Source Code Cross Referenced for InlineViewTest.java in  » Apache-Harmony-Java-SE » javax-package » javax » swing » text » html » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » javax package » javax.swing.text.html 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *  Licensed to the Apache Software Foundation (ASF) under one or more
003:         *  contributor license agreements.  See the NOTICE file distributed with
004:         *  this work for additional information regarding copyright ownership.
005:         *  The ASF licenses this file to You under the Apache License, Version 2.0
006:         *  (the "License"); you may not use this file except in compliance with
007:         *  the License.  You may obtain a copy of the License at
008:         *
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         *
011:         *  Unless required by applicable law or agreed to in writing, software
012:         *  distributed under the License is distributed on an "AS IS" BASIS,
013:         *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         *  See the License for the specific language governing permissions and
015:         *  limitations under the License.
016:         */
017:        /**
018:         * @author Alexey A. Ivanov
019:         * @version $Revision$
020:         */package javax.swing.text.html;
021:
022:        import java.awt.Graphics;
023:        import java.awt.Shape;
024:        import java.io.StringReader;
025:
026:        import javax.swing.BasicSwingTestCase;
027:        import javax.swing.event.DocumentEvent;
028:        import javax.swing.text.AttributeSet;
029:        import javax.swing.text.BadLocationException;
030:        import javax.swing.text.DefaultStyledDocument;
031:        import javax.swing.text.Document;
032:        import javax.swing.text.Element;
033:        import javax.swing.text.GlyphView;
034:        import javax.swing.text.SimpleAttributeSet;
035:        import javax.swing.text.StyleConstants;
036:        import javax.swing.text.StyledDocument;
037:        import javax.swing.text.TabExpander;
038:        import javax.swing.text.View;
039:        import javax.swing.text.GlyphView.GlyphPainter;
040:        import javax.swing.text.Position.Bias;
041:
042:        public class InlineViewTest extends BasicSwingTestCase {
043:            public static class FixedPainter extends GlyphPainter {
044:                public static final int CHAR_WIDTH = 7;
045:
046:                public float getSpan(GlyphView v, int startOffset,
047:                        int endOffset, TabExpander tabExpander, float x) {
048:                    return CHAR_WIDTH * (endOffset - startOffset);
049:                }
050:
051:                public int getBoundedPosition(GlyphView v, int startOffset,
052:                        float x, float len) {
053:                    int result = (int) len / CHAR_WIDTH + startOffset;
054:                    return result <= v.getEndOffset() ? result : v
055:                            .getEndOffset();
056:                }
057:
058:                public float getHeight(GlyphView v) {
059:                    return 0;
060:                }
061:
062:                public float getAscent(GlyphView v) {
063:                    return 0;
064:                }
065:
066:                public float getDescent(GlyphView v) {
067:                    return 0;
068:                }
069:
070:                public void paint(GlyphView v, Graphics g, Shape alloc,
071:                        int startOffset, int endOffset) {
072:                }
073:
074:                public Shape modelToView(GlyphView v, int offset, Bias bias,
075:                        Shape alloc) throws BadLocationException {
076:                    return null;
077:                }
078:
079:                public int viewToModel(GlyphView v, float x, float y,
080:                        Shape alloc, Bias[] biasReturn) {
081:                    return -1;
082:                }
083:            }
084:
085:            private class Event implements  DocumentEvent {
086:                public int getOffset() {
087:                    return inline.getStartOffset() + 1;
088:                }
089:
090:                public int getLength() {
091:                    return inline.getEndOffset() - inline.getStartOffset() - 2;
092:                }
093:
094:                public Document getDocument() {
095:                    return doc;
096:                }
097:
098:                public EventType getType() {
099:                    return null;
100:                }
101:
102:                public ElementChange getChange(final Element elem) {
