Initial import

git-svn-id: svn://svn.code.sf.net/p/writer2latex/code/trunk@5 f0f2a975-2e09-46c8-9428-3b39399b9f3c

source/java/writer2latex/xhtml/StyleConverterHelper.java

@@ -0,0 +1,121 @@
+/************************************************************************
+ *
+ *  StyleConverterHelper.java
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License version 2.1, as published by the Free Software Foundation.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ *  MA  02111-1307  USA
+ *
+ *  Copyright: 2002-2008 by Henrik Just
+ *
+ *  All Rights Reserved.
+ * 
+ *  Version 1.0 (2008-09-08)
+ *
+ */
+
+package writer2latex.xhtml;
+
+import writer2latex.office.OfficeReader;
+import writer2latex.office.OfficeStyleFamily;
+import writer2latex.office.StyleWithProperties;
+import writer2latex.office.XMLString;
+import writer2latex.util.ExportNameCollection;
+import writer2latex.util.Misc;
+
+/**
+ * <p>This is an abstract base class to convert an OpenDocument style family to
+ * CSS2 styles.</p>
+ */
+public abstract class StyleConverterHelper extends ConverterHelper {
+
+    // Translation of OpenDocument style names to CSS class names
+    protected ExportNameCollection styleNames = new ExportNameCollection(true);
+	
+    // Style map to use
+    protected XhtmlStyleMap styleMap;
+
+    // Should we convert styles resp. hard formatting?
+    protected boolean bConvertStyles = true;
+    protected boolean bConvertHard = true;
+	
+    // The type of xhtml document
+    protected int nType;
+	
+    // Scaling and unit transformation to use
+    private String sScale;
+    private String sColScale;
+    private boolean bConvertToPx;
+	
+    /** Create a new <code>StyleConverterHelper</code>
+     *  @param ofr an <code>OfficeReader</code> to read style information from
+     *  @param config the configuration to use
+     *  @param converter the main <code>Converter</code> class
+     *  @param nType the type of xhtml to use
+     */
+    public StyleConverterHelper(OfficeReader ofr, XhtmlConfig config, Converter converter, int nType) {
+        super(ofr,config,converter);
+        this.nType = nType;
+        sScale = config.getXhtmlScaling();
+        sColScale = config.getXhtmlColumnScaling();
+        bConvertToPx = config.xhtmlConvertToPx();
+    }
+
+    protected String scale(String s) {
+        if (bConvertToPx) {
+            return Misc.length2px(Misc.multiply(sScale,s));
+        }
+        else {
+            return Misc.multiply(sScale,s);
+        }
+    }
+	
+    protected String colScale(String s) {
+        return scale(Misc.multiply(sColScale,s));
+    }
+	
+    /** Apply the writing direction (ltr or rtl) attribute from a style
+     *  @param style the OpenDocument style to use
+     *  @param info the <code>StyleInfo</code> object to add information to
+     */
+    protected static void applyDirection(StyleWithProperties style, StyleInfo info) {
+        String sDir = style.getProperty(XMLString.STYLE_WRITING_MODE);
+        if ("lr-tb".equals(sDir)) { info.sDir="ltr"; }
+        else if ("rl-tb".equals(sDir)) { info.sDir="rtl"; }
+    }
+
+    /** Apply language+country from a style
+     *  @param style the OpenDocument style to use
+     *  @param info the <code>StyleInfo</code> object to add information to
+     */
+    protected static void applyLang(StyleWithProperties style, StyleInfo info) {
+        String sLang = style.getProperty(XMLString.FO_LANGUAGE);
+        String sCountry = style.getProperty(XMLString.FO_COUNTRY);
+        if (sLang!=null) {
+            if (sCountry==null) { info.sLang = sLang; }
+            else { info.sLang = sLang+"-"+sCountry; }
+        }
+    }
+
+    /** Get the OpenDocument style family associated with this
+     *  StyleConverterHelper
+     *  @return the style family
+     */
+    public abstract OfficeStyleFamily getStyles();
+
+    /** <p>Convert style information for used styles</p>
+     *  @param sIndent a String of spaces to add before each line
+     */
+    public abstract String getStyleDeclarations(String sIndent);	
+
+}