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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: ParagraphTextSegment.java,v $
* $Revision: 1.4 $
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org 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 version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
package org.openoffice.xmerge.converter.xml.sxw.pocketword;
import org.openoffice.xmerge.converter.xml.TextStyle;
import org.openoffice.xmerge.util.EndianConverter;
import org.openoffice.xmerge.util.ColourConverter;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
/**
* This class represents a portion of text with a particular formatting style.
* The style may differ from the default style of the paragraph of which it
* is part.
*
* @author Mark Murnane
* @version 1.1
*/
class ParagraphTextSegment implements PocketWordConstants {
private String pText;
private TextStyle pStyle;
/**
* <p>Initialise a new <code>ParagraphTextSegment</p>.
* <p>Both parameters may be <code>null</code>.</p>
*
* @param data The text of this segment.
* @param style The style describing this segment.
*/
public ParagraphTextSegment (String data, TextStyle style) {
pText = data;
pStyle = style;
}
/**
* <p>Sets the text for this segment.</p>
*
* @param data The text of this segment.
*/
public void setText (String data) {
pText = data;
}
/**
* <p>Gets the text for this segment.</p>
*
* @return The text of this segment.
*/
public String getText () {
return pText;
}
/**
* <p>Sets the style for this segment.</p>
*
* @param data The style describing this segment.
*/
public void setStyle (TextStyle style) {
pStyle = style;
}
/**
* <p>Gets the style for this segment.</p>
*
* @return The style describing this segment.
*/
public TextStyle getStyle () {
return pStyle;
}
/**
* <p>Returns the string data for this text segment wrapped with the
* appropriate byte codes for the formatting settings used.</p>
*
* @return <code>byte</code> array containing formatted text in Pocket Word
* format.
*/
public byte[] getData () {
ByteArrayOutputStream data = new ByteArrayOutputStream();
boolean colourSet = false;
boolean boldSet = false;
boolean italicSet = false;
boolean underlineSet = false;
boolean strikeSet = false;
boolean highlightSet = false;
// TODO: Font changes need to be worked out here
try {
if (pStyle != null) {
if (pStyle.getFontColor() != null) {
ColourConverter cc = new ColourConverter();
short colourCode = cc.convertFromRGB(pStyle.getFontColor());
if (colourCode != 0) { // not black
data.write(COLOUR_TAG);
data.write(EndianConverter.writeShort(colourCode));
colourSet = true;
}
}
if (pStyle.isSet(TextStyle.BOLD) && pStyle.getAttribute(TextStyle.BOLD)) {
data.write(new byte[] { FONT_WEIGHT_TAG, FONT_WEIGHT_BOLD, 0x00 } );
boldSet = true;
}
if (pStyle.isSet(TextStyle.ITALIC) && pStyle.getAttribute(TextStyle.ITALIC)) {
data.write(new byte[] { ITALIC_TAG, 0x01 } );
italicSet = true;
}
if (pStyle.isSet(TextStyle.UNDERLINE) && pStyle.getAttribute(TextStyle.UNDERLINE)) {
data.write(new byte[] { UNDERLINE_TAG, 0x01 } );
underlineSet = true;
}
if (pStyle.isSet(TextStyle.STRIKETHRU) && pStyle.getAttribute(TextStyle.STRIKETHRU)) {
data.write(new byte[] { STRIKETHROUGH_TAG, 0x01 } );
strikeSet = true;
}
if (pStyle.getBackgroundColor() != null) {
data.write(new byte[] { HIGHLIGHT_TAG, 0x01 } );
highlightSet = true;
}
}
// Now write out the data
if (!pText.equals("\t")) {
data.write(pText.getBytes());
}
else {
/*
* Tabs are a special case. They are represented by Pocket Word
* as the LE sequence 0xC4 0x04.
*/
data.write(new byte[] { (byte)0xC4, 0x04 } );
}
// Now close out any of the settings changes
if (colourSet) {
/*
* Colours may change without changing back to black, but
* without knowing what the previous colour was, the only
* way to ensure correct conversion is to restore to black and
* let the next segment change the colour again.
*/
data.write(new byte[] { COLOUR_TAG, 0x00, 0x00 } );
}
if (boldSet) {
data.write(new byte[] { FONT_WEIGHT_TAG, FONT_WEIGHT_NORMAL, 0x00 } );
}
if (italicSet) {
data.write(new byte[] { ITALIC_TAG, 0x00 } );
}
if (underlineSet) {
data.write(new byte[] { UNDERLINE_TAG, 0x00 } );
}
if (strikeSet) {
data.write(new byte[] { STRIKETHROUGH_TAG, 0x00 } );
}
if (highlightSet) {
data.write(new byte[] { HIGHLIGHT_TAG, 0x00 } );
}
}
catch (IOException ioe) {
// Should never occur in a memory based stream
}
return data.toByteArray();
}
}
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