103:                    return null;
104:                }
105:            }
106:
107:            private HTMLEditorKit kit;
108:            private HTMLDocument doc;
109:            private Element inline;
110:            private InlineView view;
111:            private AttributeSet attrs;
112:
113:            private int startOffset;
114:            private String text;
115:            private int whitespace;
116:
117:            protected void setUp() throws Exception {
118:                super .setUp();
119:                setIgnoreNotImplemented(true);
120:                kit = new HTMLEditorKit();
121:                doc = (HTMLDocument) kit.createDefaultDocument();
122:                StringReader reader = new StringReader("<html><head></head>"
123:                        + "<body>" + "<p>Normal paragraph: <em>em inside</em>"
124:                        + "   paragraph." + "</body></html>");
125:                kit.read(reader, doc, 0);
126:
127:                inline = doc.getCharacterElement(20);
128:                assertNotNull(inline.getAttributes().getAttribute(HTML.Tag.EM));
129:
130:                view = new InlineView(inline);
131:                attrs = view.getAttributes();
132:
133:                startOffset = inline.getStartOffset();
134:                text = doc.getText(startOffset, inline.getEndOffset()
135:                        - startOffset);
136:                whitespace = text.indexOf(' ');
137:            }
138:
139:            public void testInlineView() {
140:                assertSame(inline, view.getElement());
141:                assertNotSame(inline.getAttributes(), view.getAttributes());
142:            }
143:
144:            public void testInlineViewUponParagraph()
145:                    throws BadLocationException {
146:                final Element paragraph = doc.getParagraphElement(20);
147:                view = new InlineView(paragraph);
148:                assertSame(paragraph, view.getElement());
149:                assertNotSame(paragraph.getAttributes(), view.getAttributes());
150:            }
151:
152:            public void testInlineViewUponStyledDocument()
153:                    throws BadLocationException {
154:                final StyledDocument styledDoc = new DefaultStyledDocument();
155:                styledDoc.insertString(0, "a simple paragraph", null);
156:                inline = styledDoc.getCharacterElement(1);
157:                testExceptionalCase(new ClassCastCase() {
158:                    public void exceptionalAction() throws Exception {
159:                        new InlineView(inline);
160:                    }
161:
162:                    public String expectedExceptionMessage() {
163:                        return styledDoc.getClass().getName();
164:                    }
165:                });
166:            }
167:
168:            public void testGetAttributes() {
169:                assertEquals(2, attrs.getAttributeCount());
170:                assertEquals("italic", attrs.getAttribute(
171:                        CSS.Attribute.FONT_STYLE).toString());
172:                assertEquals(HTML.Tag.EM.toString(), attrs
173:                        .getAttribute(AttributeSet.NameAttribute));
174:
175:                assertTrue(StyleConstants.isItalic(attrs));
176:            }
177:
178:            public void testGetAttributesUpdate() {
179:                assertEquals(2, attrs.getAttributeCount());
180:                assertEquals("italic", attrs.getAttribute(
181:                        CSS.Attribute.FONT_STYLE).toString());
182:                assertEquals(HTML.Tag.EM.toString(), attrs
183:                        .getAttribute(AttributeSet.NameAttribute));
184:                assertNull(attrs.getAttribute(CSS.Attribute.BACKGROUND_COLOR));
185:
186:                doc.getStyleSheet().addRule("em { background-color: white }");
187:                assertEquals(4, attrs.getAttributeCount());
188:                assertEquals("white", attrs.getAttribute(
189:                        CSS.Attribute.BACKGROUND_COLOR).toString());
190:            }
191:
192:            public void testGetAttributesStyleSheet() {
193:                final Marker ssMarker = new Marker();
194:                view = new InlineView(inline) {
195:                    protected StyleSheet getStyleSheet() {
196:                        ssMarker.setOccurred();
197:                        return super .getStyleSheet();
198:                    };
199:                };
200:                assertTrue(ssMarker.isOccurred());
201:                ssMarker.reset();
202:                view.getAttributes();
203:                assertFalse(ssMarker.isOccurred());
