/indra/newview/llpreviewscript.cpp

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/** 
 * @file llpreviewscript.cpp
 * @brief LLPreviewScript class implementation
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * 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
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llpreviewscript.h"

#include "llassetstorage.h"
#include "llassetuploadresponders.h"
#include "llbutton.h"
#include "llcheckboxctrl.h"
#include "llcombobox.h"
#include "lldir.h"
#include "llexternaleditor.h"
#include "llfilepicker.h"
#include "llfloaterreg.h"
#include "llinventorydefines.h"
#include "llinventorymodel.h"
#include "llkeyboard.h"
#include "lllineeditor.h"
#include "lllivefile.h"
#include "llhelp.h"
#include "llnotificationsutil.h"
#include "llresmgr.h"
#include "llscrollbar.h"
#include "llscrollcontainer.h"
#include "llscrolllistctrl.h"
#include "llscrolllistitem.h"
#include "llscrolllistcell.h"
#include "llslider.h"
#include "lscript_rt_interface.h"
#include "lscript_library.h"
#include "lscript_export.h"
#include "lltextbox.h"
#include "lltooldraganddrop.h"
#include "llvfile.h"

#include "llagent.h"
#include "llmenugl.h"
#include "roles_constants.h"
#include "llselectmgr.h"
#include "llviewerinventory.h"
#include "llviewermenu.h"
#include "llviewerobject.h"
#include "llviewerobjectlist.h"
#include "llviewerregion.h"
#include "llkeyboard.h"
#include "llscrollcontainer.h"
#include "llcheckboxctrl.h"
#include "llselectmgr.h"
#include "lltooldraganddrop.h"
#include "llscrolllistctrl.h"
#include "lltextbox.h"
#include "llslider.h"
#include "lldir.h"
#include "llcombobox.h"
#include "llviewerstats.h"
#include "llviewertexteditor.h"
#include "llviewerwindow.h"
#include "lluictrlfactory.h"
#include "llmediactrl.h"
#include "lluictrlfactory.h"
#include "lltrans.h"
#include "llviewercontrol.h"
#include "llappviewer.h"

const std::string HELLO_LSL =
	"default\n"
	"{\n"
	"    state_entry()\n"
    "    {\n"
    "        llSay(0, \"Hello, Avatar!\");\n"
    "    }\n"
	"\n"
	"    touch_start(integer total_number)\n"
	"    {\n"
	"        llSay(0, \"Touched.\");\n"
	"    }\n"
	"}\n";
const std::string HELP_LSL_PORTAL_TOPIC = "LSL_Portal";

const std::string DEFAULT_SCRIPT_NAME = "New Script"; // *TODO:Translate?
const std::string DEFAULT_SCRIPT_DESC = "(No Description)"; // *TODO:Translate?

// Description and header information

const S32 MAX_EXPORT_SIZE = 1000;

const S32 MAX_HISTORY_COUNT = 10;
const F32 LIVE_HELP_REFRESH_TIME = 1.f;

static bool have_script_upload_cap(LLUUID& object_id)
{
	LLViewerObject* object = gObjectList.findObject(object_id);
	return object && (! object->getRegion()->getCapability("UpdateScriptTask").empty());
}

/// ---------------------------------------------------------------------------
/// LLLiveLSLFile
/// ---------------------------------------------------------------------------
class LLLiveLSLFile : public LLLiveFile
{
public:
	typedef boost::function<bool (const std::string& filename)> change_callback_t;

	LLLiveLSLFile(std::string file_path, change_callback_t change_cb);
	~LLLiveLSLFile();

	void ignoreNextUpdate() { mIgnoreNextUpdate = true; }

protected:
	/*virtual*/ bool loadFile();

	change_callback_t	mOnChangeCallback;
	bool				mIgnoreNextUpdate;
};

LLLiveLSLFile::LLLiveLSLFile(std::string file_path, change_callback_t change_cb)
:	mOnChangeCallback(change_cb)
,	mIgnoreNextUpdate(false)
,	LLLiveFile(file_path, 1.0)
{
	llassert(mOnChangeCallback);
}

LLLiveLSLFile::~LLLiveLSLFile()
{
	LLFile::remove(filename());
}

bool LLLiveLSLFile::loadFile()
{
	if (mIgnoreNextUpdate)
	{
		mIgnoreNextUpdate = false;
		return true;
	}

	return mOnChangeCallback(filename());
}

/// ---------------------------------------------------------------------------
/// LLFloaterScriptSearch
/// ---------------------------------------------------------------------------
class LLFloaterScriptSearch : public LLFloater
{
public:
	LLFloaterScriptSearch(LLScriptEdCore* editor_core);
	~LLFloaterScriptSearch();

	/*virtual*/	BOOL	postBuild();
	static void show(LLScriptEdCore* editor_core);
	static void onBtnSearch(void* userdata);
	void handleBtnSearch();

	static void onBtnReplace(void* userdata);
	void handleBtnReplace();

	static void onBtnReplaceAll(void* userdata);
	void handleBtnReplaceAll();

	LLScriptEdCore* getEditorCore() { return mEditorCore; }
	static LLFloaterScriptSearch* getInstance() { return sInstance; }

	virtual bool hasAccelerators() const;
	virtual BOOL handleKeyHere(KEY key, MASK mask);

private:

	LLScriptEdCore* mEditorCore;

	static LLFloaterScriptSearch*	sInstance;
};

LLFloaterScriptSearch* LLFloaterScriptSearch::sInstance = NULL;

LLFloaterScriptSearch::LLFloaterScriptSearch(LLScriptEdCore* editor_core)
:	LLFloater(LLSD()),
	mEditorCore(editor_core)
{
	buildFromFile("floater_script_search.xml");

	sInstance = this;
	
	// find floater in which script panel is embedded
	LLView* viewp = (LLView*)editor_core;
	while(viewp)
	{
		LLFloater* floaterp = dynamic_cast<LLFloater*>(viewp);
		if (floaterp)
		{
			floaterp->addDependentFloater(this);
			break;
		}
		viewp = viewp->getParent();
	}
}

BOOL LLFloaterScriptSearch::postBuild()
{
	childSetAction("search_btn", onBtnSearch,this);
	childSetAction("replace_btn", onBtnReplace,this);
	childSetAction("replace_all_btn", onBtnReplaceAll,this);

	setDefaultBtn("search_btn");

	return TRUE;
}

//static 
void LLFloaterScriptSearch::show(LLScriptEdCore* editor_core)
{
	if (sInstance && sInstance->mEditorCore && sInstance->mEditorCore != editor_core)
	{
		sInstance->closeFloater();
		delete sInstance;
	}

	if (!sInstance)
	{
		// sInstance will be assigned in the constructor.
		new LLFloaterScriptSearch(editor_core);
	}

	sInstance->openFloater();
}

LLFloaterScriptSearch::~LLFloaterScriptSearch()
{
	sInstance = NULL;
}

// static 
void LLFloaterScriptSearch::onBtnSearch(void *userdata)
{
	LLFloaterScriptSearch* self = (LLFloaterScriptSearch*)userdata;
	self->handleBtnSearch();
}

void LLFloaterScriptSearch::handleBtnSearch()
{
	LLCheckBoxCtrl* caseChk = getChild<LLCheckBoxCtrl>("case_text");
	mEditorCore->mEditor->selectNext(getChild<LLUICtrl>("search_text")->getValue().asString(), caseChk->get());
}

