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annotate graal/com.oracle.max.base/src/com/sun/max/gui/SpringUtilities.java @ 4240:394424b7df1a

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Disabled certain DaCapo tests for fastdebug testing in the gate.
author Doug Simon <doug.simon@oracle.com>
date Fri, 06 Jan 2012 18:35:39 +0100
parents e233f5660da4
children
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1 /*
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2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23 package com.sun.max.gui;
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24
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25 import java.awt.*;
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26
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27 import javax.swing.*;
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28 /**
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29 * Partially copied from the "Swing Tutorial".
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30 * Minor changes to comply with our CheckStyle settings.
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31 *
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32 * A 1.4 file that provides utility methods for
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33 * creating form- or grid-style layouts with SpringLayout.
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34 * These utilities are used by several programs, such as
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35 * SpringBox and SpringCompactGrid.
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36 */
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37 public final class SpringUtilities {
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38 private SpringUtilities() {
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39 }
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40
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41 /**
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42 * A debugging utility that prints to stdout the component's
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43 * minimum, preferred, and maximum sizes.
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44 */
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45 public static void printSizes(Component c) {
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46 System.out.println("minimumSize = " + c.getMinimumSize());
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47 System.out.println("preferredSize = " + c.getPreferredSize());
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48 System.out.println("maximumSize = " + c.getMaximumSize());
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49 }
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50
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51 /**
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52 * Aligns the first {@code rows} * {@code cols}
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53 * components of {@code parent} in
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54 * a grid. Each component is as big as the maximum
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55 * preferred width and height of the components.
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56 * The parent is made just big enough to fit them all.
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57 *
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58 * @param rows number of rows
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59 * @param cols number of columns
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60 * @param initialX x location to start the grid at
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61 * @param initialY y location to start the grid at
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62 * @param xPad x padding between cells
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63 * @param yPad y padding between cells
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64 */
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65 public static void makeGrid(Container parent,
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66 int rows, int cols,
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67 int initialX, int initialY,
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68 int xPad, int yPad) {
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69 SpringLayout layout;
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70 try {
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71 layout = (SpringLayout) parent.getLayout();
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72 } catch (ClassCastException exc) {
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73 System.err.println("The first argument to makeGrid must use SpringLayout.");
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74 return;
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75 }
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76
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77 final Spring xPadSpring = Spring.constant(xPad);
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78 final Spring yPadSpring = Spring.constant(yPad);
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79 final Spring initialXSpring = Spring.constant(initialX);
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80 final Spring initialYSpring = Spring.constant(initialY);
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81 final int max = rows * cols;
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82
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83 //Calculate Springs that are the max of the width/height so that all
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84 //cells have the same size.
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85 Spring maxWidthSpring = layout.getConstraints(parent.getComponent(0)).
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86 getWidth();
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87 Spring maxHeightSpring = layout.getConstraints(parent.getComponent(0)).
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88 getWidth();
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89 for (int i = 1; i < max; i++) {
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90 final SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));
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91
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92 maxWidthSpring = Spring.max(maxWidthSpring, cons.getWidth());
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93 maxHeightSpring = Spring.max(maxHeightSpring, cons.getHeight());
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94 }
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95
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96 //Apply the new width/height Spring. This forces all the
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97 //components to have the same size.
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98 for (int i = 0; i < max; i++) {
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99 final SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));
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100
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101 cons.setWidth(maxWidthSpring);
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102 cons.setHeight(maxHeightSpring);
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103 }
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104
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105 //Then adjust the x/y constraints of all the cells so that they
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106 //are aligned in a grid.
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107 SpringLayout.Constraints lastCons = null;
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108 SpringLayout.Constraints lastRowCons = null;
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109 for (int i = 0; i < max; i++) {
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110 final SpringLayout.Constraints cons = layout.getConstraints(parent.getComponent(i));
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111 if (i % cols == 0) { //start of new row
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112 lastRowCons = lastCons;
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113 cons.setX(initialXSpring);
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114 } else if (lastCons != null) { //x position depends on previous component
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115 cons.setX(Spring.sum(lastCons.getConstraint(SpringLayout.EAST),
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116 xPadSpring));
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117 }
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118
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119 if (i / cols == 0) { //first row
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120 cons.setY(initialYSpring);
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121 } else if (lastRowCons != null) { //y position depends on previous row
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122 cons.setY(Spring.sum(lastRowCons.getConstraint(SpringLayout.SOUTH),
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123 yPadSpring));
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124 }
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125 lastCons = cons;
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126 }
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127
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128 //Set the parent's size.