204:            }
205:
206:            public void testGetAttributesSame() {
207:                assertSame(attrs, view.getAttributes());
208:            }
209:
210:            public void testGetBreakWeight() throws BadLocationException {
211:                view.setGlyphPainter(new FixedPainter());
212:                assertNull(attrs.getAttribute(CSS.Attribute.WHITE_SPACE));
213:
214:                assertEquals(View.BadBreakWeight, view.getBreakWeight(
215:                        View.X_AXIS, startOffset,
216:                        FixedPainter.CHAR_WIDTH - 0.01f));
217:                assertEquals(View.GoodBreakWeight, view.getBreakWeight(
218:                        View.X_AXIS, startOffset, FixedPainter.CHAR_WIDTH));
219:
220:                assertEquals(View.GoodBreakWeight, view.getBreakWeight(
221:                        View.X_AXIS, startOffset, FixedPainter.CHAR_WIDTH
222:                                * whitespace));
223:
224:                assertEquals(View.ExcellentBreakWeight, view.getBreakWeight(
225:                        View.X_AXIS, startOffset, FixedPainter.CHAR_WIDTH
226:                                * (whitespace + 1)));
227:            }
228:
229:            public void testGetBreakWeightNowrap() throws BadLocationException {
230:                view.setGlyphPainter(new FixedPainter());
231:
232:                assertNull(attrs.getAttribute(CSS.Attribute.WHITE_SPACE));
233:                doc.getStyleSheet().addRule("em { white-space: nowrap }");
234:                view.setPropertiesFromAttributes();
235:                assertNotNull(attrs.getAttribute(CSS.Attribute.WHITE_SPACE));
236:
237:                assertEquals(View.BadBreakWeight, view.getBreakWeight(
238:                        View.X_AXIS, startOffset,
239:                        FixedPainter.CHAR_WIDTH - 0.01f));
240:                assertEquals(View.BadBreakWeight, view.getBreakWeight(
241:                        View.X_AXIS, startOffset, FixedPainter.CHAR_WIDTH));
242:
243:                assertEquals(View.BadBreakWeight, view.getBreakWeight(
244:                        View.X_AXIS, startOffset, FixedPainter.CHAR_WIDTH
245:                                * whitespace));
246:
247:                assertEquals(View.BadBreakWeight, view.getBreakWeight(
248:                        View.X_AXIS, startOffset, FixedPainter.CHAR_WIDTH
249:                                * (whitespace + 1)));
250:            }
251:
252:            public void testBreakView() throws BadLocationException {
253:                view.setGlyphPainter(new FixedPainter());
254:                assertNull(attrs.getAttribute(CSS.Attribute.WHITE_SPACE));
255:
256:                View fragment = view.breakView(View.X_AXIS, startOffset, 0,
257:                        FixedPainter.CHAR_WIDTH - 0.01f);
258:                assertTrue(fragment instanceof  InlineView);
259:                assertNotSame(view, fragment);
260:                assertEquals(view.getStartOffset(), fragment.getStartOffset());
261:                assertEquals(view.getEndOffset(), fragment.getEndOffset());
262:
263:                fragment = view.breakView(View.X_AXIS, startOffset, 0,
264:                        FixedPainter.CHAR_WIDTH);
265:                assertEquals(view.getStartOffset(), fragment.getStartOffset());
266:                assertEquals(view.getStartOffset() + 1, fragment.getEndOffset());
267:
268:                fragment = view.breakView(View.X_AXIS, startOffset, 0,
269:                        FixedPainter.CHAR_WIDTH * (whitespace + 1));
270:                assertEquals(view.getStartOffset(), fragment.getStartOffset());
271:                assertEquals(view.getStartOffset() + whitespace + 1, fragment
272:                        .getEndOffset());
273:            }
274:
275:            public void testBreakViewNowrap() {
276:                view.setGlyphPainter(new FixedPainter());
277:                doc.getStyleSheet().addRule("em { white-space: nowrap }");
278:                view.setPropertiesFromAttributes();
279:                assertNotNull(attrs.getAttribute(CSS.Attribute.WHITE_SPACE));
280:
281:                View fragment = view.breakView(View.X_AXIS, startOffset, 0,
282:                        FixedPainter.CHAR_WIDTH - 0.01f);
283:                assertTrue(fragment instanceof  InlineView);
284:                if (isHarmony()) {
285:                    // The view is not breakable
286:                    // if the value of 'white-space' is 'nowrap'
287:                    assertSame(view, fragment);
288:                    return;
289:                }
290:                assertNotSame(view, fragment);