// static 
void LLFloaterScriptSearch::onBtnReplace(void *userdata)
{
	LLFloaterScriptSearch* self = (LLFloaterScriptSearch*)userdata;
	self->handleBtnReplace();
}

void LLFloaterScriptSearch::handleBtnReplace()
{
	LLCheckBoxCtrl* caseChk = getChild<LLCheckBoxCtrl>("case_text");
	mEditorCore->mEditor->replaceText(getChild<LLUICtrl>("search_text")->getValue().asString(), getChild<LLUICtrl>("replace_text")->getValue().asString(), caseChk->get());
}

// static 
void LLFloaterScriptSearch::onBtnReplaceAll(void *userdata)
{
	LLFloaterScriptSearch* self = (LLFloaterScriptSearch*)userdata;
	self->handleBtnReplaceAll();
}

void LLFloaterScriptSearch::handleBtnReplaceAll()
{
	LLCheckBoxCtrl* caseChk = getChild<LLCheckBoxCtrl>("case_text");
	mEditorCore->mEditor->replaceTextAll(getChild<LLUICtrl>("search_text")->getValue().asString(), getChild<LLUICtrl>("replace_text")->getValue().asString(), caseChk->get());
}

bool LLFloaterScriptSearch::hasAccelerators() const
{
	if (mEditorCore)
	{
		return mEditorCore->hasAccelerators();
	}
	return FALSE;
}

BOOL LLFloaterScriptSearch::handleKeyHere(KEY key, MASK mask)
{
	if (mEditorCore)
	{
		return mEditorCore->handleKeyHere(key, mask);
	}

	return FALSE;
}

/// ---------------------------------------------------------------------------
/// LLScriptEdCore
/// ---------------------------------------------------------------------------

struct LLSECKeywordCompare
{
	bool operator()(const std::string& lhs, const std::string& rhs)
	{
		return (LLStringUtil::compareDictInsensitive( lhs, rhs ) < 0 );
	}
};

LLScriptEdCore::LLScriptEdCore(
	LLScriptEdContainer* container,
	const std::string& sample,
	const LLHandle<LLFloater>& floater_handle,
	void (*load_callback)(void*),
	void (*save_callback)(void*, BOOL),
	void (*search_replace_callback) (void* userdata),
	void* userdata,
	S32 bottom_pad)
	:
	LLPanel(),
	mSampleText(sample),
	mEditor( NULL ),
	mLoadCallback( load_callback ),
	mSaveCallback( save_callback ),
	mSearchReplaceCallback( search_replace_callback ),
	mUserdata( userdata ),
	mForceClose( FALSE ),
	mLastHelpToken(NULL),
	mLiveHelpHistorySize(0),
	mEnableSave(FALSE),
	mLiveFile(NULL),
	mContainer(container),
	mHasScriptData(FALSE)
{
	setFollowsAll();
	setBorderVisible(FALSE);

	setXMLFilename("panel_script_ed.xml");
	llassert_always(mContainer != NULL);
}

LLScriptEdCore::~LLScriptEdCore()
{
	deleteBridges();

	// If the search window is up for this editor, close it.
	LLFloaterScriptSearch* script_search = LLFloaterScriptSearch::getInstance();
	if (script_search && script_search->getEditorCore() == this)
	{
		script_search->closeFloater();
		delete script_search;
	}

	delete mLiveFile;
}

BOOL LLScriptEdCore::postBuild()
{
	mErrorList = getChild<LLScrollListCtrl>("lsl errors");

	mFunctions = getChild<LLComboBox>( "Insert...");

	childSetCommitCallback("Insert...", &LLScriptEdCore::onBtnInsertFunction, this);

	mEditor = getChild<LLViewerTextEditor>("Script Editor");

	childSetCommitCallback("lsl errors", &LLScriptEdCore::onErrorList, this);
	childSetAction("Save_btn", boost::bind(&LLScriptEdCore::doSave,this,FALSE));
	childSetAction("Edit_btn", boost::bind(&LLScriptEdCore::openInExternalEditor, this));

	initMenu();


	std::vector<std::string> funcs;
	std::vector<std::string> tooltips;
	for (std::vector<LLScriptLibraryFunction>::const_iterator i = gScriptLibrary.mFunctions.begin();
	i != gScriptLibrary.mFunctions.end(); ++i)
	{
		// Make sure this isn't a god only function, or the agent is a god.
		if (!i->mGodOnly || gAgent.isGodlike())
		{
			std::string name = i->mName;
			funcs.push_back(name);
			
			std::string desc_name = "LSLTipText_";
			desc_name += name;
			std::string desc = LLTrans::getString(desc_name);
			
			F32 sleep_time = i->mSleepTime;
			if( sleep_time )
			{
				desc += "\n";
				
				LLStringUtil::format_map_t args;
				args["[SLEEP_TIME]"] = llformat("%.1f", sleep_time );
				desc += LLTrans::getString("LSLTipSleepTime", args);
			}
			
			// A \n linefeed is not part of xml. Let's add one to keep all
			// the tips one-per-line in strings.xml
			LLStringUtil::replaceString( desc, "\\n", "\n" );
			
			tooltips.push_back(desc);
		}
	}
	
	LLColor3 color(0.5f, 0.0f, 0.15f);
	mEditor->loadKeywords(gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS,"keywords.ini"), funcs, tooltips, color);

	std::vector<std::string> primary_keywords;
	std::vector<std::string> secondary_keywords;
	LLKeywordToken *token;
	LLKeywords::keyword_iterator_t token_it;
	for (token_it = mEditor->keywordsBegin(); token_it != mEditor->keywordsEnd(); ++token_it)
	{
		token = token_it->second;
		if (token->getColor() == color) // Wow, what a disgusting hack.
		{
			primary_keywords.push_back( wstring_to_utf8str(token->getToken()) );
		}
		else
		{
			secondary_keywords.push_back( wstring_to_utf8str(token->getToken()) );
		}
	}

	// Case-insensitive dictionary sort for primary keywords. We don't sort the secondary
	// keywords. They're intelligently grouped in keywords.ini.
	std::stable_sort( primary_keywords.begin(), primary_keywords.end(), LLSECKeywordCompare() );

	for (std::vector<std::string>::const_iterator iter= primary_keywords.begin();
			iter!= primary_keywords.end(); ++iter)
	{
		mFunctions->add(*iter);
	}

	for (std::vector<std::string>::const_iterator iter= secondary_keywords.begin();
			iter!= secondary_keywords.end(); ++iter)
	{
		mFunctions->add(*iter);
	}

	return TRUE;
}

void LLScriptEdCore::initMenu()
{
	// *TODO: Skinning - make these callbacks data driven
	LLMenuItemCallGL* menuItem;
	
	menuItem = getChild<LLMenuItemCallGL>("Save");
	menuItem->setClickCallback(boost::bind(&LLScriptEdCore::doSave, this, FALSE));
	menuItem->setEnableCallback(boost::bind(&LLScriptEdCore::hasChanged, this));
	
	menuItem = getChild<LLMenuItemCallGL>("Revert All Changes");
	menuItem->setClickCallback(boost::bind(&LLScriptEdCore::onBtnUndoChanges, this));
	menuItem->setEnableCallback(boost::bind(&LLScriptEdCore::hasChanged, this));

	menuItem = getChild<LLMenuItemCallGL>("Undo");
	menuItem->setClickCallback(boost::bind(&LLTextEditor::undo, mEditor));
	menuItem->setEnableCallback(boost::bind(&LLTextEditor::canUndo, mEditor));

