Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 648 insertions, 0 deletions

diff --git a/toolkit/source/helper/formpdfexport.cxx b/toolkit/source/helper/formpdfexport.cxx
new file mode 100644
index 000000000..dc1f02f12
--- /dev/null
+++ b/toolkit/source/helper/formpdfexport.cxx
@@ -0,0 +1,648 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+
+#include <memory>
+#include <toolkit/helper/formpdfexport.hxx>
+#include <tools/diagnose_ex.h>
+#include <tools/lineend.hxx>
+#include <unordered_map>
+#include <sal/log.hxx>
+
+#include <com/sun/star/container/XIndexAccess.hpp>
+#include <com/sun/star/form/XForm.hpp>
+#include <com/sun/star/container/XChild.hpp>
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/beans/XPropertySet.hpp>
+#include <com/sun/star/form/FormComponentType.hpp>
+#include <com/sun/star/awt/TextAlign.hpp>
+#include <com/sun/star/awt/XControl.hpp>
+#include <com/sun/star/style/VerticalAlignment.hpp>
+#include <com/sun/star/form/FormButtonType.hpp>
+#include <com/sun/star/form/FormSubmitMethod.hpp>
+
+#include <toolkit/helper/vclunohelper.hxx>
+#include <vcl/pdfextoutdevdata.hxx>
+#include <vcl/outdev.hxx>
+
+#include <algorithm>
+#include <iterator>
+
+
+namespace toolkitform
+{
+
+
+    using namespace ::com::sun::star;
+    using namespace ::com::sun::star::uno;
+    using namespace ::com::sun::star::awt;
+    using namespace ::com::sun::star::style;
+    using namespace ::com::sun::star::beans;
+    using namespace ::com::sun::star::form;
+    using namespace ::com::sun::star::lang;
+    using namespace ::com::sun::star::container;
+
+    static const char FM_PROP_NAME[] = "Name";
+
+    namespace
+    {
+
+        /** determines the FormComponentType of a form control
+        */
+        sal_Int16 classifyFormControl( const Reference< XPropertySet >& _rxModel )
+        {
+            static const char FM_PROP_CLASSID[] = "ClassId";
+            sal_Int16 nControlType = FormComponentType::CONTROL;
+
+            Reference< XPropertySetInfo > xPSI;
+            if ( _rxModel.is() )
+                xPSI = _rxModel->getPropertySetInfo();
+            if ( xPSI.is() && xPSI->hasPropertyByName( FM_PROP_CLASSID ) )
+            {
+                if( ! (_rxModel->getPropertyValue( FM_PROP_CLASSID ) >>= nControlType) ) {
+                    SAL_WARN("toolkit.helper", "classifyFormControl: unable to get property " << FM_PROP_CLASSID);
+                }
+            }
+
+            return nControlType;
+        }
+
+
+        /** (default-)creates a PDF widget according to a given FormComponentType
+        */
+        std::unique_ptr<vcl::PDFWriter::AnyWidget> createDefaultWidget( sal_Int16 _nFormComponentType )
+        {
+            switch ( _nFormComponentType )
+            {
+            case FormComponentType::COMMANDBUTTON:
+                return std::make_unique<vcl::PDFWriter::PushButtonWidget>();
+            case FormComponentType::CHECKBOX:
+                return std::make_unique<vcl::PDFWriter::CheckBoxWidget>();
+            case FormComponentType::RADIOBUTTON:
+                return std::make_unique<vcl::PDFWriter::RadioButtonWidget>();
+            case FormComponentType::LISTBOX:
+                return std::make_unique<vcl::PDFWriter::ListBoxWidget>();
+            case FormComponentType::COMBOBOX:
+                return std::make_unique<vcl::PDFWriter::ComboBoxWidget>();
+
+            case FormComponentType::TEXTFIELD:
+            case FormComponentType::FILECONTROL:
+            case FormComponentType::DATEFIELD:
+            case FormComponentType::TIMEFIELD:
+            case FormComponentType::NUMERICFIELD:
+            case FormComponentType::CURRENCYFIELD:
+            case FormComponentType::PATTERNFIELD:
+                return std::make_unique<vcl::PDFWriter::EditWidget>();
+            }
+            return nullptr;
+        }
+
+
+        /** determines a unique number for the radio group which the given radio
+            button model belongs to
+
+            The number is guaranteed to be
+            <ul><li>unique within the document in which the button lives</li>
+                <li>the same for subsequent calls with other radio button models,
+                    which live in the same document, and belong to the same group</li>
+            </ul>
+
+            @precond
+                the model must be part of the form component hierarchy in a document
+        */
+        sal_Int32 determineRadioGroupId( const Reference< XPropertySet >& _rxRadioModel )
+        {
+            OSL_ENSURE( classifyFormControl( _rxRadioModel ) == FormComponentType::RADIOBUTTON,
+                "determineRadioGroupId: this *is* no radio button model!" );
+            // The fact that radio button groups need to be unique within the complete
+            // host document makes it somewhat difficult ...