291:                assertEquals(view.getStartOffset(), fragment.getStartOffset());
292:                assertEquals(view.getEndOffset(), fragment.getEndOffset());
293:
294:                fragment = view.breakView(View.X_AXIS, startOffset, 0,
295:                        FixedPainter.CHAR_WIDTH);
296:                assertEquals(view.getStartOffset(), fragment.getStartOffset());
297:                assertEquals(view.getStartOffset() + 1, fragment.getEndOffset());
298:
299:                fragment = view.breakView(View.X_AXIS, startOffset, 0,
300:                        FixedPainter.CHAR_WIDTH * (whitespace + 1));
301:                assertEquals(view.getStartOffset(), fragment.getStartOffset());
302:                assertEquals(view.getStartOffset() + whitespace + 1, fragment
303:                        .getEndOffset());
304:            }
305:
306:            public void testChangedUpdate() {
307:                final Marker prefChanged = new Marker();
308:                final Marker setProps = new Marker();
309:                view = new InlineView(inline) {
310:                    public void preferenceChanged(View child, boolean width,
311:                            boolean height) {
312:                        prefChanged.setOccurred();
313:                        assertNull(child);
314:                        assertTrue(width);
315:                        assertTrue(height);
316:                        super .preferenceChanged(child, width, height);
317:                    }
318:
319:                    protected void setPropertiesFromAttributes() {
320:                        setProps.setOccurred();
321:                        super .setPropertiesFromAttributes();
322:                    }
323:                };
324:                assertFalse(prefChanged.isOccurred());
325:                assertFalse(setProps.isOccurred());
326:
327:                view.changedUpdate(new Event(), null, null);
328:                assertTrue(prefChanged.isOccurred());
329:                assertFalse(setProps.isOccurred());
330:            }
331:
332:            public void testChangedUpdateAttributes() {
333:                final Marker viewAttrMarker = new Marker(true);
334:                final StyleSheet ss = new StyleSheet() {
335:                    public AttributeSet getViewAttributes(final View v) {
336:                        viewAttrMarker.setOccurred();
337:                        return super .getViewAttributes(v);
338:                    }
339:                };
340:                view = new InlineView(inline) {
341:                    protected StyleSheet getStyleSheet() {
342:                        return ss;
343:                    }
344:                };
345:
346:                assertTrue(viewAttrMarker.isOccurred());
347:                attrs = view.getAttributes();
348:                view.changedUpdate(new Event(), null, null);
349:                assertTrue(viewAttrMarker.isOccurred());
350:                assertNotSame(attrs, view.getAttributes());
351:            }
352:
353:            public void testInsertUpdate() {
354:                final Marker prefChanged = new Marker();
355:                final Marker setProps = new Marker();
356:                view = new InlineView(inline) {
357:                    public void preferenceChanged(View child, boolean width,
358:                            boolean height) {
359:                        prefChanged.setOccurred();
360:                        assertNull(child);
361:                        assertTrue(width);
362:                        assertFalse(height);
363:                        super .preferenceChanged(child, width, height);
364:                    }
365:
366:                    protected void setPropertiesFromAttributes() {
367:                        setProps.setOccurred();
368:                        super .setPropertiesFromAttributes();
369:                    }
370:                };
371:                assertFalse(prefChanged.isOccurred());
372:                assertFalse(setProps.isOccurred());
373:
374:                view.insertUpdate(new Event(), null, null);
375:                assertTrue(prefChanged.isOccurred());
376:                assertFalse(setProps.isOccurred());
377:            }
378:
379:            public void testRemoveUpdate() {
380:                final Marker prefChanged = new Marker();
381:                final Marker setProps = new Marker();
382:                view = new InlineView(inline) {
383:                    public void preferenceChanged(View child, boolean width,
384:                            boolean height) {
385:                        prefChanged.setOccurred();
