1 files changed, 192 insertions, 20 deletions

diff --git a/indra/llui/lluicolortable.cpp b/indra/llui/lluicolortable.cpp
index 27ba6cc8b4..9891e38f7b 100644
--- a/indra/llui/lluicolortable.cpp
+++ b/indra/llui/lluicolortable.cpp
@@ -2,8 +2,25 @@
  * @file lluicolortable.cpp
  * @brief brief LLUIColorTable class implementation file
  *
- * $LicenseInfo:firstyear=2009&license=viewergpl$
- * Copyright (c) 2009, Linden Research, Inc.
+ * $LicenseInfo:firstyear=2009&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
  * $/LicenseInfo$
  */
 
@@ -11,7 +28,10 @@
 
 #include <queue>
 
+#include "lldir.h"
+#include "llui.h"
 #include "lluicolortable.h"
+#include "lluictrlfactory.h"
 
 LLUIColorTable::ColorParams::ColorParams()
 :	value("value"),
@@ -26,17 +46,16 @@ LLUIColorTable::ColorEntryParams::ColorEntryParams()
 }
 
 LLUIColorTable::Params::Params()
-:	color_entries("color_entries")
+:	color_entries("color")
 {
 }
 
-void LLUIColorTable::init(const Params& p)
+void LLUIColorTable::insertFromParams(const Params& p, string_color_map_t& table)
 {
 	// this map will contain all color references after the following loop
 	typedef std::map<std::string, std::string> string_string_map_t;
 	string_string_map_t unresolved_refs;
 
-	mColors.clear();
 	for(LLInitParam::ParamIterator<ColorEntryParams>::const_iterator it = p.color_entries().begin();
 		it != p.color_entries().end();
 		++it)
@@ -44,7 +63,7 @@ void LLUIColorTable::init(const Params& p)
 		ColorEntryParams color_entry = *it;
 		if(color_entry.color.value.isChosen())
 		{
-			mColors.insert(string_color_map_t::value_type(color_entry.name, color_entry.color.value));
+			setColor(color_entry.name, color_entry.color.value, table);
 		}
 		else
 		{
@@ -66,19 +85,21 @@ void LLUIColorTable::init(const Params& p)
 		// we haven't visited any references yet
 		visited_refs.clear();
 
-		string_string_map_t::iterator it = unresolved_refs.begin();
+		string_string_map_t::iterator current = unresolved_refs.begin();
+		string_string_map_t::iterator previous;
+
 		while(true)
 		{
-			if(it != unresolved_refs.end())
+			if(current != unresolved_refs.end())
 			{
 				// locate the current reference in the previously visited references...
-				string_color_ref_iter_map_t::iterator visited = visited_refs.lower_bound(it->first);
+				string_color_ref_iter_map_t::iterator visited = visited_refs.lower_bound(current->first);
 				if(visited != visited_refs.end()
-			    && !(visited_refs.key_comp()(it->first, visited->first)))
+			    && !(visited_refs.key_comp()(current->first, visited->first)))
 				{
 					// ...if we find the current reference in the previously visited references
 					// we know that there is a cycle
-					std::string ending_ref = it->first;
+					std::string ending_ref = current->first;
 					std::string warning("The following colors form a cycle: ");
 
 					// warn about the references in the chain and remove them from
@@ -102,17 +123,17 @@ void LLUIColorTable::init(const Params& p)
 				else
 				{
 					// ...continue along the reference chain
-					ref_chain.push(it->first);
-					visited_refs.insert(visited, string_color_ref_iter_map_t::value_type(it->first, it));
+					ref_chain.push(current->first);
+					visited_refs.insert(visited, string_color_ref_iter_map_t::value_type(current->first, current));
 				}
 			}
 			else
 			{
 				// since this reference does not refer to another reference it must refer to an
 				// actual color, lets find it...
-				string_color_map_t::iterator color_value = mColors.find(it->second);
+				string_color_map_t::iterator color_value = mLoadedColors.find(previous->second);
 
-				if(color_value != mColors.end())
+				if(color_value != mLoadedColors.end())
 				{
 					// ...we found the color, and we now add every reference in the reference chain
 					// to the color map
@@ -120,7 +141,7 @@ void LLUIColorTable::init(const Params& p)
 						iter != visited_refs.end();
 						++iter)
 					{
-						mColors.insert(string_color_map_t::value_type(iter->first, color_value->second));
+						setColor(iter->first, color_value->second, mLoadedColors);
 						unresolved_refs.erase(iter->second);
 					}
 
