llpreviewgesture.cpp

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#include "llviewerprecompiledheaders.h"

#include <algorithm>

#include "llpreviewgesture.h"

// libraries
#include "lldatapacker.h"
#include "lldarray.h"
#include "llstring.h"
#include "lldir.h"
#include "llmultigesture.h"
#include "llvfile.h"

// newview
#include "llagent.h"            // todo: remove
#include "llassetuploadresponders.h"
#include "llbutton.h"
#include "llcheckboxctrl.h"
#include "llcombobox.h"
#include "llfloatergesture.h" // for some label constants
#include "llgesturemgr.h"
#include "llinventorymodel.h"
#include "llkeyboard.h"
#include "lllineeditor.h"
#include "llnotify.h"
#include "llradiogroup.h"
#include "llscrolllistctrl.h"
#include "lltextbox.h"
#include "llvieweruictrlfactory.h"
#include "llviewerinventory.h"
#include "llviewerobject.h"
#include "llviewerobjectlist.h"
#include "llviewerregion.h"
#include "llviewerstats.h"
#include "llviewerwindow.h"             // busycount
#include "viewer.h"                     // gVFS

#include "llresmgr.h"

// *TODO: Translate?
const char NONE_LABEL[] = "---";
const char SHIFT_LABEL[] = "Shift";
const char CTRL_LABEL[] = "Ctrl";

void dialog_refresh_all();

// used for getting

class LLInventoryGestureAvailable : public LLInventoryCompletionObserver
{
public:
        LLInventoryGestureAvailable() {}

protected:
        virtual void done();
};

void LLInventoryGestureAvailable::done()
{
        LLPreview* preview = NULL;
        item_ref_t::iterator it = mComplete.begin();
        item_ref_t::iterator end = mComplete.end();
        for(; it < end; ++it)
        {
                preview = LLPreview::find((*it));
                if(preview)
                {
                        preview->refresh();
                }
        }
        gInventory.removeObserver(this);
        delete this;
}

// Used for sorting
struct SortItemPtrsByName
{
        bool operator()(const LLInventoryItem* i1, const LLInventoryItem* i2)
        {
                return (LLString::compareDict(i1->getName(), i2->getName()) < 0);
        }
};

// static
LLPreviewGesture* LLPreviewGesture::show(const std::string& title, const LLUUID& item_id, const LLUUID& object_id, BOOL take_focus)
{
        LLPreviewGesture* previewp = (LLPreviewGesture*)LLPreview::find(item_id);
        if (previewp)
        {
                previewp->open();   /*Flawfinder: ignore*/
                if (take_focus)
                {
                        previewp->setFocus(TRUE);
                }
                return previewp;
        }

        LLPreviewGesture* self = new LLPreviewGesture();

        // Finish internal construction
        self->init(item_id, object_id);

        // Builds and adds to gFloaterView
        gUICtrlFactory->buildFloater(self, "floater_preview_gesture.xml");
        self->setTitle(title);

        // Move window to top-left of screen
        LLMultiFloater* hostp = self->getHost();
        if (hostp == NULL)
        {
                LLRect r = self->getRect();
                LLRect screen = gFloaterView->getRect();
                r.setLeftTopAndSize(0, screen.getHeight(), r.getWidth(), r.getHeight());
                self->setRect(r);
        }
        else
        {
                // re-add to host to update title
                hostp->addFloater(self, TRUE);
        }

        // Start speculative download of sounds and animations
        LLUUID animation_folder_id = gInventory.findCategoryUUIDForType(LLAssetType::AT_ANIMATION);
        gInventory.startBackgroundFetch(animation_folder_id);

        LLUUID sound_folder_id = gInventory.findCategoryUUIDForType(LLAssetType::AT_SOUND);
        gInventory.startBackgroundFetch(sound_folder_id);

        // this will call refresh when we have everything.
        LLViewerInventoryItem* item = (LLViewerInventoryItem*)self->getItem();
        if(item && !item->isComplete())
        {
                LLInventoryGestureAvailable* observer;
                observer = new LLInventoryGestureAvailable();
                observer->watchItem(item_id);
                gInventory.addObserver(observer);
                item->fetchFromServer();
        }
        else
        {
                // not sure this is necessary.
                self->refresh();
        }

        if (take_focus)
        {
                self->setFocus(TRUE);
        }

        return self;
}


// virtual
BOOL LLPreviewGesture::handleKeyHere(KEY key, MASK mask,
                                                                          BOOL called_from_parent)
{
        if(getVisible() && getEnabled())
        {
                if(('S' == key) && (MASK_CONTROL == (mask & MASK_CONTROL)))
                {
                        saveIfNeeded();
                        return TRUE;
                }
        }
        return LLPreview::handleKeyHere(key, mask, called_from_parent);
}


// virtual
BOOL LLPreviewGesture::handleDragAndDrop(S32 x, S32 y, MASK mask, BOOL drop,
                                                                                 EDragAndDropType cargo_type,
                                                                                 void* cargo_data,
                                                                                 EAcceptance* accept,
                                                                                 LLString& tooltip_msg)
{
        BOOL handled = TRUE;
        switch(cargo_type)
        {
        case DAD_ANIMATION:
        case DAD_SOUND:
                {
                        // TODO: Don't allow this if you can't transfer the sound/animation

                        // make a script step
                        LLInventoryItem* item = (LLInventoryItem*)cargo_data;
                        if (item
                                && gInventory.getItem(item->getUUID()))
                        {
                                LLPermissions perm = item->getPermissions();
                                if (!((perm.getMaskBase() & PERM_ITEM_UNRESTRICTED) == PERM_ITEM_UNRESTRICTED))
                                {
                                        *accept = ACCEPT_NO;
                                        if (tooltip_msg.empty())
                                        {
                                                tooltip_msg.assign("Only animations and sounds\n"
                                                                                        "with unrestricted permissions\n"
                                                                                        "can be added to a gesture.");
                                        }
                                        break;
                                }
                                else if (drop)
                                {
                                        LLScrollListItem* line = NULL;
                                        if (cargo_type == DAD_ANIMATION)
                                        {
                                                line = addStep("Animation");
                                                LLGestureStepAnimation* anim = (LLGestureStepAnimation*)line->getUserdata();
                                                anim->mAnimAssetID = item->getAssetUUID();
                                                anim->mAnimName = item->getName();
                                        }
                                        else if (cargo_type == DAD_SOUND)
                                        {
                                                line = addStep("Sound");
                                                LLGestureStepSound* sound = (LLGestureStepSound*)line->getUserdata();
                                                sound->mSoundAssetID = item->getAssetUUID();
                                                sound->mSoundName = item->getName();
                                        }
                                        updateLabel(line);
                                        mDirty = TRUE;
                                        refresh();
                                }
                                *accept = ACCEPT_YES_COPY_MULTI;
                        }
                        else
                        {
                                // Not in user's inventory means it was in object inventory
                                *accept = ACCEPT_NO;
                        }
                        break;
                }
        default:
                *accept = ACCEPT_NO;
                if (tooltip_msg.empty())
                {
                        tooltip_msg.assign("Only animations and sounds\n"
                                                                "can be added to a gesture.");
                }
                break;
        }
        return handled;
}


