Adds print even pages/print odd pages options in print dialog

Change-Id: I17733d83cc652be8c5abaf20cd4b5e23d3a577a1
Reviewed-on: https://gerrit.libreoffice.org/57380
Tested-by: Jenkins
Reviewed-by: Daniel Silva <danielfaleirosilva@gmail.com>
(cherry picked from commit faf2b0f165e9d9e3160e5d54e3d2e9973facf0b8)

3 files changed, 38 insertions, 4 deletions

diff --git a/basctl/inc/strings.hrc b/basctl/inc/strings.hrc
index db479a4f17f6..a39ba9d76c04 100644
--- a/basctl/inc/strings.hrc
+++ b/basctl/inc/strings.hrc
@@ -100,6 +100,8 @@
 #define RID_STR_PRINTDLG_PAGES              NC_("RID_STR_PRINTDLG_PAGES", "Pages:")
 #define RID_STR_PRINTDLG_PRINTALLPAGES      NC_("RID_STR_PRINTDLG_PRINTALLPAGES", "Print all pages")
 #define RID_STR_PRINTDLG_PRINTPAGES         NC_("RID_STR_PRINTDLG_PRINTPAGES", "Print pages")
+#define RID_STR_PRINTDLG_PRINTEVENPAGES     NC_("RID_STR_PRINTDLG_PRINTEVENPAGES", "Print even pages")
+#define RID_STR_PRINTDLG_PRINTODDPAGES      NC_("RID_STR_PRINTDLG_PRINTODDPAGES", "Print odd pages")
 #define RID_STR_BTNDEL                      NC_("RID_STR_BTNDEL", "~Delete")
 #define RID_STR_BTNNEW                      NC_("RID_STR_BTNNEW", "~New")
 #define RID_STR_CHOOSE                      NC_("RID_STR_CHOOSE", "Choose")
diff --git a/basctl/source/basicide/basicrenderable.cxx b/basctl/source/basicide/basicrenderable.cxx
index e89adb755686..7913c8a10d75 100644
--- a/basctl/source/basicide/basicrenderable.cxx
+++ b/basctl/source/basicide/basicrenderable.cxx
@@ -48,7 +48,9 @@ Renderable::Renderable (BaseWindow* pWin)
     // create a choice for the range to print
     OUString aPrintContentName( "PrintContent" );
     const Sequence<OUString> aChoices{IDEResId(RID_STR_PRINTDLG_PRINTALLPAGES),
-                                      IDEResId(RID_STR_PRINTDLG_PRINTPAGES)};
+                                      IDEResId(RID_STR_PRINTDLG_PRINTPAGES),
+                                      IDEResId(RID_STR_PRINTDLG_PRINTEVENPAGES),
+                                      IDEResId(RID_STR_PRINTDLG_PRINTODDPAGES)};
     const Sequence<OUString> aHelpIds{".HelpID:vcl:PrintDialog:PrintContent:ListBox"};
     m_aUIProperties[1].Value = setChoiceListControlOpt( "printpagesbox", OUString(),
                                                    aHelpIds, aPrintContentName,
@@ -80,12 +82,26 @@ VclPtr< Printer > Renderable::getPrinter()
     return pPrinter;
 }
 
+bool Renderable::isPrintOddPages()
+{
+    sal_Int64 nContent = getIntValue( "PrintContent", -1 );
+    return nContent != 2;
+}
+
+bool Renderable::isPrintEvenPages()
+{
+    sal_Int64 nContent = getIntValue( "PrintContent", -1 );
+    return nContent != 3;
+}
+
 sal_Int32 SAL_CALL Renderable::getRendererCount (
         const Any&, const Sequence<beans::PropertyValue >& i_xOptions
         )
 {
     processProperties( i_xOptions );
 
+    maValidPages.clear();
+
     sal_Int32 nCount = 0;
     if( mpWindow )
     {
@@ -94,6 +110,16 @@ sal_Int32 SAL_CALL Renderable::getRendererCount (
             throw lang::IllegalArgumentException();
 
         nCount = mpWindow->countPages( pPrinter );
+
+        for (sal_Int32 nPage = 1; nPage <= nCount; nPage++)
+        {
+            if ( (isPrintEvenPages() && isOnEvenPage( nPage ))
+                || (isPrintOddPages() && !isOnEvenPage( nPage )) )
+            {
+                maValidPages.push_back( nPage-1 );
+            }
+        }
+
         sal_Int64 nContent = getIntValue( "PrintContent", -1 );
         if( nContent == 1 )
         {
@@ -106,6 +132,8 @@ sal_Int32 SAL_CALL Renderable::getRendererCount (
                     nCount = nSelCount;
             }
         }
+        else if ( nContent == 2 || nContent == 3 ) // even/odd pages
+            return static_cast<sal_Int32>( maValidPages.size() );
     }
 
     return nCount;
@@ -170,7 +198,7 @@ void SAL_CALL Renderable::render (
                 mpWindow->printPage( nRenderer, pPrinter );
         }
         else
-            mpWindow->printPage( nRenderer, pPrinter );
+            mpWindow->printPage( maValidPages.at( nRenderer ), pPrinter );
     }
 }
 
diff --git a/basctl/source/basicide/basicrenderable.hxx b/basctl/source/basicide/basicrenderable.hxx
index 412480609f0c..6f5bd29396bf 100644
--- a/basctl/source/basicide/basicrenderable.hxx
+++ b/basctl/source/basicide/basicrenderable.hxx
@@ -33,10 +33,14 @@ class Renderable :
     public cppu::WeakComponentImplHelper< css::view::XRenderable >,
     public vcl::PrinterOptionsHelper
 {
-    VclPtr<BaseWindow>  mpWindow;
-    osl::Mutex          maMutex;
+    VclPtr<BaseWindow>      mpWindow;
+    osl::Mutex              maMutex;
+    std::vector<sal_Int32>  maValidPages;
 
     VclPtr<Printer> getPrinter();
+    bool isPrintOddPages();
+    bool isPrintEvenPages();
+    static bool isOnEvenPage( sal_Int32 nPage ) { return nPage % 2 == 0; };
 public:
     explicit Renderable (BaseWindow*);
     virtual ~Renderable() override;