+            // Problem is that two form radio buttons belong to the same group if
+            // - they have the same parent
+            // - AND they have the same name or group name
+            // This implies that we need some knowledge about (potentially) *all* radio button
+            // groups in the document.
+
+            // get the root-level container
+            Reference< XChild > xChild( _rxRadioModel, UNO_QUERY );
+            Reference< XForm > xParentForm( xChild.is() ? xChild->getParent() : Reference< XInterface >(), UNO_QUERY );
+            OSL_ENSURE( xParentForm.is(), "determineRadioGroupId: no parent form -> group id!" );
+            if ( !xParentForm.is() )
+                return -1;
+
+            while ( xParentForm.is() )
+            {
+                xChild = xParentForm.get();
+                xParentForm.set(xChild->getParent(), css::uno::UNO_QUERY);
+            }
+            Reference< XIndexAccess > xRoot( xChild->getParent(), UNO_QUERY );
+            OSL_ENSURE( xRoot.is(), "determineRadioGroupId: unable to determine the root of the form component hierarchy!" );
+            if ( !xRoot.is() )
+                return -1;
+
+            // count the leafs in the hierarchy, until we encounter radio button
+            ::std::vector< Reference< XIndexAccess > > aAncestors;
+            ::std::vector< sal_Int32 >                 aPath;
+
+            Reference< XInterface > xNormalizedLookup( _rxRadioModel, UNO_QUERY );
+            Reference< XIndexAccess > xCurrentContainer( xRoot );
+            sal_Int32 nStartWithChild = 0;
+            sal_Int32 nGroupsEncountered = 0;
+            do
+            {
+                std::unordered_map<OUString,sal_Int32> GroupNameMap;
+                std::unordered_map<OUString,sal_Int32> SharedNameMap;
+                sal_Int32 nCount = xCurrentContainer->getCount();
+                sal_Int32 i;
+                for ( i = nStartWithChild; i < nCount; ++i )
+                {
+                    Reference< XInterface > xElement( xCurrentContainer->getByIndex( i ), UNO_QUERY );
+                    if ( !xElement.is() )
+                    {
+                        OSL_FAIL( "determineRadioGroupId: very suspicious!" );
+                        continue;
+                    }
+
+                    Reference< XIndexAccess > xNewContainer( xElement, UNO_QUERY );
+                    if ( xNewContainer.is() )
+                    {
+                        // step down the hierarchy
+                        aAncestors.push_back( xCurrentContainer );
+                        xCurrentContainer = xNewContainer;
+                        aPath.push_back( i );
+                        nStartWithChild = 0;
+                        break;
+                            // out of the inner loop, but continue with the outer loop
+                    }
+
+                    if ( xElement.get() == xNormalizedLookup.get() )
+                    {
+                        // Our radio button is in this container.