// virtual
BOOL LLPreviewGesture::canClose()
{

        if(!mDirty || mForceClose)
        {
                return TRUE;
        }
        else
        {
                // Bring up view-modal dialog: Save changes? Yes, No, Cancel
                gViewerWindow->alertXml("SaveChanges",
                                                                  handleSaveChangesDialog,
                                                                  this );
                return FALSE;
        }
}

// virtual
void LLPreviewGesture::onClose(bool app_quitting)
{
        gGestureManager.stopGesture(mPreviewGesture);
        LLPreview::onClose(app_quitting);
}

// virtual
void LLPreviewGesture::onUpdateSucceeded()
{
        refresh();
}

// virtual
void LLPreviewGesture::setMinimized(BOOL minimize)
{
        if (minimize != isMinimized())
        {
                LLFloater::setMinimized(minimize);

                // We're being restored
                if (!minimize)
                {
                        refresh();
                }
        }
}


// static
void LLPreviewGesture::handleSaveChangesDialog(S32 option, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;
        switch(option)
        {
        case 0:  // "Yes"
                gGestureManager.stopGesture(self->mPreviewGesture);
                self->mCloseAfterSave = TRUE;
                onClickSave(data);
                break;

        case 1:  // "No"
                gGestureManager.stopGesture(self->mPreviewGesture);
                self->mDirty = FALSE; // Force the dirty flag because user has clicked NO on confirm save dialog...
                self->close();
                break;

        case 2: // "Cancel"
        default:
                // If we were quitting, we didn't really mean it.
                app_abort_quit();
                break;
        }
}


LLPreviewGesture::LLPreviewGesture()
:       LLPreview("Gesture Preview"),
        mTriggerEditor(NULL),
        mModifierCombo(NULL),
        mKeyCombo(NULL),
        mLibraryList(NULL),
        mAddBtn(NULL),
        mUpBtn(NULL),
        mDownBtn(NULL),
        mDeleteBtn(NULL),
        mStepList(NULL),
        mOptionsText(NULL),
        mAnimationRadio(NULL),
        mAnimationCombo(NULL),
        mSoundCombo(NULL),
        mChatEditor(NULL),
        mSaveBtn(NULL),
        mPreviewBtn(NULL),
        mPreviewGesture(NULL),
        mDirty(FALSE)
{
}


LLPreviewGesture::~LLPreviewGesture()
{
        // Userdata for all steps is a LLGestureStep we need to clean up
        std::vector<LLScrollListItem*> data_list = mStepList->getAllData();
        std::vector<LLScrollListItem*>::iterator data_itor;
        for (data_itor = data_list.begin(); data_itor != data_list.end(); ++data_itor)
        {
                LLScrollListItem* item = *data_itor;
                LLGestureStep* step = (LLGestureStep*)item->getUserdata();
                delete step;
                step = NULL;
        }
}


BOOL LLPreviewGesture::postBuild()
{
        LLLineEditor* edit;
        LLComboBox* combo;
        LLButton* btn;
        LLScrollListCtrl* list;
        LLTextBox* text;
        LLCheckBoxCtrl* check;

        edit = LLViewerUICtrlFactory::getLineEditorByName(this, "trigger_editor");
        edit->setKeystrokeCallback(onKeystrokeCommit);
        edit->setCommitCallback(onCommitSetDirty);
        edit->setCommitOnFocusLost(TRUE);
        edit->setCallbackUserData(this);
        edit->setIgnoreTab(TRUE);
        mTriggerEditor = edit;

        text = LLViewerUICtrlFactory::getTextBoxByName(this, "replace_text");
        text->setEnabled(FALSE);
        mReplaceText = text;

        edit = LLViewerUICtrlFactory::getLineEditorByName(this, "replace_editor");
        edit->setEnabled(FALSE);
        edit->setKeystrokeCallback(onKeystrokeCommit);
        edit->setCommitCallback(onCommitSetDirty);
        edit->setCommitOnFocusLost(TRUE);
        edit->setCallbackUserData(this);
        edit->setIgnoreTab(TRUE);
        mReplaceEditor = edit;

        combo = LLViewerUICtrlFactory::getComboBoxByName(this, "modifier_combo");
        combo->setCommitCallback(onCommitSetDirty);
        combo->setCallbackUserData(this);
        mModifierCombo = combo;

        combo = LLViewerUICtrlFactory::getComboBoxByName(this, "key_combo");
        combo->setCommitCallback(onCommitSetDirty);
        combo->setCallbackUserData(this);
        mKeyCombo = combo;

        list = LLViewerUICtrlFactory::getScrollListByName(this, "library_list");
        list->setCommitCallback(onCommitLibrary);
        list->setDoubleClickCallback(onClickAdd);
        list->setCallbackUserData(this);
        mLibraryList = list;

        btn = LLViewerUICtrlFactory::getButtonByName(this, "add_btn");
        btn->setClickedCallback(onClickAdd);
        btn->setCallbackUserData(this);
        btn->setEnabled(FALSE);
        mAddBtn = btn;

        btn = LLViewerUICtrlFactory::getButtonByName(this, "up_btn");
        btn->setClickedCallback(onClickUp);
        btn->setCallbackUserData(this);
        btn->setEnabled(FALSE);
        mUpBtn = btn;

        btn = LLViewerUICtrlFactory::getButtonByName(this, "down_btn");
        btn->setClickedCallback(onClickDown);
        btn->setCallbackUserData(this);
        btn->setEnabled(FALSE);
        mDownBtn = btn;

        btn = LLViewerUICtrlFactory::getButtonByName(this, "delete_btn");
        btn->setClickedCallback(onClickDelete);
        btn->setCallbackUserData(this);
        btn->setEnabled(FALSE);
        mDeleteBtn = btn;

        list = LLViewerUICtrlFactory::getScrollListByName(this, "step_list");
        list->setCommitCallback(onCommitStep);
        list->setCallbackUserData(this);
        mStepList = list;

        // Options
        text = LLViewerUICtrlFactory::getTextBoxByName(this, "options_text");
        text->setBorderVisible(TRUE);
        mOptionsText = text;

        combo = LLViewerUICtrlFactory::getComboBoxByName(this, "animation_list");
        combo->setVisible(FALSE);
        combo->setCommitCallback(onCommitAnimation);
        combo->setCallbackUserData(this);
        mAnimationCombo = combo;

