llpanelgrouproles.cpp

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#include "llviewerprecompiledheaders.h"

#include "llcheckboxctrl.h"

#include "llagent.h"
#include "llbutton.h"
#include "llfloateravatarinfo.h"
#include "llfloatergroupinvite.h"
#include "lliconctrl.h"
#include "lllineeditor.h"
#include "llnamelistctrl.h"
#include "llnotify.h"
#include "llpanelgrouproles.h"
#include "llscrolllistctrl.h"
#include "lltabcontainer.h"
#include "lltextbox.h"
#include "lltexteditor.h"
#include "llviewerimagelist.h"
#include "llviewerwindow.h"
#include "llfocusmgr.h"

#include "roles_constants.h"

bool agentCanRemoveFromRole(const LLUUID& group_id,
                                                        const LLUUID& role_id)
{
        return gAgent.hasPowerInGroup(group_id, GP_ROLE_REMOVE_MEMBER);
}

bool agentCanAddToRole(const LLUUID& group_id,
                                           const LLUUID& role_id)
{
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(group_id);
        if (!gdatap) 
        {
                llwarns << "agentCanAddToRole "
                                << "-- No group data!" << llendl;
                return false;
        }

        //make sure the agent is in the group
        LLGroupMgrGroupData::member_iter mi = gdatap->mMembers.find(gAgent.getID());
        if (mi == gdatap->mMembers.end())
        {
                return false;
        }
        
        LLGroupMemberData* member_data = (*mi).second;

        // Owners can add to any role.
        if ( member_data->isInRole(gdatap->mOwnerRole) )
        {
                return true;
        }

        // 'Limited assign members' can add to roles the user is in.
        if ( gAgent.hasPowerInGroup(group_id, GP_ROLE_ASSIGN_MEMBER_LIMITED) &&
                        member_data->isInRole(role_id) )
        {
                return true;
        }

        // 'assign members' can add to non-owner roles.
        if ( gAgent.hasPowerInGroup(group_id, GP_ROLE_ASSIGN_MEMBER) &&
                         role_id != gdatap->mOwnerRole )
        {
                return true;
        }

        return false;
}

// static
void* LLPanelGroupRoles::createTab(void* data)
{
        LLUUID* group_id = static_cast<LLUUID*>(data);
        return new LLPanelGroupRoles("panel group roles", *group_id);
}

LLPanelGroupRoles::LLPanelGroupRoles(const std::string& name, const LLUUID& group_id)
:       LLPanelGroupTab(name, group_id),
        mCurrentTab(NULL),
        mRequestedTab( NULL ),
        mSubTabContainer( NULL ),
        mFirstUse( TRUE ),
        mIgnoreTransition( FALSE )
{
}

LLPanelGroupRoles::~LLPanelGroupRoles()
{
        int i;
        for (i = 0; i < mSubTabContainer->getTabCount(); ++i)
        {
                LLPanelGroupSubTab* subtabp = (LLPanelGroupSubTab*) mSubTabContainer->getPanelByIndex(i);

                subtabp->removeObserver(this);
        }
}

BOOL LLPanelGroupRoles::postBuild()
{
        lldebugs << "LLPanelGroupRoles::postBuild()" << llendl;

        mSubTabContainer = (LLTabContainerCommon*) getChildByName("roles_tab_container");

        if (!mSubTabContainer) return FALSE;

        // Hook up each sub-tabs callback and widgets.
        S32 i;
        for (i = 0; i < mSubTabContainer->getTabCount(); ++i)
        {
                LLPanelGroupSubTab* subtabp = (LLPanelGroupSubTab*) mSubTabContainer->getPanelByIndex(i);

                // Add click callbacks to all the tabs.
                mSubTabContainer->setTabChangeCallback(subtabp, onClickSubTab);
                mSubTabContainer->setTabUserData(subtabp, this);

                // Hand the subtab a pointer to this LLPanelGroupRoles, so that it can
                // look around for the widgets it is interested in.
                if (!subtabp->postBuildSubTab(this)) return FALSE;

                subtabp->addObserver(this);
        }

        // Set the current tab to whatever is currently being shown.
        mCurrentTab = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (!mCurrentTab)
        {
                // Need to select a tab.
                mSubTabContainer->selectFirstTab();
                mCurrentTab = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        }

        if (!mCurrentTab) return FALSE;

        // Act as though this tab was just activated.
        mCurrentTab->activate();

        // Read apply text from the xml file.
        LLTextBox* txt;
        // Don't recurse for this, since we don't currently have a recursive removeChild()
        txt = (LLTextBox*)getChildByName("default_needs_apply_text");
        if (txt)
        {
                mDefaultNeedsApplyMesg = txt->getText();
                removeChild(txt, TRUE);
        }
        txt = (LLTextBox*)getChildByName("want_apply_text");
        if (txt)
        {
                mWantApplyMesg = txt->getText();
                removeChild(txt, TRUE);
        }

        return LLPanelGroupTab::postBuild();
}

BOOL LLPanelGroupRoles::isVisibleByAgent(LLAgent* agentp)
{
        if (agentp->isGodlike())
                return TRUE;
        
        /* This power was removed to make group roles simpler
        return agentp->hasPowerInGroup(mGroupID, 
                                                                   GP_ROLE_CREATE |
                                                                   GP_ROLE_DELETE |
                                                                   GP_ROLE_PROPERTIES |
                                                                   GP_ROLE_VIEW |
                                                                   GP_ROLE_ASSIGN_MEMBER |
                                                                   GP_ROLE_REMOVE_MEMBER |
                                                                   GP_ROLE_CHANGE_ACTIONS |
                                                                   GP_MEMBER_INVITE |
                                                                   GP_MEMBER_EJECT |
                                                                   GP_MEMBER_OPTIONS );
        */
        return mAllowEdit && agentp->isInGroup(mGroupID);
                                                                   
}

// static
void LLPanelGroupRoles::onClickSubTab(void* user_data, bool from_click)
{
        LLPanelGroupRoles* self = static_cast<LLPanelGroupRoles*>(user_data);
        self->handleClickSubTab();
}

void LLPanelGroupRoles::handleClickSubTab()
{
        // If we are already handling a transition,
        // ignore this.
        if (mIgnoreTransition)
        {
                return;
        }

        mRequestedTab = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();

        // Make sure they aren't just clicking the same tab...
        if (mRequestedTab == mCurrentTab)
        {
                return;
        }

        // Try to switch from the current panel to the panel the user selected.
        attemptTransition();
}

BOOL LLPanelGroupRoles::attemptTransition()
{
        // Check if the current tab needs to be applied.
        LLString mesg;
        if (mCurrentTab && mCurrentTab->needsApply(mesg))
        {
                // If no message was provided, give a generic one.
                if (mesg.empty())
                {
                        mesg = mDefaultNeedsApplyMesg;
                }
                // Create a notify box, telling the user about the unapplied tab.
                LLString::format_map_t args;
                args["[NEEDS_APPLY_MESSAGE]"] = mesg;
                args["[WANT_APPLY_MESSAGE]"] = mWantApplyMesg;
                gViewerWindow->alertXml("PanelGroupApply", args,
                                                                onNotifyCallback, (void*) this);
                mHasModal = TRUE;
                // We need to reselect the current tab, since it isn't finished.
                if (mSubTabContainer)
                {
                        mIgnoreTransition = TRUE;
                        mSubTabContainer->selectTabPanel( mCurrentTab );
                        mIgnoreTransition = FALSE;
                }
                // Returning FALSE will block a close action from finishing until
                // we get a response back from the user.
                return FALSE;
        }
        else
        {
                // The current panel didn't have anything it needed to apply.
                if (mRequestedTab)
                {
                        transitionToTab();
                }
                return TRUE;
        }
}

void LLPanelGroupRoles::transitionToTab()
{
        // Tell the current panel that it is being deactivated.
        if (mCurrentTab)
        {
                mCurrentTab->deactivate();
        }
        
        // Tell the new panel that it is being activated.
        if (mRequestedTab)
        {
                // This is now the current tab;
                mCurrentTab = mRequestedTab;
                mCurrentTab->activate();
        }
}

// static
void LLPanelGroupRoles::onNotifyCallback(S32 option, void* user_data)
{
        LLPanelGroupRoles* self = static_cast<LLPanelGroupRoles*>(user_data);
        if (self)
        {
                self->handleNotifyCallback(option);
        }
}

void LLPanelGroupRoles::handleNotifyCallback(S32 option)
{
        mHasModal = FALSE;
        switch (option)
        {
        case 0: // "Apply Changes"
        {
                // Try to apply changes, and switch to the requested tab.
                LLString apply_mesg;
                if ( !apply( apply_mesg ) )
                {
                        // There was a problem doing the apply.
                        if ( !apply_mesg.empty() )
                        {
                                mHasModal = TRUE;
                                LLString::format_map_t args;
                                args["[MESSAGE]"] = apply_mesg;
                                gViewerWindow->alertXml("GenericAlert", args, onModalClose, (void*) this);
                        }
                        // Skip switching tabs.
                        break;
                }

                // This panel's info successfully applied.
                // Switch to the next panel.
                // No break!  Continue into 'Ignore Changes' which just switches tabs.
                mIgnoreTransition = TRUE;
                mSubTabContainer->selectTabPanel( mRequestedTab );
                mIgnoreTransition = FALSE;
                transitionToTab();
                break;
        }
        case 1: // "Ignore Changes"
                // Switch to the requested panel without applying changes
                cancel();
                mIgnoreTransition = TRUE;
                mSubTabContainer->selectTabPanel( mRequestedTab );
                mIgnoreTransition = FALSE;
                transitionToTab();
                break;
        case 2: // "Cancel"
        default:
                // Do nothing.  The user is canceling the action.
                break;
        }
}

// static
void LLPanelGroupRoles::onModalClose(S32 option, void* user_data)
{
        LLPanelGroupRoles* self = static_cast<LLPanelGroupRoles*>(user_data);
        if (self)
        {
                self->mHasModal = FALSE;
        }
}


bool LLPanelGroupRoles::apply(LLString& mesg)
{
        // Pass this along to the currently visible sub tab.
        if (!mSubTabContainer) return false;

        LLPanelGroupTab* panelp = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (!panelp) return false;
        
        // Ignore the needs apply message.
        LLString ignore_mesg;
        if ( !panelp->needsApply(ignore_mesg) )
        {
                // We don't need to apply anything.
                // We're done.
                return true;
        }

        // Try to do the actual apply.
        return panelp->apply(mesg);
}

void LLPanelGroupRoles::cancel()
{
        // Pass this along to the currently visible sub tab.
        if (!mSubTabContainer) return;

        LLPanelGroupTab* panelp = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (!panelp) return;

        panelp->cancel();
}

// Pass all of these messages to the currently visible sub tab.
LLString LLPanelGroupRoles::getHelpText() const
{
        LLPanelGroupTab* panelp = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (panelp)
        {
                return panelp->getHelpText();
        }
        else
        {
                return mHelpText;
        }
}

void LLPanelGroupRoles::update(LLGroupChange gc)
{
        if (mGroupID.isNull()) return;

        LLPanelGroupTab* panelp = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (panelp)
        {
                panelp->update(gc);
        }
        else
        {
                llwarns << "LLPanelGroupRoles::update() -- No subtab to update!" << llendl;
        }
}

void LLPanelGroupRoles::activate()
{
        // Start requesting member and role data if needed.
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        //if (!gdatap || mFirstUse)
        {
                // Check member data.
                
                if (!gdatap || !gdatap->isMemberDataComplete() )
                {
                        gGroupMgr->sendGroupMembersRequest(mGroupID);
                }

                // Check role data.
                if (!gdatap || !gdatap->isRoleDataComplete() )
                {
                        // Mildly hackish - clear all pending changes
                        cancel();

                        gGroupMgr->sendGroupRoleDataRequest(mGroupID);
                }

                // Check role-member mapping data.
                if (!gdatap || !gdatap->isRoleMemberDataComplete() )
                {
                        gGroupMgr->sendGroupRoleMembersRequest(mGroupID);
                }

                // Need this to get base group member powers
                if (!gdatap || !gdatap->isGroupPropertiesDataComplete() )
                {
                        gGroupMgr->sendGroupPropertiesRequest(mGroupID);
                }

                mFirstUse = FALSE;
        }

        LLPanelGroupTab* panelp = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (panelp) panelp->activate();
}

void LLPanelGroupRoles::deactivate()
{
        LLPanelGroupTab* panelp = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (panelp) panelp->deactivate();
}

bool LLPanelGroupRoles::needsApply(LLString& mesg)
{
        LLPanelGroupTab* panelp = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (!panelp) return false;
                
        return panelp->needsApply(mesg);
}

BOOL LLPanelGroupRoles::hasModal()
{
        if (mHasModal) return TRUE;

        LLPanelGroupTab* panelp = (LLPanelGroupTab*) mSubTabContainer->getCurrentPanel();
        if (!panelp) return FALSE;
                
        return panelp->hasModal();
}

// PanelGroupTab observer trigger
void LLPanelGroupRoles::tabChanged()
{
        notifyObservers();
}

// LLPanelGroupSubTab
LLPanelGroupSubTab::LLPanelGroupSubTab(const std::string& name, const LLUUID& group_id)
:       LLPanelGroupTab(name, group_id),
        mHeader(NULL),
        mFooter(NULL),
        mSearchLineEditor(NULL),
        mSearchButton(NULL),
        mShowAllButton(NULL)
{
}