+                        // Now take the time to ID this container's groups and return the button's groupId
+                        for ( i = 0; i < nCount; ++i )
+                        {
+                            try
+                            {
+                                xElement.set( xCurrentContainer->getByIndex( i ), UNO_QUERY_THROW );
+                                Reference< XServiceInfo > xModelSI( xElement, UNO_QUERY_THROW );
+                                if ( xModelSI->supportsService("com.sun.star.awt.UnoControlRadioButtonModel") )
+                                {
+                                    Reference< XPropertySet >  aProps( xElement, UNO_QUERY_THROW );
+
+                                    OUString sGroupName;
+                                    aProps->getPropertyValue("GroupName") >>= sGroupName;
+                                    if ( !sGroupName.isEmpty() )
+                                    {
+                                        // map: unique key is the group name, so attempts to add a different ID value
+                                        // for an existing group are ignored - keeping the first ID - perfect for this scenario.
+                                        GroupNameMap.emplace( sGroupName, nGroupsEncountered + i );
+
+                                        if ( xElement.get() == xNormalizedLookup.get() )
+                                            return GroupNameMap[sGroupName];
+                                    }
+                                    else
+                                    {
+                                        // Old implementation didn't have a GroupName, just identical Control names.
+                                        aProps->getPropertyValue( FM_PROP_NAME ) >>= sGroupName;
+                                        SharedNameMap.emplace( sGroupName, nGroupsEncountered + i );
+
+                                        if ( xElement.get() == xNormalizedLookup.get() )
+                                            return SharedNameMap[sGroupName];
+                                    }
+
+                                }
+                            }
+                            catch( uno::Exception& )
+                            {
+                                DBG_UNHANDLED_EXCEPTION("toolkit");
+                            }
+                        }
+                        SAL_WARN("toolkit.helper","determineRadioGroupId: did not find the radios element's group!" );
+                    }
+                }
+
+                // we encounter this container the first time. In particular, we did not just step up
+                if ( nStartWithChild == 0 )
+                {
+                    // Our control wasn't in this container, so consider every item to be a possible unique group.
+                    // This is way too much: Not all of the elements in the current container will form groups.
+                    // But anyway, this number is sufficient for our purpose, since sequential group ids are not required.
+                    // Ultimately, the container contains *at most* this many groups.
+                    nGroupsEncountered += nCount;
+                }
+
+                if (  i >= nCount )
+                {
+                    // the loop terminated because there were no more elements
+                    // -> step up, if possible
+                    if ( aAncestors.empty() )
+                        break;
+
+                    xCurrentContainer = aAncestors.back(); aAncestors.pop_back();
+                    nStartWithChild = aPath.back() + 1; aPath.pop_back();
+                }
+            }
+            while ( true );
+            return -1;
+        }
+
+
+        /** copies a StringItemList to a PDF widget's list
+        */
+        void getStringItemVector( const Reference< XPropertySet >& _rxModel, ::std::vector< OUString >& _rVector )
+        {
+            Sequence< OUString > aListEntries;
+            if( ! (_rxModel->getPropertyValue( "StringItemList" ) >>= aListEntries) ) {
+                SAL_WARN("toolkit.helper", "getStringItemVector: unable to get property StringItemList");
+            }
+            ::std::copy( aListEntries.begin(), aListEntries.end(),
+                         ::std::back_insert_iterator< ::std::vector< OUString > >( _rVector ) );
+        }
+    }
+
+
+    /** creates a PDF compatible control descriptor for the given control
+    */
+    std::unique_ptr<vcl::PDFWriter::AnyWidget> describePDFControl( const Reference< XControl >& _rxControl,
+        vcl::PDFExtOutDevData& i_pdfExportData )
+    {
+        std::unique_ptr<vcl::PDFWriter::AnyWidget> Descriptor;
+        OSL_ENSURE( _rxControl.is(), "describePDFControl: invalid (NULL) control!" );
+        if ( !_rxControl.is() )
+            return Descriptor;
+
+        try
+        {
+            Reference< XPropertySet > xModelProps( _rxControl->getModel(), UNO_QUERY );
+            sal_Int16 nControlType = classifyFormControl( xModelProps );