	menuItem = getChild<LLMenuItemCallGL>("Redo");
	menuItem->setClickCallback(boost::bind(&LLTextEditor::redo, mEditor));
	menuItem->setEnableCallback(boost::bind(&LLTextEditor::canRedo, mEditor));

	menuItem = getChild<LLMenuItemCallGL>("Cut");
	menuItem->setClickCallback(boost::bind(&LLTextEditor::cut, mEditor));
	menuItem->setEnableCallback(boost::bind(&LLTextEditor::canCut, mEditor));

	menuItem = getChild<LLMenuItemCallGL>("Copy");
	menuItem->setClickCallback(boost::bind(&LLTextEditor::copy, mEditor));
	menuItem->setEnableCallback(boost::bind(&LLTextEditor::canCopy, mEditor));

	menuItem = getChild<LLMenuItemCallGL>("Paste");
	menuItem->setClickCallback(boost::bind(&LLTextEditor::paste, mEditor));
	menuItem->setEnableCallback(boost::bind(&LLTextEditor::canPaste, mEditor));

	menuItem = getChild<LLMenuItemCallGL>("Select All");
	menuItem->setClickCallback(boost::bind(&LLTextEditor::selectAll, mEditor));
	menuItem->setEnableCallback(boost::bind(&LLTextEditor::canSelectAll, mEditor));

	menuItem = getChild<LLMenuItemCallGL>("Search / Replace...");
	menuItem->setClickCallback(boost::bind(&LLFloaterScriptSearch::show, this));

	menuItem = getChild<LLMenuItemCallGL>("Help...");
	menuItem->setClickCallback(boost::bind(&LLScriptEdCore::onBtnHelp, this));

	menuItem = getChild<LLMenuItemCallGL>("Keyword Help...");
	menuItem->setClickCallback(boost::bind(&LLScriptEdCore::onBtnDynamicHelp, this));

	menuItem = getChild<LLMenuItemCallGL>("LoadFromFile");
	menuItem->setClickCallback(boost::bind(&LLScriptEdCore::onBtnLoadFromFile, this));
	menuItem->setEnableCallback(boost::bind(&LLScriptEdCore::enableLoadFromFileMenu, this));

	menuItem = getChild<LLMenuItemCallGL>("SaveToFile");
	menuItem->setClickCallback(boost::bind(&LLScriptEdCore::onBtnSaveToFile, this));
	menuItem->setEnableCallback(boost::bind(&LLScriptEdCore::enableSaveToFileMenu, this));
}

void LLScriptEdCore::setScriptText(const std::string& text, BOOL is_valid)
{
	if (mEditor)
	{
		mEditor->setText(text);
		mHasScriptData = is_valid;
	}
}

bool LLScriptEdCore::loadScriptText(const std::string& filename)
{
	if (filename.empty())
	{
		llwarns << "Empty file name" << llendl;
		return false;
	}

	LLFILE* file = LLFile::fopen(filename, "rb");		/*Flawfinder: ignore*/
	if (!file)
	{
		llwarns << "Error opening " << filename << llendl;
		return false;
	}

	// read in the whole file
	fseek(file, 0L, SEEK_END);
	size_t file_length = (size_t) ftell(file);
	fseek(file, 0L, SEEK_SET);
	char* buffer = new char[file_length+1];
	size_t nread = fread(buffer, 1, file_length, file);
	if (nread < file_length)
	{
		llwarns << "Short read" << llendl;
	}
	buffer[nread] = '\0';
	fclose(file);

	mEditor->setText(LLStringExplicit(buffer));
	delete[] buffer;

	return true;
}

bool LLScriptEdCore::writeToFile(const std::string& filename)
{
	LLFILE* fp = LLFile::fopen(filename, "wb");
	if (!fp)
	{
		llwarns << "Unable to write to " << filename << llendl;

		LLSD row;
		row["columns"][0]["value"] = "Error writing to local file. Is your hard drive full?";
		row["columns"][0]["font"] = "SANSSERIF_SMALL";
		mErrorList->addElement(row);
		return false;
	}

	std::string utf8text = mEditor->getText();

	// Special case for a completely empty script - stuff in one space so it can store properly.  See SL-46889
	if (utf8text.size() == 0)
	{
		utf8text = " ";
	}

	fputs(utf8text.c_str(), fp);
	fclose(fp);
	return true;
}

void LLScriptEdCore::sync()
{
	// Sync with external editor.
	std::string tmp_file = mContainer->getTmpFileName();
	llstat s;
	if (LLFile::stat(tmp_file, &s) == 0) // file exists
	{
		if (mLiveFile) mLiveFile->ignoreNextUpdate();
		writeToFile(tmp_file);
	}
}

bool LLScriptEdCore::hasChanged()
{
	if (!mEditor) return false;

	return ((!mEditor->isPristine() || mEnableSave) && mHasScriptData);
}

void LLScriptEdCore::draw()
{
	BOOL script_changed	= hasChanged();
	getChildView("Save_btn")->setEnabled(script_changed);

	if( mEditor->hasFocus() )
	{
		S32 line = 0;
		S32 column = 0;
		mEditor->getCurrentLineAndColumn( &line, &column, FALSE );  // don't include wordwrap
		LLStringUtil::format_map_t args;
		std::string cursor_pos;
		args["[LINE]"] = llformat ("%d", line);
		args["[COLUMN]"] = llformat ("%d", column);
		cursor_pos = LLTrans::getString("CursorPos", args);
		getChild<LLUICtrl>("line_col")->setValue(cursor_pos);
	}
	else
	{
		getChild<LLUICtrl>("line_col")->setValue(LLStringUtil::null);
	}

	updateDynamicHelp();

	LLPanel::draw();
}

void LLScriptEdCore::updateDynamicHelp(BOOL immediate)
{
	LLFloater* help_floater = mLiveHelpHandle.get();
	if (!help_floater) return;

	// update back and forward buttons
	LLButton* fwd_button = help_floater->getChild<LLButton>("fwd_btn");
	LLButton* back_button = help_floater->getChild<LLButton>("back_btn");
	LLMediaCtrl* browser = help_floater->getChild<LLMediaCtrl>("lsl_guide_html");
	back_button->setEnabled(browser->canNavigateBack());
	fwd_button->setEnabled(browser->canNavigateForward());

	if (!immediate && !gSavedSettings.getBOOL("ScriptHelpFollowsCursor"))
	{
		return;
	}

	LLTextSegmentPtr segment = NULL;
	std::vector<LLTextSegmentPtr> selected_segments;
	mEditor->getSelectedSegments(selected_segments);

	// try segments in selection range first
	std::vector<LLTextSegmentPtr>::iterator segment_iter;
	for (segment_iter = selected_segments.begin(); segment_iter != selected_segments.end(); ++segment_iter)
	{
		if((*segment_iter)->getToken() && (*segment_iter)->getToken()->getType() == LLKeywordToken::WORD)
		{
			segment = *segment_iter;
			break;
		}
	}

	// then try previous segment in case we just typed it
	if (!segment)
	{
		const LLTextSegmentPtr test_segment = mEditor->getPreviousSegment();
		if(test_segment->getToken() && test_segment->getToken()->getType() == LLKeywordToken::WORD)
		{
			segment = test_segment;
		}
	}

	if (segment)
	{
		if (segment->getToken() != mLastHelpToken)
		{
			mLastHelpToken = segment->getToken();
			mLiveHelpTimer.start();
		}
		if (immediate || (mLiveHelpTimer.getStarted() && mLiveHelpTimer.getElapsedTimeF32() > LIVE_HELP_REFRESH_TIME))
		{
			std::string help_string = mEditor->getText().substr(segment->getStart(), segment->getEnd() - segment->getStart());
			setHelpPage(help_string);
			mLiveHelpTimer.stop();
		}
	}
	else
	{
		if (immediate)
		{
			setHelpPage(LLStringUtil::null);
		}
	}
}

void LLScriptEdCore::setHelpPage(const std::string& help_string)
{
	LLFloater* help_floater = mLiveHelpHandle.get();
	if (!help_floater) return;
	