        LLRadioGroup* group;
        group = LLViewerUICtrlFactory::getRadioGroupByName(this, "animation_trigger_type");
        group->setVisible(FALSE);
        group->setCommitCallback(onCommitAnimationTrigger);
        group->setCallbackUserData(this);
        mAnimationRadio = group;

        combo = LLViewerUICtrlFactory::getComboBoxByName(this, "sound_list");
        combo->setVisible(FALSE);
        combo->setCommitCallback(onCommitSound);
        combo->setCallbackUserData(this);
        mSoundCombo = combo;

        edit = LLViewerUICtrlFactory::getLineEditorByName(this, "chat_editor");
        edit->setVisible(FALSE);
        edit->setCommitCallback(onCommitChat);
        //edit->setKeystrokeCallback(onKeystrokeCommit);
        edit->setCommitOnFocusLost(TRUE);
        edit->setCallbackUserData(this);
        edit->setIgnoreTab(TRUE);
        mChatEditor = edit;

        check = LLViewerUICtrlFactory::getCheckBoxByName(this, "wait_anim_check");
        check->setVisible(FALSE);
        check->setCommitCallback(onCommitWait);
        check->setCallbackUserData(this);
        mWaitAnimCheck = check;

        check = LLViewerUICtrlFactory::getCheckBoxByName(this, "wait_time_check");
        check->setVisible(FALSE);
        check->setCommitCallback(onCommitWait);
        check->setCallbackUserData(this);
        mWaitTimeCheck = check;

        edit = LLViewerUICtrlFactory::getLineEditorByName(this, "wait_time_editor");
        edit->setEnabled(FALSE);
        edit->setVisible(FALSE);
        edit->setPrevalidate(LLLineEditor::prevalidateFloat);
//      edit->setKeystrokeCallback(onKeystrokeCommit);
        edit->setCommitOnFocusLost(TRUE);
        edit->setCommitCallback(onCommitWaitTime);
        edit->setCallbackUserData(this);
        edit->setIgnoreTab(TRUE);
        mWaitTimeEditor = edit;

        // Buttons at the bottom
        check = LLViewerUICtrlFactory::getCheckBoxByName(this, "active_check");
        check->setCommitCallback(onCommitActive);
        check->setCallbackUserData(this);
        mActiveCheck = check;

        btn = LLViewerUICtrlFactory::getButtonByName(this, "save_btn");
        btn->setClickedCallback(onClickSave);
        btn->setCallbackUserData(this);
        mSaveBtn = btn;

        btn = LLViewerUICtrlFactory::getButtonByName(this, "preview_btn");
        btn->setClickedCallback(onClickPreview);
        btn->setCallbackUserData(this);
        mPreviewBtn = btn;


        // Populate the comboboxes
        addModifiers();
        addKeys();
        addAnimations();
        addSounds();


        const LLInventoryItem* item = getItem();

        if (item) 
        {
                childSetCommitCallback("desc", LLPreview::onText, this);
                childSetText("desc", item->getDescription());
                childSetPrevalidate("desc", &LLLineEditor::prevalidatePrintableNotPipe);
        }

        return TRUE;
}


void LLPreviewGesture::addModifiers()
{
        LLComboBox* combo = mModifierCombo;

        combo->add( NONE_LABEL,  ADD_BOTTOM );
        combo->add( SHIFT_LABEL, ADD_BOTTOM );
        combo->add( CTRL_LABEL,  ADD_BOTTOM );
        combo->setCurrentByIndex(0);
}

void LLPreviewGesture::addKeys()
{
        LLComboBox* combo = mKeyCombo;

        combo->add( NONE_LABEL );
        for (KEY key = KEY_F2; key <= KEY_F12; key++)
        {
                combo->add( LLKeyboard::stringFromKey(key), ADD_BOTTOM );
        }
        combo->setCurrentByIndex(0);
}


// TODO: Sort the legacy and non-legacy together?
void LLPreviewGesture::addAnimations()
{
        LLComboBox* combo = mAnimationCombo;

        combo->removeall();
        
        LLString none_text = childGetText("none_text");

        combo->add(none_text, LLUUID::null);

        // Add all the default (legacy) animations
        S32 i;
        for (i = 0; i < gUserAnimStatesCount; ++i)
        {
                // Use the user-readable name
                const char* label = gUserAnimStates[i].mLabel;
                const LLUUID& id = gUserAnimStates[i].mID;
                combo->add(label, id);
        }

        // Get all inventory items that are animations
        LLViewerInventoryCategory::cat_array_t cats;
        LLViewerInventoryItem::item_array_t items;
        LLIsTypeWithPermissions is_copyable_animation(LLAssetType::AT_ANIMATION,
                                                                                                        PERM_ITEM_UNRESTRICTED,
                                                                                                        gAgent.getID(),
                                                                                                        gAgent.getGroupID());
        gInventory.collectDescendentsIf(gAgent.getInventoryRootID(),
                                                                        cats,
                                                                        items,
                                                                        LLInventoryModel::EXCLUDE_TRASH,
                                                                        is_copyable_animation);

        // Copy into something we can sort
        std::vector<LLInventoryItem*> animations;

        S32 count = items.count();
        for(i = 0; i < count; ++i)
        {
                animations.push_back( items.get(i) );
        }

        // Do the sort
        std::sort(animations.begin(), animations.end(), SortItemPtrsByName());

        // And load up the combobox
        std::vector<LLInventoryItem*>::iterator it;
        for (it = animations.begin(); it != animations.end(); ++it)
        {
                LLInventoryItem* item = *it;

                combo->add(item->getName(), item->getAssetUUID(), ADD_BOTTOM);
        }
}


void LLPreviewGesture::addSounds()
{
        LLComboBox* combo = mSoundCombo;
        combo->removeall();
        
        LLString none_text = childGetText("none_text");

        combo->add(none_text, LLUUID::null);

        // Get all inventory items that are sounds
        LLViewerInventoryCategory::cat_array_t cats;
        LLViewerInventoryItem::item_array_t items;
        LLIsTypeWithPermissions is_copyable_sound(LLAssetType::AT_SOUND,
                                                                                                        PERM_ITEM_UNRESTRICTED,
                                                                                                        gAgent.getID(),
                                                                                                        gAgent.getGroupID());
        gInventory.collectDescendentsIf(gAgent.getInventoryRootID(),
                                                                        cats,
                                                                        items,
                                                                        LLInventoryModel::EXCLUDE_TRASH,
                                                                        is_copyable_sound);

        // Copy sounds into something we can sort
        std::vector<LLInventoryItem*> sounds;

        S32 i;
        S32 count = items.count();
        for(i = 0; i < count; ++i)
        {
                sounds.push_back( items.get(i) );
        }

