org.primefaces.component.export.PDFExportVisitCallback Maven / Gradle / Ivy
/*
* Copyright 2009-2016 PrimeTek.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.primefaces.component.export;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Paragraph;
import javax.faces.component.UIComponent;
import javax.faces.component.visit.VisitCallback;
import javax.faces.component.visit.VisitContext;
import javax.faces.component.visit.VisitResult;
import javax.faces.view.facelets.FaceletException;
import org.primefaces.component.datatable.DataTable;
public class PDFExportVisitCallback implements VisitCallback {
private PDFExporter exporter;
private Document document;
private boolean pageOnly;
private boolean selectionOnly;
private String encoding;
public PDFExportVisitCallback(PDFExporter exporter, Document document, boolean pageOnly, boolean selectionOnly, String encoding) {
this.exporter = exporter;
this.document = document;
this.pageOnly = pageOnly;
this.selectionOnly = selectionOnly;
this.encoding = encoding;
}
public VisitResult visit(VisitContext context, UIComponent target) {
DataTable dt = (DataTable) target;
try {
document.add(exporter.exportPDFTable(context.getFacesContext(), dt, pageOnly, selectionOnly, encoding));
Paragraph preface = new Paragraph();
exporter.addEmptyLine(preface, 3);
document.add(preface);
} catch (DocumentException e) {
throw new FaceletException(e.getMessage());
}
return VisitResult.ACCEPT;
}
}