Mercurial > hg > de.mpg.mpiwg.itgroup.digilib.core

comparison src/de/mpg/mpiwg/itgroup/digilib/digiImage/TextGridDigiImage.java @ 27:ee955cf6c9c5

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first commit
author dwinter
date Fri, 17 Jun 2011 14:24:34 +0200
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children fbcf122a6a24
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26:183c3e96f6c3 27:ee955cf6c9c5
1 package de.mpg.mpiwg.itgroup.digilib.digiImage;
2
3 import info.textgrid.namespaces.middleware.digilib.services.digilibservice.DigilibService;
4 import info.textgrid.namespaces.middleware.digilib.services.digilibservice.DigilibServicePortType;
5
6 import java.io.ByteArrayInputStream;
7 import java.io.IOException;
8 import java.io.InputStream;
9 import java.net.MalformedURLException;
10 import java.net.URL;
11 import java.util.ArrayList;
12 import java.util.Arrays;
13 import java.util.List;
14 import java.util.Map;
15
16 import javax.xml.ws.Holder;
17
18 import org.apache.commons.lang.StringUtils;
19 import org.eclipse.jface.viewers.ISelection;
20 import org.eclipse.jface.viewers.ISelectionChangedListener;
21 import org.eclipse.jface.viewers.SelectionChangedEvent;
22 import org.eclipse.jface.viewers.StructuredSelection;
23 import org.eclipse.swt.graphics.Image;
24 import org.eclipse.swt.widgets.Composite;
25 import org.eclipse.swt.widgets.Label;
26
27 import de.mpg.mpiwg.itgroup.digilib.manipulator.extensions.ZoomAreaRectangleListener;
28 import de.mpg.mpiwg.itgroup.digilib.plugin.editors.DigilibLinkEditorObservable;
29
30 public class TextGridDigiImage implements IDigiImage {
31 //private URL url;
32 private Composite parent;
33
34 private DigiImageParameter dp;
35
36 private String baseUrl;
37
38 private Label label;
39
40 private ZoomAreaRectangleListener rectangleListener=null;
41
42 private List<ISelectionChangedListener> selectionChangeListener = new ArrayList<ISelectionChangedListener>();
43
44 private DigilibService service;
45
46 private DigilibServicePortType port;
47
48 /* some parameters should not occur in the URL constructed by {@link #createUrlFromParameter(DigiImageParameter)} if set to negative values.
49 *
50 */
51 private static String[] omitIfNegativeArray = {"dw","dh","ddpi","ddpix","ddpiy"};
52 private static List<String> omitIfNegative = Arrays.asList(omitIfNegativeArray);
53
54 String logParam = null;
55 // Holder for return data
56 Holder<String> mimeType = new Holder<String>();
57 Holder<byte[]> imageData = new Holder<byte[]>();
58 Holder<Integer> width = new Holder<Integer>();
59 Holder<Integer> height = new Holder<Integer>();
60
61 private String sid;
62
63 public TextGridDigiImage(Composite parent, int style,
64 DigiImageParameter dp, String sid) {
65 label = new Label(parent, style);
66 this.parent = parent;
67 this.dp=dp;
68 try {
69 service = new DigilibService(new URL("http://localhost:8080/digilibservice-service/service?wsdl"));
70 } catch (MalformedURLException e) {
71 // TODO Auto-generated catch block
72 e.printStackTrace();
73 }
74 port = service.getDigilibServicePort();
75 this.sid=sid;
76 this.dp=dp;
77 try {
78 createNewImage(createQueryFromParameter(dp));
79 } catch (MalformedURLException e) {
80 // TODO Auto-generated catch block
81 e.printStackTrace();
82 }
83 // TODO Auto-generated constructor stub
84 }
85
86 public void addSelectionChangedListener(ISelectionChangedListener listener) {
87 selectionChangeListener.add(listener);
88
89 }
90
91 public ISelection getSelection() {
92 return new StructuredSelection(this);
93 }
94
95 public void removeSelectionChangedListener(
96 ISelectionChangedListener listener) {
97 selectionChangeListener.remove(listener);
98
99 }
100
101 public void setSelection(ISelection selection) {
102 for (ISelectionChangedListener sl: selectionChangeListener){
103 SelectionChangedEvent event = new SelectionChangedEvent(this, selection);
104 sl.selectionChanged(event);
105
106 }
107 }
108
109 public DigiImageParameter getParameter() {
110
111 return dp;
112 }
113
114 public void setParameter(DigiImageParameter dp) {
115 this.dp=dp;
116
117 }
118
119 public void redraw() {
120 try {
121 createNewImage(createQueryFromParameter(dp));
122 setSelection(new StructuredSelection(this));
123 DigilibLinkEditorObservable.INSTANCE.imageHasChanged(this);
124
125 } catch (MalformedURLException e) {
126 // TODO Auto-generated catch block
127 e.printStackTrace();
128 }
129 }
130 private void createNewImage(String query) {
131
132 port.getScaledImage(sid,dp.fn, query, logParam, mimeType, imageData, width, height);
133
134 Image img = new Image(parent.getDisplay(),new ByteArrayInputStream(imageData.value))
135 ;
136 //Label label = new Label(parent, SWT.None);
137 label.setImage(img);
138
139 label.setVisible(true);
140
141 }
142
143 private String createQueryFromParameter(DigiImageParameter dp) throws MalformedURLException {
144 Map<String, String> qa = dp.createMapFromParameters(omitIfNegative);
145
146 List<String> queryArray = new ArrayList<String>();
147 for(String key:qa.keySet()){
148 queryArray.add(key+"="+qa.get(key));
149 }
150 String queryString = StringUtils.join(queryArray,"&");
151
152 String stringUrl=queryString;
153
154 return stringUrl;
155 }
156
157 public Label getLabel() {
158 return label;
159
160 }
161
162 public void setLabel(Label label) {
163 this.label = label;
164
165 }
166
167 public ZoomAreaRectangleListener getRectangleListener() {
168 return rectangleListener;
169 }
170
171 public void setRectangleListener(ZoomAreaRectangleListener rectangleListener) {
172 this.rectangleListener = rectangleListener;
173 }
174
175 public Composite getParent() {
176 return parent;
177 }
178
179 }