        // Do the sort
        std::sort(sounds.begin(), sounds.end(), SortItemPtrsByName());

        // And load up the combobox
        std::vector<LLInventoryItem*>::iterator it;
        for (it = sounds.begin(); it != sounds.end(); ++it)
        {
                LLInventoryItem* item = *it;

                combo->add(item->getName(), item->getAssetUUID(), ADD_BOTTOM);
        }
}


void LLPreviewGesture::init(const LLUUID& item_id, const LLUUID& object_id)
{
        // Sets ID and adds to instance list
        setItemID(item_id);
        setObjectID(object_id);
}


void LLPreviewGesture::refresh()
{
        // If previewing or item is incomplete, all controls are disabled
        LLViewerInventoryItem* item = (LLViewerInventoryItem*)getItem();
        bool is_complete = (item && item->isComplete()) ? true : false;
        if (mPreviewGesture || !is_complete)
        {
                
                childSetEnabled("desc", FALSE);
                //mDescEditor->setEnabled(FALSE);
                mTriggerEditor->setEnabled(FALSE);
                mReplaceText->setEnabled(FALSE);
                mReplaceEditor->setEnabled(FALSE);
                mModifierCombo->setEnabled(FALSE);
                mKeyCombo->setEnabled(FALSE);
                mLibraryList->setEnabled(FALSE);
                mAddBtn->setEnabled(FALSE);
                mUpBtn->setEnabled(FALSE);
                mDownBtn->setEnabled(FALSE);
                mDeleteBtn->setEnabled(FALSE);
                mStepList->setEnabled(FALSE);
                mOptionsText->setEnabled(FALSE);
                mAnimationCombo->setEnabled(FALSE);
                mAnimationRadio->setEnabled(FALSE);
                mSoundCombo->setEnabled(FALSE);
                mChatEditor->setEnabled(FALSE);
                mWaitAnimCheck->setEnabled(FALSE);
                mWaitTimeCheck->setEnabled(FALSE);
                mWaitTimeEditor->setEnabled(FALSE);
                mActiveCheck->setEnabled(FALSE);
                mSaveBtn->setEnabled(FALSE);

                // Make sure preview button is enabled, so we can stop it
                mPreviewBtn->setEnabled(TRUE);
                return;
        }

        BOOL modifiable = item->getPermissions().allowModifyBy(gAgent.getID());

        childSetEnabled("desc", modifiable);
        mTriggerEditor->setEnabled(TRUE);
        mLibraryList->setEnabled(modifiable);
        mStepList->setEnabled(modifiable);
        mOptionsText->setEnabled(modifiable);
        mAnimationCombo->setEnabled(modifiable);
        mAnimationRadio->setEnabled(modifiable);
        mSoundCombo->setEnabled(modifiable);
        mChatEditor->setEnabled(modifiable);
        mWaitAnimCheck->setEnabled(modifiable);
        mWaitTimeCheck->setEnabled(modifiable);
        mWaitTimeEditor->setEnabled(modifiable);
        mActiveCheck->setEnabled(TRUE);

        const std::string& trigger = mTriggerEditor->getText();
        BOOL have_trigger = !trigger.empty();

        const std::string& replace = mReplaceEditor->getText();
        BOOL have_replace = !replace.empty();

        LLScrollListItem* library_item = mLibraryList->getFirstSelected();
        BOOL have_library = (library_item != NULL);

        LLScrollListItem* step_item = mStepList->getFirstSelected();
        S32 step_index = mStepList->getFirstSelectedIndex();
        S32 step_count = mStepList->getItemCount();
        BOOL have_step = (step_item != NULL);

        mReplaceText->setEnabled(have_trigger || have_replace);
        mReplaceEditor->setEnabled(have_trigger || have_replace);

        mModifierCombo->setEnabled(TRUE);
        mKeyCombo->setEnabled(TRUE);

        mAddBtn->setEnabled(modifiable && have_library);
        mUpBtn->setEnabled(modifiable && have_step && step_index > 0);
        mDownBtn->setEnabled(modifiable && have_step && step_index < step_count-1);
        mDeleteBtn->setEnabled(modifiable && have_step);

        // Assume all not visible
        mAnimationCombo->setVisible(FALSE);
        mAnimationRadio->setVisible(FALSE);
        mSoundCombo->setVisible(FALSE);
        mChatEditor->setVisible(FALSE);
        mWaitAnimCheck->setVisible(FALSE);
        mWaitTimeCheck->setVisible(FALSE);
        mWaitTimeEditor->setVisible(FALSE);

        LLString optionstext;
        
        if (have_step)
        {
                // figure out the type, show proper options, update text
                LLGestureStep* step = (LLGestureStep*)step_item->getUserdata();
                EStepType type = step->getType();

                switch(type)
                {
                case STEP_ANIMATION:
                        {
                                LLGestureStepAnimation* anim_step = (LLGestureStepAnimation*)step;
                                optionstext = childGetText("step_anim");
                                mAnimationCombo->setVisible(TRUE);
                                mAnimationRadio->setVisible(TRUE);
                                mAnimationRadio->setSelectedIndex((anim_step->mFlags & ANIM_FLAG_STOP) ? 1 : 0);
                                mAnimationCombo->setCurrentByID(anim_step->mAnimAssetID);
                                break;
                        }
                case STEP_SOUND:
                        {
                                LLGestureStepSound* sound_step = (LLGestureStepSound*)step;
                                optionstext = childGetText("step_sound");
                                mSoundCombo->setVisible(TRUE);
                                mSoundCombo->setCurrentByID(sound_step->mSoundAssetID);
                                break;
                        }
                case STEP_CHAT:
                        {
                                LLGestureStepChat* chat_step = (LLGestureStepChat*)step;
                                optionstext = childGetText("step_chat");
                                mChatEditor->setVisible(TRUE);
                                mChatEditor->setText(chat_step->mChatText);
                                break;
                        }
                case STEP_WAIT:
                        {
                                LLGestureStepWait* wait_step = (LLGestureStepWait*)step;
                                optionstext = childGetText("step_wait");
                                mWaitAnimCheck->setVisible(TRUE);
                                mWaitAnimCheck->set(wait_step->mFlags & WAIT_FLAG_ALL_ANIM);
                                mWaitTimeCheck->setVisible(TRUE);
                                mWaitTimeCheck->set(wait_step->mFlags & WAIT_FLAG_TIME);
                                mWaitTimeEditor->setVisible(TRUE);
                                std::string buffer = llformat("%.1f", (double)wait_step->mWaitSeconds);
                                mWaitTimeEditor->setText(buffer);
                                break;
                        }
                default:
                        break;
                }
        }
        
        mOptionsText->setText(optionstext);

        BOOL active = gGestureManager.isGestureActive(mItemUUID);
        mActiveCheck->set(active);

