = 0;
-
- /**
- * The bottom vertical alignment constant.
- */
- public static final int BOTTOM = 2; // CENTER == 1
-
- int orientation;
- int vAlign;
- int vHGap;
- int vVGap;
-
- /**
- * Constructs a new flow layout with a horizontal orientation and
- * centered alignment.
- */
- public OrientableFlowLayout() {
- this(HORIZONTAL, CENTER, CENTER, 5, 5, 5, 5);
- }
-
- /**
- * Constructs a new flow layout with the specified orientation and
- * a centered alignment.
- *
- * @param orientation the orientation, one of HORIZONTAL or VERTICAL.
- */
- public OrientableFlowLayout(int orientation) {
- this(orientation, CENTER, CENTER, 5, 5, 5, 5);
- }
-
- /**
- * Constructs a new flow layout with the specified orientation and
- * alignment.
- *
- * @param orientation the orientation, one of HORIZONTAL or VERTICAL.
- * @param hAlign the horizontal alignment, one of LEFT, CENTER, or RIGHT.
- * @param vAlign the vertical alignment, one of TOP, CENTER, or BOTTOM.
- */
- public OrientableFlowLayout(int orientation, int hAlign, int vAlign) {
- this(orientation, hAlign, vAlign, 5, 5, 5, 5);
- }
-
- /**
- * Constructs a new flow layout with the specified orientation,
- * alignment, and gap values.
- *
- * @param orientation the orientation, one of HORIZONTAL or VERTICAL.
- * @param hAlign the horizontal alignment, one of LEFT, CENTER, or RIGHT.
- * @param vAlign the vertical alignment, one of TOP, CENTER, or BOTTOM.
- * @param hHGap the horizontal gap between components in HORIZONTAL.
- * @param hVGap the vertical gap between components in HORIZONTAL.
- * @param vHGap the horizontal gap between components in VERTICAL.
- * @param vVGap the vertical gap between components in VERTICAL.
- */
- public OrientableFlowLayout(int orientation, int hAlign, int vAlign, int hHGap, int hVGap, int vHGap, int vVGap) {
- super(hAlign, hHGap, hVGap);
- this.orientation = orientation;
- this.vAlign = vAlign;
- this.vHGap = vHGap;
- this.vVGap = vVGap;
- }
-
- /**
- * Set the layout's current orientation to horizontal.
- */
- public synchronized void orientHorizontally() {
- orientation = HORIZONTAL;
- }
-
- /**
- * Set the layout's current orientation to vertical.
- */
- public synchronized void orientVertically() {
- orientation = VERTICAL;
- }
-
- /**
- * Returns the preferred dimensions for this layout given the
- * components in the specified target container.
- *
- * @param target the component which needs to be laid out.
- * @see Container
- * @see FlowLayout
- * @see #minimumLayoutSize
- */
- public Dimension preferredLayoutSize(Container target) {
- if (orientation == HORIZONTAL) {
- return super.preferredLayoutSize(target);
- }
- else {
- Dimension dim = new Dimension(0, 0);
-
- int n = target.countComponents();
- for (int i = 0; i < n; i++) {
- Component c = target.getComponent(i);
- if (c.isVisible()) {
- Dimension cDim = c.preferredSize();
- dim.width = Math.max(dim.width, cDim.width);
- if (i > 0) {
- dim.height += vVGap;
- }
- dim.height += cDim.height;
- }
- }
-
- Insets insets = target.insets();;
- dim.width += insets.left + insets.right + vHGap*2;
- dim.height += insets.top + insets.bottom + vVGap*2;
-
- return dim;
- }
- }
-
- /**
- * Returns the minimum dimensions needed to layout the components
- * contained in the specified target container.
- *
- * @param target the component which needs to be laid out.
- * @see #preferredLayoutSize.
- */
- public Dimension minimumLayoutSize(Container target) {
- if (orientation == HORIZONTAL) {
- return super.minimumLayoutSize(target);
- }
- else {
- Dimension dim = new Dimension(0, 0);
-
- int n = target.countComponents();
- for (int i = 0; i < n; i++) {
- Component c = target.getComponent(i);
- if (c.isVisible()) {
- Dimension cDim = c.minimumSize();
- dim.width = Math.max(dim.width, cDim.width);
- if (i > 0) {
- dim.height += vVGap;
- }
- dim.height += cDim.height;
- }
- }
-
- Insets insets = target.insets();
- dim.width += insets.left + insets.right + vHGap*2;
- dim.height += insets.top + insets.bottom + vVGap*2;
-
- return dim;
- }
- }
-
- /**
- * Lays out the container. This method will reshape the
- * components in the target to satisfy the constraints of the
- * layout.
- *
- * @param target the specified component being laid out.
- * @see Container.
- */
- public void layoutContainer(Container target) {
- if (orientation == HORIZONTAL) {
- super.layoutContainer(target);
- }
- else {
- Insets insets = target.insets();
- Dimension targetDim = target.size();
- int maxHeight = targetDim.height - (insets.top + insets.bottom + vVGap*2);
- int x = insets.left + vHGap;
- int y = 0;
- int colWidth = 0;
- int start = 0;
-
- int n = target.countComponents();
- for (int i = 0; i < n; i++) {
- Component c = target.getComponent(i);
- if (c.isVisible()) {
- Dimension cDim = c.preferredSize();
- c.resize(cDim.width, cDim.height);
-
- if ((y == 0) || ((y + cDim.height) <= maxHeight)) {
- if (y > 0) {
- y += vVGap;
- }
- y += cDim.height;
- colWidth = Math.max(colWidth, cDim.width);
- }
- else {
- moveComponents(target,
- x,
- insets.top + vVGap,
- colWidth,
- maxHeight - y,
- start,
- i);
- x += vHGap + colWidth;
- y = cDim.width;
- colWidth = cDim.width;
- start = i;
- }
- }
- }
-
- moveComponents(target,
- x,
- insets.top + vVGap,
- colWidth,
- maxHeight - y,
- start,
- n);
- }
- }
-
- /**
- * Aligns the components vertically if there is any slack.
- *
- * @param target the container whose components need to be moved.
- * @param x the x coordinate.
- * @param y the y coordinate.
- * @param width the width available.
- * @param height the height available.
- * @param colStart the beginning of the column.
- * @param colEnd the end of the column.
- */
- private void moveComponents(Container target, int x, int y, int width, int height, int colStart, int colEnd) {
- switch (vAlign) {
- case TOP:
- break;
- case CENTER:
- y += height/2;
- break;
- case BOTTOM:
- y += height;
- }
-
- for (int i = colStart; i < colEnd; i++) {
- Component c = target.getComponent(i);
- Dimension cDim = c.size();
- if (c.isVisible()) {
- c.move(x + (width - cDim.width)/2, y);
- y += vVGap + cDim.height;
- }
- }
- }
-
- /**
- * Returns the String representation of this layout's values.
- */
- public String toString() {
- String str = "";
- switch (orientation) {
- case HORIZONTAL:
- str = "orientation=horizontal, ";
- break;
- case VERTICAL:
- str = "orientation=vertical, ";
- break;
- }
-
- return getClass().getName() + "[" + str + super.toString() + "]";
- }
-}