	LLMediaCtrl* web_browser = help_floater->getChild<LLMediaCtrl>("lsl_guide_html");
	if (!web_browser) return;

	LLComboBox* history_combo = help_floater->getChild<LLComboBox>("history_combo");
	if (!history_combo) return;

	LLUIString url_string = gSavedSettings.getString("LSLHelpURL");

	url_string.setArg("[LSL_STRING]", help_string);

	addHelpItemToHistory(help_string);

	web_browser->navigateTo(url_string);

}


void LLScriptEdCore::addHelpItemToHistory(const std::string& help_string)
{
	if (help_string.empty()) return;

	LLFloater* help_floater = mLiveHelpHandle.get();
	if (!help_floater) return;

	LLComboBox* history_combo = help_floater->getChild<LLComboBox>("history_combo");
	if (!history_combo) return;

	// separate history items from full item list
	if (mLiveHelpHistorySize == 0)
	{
		history_combo->addSeparator(ADD_TOP);
	}
	// delete all history items over history limit
	while(mLiveHelpHistorySize > MAX_HISTORY_COUNT - 1)
	{
		history_combo->remove(mLiveHelpHistorySize - 1);
		mLiveHelpHistorySize--;
	}

	history_combo->setSimple(help_string);
	S32 index = history_combo->getCurrentIndex();

	// if help string exists in the combo box
	if (index >= 0)
	{
		S32 cur_index = history_combo->getCurrentIndex();
		if (cur_index < mLiveHelpHistorySize)
		{
			// item found in history, bubble up to top
			history_combo->remove(history_combo->getCurrentIndex());
			mLiveHelpHistorySize--;
		}
	}
	history_combo->add(help_string, LLSD(help_string), ADD_TOP);
	history_combo->selectFirstItem();
	mLiveHelpHistorySize++;
}

BOOL LLScriptEdCore::canClose()
{
	if(mForceClose || !hasChanged())
	{
		return TRUE;
	}
	else
	{
		// Bring up view-modal dialog: Save changes? Yes, No, Cancel
		LLNotificationsUtil::add("SaveChanges", LLSD(), LLSD(), boost::bind(&LLScriptEdCore::handleSaveChangesDialog, this, _1, _2));
		return FALSE;
	}
}

void LLScriptEdCore::setEnableEditing(bool enable)
{
	mEditor->setEnabled(enable);
	getChildView("Edit_btn")->setEnabled(enable);
}

bool LLScriptEdCore::handleSaveChangesDialog(const LLSD& notification, const LLSD& response )
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
	switch( option )
	{
	case 0:  // "Yes"
		// close after saving
			doSave( TRUE );
		break;

	case 1:  // "No"
		mForceClose = TRUE;
		// This will close immediately because mForceClose is true, so we won't
		// infinite loop with these dialogs. JC
		((LLFloater*) getParent())->closeFloater();
		break;

	case 2: // "Cancel"
	default:
		// If we were quitting, we didn't really mean it.
        LLAppViewer::instance()->abortQuit();
		break;
	}
	return false;
}

void LLScriptEdCore::onBtnHelp()
{
	LLUI::sHelpImpl->showTopic(HELP_LSL_PORTAL_TOPIC);
}

void LLScriptEdCore::onBtnDynamicHelp()
{
	LLFloater* live_help_floater = mLiveHelpHandle.get();
	if (!live_help_floater)
	{
		live_help_floater = new LLFloater(LLSD());
		live_help_floater->buildFromFile("floater_lsl_guide.xml", NULL);
		LLFloater* parent = dynamic_cast<LLFloater*>(getParent());
		llassert(parent);
		if (parent)
			parent->addDependentFloater(live_help_floater, TRUE);
		live_help_floater->childSetCommitCallback("lock_check", onCheckLock, this);
		live_help_floater->getChild<LLUICtrl>("lock_check")->setValue(gSavedSettings.getBOOL("ScriptHelpFollowsCursor"));
		live_help_floater->childSetCommitCallback("history_combo", onHelpComboCommit, this);
		live_help_floater->childSetAction("back_btn", onClickBack, this);
		live_help_floater->childSetAction("fwd_btn", onClickForward, this);

		LLMediaCtrl* browser = live_help_floater->getChild<LLMediaCtrl>("lsl_guide_html");
		browser->setAlwaysRefresh(TRUE);

		LLComboBox* help_combo = live_help_floater->getChild<LLComboBox>("history_combo");
		LLKeywordToken *token;
		LLKeywords::keyword_iterator_t token_it;
		for (token_it = mEditor->keywordsBegin(); 
		     token_it != mEditor->keywordsEnd(); 
		     ++token_it)
		{
			token = token_it->second;
			help_combo->add(wstring_to_utf8str(token->getToken()));
		}
		help_combo->sortByName();

		// re-initialize help variables
		mLastHelpToken = NULL;
		mLiveHelpHandle = live_help_floater->getHandle();
		mLiveHelpHistorySize = 0;
	}

	BOOL visible = TRUE;
	BOOL take_focus = TRUE;
	live_help_floater->setVisible(visible);
	live_help_floater->setFrontmost(take_focus);

	updateDynamicHelp(TRUE);
}

//static 
void LLScriptEdCore::onClickBack(void* userdata)
{
	LLScriptEdCore* corep = (LLScriptEdCore*)userdata;
	LLFloater* live_help_floater = corep->mLiveHelpHandle.get();
	if (live_help_floater)
	{
		LLMediaCtrl* browserp = live_help_floater->getChild<LLMediaCtrl>("lsl_guide_html");
		if (browserp)
		{
			browserp->navigateBack();
		}
	}
}

//static 
void LLScriptEdCore::onClickForward(void* userdata)
{
	LLScriptEdCore* corep = (LLScriptEdCore*)userdata;
	LLFloater* live_help_floater = corep->mLiveHelpHandle.get();
	if (live_help_floater)
	{
		LLMediaCtrl* browserp = live_help_floater->getChild<LLMediaCtrl>("lsl_guide_html");
		if (browserp)
		{
			browserp->navigateForward();
		}
	}
}

// static
void LLScriptEdCore::onCheckLock(LLUICtrl* ctrl, void* userdata)
{
	LLScriptEdCore* corep = (LLScriptEdCore*)userdata;

	// clear out token any time we lock the frame, so we will refresh web page immediately when unlocked
	gSavedSettings.setBOOL("ScriptHelpFollowsCursor", ctrl->getValue().asBoolean());

	corep->mLastHelpToken = NULL;
}

// static 
void LLScriptEdCore::onBtnInsertSample(void* userdata)
{
	LLScriptEdCore* self = (LLScriptEdCore*) userdata;

	// Insert sample code
	self->mEditor->selectAll();
	self->mEditor->cut();
	self->mEditor->insertText(self->mSampleText);
}

// static 
void LLScriptEdCore::onHelpComboCommit(LLUICtrl* ctrl, void* userdata)
{
	LLScriptEdCore* corep = (LLScriptEdCore*)userdata;

