From a8165dfe59771962963e8a807b129c04a74f6d59 Mon Sep 17 00:00:00 2001
From: Ychebotarev ProductEngine <ychebotarev@productengine.com>
Date: Tue, 23 Feb 2010 18:05:00 +0200
Subject: fix for normal EXT-5598 Group member status list is sorted by name
 instead of date

--HG--
branch : product-engine
---
 indra/llui/llscrolllistctrl.cpp | 26 ++++++++++++++++++++------
 indra/llui/llscrolllistctrl.h   | 35 +++++++++++++++++++++++++++++++++++
 2 files changed, 55 insertions(+), 6 deletions(-)

(limited to 'indra/llui')

diff --git a/indra/llui/llscrolllistctrl.cpp b/indra/llui/llscrolllistctrl.cpp
index ac4811210b..77caaaa425 100644
--- a/indra/llui/llscrolllistctrl.cpp
+++ b/indra/llui/llscrolllistctrl.cpp
@@ -71,8 +71,9 @@ static LLDefaultChildRegistry::Register<LLScrollListCtrl> r("scroll_list");
 // local structures & classes.
 struct SortScrollListItem
 {
-	SortScrollListItem(const std::vector<std::pair<S32, BOOL> >& sort_orders)
+	SortScrollListItem(const std::vector<std::pair<S32, BOOL> >& sort_orders,const LLScrollListCtrl::sort_signal_t*	sort_signal)
 	:	mSortOrders(sort_orders)
+	,   mSortSignal(sort_signal)
 	{}
 
 	bool operator()(const LLScrollListItem* i1, const LLScrollListItem* i2)
@@ -85,12 +86,20 @@ struct SortScrollListItem
 			S32 col_idx = it->first;
 			BOOL sort_ascending = it->second;
 
+			S32 order = sort_ascending ? 1 : -1; // ascending or descending sort for this column?
+
 			const LLScrollListCell *cell1 = i1->getColumn(col_idx);
 			const LLScrollListCell *cell2 = i2->getColumn(col_idx);
-			S32 order = sort_ascending ? 1 : -1; // ascending or descending sort for this column?
 			if (cell1 && cell2)
 			{
-				sort_result = order * LLStringUtil::compareDict(cell1->getValue().asString(), cell2->getValue().asString());
+				if(mSortSignal)
+				{
+					sort_result = order * (*mSortSignal)(col_idx,i1, i2);
+				}
+				else
+				{
+					sort_result = order * LLStringUtil::compareDict(cell1->getValue().asString(), cell2->getValue().asString());
+				}
 				if (sort_result != 0)
 				{
 					break; // we have a sort order!
@@ -100,8 +109,10 @@ struct SortScrollListItem
 
 		return sort_result < 0;
 	}
+	
 
 	typedef std::vector<std::pair<S32, BOOL> > sort_order_t;
+	const LLScrollListCtrl::sort_signal_t* mSortSignal;
 	const sort_order_t& mSortOrders;
 };
 
@@ -169,6 +180,7 @@ LLScrollListCtrl::LLScrollListCtrl(const LLScrollListCtrl::Params& p)
 	mOnSortChangedCallback( NULL ),
 	mHighlightedItem(-1),
 	mBorder(NULL),
+	mSortCallback(NULL),
 	mPopupMenu(NULL),
 	mNumDynamicWidthColumns(0),
 	mTotalStaticColumnWidth(0),
@@ -309,6 +321,8 @@ bool LLScrollListCtrl::preProcessChildNode(LLXMLNodePtr child)
 
 LLScrollListCtrl::~LLScrollListCtrl()
 {
+	delete mSortCallback;
+
 	std::for_each(mItemList.begin(), mItemList.end(), DeletePointer());
 
 	if( gEditMenuHandler == this )
@@ -540,7 +554,7 @@ BOOL LLScrollListCtrl::addItem( LLScrollListItem* item, EAddPosition pos, BOOL r
 				std::stable_sort(
 					mItemList.begin(), 
 					mItemList.end(), 
-					SortScrollListItem(single_sort_column));
+					SortScrollListItem(single_sort_column,mSortCallback));
 				
 				// ADD_SORTED just sorts by first column...
 				// this might not match user sort criteria, so flag list as being in unsorted state
@@ -2395,7 +2409,7 @@ void LLScrollListCtrl::updateSort() const
 		std::stable_sort(
 			mItemList.begin(), 
 			mItemList.end(), 
-			SortScrollListItem(mSortColumns));
+			SortScrollListItem(mSortColumns,mSortCallback));
 
 		mSorted = true;
 	}
@@ -2411,7 +2425,7 @@ void LLScrollListCtrl::sortOnce(S32 column, BOOL ascending)
 	std::stable_sort(
 		mItemList.begin(), 
 		mItemList.end(), 
-		SortScrollListItem(sort_column));
+		SortScrollListItem(sort_column,mSortCallback));
 }
 
 void LLScrollListCtrl::dirtyColumns() 
diff --git a/indra/llui/llscrolllistctrl.h b/indra/llui/llscrolllistctrl.h
index d2d2379328..bfff85315d 100644
--- a/indra/llui/llscrolllistctrl.h
+++ b/indra/llui/llscrolllistctrl.h
@@ -73,6 +73,32 @@ public:
 
 	// *TODO: Add callbacks to Params
 	typedef boost::function<void (void)> callback_t;
+
+	template<typename T> struct maximum
+	{
+		typedef T result_type;
+
+		template<typename InputIterator>
+		T operator()(InputIterator first, InputIterator last) const
+		{
+			// If there are no slots to call, just return the
+			// default-constructed value
+			if(first == last ) return T();
+			T max_value = *first++;
+			while (first != last) {
+				if (max_value < *first)
+				max_value = *first;
+				++first;
+			}
+
+			return max_value;
+		}
+	};
+
+	
+	//typedef boost::signals2::signal<void (S32,const LLScrollListItem*,const LLScrollListItem*),maximum<S32>> sort_signal_t;
+	//typedef boost::signals2::signal<void (S32,const LLScrollListItem*,const LLScrollListItem*)> sort_signal_t;
+	typedef boost::signals2::signal<S32 (S32,const LLScrollListItem*,const LLScrollListItem*),maximum<S32>> sort_signal_t;
 	
 	struct Params : public LLInitParam::Block<Params, LLUICtrl::Params>
 	{
@@ -362,6 +388,13 @@ public:
 	void			setNeedsSort(bool val = true) { mSorted = !val; }
 	void			dirtyColumns(); // some operation has potentially affected column layout or ordering
 
+	boost::signals2::connection setSortCallback(sort_signal_t::slot_type cb )
+	{
+		if (!mSortCallback) mSortCallback = new sort_signal_t();
+		return mSortCallback->connect(cb);
+	}
+
+
 protected:
 	// "Full" interface: use this when you're creating a list that has one or more of the following:
 	// * contains icons
@@ -474,6 +507,8 @@ private:
 
 	typedef std::pair<S32, BOOL> sort_column_t;
 	std::vector<sort_column_t>	mSortColumns;
+
+	sort_signal_t*	mSortCallback;
 }; // end class LLScrollListCtrl
 
 #endif  // LL_SCROLLLISTCTRL_H
-- 
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