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org.apache.commons.jelly.tags.jface.ViewerTag |
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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 java.util.Map; |
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19 | ||
20 | import org.apache.commons.jelly.JellyTagException; |
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21 | import org.apache.commons.jelly.XMLOutput; |
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22 | import org.apache.commons.jelly.tags.swt.WidgetTag; |
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23 | import org.eclipse.jface.viewers.Viewer; |
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24 | import org.eclipse.swt.SWT; |
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25 | import org.eclipse.swt.widgets.Composite; |
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26 | import org.eclipse.swt.widgets.Widget; |
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27 | ||
28 | /** |
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29 | * This tag creates an JFace Viewer |
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30 | * |
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31 | * @author <a href="mailto:ckl@dacelo.nl">Christiaan ten Klooster</a> |
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32 | */ |
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33 | public class ViewerTag extends WidgetTag { |
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34 | ||
35 | private Composite parent; |
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36 | 0 | private int style = SWT.NULL; |
37 | ||
38 | /** |
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39 | * @param widgetClass |
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40 | */ |
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41 | public ViewerTag(Class tagClass) { |
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42 | 0 | super(tagClass); |
43 | 0 | } |
44 | ||
45 | /** |
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46 | * @param widgetClass |
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47 | * @param style |
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48 | */ |
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49 | public ViewerTag(Class tagClass, int style) { |
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50 | 0 | super(tagClass); |
51 | 0 | this.style = style; |
52 | 0 | } |
53 | ||
54 | /* |
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55 | * @see org.apache.commons.jelly.tags.core.UseBeanTag#newInstance(java.lang.Class, java.util.Map, org.apache.commons.jelly.XMLOutput) |
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56 | */ |
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57 | protected Object newInstance( |
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58 | Class theClass, |
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59 | Map attributes, |
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60 | XMLOutput output) |
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61 | throws JellyTagException { |
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62 | ||
63 | 0 | int style = getStyle(attributes); |
64 | ||
65 | // now lets call the constructor with the parent |
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66 | 0 | Widget parent = getParentWidget(); |
67 | 0 | Viewer viewer = (Viewer) createWidget(theClass, parent, style); |
68 | ||
69 | 0 | return viewer; |
70 | } |
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71 | ||
72 | /** |
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73 | * @return the visible viewer, if there is one. |
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74 | */ |
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75 | public Viewer getViewer() { |
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76 | 0 | Object bean = getBean(); |
77 | 0 | if (bean instanceof Viewer) { |
78 | 0 | return (Viewer) bean; |
79 | } |
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80 | 0 | return null; |
81 | } |
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82 | ||
83 | } |
This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |