Source Code Cross Referenced for JRFillFrame.java in  » Report » jasperreports-2.0.1 » net » sf » jasperreports » engine » fill » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Report » jasperreports 2.0.1 » net.sf.jasperreports.engine.fill 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * ============================================================================
003:         * GNU Lesser General Public License
004:         * ============================================================================
005:         *
006:         * JasperReports - Free Java report-generating library.
007:         * Copyright (C) 2001-2006 JasperSoft Corporation http://www.jaspersoft.com
008:         * 
009:         * This library is free software; you can redistribute it and/or
010:         * modify it under the terms of the GNU Lesser General Public
011:         * License as published by the Free Software Foundation; either
012:         * version 2.1 of the License, or (at your option) any later version.
013:         * 
014:         * This library is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
017:         * Lesser General Public License for more details.
018:         * 
019:         * You should have received a copy of the GNU Lesser General Public
020:         * License along with this library; if not, write to the Free Software
021:         * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307, USA.
022:         * 
023:         * JasperSoft Corporation
024:         * 303 Second Street, Suite 450 North
025:         * San Francisco, CA 94107
026:         * http://www.jaspersoft.com
027:         */
028:        package net.sf.jasperreports.engine.fill;
029:
030:        import java.awt.Color;
031:        import java.io.IOException;
032:        import java.util.HashMap;
033:        import java.util.List;
034:        import java.util.Map;
035:
036:        import net.sf.jasperreports.engine.JRAbstractObjectFactory;
037:        import net.sf.jasperreports.engine.JRBox;
038:        import net.sf.jasperreports.engine.JRChild;
039:        import net.sf.jasperreports.engine.JRElement;
040:        import net.sf.jasperreports.engine.JRException;
041:        import net.sf.jasperreports.engine.JRExpressionCollector;
042:        import net.sf.jasperreports.engine.JRFrame;
043:        import net.sf.jasperreports.engine.JRPrintElement;
044:        import net.sf.jasperreports.engine.JRStyle;
045:        import net.sf.jasperreports.engine.base.JRBaseBox;
046:        import net.sf.jasperreports.engine.base.JRBaseElementGroup;
047:        import net.sf.jasperreports.engine.util.JRStyleResolver;
048:        import net.sf.jasperreports.engine.xml.JRXmlWriter;
049:
050:        /**
051:         * Fill time implementation of a frame element.
052:         * 
053:         * @author Lucian Chirita (lucianc@users.sourceforge.net)
054:         * @version $Id: JRFillFrame.java 1473 2006-11-09 17:48:03Z lucianc $
055:         */
056:        public class JRFillFrame extends JRFillElement implements  JRFrame {
057:            protected final JRFrame parentFrame;
058:
059:            /**
060:             * Element container used for filling.
061:             */
062:            private JRFillFrameElements frameContainer;
063:
064:            /**
065:             * Template frame without the bottom border.
066:             */
067:            private Map bottomTemplateFrames;
068:
069:            /**
070:             * Template frame without the top border
071:             */
072:            private Map topTemplateFrames;
073:
074:            /**
075:             * Template frame without the top and bottom borders
076:             */
077:            private Map topBottomTemplateFrames;
078:
079:            /**
080:             * Whether the current frame chunk is the first one.
081:             */
082:            private boolean first;
083:
084:            private boolean fillBottomBorder;
085:
086:            /**
087:             * Whether the frame has started filling and not ended.
088:             */
089:            private boolean filling;
090:
091:            public JRFillFrame(JRBaseFiller filler, JRFrame frame,
092:                    JRFillObjectFactory factory) {
093:                super (filler, frame, factory);
094:
095:                parentFrame = frame;
096:
097:                frameContainer = new JRFillFrameElements(factory);
098:
099:                bottomTemplateFrames = new HashMap();
100:                topTemplateFrames = new HashMap();
101:                topBottomTemplateFrames = new HashMap();
102:
103:                setShrinkable(true);
104:            }
105:
106:            protected JRFillFrame(JRFillFrame frame, JRFillCloneFactory factory) {
107:                super (frame, factory);
108:
109:                parentFrame = frame.parentFrame;
110:
111:                frameContainer = new JRFillFrameElements(frame.frameContainer,
112:                        factory);
113:
114:                bottomTemplateFrames = frame.bottomTemplateFrames;
115:                topTemplateFrames = frame.topTemplateFrames;
116:                topBottomTemplateFrames = frame.topBottomTemplateFrames;
117:            }
118:
119:            /**
120:             *
121:             */
122:            public byte getMode() {
123:                return JRStyleResolver.getMode(this , MODE_TRANSPARENT);
124:            }
125:
126:            protected void evaluate(byte evaluation) throws JRException {
127:                reset();
128:
129:                evaluatePrintWhenExpression(evaluation);
130:
131:                if (isPrintWhenExpressionNull() || isPrintWhenTrue()) {
132:                    frameContainer.evaluate(evaluation);
133:
134:                    boolean repeating = true;
135:                    JRFillElement[] elements = (JRFillElement[]) getElements();
136:                    for (int i = 0; repeating && i < elements.length; i++) {
137:                        repeating &= elements[i].isValueRepeating();
138:                    }
139:                    setValueRepeating(repeating);
140:                }
141:
142:                filling = false;
143:            }
144:
145:            protected void rewind() throws JRException {
146:                frameContainer.rewind();
147:
148:                filling = false;
149:            }
150:
151:            protected boolean prepare(int availableStretchHeight,
152:                    boolean isOverflow) throws JRException {
153:                super .prepare(availableStretchHeight, isOverflow);
154:
155:                if (!isToPrint()) {
156:                    return false;
157:                }
158:
159:                first = !isOverflow || !filling;
160:                int topPadding = first ? getTopPadding() : 0;
161:                int bottomPadding = getBottomPadding();
162:
163:                if (availableStretchHeight < getRelativeY() - getY()
164:                        - getBandBottomY() - topPadding) {
165:                    setToPrint(false);
166:                    return true;
167:                }
168:
169:                if (!filling
170:                        && !isPrintRepeatedValues()
171:                        && isValueRepeating()
172:                        && (!isPrintInFirstWholeBand() || !getBand()
173:                                .isFirstWholeOnPageColumn())
174:                        && (getPrintWhenGroupChanges() == null || !getBand()
175:                                .isNewGroup(getPrintWhenGroupChanges()))
176:                        && (!isOverflow || !isPrintWhenDetailOverflows())) {
177:                    setToPrint(false);
178:                    return false;
179:                }
180:
181:                // FIXME reprinted when isAlreadyPrinted() || !isPrintRepeatedValues()?
182:                if (!filling && isOverflow && isAlreadyPrinted()) {
183:                    if (isPrintWhenDetailOverflows()) {
184:                        rewind();
185:                        setReprinted(true);
186:                    } else {
187:                        setToPrint(false);
188:                        return false;
189:                    }
190:                }
191:
192:                int stretchHeight = availableStretchHeight - getRelativeY()
193:                        + getY() + getBandBottomY();
194:
195:                frameContainer.initFill();
196:                frameContainer.resetElements();
197:                int frameElemsAvailableHeight = stretchHeight + bottomPadding
198:                        + getTopPadding() - topPadding;
199:                frameContainer.prepareElements(frameElemsAvailableHeight, true);
200:
201:                boolean willOverflow = frameContainer.willOverflow();
202:                if (willOverflow) {
203:                    fillBottomBorder = false;
204:                    setStretchHeight(getHeight() + stretchHeight);
205:                } else {
206:                    int neededStretch = frameContainer.getStretchHeight()
207:                            - frameContainer.getFirstY() + topPadding
208:                            + bottomPadding;
209:                    if (neededStretch <= getHeight() + stretchHeight) {
210:                        fillBottomBorder = true;
211:                        setStretchHeight(neededStretch);
212:                    } else //don't overflow because of the bottom padding
213:                    {
214:                        fillBottomBorder = false;
215:                        setStretchHeight(getHeight() + stretchHeight);
216:                    }
217:                }
218:
219:                filling = willOverflow;
220:
221:                return willOverflow;
222:            }
223:
224:            protected void setStretchHeight(int stretchHeight) {
225:                super .setStretchHeight(stretchHeight);
226:
227:                int topPadding = first ? getTopPadding() : 0;
228:                int bottomPadding = fillBottomBorder ? getBottomPadding() : 0;
229:                frameContainer.setStretchHeight(stretchHeight
230:                        + frameContainer.getFirstY() - topPadding
231:                        - bottomPadding);
232:            }
233:
234:            protected void stretchHeightFinal() {
235:                frameContainer.stretchElements();
236:                frameContainer.moveBandBottomElements();
237:                frameContainer.removeBlankElements();
238:
239:                int topPadding = first ? getTopPadding() : 0;
240:                int bottomPadding = fillBottomBorder ? getBottomPadding() : 0;
241:                super .setStretchHeight(frameContainer.getStretchHeight()
242:                        - frameContainer.getFirstY() + topPadding
243:                        + bottomPadding);
244:            }
245:
246:            protected JRPrintElement fill() throws JRException {
247:                JRTemplatePrintFrame printFrame = new JRTemplatePrintFrame(
248:                        getTemplate());
249:                printFrame.setX(getX());
250:                printFrame.setY(getRelativeY());
251:                printFrame.setWidth(getWidth());
252:
253:                frameContainer.fillElements(printFrame);
254:
255:                printFrame.setHeight(getStretchHeight());
256:
257:                return printFrame;
258:            }
259:
260:            protected JRTemplateFrame getTemplate() {
261:                JRStyle style = getStyle();
262:
263:                Map templatesMap;
264:                if (first) {
265:                    if (fillBottomBorder) {
266:                        templatesMap = templates;
267:                    } else //remove the bottom border
268:                    {
269:                        templatesMap = bottomTemplateFrames;
270:                    }
271:                } else {
272:                    if (fillBottomBorder) //remove the top border
273:                    {
274:                        templatesMap = topTemplateFrames;
275:                    } else //remove the top and bottom borders
276:                    {
277:                        templatesMap = topBottomTemplateFrames;
278:                    }
279:                }
280:
281:                JRTemplateFrame boxTemplate = (JRTemplateFrame) templatesMap
282:                        .get(style);
283:                if (boxTemplate == null) {
284:                    boxTemplate = new JRTemplateFrame(filler.getJasperPrint()
285:                            .getDefaultStyleProvider(), this );
286:                    if (first) {
287:                        if (!fillBottomBorder) //remove the bottom border
288:                        {
289:                            JRBox bottomBox = new JRBaseBox(this , false, false,
290:                                    false, true);
291:                            boxTemplate.setBox(bottomBox);
292:                        }
293:                    } else {
294:                        if (fillBottomBorder) //remove the top border
295:                        {
296:                            JRBox topBox = new JRBaseBox(this , false, false,
297:                                    true, false);
298:                            boxTemplate.setBox(topBox);
299:                        } else //remove the top and bottom borders
300:                        {
301:                            JRBox topBottomBox = new JRBaseBox(this , false,
302:                                    false, true, true);
303:                            boxTemplate.setBox(topBottomBox);
304:                        }
305:                    }
306:
307:                    templatesMap.put(style, boxTemplate);
308:                }
309:
310:                return boxTemplate;
311:            }
312:
313:            protected void resolveElement(JRPrintElement element,
314:                    byte evaluation) {
315:                // nothing
316:            }
317:
318:            public JRElement[] getElements() {
319:                return frameContainer.getElements();
320:            }
321:
322:            public List getChildren() {
323:                return frameContainer.getChildren();
324:            }
325:
326:            public void collectExpressions(JRExpressionCollector collector) {
327:                collector.collect(this );
328:            }
329:
330:            public JRChild getCopy(JRAbstractObjectFactory factory) {
331:                return factory.getFrame(this );
332:            }
333:
334:            public void writeXml(JRXmlWriter writer) throws IOException {
335:                writer.writeFrame(this );
336:            }
337:
338:            public JRElement getElementByKey(String key) {
339:                return JRBaseElementGroup.getElementByKey(getElements(), key);
340:            }
341:
342:            public JRCloneable createClone(JRFillCloneFactory factory) {
343:                return new JRFillFrame(this , factory);
344:            }
345:
346:            /**
347:             * Frame element container filler.
348:             */
349:            protected class JRFillFrameElements extends JRFillElementContainer {
350:                JRFillFrameElements(JRFillObjectFactory factory) {
351:                    super (JRFillFrame.this .filler, parentFrame, factory);
352:                    initElements();
353:                }
354:
355:                JRFillFrameElements(JRFillFrameElements frameElements,
356:                        JRFillCloneFactory factory) {
357:                    super (frameElements, factory);
358:                    initElements();
359:                }
360:
361:                protected int getContainerHeight() {
362:                    return JRFillFrame.this .getHeight() - getTopPadding()
363:                            - getBottomPadding();
364:                }
365:            }
366:
367:            //box
368:
369:            public byte getBorder() {
370:                return JRStyleResolver.getBorder(this );
371:            }
372:
373:            public Byte getOwnBorder() {
374:                return parentFrame.getOwnBorder();
375:            }
376:
377:            public void setBorder(byte border) {
378:            }
379:
380:            public Color getBorderColor() {
381:                return JRStyleResolver.getBorderColor(this , getForecolor());
382:            }
383:
384:            public Color getOwnBorderColor() {
385:                return parentFrame.getOwnBorderColor();
386:            }
387:
388:            public void setBorderColor(Color borderColor) {
389:            }
390:
391:            public int getPadding() {
392:                return JRStyleResolver.getPadding(this );
393:            }
394:
395:            public Integer getOwnPadding() {
396:                return parentFrame.getOwnPadding();
397:            }
398:
399:            public void setPadding(int padding) {
400:            }
401:
402:            public byte getTopBorder() {
403:                return JRStyleResolver.getTopBorder(this );
404:            }
405:
406:            public Byte getOwnTopBorder() {
407:                return parentFrame.getOwnTopBorder();
408:            }
409:
410:            public void setTopBorder(byte topBorder) {
411:            }
412:
413:            public Color getTopBorderColor() {
414:                return JRStyleResolver.getTopBorderColor(this , getForecolor());
415:            }
416:
417:            public Color getOwnTopBorderColor() {
418:                return parentFrame.getOwnTopBorderColor();
419:            }
420:
421:            public void setTopBorderColor(Color topBorderColor) {
422:            }
423:
424:            public int getTopPadding() {
425:                return JRStyleResolver.getTopPadding(this );
426:            }
427:
428:            public Integer getOwnTopPadding() {
429:                return parentFrame.getOwnTopPadding();
430:            }
431:
432:            public void setTopPadding(int topPadding) {
433:            }
434:
435:            public byte getLeftBorder() {
436:                return JRStyleResolver.getLeftBorder(this );
437:            }
438:
439:            public Byte getOwnLeftBorder() {
440:                return parentFrame.getOwnLeftBorder();
441:            }
442:
443:            public void setLeftBorder(byte leftBorder) {
444:            }
445:
446:            public Color getLeftBorderColor() {
447:                return JRStyleResolver.getLeftBorderColor(this , getForecolor());
448:            }
449:
450:            public Color getOwnLeftBorderColor() {
451:                return parentFrame.getOwnLeftBorderColor();
452:            }
453:
454:            public void setLeftBorderColor(Color leftBorderColor) {
455:            }
456:
457:            public int getLeftPadding() {
458:                return JRStyleResolver.getLeftPadding(this );
459:            }
460:
461:            public Integer getOwnLeftPadding() {
462:                return parentFrame.getOwnLeftPadding();
463:            }
464:
465:            public void setLeftPadding(int leftPadding) {
466:            }
467:
468:            public byte getBottomBorder() {
469:                return JRStyleResolver.getBottomBorder(this );
470:            }
471:
472:            public Byte getOwnBottomBorder() {
473:                return parentFrame.getOwnBottomBorder();
474:            }
475:
476:            public void setBottomBorder(byte bottomBorder) {
477:            }
478:
479:            public Color getBottomBorderColor() {
480:                return JRStyleResolver.getBottomBorderColor(this ,
481:                        getForecolor());
482:            }
483:
484:            public Color getOwnBottomBorderColor() {
485:                return parentFrame.getOwnBottomBorderColor();
486:            }
487:
488:            public void setBottomBorderColor(Color bottomBorderColor) {
489:            }
490:
491:            public int getBottomPadding() {
492:                return JRStyleResolver.getBottomPadding(this );
493:            }
494:
495:            public Integer getOwnBottomPadding() {
496:                return parentFrame.getOwnBottomPadding();
497:            }
498:
499:            public void setBottomPadding(int bottomPadding) {
500:            }
501:
502:            public byte getRightBorder() {
503:                return JRStyleResolver.getRightBorder(this );
504:            }
505:
506:            public Byte getOwnRightBorder() {
507:                return parentFrame.getOwnRightBorder();
508:            }
509:
510:            public void setRightBorder(byte rightBorder) {
511:            }
512:
513:            public Color getRightBorderColor() {
514:                return JRStyleResolver
515:                        .getRightBorderColor(this , getForecolor());
516:            }
517:
518:            public Color getOwnRightBorderColor() {
519:                return parentFrame.getOwnRightBorderColor();
520:            }
521:
522:            public void setRightBorderColor(Color rightBorderColor) {
523:            }
524:
525:            public int getRightPadding() {
526:                return JRStyleResolver.getRightPadding(this );
527:            }
528:
529:            public Integer getOwnRightPadding() {
530:                return parentFrame.getOwnRightPadding();
531:            }
532:
533:            public void setRightPadding(int rightPadding) {
534:            }
535:
536:            public void setBorder(Byte border) {
537:            }
538:
539:            public void setPadding(Integer padding) {
540:            }
541:
542:            public void setTopBorder(Byte topBorder) {
543:            }
544:
545:            public void setTopPadding(Integer topPadding) {
546:            }
547:
548:            public void setLeftBorder(Byte leftBorder) {
549:            }
550:
551:            public void setLeftPadding(Integer leftPadding) {
552:            }
553:
554:            public void setBottomBorder(Byte bottomBorder) {
555:            }
556:
557:            public void setBottomPadding(Integer bottomPadding) {
558:            }
559:
560:            public void setRightBorder(Byte rightBorder) {
561:            }
562:
563:            public void setRightPadding(Integer rightPadding) {
564:            }
565:        }
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