tdf#121435 OOXML export: fixing linestyle export in charts

Fixing linestyle export of chart wall (plot area) and chart page.

Change-Id: Id5265110352d393d9c3e01ff55cea0770d4e0cef
Reviewed-on: https://gerrit.libreoffice.org/63418
Tested-by: Jenkins
Reviewed-by: László Németh <nemeth@numbertext.org>
Tested-by: László Németh <nemeth@numbertext.org>

oox/source/export/drawingml.cxx

@@ -671,15 +671,26 @@ void DrawingML::WriteOutline( const Reference<XPropertySet>& rXPropSet, Referenc
                         aAny >>= aLineDash;
                     }
                 }
-                bDashSet = true;
-                if (aLineDash.Style == DashStyle_ROUND || aLineDash.Style == DashStyle_ROUNDRELATIVE)
-                {
-                    cap = "rnd";
+            }
+            else
+            {
+                //export the linestyle of chart wall (plot area) and chart page
+                OUString aLineDashName;
+                GET(aLineDashName, LineDashName);
+                if (!aLineDashName.isEmpty() && xModel) {
+                    css::uno::Any aAny = getLineDash(xModel, aLineDashName);
+                    aAny >>= aLineDash;
                 }
-
-                SAL_INFO("oox.shape", "dash dots: " << aLineDash.Dots << " dashes: " << aLineDash.Dashes
-                        << " dotlen: " << aLineDash.DotLen << " dashlen: " << aLineDash.DashLen <<  " distance: " <<  aLineDash.Distance);
             }
+            bDashSet = true;
+            if (aLineDash.Style == DashStyle_ROUND || aLineDash.Style == DashStyle_ROUNDRELATIVE)
+            {
+                cap = "rnd";
+            }
+
+            SAL_INFO("oox.shape", "dash dots: " << aLineDash.Dots << " dashes: " << aLineDash.Dashes
+                    << " dotlen: " << aLineDash.DotLen << " dashlen: " << aLineDash.DashLen << " distance: " <<  aLineDash.Distance);
+
             SAL_FALLTHROUGH;
         case drawing::LineStyle_SOLID:
         default:

sw/qa/extras/ooxmlexport/ooxmlexport11.cxx

@@ -747,6 +747,20 @@ DECLARE_OOXMLEXPORT_TEST(testChart_BorderLine_Style, "Chart_BorderLine_Style.doc
     assertXPath(pXmlDoc, "/c:chartSpace/c:chart/c:plotArea/c:barChart/c:ser[3]/c:spPr/a:ln/a:prstDash", "val", "dash");
 }
 
+DECLARE_OOXMLEXPORT_TEST(testChart_Plot_BorderLine_Style, "Chart_Plot_BorderLine_Style.docx")
+{
+    /* DOCX containing Chart wall (plot area) and Chart Page with BorderLine Style as Dash Type
+     * should get preserved inside an XML tag <a:prstDash> with value "dash", "sysDot, "lgDot", etc.
+     */
+    xmlDocPtr pXmlDoc = parseExport("word/charts/chart1.xml");
+    if (!pXmlDoc)
+        return;
+
+    assertXPath(pXmlDoc, "/c:chartSpace/c:chart/c:plotArea/c:spPr/a:ln/a:prstDash", "val", "lgDashDot");
+    assertXPath(pXmlDoc, "/c:chartSpace/c:spPr/a:ln/a:prstDash", "val", "sysDash");
+
+}
+
 DECLARE_OOXMLEXPORT_TEST(testTrackChangesDeletedEmptyParagraph, "testTrackChangesDeletedEmptyParagraph.docx")
 {
     xmlDocPtr pXmlDoc = parseExport("word/document.xml");