update gradients in sidebar as well

Change-Id: I0dc737c133e905d75fab23457fb86c8d2b724ce8

chart2/source/controller/inc/ChartController.hxx

@@ -127,6 +127,7 @@ class ChartWindow;
 class DrawModelWrapper;
 class DrawViewWrapper;
 class ReferenceSizeProvider;
+class ViewElementListProvider;
 
 class ChartController   : public ::cppu::WeakImplHelper12 <
          ::com::sun::star::frame::XController   //comprehends XComponent (required interface)
@@ -433,6 +434,8 @@ public:
 
     bool isShapeContext() const;
 
+    ViewElementListProvider getViewElementListProvider();
+
     DECL_LINK( NotifyUndoActionHdl, SdrUndoAction* );
 
 public:

chart2/source/controller/main/ChartController.cxx

@@ -43,6 +43,7 @@
 #include "DrawCommandDispatch.hxx"
 #include "ShapeController.hxx"
 #include "UndoActions.hxx"
+#include "ViewElementListProvider.hxx"
 
 #include <comphelper/InlineContainer.hxx>
 #include <cppuhelper/supportsservice.hxx>
@@ -1623,6 +1624,11 @@ void ChartController::impl_initializeAccessible( const uno::Reference< lang::XIn
         ;
 }
 
+ViewElementListProvider ChartController::getViewElementListProvider()
+{
+    return ViewElementListProvider(m_pDrawModelWrapper.get());
+}
+
 } //namespace chart
 
 extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface * SAL_CALL

chart2/source/controller/sidebar/ChartAreaPanel.cxx

@@ -10,6 +10,7 @@
 #include "ChartAreaPanel.hxx"
 
 #include "ChartController.hxx"
+#include "ViewElementListProvider.hxx"
 
 #include <svx/xfltrit.hxx>
 #include <svx/xflftrit.hxx>
@@ -42,6 +43,33 @@ css::uno::Reference<css::beans::XPropertySet> getPropSet(
     return ObjectIdentifier::getObjectPropertySet(aCID, xModel);
 }
 
+XGradient getXGradientForName(css::uno::Reference<css::frame::XModel> xModel,
+        const OUString& rName)
+{
+    css::uno::Reference<css::frame::XController>xController = xModel->getCurrentController();
+    if (!xController.is())
+        return XGradient();
+
+    ChartController* pController = dynamic_cast<ChartController*>(xController.get());
+    if (!pController)
+        return XGradient();
+
+    ViewElementListProvider aProvider = pController->getViewElementListProvider();
+    XGradientListRef aRef = aProvider.GetGradientList();
+    size_t n = aRef->Count();
+    for (size_t i = 0; i < n; ++i)
+    {
+        XGradientEntry* pGradient = aRef->GetGradient(i);
+        if (!pGradient)
+            continue;
+
+        if (pGradient->GetName() == rName)
+            return XGradient(pGradient->GetGradient());
+    }
+
+    return XGradient();
+}
+
 class PreventUpdate
 {
 public:
@@ -215,6 +243,12 @@ void ChartAreaPanel::updateData()
     xPropSet->getPropertyValue("Transparency") >>= nFillTransparence;
     SfxUInt16Item aTransparenceItem(0, nFillTransparence);
     updateFillTransparence(false, true, &aTransparenceItem);
+
+    OUString aGradientName;
+    xPropSet->getPropertyValue("GradientName") >>= aGradientName;
+    XGradient xGradient = getXGradientForName(mxModel, aGradientName);
+    XFillGradientItem aGradientItem(aGradientName, xGradient);
+    updateFillGradient(false, true, &aGradientItem);
 }
 
 void ChartAreaPanel::modelInvalid()