SL-19544 WIP hide inventory pane in Combination view, if there is no visible items

indra/llui/llfolderview.cpp

@@ -189,7 +189,8 @@ LLFolderView::LLFolderView(const Params& p)
 	mStatusTextBox(NULL),
 	mShowItemLinkOverlays(p.show_item_link_overlays),
 	mViewModel(p.view_model),
-    mGroupedItemModel(p.grouped_item_model)
+    mGroupedItemModel(p.grouped_item_model),
+    mForceArrange(false)
 {
     LLPanel* panel = p.parent_panel;
     mParentPanel = panel->getHandle();
@@ -1736,7 +1737,7 @@ void LLFolderView::update()
 		mNeedsAutoSelect = FALSE;
 	}
 
-  BOOL is_visible = isInVisibleChain();
+  BOOL is_visible = isInVisibleChain() || mForceArrange;
 
   //Puts folders/items in proper positions
   // arrange() takes the model filter flag into account and call sort() if necessary (CHUI-849)

indra/llui/llfolderview.h

@@ -241,6 +241,8 @@ public:
 	void setCallbackRegistrar(LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* registrar) { mCallbackRegistrar = registrar; }
 	void setEnableRegistrar(LLUICtrl::EnableCallbackRegistry::ScopedRegistrar* registrar) { mEnableRegistrar = registrar; }
 
+    void setForceArrange(bool force) { mForceArrange = force; }
+
 	LLPanel* getParentPanel() { return mParentPanel.get(); }
 	// DEBUG only
 	void dumpSelectionInformation();
@@ -337,6 +339,8 @@ protected:
 
 	LLUICtrl::CommitCallbackRegistry::ScopedRegistrar* mCallbackRegistrar;
 	LLUICtrl::EnableCallbackRegistry::ScopedRegistrar* mEnableRegistrar;
+
+    bool mForceArrange;
 	
 public:
 	static F32 sAutoOpenTime;

indra/newview/llinventorypanel.cpp

@@ -2221,6 +2221,10 @@ void LLInventorySingleFolderPanel::updateSingleFolderRoot()
     }
 }
 
+bool LLInventorySingleFolderPanel::hasVisibleItems()
+{
+    return mFolderRoot.get()->hasVisibleChildren();
+}
 /************************************************************************/
 /* Asset Pre-Filtered Inventory Panel related class                     */
 /************************************************************************/

indra/newview/llinventorypanel.h

@@ -405,6 +405,8 @@ public:
     bool isBackwardAvailable();
     bool isForwardAvailable();
 
+    bool hasVisibleItems();
+
     void setNavBackwardList(std::list<LLUUID> backward_list) { mBackwardFolders = backward_list; }
     void setNavForwardList(std::list<LLUUID> forward_list) { mForwardFolders = forward_list; }
     std::list<LLUUID> getNavBackwardList() { return mBackwardFolders; }

indra/newview/llpanelmaininventory.cpp

@@ -1480,6 +1480,11 @@ void LLPanelMainInventory::setActivePanel()
 
 void LLPanelMainInventory::toggleViewMode()
 {
+    if(mSingleFolderMode && isCombinationViewMode())
+    {
+        mCombinationInventoryPanel->getRootFolder()->setForceArrange(false);
+    }
+
     mSingleFolderMode = !mSingleFolderMode;
 
     getChild<LLPanel>("default_inventory_panel")->setVisible(!mSingleFolderMode);
@@ -2193,11 +2198,17 @@ void LLPanelMainInventory::updateCombinationVisibility()
     if(mSingleFolderMode && isCombinationViewMode())
     {
         bool is_gallery_empty = !mCombinationGalleryPanel->hasVisibleItems();
+        bool show_inv_pane = mCombinationInventoryPanel->hasVisibleItems() || is_gallery_empty;
         getChild<LLLayoutPanel>("comb_gallery_layout")->setVisible(!is_gallery_empty);
+        getChild<LLLayoutPanel>("comb_inventory_layout")->setVisible(show_inv_pane);
+        mCombinationInventoryPanel->getRootFolder()->setForceArrange(!show_inv_pane);
+
         if(is_gallery_empty)
         {
             mCombinationGalleryPanel->handleModifiedFilter();
         }
+        
+        getActivePanel()->getRootFolder();
     }
 }
 
@@ -2253,6 +2264,7 @@ void LLPanelMainInventory::setViewMode(EViewModeType mode)
             case MODE_COMBINATION:
                 forward_history = mCombinationInventoryPanel->getNavForwardList();
                 backward_history = mCombinationInventoryPanel->getNavBackwardList();
+                mCombinationInventoryPanel->getRootFolder()->setForceArrange(false);
                 break;
         }
             

indra/newview/skins/default/xui/en/panel_main_inventory.xml

@@ -357,7 +357,7 @@
         bevel_style="in"
         user_resize="true"
         auto_resize="true"
-        height="186"
+        height="246"
         width="312"
         min_width="150"
         name="comb_gallery_layout">
@@ -366,7 +366,7 @@
          filename="panel_inventory_gallery.xml"
          left="0"
          top_pad="0"
-         height="186"
+         height="246"
          width="312"
          name="comb_gallery_view_inv"
          background_visible="true"
@@ -379,7 +379,7 @@
         bevel_style="in"
         user_resize="true"
         auto_resize="true"
-        height="186"
+        height="126"
         width="312"
         name="comb_inventory_layout">
         <single_folder_inventory_panel
@@ -387,7 +387,7 @@
          follows="all"
          left="0"
          top="1"
-         height="181"
+         height="126"
          width="312"
          layout="topleft"
          show_item_link_overlays="true"