Source Code Cross Referenced for ParagraphViewTest.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.io.StringReader;
023:
024:        import javax.swing.BasicSwingTestCase;
025:        import javax.swing.text.AttributeSet;
026:        import javax.swing.text.Element;
027:        import javax.swing.text.PlainView;
028:        import javax.swing.text.SimpleAttributeSet;
029:        import javax.swing.text.StyleConstants;
030:        import javax.swing.text.View;
031:        import javax.swing.text.ViewFactory;
032:
033:        public class ParagraphViewTest extends BasicSwingTestCase {
034:            public static class ParagraphViewImpl extends ParagraphView {
035:                private final ViewFactory factory;
036:
037:                public ParagraphViewImpl(final Element element,
038:                        final ViewFactory factory) {
039:                    super (element);
040:                    this .factory = factory;
041:                    loadChildren(getViewFactory());
042:                }
043:
044:                public ViewFactory getViewFactory() {
045:                    return factory;
046:                }
047:
048:                public View getLayoutPool() {
049:                    return layoutPool;
050:                }
051:            }
052:
053:            private static class ParagraphViewNotVisible extends
054:                    ParagraphViewImpl {
055:                public ParagraphViewNotVisible(final Element element,
056:                        final ViewFactory factory) {
057:                    super (element, factory);
058:                }
059:
060:                public boolean isVisible() {
061:                    return false;
062:                }
063:            }
064:
065:            private HTMLEditorKit kit;
066:            private HTMLDocument doc;
067:            private Element block;
068:            private ParagraphView view;
069:            private ViewFactory factory;
070:            private AttributeSet attrs;
071:
072:            protected void setUp() throws Exception {
073:                super .setUp();
074:                setIgnoreNotImplemented(true);
075:                kit = new HTMLEditorKit();
076:                doc = (HTMLDocument) kit.createDefaultDocument();
077:                StringReader reader = new StringReader("<html><head></head>"
078:                        + "<body>" + "<p>Normal <em>em inside</em> paragraph."
079:                        + "</body></html>");
080:                kit.read(reader, doc, 0);
081:
082:                block = doc.getParagraphElement(10);
083:                assertEquals(HTML.Tag.P.toString(), block.getName());
084:
085:                factory = new BlockViewTest.InlineViewFactory();
086:                view = new ParagraphViewImpl(block, factory);
087:                attrs = view.getAttributes();
088:            }
089:
090:            public void testParagraphView() {
091:                assertEquals(View.Y_AXIS, view.getAxis());
092:                assertNotSame(block.getAttributes(), view.getAttributes());
093:            }
094:
095:            public void testGetAttributes() {
096:                assertSame(attrs, view.getAttributes());
097:            }
098:
099:            public void testGetAttributesStyleSheet() {
100:                final Marker ssMarker = new Marker(true);
101:                view = new ParagraphView(block) {
102:                    protected StyleSheet getStyleSheet() {
103:                        ssMarker.setOccurred();
104:                        return super .getStyleSheet();
105:                    };
106:                };
107:                assertTrue(ssMarker.isOccurred());
108:                view.getAttributes();
109:                assertFalse(ssMarker.isOccurred());
110:            }
111:
112:            public void testGetMinimumSpanNotVisible() {
113:                view = new ParagraphViewNotVisible(block, factory);
114:                assertFalse(view.isVisible());
115:                assertEquals(0, view.getMinimumSpan(View.X_AXIS), 0f);
116:                assertEquals(0, view.getMinimumSpan(View.Y_AXIS), 0f);
117:            }
118:
119:            public void testGetPreferredSpanNotVisible() {
120:                view = new ParagraphViewNotVisible(block, factory);
121:                assertFalse(view.isVisible());
122:                assertEquals(0, view.getPreferredSpan(View.X_AXIS), 0f);
123:                assertEquals(0, view.getPreferredSpan(View.Y_AXIS), 0f);
124:            }
125:
126:            public void testGetMaximumSpanNotVisible() {
127:                view = new ParagraphViewNotVisible(block, factory);
128:                assertFalse(view.isVisible());
129:                assertEquals(0, view.getMaximumSpan(View.X_AXIS), 0f);
130:                assertEquals(0, view.getMaximumSpan(View.Y_AXIS), 0f);
131:            }
132:
133:            public void testIsVisible() {
134:                assertEquals(0, view.getViewCount());
135:                assertTrue(view.isVisible());
136:            }
137:
138:            public void testIsVisibleNotLoaded() {
139:                view = new ParagraphView(block);
140:                testExceptionalCase(new NullPointerCase() {
141:                    public void exceptionalAction() throws Exception {
142:                        view.isVisible(); // Since layoutPool is null
143:                    }
144:                });
145:            }
146:
147:            public void testIsVisibleNotVisible() {
148:                final int elemCount = block.getElementCount();
149:                final int[] createCount = new int[] { 0 };
150:                final int[] isVisibleCount = new int[] { 0 };
151:                final View[] viewsRequested = new View[elemCount];
152:                final boolean[] results = new boolean[elemCount];
153:
154:                view = new ParagraphViewImpl(block, new ViewFactory() {
155:                    public View create(final Element element) {
156:                        ++createCount[0];
157:                        return new InlineView(element) {
158:                            public boolean isVisible() {
159:                                viewsRequested[isVisibleCount[0]] = this ;
160:                                results[isVisibleCount[0]] = getEndOffset()
161:                                        - getStartOffset() == 1;
162:                                ++isVisibleCount[0];
163:                                return results[isVisibleCount[0] - 1];
164:                            }
165:                        };
166:                    }
167:                });
168:                assertEquals(elemCount, createCount[0]);
169:                assertEquals(0, view.getViewCount());
170:
171:                assertFalse(view.isVisible());
172:
173:                assertEquals(elemCount - 1, isVisibleCount[0]);
174:                final View layoutPool = ((ParagraphViewImpl) view)
175:                        .getLayoutPool();
176:                for (int i = 0; i < isVisibleCount[0]; i++) {
177:                    assertSame("@ " + i, layoutPool.getView(i),
178:                            viewsRequested[i]);
179:                    assertFalse("@ " + i, results[i]);
180:                }
181:            }
182:
183:            public void testIsVisibleOneChild() throws Exception {
184:                doc = (HTMLDocument) kit.createDefaultDocument();
185:                StringReader reader = new StringReader(
186:                        "<html><body>00001111</body></html>");
187:                kit.read(reader, doc, 0);
188:                final SimpleAttributeSet attr = new SimpleAttributeSet();
189:                attr.addAttribute(StyleConstants.NameAttribute,
190:                        HTML.Tag.CONTENT);
191:                doc.insertString(5, "\n", attr);
192:                block = doc.getParagraphElement(3);
193:
194:                view = new ParagraphViewImpl(block, factory);
195:                assertTrue(view.isVisible());
196:            }
197:
198:            public void testIsVisibleCRChild() throws Exception {
199:                doc = (HTMLDocument) kit.createDefaultDocument();
200:                StringReader reader = new StringReader(
201:                        "<html><body>0000</body></html>");
202:                kit.read(reader, doc, 0);
203:                final boolean[] ordinaryViewVisible = new boolean[] { true };
204:                block = doc.getParagraphElement(1);
205:
206:                view = new ParagraphViewImpl(block, new ViewFactory() {
207:                    public View create(Element element) {
208:                        return new InlineView(element) {
209:                            public boolean isVisible() {
210:                                return getElement().getAttributes()
211:                                        .getAttribute("CR") != null
212:                                        || ordinaryViewVisible[0];
213:                            }
214:                        };
215:                    }
216:                });
217:                final View layoutPool = ((ParagraphViewImpl) view)
218:                        .getLayoutPool();
219:                assertEquals(2, layoutPool.getViewCount());
220:                assertTrue(layoutPool.getView(0).isVisible());
221:                assertTrue(layoutPool.getView(1).isVisible());
222:
223:                assertTrue(view.isVisible());
224:
225:                ordinaryViewVisible[0] = false;
226:                assertFalse(layoutPool.getView(0).isVisible());
227:                assertTrue(layoutPool.getView(1).isVisible());
228:                assertNotNull(layoutPool.getView(1).getElement()
229:                        .getAttributes().getAttribute("CR"));
230:
231:                assertFalse(view.isVisible());
232:            }
233:
234:            public void testIsVisibleNewLineChild() throws Exception {
235:                doc = (HTMLDocument) kit.createDefaultDocument();
236:                StringReader reader = new StringReader(
237:                        "<html><body>0000</body></html>");
238:                kit.read(reader, doc, 0);
239:                final SimpleAttributeSet attr = new SimpleAttributeSet();
240:                attr.addAttribute(StyleConstants.NameAttribute,
241:                        HTML.Tag.CONTENT);
242:                doc.insertString(2, "\n\n", attr);
243:                block = doc.getParagraphElement(3);
244:                assertEquals(3, block.getStartOffset());
245:                assertEquals(4, block.getEndOffset());
246:
247:                view = new ParagraphViewImpl(block, factory);
248:                final View layoutPool = ((ParagraphViewImpl) view)
249:                        .getLayoutPool();
250:                assertEquals(1, layoutPool.getViewCount());
251:
252:                final View newLineView = layoutPool.getView(0);
253:                assertTrue(newLineView.isVisible());
254:                assertNull(newLineView.getElement().getAttributes()
255:                        .getAttribute("CR"));
256:
257:                assertTrue(view.isVisible());
258:            }
259:
260:            public void testSetParent() {
261:                final Marker propertiesMarker = new Marker(true);