+            Descriptor = createDefaultWidget( nControlType );
+            if (!Descriptor)
+                // no PDF widget available for this
+                return Descriptor;
+
+            Reference< XPropertySetInfo > xPSI( xModelProps->getPropertySetInfo() );
+            Reference< XServiceInfo > xSI( xModelProps, UNO_QUERY );
+            OSL_ENSURE( xSI.is(), "describePDFControl: no service info!" );
+                // if we survived classifyFormControl, then it's a real form control, and they all have
+                // service infos
+
+
+            // set the common widget properties
+
+
+            // Name, Description, Text
+            if( ! (xModelProps->getPropertyValue( FM_PROP_NAME ) >>= Descriptor->Name) ) {
+                SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_NAME);
+            }
+            if( ! (xModelProps->getPropertyValue( "HelpText" ) >>= Descriptor->Description) ) {
+                SAL_INFO("toolkit.helper", "describePDFControl: unable to get property HelpText");
+            }
+            Any aText;
+            static const char FM_PROP_TEXT[] = "Text";
+            static const char FM_PROP_LABEL[] = "Label";
+            if ( xPSI->hasPropertyByName( FM_PROP_TEXT ) )
+                aText = xModelProps->getPropertyValue( FM_PROP_TEXT );
+            else if ( xPSI->hasPropertyByName( FM_PROP_LABEL ) )
+                aText = xModelProps->getPropertyValue( FM_PROP_LABEL );
+            if ( aText.hasValue() ) {
+                if( ! (aText >>= Descriptor->Text) ) {
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to assign aText to Descriptor->Text");
+                }
+            }
+
+
+            // readonly
+            static const char FM_PROP_READONLY[] = "ReadOnly";
+            if ( xPSI->hasPropertyByName( FM_PROP_READONLY ) )
+                if( ! (xModelProps->getPropertyValue( FM_PROP_READONLY ) >>= Descriptor->ReadOnly) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_READONLY);
+
+
+            // border
+            {
+                static const char FM_PROP_BORDER[] = "Border";
+                if ( xPSI->hasPropertyByName( FM_PROP_BORDER ) )
+                {
+                    sal_Int16 nBorderType = 0;
+                    if( ! (xModelProps->getPropertyValue( FM_PROP_BORDER ) >>= nBorderType) )
+                        SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_BORDER);
+                    Descriptor->Border = ( nBorderType != 0 );
+
+                    OUString sBorderColorPropertyName( "BorderColor" );
+                    if ( xPSI->hasPropertyByName( sBorderColorPropertyName ) )
+                    {
+                        Color nBorderColor = COL_TRANSPARENT;
+                        if ( xModelProps->getPropertyValue( sBorderColorPropertyName ) >>= nBorderColor )
+                            Descriptor->BorderColor = nBorderColor;
+                        else
+                            Descriptor->BorderColor = COL_BLACK;
+                    }
+                }
+            }
+
+
+            // background color
+            static const char FM_PROP_BACKGROUNDCOLOR[] = "BackgroundColor";
+            if ( xPSI->hasPropertyByName( FM_PROP_BACKGROUNDCOLOR ) )
+            {
+                Color nBackColor = COL_TRANSPARENT;
+                xModelProps->getPropertyValue( FM_PROP_BACKGROUNDCOLOR ) >>= nBackColor;
+                Descriptor->Background = true;
+                Descriptor->BackgroundColor = nBackColor;
+            }
+
+
+            // text color
+            static const char FM_PROP_TEXTCOLOR[] = "TextColor";
+            if ( xPSI->hasPropertyByName( FM_PROP_TEXTCOLOR ) )
+            {
+                Color nTextColor = COL_TRANSPARENT;
+                xModelProps->getPropertyValue( FM_PROP_TEXTCOLOR ) >>= nTextColor;
+                Descriptor->TextColor = nTextColor;
+            }
+
+
+            // text style
+            Descriptor->TextStyle = DrawTextFlags::NONE;
+
+            // multi line and word break
+            // The MultiLine property of the control is mapped to both the "MULTILINE" and
+            // "WORDBREAK" style flags
+            static const char FM_PROP_MULTILINE[] = "MultiLine";
+            if ( xPSI->hasPropertyByName( FM_PROP_MULTILINE ) )
+            {
+                bool bMultiLine = false;
+                if( ! (xModelProps->getPropertyValue( FM_PROP_MULTILINE ) >>= bMultiLine) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_MULTILINE);
+                if ( bMultiLine )
+                    Descriptor->TextStyle |= DrawTextFlags::MultiLine | DrawTextFlags::WordBreak;
+            }
+
+            // horizontal alignment
+            static const char FM_PROP_ALIGN[] = "Align";
+            if ( xPSI->hasPropertyByName( FM_PROP_ALIGN ) )
+            {
+                sal_Int16 nAlign = awt::TextAlign::LEFT;
+                xModelProps->getPropertyValue( FM_PROP_ALIGN ) >>= nAlign;
+                // TODO: when the property is VOID - are there situations/UIs where this
+                // means something else than LEFT?
