/*
BEGIN LICENSE BLOCK
Copyright 2010-2011, Heiko Mueller, Sam Lindley, James Cheney and
University of Edinburgh
This file is part of Database Wiki.
Database Wiki is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Database Wiki 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Database Wiki. If not, see <http://www.gnu.org/licenses/>.
END LICENSE BLOCK
*/
package org.dbwiki.web.ui.printer.index;
import java.util.Vector;
import org.dbwiki.data.index.ContentIterator;
import org.dbwiki.data.index.DatabaseContent;
import org.dbwiki.data.index.DatabaseEntry;
import org.dbwiki.data.resource.DatabaseIdentifier;
import org.dbwiki.web.html.HtmlLinePrinter;
import org.dbwiki.web.request.WikiRequest;
import org.dbwiki.web.request.parameter.RequestParameter;
import org.dbwiki.web.request.parameter.RequestParameterVersion;
import org.dbwiki.web.ui.CSS;
/**
* Print entries in multiple columns, by default 2
* @author jcheney
*
*/
public class MultiColumnIndexPrinter extends IndexContentPrinter {
/*
* Private Constants
*/
private int _columns = 2;
/*
* Constructors
*/
public MultiColumnIndexPrinter(WikiRequest request, DatabaseContent content) {
super(request, content);
}
public MultiColumnIndexPrinter(WikiRequest request, DatabaseContent content, int columns) {
super(request, content);
_columns=columns;
}
/*
* Public Methods
*/
public void listContent(DatabaseIdentifier databaseIdentifier, ContentIterator iterator, WikiRequest request, HtmlLinePrinter body) throws org.dbwiki.exception.WikiException {
DatabaseEntry entry = null;
Vector<DatabaseEntry> entries = new Vector<DatabaseEntry>();
while ((entry = iterator.next()) != null) {
entries.add(entry);
}
int entriesPerColumn = entries.size() / _columns;
if ((entries.size() % _columns) != 0) {
entriesPerColumn++;
}
RequestParameterVersion versionParameter = RequestParameter.versionParameter(request.parameters().get(RequestParameter.ParameterVersion));
body.openTABLE(CSS.CSSIndexContent);
body.openTR();
int index = 0;
for (int iColumn = 0; iColumn < _columns; iColumn++) {
body.openTD(CSS.CSSIndexContent);
for (int iRow = 0; iRow < entriesPerColumn; iRow++) {
if (index < entries.size()) {
entry = entries.get(index);
body.text(databaseIdentifier.getLink(entry, versionParameter) + "<br/>");
}
index++;
}
body.closeTD();
}
body.closeTR();
body.closeTABLE();
}
}