@@ -143,13 +164,164 @@ void LLUIColorTable::init(const Params& p)
 			}
 
 			// find the next color reference in the reference chain
-			it = unresolved_refs.find(it->second);
+			previous = current;
+			current = unresolved_refs.find(current->second);
+		}
+	}
+}
+
+void LLUIColorTable::clear()
+{
+	clearTable(mLoadedColors);
+	clearTable(mUserSetColors);
+}
+
+LLUIColor LLUIColorTable::getColor(const std::string& name, const LLColor4& default_color) const
+{
+	string_color_map_t::const_iterator iter = mUserSetColors.find(name);
+	
+	if(iter != mUserSetColors.end())
+	{
+		return LLUIColor(&iter->second);
+	}
+
+	iter = mLoadedColors.find(name);
+	
+	if(iter != mLoadedColors.end())
+	{
+		return LLUIColor(&iter->second);
+	}
+	
+	return  LLUIColor(default_color);
+}
+
+// update user color, loaded colors are parsed on initialization
+void LLUIColorTable::setColor(const std::string& name, const LLColor4& color)
+{
+	setColor(name, color, mUserSetColors);
+	setColor(name, color, mLoadedColors);
+}
+
+bool LLUIColorTable::loadFromSettings()
+{
+	bool result = false;
+
+	std::string default_filename = gDirUtilp->getExpandedFilename(LL_PATH_DEFAULT_SKIN, "colors.xml");
+	result |= loadFromFilename(default_filename, mLoadedColors);
+
+	std::string current_filename = gDirUtilp->getExpandedFilename(LL_PATH_TOP_SKIN, "colors.xml");
+	if(current_filename != default_filename)
+	{
+		result |= loadFromFilename(current_filename, mLoadedColors);
+	}
+
+	std::string user_filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "colors.xml");
+	loadFromFilename(user_filename, mUserSetColors);
+
+	return result;
+}
+
+void LLUIColorTable::saveUserSettings() const
+{
+	Params params;
+
+	for(string_color_map_t::const_iterator it = mUserSetColors.begin();
+		it != mUserSetColors.end();
+		++it)
+	{
+		ColorEntryParams color_entry;
+		color_entry.name = it->first;
+		color_entry.color.value = it->second;
+
+		params.color_entries.add(color_entry);
+	}
+
+	LLXMLNodePtr output_node = new LLXMLNode("colors", false);
+	LLXUIParser::instance().writeXUI(output_node, params);
+
+	if(!output_node->isNull())
+	{
+		const std::string& filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, "colors.xml");
+		LLFILE *fp = LLFile::fopen(filename, "w");
+
+		if(fp != NULL)
+		{
+			LLXMLNode::writeHeaderToFile(fp);
+			output_node->writeToFile(fp);
+
+			fclose(fp);
 		}
 	}
 }
 
-const LLColor4& LLUIColorTable::getColor(const std::string& name) const
+bool LLUIColorTable::colorExists(const std::string& color_name) const
+{
+	return ((mLoadedColors.find(color_name) != mLoadedColors.end())
+		 || (mUserSetColors.find(color_name) != mUserSetColors.end()));
+}
+
+void LLUIColorTable::clearTable(string_color_map_t& table)
 {
-	string_color_map_t::const_iterator iter = mColors.find(name);
-	return (iter != mColors.end() ? iter->second : LLColor4::magenta);
+	for(string_color_map_t::iterator it = table.begin();
+		it != table.end();
+		++it)
+	{
+		it->second = LLColor4::magenta;
+	}
 }
+
+// this method inserts a color into the table if it does not exist
+// if the color already exists it changes the color
+void LLUIColorTable::setColor(const std::string& name, const LLColor4& color, string_color_map_t& table)
+{
+	string_color_map_t::iterator it = table.lower_bound(name);
+	if(it != table.end()
+	&& !(table.key_comp()(name, it->first)))
+	{
+		it->second = color;
+	}
+	else
+	{
+		table.insert(it, string_color_map_t::value_type(name, color));
+	}
+}
+
+bool LLUIColorTable::loadFromFilename(const std::string& filename, string_color_map_t& table)
+{
+	LLXMLNodePtr root;
+
+	if(!LLXMLNode::parseFile(filename, root, NULL))
+	{
+		llwarns << "Unable to parse color file " << filename << llendl;
+		return false;
+	}
+
+	if(!root->hasName("colors"))
+	{
+		llwarns << filename << " is not a valid color definition file" << llendl;
+		return false;
+	}
+
+	Params params;
+	LLXUIParser::instance().readXUI(root, params, filename);
+
+	if(params.validateBlock())
+	{
+		insertFromParams(params, table);
+	}
+	else
+	{
+		llwarns << filename << " failed to load" << llendl;
+		return false;
+	}
+
+	return true;
+}
+
+void LLUIColorTable::insertFromParams(const Params& p)
+{
+	insertFromParams(p, mUserSetColors);
+}
+
+// EOF
+