+                switch ( nAlign )
+                {
+                case awt::TextAlign::LEFT:  Descriptor->TextStyle |= DrawTextFlags::Left; break;
+                case awt::TextAlign::CENTER:  Descriptor->TextStyle |= DrawTextFlags::Center; break;
+                case awt::TextAlign::RIGHT:  Descriptor->TextStyle |= DrawTextFlags::Right; break;
+                default:
+                    OSL_FAIL( "describePDFControl: invalid text align!" );
+                }
+            }
+
+            // vertical alignment
+            {
+                OUString sVertAlignPropertyName( "VerticalAlign" );
+                if ( xPSI->hasPropertyByName( sVertAlignPropertyName ) )
+                {
+                    VerticalAlignment nAlign = VerticalAlignment_MIDDLE;
+                    xModelProps->getPropertyValue( sVertAlignPropertyName ) >>= nAlign;
+                    switch ( nAlign )
+                    {
+                    case VerticalAlignment_TOP:  Descriptor->TextStyle |= DrawTextFlags::Top; break;
+                    case VerticalAlignment_MIDDLE:  Descriptor->TextStyle |= DrawTextFlags::VCenter; break;
+                    case VerticalAlignment_BOTTOM:  Descriptor->TextStyle |= DrawTextFlags::Bottom; break;
+                    default:
+                        OSL_FAIL( "describePDFControl: invalid vertical text align!" );
+                    }
+                }
+            }
+
+            // font
+            static const char FM_PROP_FONT[] = "FontDescriptor";
+            if ( xPSI->hasPropertyByName( FM_PROP_FONT ) )
+            {
+                FontDescriptor aUNOFont;
+                if( ! (xModelProps->getPropertyValue( FM_PROP_FONT ) >>= aUNOFont) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_FONT);
+                Descriptor->TextFont = VCLUnoHelper::CreateFont( aUNOFont, vcl::Font() );
+            }
+
+            // tab order
+            OUString aTabIndexString( "TabIndex" );
+            if ( xPSI->hasPropertyByName( aTabIndexString ) )
+            {
+                sal_Int16 nIndex = -1;
+                if( ! (xModelProps->getPropertyValue( aTabIndexString ) >>= nIndex) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << aTabIndexString);
+                Descriptor->TabOrder = nIndex;
+            }
+
+
+            // special widget properties
+
+            // edits
+            if ( Descriptor->getType() == vcl::PDFWriter::Edit )
+            {
+                vcl::PDFWriter::EditWidget* pEditWidget = static_cast< vcl::PDFWriter::EditWidget* >( Descriptor.get() );
+
+                // multiline (already flagged in the TextStyle)
+                pEditWidget->MultiLine = bool( Descriptor->TextStyle & DrawTextFlags::MultiLine );
+
+                // password input
+                OUString sEchoCharPropName( "EchoChar" );
+                if ( xPSI->hasPropertyByName( sEchoCharPropName ) )
+                {
+                    sal_Int16 nEchoChar = 0;
+                    if ( ( xModelProps->getPropertyValue( sEchoCharPropName ) >>= nEchoChar ) && ( nEchoChar != 0 ) )
+                        pEditWidget->Password = true;
+                }
+
+                // file select
+                if ( xSI->supportsService( "com.sun.star.form.component.FileControl" ) )
+                    pEditWidget->FileSelect = true;
+
+                // maximum text length
+                static const char FM_PROP_MAXTEXTLEN[] = "MaxTextLen";
+                if ( xPSI->hasPropertyByName( FM_PROP_MAXTEXTLEN ) )
+                {
+                    sal_Int16 nMaxTextLength = 0;
+                    if( ! (xModelProps->getPropertyValue( FM_PROP_MAXTEXTLEN ) >>= nMaxTextLength) )
+                        SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_MAXTEXTLEN);
+                    if ( nMaxTextLength <= 0 )
