/*
* $Id: TableWrapper.java 5195 2012-06-18 14:25:30Z blowagie $
*
* This file is part of the iText (R) project.
* Copyright (c) 1998-2012 1T3XT BVBA
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY 1T3XT,
* 1T3XT DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
*
* This program 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 Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: sales@itextpdf.com
*/
package com.itextpdf.text.html.simpleparser;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.Element;
import com.itextpdf.text.ElementListener;
import com.itextpdf.text.html.HtmlTags;
import com.itextpdf.text.html.HtmlUtilities;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
/**
* We use a TableWrapper because PdfPTable is rather complex
* to put on the HTMLWorker stack.
* @author psoares
* @since 5.0.6 (renamed)
*/
public class TableWrapper implements Element {
/**
* The styles that need to be applied to the table
* @since 5.0.6 renamed from props
*/
private final Map<String, String> styles = new HashMap<String, String>();
/**
* Nested list containing the PdfPCell elements that are part of this table.
*/
private final List<List<PdfPCell>> rows = new ArrayList<List<PdfPCell>>();
/**
* Array containing the widths of the columns.
* @since iText 5.0.6
*/
private float[] colWidths;
/**
* Creates a new instance of IncTable.
* @param attrs a Map containing attributes
*/
public TableWrapper(final Map<String, String> attrs) {
this.styles.putAll(attrs);
}
/**
* Adds a new row to the table.
* @param row a list of PdfPCell elements
*/
public void addRow(List<PdfPCell> row) {
if (row != null) {
Collections.reverse(row);
rows.add(row);
row = null;
}
}
/**
* Setter for the column widths
* @since iText 5.0.6
*/
public void setColWidths(final float[] colWidths) {
this.colWidths = colWidths;
}
/**
* Creates a new PdfPTable based on the info assembled
* in the table stub.
* @return a PdfPTable
*/
public PdfPTable createTable() {
// no rows = simplest table possible
if (rows.isEmpty())
return new PdfPTable(1);
// how many columns?
int ncol = 0;
for (PdfPCell pc : rows.get(0)) {
ncol += pc.getColspan();
}
PdfPTable table = new PdfPTable(ncol);
// table width
String width = styles.get(HtmlTags.WIDTH);
if (width == null)
table.setWidthPercentage(100);
else {
if (width.endsWith("%"))
table.setWidthPercentage(Float.parseFloat(width.substring(0, width.length() - 1)));
else {
table.setTotalWidth(Float.parseFloat(width));
table.setLockedWidth(true);
}
}
// horizontal alignment
String alignment = styles.get(HtmlTags.ALIGN);
int align = Element.ALIGN_LEFT;
if (alignment != null) {
align = HtmlUtilities.alignmentValue(alignment);
}
table.setHorizontalAlignment(align);
// column widths
try {
if (colWidths != null)
table.setWidths(colWidths);
} catch (Exception e) {
// fail silently
}
// add the cells
for (List<PdfPCell> col : rows) {
for (PdfPCell pc : col) {
table.addCell(pc);
}
}
return table;
}
// these Element methods are irrelevant for a table stub.
/**
* @since 5.0.1
*/
public List<Chunk> getChunks() {
return null;
}
/**
* @since 5.0.1
*/
public boolean isContent() {
return false;
}
/**
* @since 5.0.1
*/
public boolean isNestable() {
return false;
}
/**
* @since 5.0.1
*/
public boolean process(final ElementListener listener) {
return false;
}
/**
* @since 5.0.1
*/
public int type() {
return 0;
}
}