54a7c265f2
git-svn-id: svn://svn.code.sf.net/p/writer2latex/code/trunk@61 f0f2a975-2e09-46c8-9428-3b39399b9f3c
210 lines
8.6 KiB
Java
210 lines
8.6 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: 2002-2010 by Henrik Just
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*
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* All Rights Reserved.
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*
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* Version 1.2 (2010-05-04)
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*
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*/
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package writer2latex.xhtml;
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import java.util.Enumeration;
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//import java.util.Hashtable;
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import writer2latex.office.ListStyle;
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import writer2latex.office.OfficeReader;
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import writer2latex.office.OfficeStyleFamily;
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import writer2latex.office.XMLString;
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import writer2latex.util.CSVList;
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/**
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* This class converts OpenDocument list styles to
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* CSS2 styles (currently, actually CSS1).
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*/
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public class ListStyleConverter extends StyleConverterHelper {
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/** Create a new <code>ListStyleConverter</code>
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* @param ofr an <code>OfficeReader</code> to read style information from
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* @param config the configuration to use
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* @param converter the main <code>Converter</code> class
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* @param nType the type of xhtml to use
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*/
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public ListStyleConverter(OfficeReader ofr, XhtmlConfig config, Converter converter, int nType) {
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super(ofr,config,converter,nType);
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this.styleMap = config.getXListStyleMap();
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this.bConvertStyles = config.xhtmlFormatting()==XhtmlConfig.CONVERT_ALL || config.xhtmlFormatting()==XhtmlConfig.IGNORE_HARD;
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this.bConvertHard = config.xhtmlFormatting()==XhtmlConfig.CONVERT_ALL || config.xhtmlFormatting()==XhtmlConfig.IGNORE_STYLES;
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}
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public void applyStyle(int nLevel, String sStyleName, StyleInfo info) {
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ListStyle style = ofr.getListStyle(sStyleName);
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if (style!=null) {
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if (style.isAutomatic()) {
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applyStyle(nLevel,style.getParentName(),info);
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if (bConvertHard) { cssList(style,nLevel,info.props); }
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}
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else {
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String sDisplayName = style.getDisplayName();
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if (styleMap.contains(sDisplayName)) {
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info.sTagName = styleMap.getElement(sDisplayName);
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if (!"(none)".equals(styleMap.getCss(sDisplayName))) {
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info.sClass = styleMap.getCss(sDisplayName);
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}
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}
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else {
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info.sClass = "listlevel"+Integer.toString(nLevel)
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+styleNames.getExportName(sDisplayName);
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}
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}
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}
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}
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/** <p>Convert style information for used styles</p>
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* @param sIndent a String of spaces to add before each line
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*/
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public String getStyleDeclarations(String sIndent) {
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if (bConvertStyles) {
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StringBuffer buf = new StringBuffer();
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Enumeration<String> names = styleNames.keys();
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while (names.hasMoreElements()) {
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String sDisplayName = names.nextElement();
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ListStyle style = (ListStyle)
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getStyles().getStyleByDisplayName(sDisplayName);
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if (!style.isAutomatic()) {
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for (int nLevel=1; nLevel<10; nLevel++) {
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CSVList props = new CSVList(";");
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cssList(style,nLevel,props);
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buf.append(sIndent);
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buf.append(".listlevel");
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buf.append(nLevel);
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buf.append(styleNames.getExportName(sDisplayName));
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buf.append(" {");
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buf.append(props.toString());
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buf.append("}");
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buf.append(config.prettyPrint() ? "\n" : " ");
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if (config.useHardListNumbering()) {
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// Apply left margin and text indent to the paragraphs contained in the list
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CSVList parProps = new CSVList(";");
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cssListParMargins(style,nLevel,parProps);
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if (!parProps.isEmpty()) {
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buf.append(sIndent)
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.append(".listlevel")
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.append(nLevel)
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.append(styleNames.getExportName(sDisplayName))
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.append(" p {").append(parProps.toString()).append("}").append(config.prettyPrint() ? "\n" : " ");
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}
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}
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}
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}
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}
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return buf.toString();
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}
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else {
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return "";
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}
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}
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/** Get the family of list styles
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* @return the style family
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*/
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public OfficeStyleFamily getStyles() {
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return ofr.getListStyles();
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}
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private void cssList(ListStyle style, int nLevel, CSVList props){
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// translates "list" style properties for a particular level
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// Mozilla does not seem to support the "marker" mechanism of CSS2
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// so we will stick with the simpler CSS1-like list style properties
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props.addValue("margin-top","0");
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props.addValue("margin-bottom","0");
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if (!config.useHardListNumbering()) {
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// Export the numbering to CSS1
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String sLevelType = style.getLevelType(nLevel);
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if (XMLString.TEXT_LIST_LEVEL_STYLE_NUMBER.equals(sLevelType)) {
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// Numbering style, get number format
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String sNumFormat = style.getLevelProperty(nLevel,XMLString.STYLE_NUM_FORMAT);
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if ("1".equals(sNumFormat)) { props.addValue("list-style-type","decimal"); }
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else if ("i".equals(sNumFormat)) { props.addValue("list-style-type","lower-roman"); }
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else if ("I".equals(sNumFormat)) { props.addValue("list-style-type","upper-roman"); }
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else if ("a".equals(sNumFormat)) { props.addValue("list-style-type","lower-alpha"); }
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else if ("A".equals(sNumFormat)) { props.addValue("list-style-type","upper-alpha"); }
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}
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else if (XMLString.TEXT_LIST_LEVEL_STYLE_BULLET.equals(sLevelType)) {
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// Bullet. We can only choose from disc, bullet and square
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switch (nLevel % 3) {
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case 1: props.addValue("list-style-type","disc"); break;
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case 2: props.addValue("list-style-type","bullet"); break;
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case 0: props.addValue("list-style-type","square"); break;
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}
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}
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else if (XMLString.TEXT_LIST_LEVEL_STYLE_IMAGE.equals(sLevelType)) {
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// Image. TODO: Handle embedded images
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String sHref = style.getLevelProperty(nLevel,XMLString.XLINK_HREF);
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if (sHref!=null) { props.addValue("list-style-image","url('"+sHref+"')"); }
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}
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}
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else {
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// No numbering generated by the list; we add hard numbering to the paragraph
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props.addValue("list-style-type:none");
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// In this case we also set the left margin for the list
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// For real styles the margins are applied to the paragraphs
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// This is more tricky for hard styles, so we use a default left margin on the list
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if (style.isAutomatic() && nLevel>1) {
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props.addValue("margin-left", "2em");
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}
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else {
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props.addValue("margin-left","0");
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}
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// Also reset the padding (some browsers use a non-zero default value)
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props.addValue("padding-left", "0");
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}
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// We don't want floats to pass a list to the left (Mozilla and IE both
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//handles this terribly!)
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props.addValue("clear:left");
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}
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private void cssListParMargins(ListStyle style, int nLevel, CSVList props){
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// Instead margin is applied to the paragraphs in the list, more precisely the list style defines a
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// left margin and a text indent to *replace* the values from the paragraph style
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String sMarginLeft = style.getLevelStyleProperty(nLevel, XMLString.FO_MARGIN_LEFT);
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if (sMarginLeft!=null) {
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props.addValue("margin-left", sMarginLeft);
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}
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else {
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props.addValue("margin-left", "0");
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}
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String sTextIndent = style.getLevelStyleProperty(nLevel, XMLString.FO_TEXT_INDENT);
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if (sTextIndent!=null) {
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props.addValue("text-indent", sTextIndent);
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}
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else {
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props.addValue("text-indent", "0");
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}
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}
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}
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