add UNO API loadStylesFromDocument

avoid opening again a document that is already available
apply to calc - refactoring ScStyleFamiliesObj::loadStylesFromURL

Change-Id: I6b26c91265dcafa73b472bc68ee684ba0733b0ac
Reviewed-on: https://gerrit.libreoffice.org/10214Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
Tested-by: Markus Mohrhard <markus.mohrhard@googlemail.com>

offapi/UnoApi_offapi.mk

@@ -3576,6 +3576,7 @@ $(eval $(call gb_UnoApi_add_idlfiles,offapi,com/sun/star/style,\
 	XStyle \
 	XStyleFamiliesSupplier \
 	XStyleLoader \
+	XStyleLoader2 \
 	XStyleSupplier \
 ))
 $(eval $(call gb_UnoApi_add_idlfiles,offapi,com/sun/star/svg,\

offapi/com/sun/star/style/XStyleLoader2.idl

+/* -*- 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/.
+ */
+
+#ifndef __com_sun_star_style_XStyleLoader2_idl__
+#define __com_sun_star_style_XStyleLoader2_idl__
+
+#include <com/sun/star/beans/PropertyValue.idl>
+#include <com/sun/star/io/IOException.idl>
+#include <com/sun/star/lang/XComponent.idl>
+
+
+module com {  module sun {  module star {  module style {
+
+/** extends XStyleLoader interface to import styles from an already opened calc or writer component.
+
+    @see com::sun::star::style::XStyleLoader
+ */
+interface XStyleLoader2: com::sun::star::style::XStyleLoader
+{
+    /** loads styles from a given document
+        <p>
+         @param aSourceComponent
+             a valid XComponent reference to source doc (calc or writer)
+         @param aOptions
+             Specifies which of the Style families the method should load.
+         The <code>sequence<PropertyValue></code> has the following, optional items:
+         <ul>
+        <li> boolean LoadCellStyles </li>
+        <li> boolean LoadTextStyles </li>
+        <li> boolean LoadFrameStyles </li>
+        <li> boolean LoadPageStyles </li>
+        <li> boolean LoadNumberingStyles </li>
+        <li> boolean OverwriteStyles</li>
+        </ul>
+        If <var>OverwriteStyles</var> is `TRUE`, then all styles
+        will be loaded.  Otherwise, only styles which are not already
+        defined in this document are loaded.</p>
+     <p>As the default, all supported style families are loaded and existing styles are overwritten.</p>
+     */
+    void loadStylesFromDocument( [in] com::sun::star::lang::XComponent aSourceComponent,
+             [in] sequence<com::sun::star::beans::PropertyValue> aOptions )
+            raises( com::sun::star::io::IOException );
+};
+
+
+}; }; }; };
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

sc/inc/styleuno.hxx

@@ -25,7 +25,7 @@
 #include <rsc/rscsfx.hxx>
 #include <com/sun/star/container/XIndexAccess.hpp>
 #include <com/sun/star/style/XStyle.hpp>
-#include <com/sun/star/style/XStyleLoader.hpp>
+#include <com/sun/star/style/XStyleLoader2.hpp>
 #include <com/sun/star/lang/XServiceInfo.hpp>
 #include <com/sun/star/container/XNameContainer.hpp>
 #include <com/sun/star/container/XIndexReplace.hpp>
@@ -36,9 +36,12 @@
 #include <com/sun/star/lang/XUnoTunnel.hpp>
 #include <cppuhelper/implbase4.hxx>
 #include <cppuhelper/implbase7.hxx>
+#include <com/sun/star/lang/XComponent.hpp>
+
 
 class SfxStyleSheetBase;
 class ScDocShell;
+class SfxObjectShell;
 
 class ScStyleFamilyObj;
 class ScStyleObj;
@@ -46,7 +49,7 @@ class ScStyleObj;
 class ScStyleFamiliesObj : public ::cppu::WeakImplHelper4<
                             ::com::sun::star::container::XIndexAccess,
                             ::com::sun::star::container::XNameAccess,
-                            ::com::sun::star::style::XStyleLoader,
+                            ::com::sun::star::style::XStyleLoader2,
                             ::com::sun::star::lang::XServiceInfo >,
                         public SfxListener
 {
@@ -94,6 +97,12 @@ public:
     virtual ::com::sun::star::uno::Sequence< ::com::sun::star::beans::PropertyValue > SAL_CALL
                             getStyleLoaderOptions() throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
 