	LLFloater* live_help_floater = corep->mLiveHelpHandle.get();
	if (live_help_floater)
	{
		std::string help_string = ctrl->getValue().asString();

		corep->addHelpItemToHistory(help_string);

		LLMediaCtrl* web_browser = live_help_floater->getChild<LLMediaCtrl>("lsl_guide_html");
		LLUIString url_string = gSavedSettings.getString("LSLHelpURL");
		url_string.setArg("[LSL_STRING]", help_string);
		web_browser->navigateTo(url_string);
	}
}

// static 
void LLScriptEdCore::onBtnInsertFunction(LLUICtrl *ui, void* userdata)
{
	LLScriptEdCore* self = (LLScriptEdCore*) userdata;

	// Insert sample code
	if(self->mEditor->getEnabled())
	{
		self->mEditor->insertText(self->mFunctions->getSimple());
	}
	self->mEditor->setFocus(TRUE);
	self->setHelpPage(self->mFunctions->getSimple());
}

void LLScriptEdCore::doSave( BOOL close_after_save )
{
	LLViewerStats::getInstance()->incStat( LLViewerStats::ST_LSL_SAVE_COUNT );

	if( mSaveCallback )
	{
		mSaveCallback( mUserdata, close_after_save );
	}
}

void LLScriptEdCore::openInExternalEditor()
{
	delete mLiveFile; // deletes file

	// Save the script to a temporary file.
	std::string filename = mContainer->getTmpFileName();
	writeToFile(filename);

	// Start watching file changes.
	mLiveFile = new LLLiveLSLFile(filename, boost::bind(&LLScriptEdContainer::onExternalChange, mContainer, _1));
	mLiveFile->addToEventTimer();

	// Open it in external editor.
	{
		LLExternalEditor ed;
		LLExternalEditor::EErrorCode status;
		std::string msg;

		status = ed.setCommand("LL_SCRIPT_EDITOR");
		if (status != LLExternalEditor::EC_SUCCESS)
		{
			if (status == LLExternalEditor::EC_NOT_SPECIFIED) // Use custom message for this error.
			{
				msg = getString("external_editor_not_set");
			}
			else
			{
				msg = LLExternalEditor::getErrorMessage(status);
			}

			LLNotificationsUtil::add("GenericAlert", LLSD().with("MESSAGE", msg));
			return;
		}

		status = ed.run(filename);
		if (status != LLExternalEditor::EC_SUCCESS)
		{
			msg = LLExternalEditor::getErrorMessage(status);
			LLNotificationsUtil::add("GenericAlert", LLSD().with("MESSAGE", msg));
		}
	}
}

void LLScriptEdCore::onBtnUndoChanges()
{
	if( !mEditor->tryToRevertToPristineState() )
	{
		LLNotificationsUtil::add("ScriptCannotUndo", LLSD(), LLSD(), boost::bind(&LLScriptEdCore::handleReloadFromServerDialog, this, _1, _2));
	}
}

// static
void LLScriptEdCore::onErrorList(LLUICtrl*, void* user_data)
{
	LLScriptEdCore* self = (LLScriptEdCore*)user_data;
	LLScrollListItem* item = self->mErrorList->getFirstSelected();
	if(item)
	{
		// *FIX: replace with boost grep
		S32 row = 0;
		S32 column = 0;
		const LLScrollListCell* cell = item->getColumn(0);
		std::string line(cell->getValue().asString());
		line.erase(0, 1);
		LLStringUtil::replaceChar(line, ',',' ');
		LLStringUtil::replaceChar(line, ')',' ');
		sscanf(line.c_str(), "%d %d", &row, &column);
		//llinfos << "LLScriptEdCore::onErrorList() - " << row << ", "
		//<< column << llendl;
		self->mEditor->setCursor(row, column);
		self->mEditor->setFocus(TRUE);
	}
}

bool LLScriptEdCore::handleReloadFromServerDialog(const LLSD& notification, const LLSD& response )
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);
	switch( option )
	{
	case 0: // "Yes"
		if( mLoadCallback )
		{
			setScriptText(getString("loading"), FALSE);
			mLoadCallback(mUserdata);
		}
		break;

	case 1: // "No"
		break;

	default:
		llassert(0);
		break;
	}
	return false;
}

void LLScriptEdCore::selectFirstError()
{
	// Select the first item;
	mErrorList->selectFirstItem();
	onErrorList(mErrorList, this);
}


struct LLEntryAndEdCore
{
	LLScriptEdCore* mCore;
	LLEntryAndEdCore(LLScriptEdCore* core) :
		mCore(core)
		{}
};

void LLScriptEdCore::deleteBridges()
{
	S32 count = mBridges.count();
	LLEntryAndEdCore* eandc;
	for(S32 i = 0; i < count; i++)
	{
		eandc = mBridges.get(i);
		delete eandc;
		mBridges[i] = NULL;
	}
	mBridges.reset();
}

// virtual
BOOL LLScriptEdCore::handleKeyHere(KEY key, MASK mask)
{
	bool just_control = MASK_CONTROL == (mask & MASK_MODIFIERS);

	if(('S' == key) && just_control)
	{
		if(mSaveCallback)
		{
			// don't close after saving
			mSaveCallback(mUserdata, FALSE);
		}

		return TRUE;
	}

	if(('F' == key) && just_control)
	{
		if(mSearchReplaceCallback)
		{
			mSearchReplaceCallback(mUserdata);
		}

		return TRUE;
	}

	return FALSE;
}

void LLScriptEdCore::onBtnLoadFromFile( void* data )
{
	LLScriptEdCore* self = (LLScriptEdCore*) data;

	// TODO Maybe add a dialogue warning here if the current file has unsaved changes.
	LLFilePicker& file_picker = LLFilePicker::instance();
	if( !file_picker.getOpenFile( LLFilePicker::FFLOAD_SCRIPT ) )
	{
		//File picking cancelled by user, so nothing to do.
		return;
	}

	std::string filename = file_picker.getFirstFile();

	std::ifstream fin(filename.c_str());

	std::string line;
	std::string text;
	std::string linetotal;
	while (!fin.eof())
	{ 
		getline(fin,line);
		text += line;
		if (!fin.eof())
		{
			text += "\n";
		}
	}
	fin.close();

	// Only replace the script if there is something to replace with.
	if (text.length() > 0)
	{
		self->mEditor->selectAll();
		LLWString script(utf8str_to_wstring(text));
		self->mEditor->insertText(script);
	}
}

void LLScriptEdCore::onBtnSaveToFile( void* userdata )
{

	LLViewerStats::getInstance()->incStat( LLViewerStats::ST_LSL_SAVE_COUNT );

	LLScriptEdCore* self = (LLScriptEdCore*) userdata;

	if( self->mSaveCallback )
	{
		LLFilePicker& file_picker = LLFilePicker::instance();
		if( file_picker.getSaveFile( LLFilePicker::FFSAVE_SCRIPT ) )
		{
			std::string filename = file_picker.getFirstFile();
			std::string scriptText=self->mEditor->getText();
			std::ofstream fout(filename.c_str());
			fout<<(scriptText);
			fout.close();
			self->mSaveCallback( self->mUserdata, FALSE );
		}
	}
}

bool LLScriptEdCore::canLoadOrSaveToFile( void* userdata )
{
	LLScriptEdCore* self = (LLScriptEdCore*) userdata;
	return self->mEditor->canLoadOrSaveToFile();
}

// static
bool LLScriptEdCore::enableSaveToFileMenu(void* userdata)
{
	LLScriptEdCore* self = (LLScriptEdCore*)userdata;
	if (!self || !self->mEditor) return FALSE;
	return self->mEditor->canLoadOrSaveToFile();
}

