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office-gobmx/xmloff/source/text/XMLRedlineExport.cxx
Michael Stahl 20cbf5bd30 i#108348: support DateTimeWithTimezone in user defined Document Properties 
- fix interface of sax::Converter to allow passing time zones
  (rename the parsing methods while at it to reduce pointless overloading)
- SfxDocumentMetaData supports DateWithTimezone and DateTimeWithTimezone
  in user-defined properties
- add some ugly hacks to SfxCustomPropertiesPage to preserve existing
  time zones (which are not displayed in UI currently)

Change-Id: Ice94112b9d79c285f80b5beda15f0ace91db97f3
2013-07-15 15:23:25 +02:00

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/* -*- 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 "XMLRedlineExport.hxx"
#include <tools/debug.hxx>
#include <rtl/ustring.hxx>
#include <rtl/ustrbuf.hxx>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/UnknownPropertyException.hpp>
#include <com/sun/star/container/XEnumerationAccess.hpp>
#include <com/sun/star/container/XEnumeration.hpp>
#include <com/sun/star/document/XRedlinesSupplier.hpp>
#include <com/sun/star/text/XText.hpp>
#include <com/sun/star/text/XTextContent.hpp>
#include <com/sun/star/text/XTextSection.hpp>
#include <com/sun/star/util/DateTime.hpp>
#include <sax/tools/converter.hxx>
#include <xmloff/xmltoken.hxx>
#include "xmloff/xmlnmspe.hxx"
#include <xmloff/xmlexp.hxx>
#include <xmloff/xmluconv.hxx>
using namespace ::com::sun::star;
using namespace ::xmloff::token;
using ::com::sun::star::beans::PropertyValue;
using ::com::sun::star::beans::XPropertySet;
using ::com::sun::star::beans::UnknownPropertyException;
using ::com::sun::star::document::XRedlinesSupplier;
using ::com::sun::star::container::XEnumerationAccess;
using ::com::sun::star::container::XEnumeration;
using ::com::sun::star::text::XText;
using ::com::sun::star::text::XTextContent;
using ::com::sun::star::text::XTextSection;
using ::com::sun::star::uno::Any;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::Sequence;
using ::std::list;
XMLRedlineExport::XMLRedlineExport(SvXMLExport& rExp)
: sDelete("Delete")
, sDeletion(GetXMLToken(XML_DELETION))
, sFormat("Format")
, sFormatChange(GetXMLToken(XML_FORMAT_CHANGE))
, sInsert("Insert")
, sInsertion(GetXMLToken(XML_INSERTION))
, sIsCollapsed("IsCollapsed")
, sIsStart("IsStart")
, sRedlineAuthor("RedlineAuthor")
, sRedlineComment("RedlineComment")
, sRedlineDateTime("RedlineDateTime")
, sRedlineSuccessorData("RedlineSuccessorData")
, sRedlineText("RedlineText")
, sRedlineType("RedlineType")
, sStyle("Style")
, sTextTable("TextTable")
, sUnknownChange("UnknownChange")
, sStartRedline("StartRedline")
, sEndRedline("EndRedline")
, sRedlineIdentifier("RedlineIdentifier")
, sIsInHeaderFooter("IsInHeaderFooter")
, sRedlineProtectionKey("RedlineProtectionKey")
, sRecordChanges("RecordChanges")
, sMergeLastPara("MergeLastPara")
, sChangePrefix("ct")
, rExport(rExp)
, pCurrentChangesList(NULL)
{
}
XMLRedlineExport::~XMLRedlineExport()
{
// delete changes lists
for( ChangesMapType::iterator aIter = aChangeMap.begin();
aIter != aChangeMap.end();
++aIter )
{
delete aIter->second;
}
aChangeMap.clear();
}
void XMLRedlineExport::ExportChange(
const Reference<XPropertySet> & rPropSet,
sal_Bool bAutoStyle)
{
if (bAutoStyle)
{
// For the headers/footers, we have to collect the autostyles
// here. For the general case, however, it's better to collet
// the autostyles by iterating over the global redline
// list. So that's what we do: Here, we collect autostyles
// only if we have no current list of changes. For the
// main-document case, the autostyles are collected in
// ExportChangesListAutoStyles().
