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org.apache.commons.jelly.tags.swing.DialogTag |
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1 | /* |
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2 | * Copyright 2002,2004 The Apache Software Foundation. |
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3 | * |
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4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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5 | * you may not use this file except in compliance with the License. |
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6 | * You may obtain a copy of the License at |
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7 | * |
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8 | * http://www.apache.org/licenses/LICENSE-2.0 |
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9 | * |
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10 | * Unless required by applicable law or agreed to in writing, software |
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11 | * distributed under the License is distributed on an "AS IS" BASIS, |
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12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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13 | * See the License for the specific language governing permissions and |
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14 | * limitations under the License. |
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15 | */ |
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16 | package org.apache.commons.jelly.tags.swing; |
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17 | ||
18 | import java.awt.Component; |
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19 | import java.awt.Container; |
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20 | import java.awt.Dialog; |
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21 | import java.awt.Frame; |
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22 | import java.util.Map; |
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23 | import javax.swing.JDialog; |
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24 | ||
25 | import org.apache.commons.jelly.JellyTagException; |
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26 | import org.apache.commons.jelly.XMLOutput; |
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27 | import org.apache.commons.jelly.tags.core.UseBeanTag; |
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28 | import org.apache.commons.logging.Log; |
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29 | import org.apache.commons.logging.LogFactory; |
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30 | ||
31 | /** |
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32 | * Creates a Swing Dialog. A JDialog needs to have it's owner set in the constructor, |
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33 | * which is why this class is needed instead of just using a BeanFactory. |
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34 | * |
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35 | * @author Dave Pekarek Krohn |
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36 | * @version $Revision: 155420 $ |
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37 | */ |
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38 | public class DialogTag extends UseBeanTag implements ContainerTag { |
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39 | ||
40 | /** The Log to which logging calls will be made. */ |
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41 | 8 | private static final Log log = LogFactory.getLog(DialogTag.class); |
42 | ||
43 | public DialogTag() { |
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44 | 0 | super(JDialog.class); |
45 | 0 | } |
46 | ||
47 | // Implementation methods |
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48 | //------------------------------------------------------------------------- |
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49 | ||
50 | /** |
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51 | * Creates a JDialog. The constructor used depends on the value of the owner attribute. |
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52 | */ |
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53 | protected Object newInstance(Class theClass, Map attributes, XMLOutput output) |
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54 | throws JellyTagException { |
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55 | 0 | Object owner = attributes.remove( "owner" ); |
56 | 0 | if (owner instanceof Frame) { |
57 | 0 | return new JDialog((Frame) owner); |
58 | 0 | } else if (owner instanceof Dialog) { |
59 | 0 | return new JDialog((Dialog) owner); |
60 | } else { |
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61 | 0 | return new JDialog(); |
62 | } |
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63 | } |
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64 | ||
65 | // ContainerTag interface |
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66 | //------------------------------------------------------------------------- |
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67 | ||
68 | /** |
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69 | * Adds a component to the dialog. |
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70 | */ |
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71 | public void addChild(Component component, Object constraints) { |
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72 | 0 | Container contentPane = ((JDialog) getBean()).getContentPane(); |
73 | 0 | if (constraints != null) { |
74 | 0 | contentPane.add( component, constraints ); |
75 | } else { |
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76 | 0 | contentPane.add( component ); |
77 | } |
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78 | 0 | } |
79 | } |
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80 |
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