1 files changed, 127 insertions, 0 deletions
diff --git a/src/main/java/org/pdfbox/pdmodel/interactive/form/PDChoiceField.java b/src/main/java/org/pdfbox/pdmodel/interactive/form/PDChoiceField.java
new file mode 100644
index 0000000..ff02cc6
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+++ b/src/main/java/org/pdfbox/pdmodel/interactive/form/PDChoiceField.java
@@ -0,0 +1,127 @@
+/**
+ * Copyright (c) 2003-2004, www.pdfbox.org
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of pdfbox; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://www.pdfbox.org
+ *
+ */
+package org.pdfbox.pdmodel.interactive.form;
+
+import java.io.IOException;
+
+import org.pdfbox.cos.COSArray;
+import org.pdfbox.cos.COSBase;
+import org.pdfbox.cos.COSDictionary;
+import org.pdfbox.cos.COSName;
+import org.pdfbox.cos.COSString;
+import org.pdfbox.cos.COSInteger;
+
+/**
+ * A class for handling the PDF field as a choicefield.
+ *
+ * @author sug
+ * @version $Revision: 1.6 $
+ */
+public class PDChoiceField extends PDVariableText
+{
+
+    /**
+     * @see org.pdfbox.pdmodel.field.PDField#COSField(org.pdfbox.cos.COSDictionary)
+     *
+     * @param theAcroForm The acroForm for this field.
+     * @param field The field for this choice field.
+     */
+    public PDChoiceField( PDAcroForm theAcroForm, COSDictionary field)
+    {
+        super(theAcroForm, field);
+    }
+    
+    /**
+     * @see org.pdfbox.pdmodel.field.PDField#setValue(java.lang.String)
+     *
+     * @param optionValue The new value for this text field.
+     *
+     * @throws IOException If there is an error calculating the appearance stream or the value in not one
+     *   of the existing options.
+     */
+    public void setValue(String optionValue) throws IOException
+    {
+        int indexSelected = -1;
+        COSArray options = (COSArray)getDictionary().getDictionaryObject( "Opt" );
+        if( options.size() == 0 )
+        {
+            throw new IOException( "Error: You cannot set a value for a choice field if there are no options." );
+        }
+        else
+        {
+            COSBase option = options.getObject( 0 );
+            if( option instanceof COSArray )
+            {
+                for( int i=0; i<options.size() && indexSelected == -1; i++ )
+                {
+                    COSArray keyValuePair = (COSArray)options.get( i );
+                    COSString key = (COSString)keyValuePair.getObject( 0 );
+                    COSString value = (COSString)keyValuePair.getObject( 1 );
+                    if( optionValue.equals( key.getString() ) || optionValue.equals( value.getString() ) )
+                    {
+                        //have the parent draw the appearance stream with the value
+                        super.setValue( value.getString() );
+                        //but then use the key as the V entry
+                        getDictionary().setItem( COSName.getPDFName( "V" ), key );
+                        indexSelected = i;
+                    }
+                }
+            }
+            else
+            {
+                for( int i=0; i<options.size() && indexSelected == -1; i++ )
+                {
+                    COSString value = (COSString)options.get( i );
+                    if( optionValue.equals( value.getString() ) )
+                    {
+                        setValue( optionValue );
+                        indexSelected = i;
+                    }
+                }
+            }
+        }
+        if( indexSelected == -1 )
+        {
+            throw new IOException( "Error: '" + optionValue + "' was not an available option.");
+        }
+        else
+        {
+            COSArray indexArray = (COSArray)getDictionary().getDictionaryObject( "I" );
+            if( indexArray != null )
+            {
+                indexArray.clear();
+                indexArray.add( new COSInteger( indexSelected ) );
+            }
+        }
+    }
+    
+    
+}
+\ No newline at end of file