if (pCurrentChangesList != NULL)
ExportChangeAutoStyle(rPropSet);
}
else
{
ExportChangeInline(rPropSet);
}
}
void XMLRedlineExport::ExportChangesList(sal_Bool bAutoStyles)
{
if (bAutoStyles)
{
ExportChangesListAutoStyles();
}
else
{
ExportChangesListElements();
}
}
void XMLRedlineExport::ExportChangesList(
const Reference<XText> & rText,
sal_Bool bAutoStyles)
{
// in the header/footer case, auto styles are collected from the
// inline change elements.
if (bAutoStyles)
return;
// look for changes list for this XText
ChangesMapType::iterator aFind = aChangeMap.find(rText);
if (aFind != aChangeMap.end())
{
ChangesListType* pChangesList = aFind->second;
// export only if changes are found
if (pChangesList->size() > 0)
{
// changes container element
SvXMLElementExport aChanges(rExport, XML_NAMESPACE_TEXT,
XML_TRACKED_CHANGES,
sal_True, sal_True);
// iterate over changes list
for( ChangesListType::iterator aIter = pChangesList->begin();
aIter != pChangesList->end();
++aIter )
{
ExportChangedRegion( *aIter );
}
}
// else: changes list empty -> ignore
}
// else: no changes list found -> empty
}
void XMLRedlineExport::SetCurrentXText(
const Reference<XText> & rText)
{
if (rText.is())
{
// look for appropriate list in map; use the found one, or create new
ChangesMapType::iterator aIter = aChangeMap.find(rText);
if (aIter == aChangeMap.end())
{
ChangesListType* pList = new ChangesListType;
aChangeMap[rText] = pList;
pCurrentChangesList = pList;
}
else
pCurrentChangesList = aIter->second;
}
else
{
// don't record changes
SetCurrentXText();
}
}
void XMLRedlineExport::SetCurrentXText()
{
pCurrentChangesList = NULL;
}
void XMLRedlineExport::ExportChangesListElements()
{
// get redlines (aka tracked changes) from the model
Reference<XRedlinesSupplier> xSupplier(rExport.GetModel(), uno::UNO_QUERY);
if (xSupplier.is())
{
Reference<XEnumerationAccess> aEnumAccess = xSupplier->getRedlines();
// redline protection key
Reference<XPropertySet> aDocPropertySet( rExport.GetModel(),
uno::UNO_QUERY );
// redlining enabled?
sal_Bool bEnabled = *(sal_Bool*)aDocPropertySet->getPropertyValue(
sRecordChanges ).getValue();
// only export if we have redlines or attributes
if ( aEnumAccess->hasElements() || bEnabled )
{
// export only if we have changes, but tracking is not enabled
if ( !bEnabled != !aEnumAccess->hasElements() )
{
rExport.AddAttribute(
XML_NAMESPACE_TEXT, XML_TRACK_CHANGES,
bEnabled ? XML_TRUE : XML_FALSE );
}
// changes container element
SvXMLElementExport aChanges(rExport, XML_NAMESPACE_TEXT,
XML_TRACKED_CHANGES,
sal_True, sal_True);
// get enumeration and iterate over elements
Reference<XEnumeration> aEnum = aEnumAccess->createEnumeration();
while (aEnum->hasMoreElements())
{
Any aAny = aEnum->nextElement();
Reference<XPropertySet> xPropSet;
aAny >>= xPropSet;
DBG_ASSERT(xPropSet.is(),
"can't get XPropertySet; skipping Redline");
if (xPropSet.is())
{
// export only if not in header or footer
// (those must be exported with their XText)
aAny = xPropSet->getPropertyValue(sIsInHeaderFooter);
if (! *(sal_Bool*)aAny.getValue())
{
// and finally, export change
ExportChangedRegion(xPropSet);
}
}
// else: no XPropertySet -> no export
}
}
// else: no redlines -> no export
}
// else: no XRedlineSupplier -> no export
}
void XMLRedlineExport::ExportChangeAutoStyle(
const Reference<XPropertySet> & rPropSet)
{
// record change (if changes should be recorded)