// static 
bool LLScriptEdCore::enableLoadFromFileMenu(void* userdata)
{
	LLScriptEdCore* self = (LLScriptEdCore*)userdata;
	return (self && self->mEditor) ? self->mEditor->canLoadOrSaveToFile() : FALSE;
}

/// ---------------------------------------------------------------------------
/// LLScriptEdContainer
/// ---------------------------------------------------------------------------

LLScriptEdContainer::LLScriptEdContainer(const LLSD& key)
:	LLPreview(key)
,	mScriptEd(NULL)
{
}

std::string LLScriptEdContainer::getTmpFileName()
{
	// Take script inventory item id (within the object inventory)
	// to consideration so that it's possible to edit multiple scripts
	// in the same object inventory simultaneously (STORM-781).
	std::string script_id = mObjectUUID.asString() + "_" + mItemUUID.asString();

	// Use MD5 sum to make the file name shorter and not exceed maximum path length.
	char script_id_hash_str[33];               /* Flawfinder: ignore */
	LLMD5 script_id_hash((const U8 *)script_id.c_str());
	script_id_hash.hex_digest(script_id_hash_str);

	return std::string(LLFile::tmpdir()) + "sl_script_" + script_id_hash_str + ".lsl";
}

bool LLScriptEdContainer::onExternalChange(const std::string& filename)
{
	if (!mScriptEd->loadScriptText(filename))
	{
		return false;
	}

	// Disable sync to avoid recursive load->save->load calls.
	saveIfNeeded(false);
	return true;
}

/// ---------------------------------------------------------------------------
/// LLPreviewLSL
/// ---------------------------------------------------------------------------

struct LLScriptSaveInfo
{
	LLUUID mItemUUID;
	std::string mDescription;
	LLTransactionID mTransactionID;

	LLScriptSaveInfo(const LLUUID& uuid, const std::string& desc, LLTransactionID tid) :
		mItemUUID(uuid), mDescription(desc),  mTransactionID(tid) {}
};



//static
void* LLPreviewLSL::createScriptEdPanel(void* userdata)
{
	
	LLPreviewLSL *self = (LLPreviewLSL*)userdata;

	self->mScriptEd =  new LLScriptEdCore(
								   self,
								   HELLO_LSL,
								   self->getHandle(),
								   LLPreviewLSL::onLoad,
								   LLPreviewLSL::onSave,
								   LLPreviewLSL::onSearchReplace,
								   self,
								   0);

	return self->mScriptEd;
}


LLPreviewLSL::LLPreviewLSL(const LLSD& key )
:	LLScriptEdContainer(key),
	mPendingUploads(0)
{
	mFactoryMap["script panel"] = LLCallbackMap(LLPreviewLSL::createScriptEdPanel, this);
}

// virtual
BOOL LLPreviewLSL::postBuild()
{
	const LLInventoryItem* item = getItem();	

	llassert(item);
	if (item)
	{
		getChild<LLUICtrl>("desc")->setValue(item->getDescription());
	}
	childSetCommitCallback("desc", LLPreview::onText, this);
	getChild<LLLineEditor>("desc")->setPrevalidate(&LLTextValidate::validateASCIIPrintableNoPipe);

	return LLPreview::postBuild();
}

// virtual
void LLPreviewLSL::callbackLSLCompileSucceeded()
{
	llinfos << "LSL Bytecode saved" << llendl;
	mScriptEd->mErrorList->setCommentText(LLTrans::getString("CompileSuccessful"));
	mScriptEd->mErrorList->setCommentText(LLTrans::getString("SaveComplete"));
	closeIfNeeded();
}

// virtual
void LLPreviewLSL::callbackLSLCompileFailed(const LLSD& compile_errors)
{
	llinfos << "Compile failed!" << llendl;

	for(LLSD::array_const_iterator line = compile_errors.beginArray();
		line < compile_errors.endArray();
		line++)
	{
		LLSD row;
		std::string error_message = line->asString();
		LLStringUtil::stripNonprintable(error_message);
		row["columns"][0]["value"] = error_message;
		row["columns"][0]["font"] = "OCRA";
		mScriptEd->mErrorList->addElement(row);
	}
	mScriptEd->selectFirstError();
	closeIfNeeded();
}

void LLPreviewLSL::loadAsset()
{
	// *HACK: we poke into inventory to see if it's there, and if so,
	// then it might be part of the inventory library. If it's in the
	// library, then you can see the script, but not modify it.
	const LLInventoryItem* item = gInventory.getItem(mItemUUID);
	BOOL is_library = item
		&& !gInventory.isObjectDescendentOf(mItemUUID,
											gInventory.getRootFolderID());
	if(!item)
	{
		// do the more generic search.
		getItem();
	}
	if(item)
	{
		BOOL is_copyable = gAgent.allowOperation(PERM_COPY, 
								item->getPermissions(), GP_OBJECT_MANIPULATE);
		BOOL is_modifiable = gAgent.allowOperation(PERM_MODIFY,
								item->getPermissions(), GP_OBJECT_MANIPULATE);
		if (gAgent.isGodlike() || (is_copyable && (is_modifiable || is_library)))
		{
			LLUUID* new_uuid = new LLUUID(mItemUUID);
			gAssetStorage->getInvItemAsset(LLHost::invalid,
										gAgent.getID(),
										gAgent.getSessionID(),
										item->getPermissions().getOwner(),
										LLUUID::null,
										item->getUUID(),
										item->getAssetUUID(),
										item->getType(),
										&LLPreviewLSL::onLoadComplete,
										(void*)new_uuid,
										TRUE);
			mAssetStatus = PREVIEW_ASSET_LOADING;
		}
		else
		{
			mScriptEd->setScriptText(mScriptEd->getString("can_not_view"), FALSE);
			mScriptEd->mEditor->makePristine();
			mScriptEd->mFunctions->setEnabled(FALSE);
			mAssetStatus = PREVIEW_ASSET_LOADED;
		}
		getChildView("lock")->setVisible( !is_modifiable);
		mScriptEd->getChildView("Insert...")->setEnabled(is_modifiable);
	}
	else
	{
		mScriptEd->setScriptText(std::string(HELLO_LSL), TRUE);
		mScriptEd->setEnableEditing(TRUE);
		mAssetStatus = PREVIEW_ASSET_LOADED;
	}
}


BOOL LLPreviewLSL::canClose()
{
	return mScriptEd->canClose();
}

void LLPreviewLSL::closeIfNeeded()
{
	// Find our window and close it if requested.
	getWindow()->decBusyCount();
	mPendingUploads--;
	if (mPendingUploads <= 0 && mCloseAfterSave)
	{
		closeFloater();
	}
}

void LLPreviewLSL::onSearchReplace(void* userdata)
{
	LLPreviewLSL* self = (LLPreviewLSL*)userdata;
	LLScriptEdCore* sec = self->mScriptEd; 
	LLFloaterScriptSearch::show(sec);
}

// static
void LLPreviewLSL::onLoad(void* userdata)
{
	LLPreviewLSL* self = (LLPreviewLSL*)userdata;
	self->loadAsset();
}

// static
void LLPreviewLSL::onSave(void* userdata, BOOL close_after_save)
{
	LLPreviewLSL* self = (LLPreviewLSL*)userdata;
	self->mCloseAfterSave = close_after_save;
	self->saveIfNeeded();
}