        // Can only preview if there are steps
        mPreviewBtn->setEnabled(step_count > 0);

        // And can only save if changes have been made
        mSaveBtn->setEnabled(mDirty);
        addAnimations();
        addSounds();
}


void LLPreviewGesture::initDefaultGesture()
{
        LLScrollListItem* item;
        item = addStep("Animation");
        LLGestureStepAnimation* anim = (LLGestureStepAnimation*)item->getUserdata();
        anim->mAnimAssetID = ANIM_AGENT_HELLO;
        anim->mAnimName = "Wave";
        updateLabel(item);

        item = addStep("Wait");
        LLGestureStepWait* wait = (LLGestureStepWait*)item->getUserdata();
        wait->mFlags = WAIT_FLAG_ALL_ANIM;
        updateLabel(item);

        item = addStep("Chat");
        LLGestureStepChat* chat_step = (LLGestureStepChat*)item->getUserdata();
        chat_step->mChatText = "Hello, avatar!";
        updateLabel(item);

        // Start with item list selected
        mStepList->selectFirstItem();

        // this is *new* content, so we are dirty
        mDirty = TRUE;
}


void LLPreviewGesture::loadAsset()
{
        const LLInventoryItem* item = getItem();
        if (!item) return;

        LLUUID asset_id = item->getAssetUUID();
        if (asset_id.isNull())
        {
                // Freshly created gesture, don't need to load asset.
                // Blank gesture will be fine.
                initDefaultGesture();
                refresh();
                return;
        }

        // TODO: Based on item->getPermissions().allow*
        // could enable/disable UI.

        // Copy the UUID, because the user might close the preview
        // window if the download gets stalled.
        LLUUID* item_idp = new LLUUID(mItemUUID);

        const BOOL high_priority = TRUE;
        gAssetStorage->getAssetData(asset_id,
                                                                LLAssetType::AT_GESTURE,
                                                                onLoadComplete,
                                                                (void**)item_idp,
                                                                high_priority);
        mAssetStatus = PREVIEW_ASSET_LOADING;
}


// static
void LLPreviewGesture::onLoadComplete(LLVFS *vfs,
                                                                           const LLUUID& asset_uuid,
                                                                           LLAssetType::EType type,
                                                                           void* user_data, S32 status, LLExtStat ext_status)
{
        LLUUID* item_idp = (LLUUID*)user_data;
        LLPreview* preview = LLPreview::find(*item_idp);
        if (preview)
        {
                LLPreviewGesture* self = (LLPreviewGesture*)preview;

                if (0 == status)
                {
                        LLVFile file(vfs, asset_uuid, type, LLVFile::READ);
                        S32 size = file.getSize();

                        char* buffer = new char[size+1];
                        file.read((U8*)buffer, size);           /*Flawfinder: ignore*/
                        buffer[size] = '\0';

                        LLMultiGesture* gesture = new LLMultiGesture();

                        LLDataPackerAsciiBuffer dp(buffer, size+1);
                        BOOL ok = gesture->deserialize(dp);

                        if (ok)
                        {
                                // Everything has been successful.  Load up the UI.
                                self->loadUIFromGesture(gesture);

                                self->mStepList->selectFirstItem();

                                self->mDirty = FALSE;
                                self->refresh();
                        }
                        else
                        {
                                llwarns << "Unable to load gesture" << llendl;
                        }

                        delete gesture;
                        gesture = NULL;

                        delete [] buffer;
                        buffer = NULL;

                        self->mAssetStatus = PREVIEW_ASSET_LOADED;
                }
                else
                {
                        if( gViewerStats )
                        {
                                gViewerStats->incStat( LLViewerStats::ST_DOWNLOAD_FAILED );
                        }

                        if( LL_ERR_ASSET_REQUEST_NOT_IN_DATABASE == status ||
                                LL_ERR_FILE_EMPTY == status)
                        {
                                LLNotifyBox::showXml("GestureMissing");
                        }
                        else
                        {
                                LLNotifyBox::showXml("UnableToLoadGesture");
                        }

                        llwarns << "Problem loading gesture: " << status << llendl;
                        self->mAssetStatus = PREVIEW_ASSET_ERROR;
                }
        }
        delete item_idp;
        item_idp = NULL;
}


void LLPreviewGesture::loadUIFromGesture(LLMultiGesture* gesture)
{
        /*LLInventoryItem* item = getItem();


        
        if (item)
        {
                LLLineEditor* descEditor = LLUICtrlFactory::getLineEditorByName(this, "desc");
                descEditor->setText(item->getDescription());
        }*/

        mTriggerEditor->setText(gesture->mTrigger);

        mReplaceEditor->setText(gesture->mReplaceText);

        switch (gesture->mMask)
        {
        default:
          case MASK_NONE:
                mModifierCombo->setSimple( LLString(NONE_LABEL) );
                break;
          case MASK_SHIFT:
                mModifierCombo->setSimple( LLString(SHIFT_LABEL) );
                break;
          case MASK_CONTROL:
                mModifierCombo->setSimple( LLString(CTRL_LABEL) );
                break;
        }

        mKeyCombo->setCurrentByIndex(0);
        if (gesture->mKey != KEY_NONE)
        {
                mKeyCombo->setSimple(LLKeyboard::stringFromKey(gesture->mKey));
        }

        // Make UI steps for each gesture step
        S32 i;
        S32 count = gesture->mSteps.size();
        for (i = 0; i < count; ++i)
        {
                LLGestureStep* step = gesture->mSteps[i];

                LLGestureStep* new_step = NULL;

                switch(step->getType())
                {
                case STEP_ANIMATION:
                        {
                                LLGestureStepAnimation* anim_step = (LLGestureStepAnimation*)step;
                                LLGestureStepAnimation* new_anim_step =
                                        new LLGestureStepAnimation(*anim_step);
                                new_step = new_anim_step;
                                break;
                        }
                case STEP_SOUND:
                        {
                                LLGestureStepSound* sound_step = (LLGestureStepSound*)step;
                                LLGestureStepSound* new_sound_step =
                                        new LLGestureStepSound(*sound_step);
                                new_step = new_sound_step;
                                break;
                        }
                case STEP_CHAT:
                        {
                                LLGestureStepChat* chat_step = (LLGestureStepChat*)step;
                                LLGestureStepChat* new_chat_step =
                                        new LLGestureStepChat(*chat_step);
                                new_step = new_chat_step;
                                break;
                        }
                case STEP_WAIT:
                        {
                                LLGestureStepWait* wait_step = (LLGestureStepWait*)step;
                                LLGestureStepWait* new_wait_step =
                                        new LLGestureStepWait(*wait_step);
                                new_step = new_wait_step;
                                break;
                        }
                default:
                        {
                                break;
                        }
                }

                if (!new_step) continue;

