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/**
* Copyright (C) 2011-2015 The XDocReport Team
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package fr.opensagres.odfdom.converter.pdf.internal.stylable;
import java.util.ArrayList;
import java.util.Map;
import com.lowagie.text.Chunk;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.Image;
import com.lowagie.text.List;
import com.lowagie.text.Phrase;
import com.lowagie.text.factories.RomanAlphabetFactory;
import com.lowagie.text.factories.RomanNumberFactory;
import fr.opensagres.odfdom.converter.pdf.internal.styles.Style;
import fr.opensagres.odfdom.converter.pdf.internal.styles.StyleLineHeight;
import fr.opensagres.odfdom.converter.pdf.internal.styles.StyleListProperties;
import fr.opensagres.odfdom.converter.pdf.internal.styles.StyleNumFormat;
import fr.opensagres.odfdom.converter.pdf.internal.styles.StyleParagraphProperties;
import fr.opensagres.odfdom.converter.pdf.internal.styles.StyleTextProperties;
/**
* fixes for pdf conversion by Leszek Piotrowicz
*/
public class StylableList
extends List
implements IStylableContainer
{
private IStylableContainer parent;
private int listLevel;
private boolean romanNumbered = false;
private Style lastStyleApplied = null;
public StylableList( StylableDocument ownerDocument, IStylableContainer parent, int listLevel )
{
this.parent = parent;
this.listLevel = listLevel;
// set defaults
super.setNumbered( false );
super.setLettered( false );
super.setLowercase( false );
super.setPreSymbol( "" );
super.setPostSymbol( "" );
super.setListSymbol( "" );
super.setAutoindent( false );
}
public int getIndex()
{
return first + list.size();
}
public void setFirst( int first )
{
this.first = first;
}
public void addElement( Element element )
{
if ( element instanceof StylableListItem )
{
StylableListItem li = (StylableListItem) element;
boolean first = true;
for ( Element e : li.getElements() )
{
addElement( e, first );
first = false;
}
}
}
@SuppressWarnings( "unchecked" )
private void addElement( Element element, boolean addLabel )
{
if ( element instanceof Chunk )
{
// may it happen?
Chunk ch = (Chunk) element;
StylableParagraph p = new StylableParagraph( null, null );
p.setFont( ch.getFont() );
p.addElement( ch );
element = p.getElement();
}
if ( element instanceof Phrase )
{
Phrase p = (Phrase) element;
StylableListItem li = new StylableListItem( p );
// determine font, it may be set explicitly or use paragraph font
Font symbolFont = symbol.getFont();
if ( symbolFont.isStandardFont() )
{
ArrayList chunks = p.getChunks();
for ( Chunk chunk : chunks )
{
// use first specified font
if ( !chunk.getFont().isStandardFont() )
{
symbolFont = chunk.getFont();
break;
}
}
if ( symbolFont.isStandardFont() )
{
// use paragraph font
symbolFont = p.getFont();
}
}
// determine line height
float lineHeight = StylableParagraph.DEFAULT_LINE_HEIGHT;
boolean lineHeightProportional = true;
if ( element instanceof IStylableElement )
{
IStylableElement stylableElement = (IStylableElement) element;
Style style = stylableElement.getLastStyleApplied();
if ( style != null )
{
StyleParagraphProperties paragraphProperties = style.getParagraphProperties();
StyleLineHeight lineHeightObj = paragraphProperties.getLineHeight();
if ( lineHeightObj != null && lineHeightObj.getLineHeight() != null )
{
lineHeight = lineHeightObj.getLineHeight();
lineHeightProportional = lineHeightObj.isLineHeightProportional();
}
}
}
if ( addLabel )
{
if ( numbered || lettered || romanNumbered )
{
StringBuilder sbuf = new StringBuilder( preSymbol );
int index = first + list.size();
if ( lettered )
{
sbuf.append( RomanAlphabetFactory.getString( index, lowercase ) );
}
else if ( romanNumbered )
{
sbuf.append( RomanNumberFactory.getString( index, lowercase ) );
}
else
{
sbuf.append( index );
}
sbuf.append( postSymbol );