+                            //XStyleLoader2
+    virtual void SAL_CALL   loadStylesFromDocument( const ::com::sun::star::uno::Reference <::com::sun::star::lang::XComponent> & aSourceComponent,
+                                const ::com::sun::star::uno::Sequence<
+                                    ::com::sun::star::beans::PropertyValue >& aOptions )
+                                        throw(::com::sun::star::io::IOException,
+                                            ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
                             // XServiceInfo
     virtual OUString SAL_CALL getImplementationName()
                                 throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
@@ -101,6 +110,12 @@ public:
                                 throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
     virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames()
                                 throw(::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
+private:
+    void loadStylesFromDocShell( ScDocShell* pSource,
+                              const ::com::sun::star::uno::Sequence<
+                                   ::com::sun::star::beans::PropertyValue>& aOptions )
+                                throw(::com::sun::star::io::IOException,
+                                            ::com::sun::star::uno::RuntimeException, std::exception);
 };
 
 class ScStyleFamilyObj : public ::cppu::WeakImplHelper4<

sc/source/ui/unoobj/styleuno.cxx

@@ -535,6 +535,52 @@ void SAL_CALL ScStyleFamiliesObj::loadStylesFromURL( const OUString& aURL,
     ScDocumentLoader aLoader( aURL, aFilter, aFiltOpt );
 
     ScDocShell* pSource = aLoader.GetDocShell();
+
+    loadStylesFromDocShell(pSource, aOptions);
+}
+
+uno::Sequence<beans::PropertyValue> SAL_CALL ScStyleFamiliesObj::getStyleLoaderOptions()
+                                                throw(uno::RuntimeException, std::exception)
+{
+    //  return defaults for options (?)
+
+    uno::Sequence<beans::PropertyValue> aSequence(3);
+    beans::PropertyValue* pArray = aSequence.getArray();
+
+    pArray[0].Name = OUString(SC_UNONAME_OVERWSTL );
+    ScUnoHelpFunctions::SetBoolInAny( pArray[0].Value, true );
+
+    pArray[1].Name = OUString(SC_UNONAME_LOADCELL );
+    ScUnoHelpFunctions::SetBoolInAny( pArray[1].Value, true );
+
+    pArray[2].Name = OUString(SC_UNONAME_LOADPAGE );
+    ScUnoHelpFunctions::SetBoolInAny( pArray[2].Value, true );
+
+    return aSequence;
+}
+
+// style::XStyleLoader2
+
+void SAL_CALL ScStyleFamiliesObj::loadStylesFromDocument( const uno::Reference < lang::XComponent > & aSourceComponent,
+                        const uno::Sequence<beans::PropertyValue>& aOptions )
+                                throw(io::IOException, uno::RuntimeException, std::exception)
+{
+   // Source document docShell
+   if ( !aSourceComponent.is() )
+        throw uno::RuntimeException();
+
+   ScDocShell* pDocShellSrc = dynamic_cast<ScDocShell*> (SfxObjectShell::GetShellFromComponent(aSourceComponent));
+
+   loadStylesFromDocShell(pDocShellSrc, aOptions);
+}
+
+// private
+
+void ScStyleFamiliesObj::loadStylesFromDocShell( ScDocShell* pSource,
+                        const uno::Sequence<beans::PropertyValue>& aOptions )
+                                throw(io::IOException, uno::RuntimeException, std::exception)
+{
+
     if ( pSource && pDocShell )
     {
         //  collect options
@@ -563,26 +609,6 @@ void SAL_CALL ScStyleFamiliesObj::loadStylesFromURL( const OUString& aURL,
     }
 }
 
-uno::Sequence<beans::PropertyValue> SAL_CALL ScStyleFamiliesObj::getStyleLoaderOptions()
-                                                throw(uno::RuntimeException, std::exception)
-{
-    //  return defaults for options (?)
-
-    uno::Sequence<beans::PropertyValue> aSequence(3);
-    beans::PropertyValue* pArray = aSequence.getArray();
-
-    pArray[0].Name = OUString(SC_UNONAME_OVERWSTL );
-    ScUnoHelpFunctions::SetBoolInAny( pArray[0].Value, true );
-
-    pArray[1].Name = OUString(SC_UNONAME_LOADCELL );
-    ScUnoHelpFunctions::SetBoolInAny( pArray[1].Value, true );
-
-    pArray[2].Name = OUString(SC_UNONAME_LOADPAGE );
-    ScUnoHelpFunctions::SetBoolInAny( pArray[2].Value, true );
-
-    return aSequence;
-}
-
 ScStyleFamilyObj::ScStyleFamilyObj(ScDocShell* pDocSh, SfxStyleFamily eFam) :
     pDocShell( pDocSh ),
     eFamily( eFam )