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1
11 package org.eclipse.jdt.internal.junit.ui;
12
13 import java.io.ByteArrayInputStream  ;
14 import java.io.InputStream ;
15 import java.io.UnsupportedEncodingException ;
16
17 import org.eclipse.core.runtime.CoreException;
18
19 import org.eclipse.swt.SWT;
20 import org.eclipse.swt.custom.StyleRange;
21 import org.eclipse.swt.events.DisposeEvent;
22 import org.eclipse.swt.events.DisposeListener;
23 import org.eclipse.swt.graphics.Image;
24 import org.eclipse.swt.layout.GridData;
25 import org.eclipse.swt.layout.GridLayout;
26 import org.eclipse.swt.widgets.Composite;
27 import org.eclipse.swt.widgets.Control;
28 import org.eclipse.swt.widgets.Display;
29 import org.eclipse.swt.widgets.Shell;
30
31 import org.eclipse.jface.dialogs.IDialogConstants;
32 import org.eclipse.jface.dialogs.IDialogSettings;
33 import org.eclipse.jface.dialogs.TrayDialog;
34
35 import org.eclipse.jface.text.DocumentEvent;
36 import org.eclipse.jface.text.IDocument;
37 import org.eclipse.jface.text.IRegion;
38 import org.eclipse.jface.text.ITypedRegion;
39 import org.eclipse.jface.text.Region;
40 import org.eclipse.jface.text.TextAttribute;
41 import org.eclipse.jface.text.TextPresentation;
42 import org.eclipse.jface.text.TextViewer;
43 import org.eclipse.jface.text.presentation.IPresentationDamager;
44 import org.eclipse.jface.text.presentation.IPresentationReconciler;
45 import org.eclipse.jface.text.presentation.IPresentationRepairer;
46 import org.eclipse.jface.text.presentation.PresentationReconciler;
47 import org.eclipse.jface.text.source.ISourceViewer;
48 import org.eclipse.jface.text.source.SourceViewer;
49 import org.eclipse.jface.text.source.SourceViewerConfiguration;
50
51 import org.eclipse.ui.PlatformUI;
52
53 import org.eclipse.compare.CompareConfiguration;
54 import org.eclipse.compare.CompareViewerPane;
55 import org.eclipse.compare.IEncodedStreamContentAccessor;
56 import org.eclipse.compare.ITypedElement;
57 import org.eclipse.compare.contentmergeviewer.TextMergeViewer;
58 import org.eclipse.compare.structuremergeviewer.DiffNode;
59
60 import org.eclipse.jdt.internal.junit.model.TestElement;
61
62 public class CompareResultDialog extends TrayDialog {
63 private static final String PREFIX_SUFFIX_PROPERTY= "org.eclipse.jdt.internal.junit.ui.CompareResultDialog.prefixSuffix";
65 private static class CompareResultMergeViewer extends TextMergeViewer {
66 private CompareResultMergeViewer(Composite parent, int style, CompareConfiguration configuration) {
67 super(parent, style, configuration);
68 }
69
70 protected void createControls(Composite composite) {
71 super.createControls(composite);
72 PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IJUnitHelpContextIds.RESULT_COMPARE_DIALOG);
73 }
74
75
81 protected void configureTextViewer(TextViewer textViewer) {
82 if (textViewer instanceof SourceViewer) {
83 int[] prefixSuffixOffsets= (int[]) getCompareConfiguration().getProperty(PREFIX_SUFFIX_PROPERTY);
84 ((SourceViewer)textViewer).configure(new CompareResultViewerConfiguration(prefixSuffixOffsets));
85 }
86 }
87 }
88
89 private static class CompareResultViewerConfiguration extends SourceViewerConfiguration {
90 private static class SimpleDamagerRepairer implements IPresentationDamager, IPresentationRepairer {
91 private IDocument fDocument;
92 private final int[] fPrefixSuffixOffsets2;
93
94 public SimpleDamagerRepairer(int[] prefixSuffixOffsets) {
95 fPrefixSuffixOffsets2= prefixSuffixOffsets;
96 }
97
98 public void setDocument(IDocument document) {
99 fDocument= document;
100 }
101
102 public IRegion getDamageRegion(ITypedRegion partition, DocumentEvent event, boolean changed) {
103 return new Region(0, fDocument.getLength());
104 }
105
106 public void createPresentation(TextPresentation presentation, ITypedRegion damage) {
107 int prefix= fPrefixSuffixOffsets2[0];
108 int suffix= fPrefixSuffixOffsets2[1];
109 TextAttribute attr= new TextAttribute(Display.getDefault().getSystemColor(SWT.COLOR_RED), null, SWT.BOLD);
110 presentation.addStyleRange(new StyleRange(prefix, fDocument.getLength()-suffix-prefix, attr.getForeground(), attr.getBackground(), attr.getStyle()));
111 }
112 }
113
114 private final int[] fPrefixSuffixOffsets;
115
116 public CompareResultViewerConfiguration(int[] prefixSuffixOffsets) {
117 fPrefixSuffixOffsets= prefixSuffixOffsets;
118 }
119
120 public IPresentationReconciler getPresentationReconciler(ISourceViewer sourceViewer) {
121 PresentationReconciler reconciler= new PresentationReconciler();
122 SimpleDamagerRepairer dr= new SimpleDamagerRepairer(fPrefixSuffixOffsets);