+                        // "-1" has a special meaning for database-bound controls
+                        nMaxTextLength = 0;
+                    pEditWidget->MaxLen = nMaxTextLength;
+                }
+            }
+
+
+            // buttons
+            if ( Descriptor->getType() == vcl::PDFWriter::PushButton )
+            {
+                vcl::PDFWriter::PushButtonWidget* pButtonWidget = static_cast< vcl::PDFWriter::PushButtonWidget* >( Descriptor.get() );
+                FormButtonType eButtonType = FormButtonType_PUSH;
+                if( ! (xModelProps->getPropertyValue("ButtonType") >>= eButtonType) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property ButtonType");
+                static const char FM_PROP_TARGET_URL[] = "TargetURL";
+                if ( eButtonType == FormButtonType_SUBMIT )
+                {
+                    // if a button is a submit button, then it uses the URL at its parent form
+                    Reference< XChild > xChild( xModelProps, UNO_QUERY );
+                    Reference < XPropertySet > xParentProps;
+                    if ( xChild.is() )
+                        xParentProps.set(xChild->getParent(), css::uno::UNO_QUERY);
+                    if ( xParentProps.is() )
+                    {
+                        Reference< XServiceInfo > xParentSI( xParentProps, UNO_QUERY );
+                        if ( xParentSI.is() && xParentSI->supportsService("com.sun.star.form.component.HTMLForm") )
+                        {
+                            if( ! (xParentProps->getPropertyValue( FM_PROP_TARGET_URL ) >>= pButtonWidget->URL) )
+                                SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_TARGET_URL);
+                            pButtonWidget->Submit = true;
+                            FormSubmitMethod eMethod = FormSubmitMethod_POST;
+                            if( ! (xParentProps->getPropertyValue("SubmitMethod") >>= eMethod) )
+                                SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_TARGET_URL);
+                            pButtonWidget->SubmitGet = (eMethod == FormSubmitMethod_GET);
+                        }
+                    }
+                }
+                else if ( eButtonType == FormButtonType_URL )
+                {
+                    OUString sURL;
+                    if( ! (xModelProps->getPropertyValue( FM_PROP_TARGET_URL ) >>= sURL) )
+                        SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_TARGET_URL);
+                    const bool bDocumentLocalTarget = sURL.startsWith("#");
+                    if ( bDocumentLocalTarget )
+                    {
+                        // Register the destination for future handling ...
+                        pButtonWidget->Dest = i_pdfExportData.RegisterDest();
+
+                        // and put it into the bookmarks, to ensure the future handling really happens
+                        ::std::vector< vcl::PDFExtOutDevBookmarkEntry >& rBookmarks( i_pdfExportData.GetBookmarks() );
+                        vcl::PDFExtOutDevBookmarkEntry aBookmark;
+                        aBookmark.nDestId = pButtonWidget->Dest;
+                        aBookmark.aBookmark = sURL;
+                        rBookmarks.push_back( aBookmark );
+                    }
+                    else
+                        pButtonWidget->URL = sURL;
+
+                    pButtonWidget->Submit = false;
+                }
+
+               // TODO:
+                // In PDF files, buttons are either reset, url or submit buttons. So if we have a simple PUSH button
+                // in a document, then this means that we do not export a SubmitToURL, which means that in PDF,
+                // the button is used as reset button.