LLPanelGroupSubTab::~LLPanelGroupSubTab()
{
}

BOOL LLPanelGroupSubTab::postBuild()
{
        // Hook up the search widgets.
        bool recurse = true;
        mSearchLineEditor = (LLLineEditor*) getChildByName("search_text", recurse);

        if (!mSearchLineEditor) return FALSE;
        mSearchLineEditor->setKeystrokeCallback(onSearchKeystroke);
        mSearchLineEditor->setCallbackUserData(this);

        mSearchButton = (LLButton*) getChildByName("search_button", recurse);

        if (!mSearchButton) return FALSE;
        mSearchButton->setClickedCallback(onClickSearch);
        mSearchButton->setCallbackUserData(this);
        mSearchButton->setEnabled(FALSE);

        mShowAllButton = (LLButton*) getChildByName("show_all_button", recurse);

        if (!mShowAllButton) return FALSE;
        mShowAllButton->setClickedCallback(onClickShowAll);
        mShowAllButton->setCallbackUserData(this);
        mShowAllButton->setEnabled(FALSE);
        
        // Get icons for later use.
        mActionIcons.clear();

        bool no_recurse = false;

        LLIconCtrl* icon = (LLIconCtrl*) getChildByName("power_folder_icon",no_recurse);
        if (icon && icon->getImage().notNull())
        {
                mActionIcons["folder"] = icon->getImage();
                removeChild(icon, TRUE);
        }

        icon = (LLIconCtrl*) getChildByName("power_all_have_icon",no_recurse);
        if (icon && icon->getImage().notNull())
        {
                mActionIcons["full"] = icon->getImage();
                removeChild(icon, TRUE);
        }

        icon = (LLIconCtrl*) getChildByName("power_partial_icon",no_recurse);
        if (icon && icon->getImage().notNull())
        {
                mActionIcons["partial"] = icon->getImage();
                removeChild(icon, TRUE);
        }

        return LLPanelGroupTab::postBuild();
}

// static
void LLPanelGroupSubTab::onSearchKeystroke(LLLineEditor* caller, void* user_data)
{
        LLPanelGroupSubTab* self = static_cast<LLPanelGroupSubTab*>(user_data);
        self->handleSearchKeystroke(caller);
}

void LLPanelGroupSubTab::handleSearchKeystroke(LLLineEditor* caller)
{
        if (caller->getText().size())
        {
                setDefaultBtn( mSearchButton );
                mSearchButton->setEnabled(TRUE);
        }
        else
        {
                setDefaultBtn( NULL );
                mSearchButton->setEnabled(FALSE);
        }
}

// static 
void LLPanelGroupSubTab::onClickSearch(void* user_data)
{
        LLPanelGroupSubTab* self = static_cast<LLPanelGroupSubTab*>(user_data);
        self->handleClickSearch();
}
 
void LLPanelGroupSubTab::handleClickSearch()
{
        lldebugs << "LLPanelGroupSubTab::handleClickSearch()" << llendl;

        if (0 == mSearchLineEditor->getText().size())
        {
                // No search text.  (This shouldn't happen... the search button should have been disabled).
                llwarns << "handleClickSearch with no search text!" << llendl;
                mSearchButton->setEnabled(FALSE);
                return;
        }

        setSearchFilter( mSearchLineEditor->getText() );
        mShowAllButton->setEnabled(TRUE);
}

// static
void LLPanelGroupSubTab::onClickShowAll(void* user_data)
{
        LLPanelGroupSubTab* self = static_cast<LLPanelGroupSubTab*>(user_data);
        self->handleClickShowAll();
}

void LLPanelGroupSubTab::handleClickShowAll()
{
        lldebugs << "LLPanelGroupSubTab::handleClickShowAll()" << llendl;
        setSearchFilter( LLString::null );
        mShowAllButton->setEnabled(FALSE);
}

void LLPanelGroupSubTab::setSearchFilter(const LLString& filter)
{
        lldebugs << "LLPanelGroupSubTab::setSearchFilter() ==> '" << filter << "'" << llendl;
        mSearchFilter = filter;
        LLString::toLower(mSearchFilter);
        update(GC_ALL);
}

void LLPanelGroupSubTab::activate()
{
        lldebugs << "LLPanelGroupSubTab::activate()" << llendl;
        setOthersVisible(TRUE);
}

void LLPanelGroupSubTab::deactivate()
{
        lldebugs << "LLPanelGroupSubTab::deactivate()" << llendl;
        setOthersVisible(FALSE);
}

void LLPanelGroupSubTab::setOthersVisible(BOOL b)
{
        if (mHeader)
        {
                mHeader->setVisible( b );
        }
        else
        {
                llwarns << "LLPanelGroupSubTab missing header!" << llendl;
        }

        if (mFooter)
        {
                mFooter->setVisible( b );
        }
        else
        {
                llwarns << "LLPanelGroupSubTab missing footer!" << llendl;
        }
}

bool LLPanelGroupSubTab::matchesActionSearchFilter(std::string action)
{
        // If the search filter is empty, everything passes.
        if (mSearchFilter.empty()) return true;

        LLString::toLower(action);
        std::string::size_type match = action.find(mSearchFilter);

        if (std::string::npos == match)
        {
                // not found
                return false;
        }
        else
        {
                return true;
        }
}

void LLPanelGroupSubTab::buildActionsList(LLScrollListCtrl* ctrl, 
                                                                                  U64 allowed_by_some, 
                                                                                  U64 allowed_by_all,
                                                                                  icon_map_t& icons,
                                                                                  void (*commit_callback)(LLUICtrl*,void*),
                                                                                  BOOL show_all,
                                                                                  BOOL filter,
                                                                                  BOOL is_owner_role)
{
        if (gGroupMgr->mRoleActionSets.empty())
        {
                llwarns << "Can't build action list - no actions found." << llendl;
                return;
        }

        std::vector<LLRoleActionSet*>::iterator ras_it = gGroupMgr->mRoleActionSets.begin();
        std::vector<LLRoleActionSet*>::iterator ras_end = gGroupMgr->mRoleActionSets.end();

        for ( ; ras_it != ras_end; ++ras_it)
        {
                buildActionCategory(ctrl,
                                                        allowed_by_some,
                                                        allowed_by_all,
                                                        (*ras_it),
                                                        icons, 
                                                        commit_callback,
                                                        show_all,
                                                        filter,
                                                        is_owner_role);
        }
}

void LLPanelGroupSubTab::buildActionCategory(LLScrollListCtrl* ctrl,
                                                                                         U64 allowed_by_some,
                                                                                         U64 allowed_by_all,
                                                                                         LLRoleActionSet* action_set,
                                                                                         icon_map_t& icons,
                                                                                         void (*commit_callback)(LLUICtrl*,void*),
                                                                                         BOOL show_all,
                                                                                         BOOL filter,
                                                                                         BOOL is_owner_role)
{
        lldebugs << "Building role list for: " << action_set->mActionSetData->mName << llendl;
        // See if the allow mask matches anything in this category.
        if (show_all || (allowed_by_some & action_set->mActionSetData->mPowerBit))
        {
                // List all the actions in this category that at least some members have.
                LLSD row;

                row["columns"][0]["column"] = "icon";
                icon_map_t::iterator iter = icons.find("folder");
                if (iter != icons.end())
                {
                        row["columns"][0]["type"] = "icon";
                        row["columns"][0]["value"] = (*iter).second;
                }

                row["columns"][1]["column"] = "action";
                row["columns"][1]["value"] = action_set->mActionSetData->mName;
                row["columns"][1]["font-style"] = "BOLD";