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129 final SpringLayout.Constraints pCons = layout.getConstraints(parent);
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130 if (lastCons != null) {
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131 pCons.setConstraint(SpringLayout.SOUTH, Spring.sum(Spring.constant(yPad), lastCons.getConstraint(SpringLayout.SOUTH)));
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132 pCons.setConstraint(SpringLayout.EAST, Spring.sum(Spring.constant(xPad), lastCons.getConstraint(SpringLayout.EAST)));
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133 }
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134 }
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135
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136 public static void makeGrid(Container parent, int numberOfColumns) {
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137 makeGrid(parent, parent.getComponentCount() / numberOfColumns, numberOfColumns, 0, 0, 5, 5);
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138 }
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139
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140 /* Used by makeCompactGrid. */
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141 private static SpringLayout.Constraints getConstraintsForCell(
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142 int row, int col,
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143 Container parent,
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144 int cols) {
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145 final SpringLayout layout = (SpringLayout) parent.getLayout();
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146 final Component c = parent.getComponent(row * cols + col);
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147 return layout.getConstraints(c);
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148 }
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149
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150 /**
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151 * Aligns the first {@code rows} * {@code cols}
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152 * components of {@code parent} in
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153 * a grid. Each component in a column is as wide as the maximum
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154 * preferred width of the components in that column;
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155 * height is similarly determined for each row.
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156 * The parent is made just big enough to fit them all.
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157 *
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158 * @param rows number of rows
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159 * @param cols number of columns
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160 * @param initialX x location to start the grid at
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161 * @param initialY y location to start the grid at
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162 * @param xPad x padding between cells
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163 * @param yPad y padding between cells
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164 */
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165 public static void makeCompactGrid(Container parent,
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166 int rows, int cols,
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167 int initialX, int initialY,
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168 int xPad, int yPad) {
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169 SpringLayout layout;
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170 try {
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171 layout = (SpringLayout) parent.getLayout();
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172 } catch (ClassCastException exc) {
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173 System.err.println("The first argument to makeCompactGrid must use SpringLayout.");
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174 return;
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175 }
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176
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177 //Align all cells in each column and make them the same width.
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178 Spring x = Spring.constant(initialX);
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179 for (int c = 0; c < cols; c++) {
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180 Spring width = Spring.constant(0);
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181 for (int r = 0; r < rows; r++) {
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182 width = Spring.max(width,
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183 getConstraintsForCell(r, c, parent, cols).
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184 getWidth());
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185 }
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186 for (int r = 0; r < rows; r++) {
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187 final SpringLayout.Constraints constraints = getConstraintsForCell(r, c, parent, cols);
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188 constraints.setX(x);
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189 constraints.setWidth(width);
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190 }
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191 x = Spring.sum(x, Spring.sum(width, Spring.constant(xPad)));
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192 }
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193
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194 //Align all cells in each row and make them the same height.
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195 Spring y = Spring.constant(initialY);
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196 for (int r = 0; r < rows; r++) {
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197 Spring height = Spring.constant(0);
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198 for (int c = 0; c < cols; c++) {
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199 height = Spring.max(height,
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200 getConstraintsForCell(r, c, parent, cols).
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201 getHeight());
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202 }
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203 for (int c = 0; c < cols; c++) {
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204 final SpringLayout.Constraints constraints = getConstraintsForCell(r, c, parent, cols);
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205 constraints.setY(y);
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206 constraints.setHeight(height);
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207 }
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208 y = Spring.sum(y, Spring.sum(height, Spring.constant(yPad)));
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209 }
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210
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211 //Set the parent's size.
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212 final SpringLayout.Constraints pCons = layout.getConstraints(parent);
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213 pCons.setConstraint(SpringLayout.SOUTH, y);
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214 pCons.setConstraint(SpringLayout.EAST, x);
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215 }
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216
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217 public static void makeCompactGrid(Container parent, int numberOfColumns) {
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218 makeCompactGrid(parent, parent.getComponentCount() / numberOfColumns, numberOfColumns, 0, 0, 3, 3);
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219 }
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220
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221 }