if (NULL != pCurrentChangesList)
{
// put redline in list if it's collapsed or the redline start
Any aIsStart = rPropSet->getPropertyValue(sIsStart);
Any aIsCollapsed = rPropSet->getPropertyValue(sIsCollapsed);
if ( *(sal_Bool*)aIsStart.getValue() ||
*(sal_Bool*)aIsCollapsed.getValue() )
pCurrentChangesList->push_back(rPropSet);
}
// get XText for export of redline auto styles
Any aAny = rPropSet->getPropertyValue(sRedlineText);
Reference<XText> xText;
aAny >>= xText;
if (xText.is())
{
// export the auto styles
rExport.GetTextParagraphExport()->collectTextAutoStyles(xText);
}
}
void XMLRedlineExport::ExportChangesListAutoStyles()
{
// get redlines (aka tracked changes) from the model
Reference<XRedlinesSupplier> xSupplier(rExport.GetModel(), uno::UNO_QUERY);
if (xSupplier.is())
{
Reference<XEnumerationAccess> aEnumAccess = xSupplier->getRedlines();
// only export if we actually have redlines
if (aEnumAccess->hasElements())
{
// get enumeration and iterate over elements
Reference<XEnumeration> aEnum = aEnumAccess->createEnumeration();
while (aEnum->hasMoreElements())
{
Any aAny = aEnum->nextElement();
Reference<XPropertySet> xPropSet;
aAny >>= xPropSet;
DBG_ASSERT(xPropSet.is(),
"can't get XPropertySet; skipping Redline");
if (xPropSet.is())
{
// export only if not in header or footer
// (those must be exported with their XText)
aAny = xPropSet->getPropertyValue(sIsInHeaderFooter);
if (! *(sal_Bool*)aAny.getValue())
{
ExportChangeAutoStyle(xPropSet);
}
}
}
}
}
}
void XMLRedlineExport::ExportChangeInline(
const Reference<XPropertySet> & rPropSet)
{
// determine element name (depending on collapsed, start/end)
enum XMLTokenEnum eElement = XML_TOKEN_INVALID;
Any aAny = rPropSet->getPropertyValue(sIsCollapsed);
sal_Bool bCollapsed = *(sal_Bool *)aAny.getValue();
sal_Bool bStart = sal_True; // ignored if bCollapsed = sal_True
if (bCollapsed)
{
eElement = XML_CHANGE;
}
else
{
aAny = rPropSet->getPropertyValue(sIsStart);
bStart = *(sal_Bool *)aAny.getValue();
eElement = bStart ? XML_CHANGE_START : XML_CHANGE_END;
}
if (XML_TOKEN_INVALID != eElement)
{
// we always need the ID
rExport.AddAttribute(XML_NAMESPACE_TEXT, XML_CHANGE_ID,
GetRedlineID(rPropSet));
// export the element (no whitespace because we're in the text body)
SvXMLElementExport aChangeElem(rExport, XML_NAMESPACE_TEXT,
eElement, sal_False, sal_False);
}
}
void XMLRedlineExport::ExportChangedRegion(
const Reference<XPropertySet> & rPropSet)
{
// Redline-ID
rExport.AddAttributeIdLegacy(XML_NAMESPACE_TEXT, GetRedlineID(rPropSet));
// merge-last-paragraph
Any aAny = rPropSet->getPropertyValue(sMergeLastPara);
if( ! *(sal_Bool*)aAny.getValue() )
rExport.AddAttribute(XML_NAMESPACE_TEXT, XML_MERGE_LAST_PARAGRAPH,
XML_FALSE);
// export change region element
SvXMLElementExport aChangedRegion(rExport, XML_NAMESPACE_TEXT,
XML_CHANGED_REGION, sal_True, sal_True);
// scope for (first) change element
{
aAny = rPropSet->getPropertyValue(sRedlineType);
OUString sType;
aAny >>= sType;
SvXMLElementExport aChange(rExport, XML_NAMESPACE_TEXT,
ConvertTypeName(sType), sal_True, sal_True);
ExportChangeInfo(rPropSet);
// get XText from the redline and export (if the XText exists)
aAny = rPropSet->getPropertyValue(sRedlineText);
Reference<XText> xText;
aAny >>= xText;
if (xText.is())
{
rExport.GetTextParagraphExport()->exportText(xText);
// default parameters: bProgress, bExportParagraph ???
}
// else: no text interface -> content is inline and will
// be exported there
}
// changed change? Hierarchical changes can onl be two levels
// deep. Here we check for the second level.
aAny = rPropSet->getPropertyValue(sRedlineSuccessorData);
Sequence<PropertyValue> aSuccessorData;
aAny >>= aSuccessorData;
// if we actually got a hierarchical change, make element and
// process change info
if (aSuccessorData.getLength() > 0)
{
// The only change that can be "undone" is an insertion -
// after all, you can't re-insert an deletion, but you can
// delete an insertion. This assumption is asserted in
// ExportChangeInfo(Sequence<PropertyValue>&).
SvXMLElementExport aSecondChangeElem(
rExport, XML_NAMESPACE_TEXT, XML_INSERTION,
sal_True, sal_True);
ExportChangeInfo(aSuccessorData);
}
// else: no hierarchical change
}
const OUString XMLRedlineExport::ConvertTypeName(
const OUString& sApiName)
{
if (sApiName == sDelete)
{
return sDeletion;
}
else if (sApiName == sInsert)
{
return sInsertion;
}
else if (sApiName == sFormat)
{
return sFormatChange;
}
else
{
OSL_FAIL("unknown redline type");
return sUnknownChange;
}
}
/** Create a Redline-ID */
const OUString XMLRedlineExport::GetRedlineID(
const Reference<XPropertySet> & rPropSet)
{
Any aAny = rPropSet->getPropertyValue(sRedlineIdentifier);
OUString sTmp;
aAny >>= sTmp;
OUStringBuffer sBuf(sChangePrefix);
sBuf.append(sTmp);
return sBuf.makeStringAndClear();
}
void XMLRedlineExport::ExportChangeInfo(
const Reference<XPropertySet> & rPropSet)
{
SvXMLElementExport aChangeInfo(rExport, XML_NAMESPACE_OFFICE,
XML_CHANGE_INFO, sal_True, sal_True);
Any aAny = rPropSet->getPropertyValue(sRedlineAuthor);
OUString sTmp;
aAny >>= sTmp;
if (!sTmp.isEmpty())
{
SvXMLElementExport aCreatorElem( rExport, XML_NAMESPACE_DC,
XML_CREATOR, sal_True,
sal_False );
rExport.Characters(sTmp);
}
aAny = rPropSet->getPropertyValue(sRedlineDateTime);
util::DateTime aDateTime;
aAny >>= aDateTime;
{
OUStringBuffer sBuf;
::sax::Converter::convertDateTime(sBuf, aDateTime, 0);
SvXMLElementExport aDateElem( rExport, XML_NAMESPACE_DC,
XML_DATE, sal_True,
sal_False );
rExport.Characters(sBuf.makeStringAndClear());
}
// comment as <text:p> sequence
aAny = rPropSet->getPropertyValue(sRedlineComment);
aAny >>= sTmp;
WriteComment( sTmp );
}
void XMLRedlineExport::ExportChangeInfo(
const Sequence<PropertyValue> & rPropertyValues)
{
OUString sComment;
sal_Int32 nCount = rPropertyValues.getLength();
for(sal_Int32 i = 0; i < nCount; i++)
{
const PropertyValue& rVal = rPropertyValues[i];
if( rVal.Name.equals(sRedlineAuthor) )
{
OUString sTmp;
rVal.Value >>= sTmp;
if (!sTmp.isEmpty())
{
rExport.AddAttribute(XML_NAMESPACE_OFFICE, XML_CHG_AUTHOR, sTmp);
}
}
else if( rVal.Name.equals(sRedlineComment) )
{
rVal.Value >>= sComment;
}
else if( rVal.Name.equals(sRedlineDateTime) )
{
util::DateTime aDateTime;
rVal.Value >>= aDateTime;
OUStringBuffer sBuf;
::sax::Converter::convertDateTime(sBuf, aDateTime, 0);
rExport.AddAttribute(XML_NAMESPACE_OFFICE, XML_CHG_DATE_TIME,
sBuf.makeStringAndClear());
}
else if( rVal.Name.equals(sRedlineType) )
{
// check if this is an insertion; cf. comment at calling location
OUString sTmp;
rVal.Value >>= sTmp;
DBG_ASSERT(sTmp.equals(sInsert),
"hierarchical change must be insertion");
}
// else: unknown value -> ignore
}
// finally write element
SvXMLElementExport aChangeInfo(rExport, XML_NAMESPACE_OFFICE,
XML_CHANGE_INFO, sal_True, sal_True);
WriteComment( sComment );
}
void XMLRedlineExport::ExportStartOrEndRedline(
const Reference<XPropertySet> & rPropSet,
sal_Bool bStart)
{
if( ! rPropSet.is() )
return;
// get appropriate (start or end) property
Any aAny;
try
{
aAny = rPropSet->getPropertyValue(bStart ? sStartRedline : sEndRedline);
}
catch(const UnknownPropertyException&)
{
// If we don't have the property, there's nothing to do.