386:                        assertNull(child);
387:                        assertTrue(width);
388:                        assertFalse(height);
389:                        super .preferenceChanged(child, width, height);
390:                    }
391:
392:                    protected void setPropertiesFromAttributes() {
393:                        setProps.setOccurred();
394:                        super .setPropertiesFromAttributes();
395:                    }
396:                };
397:                assertFalse(prefChanged.isOccurred());
398:                assertFalse(setProps.isOccurred());
399:
400:                view.removeUpdate(new Event(), null, null);
401:                assertTrue(prefChanged.isOccurred());
402:                assertFalse(setProps.isOccurred());
403:            }
404:
405:            public void testSetPropertiesFromAttributes() {
406:                assertTrue(view.getFont().isItalic());
407:                assertFalse(view.isUnderline());
408:                doc.getStyleSheet()
409:                        .addRule("em { text-decoration: underline }");
410:                assertFalse(view.isUnderline());
411:                view.setPropertiesFromAttributes();
412:                assertTrue(view.isUnderline());
413:            }
414:
415:            public void testSetPropertiesFromAttributesBoxPainter() {
416:                final Marker boxMarker = new Marker();
417:                final Marker listMarker = new Marker();
418:                final StyleSheet ss = new StyleSheet() {
419:                    public BoxPainter getBoxPainter(final AttributeSet attr) {
420:                        boxMarker.setOccurred();
421:                        return null;
422:                    }
423:
424:                    public ListPainter getListPainter(final AttributeSet attr) {
425:                        listMarker.setOccurred();
426:                        return null;
427:                    }
428:                };
429:                view = new InlineView(inline) {
430:                    protected StyleSheet getStyleSheet() {
431:                        return ss;
432:                    }
433:                };
434:                assertFalse(boxMarker.isOccurred());
435:                assertFalse(listMarker.isOccurred());
436:                view.setPropertiesFromAttributes();
437:                assertFalse(boxMarker.isOccurred());
438:                assertFalse(listMarker.isOccurred());
439:            }
440:
441:            public void testSetPropertiesFromAttributesAttributes() {
442:                final Marker verticalAlign = new Marker();
443:                final Marker textDecoration = new Marker();
444:                final Marker whiteSpace = new Marker();
445:                view = new InlineView(inline) {
446:                    private AttributeSet attributes;
447:
448:                    public AttributeSet getAttributes() {
449:                        if (attributes == null) {
450:                            attributes = new SimpleAttributeSet(super 
451:                                    .getAttributes()) {
452:                                public Object getAttribute(Object name) {
453:                                    if (name == CSS.Attribute.VERTICAL_ALIGN) {
454:                                        verticalAlign.setOccurred();
455:                                    } else if (name == CSS.Attribute.TEXT_DECORATION) {
456:                                        textDecoration.setOccurred();
457:                                    } else if (name == CSS.Attribute.WHITE_SPACE) {
458:                                        whiteSpace.setOccurred();
459:                                    }
460:                                    return super .getAttribute(name);
461:                                }
462:                            };
463:                        }
464:                        return attributes;
465:                    }
466:                };
467:                view.setPropertiesFromAttributes();
468:                assertTrue(whiteSpace.isOccurred());
469:                if (isHarmony()) {
470:                    assertFalse(verticalAlign.isOccurred());
471:                    assertFalse(textDecoration.isOccurred());
472:                } else {
473:                    assertTrue(verticalAlign.isOccurred());
474:                    assertTrue(textDecoration.isOccurred());
475:                }
476:            }
477:
478:            public void testGetStyleSheet() {
479:                assertSame(doc.getStyleSheet(), view.getStyleSheet());
480:            }
481:
482:        }
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