// Save needs to compile the text in the buffer. If the compile
// succeeds, then save both assets out to the database. If the compile
// fails, go ahead and save the text anyway.
void LLPreviewLSL::saveIfNeeded(bool sync /*= true*/)
{
	// llinfos << "LLPreviewLSL::saveIfNeeded()" << llendl;
	if(!mScriptEd->hasChanged())
	{
		return;
	}

	mPendingUploads = 0;
	mScriptEd->mErrorList->deleteAllItems();
	mScriptEd->mEditor->makePristine();

	// save off asset into file
	LLTransactionID tid;
	tid.generate();
	LLAssetID asset_id = tid.makeAssetID(gAgent.getSecureSessionID());
	std::string filepath = gDirUtilp->getExpandedFilename(LL_PATH_CACHE,asset_id.asString());
	std::string filename = filepath + ".lsl";

	mScriptEd->writeToFile(filename);

	if (sync)
	{
		mScriptEd->sync();
	}

	const LLInventoryItem *inv_item = getItem();
	// save it out to asset server
	std::string url = gAgent.getRegion()->getCapability("UpdateScriptAgent");
	if(inv_item)
	{
		getWindow()->incBusyCount();
		mPendingUploads++;
		if (!url.empty())
		{
			uploadAssetViaCaps(url, filename, mItemUUID);
		}
		else if (gAssetStorage)
		{
			uploadAssetLegacy(filename, mItemUUID, tid);
		}
	}
}

void LLPreviewLSL::uploadAssetViaCaps(const std::string& url,
									  const std::string& filename,
									  const LLUUID& item_id)
{
	llinfos << "Update Agent Inventory via capability" << llendl;
	LLSD body;
	body["item_id"] = item_id;
	body["target"] = "lsl2";
	LLHTTPClient::post(url, body, new LLUpdateAgentInventoryResponder(body, filename, LLAssetType::AT_LSL_TEXT));
}

void LLPreviewLSL::uploadAssetLegacy(const std::string& filename,
									  const LLUUID& item_id,
									  const LLTransactionID& tid)
{
	LLLineEditor* descEditor = getChild<LLLineEditor>("desc");
	LLScriptSaveInfo* info = new LLScriptSaveInfo(item_id,
								descEditor->getText(),
								tid);
	gAssetStorage->storeAssetData(filename,	tid,
								  LLAssetType::AT_LSL_TEXT,
								  &LLPreviewLSL::onSaveComplete,
								  info);

	LLAssetID asset_id = tid.makeAssetID(gAgent.getSecureSessionID());
	std::string filepath = gDirUtilp->getExpandedFilename(LL_PATH_CACHE,asset_id.asString());
	std::string dst_filename = llformat("%s.lso", filepath.c_str());
	std::string err_filename = llformat("%s.out", filepath.c_str());

	const BOOL compile_to_mono = FALSE;
	if(!lscript_compile(filename.c_str(),
						dst_filename.c_str(),
						err_filename.c_str(),
						compile_to_mono,
						asset_id.asString().c_str(),
						gAgent.isGodlike()))
	{
		llinfos << "Compile failed!" << llendl;
		//char command[256];
		//sprintf(command, "type %s\n", err_filename.c_str());
		//system(command);

		// load the error file into the error scrolllist
		LLFILE* fp = LLFile::fopen(err_filename, "r");
		if(fp)
		{
			char buffer[MAX_STRING];		/*Flawfinder: ignore*/
			std::string line;
			while(!feof(fp)) 
			{
				if (fgets(buffer, MAX_STRING, fp) == NULL)
				{
					buffer[0] = '\0';
				}
				if(feof(fp))
				{
					break;
				}
				else
				{
					line.assign(buffer);
					LLStringUtil::stripNonprintable(line);

					LLSD row;
					row["columns"][0]["value"] = line;
					row["columns"][0]["font"] = "OCRA";
					mScriptEd->mErrorList->addElement(row);
				}
			}
			fclose(fp);
			mScriptEd->selectFirstError();
		}
	}
	else
	{
		llinfos << "Compile worked!" << llendl;
		if(gAssetStorage)
		{
			getWindow()->incBusyCount();
			mPendingUploads++;
			LLUUID* this_uuid = new LLUUID(mItemUUID);
			gAssetStorage->storeAssetData(dst_filename,
										  tid,
										  LLAssetType::AT_LSL_BYTECODE,
										  &LLPreviewLSL::onSaveBytecodeComplete,
										  (void**)this_uuid);
		}
	}

	// get rid of any temp files left lying around
	LLFile::remove(filename);
	LLFile::remove(err_filename);
	LLFile::remove(dst_filename);
}


// static
void LLPreviewLSL::onSaveComplete(const LLUUID& asset_uuid, void* user_data, S32 status, LLExtStat ext_status) // StoreAssetData callback (fixed)
{
	LLScriptSaveInfo* info = reinterpret_cast<LLScriptSaveInfo*>(user_data);
	if(0 == status)
	{
		if (info)
		{
			const LLViewerInventoryItem* item;
			item = (const LLViewerInventoryItem*)gInventory.getItem(info->mItemUUID);
			if(item)
			{
				LLPointer<LLViewerInventoryItem> new_item = new LLViewerInventoryItem(item);
				new_item->setAssetUUID(asset_uuid);
				new_item->setTransactionID(info->mTransactionID);
				new_item->updateServer(FALSE);
				gInventory.updateItem(new_item);
				gInventory.notifyObservers();
			}
			else
			{
				llwarns << "Inventory item for script " << info->mItemUUID
					<< " is no longer in agent inventory." << llendl;
			}

			// Find our window and close it if requested.
			LLPreviewLSL* self = LLFloaterReg::findTypedInstance<LLPreviewLSL>("preview_script", info->mItemUUID);
			if (self)
			{
				getWindow()->decBusyCount();
				self->mPendingUploads--;
				if (self->mPendingUploads <= 0
					&& self->mCloseAfterSave)
				{
					self->closeFloater();
				}
			}
		}
	}
	else
	{
		llwarns << "Problem saving script: " << status << llendl;
		LLSD args;
		args["REASON"] = std::string(LLAssetStorage::getErrorString(status));
		LLNotificationsUtil::add("SaveScriptFailReason", args);
	}
	delete info;
}

// static
void LLPreviewLSL::onSaveBytecodeComplete(const LLUUID& asset_uuid, void* user_data, S32 status, LLExtStat ext_status) // StoreAssetData callback (fixed)
{
	LLUUID* instance_uuid = (LLUUID*)user_data;
	LLPreviewLSL* self = NULL;
	if(instance_uuid)
	{
		self = LLFloaterReg::findTypedInstance<LLPreviewLSL>("preview_script", *instance_uuid);
	}
	if (0 == status)
	{
		if (self)
		{
			LLSD row;
			row["columns"][0]["value"] = "Compile successful!";
			row["columns"][0]["font"] = "SANSSERIF_SMALL";
			self->mScriptEd->mErrorList->addElement(row);

			// Find our window and close it if requested.
			self->getWindow()->decBusyCount();
			self->mPendingUploads--;
			if (self->mPendingUploads <= 0
				&& self->mCloseAfterSave)
			{
				self->closeFloater();
			}
		}
	}
	else
	{
		llwarns << "Problem saving LSL Bytecode (Preview)" << llendl;
		LLSD args;
		args["REASON"] = std::string(LLAssetStorage::getErrorString(status));
		LLNotificationsUtil::add("SaveBytecodeFailReason", args);
	}
	delete instance_uuid;
}