                LLScrollListItem* title_row = ctrl->addElement(row, ADD_BOTTOM, action_set->mActionSetData);

                bool category_matches_filter = (filter) ? matchesActionSearchFilter(action_set->mActionSetData->mName) : true;

                std::vector<LLRoleAction*>::iterator ra_it = action_set->mActions.begin();
                std::vector<LLRoleAction*>::iterator ra_end = action_set->mActions.end();

                bool items_match_filter = false;
                BOOL can_change_actions = (!is_owner_role && gAgent.hasPowerInGroup(mGroupID, GP_ROLE_CHANGE_ACTIONS));

                for ( ; ra_it != ra_end; ++ra_it)
                {
                        // See if anyone has these action.
                        if (!show_all && !(allowed_by_some & (*ra_it)->mPowerBit))
                        {
                                continue;
                        }

                        // See if we are filtering out these actions
                        // If we aren't using filters, category_matches_filter will be true.
                        if (!category_matches_filter
                                && !matchesActionSearchFilter((*ra_it)->mDescription))
                        {
                                continue;                                                                               
                        }

                        items_match_filter = true;

                        // See if everyone has these actions.
                        bool show_full_strength = false;
                        if ( (allowed_by_some & (*ra_it)->mPowerBit) == (allowed_by_all & (*ra_it)->mPowerBit) )
                        {
                                show_full_strength = true;
                        }

                        LLSD row;

                        S32 column_index = 0;
                        row["columns"][column_index]["column"] = "icon";
                        ++column_index;

                        
                        S32 check_box_index = -1;
                        if (commit_callback)
                        {
                                row["columns"][column_index]["column"] = "checkbox";
                                row["columns"][column_index]["type"] = "checkbox";
                                row["columns"][column_index]["value"] = (*ra_it)->mName;
                                check_box_index = column_index;
                                ++column_index;
                        }
                        else
                        {
                                if (show_full_strength)
                                {
                                        icon_map_t::iterator iter = icons.find("full");
                                        if (iter != icons.end())
                                        {
                                                row["columns"][column_index]["column"] = "checkbox";
                                                row["columns"][column_index]["type"] = "icon";
                                                row["columns"][column_index]["value"] = (*iter).second;
                                                ++column_index;
                                        }
                                }
                                else
                                {
                                        icon_map_t::iterator iter = icons.find("partial");
                                        if (iter != icons.end())
                                        {
                                                row["columns"][column_index]["column"] = "checkbox";
                                                row["columns"][column_index]["type"] = "icon";
                                                row["columns"][column_index]["value"] = (*iter).second;
                                                ++column_index;
                                        }
                                        row["enabled"] = false;
                                }
                        }

                        row["columns"][column_index]["column"] = "action";
                        row["columns"][column_index]["value"] = (*ra_it)->mDescription;
                        row["columns"][column_index]["font"] = "SANSSERIFSMALL";

                        LLScrollListItem* item = ctrl->addElement(row, ADD_BOTTOM, (*ra_it));

                        if (-1 != check_box_index)
                        {
                                // Extract the checkbox that was created.
                                LLScrollListCheck* check_cell = (LLScrollListCheck*) item->getColumn(check_box_index);
                                LLCheckBoxCtrl* check = check_cell->getCheckBox();
                                check->setEnabled(can_change_actions);
                                check->setCommitCallback(commit_callback);
                                check->setCallbackUserData(ctrl->getCallbackUserData());
                                check->setToolTip( check->getLabel() );

                                if (show_all)
                                {
                                        check->setTentative(FALSE);
                                        if (allowed_by_some & (*ra_it)->mPowerBit)
                                        {
                                                check->set(TRUE);
                                        }
                                        else
                                        {
                                                check->set(FALSE);
                                        }
                                }
                                else
                                {
                                        check->set(TRUE);
                                        if (show_full_strength)
                                        {
                                                check->setTentative(FALSE);
                                        }
                                        else
                                        {
                                                check->setTentative(TRUE);
                                        }
                                }
                        }
                }

                if (!items_match_filter)
                {
                        S32 title_index = ctrl->getItemIndex(title_row);
                        ctrl->deleteSingleItem(title_index);
                }
        }
}

void LLPanelGroupSubTab::setFooterEnabled(BOOL enable)
{
        if (mFooter)
        {
                mFooter->setAllChildrenEnabled(enable);
        }
}

// LLPanelGroupMembersSubTab

// static
void* LLPanelGroupMembersSubTab::createTab(void* data)
{
        LLUUID* group_id = static_cast<LLUUID*>(data);
        return new LLPanelGroupMembersSubTab("panel group members sub tab", *group_id);
}

LLPanelGroupMembersSubTab::LLPanelGroupMembersSubTab(const std::string& name, const LLUUID& group_id)
:       LLPanelGroupSubTab(name, group_id),
        mMembersList(NULL),
        mAssignedRolesList(NULL),
        mAllowedActionsList(NULL),
        mChanged(FALSE),
        mPendingMemberUpdate(FALSE),
        mHasMatch(FALSE),
        mNumOwnerAdditions(0)
{
}

LLPanelGroupMembersSubTab::~LLPanelGroupMembersSubTab()
{
}

BOOL LLPanelGroupMembersSubTab::postBuildSubTab(LLView* root)
{
        // Upcast parent so we can ask it for sibling controls.
        LLPanelGroupRoles* parent = (LLPanelGroupRoles*) root;

        // Look recursively from the parent to find all our widgets.
        bool recurse = true;
        mHeader = (LLPanel*) parent->getChildByName("members_header", recurse);
        mFooter = (LLPanel*) parent->getChildByName("members_footer", recurse);

        mMembersList            = (LLNameListCtrl*)     parent->getChildByName("member_list", recurse);
        mAssignedRolesList      = (LLScrollListCtrl*)   parent->getChildByName("member_assigned_roles", recurse);
        mAllowedActionsList     = (LLScrollListCtrl*)   parent->getChildByName("member_allowed_actions", recurse);

        if (!mMembersList || !mAssignedRolesList || !mAllowedActionsList) return FALSE;

        // We want to be notified whenever a member is selected.
        mMembersList->setCallbackUserData(this);
        mMembersList->setCommitOnSelectionChange(TRUE);
        mMembersList->setCommitCallback(onMemberSelect);
        // Show the member's profile on double click.
        mMembersList->setDoubleClickCallback(onMemberDoubleClick);

