9241a44f6c
git-svn-id: svn://svn.code.sf.net/p/writer2latex/code/trunk@11 f0f2a975-2e09-46c8-9428-3b39399b9f3c
384 lines
17 KiB
Java
384 lines
17 KiB
Java
/************************************************************************
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*
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* ListStyleConverter.java
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* Copyright: 2002-2008 by Henrik Just
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*
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* All Rights Reserved.
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*
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* Version 1.0 (2008-09-08)
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*
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*/
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package writer2latex.latex;
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import java.util.Hashtable;
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import writer2latex.util.*;
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import writer2latex.office.*;
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import writer2latex.latex.util.BeforeAfter;
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import writer2latex.latex.util.Context;
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/* This class creates LaTeX code from OOo list styles
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*/
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public class ListStyleConverter extends StyleConverter {
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boolean bNeedSaveEnumCounter = false;
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private Hashtable<String, String[]> listStyleLevelNames = new Hashtable<String, String[]>();
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/** <p>Constructs a new <code>ListStyleConverter</code>.</p>
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*/
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public ListStyleConverter(OfficeReader ofr, LaTeXConfig config,
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ConverterPalette palette) {
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super(ofr,config,palette);
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}
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public void appendDeclarations(LaTeXDocumentPortion pack, LaTeXDocumentPortion decl) {
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if (config.formatting()>=LaTeXConfig.CONVERT_MOST || !styleNames.isEmpty()) {
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decl.append("% List styles").nl();
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// May need an extra counter to handle continued numbering in lists
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if (bNeedSaveEnumCounter) {
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decl.append("\\newcounter{saveenum}").nl();
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}
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// If we export formatting, we need some hooks from lists to paragraphs:
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if (config.formatting()>=LaTeXConfig.CONVERT_MOST) {
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decl.append("\\newcommand\\writerlistleftskip{}").nl()
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.append("\\newcommand\\writerlistparindent{}").nl()
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.append("\\newcommand\\writerlistlabel{}").nl()
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.append("\\newcommand\\writerlistremovelabel{")
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.append("\\aftergroup\\let\\aftergroup\\writerlistparindent\\aftergroup\\relax")
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.append("\\aftergroup\\let\\aftergroup\\writerlistlabel\\aftergroup\\relax}").nl();
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}
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super.appendDeclarations(pack,decl);
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}
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}
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/** <p>Apply a list style to an ordered or unordered list.</p> */
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public void applyListStyle(String sStyleName, int nLevel, boolean bOrdered,
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boolean bContinue, BeforeAfter ba) {
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// Step 1. We may have a style map, this always takes precedence
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String sDisplayName = ofr.getListStyles().getDisplayName(sStyleName);
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if (config.getListStyleMap().contains(sDisplayName)) {
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ba.add(config.getListStyleMap().getBefore(sDisplayName),
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config.getListStyleMap().getAfter(sDisplayName));
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return;
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}
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// Step 2: The list style may not exist, or the user wants to ignore it.
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// In this case we create default lists
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ListStyle style = ofr.getListStyle(sStyleName);
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if (style==null || config.formatting()<=LaTeXConfig.IGNORE_MOST) {
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if (nLevel<=4) {
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if (bOrdered) {
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ba.add("\\begin{enumerate}","\\end{enumerate}");
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}
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else {
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ba.add("\\begin{itemize}","\\end{itemize}");
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}
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}
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return;
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}
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// Step 3: Export as default lists, but redefine labels
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if (config.formatting()==LaTeXConfig.CONVERT_BASIC) {
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if (nLevel==1) {
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if (!styleNames.containsName(getDisplayName(sStyleName))) {
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createListStyleLabels(sStyleName);
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}
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ba.add("\\liststyle"+styleNames.getExportName(getDisplayName(sStyleName))+"\n","");
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}
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if (nLevel<=4) {
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String sCounterName = listStyleLevelNames.get(sStyleName)[nLevel];
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if (bContinue && style.isNumber(nLevel)) {
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bNeedSaveEnumCounter = true;
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ba.add("\\setcounter{saveenum}{\\value{"+sCounterName+"}}\n","");
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}
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if (bOrdered) {
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ba.add("\\begin{enumerate}","\\end{enumerate}");
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}
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else {
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ba.add("\\begin{itemize}","\\end{itemize}");
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}
