/**************************************************************
*
* 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.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();
}
}