        LLButton* button = (LLButton*) parent->getChildByName("member_invite", recurse);
        if ( button )
        {
                button->setClickedCallback(onInviteMember);
                button->setCallbackUserData(this);
                button->setEnabled(gAgent.hasPowerInGroup(mGroupID, GP_MEMBER_INVITE));
        }

        mEjectBtn = (LLButton*) parent->getChildByName("member_eject", recurse);
        if ( mEjectBtn )
        {
                mEjectBtn->setClickedCallback(onEjectMembers);
                mEjectBtn->setCallbackUserData(this);
                mEjectBtn->setEnabled(FALSE);
        }

        return TRUE;
}


// static
void LLPanelGroupMembersSubTab::onMemberSelect(LLUICtrl* ctrl, void* user_data)
{
        LLPanelGroupMembersSubTab* self = static_cast<LLPanelGroupMembersSubTab*>(user_data);
        self->handleMemberSelect();
}

void LLPanelGroupMembersSubTab::handleMemberSelect()
{
        lldebugs << "LLPanelGroupMembersSubTab::handleMemberSelect" << llendl;

        mAssignedRolesList->deleteAllItems();
        mAllowedActionsList->deleteAllItems();
        
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) 
        {
                llwarns << "LLPanelGroupMembersSubTab::handleMemberSelect() "
                                << "-- No group data!" << llendl;
                return;
        }

        // Check if there is anything selected.
        std::vector<LLScrollListItem*> selection = mMembersList->getAllSelected();
        if (selection.empty()) return;

        // Build a vector of all selected members, and gather allowed actions.
        std::vector<LLUUID> selected_members;
        U64 allowed_by_all = 0xffffffffffffLL;
        U64 allowed_by_some = 0;

        std::vector<LLScrollListItem*>::iterator itor;
        for (itor = selection.begin();
                 itor != selection.end(); ++itor)
        {
                selected_members.push_back( (*itor)->getUUID() );
                // Get this member's power mask including any unsaved changes

                U64 powers = getAgentPowersBasedOnRoleChanges((*itor)->getUUID());

                allowed_by_all &= powers;
                allowed_by_some |= powers;
        }
        std::sort(selected_members.begin(), selected_members.end());

        // Build the allowed actions list.
        buildActionsList(mAllowedActionsList,
                                         allowed_by_some,
                                         allowed_by_all,
                                         mActionIcons,
                                         NULL,
                                         FALSE,
                                         FALSE,
                                         FALSE);

        // Build the assigned roles list.
        // Add each role to the assigned roles list.
        LLGroupMgrGroupData::role_iter iter = gdatap->mRoles.begin();
        LLGroupMgrGroupData::role_iter end  = gdatap->mRoles.end();

        BOOL can_eject_members = gAgent.hasPowerInGroup(mGroupID,
                                                                                                        GP_MEMBER_EJECT);
        BOOL member_is_owner = FALSE;
        
        for( ; iter != end; ++iter)
        {
                // Count how many selected users are in this role.
                const LLUUID& role_id = iter->first;
                LLGroupRoleData* group_role_data = iter->second;

                if (group_role_data)
                {
                        const BOOL needs_sort = FALSE;
                        S32 count = group_role_data->getMembersInRole(
                                                                                        selected_members, needs_sort);
                        //check if the user has permissions to assign/remove
                        //members to/from the role (but the ability to add/remove
                        //should only be based on the "saved" changes to the role
                        //not in the temp/meta data. -jwolk
                        BOOL cb_enable = ( (count > 0) ?
                                                           agentCanRemoveFromRole(mGroupID, role_id) :
                                                           agentCanAddToRole(mGroupID, role_id) );


                        // Owner role has special enabling permissions for removal.
                        if (cb_enable && (count > 0) && role_id == gdatap->mOwnerRole)
                        {
                                // Check if any owners besides this agent are selected.
                                std::vector<LLUUID>::const_iterator member_iter;
                                std::vector<LLUUID>::const_iterator member_end =
                                                                                                selected_members.end();
                                for (member_iter = selected_members.begin();
                                         member_iter != member_end;     
                                         ++member_iter)
                                {
                                        // Don't count the agent.
                                        if ((*member_iter) == gAgent.getID()) continue;
                                        
                                        // Look up the member data.
                                        LLGroupMgrGroupData::member_iter mi = 
                                                                        gdatap->mMembers.find((*member_iter));
                                        if (mi == gdatap->mMembers.end()) continue;
                                        LLGroupMemberData* member_data = (*mi).second;
                                        // Is the member an owner?
                                        if ( member_data->isInRole(gdatap->mOwnerRole) )
                                        {
                                                // Can't remove other owners.
                                                cb_enable = FALSE;
                                                break;
                                        }
                                }
                        }

                        //now see if there are any role changes for the selected
                        //members and remember to include them
                        std::vector<LLUUID>::iterator sel_mem_iter = selected_members.begin();
                        for (; sel_mem_iter != selected_members.end(); sel_mem_iter++)
                        {
                                LLRoleMemberChangeType type;
                                if ( getRoleChangeType(*sel_mem_iter, role_id, type) )
                                {
                                        if ( type == RMC_ADD ) count++;
                                        else if ( type == RMC_REMOVE ) count--;
                                }
                        }
                        
                        // If anyone selected is in any role besides 'Everyone' then they can't be ejected.
                        if (role_id.notNull() && (count > 0))
                        {
                                can_eject_members = FALSE;
                                if (role_id == gdatap->mOwnerRole)
                                {
                                        member_is_owner = TRUE;
                                }
                        }

                        LLRoleData rd;
                        if (gdatap->getRoleData(role_id,rd))
                        {
                                std::ostringstream label;
                                label << rd.mRoleName;
                                // Don't bother showing a count, if there is only 0 or 1.
                                if (count > 1)
                                {
                                        label << ": " << count ;
                                }
        
                                LLSD row;
                                row["id"] = role_id;

                                row["columns"][0]["column"] = "checkbox";
                                row["columns"][0]["type"] = "checkbox";

                                row["columns"][1]["column"] = "role";
                                row["columns"][1]["value"] = label.str();

                                if (row["id"].asUUID().isNull())
                                {
                                        // This is the everyone role, you can't take people out of the everyone role!
                                        row["enabled"] = false;
                                }

                                LLScrollListItem* item = mAssignedRolesList->addElement(row);

                                // Extract the checkbox that was created.
                                LLScrollListCheck* check_cell = (LLScrollListCheck*) item->getColumn(0);
                                LLCheckBoxCtrl* check = check_cell->getCheckBox();
                                check->setCommitCallback(onRoleCheck);
                                check->setCallbackUserData(this);
                                check->set( count > 0 );
                                check->setTentative(
                                        (0 != count)
                                        && (selected_members.size() !=
                                                (std::vector<LLUUID>::size_type)count));