+                // Is this desired? If no, we would have to reset Descriptor to NULL here, in case eButtonType
+                // != FormButtonType_SUBMIT && != FormButtonType_RESET
+
+                // the PDF exporter defaults the text style, if 0. To prevent this, we have to transfer the UNO
+                // defaults to the PDF widget
+                if ( pButtonWidget->TextStyle == DrawTextFlags::NONE )
+                    pButtonWidget->TextStyle = DrawTextFlags::Center | DrawTextFlags::VCenter;
+            }
+
+
+            // check boxes
+            static const char FM_PROP_STATE[] = "State";
+            if ( Descriptor->getType() == vcl::PDFWriter::CheckBox )
+            {
+                vcl::PDFWriter::CheckBoxWidget* pCheckBoxWidget = static_cast< vcl::PDFWriter::CheckBoxWidget* >( Descriptor.get() );
+                sal_Int16 nState = 0;
+                if( ! (xModelProps->getPropertyValue( FM_PROP_STATE ) >>= nState) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_STATE);
+                pCheckBoxWidget->Checked = ( nState != 0 );
+            }
+
+
+            // radio buttons
+            if ( Descriptor->getType() == vcl::PDFWriter::RadioButton )
+            {
+                vcl::PDFWriter::RadioButtonWidget* pRadioWidget = static_cast< vcl::PDFWriter::RadioButtonWidget* >( Descriptor.get() );
+                sal_Int16 nState = 0;
+                if( ! (xModelProps->getPropertyValue( FM_PROP_STATE ) >>= nState) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property " << FM_PROP_STATE);
+                pRadioWidget->Selected = ( nState != 0 );
+                pRadioWidget->RadioGroup = determineRadioGroupId( xModelProps );
+                try
+                {
+                    xModelProps->getPropertyValue( "RefValue" ) >>= pRadioWidget->OnValue;
+                }
+                catch(...)
+                {
+                    pRadioWidget->OnValue = "On";
+                }
+            }
+
+
+            // list boxes
+            if ( Descriptor->getType() == vcl::PDFWriter::ListBox )
+            {
+                vcl::PDFWriter::ListBoxWidget* pListWidget = static_cast< vcl::PDFWriter::ListBoxWidget* >( Descriptor.get() );
+
+                // drop down
+                if( ! (xModelProps->getPropertyValue( "Dropdown" ) >>= pListWidget->DropDown) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property Dropdown");
+
+                // multi selection
+                if( ! (xModelProps->getPropertyValue("MultiSelection") >>= pListWidget->MultiSelect) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property MultiSelection");
+
+                // entries
+                getStringItemVector( xModelProps, pListWidget->Entries );
+
+                // get selected items
+                Sequence< sal_Int16 > aSelectIndices;
+                if( ! (xModelProps->getPropertyValue("SelectedItems") >>= aSelectIndices) )
+                    SAL_WARN("toolkit.helper", "describePDFControl: unable to get property SelectedItems");
+                if( aSelectIndices.hasElements() )
+                {
+                    pListWidget->SelectedEntries.resize( 0 );
+                    auto nEntriesSize = static_cast<sal_Int16>(pListWidget->Entries.size());
+                    std::copy_if(aSelectIndices.begin(), aSelectIndices.end(), std::back_inserter(pListWidget->SelectedEntries),
+                        [&nEntriesSize](const sal_Int16 nIndex) { return nIndex >= 0 && nIndex < nEntriesSize; });
+                }
+            }
+
+
+            // combo boxes
+            if ( Descriptor->getType() == vcl::PDFWriter::ComboBox )
+            {
+                vcl::PDFWriter::ComboBoxWidget* pComboWidget = static_cast< vcl::PDFWriter::ComboBoxWidget* >( Descriptor.get() );
+
+                // entries
+                getStringItemVector( xModelProps, pComboWidget->Entries );
+            }
+
+
+            // some post-processing
+
+            // text line ends
+            // some controls may (always or dependent on other settings) return UNIX line ends
+            Descriptor->Text = convertLineEnd(Descriptor->Text, LINEEND_CRLF);
+        }
+        catch( const Exception& )
+        {
+            TOOLS_WARN_EXCEPTION( "toolkit", "describePDFControl" );
+        }
+        return Descriptor;
+    }
+
+
+} // namespace toolkitform
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */