tdf#104823: basic support for reading field data from databinding

Change-Id: Ie45eb18205c1c54a631303b45887e54e456b6d5d
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/125550
Tested-by: Jenkins
Reviewed-by: Vasily Melenchuk <vasily.melenchuk@cib.de>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/127129
Tested-by: Thorsten Behrens <thorsten.behrens@allotropia.de>
Reviewed-by: Thorsten Behrens <thorsten.behrens@allotropia.de>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/130042
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>

1 files changed, 46 insertions, 1 deletions

diff --git a/writerfilter/source/dmapper/SdtHelper.cxx b/writerfilter/source/dmapper/SdtHelper.cxx
index d64f6aaf5b55..58252661ef20 100644
--- a/writerfilter/source/dmapper/SdtHelper.cxx
+++ b/writerfilter/source/dmapper/SdtHelper.cxx
@@ -20,12 +20,19 @@
 #include "DomainMapper_Impl.hxx"
 #include "StyleSheetTable.hxx"
 #include <officecfg/Office/Writer.hxx>
+#include <com/sun/star/util/XRefreshable.hpp>
+#include <com/sun/star/text/XTextFieldsSupplier.hpp>
+#include <ooxml/OOXMLDocument.hxx>
+#include <com/sun/star/xml/xpath/XPathAPI.hpp>
+#include <com/sun/star/xml/dom/XNode.hpp>
 
 namespace writerfilter
 {
 namespace dmapper
+
 {
 using namespace ::com::sun::star;
+using namespace ::css::xml::xpath;
 
 /// w:sdt's w:dropDownList doesn't have width, so guess the size based on the longest string.
 static awt::Size lcl_getOptimalWidth(const StyleSheetTablePtr& pStyleSheet,
@@ -68,8 +75,10 @@ static awt::Size lcl_getOptimalWidth(const StyleSheetTablePtr& pStyleSheet,
     return { nWidth + nBorder + nHeight, nHeight + nBorder };
 }
 
-SdtHelper::SdtHelper(DomainMapper_Impl& rDM_Impl)
+SdtHelper::SdtHelper(DomainMapper_Impl& rDM_Impl,
+                     css::uno::Reference<css::uno::XComponentContext> const& xContext)
     : m_rDM_Impl(rDM_Impl)
+    , m_xComponentContext(xContext)
     , m_aControlType(SdtControlType::unknown)
     , m_bHasElements(false)
     , m_bOutsideAParagraph(false)
@@ -78,6 +87,37 @@ SdtHelper::SdtHelper(DomainMapper_Impl& rDM_Impl)
 
 SdtHelper::~SdtHelper() = default;
 
+std::optional<OUString> SdtHelper::getValueFromDataBinding()
+{
+    // No xpath - nothing to do
+    if (m_sDataBindingXPath.isEmpty())
+        return {};
+
+    writerfilter::ooxml::OOXMLDocument* pDocument = m_rDM_Impl.getDocumentReference();
+    assert(pDocument);
+    if (!pDocument)
+        return {};
+
+    // Iterate all custom xmls documents and evaluate xpath to get value
+    uno::Sequence<uno::Reference<xml::dom::XDocument>> aCustomXmls
+        = pDocument->getCustomXmlDomList();
+    for (const auto& xCustomXml : aCustomXmls)
+    {
+        uno::Reference<XXPathAPI> xXpathAPI = XPathAPI::create(m_xComponentContext);
+
+        //xXpathAPI->registerNS("ns0", m_sDataBindingPrefixMapping);
+        xXpathAPI->registerNS("ns0", "http://schemas.microsoft.com/vsto/samples");
+        uno::Reference<XXPathObject> xResult = xXpathAPI->eval(xCustomXml, m_sDataBindingXPath);
+
+        if (xResult.is())
+        {
+            return xResult->getString();
+        }
+    }
+
+    return {};
+}
+
 void SdtHelper::createDropDownControl()
 {
     assert(getControlType() == SdtControlType::dropDown);
@@ -189,6 +229,11 @@ void SdtHelper::createDateContentControl()
                                         uno::makeAny(m_sLocale.makeStringAndClear()));
             }
             OUString sFullDate = m_sDate.makeStringAndClear();
+
+            std::optional<OUString> oData = getValueFromDataBinding();
+            if (oData.has_value())
+                sFullDate = *oData;
+
             if (!sFullDate.isEmpty())
             {
                 sal_Int32 nTimeSep = sFullDate.indexOf("T");