                // Create an enabled item with this step
                LLSD row;
                row["columns"][0]["value"] = new_step->getLabel();
                row["columns"][0]["font"] = "SANSSERIF_SMALL";
                LLScrollListItem* item = mStepList->addElement(row);
                item->setUserdata(new_step);
        }
}

// Helpful structure so we can look up the inventory item
// after the save finishes.
struct LLSaveInfo
{
        LLSaveInfo(const LLUUID& item_id, const LLUUID& object_id, const LLString& desc,
                                const LLTransactionID tid)
                : mItemUUID(item_id), mObjectUUID(object_id), mDesc(desc), mTransactionID(tid)
        {
        }

        LLUUID mItemUUID;
        LLUUID mObjectUUID;
        LLString mDesc;
        LLTransactionID mTransactionID;
};


void LLPreviewGesture::saveIfNeeded()
{
        if (!gAssetStorage)
        {
                llwarns << "Can't save gesture, no asset storage system." << llendl;
                return;
        }

        if (!mDirty)
        {
                return;
        }

        // Copy the UI into a gesture
        LLMultiGesture* gesture = createGesture();

        // Serialize the gesture
        S32 max_size = gesture->getMaxSerialSize();
        char* buffer = new char[max_size];

        LLDataPackerAsciiBuffer dp(buffer, max_size);

        BOOL ok = gesture->serialize(dp);

        if (dp.getCurrentSize() > 1000)
        {
                gViewerWindow->alertXml("GestureSaveFailedTooManySteps");

                delete gesture;
                gesture = NULL;
        }
        else if (!ok)
        {
                gViewerWindow->alertXml("GestureSaveFailedTryAgain");
                delete gesture;
                gesture = NULL;
        }
        else
        {
                // Every save gets a new UUID.  Yup.
                LLTransactionID tid;
                LLAssetID asset_id;
                tid.generate();
                asset_id = tid.makeAssetID(gAgent.getSecureSessionID());

                LLVFile file(gVFS, asset_id, LLAssetType::AT_GESTURE, LLVFile::APPEND);

                S32 size = dp.getCurrentSize();
                file.setMaxSize(size);
                file.write((U8*)buffer, size);

                BOOL delayedUpload = FALSE;

                // Upload that asset to the database
                LLViewerInventoryItem* item = (LLViewerInventoryItem*) getItem();
                if (item)
                {
                        std::string agent_url = gAgent.getRegion()->getCapability("UpdateGestureAgentInventory");
                        std::string task_url = gAgent.getRegion()->getCapability("UpdateGestureTaskInventory");
                        if (mObjectUUID.isNull() && !agent_url.empty())
                        {
                                //need to disable the preview floater so item
                                //isn't re-saved before new asset arrives
                                //fake out refresh.
                                item->setComplete(FALSE);
                                refresh();                              
                                item->setComplete(TRUE);

                                // Saving into agent inventory
                                LLSD body;
                                body["item_id"] = mItemUUID;
                                LLHTTPClient::post(agent_url, body,
                                        new LLUpdateAgentInventoryResponder(body, asset_id, LLAssetType::AT_GESTURE));
                                delayedUpload = TRUE;
                        }
                        else if (!mObjectUUID.isNull() && !task_url.empty())
                        {
                                // Saving into task inventory
                                LLSD body;
                                body["task_id"] = mObjectUUID;
                                body["item_id"] = mItemUUID;
                                LLHTTPClient::post(task_url, body,
                                        new LLUpdateTaskInventoryResponder(body, asset_id, LLAssetType::AT_GESTURE));
                        }
                        else if (gAssetStorage)
                        {
                                LLLineEditor* descEditor = LLUICtrlFactory::getLineEditorByName(this, "desc");
                                LLSaveInfo* info = new LLSaveInfo(mItemUUID, mObjectUUID, descEditor->getText(), tid);
                                gAssetStorage->storeAssetData(tid, LLAssetType::AT_GESTURE, onSaveComplete, info, FALSE);
                        }
                }

                // If this gesture is active, then we need to update the in-memory
                // active map with the new pointer.
                if (!delayedUpload && gGestureManager.isGestureActive(mItemUUID))
                {
                        // gesture manager now owns the pointer
                        gGestureManager.replaceGesture(mItemUUID, gesture, asset_id);

                        // replaceGesture may deactivate other gestures so let the
                        // inventory know.
                        gInventory.notifyObservers();
                }
                else
                {
                        // we're done with this gesture
                        delete gesture;
                        gesture = NULL;
                }

                mDirty = FALSE;
                // refresh will be called when callback
                // if triggered when delayedUpload
                if(!delayedUpload)
                {
                        refresh();
                }
        }

        delete [] buffer;
        buffer = NULL;
}


// TODO: This is very similar to LLPreviewNotecard::onSaveComplete.
// Could merge code.
// static
void LLPreviewGesture::onSaveComplete(const LLUUID& asset_uuid, void* user_data, S32 status, LLExtStat ext_status) // StoreAssetData callback (fixed)
{
        LLSaveInfo* info = (LLSaveInfo*)user_data;
        if (info && (status == 0))
        {
                if(info->mObjectUUID.isNull())
                {
                        // Saving into user inventory
                        LLViewerInventoryItem* item;
                        item = (LLViewerInventoryItem*)gInventory.getItem(info->mItemUUID);
                        if(item)
                        {
                                LLPointer<LLViewerInventoryItem> new_item = new LLViewerInventoryItem(item);
                                new_item->setDescription(info->mDesc);
                                new_item->setTransactionID(info->mTransactionID);
                                new_item->setAssetUUID(asset_uuid);
                                new_item->updateServer(FALSE);
                                gInventory.updateItem(new_item);
                                gInventory.notifyObservers();
                        }
                        else
                        {
                                llwarns << "Inventory item for gesture " << info->mItemUUID
                                                << " is no longer in agent inventory." << llendl
                        }
                }
                else
                {
                        // Saving into in-world object inventory
                        LLViewerObject* object = gObjectList.findObject(info->mObjectUUID);
                        LLViewerInventoryItem* item = NULL;
                        if(object)
                        {
                                item = (LLViewerInventoryItem*)object->getInventoryObject(info->mItemUUID);
                        }
                        if(object && item)
                        {
                                item->setDescription(info->mDesc);
                                item->setAssetUUID(asset_uuid);
                                item->setTransactionID(info->mTransactionID);
                                object->updateInventory(item, TASK_INVENTORY_ITEM_KEY, false);
                                dialog_refresh_all();
                        }
                        else
                        {
                                gViewerWindow->alertXml("GestureSaveFailedObjectNotFound");
                        }
                }