                                //NOTE: as of right now a user can break the group
                                //by removing himself from a role if he is the
                                //last owner.  We should check for this special case
                                // -jwolk
                                check->setEnabled(cb_enable);
                        }
                }
                else
                {
                        // This could happen if changes are not synced right on sub-panel change.
                        llwarns << "No group role data for " << iter->second << llendl;
                }
        }
        mAssignedRolesList->setEnabled(TRUE);

        if (!can_eject_members && !member_is_owner)
        {
                // Maybe we can eject them because we are an owner...
                LLGroupMgrGroupData::member_iter mi = gdatap->mMembers.find(gAgent.getID());
                if (mi != gdatap->mMembers.end())
                {
                        LLGroupMemberData* member_data = (*mi).second;

                        if ( member_data && member_data->isInRole(gdatap->mOwnerRole) )
                        {
                                can_eject_members = TRUE;
                        }
                }
        }

        mEjectBtn->setEnabled(can_eject_members);
}

// static
void LLPanelGroupMembersSubTab::onMemberDoubleClick(void* user_data)
{
        LLPanelGroupMembersSubTab* self = static_cast<LLPanelGroupMembersSubTab*>(user_data);
        self->handleMemberDoubleClick();
}

//static
void LLPanelGroupMembersSubTab::onInviteMember(void *userdata)
{
        LLPanelGroupMembersSubTab* selfp = (LLPanelGroupMembersSubTab*) userdata;

        if ( selfp )
        {
                selfp->handleInviteMember();
        }
}

void LLPanelGroupMembersSubTab::handleInviteMember()
{
        LLFloaterGroupInvite::showForGroup(mGroupID);
}

void LLPanelGroupMembersSubTab::onEjectMembers(void *userdata)
{
        LLPanelGroupMembersSubTab* selfp = (LLPanelGroupMembersSubTab*) userdata;

        if ( selfp )
        {
                selfp->handleEjectMembers();
        }
}

void LLPanelGroupMembersSubTab::handleEjectMembers()
{
        //send down an eject message
        std::vector<LLUUID> selected_members;

        std::vector<LLScrollListItem*> selection = mMembersList->getAllSelected();
        if (selection.empty()) return;

        std::vector<LLScrollListItem*>::iterator itor;
        for (itor = selection.begin() ; 
                 itor != selection.end(); ++itor)
        {
                selected_members.push_back((*itor)->getUUID());
        }

        mMembersList->deleteSelectedItems();

        gGroupMgr->sendGroupMemberEjects(mGroupID,
                                                                         selected_members);
}

void LLPanelGroupMembersSubTab::handleRoleCheck(const LLUUID& role_id,
                                                                                                LLRoleMemberChangeType type)
{
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) return;

        //add that the user is requesting to change the roles for selected
        //members
        U64 powers_all_have  = 0xffffffffffffLL;
        U64 powers_some_have = 0;

        BOOL   is_owner_role = ( gdatap->mOwnerRole == role_id );
        LLUUID member_id;
        

        member_role_change_iter           member_end = mMemberRoleChangeData.end();
        member_role_change_iter           member;
        role_change_data_map_t           *role_change_datap;
        role_change_data_map_t::iterator  role_end;
        role_change_data_map_t::iterator  role;

        std::vector<LLScrollListItem*> selection = mMembersList->getAllSelected();
        if (selection.empty()) return;

        std::vector<LLScrollListItem*>::iterator itor;
        for (itor = selection.begin() ; 
                 itor != selection.end(); ++itor)
        {
                member_id = (*itor)->getUUID();

                //see if we requested a change for this member before
                member = mMemberRoleChangeData.find(member_id);
                if ( member != member_end )
                {
                        //this member had previously had their role data changed
                        //so grab it
                        role_change_datap = (*member).second;
                }
                else
                {
                        role_change_datap = new role_change_data_map_t;
                        mMemberRoleChangeData[member_id] = role_change_datap;
                }

                //now check to see if the selected group member
                //had changed his association with the selected role before
                role_end = role_change_datap->end();
                role     = role_change_datap->find(role_id);

                if ( role != role_end )
                {
                        //see if the new change type cancels out the previous change
                        if (role->second != type)
                        {
                                role_change_datap->erase(role_id);
                                if ( is_owner_role ) mNumOwnerAdditions--;
                        }
                        //else do nothing

                        if ( role_change_datap->empty() )
                        {
                                //the current member now has no role changes
                                //so erase the role change and erase the member's entry
                                delete role_change_datap;
                role_change_datap = NULL;

                                mMemberRoleChangeData.erase(member_id);
                        }
                }
                else
                {
                        //a previously unchanged role is being changed
                        (*role_change_datap)[role_id] = type;
                        if ( is_owner_role && type == RMC_ADD ) mNumOwnerAdditions++;
                }

                //we need to calculate what powers the selected members
                //have (including the role changes we're making)
                //so that we can rebuild the action list
                U64 new_powers = getAgentPowersBasedOnRoleChanges(member_id);

                powers_all_have  &= new_powers;
                powers_some_have |= new_powers;
        }

        
        mChanged = !mMemberRoleChangeData.empty();
        notifyObservers();

        //alrighty now we need to update the actions list
        //to reflect the changes
        mAllowedActionsList->deleteAllItems();
        buildActionsList(mAllowedActionsList,
                                         powers_some_have,
                                         powers_all_have,
                                         mActionIcons,
                                         NULL,
                                         FALSE,
                                         FALSE,
                                         FALSE);
}


// static 
void LLPanelGroupMembersSubTab::onRoleCheck(LLUICtrl* ctrl, void* user_data)
{
        LLPanelGroupMembersSubTab* self = static_cast<LLPanelGroupMembersSubTab*>(user_data);
        LLCheckBoxCtrl* check_box = static_cast<LLCheckBoxCtrl*>(ctrl);
        if (!check_box || !self) return;

