fr.opensagres.xdocreport.itext.extension.ExtendedPdfPTable Maven / Gradle / Ivy
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The Apache Commons Codec package contains simple encoder and decoders for
various formats such as Base64 and Hexadecimal. In addition to these
widely used encoders and decoders, the codec package also maintains a
collection of phonetic encoding utilities.
/**
* 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.xdocreport.itext.extension;
import com.lowagie.text.Element;
import com.lowagie.text.Image;
import com.lowagie.text.Phrase;
import com.lowagie.text.Table;
import com.lowagie.text.pdf.PdfPCell;
import com.lowagie.text.pdf.PdfPRow;
import com.lowagie.text.pdf.PdfPTable;
public class ExtendedPdfPTable
extends PdfPTable
implements IITextContainer
{
private IITextContainer container;
private boolean empty;
private PdfPCell wrapperCell;
private PdfPTable wrapperTable;
public ExtendedPdfPTable( int numColumns )
{
super( numColumns );
super.setSpacingBefore( 0f );
this.empty = true;
super.setLockedWidth( true );
super.setHorizontalAlignment( Element.ALIGN_LEFT );
}
public void addElement( Element element )
{
if ( element instanceof PdfPCell )
{
addCell( (PdfPCell) element );
}
}
public IITextContainer getITextContainer()
{
return container;
}
public void setITextContainer( IITextContainer container )
{
this.container = container;
}
public float getRowHeight( int idx )
{
return getRowHeight( idx, false );
}
/**
* Gets the height of a particular row.
*
* @param idx the row index (starts at 0)
* @param firsttime is this the first time the row heigh is calculated?
* @return the height of a particular row
* @since 3.0.0
*/
public float getRowHeight( int idx, boolean firsttime )
{
if ( totalWidth <= 0 || idx < 0 || idx >= rows.size() )
return 0;
PdfPRow row = (PdfPRow) rows.get( idx );
if ( row == null )
return 0;
if ( firsttime )
row.setWidths( absoluteWidths );
float height = row.getMaxHeights();
PdfPCell cell;
PdfPRow tmprow;
for ( int i = 0; i < relativeWidths.length; i++ )
{
if ( !rowSpanAbove( idx, i ) )
continue;
int rs = 1;
while ( rowSpanAbove( idx - rs, i ) )
{
rs++;
}
tmprow = (PdfPRow) rows.get( idx - rs );
cell = tmprow.getCells()[i];
float tmp = 0;
// AZERR patch : sometimes cell is null????
// LP : cell may be null if colspan/rowspan occurs
// create a dummy cell to avoid NullPointerException
if ( cell == null )
{
cell = new PdfPCell();
tmprow.getCells()[i] = cell;
}
if ( cell.getRowspan() == rs + 1 )
{
tmp = cell.getMaxHeight();
while ( rs > 0 )
{
tmp -= getRowHeight( idx - rs );
rs--;
}
}
if ( tmp > height )
height = tmp;
}
row.setMaxHeights( height );
return height;
}
/**
* Checks if there are rows above belonging to a rowspan.
*
* @param currRow the current row to check
* @param currCol the current column to check
* @return true if there's a cell above that belongs to a rowspan
* @since 2.1.6
*/
@SuppressWarnings( "all" )
boolean rowSpanAbove( int currRow, int currCol )
{
if ( ( currCol >= getNumberOfColumns() ) || ( currCol < 0 ) || ( currRow == 0 ) )
return false;
int row = currRow - 1;
PdfPRow aboveRow = (PdfPRow) rows.get( row );
if ( aboveRow == null )
return false;
PdfPCell aboveCell = (PdfPCell) aboveRow.getCells()[currCol];
while ( ( aboveCell == null ) && ( row > 0 ) )
{
aboveRow = (PdfPRow) rows.get( --row );
if ( aboveRow == null )
return false;
aboveCell = (PdfPCell) aboveRow.getCells()[currCol];
}
int distance = currRow - row;
if ( aboveCell == null )
{
int col = currCol - 1;
aboveCell = (PdfPCell) aboveRow.getCells()[col];
while ( ( aboveCell == null ) && ( row > 0 ) )
aboveCell = (PdfPCell) aboveRow.getCells()[--col];
return aboveCell != null && aboveCell.getRowspan() > distance;
}
if ( ( aboveCell.getRowspan() == 1 ) && ( distance > 1 ) )
{
int col = currCol - 1;
aboveRow = (PdfPRow) rows.get( row + 1 );
distance--;
aboveCell = (PdfPCell) aboveRow.getCells()[col];
while ( ( aboveCell == null ) && ( col > 0 ) )
aboveCell = (PdfPCell) aboveRow.getCells()[--col];
}
return aboveCell != null && aboveCell.getRowspan() > distance;
}
@Override
public void addCell( Image image )
{
this.empty = false;
super.addCell( image );
}
@Override
public void addCell( PdfPCell cell )
{
this.empty = false;
super.addCell( cell );
}
@Override
public void addCell( PdfPTable table )
{
this.empty = false;
super.addCell( table );
}
@Override
public void addCell( Phrase phrase )
{
this.empty = false;
super.addCell( phrase );
}
@Override
public void addCell( String text )
{
this.empty = false;
super.addCell( text );
}
public boolean isEmpty()
{
return empty;
}
/**
* Sets the padding of the contents in the cell (space between content and border).
*
* @param padding
*/
public void setPadding( float padding )
{
getWrapperCell().setPadding( padding );
}
/**
* Setter for property paddingLeft.
*
* @param paddingLeft New value of property paddingLeft.
*/
public void setPaddingLeft( float paddingLeft )
{
getWrapperCell().setPaddingLeft( paddingLeft );
}
/**
* Setter for property paddingRight.
*
* @param paddingRight New value of property paddingRight.
*/
public void setPaddingRight( float paddingRight )
{
getWrapperCell().setPaddingRight( paddingRight );
}
/**
* Setter for property paddingBottom.
*
* @param paddingBottom New value of property paddingBottom.
*/
public void setPaddingBottom( float paddingBottom )
{
getWrapperCell().setPaddingBottom( paddingBottom );
}
/**
* Setter for property paddingTop.
*
* @param paddingTop New value of property paddingTop.
*/
public void setPaddingTop( float paddingTop )
{
getWrapperCell().setPaddingTop( paddingTop );
}
private PdfPCell createCell()
{
PdfPCell cell = new PdfPCell();
cell.setBorder( Table.NO_BORDER );
cell.setPadding( 0.0f );
cell.setUseBorderPadding( true );
return cell;
}
private PdfPTable createTable( PdfPCell cell )
{
PdfPTable table = new PdfPTable( 1 );
table.setSpacingBefore( this.spacingBefore() );
table.setSpacingAfter( this.spacingAfter() );
table.setHorizontalAlignment( this.getHorizontalAlignment() );
table.setTotalWidth( cell.getPaddingLeft() + this.getTotalWidth() + cell.getPaddingRight() );
table.setLockedWidth( true );
table.setSplitLate( false );
table.addCell( cell );
return table;
}
private PdfPCell getWrapperCell()
{
if ( wrapperCell == null )
{
wrapperCell = createCell();
}
return wrapperCell;
}
public Element getElement()
{
if ( wrapperTable != null )
{
return wrapperTable;
}
else if ( wrapperCell != null )
{
wrapperCell.addElement( this );
wrapperTable = createTable( wrapperCell );
return wrapperTable;
}
return this;
}
}
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