                // Find our window and close it if requested.
                LLPreviewGesture* previewp = (LLPreviewGesture*)LLPreview::find(info->mItemUUID);
                if (previewp && previewp->mCloseAfterSave)
                {
                        previewp->close();
                }
        }
        else
        {
                llwarns << "Problem saving gesture: " << status << llendl;
                LLStringBase<char>::format_map_t args;
                args["[REASON]"] = std::string(LLAssetStorage::getErrorString(status));
                gViewerWindow->alertXml("GestureSaveFailedReason",args);
        }
        delete info;
        info = NULL;
}


LLMultiGesture* LLPreviewGesture::createGesture()
{
        LLMultiGesture* gesture = new LLMultiGesture();

        gesture->mTrigger = mTriggerEditor->getText();
        gesture->mReplaceText = mReplaceEditor->getText();

        const LLString& modifier = mModifierCombo->getSimple();
        if (modifier == CTRL_LABEL)
        {
                gesture->mMask = MASK_CONTROL;
        }
        else if (modifier == SHIFT_LABEL)
        {
                gesture->mMask = MASK_SHIFT;
        }
        else
        {
                gesture->mMask = MASK_NONE;
        }

        if (mKeyCombo->getCurrentIndex() == 0)
        {
                gesture->mKey = KEY_NONE;
        }
        else
        {
                const LLString& key_string = mKeyCombo->getSimple();
                LLKeyboard::keyFromString(key_string.c_str(), &(gesture->mKey));
        }

        std::vector<LLScrollListItem*> data_list = mStepList->getAllData();
        std::vector<LLScrollListItem*>::iterator data_itor;
        for (data_itor = data_list.begin(); data_itor != data_list.end(); ++data_itor)
        {
                LLScrollListItem* item = *data_itor;
                LLGestureStep* step = (LLGestureStep*)item->getUserdata();

                switch(step->getType())
                {
                case STEP_ANIMATION:
                        {
                                // Copy UI-generated step into actual gesture step
                                LLGestureStepAnimation* anim_step = (LLGestureStepAnimation*)step;
                                LLGestureStepAnimation* new_anim_step =
                                        new LLGestureStepAnimation(*anim_step);
                                gesture->mSteps.push_back(new_anim_step);
                                break;
                        }
                case STEP_SOUND:
                        {
                                // Copy UI-generated step into actual gesture step
                                LLGestureStepSound* sound_step = (LLGestureStepSound*)step;
                                LLGestureStepSound* new_sound_step =
                                        new LLGestureStepSound(*sound_step);
                                gesture->mSteps.push_back(new_sound_step);
                                break;
                        }
                case STEP_CHAT:
                        {
                                // Copy UI-generated step into actual gesture step
                                LLGestureStepChat* chat_step = (LLGestureStepChat*)step;
                                LLGestureStepChat* new_chat_step =
                                        new LLGestureStepChat(*chat_step);
                                gesture->mSteps.push_back(new_chat_step);
                                break;
                        }
                case STEP_WAIT:
                        {
                                // Copy UI-generated step into actual gesture step
                                LLGestureStepWait* wait_step = (LLGestureStepWait*)step;
                                LLGestureStepWait* new_wait_step =
                                        new LLGestureStepWait(*wait_step);
                                gesture->mSteps.push_back(new_wait_step);
                                break;
                        }
                default:
                        {
                                break;
                        }
                }
        }

        return gesture;
}


// static
void LLPreviewGesture::updateLabel(LLScrollListItem* item)
{
        LLGestureStep* step = (LLGestureStep*)item->getUserdata();

        LLScrollListCell* cell = item->getColumn(0);
        LLScrollListText* text_cell = (LLScrollListText*)cell;
        std::string label = step->getLabel();
        text_cell->setText(label);
}

// static
void LLPreviewGesture::onCommitSetDirty(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;
        self->mDirty = TRUE;
        self->refresh();
}

// static
void LLPreviewGesture::onCommitLibrary(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* library_item = self->mLibraryList->getFirstSelected();
        if (library_item)
        {
                self->mStepList->deselectAllItems();
                self->refresh();
        }
}


// static
void LLPreviewGesture::onCommitStep(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* step_item = self->mStepList->getFirstSelected();
        if (!step_item) return;

        self->mLibraryList->deselectAllItems();
        self->refresh();
}


// static
void LLPreviewGesture::onCommitAnimation(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* step_item = self->mStepList->getFirstSelected();
        if (step_item)
        {
                LLGestureStep* step = (LLGestureStep*)step_item->getUserdata();
                if (step->getType() == STEP_ANIMATION)
                {
                        // Assign the animation name
                        LLGestureStepAnimation* anim_step = (LLGestureStepAnimation*)step;
                        if (self->mAnimationCombo->getCurrentIndex() == 0)
                        {
                                anim_step->mAnimName.clear();
                                anim_step->mAnimAssetID.setNull();
                        }
                        else
                        {
                                anim_step->mAnimName = self->mAnimationCombo->getSimple();
                                anim_step->mAnimAssetID = self->mAnimationCombo->getCurrentID();
                        }
                        //anim_step->mFlags = 0x0;

                        // Update the UI label in the list
                        updateLabel(step_item);

                        self->mDirty = TRUE;
                        self->refresh();
                }
        }
}

// static
void LLPreviewGesture::onCommitAnimationTrigger(LLUICtrl* ctrl, void *data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* step_item = self->mStepList->getFirstSelected();
        if (step_item)
        {
                LLGestureStep* step = (LLGestureStep*)step_item->getUserdata();
                if (step->getType() == STEP_ANIMATION)
                {
                        LLGestureStepAnimation* anim_step = (LLGestureStepAnimation*)step;
                        if (self->mAnimationRadio->getSelectedIndex() == 0)
                        {
                                // start
                                anim_step->mFlags &= ~ANIM_FLAG_STOP;
                        }
                        else
                        {
                                // stop
                                anim_step->mFlags |= ANIM_FLAG_STOP;
                        }
                        // Update the UI label in the list
                        updateLabel(step_item);

                        self->mDirty = TRUE;
                        self->refresh();
                }
        }
}

// static
void LLPreviewGesture::onCommitSound(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* step_item = self->mStepList->getFirstSelected();
        if (step_item)
        {
                LLGestureStep* step = (LLGestureStep*)step_item->getUserdata();
                if (step->getType() == STEP_SOUND)
                {
                        // Assign the sound name
                        LLGestureStepSound* sound_step = (LLGestureStepSound*)step;
                        sound_step->mSoundName = self->mSoundCombo->getSimple();
                        sound_step->mSoundAssetID = self->mSoundCombo->getCurrentID();
                        sound_step->mFlags = 0x0;

                        // Update the UI label in the list
                        updateLabel(step_item);

                        self->mDirty = TRUE;
                        self->refresh();
                }
        }
}

