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1
30
31 package com.jgoodies.looks.common;
32
33 import java.awt.Component  ;
34 import java.awt.Container ;
35 import java.awt.Dimension ;
36 import java.awt.Insets ;
37
38 import javax.swing.plaf.basic.BasicOptionPaneUI ;
39
40 import com.jgoodies.looks.LookUtils;
41
42
49
50 public final class ExtButtonAreaLayout
51 extends BasicOptionPaneUI.ButtonAreaLayout {
52
53
59 public ExtButtonAreaLayout(boolean syncAllWidths, int padding) {
60 super(syncAllWidths, padding);
61 }
62
63 public void layoutContainer(Container container) {
64 Component [] children = container.getComponents();
65
66 if (children != null && children.length > 0) {
67 int numChildren = children.length;
68 Dimension [] sizes = new Dimension [numChildren];
69 int counter;
70 int yLocation = container.getInsets().top;
71
72 if (syncAllWidths) {
73 int maxWidth = getMinimumButtonWidth();
74
75 for (counter = 0; counter < numChildren; counter++) {
76 sizes[counter] = children[counter].getPreferredSize();
77 maxWidth = Math.max(maxWidth, sizes[counter].width);
78 }
79
80 int xLocation;
81 int xOffset;
82
83 if (getCentersChildren()) {
84 xLocation =
85 (container.getSize().width
86 - (maxWidth * numChildren
87 + (numChildren - 1) * padding))
88 / 2;
89 xOffset = padding + maxWidth;
90 } else {
91 if (numChildren > 1) {
92 xLocation = 0;
93 xOffset =
94 (container.getSize().width
95 - (maxWidth * numChildren))
96 / (numChildren - 1)
97 + maxWidth;
98 } else {
99 xLocation = (container.getSize().width - maxWidth) / 2;
100 xOffset = 0;
101 }
102 }
103 for (counter = 0; counter < numChildren; counter++) {
104 children[counter].setBounds(
105 xLocation,
106 yLocation,
107 maxWidth,
108 sizes[counter].height);
109 xLocation += xOffset;
110 }
111 } else {
112 int totalWidth = 0;
113
114 for (counter = 0; counter < numChildren; counter++) {
115 sizes[counter] = children[counter].getPreferredSize();
116 totalWidth += sizes[counter].width;
117 }
118 totalWidth += ((numChildren - 1) * padding);
119
120 boolean cc = getCentersChildren();
121 int xOffset;
122 int xLocation;
123
124 if (cc) {
125 xLocation = (container.getSize().width - totalWidth) / 2;
126 xOffset = padding;
127 } else {
128 if (numChildren > 1) {
129 xOffset =
130 (container.getSize().width - totalWidth)
131 / (numChildren - 1);
132 xLocation = 0;
133 } else {
134 xLocation =
135 (container.getSize().width - totalWidth) / 2;
136 xOffset = 0;
137 }
138 }
139
140 for (counter = 0; counter < numChildren; counter++) {
141 children[counter].setBounds(
142 xLocation,
143 yLocation,
144 sizes[counter].width,
145 sizes[counter].height);
146 xLocation += xOffset + sizes[counter].width;
147 }
148 }
149 }
150 }
151
152 public Dimension minimumLayoutSize(Container c) {
153 if (c != null) {
154 Component [] children = c.getComponents();
155
156 if (children != null && children.length > 0) {
157 Dimension aSize;
158 int numChildren = children.length;
159 int height = 0;
160 Insets cInsets = c.getInsets();
161 int extraHeight = cInsets.top + cInsets.bottom;
162
163 if (syncAllWidths) {
164 int maxWidth = getMinimumButtonWidth();
165
166 for (int counter = 0; counter < numChildren; counter++) {
167 aSize = children[counter].getPreferredSize();
168 height = Math.max(height, aSize.height);
169 maxWidth = Math.max(maxWidth, aSize.width);
170 }
171 return new Dimension (
172 maxWidth * numChildren + (numChildren - 1) * padding,
173 extraHeight + height);
174 } else {
175 int totalWidth = 0;
176
177 for (int counter = 0; counter < numChildren; counter++) {
178 aSize = children[counter].getPreferredSize();
179 height = Math.max(height, aSize.height);
180 totalWidth += aSize.width;
181 }
182 totalWidth += ((numChildren - 1) * padding);
183 return new Dimension (totalWidth, extraHeight + height);
184 }
185 }
186 }
187 return new Dimension (0, 0);
188 }
189
190
199 private int getMinimumButtonWidth() {
200 return LookUtils.IS_LOW_RESOLUTION ? 75 : 100;
201 }
202
203 } |
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