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if (bContinue && style.isNumber(nLevel)) {
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ba.add("\n\\setcounter{"+sCounterName+"}{\\value{saveenum}}","");
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}
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}
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return;
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}
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// Step 4: Export with formatting, as "Writer style" custom lists
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if (nLevel<=4) { // TODO: Max level should not be fixed
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if (!styleNames.containsName(getDisplayName(sStyleName))) {
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createListStyle(sStyleName);
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}
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String sTeXName="list"+styleNames.getExportName(getDisplayName(sStyleName))
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+"level"+Misc.int2roman(nLevel);
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if (!bContinue && style.isNumber(nLevel)) {
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int nStartValue = Misc.getPosInteger(style.getLevelProperty(nLevel,XMLString.TEXT_START_VALUE),1)-1;
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ba.add("\\setcounter{"+sTeXName+"}{"+Integer.toString(nStartValue)+"}\n","");
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}
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ba.add("\\begin{"+sTeXName+"}","\\end{"+sTeXName+"}");
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}
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}
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/** <p>Apply a list style to a list item.</p> */
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public void applyListItemStyle(String sStyleName, int nLevel, boolean bHeader,
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boolean bRestart, int nStartValue, BeforeAfter ba) {
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// Step 1. We may have a style map, this always takes precedence
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String sDisplayName = ofr.getListStyles().getDisplayName(sStyleName);
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if (config.getListItemStyleMap().contains(sDisplayName)) {
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ba.add(config.getListItemStyleMap().getBefore(sDisplayName),
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config.getListItemStyleMap().getAfter(sDisplayName));
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return;
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}
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// Step 2: The list style may not exist, or the user wants to ignore it.
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// In this case we create default lists
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ListStyle style = ofr.getListStyle(sStyleName);
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if (style==null || config.formatting()<=LaTeXConfig.IGNORE_MOST) {
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if (nLevel<=4) {
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if (bHeader) { ba.add("\\item[] ",""); }
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else { ba.add("\\item ",""); }
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}
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return;
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}
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// Step 3: Export as default lists (with redefined labels)
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if (config.formatting()==LaTeXConfig.CONVERT_BASIC) {
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if (nLevel<=4) {
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if (bHeader) {
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ba.add("\\item[] ","");
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}
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else if (bRestart && style.isNumber(nLevel)) {
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ba.add("\n\\setcounter{enum"+Misc.int2roman(nLevel)
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+"}{"+(nStartValue-1)+"}\n\\item ","");
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}
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else {
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ba.add("\\item ","");
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}
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}
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return;
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}
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// Step 4: Export with formatting, as "Writer style" custom lists
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if (nLevel<=4 && !bHeader) { // TODO: Max level should not be fixed
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String sTeXName="list"+styleNames.getExportName(getDisplayName(sStyleName))
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+"level"+Misc.int2roman(nLevel);
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if (bRestart && style.isNumber(nLevel)) {
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ba.add("\\setcounter{"+sTeXName+"}{"+(nStartValue-1)+"}\n","");
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}
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ba.add("\\item ","");
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}
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}
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/** <p>Create labels for default lists (enumerate/itemize) based on
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* a List Style
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*/
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private void createListStyleLabels(String sStyleName) {
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String sTeXName = styleNames.getExportName(getDisplayName(sStyleName));
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declarations.append("\\newcommand\\liststyle")
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.append(sTeXName).append("{%").nl();
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ListStyle style = ofr.getListStyle(sStyleName);
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int nEnum = 0;
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int nItem = 0;
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String sName[] = new String[5];
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for (int i=1; i<=4; i++) {
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if (style.isNumber(i)) { sName[i]="enum"+Misc.int2roman(++nEnum); }
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else { sName[i]="item"+Misc.int2roman(++nItem); }
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}
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listStyleLevelNames.put(sStyleName, sName);
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createLabels(style, sName, 4, false, true, false, declarations);
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declarations.append("}").nl();
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}
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/** <p>Create "Writer style" lists based on a List Style.
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<p>A list in writer is really a sequence of numbered paragraphs, so
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this is also how we implement it in LaTeX.
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The enivronment + redefined \item defines three hooks:
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\writerlistleftskip, \writerlistparindent, \writerlistlabel
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which are used by exported paragraph styles to apply numbering.
