org.apache.pdfbox.pdmodel.interactive.form.PDListBox Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of pdfbox Show documentation
Show all versions of pdfbox Show documentation
The Apache PDFBox library is an open source Java tool for working with PDF documents.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.pdfbox.pdmodel.interactive.form;
import java.io.IOException;
import org.apache.pdfbox.cos.COSDictionary;
import org.apache.pdfbox.cos.COSName;
/**
* A scrollable list box. Contains several text items, one or more of which shall be selected as the
* field value.
*
* @author John Hewson
*/
public final class PDListBox extends PDChoice
{
/**
* @see PDField#PDField(PDAcroForm)
*
* @param acroForm The acroform.
*/
public PDListBox(PDAcroForm acroForm)
{
super(acroForm);
}
/**
* Constructor.
*
* @param acroForm The form that this field is part of.
* @param field the PDF object to represent as a field.
* @param parent the parent node of the node
*/
PDListBox(PDAcroForm acroForm, COSDictionary field, PDNonTerminalField parent)
{
super(acroForm, field, parent);
}
/**
* This will get the top index "TI" value.
*
* @return the top index, default value 0.
*/
public int getTopIndex()
{
return getCOSObject().getInt(COSName.TI, 0);
}
/**
* This will set top index "TI" value.
*
* @param topIndex the value for the top index, null will remove the value.
*/
public void setTopIndex(Integer topIndex)
{
if (topIndex != null)
{
getCOSObject().setInt(COSName.TI, topIndex);
}
else
{
getCOSObject().removeItem(COSName.TI);
}
}
@Override
void constructAppearances() throws IOException
{
AppearanceGeneratorHelper apHelper;
apHelper = new AppearanceGeneratorHelper(this);
apHelper.setAppearanceValue("");
}
}