From 57563d06e9947380a2cf4a7f97ca5835c4bd8b2b Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Sun, 10 Mar 2013 14:04:08 +0000
Subject: Improved ui::ListView::sort().

---
 src/ui/listview.cc | 21 +++++++++++++--------
 src/ui/listview.h  | 20 ++++++++------------
 2 files changed, 21 insertions(+), 20 deletions(-)

(limited to 'src/ui')

diff --git a/src/ui/listview.cc b/src/ui/listview.cc
index ac2a4e8..0c01596 100644
--- a/src/ui/listview.cc
+++ b/src/ui/listview.cc
@@ -132,6 +132,11 @@ void ListView::clear()
 	listview_scrollbar->set_value(listview_scroll);
 }
 
+ListItem *ListView::add_item(const std::string & text)
+{
+	return new ui::ListItem(this, text.c_str());
+}
+
 bool ListView::on_emit(Widget *sender, const Event event, void *data)
 {
 	if (sender == listview_scrollbar) {
@@ -173,7 +178,7 @@ bool ListView::on_keypress(const int key, const unsigned int modifier)
 	return false;
 }
 
-bool compare_listitems(const Widget *first, const Widget *second)
+bool compare_listitems_ascending(const Widget *first, const Widget *second)
 {
 	const ListItem *firstitem = dynamic_cast<const ListItem *>(first);
 	const ListItem *seconditem = dynamic_cast<const ListItem *>(second);
@@ -192,12 +197,8 @@ bool compare_listitems(const Widget *first, const Widget *second)
 	}
 }
 
-void ListView::sort()
-{
-	children().sort(compare_listitems);
-}
 
-bool compare_listitems_reverse(const Widget *first, const Widget *second)
+bool compare_listitems_descending(const Widget *first, const Widget *second)
 {
 	const ListItem *firstitem = dynamic_cast<const ListItem *>(first);
 	const ListItem *seconditem = dynamic_cast<const ListItem *>(second);
@@ -216,9 +217,13 @@ bool compare_listitems_reverse(const Widget *first, const Widget *second)
 	}
 }
 
-void ListView::sort_reverse()
+void ListView::sort(bool ascending)
 {
-	children().sort(compare_listitems_reverse);
+	if (ascending) {
+		children().sort(compare_listitems_ascending);
+	} else {
+		children().sort(compare_listitems_descending);
+	}
 }
 
 }
diff --git a/src/ui/listview.h b/src/ui/listview.h
index b4c00dc..7678b8b 100644
--- a/src/ui/listview.h
+++ b/src/ui/listview.h
@@ -41,6 +41,11 @@ public:
 	}
 	
 	/* -- mutators --------------------------------------------- */
+	
+	/**
+	 * @brief add a new item
+	 * */
+	ListItem *add_item(const std::string & text);
 
 	/// set scroll
 	void set_scroll(float scroll);
@@ -51,7 +56,7 @@ public:
 	/// scroll up
 	void dec_scroll(float scroll); 
 	
-	/// clear all listitems
+	/// delete all listitems
 	void clear();
 	
 	/// set selection to specified ListItem
@@ -61,18 +66,9 @@ public:
 	void deselect();
 	
 	/**
-	 * @brief sort child ListItems according to their sortkey
-	 * Sort will fail with an assert error if the ListView
-	 * contains any non-ListItem child widgets
-	 * */
-	void sort();
-	
-	/**
-	 * @brief reverse sort child ListItems according to their sortkey
-	 * Sort will fail with an assert error if the ListView
-	 * contains any non-ListItem child widgets
+	 * @brief sort listitems according to their sortkey
 	 * */
-	void sort_reverse();
+	void sort(bool ascending = true);
 	
 protected:	
 	virtual void resize();
-- 
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