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*/
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private void createListStyle(String sStyleName) {
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ListStyle style = ofr.getListStyle(sStyleName);
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// Create labels
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String sTeXName = styleNames.getExportName(getDisplayName(sStyleName));
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String[] sLevelName = new String[5];
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for (int i=1; i<=4; i++) {
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sLevelName[i]="list"+sTeXName+"level"+Misc.int2roman(i);
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}
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createLabels(style,sLevelName,4,true,false,true,declarations);
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// Create environments
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for (int i=1; i<=4; i++) {
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String sSpaceBefore = getLength(style,i,XMLString.TEXT_SPACE_BEFORE);
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String sLabelWidth = getLength(style,i,XMLString.TEXT_MIN_LABEL_WIDTH);
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String sLabelDistance = getLength(style,i,XMLString.TEXT_MIN_LABEL_DISTANCE);
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String sTextAlign = style.getLevelStyleProperty(i,XMLString.FO_TEXT_ALIGN);
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String sAlignmentChar = "l"; // start (or left) is default
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if (sTextAlign!=null) {
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if ("end".equals(sTextAlign)) { sAlignmentChar="r"; }
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else if ("right".equals(sTextAlign)) { sAlignmentChar="r"; }
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else if ("center".equals(sTextAlign)) { sAlignmentChar="c"; }
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}
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declarations
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.append("\\newenvironment{")
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.append(sLevelName[i]).append("}{")
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.append("\\def\\writerlistleftskip{\\addtolength\\leftskip{")
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.append(Misc.add(sSpaceBefore,sLabelWidth)).append("}}")
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.append("\\def\\writerlistparindent{}")
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.append("\\def\\writerlistlabel{}");
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// Redefine \item
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declarations
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.append("\\def\\item{")
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.append("\\def\\writerlistparindent{\\setlength\\parindent{")
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.append("-").append(sLabelWidth).append("}}")
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.append("\\def\\writerlistlabel{");
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if (style.isNumber(i)) {
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declarations.append("\\stepcounter{")
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.append(sLevelName[i]).append("}");
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}
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declarations
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.append("\\makebox[").append(sLabelWidth).append("][")
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.append(sAlignmentChar).append("]{")
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.append("\\label").append(sLevelName[i]).append("}")
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.append("\\hspace{").append(sLabelDistance).append("}")
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.append("\\writerlistremovelabel}}}{}").nl();
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}
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}
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/** <p>Create LaTeX list labels from an OOo list style. Examples:</p>
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* <p>Bullets:</p>
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* <pre>\newcommand\labelliststylei{\textbullet}
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* \newcommand\labelliststyleii{*}
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* \newcommand\labelliststyleiii{\textstylebullet{>}}</pre>
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* <p>Numbering:</p>
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* <pre>\newcounter{liststylei}
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* \newcounter{liststyleii}[liststylei]
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* \newcounter{liststyleiii}[liststyleii]
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* \renewcommand\theliststylei{\Roman{liststylei}}
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* \renewcommand\theliststyleii{\Roman{liststylei}.\arabic{liststyleii}}
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* \renewcommand\theliststyleiii{\alph{liststyleiii}}
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* \newcommand\labelliststylei{\textstylelabel{\theliststylei .}}
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* \newcommand\labelliststyleii{\textstylelabel{\theliststyleii .}}
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* \newcommand\labelliststyleiii{\textstylelabel{\theliststyleiii )}}</pre>
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*
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* @param <code>style</code> the OOo list style to use
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* @param <code>sName</code> an array of label basenames to use
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* @param <code>nMaxLevel</code> the highest level in this numbering
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* @param <code>bDeclareCounters</code> true if counters should be declared (they may
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* exist already, eg. "section", "subsection"... or "enumi", "enumii"...
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* @param <code>bRenewLabels</code> true if labels should be defined with \renewcommand
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* @param <code>bUseTextStyle</code> true if labels should be formatted with the associated text style
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* (rather than \newcommand).
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* @param <code>ldp</code> the <code>LaTeXDocumentPortion</code> to add LaTeX code to.