// static
void LLPreviewGesture::onCommitChat(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* step_item = self->mStepList->getFirstSelected();
        if (!step_item) return;

        LLGestureStep* step = (LLGestureStep*)step_item->getUserdata();
        if (step->getType() != STEP_CHAT) return;

        LLGestureStepChat* chat_step = (LLGestureStepChat*)step;
        chat_step->mChatText = self->mChatEditor->getText();
        chat_step->mFlags = 0x0;

        // Update the UI label in the list
        updateLabel(step_item);

        self->mDirty = TRUE;
        self->refresh();
}

// static
void LLPreviewGesture::onCommitWait(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* step_item = self->mStepList->getFirstSelected();
        if (!step_item) return;

        LLGestureStep* step = (LLGestureStep*)step_item->getUserdata();
        if (step->getType() != STEP_WAIT) return;

        LLGestureStepWait* wait_step = (LLGestureStepWait*)step;
        U32 flags = 0x0;
        if (self->mWaitAnimCheck->get()) flags |= WAIT_FLAG_ALL_ANIM;
        if (self->mWaitTimeCheck->get()) flags |= WAIT_FLAG_TIME;
        wait_step->mFlags = flags;

        {
                LLLocale locale(LLLocale::USER_LOCALE);

                F32 wait_seconds = (F32)atof(self->mWaitTimeEditor->getText().c_str());
                if (wait_seconds < 0.f) wait_seconds = 0.f;
                if (wait_seconds > 3600.f) wait_seconds = 3600.f;
                wait_step->mWaitSeconds = wait_seconds;
        }

        // Enable the input area if necessary
        self->mWaitTimeEditor->setEnabled(self->mWaitTimeCheck->get());

        // Update the UI label in the list
        updateLabel(step_item);

        self->mDirty = TRUE;
        self->refresh();
}

// static
void LLPreviewGesture::onCommitWaitTime(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* step_item = self->mStepList->getFirstSelected();
        if (!step_item) return;

        LLGestureStep* step = (LLGestureStep*)step_item->getUserdata();
        if (step->getType() != STEP_WAIT) return;

        self->mWaitTimeCheck->set(TRUE);
        onCommitWait(ctrl, data);
}


// static
void LLPreviewGesture::onKeystrokeCommit(LLLineEditor* caller,
                                                                                 void* data)
{
        // Just commit every keystroke
        onCommitSetDirty(caller, data);
}

// static
void LLPreviewGesture::onClickAdd(void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* library_item = self->mLibraryList->getFirstSelected();
        if (!library_item) return;

        const LLScrollListCell* library_cell = library_item->getColumn(0);
        const std::string& library_text = library_cell->getText();

        self->addStep(library_text);

        self->mDirty = TRUE;
        self->refresh();
}

LLScrollListItem* LLPreviewGesture::addStep(const std::string& library_text)
{
        LLGestureStep* step = NULL;
        if (!LLString::compareInsensitive(library_text.c_str(), "Animation"))
        {
                step = new LLGestureStepAnimation();
        }
        else if (!LLString::compareInsensitive(library_text.c_str(), "Sound"))
        {
                step = new LLGestureStepSound();
        }
        else if (!LLString::compareInsensitive(library_text.c_str(), "Chat"))
        {
                step = new LLGestureStepChat();
        }
        else if (!LLString::compareInsensitive(library_text.c_str(), "Wait"))
        {
                step = new LLGestureStepWait();
        }
        else
        {
                llerrs << "Unknown step type: " << library_text << llendl;;
                return NULL;
        }

        // Create an enabled item with this step
        LLSD row;
        row["columns"][0]["value"] = step->getLabel();
        row["columns"][0]["font"] = "SANSSERIF_SMALL";
        LLScrollListItem* step_item = mStepList->addElement(row);
        step_item->setUserdata(step);

        // And move selection to the list on the right
        mLibraryList->deselectAllItems();
        mStepList->deselectAllItems();

        step_item->setSelected(TRUE);

        return step_item;
}

// static
void LLPreviewGesture::onClickUp(void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        S32 selected_index = self->mStepList->getFirstSelectedIndex();
        if (selected_index > 0)
        {
                self->mStepList->swapWithPrevious(selected_index);
                self->mDirty = TRUE;
                self->refresh();
        }
}

// static
void LLPreviewGesture::onClickDown(void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        S32 selected_index = self->mStepList->getFirstSelectedIndex();
        if (selected_index < 0) return;

        S32 count = self->mStepList->getItemCount();
        if (selected_index < count-1)
        {
                self->mStepList->swapWithNext(selected_index);
                self->mDirty = TRUE;
                self->refresh();
        }
}

// static
void LLPreviewGesture::onClickDelete(void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        LLScrollListItem* item = self->mStepList->getFirstSelected();
        S32 selected_index = self->mStepList->getFirstSelectedIndex();
        if (item && selected_index >= 0)
        {
                LLGestureStep* step = (LLGestureStep*)item->getUserdata();
                delete step;
                step = NULL;

                self->mStepList->deleteSingleItem(selected_index);

                self->mDirty = TRUE;
                self->refresh();
        }
}

// static
void LLPreviewGesture::onCommitActive(LLUICtrl* ctrl, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;
        if (!gGestureManager.isGestureActive(self->mItemUUID))
        {
                gGestureManager.activateGesture(self->mItemUUID);
        }
        else
        {
                gGestureManager.deactivateGesture(self->mItemUUID);
        }

        // Make sure the (active) label in the inventory gets updated.
        LLViewerInventoryItem* item = gInventory.getItem(self->mItemUUID);
        if (item)
        {
                gInventory.updateItem(item);
                gInventory.notifyObservers();
        }

        self->refresh();
}

// static
void LLPreviewGesture::onClickSave(void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;
        self->saveIfNeeded();
}

// static
void LLPreviewGesture::onClickPreview(void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        if (!self->mPreviewGesture)
        {
                // make temporary gesture
                self->mPreviewGesture = self->createGesture();

                // add a callback
                self->mPreviewGesture->mDoneCallback = onDonePreview;
                self->mPreviewGesture->mCallbackData = self;

                // set the button title
                self->mPreviewBtn->setLabel(self->childGetText("stop_txt"));

                // play it, and delete when done
                gGestureManager.playGesture(self->mPreviewGesture);

                self->refresh();
        }
        else
        {
                // Will call onDonePreview() below
                gGestureManager.stopGesture(self->mPreviewGesture);

                self->refresh();
        }
}


// static
void LLPreviewGesture::onDonePreview(LLMultiGesture* gesture, void* data)
{
        LLPreviewGesture* self = (LLPreviewGesture*)data;

        self->mPreviewBtn->setLabel(self->childGetText("preview_txt"));

        delete self->mPreviewGesture;
        self->mPreviewGesture = NULL;

        self->refresh();
}

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