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1
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package abbot.editor;
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2
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3
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import java.awt.Component;
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4
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import javax.swing.*;
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5
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import java.util.*;
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6
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import java.net.URL;
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7
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8
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9
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10
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class ComponentTreeIcons {
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11
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private Map icons = new HashMap();
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12
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145
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public Icon getIcon(Class cls) {
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13
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145
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String className = cls.getName();
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14
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145
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int lastdot = className.lastIndexOf(".");
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15
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145
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String simpleName = lastdot != -1
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16
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? className.substring(lastdot+1).toLowerCase() : className;
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17
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145
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Icon icon = (Icon)icons.get(className);
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18
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145
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if (icon == null) {
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19
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29
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URL url = getClass().getResource("icons/" + className + ".gif");
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20
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29
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if (url == null) {
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21
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url = getClass().getResource("icons/" + simpleName + ".gif");
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22
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}
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23
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29
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if (url == null) {
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24
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10
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if (Component.class.equals(cls))
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25
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0
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return null;
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26
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10
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icon = getIcon(cls.getSuperclass());
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27
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}
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28
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else {
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29
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19
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icon = new ImageIcon(url);
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30
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}
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31
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29
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if (icon != null) {
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32
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29
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icons.put(className, icon);
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33
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}
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34
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}
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35
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145
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return icon;
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36
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}
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37
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}
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38
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