/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Balder Van Camp, Emiel Ackermann, 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
* ITEXT GROUP. ITEXT GROUP 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.tool.xml.html.table;
import com.itextpdf.text.Chunk;
import com.itextpdf.text.Element;
import com.itextpdf.text.ListItem;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.PdfName;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.draw.LineSeparator;
import com.itextpdf.tool.xml.NoCustomContextException;
import com.itextpdf.tool.xml.Tag;
import com.itextpdf.tool.xml.WorkerContext;
import com.itextpdf.tool.xml.exceptions.LocaleMessages;
import com.itextpdf.tool.xml.exceptions.RuntimeWorkerException;
import com.itextpdf.tool.xml.html.AbstractTagProcessor;
import com.itextpdf.tool.xml.html.HTML;
import com.itextpdf.tool.xml.html.pdfelement.HtmlCell;
import com.itextpdf.tool.xml.html.pdfelement.NoNewLineParagraph;
import com.itextpdf.tool.xml.pipeline.html.HtmlPipelineContext;
import java.util.ArrayList;
import java.util.List;
/**
* @author redlab_b
*
*/
public class TableData extends AbstractTagProcessor {
/*
* (non-Javadoc)
*
* @see
* com.itextpdf.tool.xml.TagProcessor#content(com.itextpdf.tool.xml.Tag,
* java.util.List, com.itextpdf.text.Document, java.lang.String)
*/
@Override
public List<Element> content(final WorkerContext ctx, final Tag tag,
final String content) {
return textContent(ctx, tag, content);
}
/*
* (non-Javadoc)
*
* @see
* com.itextpdf.tool.xml.TagProcessor#endElement(com.itextpdf.tool.xml.Tag,
* java.util.List, com.itextpdf.text.Document)
*/
@Override
public List<Element> end(final WorkerContext ctx, final Tag tag,
final List<Element> currentContent) {
HtmlCell cell = new HtmlCell();
int direction = getRunDirection(tag);
if (direction != PdfWriter.RUN_DIRECTION_NO_BIDI) {
cell.setRunDirection(direction);
}
if (HTML.Tag.TH.equalsIgnoreCase(tag.getName())) {
cell.setRole(PdfName.TH);
}
try {
HtmlPipelineContext htmlPipelineContext = getHtmlPipelineContext(ctx);
cell = (HtmlCell) getCssAppliers().apply(cell, tag, htmlPipelineContext);
} catch (NoCustomContextException e1) {
throw new RuntimeWorkerException(LocaleMessages.getInstance().getMessage(LocaleMessages.NO_CUSTOM_CONTEXT), e1);
}
List<Element> l = new ArrayList<Element>(1);
List<Element> chunks = new ArrayList<Element>();
List<ListItem> listItems = new ArrayList<ListItem>();
int index = -1;
for (Element e : currentContent) {
index++;
if (e instanceof Chunk || e instanceof NoNewLineParagraph || e instanceof LineSeparator) {
if (!listItems.isEmpty()) {
processListItems(ctx, tag, listItems, cell);
}
if (e instanceof Chunk && Chunk.NEWLINE.getContent().equals(((Chunk)e).getContent())) {
if (index == currentContent.size() - 1) {
continue;
} else {
Element nextElement = currentContent.get(index + 1);
if (!chunks.isEmpty() && !(nextElement instanceof Chunk) && !(nextElement instanceof NoNewLineParagraph)) {
continue;
}
}
} else if (e instanceof LineSeparator) {
try {
HtmlPipelineContext htmlPipelineContext = getHtmlPipelineContext(ctx);
Chunk newLine = (Chunk)getCssAppliers().apply(new Chunk(Chunk.NEWLINE), tag, htmlPipelineContext);
chunks.add(newLine);
} catch (NoCustomContextException e1) {
throw new RuntimeWorkerException(LocaleMessages.getInstance().getMessage(LocaleMessages.NO_CUSTOM_CONTEXT), e1);
}
}
chunks.add(e);
continue;
} else if (e instanceof ListItem) {
if (!chunks.isEmpty()) {
processChunkItems(chunks, cell);
}
listItems.add((ListItem)e);
continue;
} else {
if (!chunks.isEmpty()) {
processChunkItems(chunks, cell);
}
if (!listItems.isEmpty()) {
processListItems(ctx, tag, listItems, cell);
}
}
if (e instanceof Paragraph) {
if ( ((Paragraph)e).getAlignment() == Element.ALIGN_UNDEFINED ) {
((Paragraph)e).setAlignment(cell.getHorizontalAlignment());
}
}
cell.addElement(e);
}
if (!chunks.isEmpty()) {
processChunkItems(chunks, cell);
}
l.add(cell);
return l;
}
/*
* (non-Javadoc)
*
* @see com.itextpdf.tool.xml.TagProcessor#isStackOwner()
*/
@Override
public boolean isStackOwner() {
return true;
}
protected void processChunkItems(List<Element> chunks, HtmlCell cell) {
Paragraph p = new Paragraph();
p.setMultipliedLeading(1.2f);
p.addAll(chunks);
p.setAlignment(cell.getHorizontalAlignment());
if (p.trim()) {
cell.addElement(p);
}
chunks.clear();
}
protected void processListItems(final WorkerContext ctx, final Tag tag, List<ListItem> listItems, HtmlCell cell) {
try {
com.itextpdf.text.List list = new com.itextpdf.text.List();
list.setAutoindent(false);
list = (com.itextpdf.text.List) getCssAppliers().apply(list, tag,
getHtmlPipelineContext(ctx));
list.setIndentationLeft(0);
for (ListItem li : listItems) {
li = (ListItem) getCssAppliers().apply(li, tag, getHtmlPipelineContext(ctx));
li.setSpacingAfter(0);
li.setSpacingBefore(0);
li.setMultipliedLeading(1.2f);
list.add(li);
}
cell.addElement(list);
listItems.clear();
} catch (NoCustomContextException e) {
throw new RuntimeWorkerException(LocaleMessages.getInstance().getMessage(LocaleMessages.NO_CUSTOM_CONTEXT), e);
}
}
}