slide-sorter: multiple selection

Change-Id: I8624de25b0bb66020002890f33758e52059a24ab
Reviewed-on: https://gerrit.libreoffice.org/69610
Reviewed-by: Ashod Nakashian <ashnakash@gmail.com>
Tested-by: Ashod Nakashian <ashnakash@gmail.com>

4 files changed, 60 insertions, 0 deletions

diff --git a/sd/source/ui/inc/DrawViewShell.hxx b/sd/source/ui/inc/DrawViewShell.hxx
index 17587ac5be1e..bda391f71858 100644
--- a/sd/source/ui/inc/DrawViewShell.hxx
+++ b/sd/source/ui/inc/DrawViewShell.hxx
@@ -245,6 +245,8 @@ public:
     bool            SwitchPage(sal_uInt16 nPage);
     bool            IsSwitchPageAllowed() const;
 
+    bool            SelectPage(sal_uInt16 nPage, sal_uInt16 nSelect);
+
     void            GotoBookmark(const OUString& rBookmark);
     //Realize multi-selection of objects, If object is marked, the
     //corresponding entry is set true, else the corresponding entry is set
diff --git a/sd/source/ui/inc/unomodel.hxx b/sd/source/ui/inc/unomodel.hxx
index 586f3279e06b..054f7ffa8b9a 100644
--- a/sd/source/ui/inc/unomodel.hxx
+++ b/sd/source/ui/inc/unomodel.hxx
@@ -265,6 +265,9 @@ public:
     virtual Pointer getPointer() override;
     /// @see vcl::ITiledRenderable::getPostIts().
     virtual OUString getPostIts() override;
+    /// @see vcl::ITiledRenderable::selectPart().
+    virtual void selectPart(int nPart, int nSelect) override;
+
 
     // XComponent
 
diff --git a/sd/source/ui/unoidl/unomodel.cxx b/sd/source/ui/unoidl/unomodel.cxx
index 5eb8192a4e5b..44c84af76fee 100644
--- a/sd/source/ui/unoidl/unomodel.cxx
+++ b/sd/source/ui/unoidl/unomodel.cxx
@@ -2289,6 +2289,15 @@ void SdXImpressDocument::paintTile( VirtualDevice& rDevice,
                                          nTilePosX, nTilePosY, nTileWidth, nTileHeight);
 }
 
+void SdXImpressDocument::selectPart(int nPart, int nSelect)
+{
+    DrawViewShell* pViewSh = GetViewShell();
+    if (!pViewSh)
+        return;
+
+    pViewSh->SelectPage(nPart, nSelect);
+}
+
 void SdXImpressDocument::setPart( int nPart )
 {
     DrawViewShell* pViewSh = GetViewShell();
diff --git a/sd/source/ui/view/drviews1.cxx b/sd/source/ui/view/drviews1.cxx
index 976d8dd1cb7b..369ab276bbe2 100644
--- a/sd/source/ui/view/drviews1.cxx
+++ b/sd/source/ui/view/drviews1.cxx
@@ -77,6 +77,10 @@
 #include <LayerTabBar.hxx>
 #include <ViewShellManager.hxx>
 #include <ViewShellHint.hxx>
+#include <SlideSorter.hxx>
+#include <SlideSorterViewShell.hxx>
+#include <controller/SlideSorterController.hxx>
+#include <controller/SlsPageSelector.hxx>
 
 #include <sfx2/request.hxx>
 #include <comphelper/lok.hxx>
@@ -744,6 +748,48 @@ bool DrawViewShell::ActivateObject(SdrOle2Obj* pObj, long nVerb)
 }
 
 /**
+ * Mark the desired page as selected (1), deselected (0), toggle (2).
+ * nPage refers to the page in question.
+ */
+bool DrawViewShell::SelectPage(sal_uInt16 nPage, sal_uInt16 nSelect)
+{
+    bool bOK = false;
+
+    // Tell the slide sorter about the name change (necessary for
+    // accessibility.)
+    slidesorter::SlideSorterViewShell* pSlideSorterViewShell
+        = slidesorter::SlideSorterViewShell::GetSlideSorter(GetViewShellBase());
+    if (pSlideSorterViewShell != nullptr)
+    {
+        slidesorter::controller::PageSelector& aPageSelector
+            = pSlideSorterViewShell->GetSlideSorter().GetController().GetPageSelector();
+        if (nSelect == 0)
+        {
+            // Deselect.
+            aPageSelector.DeselectPage(nPage);
+            bOK = true;
+        }
+        else if (nSelect == 1)
+        {
+            // Select.
+            aPageSelector.SelectPage(nPage);
+            bOK = true;
+        }
+        else
+        {
+            // Toggle.
+            if (aPageSelector.IsPageSelected(nPage))
+                aPageSelector.DeselectPage(nPage);
+            else
+                aPageSelector.SelectPage(nPage);
+            bOK = true;
+        }
+    }
+
+    return bOK;
+}
+
+/**
  * Switch to desired page.
  * nSelectPage refers to the current EditMode
  */