// static
void LLPreviewLSL::onLoadComplete( LLVFS *vfs, const LLUUID& asset_uuid, LLAssetType::EType type,
								   void* user_data, S32 status, LLExtStat ext_status)
{
	lldebugs << "LLPreviewLSL::onLoadComplete: got uuid " << asset_uuid
		 << llendl;
	LLUUID* item_uuid = (LLUUID*)user_data;
	LLPreviewLSL* preview = LLFloaterReg::findTypedInstance<LLPreviewLSL>("preview_script", *item_uuid);
	if( preview )
	{
		if(0 == status)
		{
			LLVFile file(vfs, asset_uuid, type);
			S32 file_length = file.getSize();

			std::vector<char> buffer(file_length+1);
			file.read((U8*)&buffer[0], file_length);

			// put a EOS at the end
			buffer[file_length] = 0;
			preview->mScriptEd->setScriptText(LLStringExplicit(&buffer[0]), TRUE);
			preview->mScriptEd->mEditor->makePristine();
			LLInventoryItem* item = gInventory.getItem(*item_uuid);
			BOOL is_modifiable = FALSE;
			if(item
			   && gAgent.allowOperation(PERM_MODIFY, item->getPermissions(),
				   					GP_OBJECT_MANIPULATE))
			{
				is_modifiable = TRUE;		
			}
			preview->mScriptEd->setEnableEditing(is_modifiable);
			preview->mAssetStatus = PREVIEW_ASSET_LOADED;
		}
		else
		{
			LLViewerStats::getInstance()->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );

			if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
				LL_ERR_FILE_EMPTY == status)
			{
				LLNotificationsUtil::add("ScriptMissing");
			}
			else if (LL_ERR_INSUFFICIENT_PERMISSIONS == status)
			{
				LLNotificationsUtil::add("ScriptNoPermissions");
			}
			else
			{
				LLNotificationsUtil::add("UnableToLoadScript");
			}

			preview->mAssetStatus = PREVIEW_ASSET_ERROR;
			llwarns << "Problem loading script: " << status << llendl;
		}
	}
	delete item_uuid;
}


/// ---------------------------------------------------------------------------
/// LLLiveLSLEditor
/// ---------------------------------------------------------------------------


//static 
void* LLLiveLSLEditor::createScriptEdPanel(void* userdata)
{
	
	LLLiveLSLEditor *self = (LLLiveLSLEditor*)userdata;

	self->mScriptEd =  new LLScriptEdCore(
								   self,
								   HELLO_LSL,
								   self->getHandle(),
								   &LLLiveLSLEditor::onLoad,
								   &LLLiveLSLEditor::onSave,
								   &LLLiveLSLEditor::onSearchReplace,
								   self,
								   0);

	return self->mScriptEd;
}


LLLiveLSLEditor::LLLiveLSLEditor(const LLSD& key) :
	LLScriptEdContainer(key),
	mAskedForRunningInfo(FALSE),
	mHaveRunningInfo(FALSE),
	mCloseAfterSave(FALSE),
	mPendingUploads(0),
	mIsModifiable(FALSE),
	mIsNew(false)
{
	mFactoryMap["script ed panel"] = LLCallbackMap(LLLiveLSLEditor::createScriptEdPanel, this);
}

BOOL LLLiveLSLEditor::postBuild()
{
	childSetCommitCallback("running", LLLiveLSLEditor::onRunningCheckboxClicked, this);
	getChildView("running")->setEnabled(FALSE);

	childSetAction("Reset",&LLLiveLSLEditor::onReset,this);
	getChildView("Reset")->setEnabled(TRUE);

	mMonoCheckbox =	getChild<LLCheckBoxCtrl>("mono");
	childSetCommitCallback("mono", &LLLiveLSLEditor::onMonoCheckboxClicked, this);
	getChildView("mono")->setEnabled(FALSE);

	mScriptEd->mEditor->makePristine();
	mScriptEd->mEditor->setFocus(TRUE);

	return LLPreview::postBuild();
}

// virtual
void LLLiveLSLEditor::callbackLSLCompileSucceeded(const LLUUID& task_id,
												  const LLUUID& item_id,
												  bool is_script_running)
{
	lldebugs << "LSL Bytecode saved" << llendl;
	mScriptEd->mErrorList->setCommentText(LLTrans::getString("CompileSuccessful"));
	mScriptEd->mErrorList->setCommentText(LLTrans::getString("SaveComplete"));
	closeIfNeeded();
}

// virtual
void LLLiveLSLEditor::callbackLSLCompileFailed(const LLSD& compile_errors)
{
	lldebugs << "Compile failed!" << llendl;
	for(LLSD::array_const_iterator line = compile_errors.beginArray();
		line < compile_errors.endArray();
		line++)
	{
		LLSD row;
		std::string error_message = line->asString();
		LLStringUtil::stripNonprintable(error_message);
		row["columns"][0]["value"] = error_message;
		// *TODO: change to "MONOSPACE" and change llfontgl.cpp?
		row["columns"][0]["font"] = "OCRA";
		mScriptEd->mErrorList->addElement(row);
	}
	mScriptEd->selectFirstError();
	closeIfNeeded();
}

void LLLiveLSLEditor::loadAsset()
{
	//llinfos << "LLLiveLSLEditor::loadAsset()" << llendl;
	if(!mIsNew)
	{
		LLViewerObject* object = gObjectList.findObject(mObjectUUID);
		if(object)
		{
			LLViewerInventoryItem* item = dynamic_cast<LLViewerInventoryItem*>(object->getInventoryObject(mItemUUID));
			if(item 
				&& (gAgent.allowOperation(PERM_COPY, item->getPermissions(), GP_OBJECT_MANIPULATE)
				   || gAgent.isGodlike()))
			{
				mItem = new LLViewerInventoryItem(item);
				//llinfos << "asset id " << mItem->getAssetUUID() << llendl;
			}

			if(!gAgent.isGodlike()
			   && (item
				   && (!gAgent.allowOperation(PERM_COPY, item->getPermissions(), GP_OBJECT_MANIPULATE)
					   || !gAgent.allowOperation(PERM_MODIFY, item->getPermissions(), GP_OBJECT_MANIPULATE))))
			{
				mItem = new LLViewerInventoryItem(item);
				mScriptEd->setScriptText(getString("not_allowed"), FALSE);
				mScriptEd->mEditor->makePristine();
				mScriptEd->enableSave(FALSE);
				mAssetStatus = PREVIEW_ASSET_LOADED;
			}
			else if(item && mItem.notNull())
			{
				// request the text from the object
				LLUUID* user_data = new LLUUID(mItemUUID); //  ^ mObjectUUID
				gAssetStorage->getInvItemAsset(object->getRegion()->getHost(),
											   gAgent.getID(),
											   gAgent.getSessionID(),
											   item->getPermissions().getOwner(),
											   object->getID(),
											   item->getUUID(),
											   item->getAssetUUID(),
											   item->getType(),
											   &LLLiveLSLEditor::onLoadComplete,
											   (void*)user_data,
											   TRUE);
				LLMessageSystem* msg = gMessageSystem;
				msg->newMessageFast(_PREHASH_GetScriptRunning);
				msg->nextBlockFast(_PREHASH_Script);
				msg->addUUIDFast(_PREHASH_ObjectID, mObjectUUID);
				msg->addUUIDFast(_PREHASH_ItemID, mItemUUID);
				msg->sendReliable(object->getRegion()->getHost());
				mAskedForRunningInfo = TRUE;
				mAssetStatus = PREVIEW_ASSET_LOADING;
			}
			else
			{
				mScriptE…