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org.apache.commons.jelly.tags.jface.JFaceLayoutDataTag |
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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.jface; |
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17 | ||
18 | import org.apache.commons.jelly.JellyTagException; |
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19 | import org.apache.commons.jelly.tags.jface.window.ApplicationWindowImpl; |
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20 | import org.apache.commons.jelly.tags.jface.window.ApplicationWindowTag; |
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21 | import org.apache.commons.jelly.tags.swt.LayoutDataTag; |
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22 | import org.eclipse.jface.window.Window; |
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23 | import org.eclipse.swt.widgets.Control; |
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24 | import org.eclipse.swt.widgets.Widget; |
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25 | ||
26 | /** |
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27 | * Implementation of SWT LayoutDataTag |
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28 | * |
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29 | * @author <a href="mailto:ckl@dacelo.nl">Christiaan ten Klooster</a> |
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30 | */ |
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31 | 0 | public class JFaceLayoutDataTag extends LayoutDataTag { |
32 | ||
33 | /** |
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34 | * @param layoutDataClass |
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35 | */ |
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36 | public JFaceLayoutDataTag(Class layoutDataClass) { |
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37 | 0 | super(layoutDataClass); |
38 | 0 | } |
39 | ||
40 | /* (non-Javadoc) |
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41 | * @see org.apache.commons.jelly.tags.core.UseBeanTag#processBean(java.lang.String, java.lang.Object) |
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42 | */ |
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43 | protected void processBean(String var, Object bean) throws JellyTagException { |
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44 | 0 | Widget parent = getParentWidget(); |
45 | 0 | Window window = null; |
46 | 0 | if (parent == null) { |
47 | 0 | window = getParentWindow(); |
48 | 0 | if (window != null && window instanceof ApplicationWindowImpl) { |
49 | 0 | parent = ((ApplicationWindowImpl) window).getContents(); |
50 | } |
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51 | } |
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52 | ||
53 | 0 | if (parent instanceof Control) { |
54 | 0 | Control control = (Control) parent; |
55 | 0 | control.setLayoutData(getBean()); |
56 | } else { |
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57 | 0 | throw new JellyTagException("This tag must be nested within a control widget tag"); |
58 | } |
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59 | 0 | } |
60 | ||
61 | /** |
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62 | * @return the parent window |
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63 | */ |
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64 | public Window getParentWindow() { |
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65 | 0 | ApplicationWindowTag tag = |
66 | (ApplicationWindowTag) findAncestorWithClass(ApplicationWindowTag.class); |
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67 | 0 | if (tag != null) { |
68 | 0 | return tag.getWindow(); |
69 | } |
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70 | 0 | return null; |
71 | } |
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72 | ||
73 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |