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improved support for line breaks in XSLF

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1240026 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Yegor Kozlov 2012-02-03 08:24:38 +00:00
parent 46bc4f45f7
commit 0efe45cb7d
7 changed files with 114 additions and 24 deletions
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3
src/ooxml/java/org/apache/poi/xslf/usermodel/TextFragment.java
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@ -55,7 +55,8 @@ class TextFragment {
* @return full height of this text run which is sum of ascent, descent and leading
*/
public float getHeight(){
return _layout.getAscent() + _layout.getDescent() + _layout.getLeading();
double h = Math.ceil(_layout.getAscent()) + Math.ceil(_layout.getDescent()) + _layout.getLeading();
return (float)h;
}
/**

45
src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFLineBreak.java Normal file
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@ -0,0 +1,45 @@
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ====================================================================
*/
package org.apache.poi.xslf.usermodel;
import org.openxmlformats.schemas.drawingml.x2006.main.CTRegularTextRun;
import org.openxmlformats.schemas.drawingml.x2006.main.CTTextCharacterProperties;
/**
* @author Yegor Kozlov
*/
class XSLFLineBreak extends XSLFTextRun {
private final CTTextCharacterProperties _brProps;
XSLFLineBreak(CTRegularTextRun r, XSLFTextParagraph p, CTTextCharacterProperties brProps){
super(r, p);
_brProps = brProps;
}
@Override
protected CTTextCharacterProperties getRPr(){
return _brProps;
}
public void setText(String text){
throw new IllegalStateException("You cannot change text of a line break, it is always '\\n'");
}
}

26
src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFTextParagraph.java
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@ -115,6 +115,11 @@ public class XSLFTextParagraph implements Iterable<XSLFTextRun>{
return _runs.iterator();
}
/**
* Add a new run of text
*
* @return a new run of text
*/
public XSLFTextRun addNewTextRun(){
CTRegularTextRun r = _p.addNewR();
CTTextCharacterProperties rPr = r.addNewRPr();
@ -124,8 +129,25 @@ public class XSLFTextParagraph implements Iterable<XSLFTextRun>{
return run;
}
public void addLineBreak(){
_p.addNewBr();
/**
* Insert a line break
*
* @return text run representing this line break ('\n')
*/
public XSLFTextRun addLineBreak(){
CTTextLineBreak br = _p.addNewBr();
CTTextCharacterProperties brProps = br.addNewRPr();
if(_runs.size() > 0){
// by default line break has the font size of the last text run
CTTextCharacterProperties prevRun = _runs.get(_runs.size() - 1).getRPr();
brProps.set(prevRun);
}
CTRegularTextRun r = CTRegularTextRun.Factory.newInstance();
r.setRPr(brProps);
r.setT("\n");
XSLFTextRun run = new XSLFLineBreak(r, this, brProps);
_runs.add(run);
return run;
}
/**

20
src/ooxml/java/org/apache/poi/xslf/usermodel/XSLFTextRun.java
View File

@ -121,7 +121,7 @@ public class XSLFTextRun {
}
public void setFontColor(Color color){
CTTextCharacterProperties rPr = getRpR();
CTTextCharacterProperties rPr = getRPr();
CTSolidColorFillProperties fill = rPr.isSetSolidFill() ? rPr.getSolidFill() : rPr.addNewSolidFill();
CTSRgbColor clr = fill.isSetSrgbClr() ? fill.getSrgbClr() : fill.addNewSrgbClr();
clr.setVal(new byte[]{(byte)color.getRed(), (byte)color.getGreen(), (byte)color.getBlue()});
@ -163,7 +163,7 @@ public class XSLFTextRun {
* The value of <code>-1</code> unsets the Sz attribyte from the underlying xml bean
*/
public void setFontSize(double fontSize){
CTTextCharacterProperties rPr = getRpR();
CTTextCharacterProperties rPr = getRPr();
if(fontSize == -1.0) {
if(rPr.isSetSz()) rPr.unsetSz();
} else {
@ -226,7 +226,7 @@ public class XSLFTextRun {
* @param spc character spacing in points.
*/
public void setCharacterSpacing(double spc){
CTTextCharacterProperties rPr = getRpR();
CTTextCharacterProperties rPr = getRPr();
if(spc == 0.0) {
if(rPr.isSetSpc()) rPr.unsetSpc();
} else {
@ -245,7 +245,7 @@ public class XSLFTextRun {
}
public void setFontFamily(String typeface, byte charset, byte pictAndFamily, boolean isSymbol){
CTTextCharacterProperties rPr = getRpR();
CTTextCharacterProperties rPr = getRPr();
if(typeface == null){
if(rPr.isSetLatin()) rPr.unsetLatin();
@ -315,7 +315,7 @@ public class XSLFTextRun {
* @param strike whether a run of text will be formatted as strikethrough text.
*/
public void setStrikethrough(boolean strike) {
getRpR().setStrike(strike ? STTextStrikeType.SNG_STRIKE : STTextStrikeType.NO_STRIKE);
getRPr().setStrike(strike ? STTextStrikeType.SNG_STRIKE : STTextStrikeType.NO_STRIKE);
}
/**
@ -393,7 +393,7 @@ public class XSLFTextRun {
* @param bold whether this run of text will be formatted as bold text
*/
public void setBold(boolean bold){
getRpR().setB(bold);
getRPr().setB(bold);
}
/**
@ -417,7 +417,7 @@ public class XSLFTextRun {
* @param italic whether this run of text is formatted as italic text
*/
public void setItalic(boolean italic){
getRpR().setI(italic);
getRPr().setI(italic);
}
/**
@ -441,7 +441,7 @@ public class XSLFTextRun {
* @param underline whether this run of text is formatted as underlined text
*/
public void setUnderline(boolean underline) {
getRpR().setU(underline ? STTextUnderlineType.SNG : STTextUnderlineType.NONE);
getRPr().setU(underline ? STTextUnderlineType.SNG : STTextUnderlineType.NONE);
}
/**
@ -461,7 +461,7 @@ public class XSLFTextRun {
return fetcher.getValue() == null ? false : fetcher.getValue();
}
protected CTTextCharacterProperties getRpR(){
protected CTTextCharacterProperties getRPr(){
return _r.isSetRPr() ? _r.getRPr() : _r.addNewRPr();
}
@ -485,7 +485,7 @@ public class XSLFTextRun {
private boolean fetchCharacterProperty(CharacterPropertyFetcher fetcher){
boolean ok = false;
if(_r.isSetRPr()) ok = fetcher.fetch(_r.getRPr());
if(_r.isSetRPr()) ok = fetcher.fetch(getRPr());
if(!ok) {
XSLFTextShape shape = _p.getParentShape();