123 reconciler.setDamager(dr, IDocument.DEFAULT_CONTENT_TYPE);
124 reconciler.setRepairer(dr, IDocument.DEFAULT_CONTENT_TYPE);
125 return reconciler;
126 }
127 }
128
129 private static class CompareElement implements ITypedElement, IEncodedStreamContentAccessor {
130 private String fContent;
131
132 public CompareElement(String content) {
133 fContent= content;
134 }
135 public String getName() {
136 return "<no name>"; }
138 public Image getImage() {
139 return null;
140 }
141 public String getType() {
142 return "txt"; }
144 public InputStream getContents() {
145 try {
146 return new ByteArrayInputStream (fContent.getBytes("UTF-8")); } catch (UnsupportedEncodingException e) {
148 return new ByteArrayInputStream (fContent.getBytes());
149 }
150 }
151 public String getCharset() throws CoreException {
152 return "UTF-8"; }
154 }
155
156 private TextMergeViewer fViewer;
157 private String fExpected;
158 private String fActual;
159 private String fTestName;
160
161
166 private final int[] fPrefixSuffix= new int[2];
167
168 public CompareResultDialog(Shell parentShell, TestElement element) {
169 super(parentShell);
170 setShellStyle(SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX);
171 setFailedTest(element);
172 }
173
174 private void setFailedTest(TestElement failedTest) {
175 fTestName= failedTest.getTestName();
176 fExpected= failedTest.getExpected();
177 fActual= failedTest.getActual();
178 computePrefixSuffix();
179 }
180
181
184 protected IDialogSettings getDialogBoundsSettings() {
185 return JUnitPlugin.getDefault().getDialogSettingsSection(getClass().getName());
186 }
187
188 private void computePrefixSuffix() {
189 int end= Math.min(fExpected.length(), fActual.length());
190 int i= 0;
191 for(; i < end; i++)
192 if (fExpected.charAt(i) != fActual.charAt(i))
193 break;
194 fPrefixSuffix[0]= i;
195
196 int j= fExpected.length()-1;
197 int k= fActual.length()-1;
198 int l= 0;
199 for (; k >= i && j >= i; k--,j--) {
200 if (fExpected.charAt(j) != fActual.charAt(k))
201 break;
202 l++;
203 }
204 fPrefixSuffix[1]= l;
205 }
206
207 protected void configureShell(Shell newShell) {
208 super.configureShell(newShell);
209 newShell.setText(JUnitMessages.CompareResultDialog_title);
210 PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJUnitHelpContextIds.RESULT_COMPARE_DIALOG);
211 }
212
213 protected void createButtonsForButtonBar(Composite parent) {
214 createButton(parent, IDialogConstants.OK_ID, JUnitMessages.CompareResultDialog_labelOK, true);
215 }
216
217 protected Control createDialogArea(Composite parent) {
218 Composite composite = (Composite)super.createDialogArea(parent);
219 GridLayout layout= new GridLayout();
220 layout.numColumns= 1;
221 composite.setLayout(layout);
222
223 CompareViewerPane pane = new CompareViewerPane(composite, SWT.BORDER | SWT.FLAT);
224 pane.setText(fTestName);
225 GridData data= new GridData(GridData.FILL_HORIZONTAL | GridData.FILL_VERTICAL);
226 data.widthHint= convertWidthInCharsToPixels(120);
227 data.heightHint= convertHeightInCharsToPixels(13);
228 pane.setLayoutData(data);
229
230 Control previewer= createPreviewer(pane);
231 pane.setContent(previewer);
232 GridData gd= new GridData(GridData.FILL_BOTH);
233 previewer.setLayoutData(gd);
234 applyDialogFont(parent);
235 return composite;
236 }
237
238 private Control createPreviewer(Composite parent) {
239 final CompareConfiguration compareConfiguration= new CompareConfiguration();
240 compareConfiguration.setLeftLabel(JUnitMessages.CompareResultDialog_expectedLabel);
241 compareConfiguration.setLeftEditable(false);
242 compareConfiguration.setRightLabel(JUnitMessages.CompareResultDialog_actualLabel);
243 compareConfiguration.setRightEditable(false);
244 compareConfiguration.setProperty(CompareConfiguration.IGNORE_WHITESPACE, Boolean.FALSE);
245 compareConfiguration.setProperty(PREFIX_SUFFIX_PROPERTY, fPrefixSuffix);
246
247 fViewer= new CompareResultMergeViewer(parent, SWT.NONE, compareConfiguration);
248 setCompareViewerInput();
249
250 Control control= fViewer.getControl();
251 control.addDisposeListener(new DisposeListener() {
252 public void widgetDisposed(DisposeEvent e) {
253 compareConfiguration.dispose();
254 }
255 });
256 return control;
257 }
258
259 private void setCompareViewerInput() {
260 if (! fViewer.getControl().isDisposed())
261 fViewer.setInput(new DiffNode(new CompareElement(fExpected), new CompareElement(fActual)));
262 }
263
264 public void setInput(TestElement failedTest) {
265 setFailedTest(failedTest);
266 setCompareViewerInput();
267 }
268 }
269 |
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