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*/
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private void createLabels(ListStyle style, String[] sName, int nMaxLevel,
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boolean bDeclareCounters, boolean bRenewLabels,
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boolean bUseTextStyle, LaTeXDocumentPortion ldp) {
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// Declare counters if required (eg. "\newcounter{countername1}[countername2]")
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if (bDeclareCounters) {
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int j = 0;
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for (int i=1; i<=nMaxLevel; i++) {
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if (style.isNumber(i)) {
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ldp.append("\\newcounter{").append(sName[i]).append("}");
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if (j>0) { ldp.append("[").append(sName[j]).append("]"); }
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ldp.nl();
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j = i;
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}
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}
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}
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// Create numbering for each level (eg. "\arabic{countername}")
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String[] sNumFormat = new String[nMaxLevel+1];
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for (int i=1; i<=nMaxLevel; i++) {
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String s = numFormat(style.getLevelProperty(i,XMLString.STYLE_NUM_FORMAT));
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if (s==null) { sNumFormat[i]=""; }
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else { sNumFormat[i] = s + "{" + sName[i] + "}"; }
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}
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// Create numberings (ie. define "\thecountername"):
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for (int i=1; i<=nMaxLevel; i++) {
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if (style.isNumber(i)) {
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ldp.append("\\renewcommand\\the").append(sName[i]).append("{");
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int nLevels = Misc.getPosInteger(style.getLevelProperty(i,XMLString.TEXT_DISPLAY_LEVELS),1);
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for (int j=i-nLevels+1; j<i; j++) {
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if (style.isNumber(j)) {
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ldp.append(sNumFormat[j]).append(".");
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}
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}
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ldp.append(sNumFormat[i]);
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ldp.append("}").nl();
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}
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}
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// Create labels (ie. define "\labelcountername"):
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for (int i=1; i<=nMaxLevel; i++) {
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ldp.append(bRenewLabels ? "\\renewcommand" : "\\newcommand")
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.append("\\label").append(sName[i]).append("{");
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// Apply text style if required
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BeforeAfter baText = new BeforeAfter();
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if (bUseTextStyle) {
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String sStyleName = style.getLevelProperty(i,XMLString.TEXT_STYLE_NAME);
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palette.getCharSc().applyTextStyle(sStyleName,baText,new Context());
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}
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// Create label content
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if (style.isNumber(i)) {
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String sPrefix = style.getLevelProperty(i,XMLString.STYLE_NUM_PREFIX);
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String sSuffix = style.getLevelProperty(i,XMLString.STYLE_NUM_SUFFIX);
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// Apply style
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ldp.append(baText.getBefore());
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if (sPrefix!=null) { ldp.append(sPrefix); }
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ldp.append("\\the").append(sName[i]);
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if (sSuffix!=null) { ldp.append(sSuffix); }
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ldp.append(baText.getAfter());
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}
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else if (style.isBullet(i)) {
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String sBullet = style.getLevelProperty(i,XMLString.TEXT_BULLET_CHAR);
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// Apply style
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ldp.append(baText.getBefore());
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if (sBullet!=null) {
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// Bullets are usually symbols, so this should be OK:
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ldp.append(palette.getI18n().convert(sBullet,false,"en"));
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}
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ldp.append(baText.getAfter());
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}
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else {
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// TODO: Support images!
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ldp.append("\\textbullet");
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}
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ldp.append("}").nl();
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}
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}
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/* Helper: Get a length property that defaults to 0cm. */
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private String getLength(ListStyle style,int nLevel,String sProperty) {
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String s = style.getLevelStyleProperty(nLevel,sProperty);
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if (s==null) { return "0cm"; }
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else { return s; }
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}
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/* Helper: Get display name, or original name if it doesn't exist */
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private String getDisplayName(String sName) {
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String sDisplayName = ofr.getListStyles().getDisplayName(sName);
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return sDisplayName!=null ? sDisplayName : sName;
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}
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/* Helper: Convert OOo number format to LaTeX number format */
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public static final String numFormat(String sFormat){
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if ("1".equals(sFormat)) { return "\\arabic"; }
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else if ("i".equals(sFormat)) { return "\\roman"; }
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else if ("I".equals(sFormat)) { return "\\Roman"; }
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else if ("a".equals(sFormat)) { return "\\alph"; }
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else if ("A".equals(sFormat)) { return "\\Alph"; }
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else { return null; }
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}
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}
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