Improve SvTreeListBox class

It is possible to set alternating rows. Expert Configuration
dialog use it.

Change-Id: Ie43a87ca05be73fdb345fa4866f31c2c36b7cdf1
Reviewed-on: https://gerrit.libreoffice.org/11663
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>

2 files changed, 43 insertions, 0 deletions

diff --git a/svtools/source/contnr/treelistbox.cxx b/svtools/source/contnr/treelistbox.cxx
index c0ed007fc611..c7d610c04daf 100644
--- a/svtools/source/contnr/treelistbox.cxx
+++ b/svtools/source/contnr/treelistbox.cxx
@@ -380,6 +380,7 @@ SvTreeListBox::SvTreeListBox(vcl::Window* pParent, WinBits nWinStyle) :
     DragSourceHelper(this),
     mpImpl(new SvTreeListBoxImpl(*this)),
     mbContextBmpExpanded(false),
+    mbAlternatingRowColor(false),
     eSelMode(NO_SELECTION),
     nMinWidthInChars(0)
 {
@@ -409,6 +410,7 @@ SvTreeListBox::SvTreeListBox(vcl::Window* pParent, const ResId& rResId) :
     DragSourceHelper(this),
     mpImpl(new SvTreeListBoxImpl(*this)),
     mbContextBmpExpanded(false),
+    mbAlternatingRowColor(false),
     eSelMode(NO_SELECTION),
     nMinWidthInChars(0)
 {
@@ -468,12 +470,30 @@ IMPL_LINK_INLINE_END( SvTreeListBox, CloneHdl_Impl, SvTreeListEntry*, pEntry )
 sal_uLong SvTreeListBox::Insert( SvTreeListEntry* pEntry, SvTreeListEntry* pParent, sal_uLong nPos )
 {
     sal_uLong nInsPos = pModel->Insert( pEntry, pParent, nPos );
+    if(mbAlternatingRowColor)
+    {
+        if(nPos == TREELIST_APPEND)
+            pEntry->SetBackColor( Prev(pEntry) && Prev(pEntry)->GetBackColor() == GetSettings().GetStyleSettings().GetAlternatingRowColor() ?
+                                    GetSettings().GetStyleSettings().GetAlternatingRowColor2() :
+                                    GetSettings().GetStyleSettings().GetAlternatingRowColor() );
+        else
+            SetAlternatingRow( true );
+    }
     return nInsPos;
 }
 
 sal_uLong SvTreeListBox::Insert( SvTreeListEntry* pEntry,sal_uLong nRootPos )
 {
     sal_uLong nInsPos = pModel->Insert( pEntry, nRootPos );
+    if(mbAlternatingRowColor)
+    {
+        if(nRootPos == TREELIST_APPEND)
+            pEntry->SetBackColor( Prev(pEntry) && Prev(pEntry)->GetBackColor() == GetSettings().GetStyleSettings().GetAlternatingRowColor() ?
+                                    GetSettings().GetStyleSettings().GetAlternatingRowColor2() :
+                                    GetSettings().GetStyleSettings().GetAlternatingRowColor() );
+        else
+            SetAlternatingRow( true );
+    }
     return nInsPos;
 }
 
@@ -3002,6 +3022,8 @@ long SvTreeListBox::PaintEntry1(SvTreeListEntry* pEntry,long nLine,sal_uInt16 nT
                     SetTextColor( aBackupTextColor );
                     Control::SetFont( aBackupFont );
                 }
+                else
+                  aWallpaper.SetColor( pEntry->GetBackColor() );
             }
 
             // draw background
@@ -3388,6 +3410,25 @@ Size SvTreeListBox::GetOptimalSize() const
     return aRet;
 }
 
+void SvTreeListBox::SetAlternatingRow( bool bEnable )
+{
+    mbAlternatingRowColor = bEnable;
+    if( mbAlternatingRowColor )
+    {
+        SvTreeListEntry* pEntry = pModel->First();
+        for(size_t i = 0; pEntry; ++i)
+        {
+            pEntry->SetBackColor( i % 2 == 0 ? GetSettings().GetStyleSettings().GetAlternatingRowColor() : GetSettings().GetStyleSettings().GetAlternatingRowColor2());
+            pEntry = pModel->Next(pEntry);
+        }
+    }
+    else
+        for(SvTreeListEntry* pEntry = pModel->First(); pEntry; pEntry = pModel->Next(pEntry))
+            pEntry->SetBackColor( GetSettings().GetStyleSettings().GetFieldColor() );
+
+    pImp->UpdateAll();
+}
+
 SvLBoxItem* SvTreeListBox::GetItem(SvTreeListEntry* pEntry,long nX,SvLBoxTab** ppTab)
 {
     return GetItem_Impl( pEntry, nX, ppTab, 0 );
diff --git a/svtools/source/contnr/treelistentry.cxx b/svtools/source/contnr/treelistentry.cxx
index 559a60f2b25d..c4c9220895eb 100644
--- a/svtools/source/contnr/treelistentry.cxx
+++ b/svtools/source/contnr/treelistentry.cxx
@@ -54,6 +54,7 @@ SvTreeListEntry::SvTreeListEntry()
     , bIsMarked(false)
     , pUserData(NULL)
     , nEntryFlags(0)
+    , maBackColor(Color(COL_WHITE))
 {
 }
 
@@ -64,6 +65,7 @@ SvTreeListEntry::SvTreeListEntry(const SvTreeListEntry& r)
     , bIsMarked(r.bIsMarked)
     , pUserData(r.pUserData)
     , nEntryFlags(r.nEntryFlags)
+    , maBackColor(Color(COL_WHITE))
 {
     SvTreeListEntries::const_iterator it = r.maChildren.begin(), itEnd = r.maChildren.end();
     for (; it != itEnd; ++it)