return;
}
Sequence<PropertyValue> aValues;
aAny >>= aValues;
const PropertyValue* pValues = aValues.getConstArray();
// seek for redline properties
sal_Bool bIsCollapsed = sal_False;
sal_Bool bIsStart = sal_True;
OUString sId;
sal_Bool bIdOK = sal_False; // have we seen an ID?
sal_Int32 nLength = aValues.getLength();
for(sal_Int32 i = 0; i < nLength; i++)
{
if (sRedlineIdentifier.equals(pValues[i].Name))
{
pValues[i].Value >>= sId;
bIdOK = sal_True;
}
else if (sIsCollapsed.equals(pValues[i].Name))
{
bIsCollapsed = *(sal_Bool*)pValues[i].Value.getValue();
}
else if (sIsStart.equals(pValues[i].Name))
{
bIsStart = *(sal_Bool*)pValues[i].Value.getValue();
}
}
if( bIdOK )
{
DBG_ASSERT( !sId.isEmpty(), "Redlines must have IDs" );
// TODO: use GetRedlineID or elimiate that function
OUStringBuffer sBuffer(sChangePrefix);
sBuffer.append(sId);
rExport.AddAttribute(XML_NAMESPACE_TEXT, XML_CHANGE_ID,
sBuffer.makeStringAndClear());
// export the element
// (whitespace because we're not inside paragraphs)
SvXMLElementExport aChangeElem(
rExport, XML_NAMESPACE_TEXT,
bIsCollapsed ? XML_CHANGE :
( bIsStart ? XML_CHANGE_START : XML_CHANGE_END ),
sal_True, sal_True);
}
}
void XMLRedlineExport::ExportStartOrEndRedline(
const Reference<XTextContent> & rContent,
sal_Bool bStart)
{
Reference<XPropertySet> xPropSet(rContent, uno::UNO_QUERY);
if (xPropSet.is())
{
ExportStartOrEndRedline(xPropSet, bStart);
}
else
{
OSL_FAIL("XPropertySet expected");
}
}
void XMLRedlineExport::ExportStartOrEndRedline(
const Reference<XTextSection> & rSection,
sal_Bool bStart)
{
Reference<XPropertySet> xPropSet(rSection, uno::UNO_QUERY);
if (xPropSet.is())
{
ExportStartOrEndRedline(xPropSet, bStart);
}
else
{
OSL_FAIL("XPropertySet expected");
}
}
void XMLRedlineExport::WriteComment(const OUString& rComment)
{
if (!rComment.isEmpty())
{
// iterate over all string-pieces separated by return (0x0a) and
// put each inside a paragraph element.
SvXMLTokenEnumerator aEnumerator(rComment, sal_Char(0x0a));
OUString aSubString;
while (aEnumerator.getNextToken(aSubString))
{
SvXMLElementExport aParagraph(
rExport, XML_NAMESPACE_TEXT, XML_P, sal_True, sal_False);
rExport.Characters(aSubString);
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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