2
src/ooxml/testcases/org/apache/poi/xslf/extractor/TestXSLFPowerPointExtractor.java
View File

@ -189,7 +189,7 @@ public class TestXSLFPowerPointExtractor extends TestCase {
"Theme Master first level\n" +
"And the 2nd level\n" +
"Our 3rd level goes here\n" +
"And onto the 4th, such fun….\n" +
"And onto the 4th, such fun....\n" +
"Finally is the Fifth level\n";
// Check the whole text

28
src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFTextParagraph.java
View File

@ -290,4 +290,32 @@ public class TestXSLFTextParagraph extends TestCase {
p.setBullet(false);
assertFalse(p.isBullet());
}
public void testLineBreak(){
XMLSlideShow ppt = new XMLSlideShow();
XSLFSlide slide = ppt.createSlide();
XSLFTextShape sh = slide.createAutoShape();
XSLFTextParagraph p = sh.addNewTextParagraph();
XSLFTextRun r1 = p.addNewTextRun();
r1.setText("Hello,");
XSLFTextRun r2 = p.addLineBreak();
assertEquals("\n", r2.getText());
r2.setFontSize(10.0);
assertEquals(10.0, r2.getFontSize());
XSLFTextRun r3 = p.addNewTextRun();
r3.setText("World!");
r3.setFontSize(20.0);
XSLFTextRun r4 = p.addLineBreak();
assertEquals(20.0, r4.getFontSize());
assertEquals("Hello,\nWorld!\n",sh.getText());
try {
r2.setText("aaa");
fail("Expected IllegalStateException");
} catch (IllegalStateException e){
assertEquals("You cannot change text of a line break, it is always '\\n'", e.getMessage());
}
}
}

10
src/ooxml/testcases/org/apache/poi/xslf/usermodel/TestXSLFTextRun.java
View File

@ -19,14 +19,8 @@
package org.apache.poi.xslf.usermodel;
import junit.framework.TestCase;
import org.apache.poi.util.POILogFactory;
import org.apache.poi.util.POILogger;
import org.apache.poi.xslf.XSLFTestDataSamples;
import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.util.List;
/**
* @author Yegor Kozlov
@ -39,7 +33,7 @@ public class TestXSLFTextRun extends TestCase {
XSLFTextShape sh = slide.createAutoShape();
XSLFTextRun r = sh.addNewTextParagraph().addNewTextRun();
assertEquals("en-US", r.getRpR().getLang());
assertEquals("en-US", r.getRPr().getLang());
assertEquals(0., r.getCharacterSpacing());
r.setCharacterSpacing(3);
@ -48,7 +42,7 @@ public class TestXSLFTextRun extends TestCase {
assertEquals(-3., r.getCharacterSpacing());
r.setCharacterSpacing(0);
assertEquals(0., r.getCharacterSpacing());
assertFalse(r.getRpR().isSetSpc());
assertFalse(r.getRPr().isSetSpc());
assertEquals(Color.black, r.getFontColor());
r.setFontColor(Color.red);