        LLScrollListItem* first_selected =
                self->mAssignedRolesList->getFirstSelected();
        if (first_selected)
        {
                LLUUID role_id = first_selected->getUUID();
                LLRoleMemberChangeType change_type = (check_box->get() ? 
                                                      RMC_ADD : 
                                                      RMC_REMOVE);
                
                self->handleRoleCheck(role_id, change_type);
        }
}

void LLPanelGroupMembersSubTab::handleMemberDoubleClick()
{
        LLScrollListItem* selected = mMembersList->getFirstSelected();
        if (selected)
        {
                LLFloaterAvatarInfo::showFromDirectory( selected->getUUID() );
        }
}

void LLPanelGroupMembersSubTab::activate()
{
        LLPanelGroupSubTab::activate();

        update(GC_ALL);
}

void LLPanelGroupMembersSubTab::deactivate()
{
        LLPanelGroupSubTab::deactivate();
}

bool LLPanelGroupMembersSubTab::needsApply(LLString& mesg)
{
        return mChanged;
}

void LLPanelGroupMembersSubTab::cancel()
{
        if ( mChanged )
        {
                std::for_each(mMemberRoleChangeData.begin(),
                                          mMemberRoleChangeData.end(),
                                          DeletePairedPointer());
                mMemberRoleChangeData.clear();

                mChanged = FALSE;
                notifyObservers();
        }
}

bool LLPanelGroupMembersSubTab::apply(LLString& mesg)
{
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap)
        {
                llwarns << "Unable to get group data for group " << mGroupID << llendl;

                mesg.assign("Unable to save member data.  Try again later.");
                return false;
        }

        if (mChanged)
        {
                //figure out if we are somehow adding an owner or not and alert
                //the user...possibly make it ignorable
                if ( mNumOwnerAdditions > 0 )
                {
                        LLRoleData rd;
                        LLStringBase<char>::format_map_t args;

                        if ( gdatap->getRoleData(gdatap->mOwnerRole, rd) )
                        {
                                mHasModal = TRUE;
                                args["[ROLE_NAME]"] = rd.mRoleName;
                                gViewerWindow->alertXml("AddGroupOwnerWarning",
                                                                                args,
                                                                                addOwnerCB,
                                                                                this);
                        }
                        else
                        {
                                llwarns << "Unable to get role information for the owner role in group " << mGroupID << llendl;

                                mesg.assign("Unable to retried specific group information.  Try again later");
                                return false;
                        }
                                 
                }
                else
                {
                        applyMemberChanges();
                }
        }

        return true;
}

//static
void LLPanelGroupMembersSubTab::addOwnerCB(S32 option, void* data)
{
        LLPanelGroupMembersSubTab* self = (LLPanelGroupMembersSubTab*) data;

        if (!self) return;
        
        self->mHasModal = FALSE;

        if (0 == option)
        {
                // User clicked "Yes"
                self->applyMemberChanges();
        }
}

void LLPanelGroupMembersSubTab::applyMemberChanges()
{
        //sucks to do a find again here, but it is in constant time, so, could
        //be worse
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap)
        {
                llwarns << "Unable to get group data for group " << mGroupID << llendl;
                return;
        }

        //we need to add all of the changed roles data
        //for each member whose role changed
        member_role_change_iter member_end = mMemberRoleChangeData.end();
        member_role_change_iter member     = mMemberRoleChangeData.begin();

        for (; member != member_end; member++)
        {
                role_change_data_map_t::iterator role_end = member->second->end();
                role_change_data_map_t::iterator role     = member->second->begin();

                for (; role != role_end; role++)
                {
                        gdatap->changeRoleMember(role->first, //role_id
                                                                         member->first, //member_id
                                                                         role->second); //add/remove
                }

                member->second->clear();
                delete member->second;
        }
        mMemberRoleChangeData.clear();

        gGroupMgr->sendGroupRoleMemberChanges(mGroupID);        
        //force a UI update
        handleMemberSelect();

        mChanged = FALSE;
        mNumOwnerAdditions = 0;
        notifyObservers();
}

bool LLPanelGroupMembersSubTab::matchesSearchFilter(char* first, char* last)
{
        // If the search filter is empty, everything passes.
        if (mSearchFilter.empty()) return true;

        // Create a full name, and compare it to the search filter.
        LLString fullname;
        fullname.assign(first);
        fullname.append(1, ' ');
        fullname.append(last);
        LLString::toLower(fullname);

        std::string::size_type match = fullname.find(mSearchFilter);

        if (std::string::npos == match)
        {
                // not found
                return false;
        }
        else
        {
                return true;
        }
}

U64 LLPanelGroupMembersSubTab::getAgentPowersBasedOnRoleChanges(const LLUUID& agent_id)
{
        //we loop over all of the changes
        //if we are adding a role, then we simply add the role's powers
        //if we are removing a role, we store that role id away
        //and then we have to build the powers up bases on the roles the agent
        //is in
        member_role_change_iter          member_end = mMemberRoleChangeData.end();
        member_role_change_iter          member;
        role_change_data_map_t          *role_change_datap = NULL;
        role_change_data_map_t::iterator role_end;
        role_change_data_map_t::iterator role;

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) 
        {
                llwarns << "LLPanelGroupMembersSubTab::getAgentPowersBasedOnRoleChanges() -- No group data!" << llendl;
                return GP_NO_POWERS;
        }

        LLGroupMemberData* member_data = gdatap->mMembers[agent_id];
        if ( !member_data )
        {
                llwarns << "LLPanelGroupMembersSubTab::getAgentPowersBasedOnRoleChanges() -- No member data for member with UUID " << agent_id << llendl;
                return GP_NO_POWERS;
        }

        //see if there are unsaved role changes for this agent
        member = mMemberRoleChangeData.find(agent_id);
        if ( member != member_end )
        {
                //this member has unsaved role changes
                //so grab them
                role_change_datap = (*member).second;
        }

        U64 new_powers = GP_NO_POWERS;

        if ( role_change_datap )
        {
                std::vector<LLUUID> roles_to_be_removed;

                role_end = role_change_datap->end();
                role     = role_change_datap->begin();

                for (; role != role_end; role++)
                {
                        if ( role->second == RMC_ADD )
                                new_powers |= gdatap->getRolePowers(role->first);
                        else
                        {
                                roles_to_be_removed.push_back(role->first);
                        }
                }

                //loop over the member's current roles, summing up
                //the powers (not including the role we are removing)
                std::map<LLUUID,LLGroupRoleData*>::iterator current_role =
                        member_data->roleBegin();
                std::map<LLUUID,LLGroupRoleData*>::iterator end_role = 
                        member_data->roleEnd();

                for (; current_role != end_role; current_role++)
                {
                        bool role_in_remove_list =
                                (std::find(roles_to_be_removed.begin(),
                                                   roles_to_be_removed.end(),
                                                   current_role->second->getID()) !=
                                 roles_to_be_removed.end());

                        if ( !role_in_remove_list )
                        {
                                new_powers |= 
                                        current_role->second->getRoleData().mRolePowers;
                        }
                }
        }
        else
        {
                //there are no changes for this member
                //the member's powers are just the ones stored in the group
                //manager
                new_powers = member_data->getAgentPowers();
        }

        return new_powers;
}

//If there is no change, returns false be sure to verify
//that there is a role change before attempting to get it or else
//the data will make no sense.  Stores the role change type
bool LLPanelGroupMembersSubTab::getRoleChangeType(const LLUUID& member_id,
                                                                                                  const LLUUID& role_id,
                                                                                                  LLRoleMemberChangeType& type)
{
        member_role_change_iter           member_changes_iter;
        role_change_data_map_t::iterator  role_changes_iter;

        member_changes_iter = mMemberRoleChangeData.find(member_id);
        if ( member_changes_iter != mMemberRoleChangeData.end() )
        {
                role_changes_iter = member_changes_iter->second->find(role_id);
                if ( role_changes_iter != member_changes_iter->second->end() )
                {
                        type = role_changes_iter->second;
                        return true;
                }
        }

        return false;
}

void LLPanelGroupMembersSubTab::draw()
{
        LLPanelGroupSubTab::draw();

        if (mPendingMemberUpdate)
        {
                updateMembers();
        }
}

void LLPanelGroupMembersSubTab::update(LLGroupChange gc)
{
        if (mGroupID.isNull()) return;

        if ( GC_TITLES == gc || GC_PROPERTIES == gc )
        {
                // Don't care about title or general group properties updates.
                return;
        }