262:                view = new ParagraphView(block) {
263:                    protected void setPropertiesFromAttributes() {
264:                        propertiesMarker.setOccurred();
265:                        super .setPropertiesFromAttributes();
266:                    }
267:                };
268:                assertTrue(propertiesMarker.isOccurred());
269:                view.setParent(null);
270:                assertFalse(propertiesMarker.isOccurred());
271:
272:                view.setParent(new PlainView(doc.getDefaultRootElement()));
273:                assertTrue(propertiesMarker.isOccurred());
274:
275:                view.setParent(null);
276:                assertFalse(propertiesMarker.isOccurred());
277:            }
278:
279:            public void testGetStyleSheet() {
280:                assertSame(doc.getStyleSheet(), view.getStyleSheet());
281:            }
282:
283:            public void testSetPropertiesFromAttributes() {
284:                final Marker spaceAbove = new Marker();
285:                final Marker spaceBelow = new Marker();
286:                final Marker leftIndent = new Marker();
287:                final Marker rightIndent = new Marker();
288:                final Marker flIndent = new Marker();
289:                final Marker alignment = new Marker();
290:                final Marker lineSpacing = new Marker();
291:                final Marker paddingTop = new Marker();
292:                final Marker paddingRight = new Marker();
293:                final Marker paddingBottom = new Marker();
294:                final Marker paddingLeft = new Marker();
295:
296:                view = new ParagraphViewImpl(block, factory) {
297:                    private AttributeSet attributes;
298:
299:                    public AttributeSet getAttributes() {
300:                        if (attributes == null) {
301:                            attributes = new SimpleAttributeSet(super 
302:                                    .getAttributes()) {
303:                                public Object getAttribute(final Object name) {
304:                                    if (name == StyleConstants.SpaceAbove) {
305:                                        spaceAbove.setOccurred();
306:                                    } else if (name == StyleConstants.SpaceBelow) {
307:                                        spaceBelow.setOccurred();
308:                                    } else if (name == StyleConstants.LeftIndent) {
309:                                        leftIndent.setOccurred();
310:                                    } else if (name == StyleConstants.RightIndent) {
311:                                        rightIndent.setOccurred();
312:                                    } else if (name == StyleConstants.FirstLineIndent) {
313:                                        flIndent.setOccurred();
314:                                    } else if (name == StyleConstants.Alignment) {
315:                                        alignment.setOccurred();
316:                                    } else if (name == StyleConstants.LineSpacing) {
317:                                        lineSpacing.setOccurred();
318:                                    } else if (name == CSS.Attribute.PADDING_TOP) {
319:                                        paddingTop.setOccurred();
320:                                    } else if (name == CSS.Attribute.PADDING_RIGHT) {
321:                                        paddingRight.setOccurred();
322:                                    } else if (name == CSS.Attribute.PADDING_BOTTOM) {
323:                                        paddingBottom.setOccurred();
324:                                    } else if (name == CSS.Attribute.PADDING_LEFT) {
325:                                        paddingLeft.setOccurred();
326:                                    }
327:                                    return super .getAttribute(name);
328:                                }
329:                            };
330:                        }
331:                        return attributes;
332:                    }
333:                };
334:
335:                assertTrue(spaceAbove.isOccurred());
336:                assertTrue(spaceBelow.isOccurred());
337:                assertTrue(leftIndent.isOccurred());
338:                assertTrue(rightIndent.isOccurred());
339:                assertTrue(flIndent.isOccurred());
340:                assertTrue(alignment.isOccurred());
341:                assertTrue(lineSpacing.isOccurred());
342:                assertTrue(paddingTop.isOccurred());
343:                assertTrue(paddingRight.isOccurred());
344:                assertTrue(paddingBottom.isOccurred());
345:                assertTrue(paddingLeft.isOccurred());
346:            }
347:
348:            public void testGetBoxPainter() {
349:                final Marker bpMarker = new Marker();
350:                StyleSheet ss = new StyleSheet() {
351:                    public BoxPainter getBoxPainter(AttributeSet attr) {
352:                        bpMarker.setOccurred();
353:                        return super .getBoxPainter(attr);
354:                    }
355:                };
356:                doc = new HTMLDocument(ss);
357:                block = doc.getParagraphElement(doc.getLength());
358:                view = new ParagraphView(block);
359:                assertTrue(bpMarker.isOccurred());
360:            }
361:
362:            //    public void testPaint() {
363:            //
364:            //    }
365:        }
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