/*
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;
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.request.parameter.RequestParameterVersionChanges;
import org.dbwiki.web.request.parameter.RequestParameterVersionSingle;
import org.dbwiki.web.ui.CSS;
/** Prints out the time machine bar
*
* @author jcheney
*
*/
public class TimemachinePrinter extends HtmlContentPrinter {
/*
* Private Variables
*/
private WikiRequest _request;
/*
* Constructors
*/
public TimemachinePrinter(WikiRequest request) {
_request = request;
}
/*
* Public Methods
*/
public void print(HtmlLinePrinter body) throws org.dbwiki.exception.WikiException {
String currentVersion = "<a CLASS=\"" + CSS.CSSTimemachineTab + "\" HREF=\"" + _request.wri().getURL() + "?" + RequestParameter.ParameterVersion + "=" + RequestParameterVersion.VersionCurrent + "\">Current version</a>";
String fullHistory = "<a CLASS=\"" + CSS.CSSTimemachineTab + "\" HREF=\"" + _request.wri().getURL() + "?" + RequestParameter.ParameterVersion + "=" + RequestParameterVersion.VersionAll + "\">Full history</a>";
String previousVersion = "<a CLASS=\"" + CSS.CSSTimemachineTab + "\" HREF=\"" + _request.wri().getURL() + "?" + RequestParameter.ParameterPreviousVersion + "\">Previous version</a>";
String changesSince = "<a CLASS=\"" + CSS.CSSTimemachineTab + "\" HREF=\"" + _request.wri().getURL() + "?" + RequestParameter.ParameterChangesSince + "\">Changes since ...</a>";
if (_request.parameters().hasParameter(RequestParameter.ParameterChangesSince)) {
changesSince = "Changes since ...";
} else if (_request.parameters().hasParameter(RequestParameter.ParameterPreviousVersion)) {
previousVersion = "Previous version";
} else {
RequestParameterVersion versionParameter = RequestParameter.versionParameter(_request.parameters().get(RequestParameter.ParameterVersion));
if (versionParameter.versionAll()) {
fullHistory = "Full history";
} else if (versionParameter.versionChangesSince()) {
changesSince = changesSince + "<br/>" + _request.versionIndex().getByNumber(((RequestParameterVersionChanges)versionParameter).versionNumber()).name();
} else if (versionParameter.versionCurrent()) {
currentVersion = "Current version";
} else if (versionParameter.versionSingle()) {
previousVersion = previousVersion + "<br/>" + _request.versionIndex().getByNumber(((RequestParameterVersionSingle)versionParameter).versionNumber()).name();
}
}
body.openTABLE(CSS.CSSTimemachineTab);
body.openTR();
body.openTD(CSS.CSSTimemachineTab);
body.text(currentVersion);
body.closeTD();
body.openTD(CSS.CSSTimemachineTab);
body.text(fullHistory);
body.closeTD();
body.openTD(CSS.CSSTimemachineTab);
body.text(previousVersion);
body.closeTD();
body.openTD(CSS.CSSTimemachineTab);
body.text(changesSince);
body.closeTD();
body.closeTR();
body.closeTABLE();
}
}