li.setListSymbol( sbuf.toString(), symbolFont, lineHeight, lineHeightProportional );
}
else
{
li.setListSymbol( symbol.getContent(), symbolFont, lineHeight, lineHeightProportional );
}
}
else
{
li.setListSymbol( "", symbolFont, lineHeight, lineHeightProportional );
}
li.setIndentationLeft( symbolIndent );
li.setIndentationRight( 0.0f );
list.add( li );
}
else if ( element instanceof List )
{
List l = (List) element;
// open office specifies absolute list indentation
// but iText computes indentation relative to parent list
// so we have to set difference
l.setIndentationLeft( l.getIndentationLeft() - this.getIndentationLeft() );
first--;
list.add( l );
}
}
public static StyleListProperties getListProperties( Map listPropertiesMap, int level )
{
StyleListProperties listProperties = null;
for ( int i = level; i >= 0 && listProperties == null; i-- )
{
// find style for current or nearest lower list level
listProperties = listPropertiesMap.get( i );
}
return listProperties;
}
public void applyStyles( Style style )
{
this.lastStyleApplied = style;
Map listPropertiesMap = style.getListPropertiesMap();
if ( listPropertiesMap != null )
{
StyleListProperties listProperties = getListProperties( listPropertiesMap, listLevel );
if ( listProperties != null )
{
String bulletChar = listProperties.getBulletChar();
if ( bulletChar != null )
{
// list item label is a char
Chunk symbol = new Chunk( bulletChar );
StyleTextProperties textProperties = listProperties.getTextProperties();
if ( textProperties != null )
{
Font font = textProperties.getFont();
if ( font != null )
{
symbol.setFont( font );
}
}
super.setListSymbol( symbol );
}
Image image = listProperties.getImage();
if ( image != null )
{
// list item label is an image
Float width = listProperties.getWidth();
if ( width != null )
{
image.scaleAbsoluteWidth( width );
}
Float height = listProperties.getHeight();
if ( height != null )
{
image.scaleAbsoluteHeight( height );
}
super.setListSymbol( new Chunk( image, 0.0f, 0.0f ) );
}
if ( bulletChar == null && image == null )
{
// list item label is a number
Chunk symbol = new Chunk( "" );
StyleTextProperties textProperties = listProperties.getTextProperties();
if ( textProperties != null )
{
Font font = textProperties.getFont();
if ( font != null )
{
symbol.setFont( font );
}
}
Integer startValue = listProperties.getStartValue();
if ( startValue != null )
{
super.setFirst( startValue );
}
StyleNumFormat numFormat = listProperties.getNumFormat();
if ( numFormat != null )
{
String numPrefix = listProperties.getNumPrefix();
if ( numPrefix != null )
{
super.setPreSymbol( numPrefix );
symbol = new Chunk( numPrefix, symbol.getFont() );
}
String numSuffix = listProperties.getNumSuffix();
if ( numSuffix != null )
{
super.setPostSymbol( numSuffix );
symbol.append( numSuffix );
}
super.setNumbered( true );
super.setLettered( numFormat.isAlphabetical() );
this.romanNumbered = numFormat.isRoman();
super.setLowercase( numFormat.isLowercase() );
}
super.setListSymbol( symbol );
}
// set indentation, it is specified in different way by Open Office and MsWord
Float marginLeft = listProperties.getMarginLeft();
Float textIndent = listProperties.getTextIndent();
Float spaceBefore = listProperties.getSpaceBefore();
Float minLabelWidth = listProperties.getMinLabelWidth();
if ( marginLeft != null && textIndent != null )
{
// ODT generated by Open Office
super.setIndentationLeft( Math.max( marginLeft + textIndent, 0.0f ) );
super.setSymbolIndent( Math.max( -textIndent, 0.0f ) );
}
else if ( spaceBefore != null && minLabelWidth != null )
{
// ODT generated by MsWord
super.setIndentationLeft( Math.max( spaceBefore, 0.0f ) );
super.setSymbolIndent( Math.max( minLabelWidth, 0.0f ) );
}
}
}
}
public Style getLastStyleApplied()
{
return lastStyleApplied;
}
public IStylableContainer getParent()
{
return parent;
}
public Element getElement()
{
return this;
}
}