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) 
        {
                llwarns << "LLPanelGroupMembersSubTab::update() -- No group data!" << llendl;
                return;
        }

        // Rebuild the members list.
        mMembersList->deleteAllItems();

        // Wait for both all data to be retrieved before displaying anything.
        if (   gdatap->isMemberDataComplete() 
                && gdatap->isRoleDataComplete()
                && gdatap->isRoleMemberDataComplete())
        {
                mMemberProgress = gdatap->mMembers.begin();
                mPendingMemberUpdate = TRUE;
                mHasMatch = FALSE;
        }
        else
        {
                // Build a string with info on retrieval progress.
                std::ostringstream retrieved;
                if ( !gdatap->isMemberDataComplete() )
                {
                        // Still busy retreiving member list.
                        retrieved << "Retrieving member list (" << gdatap->mMembers.size()
                                          << " / " << gdatap->mMemberCount << ")...";
                }
                else if( !gdatap->isRoleDataComplete() )
                {
                        // Still busy retreiving role list.
                        retrieved << "Retrieving role list (" << gdatap->mRoles.size()
                                          << " / " << gdatap->mRoleCount << ")...";
                }
                else // (!gdatap->isRoleMemberDataComplete())
                {
                        // Still busy retreiving role/member mappings.
                        retrieved << "Retrieving role member mappings...";
                }
                mMembersList->setEnabled(FALSE);
                mMembersList->addSimpleItem(retrieved.str());
        }
}

void LLPanelGroupMembersSubTab::updateMembers()
{
        mPendingMemberUpdate = FALSE;

        lldebugs << "LLPanelGroupMembersSubTab::updateMembers()" << llendl;

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) 
        {
                llwarns << "LLPanelGroupMembersSubTab::updateMembers() -- No group data!" << llendl;
                return;
        }

        // Make sure all data is still complete.  Incomplete data
        // may occur if we refresh.
        if (   !gdatap->isMemberDataComplete() 
                || !gdatap->isRoleDataComplete()
                || !gdatap->isRoleMemberDataComplete())
        {
                return;
        }
                
        LLGroupMgrGroupData::member_iter end = gdatap->mMembers.end();

        char first[DB_FIRST_NAME_BUF_SIZE];             /*Flawfinder: ignore*/
        char last[DB_LAST_NAME_BUF_SIZE];               /*Flawfinder: ignore*/
        S32 i = 0;
        for( ; mMemberProgress != end && i<UPDATE_MEMBERS_PER_FRAME; 
                        ++mMemberProgress, ++i)
        {
                if (!mMemberProgress->second)
                        continue;
                // Do filtering on name if it is already in the cache.
                bool add_member = true;

                if (gCacheName->getName(mMemberProgress->first, first, last))
                {
                        if ( !matchesSearchFilter(first, last) )
                        {
                                add_member = false;
                        }
                }

                if (add_member)
                {
                        // Build the donated tier string.
                        std::ostringstream donated;
                        donated << mMemberProgress->second->getContribution() << " sq. m.";

                        LLSD row;
                        row["id"] = (*mMemberProgress).first;

                        row["columns"][0]["column"] = "name";
                        // value is filled in by name list control

                        row["columns"][1]["column"] = "donated";
                        row["columns"][1]["value"] = donated.str();

                        row["columns"][2]["column"] = "online";
                        row["columns"][2]["value"] = mMemberProgress->second->getOnlineStatus();
                        row["columns"][2]["font"] = "SANSSERIFSMALL";

                        mMembersList->addElement(row);//, ADD_SORTED);
                        mHasMatch = TRUE;
                }
        }

        if (mMemberProgress == end)
        {
                if (mHasMatch)
                {
                        mMembersList->setEnabled(TRUE);
                }
                else
                {
                        mMembersList->setEnabled(FALSE);
                        mMembersList->addSimpleItem("No match.");
                }
        }
        else
        {
                mPendingMemberUpdate = TRUE;
        }

        // This should clear the other two lists, since nothing is selected.
        handleMemberSelect();
}



// LLPanelGroupRolesSubTab

// static
void* LLPanelGroupRolesSubTab::createTab(void* data)
{
        LLUUID* group_id = static_cast<LLUUID*>(data);
        return new LLPanelGroupRolesSubTab("panel group roles sub tab", *group_id);
}

LLPanelGroupRolesSubTab::LLPanelGroupRolesSubTab(const std::string& name, const LLUUID& group_id)
: LLPanelGroupSubTab(name, group_id), mHasRoleChange(FALSE)
{
}

LLPanelGroupRolesSubTab::~LLPanelGroupRolesSubTab()
{
}

BOOL LLPanelGroupRolesSubTab::postBuildSubTab(LLView* root)
{
        // Upcast parent so we can ask it for sibling controls.
        LLPanelGroupRoles* parent = (LLPanelGroupRoles*) root;

        // Look recursively from the parent to find all our widgets.
        bool recurse = true;
        mHeader = (LLPanel*) parent->getChildByName("roles_header", recurse);
        mFooter = (LLPanel*) parent->getChildByName("roles_footer", recurse);


        mRolesList              = (LLScrollListCtrl*)   parent->getChildByName("role_list", recurse);
        mAssignedMembersList    = (LLNameListCtrl*)     parent->getChildByName("role_assigned_members", recurse);
        mAllowedActionsList     = (LLScrollListCtrl*)   parent->getChildByName("role_allowed_actions", recurse);

        mRoleName = (LLLineEditor*) parent->getChildByName("role_name", recurse);
        mRoleTitle = (LLLineEditor*) parent->getChildByName("role_title", recurse);
        mRoleDescription = (LLTextEditor*) parent->getChildByName("role_description", recurse);

        mMemberVisibleCheck = (LLCheckBoxCtrl*) parent->getChildByName("role_visible_in_list", recurse);

        if (!mRolesList || !mAssignedMembersList || !mAllowedActionsList
                || !mRoleName || !mRoleTitle || !mRoleDescription || !mMemberVisibleCheck)
        {
                llwarns << "ARG! element not found." << llendl;
                return FALSE;
        }

        LLTextBox* txt = (LLTextBox*) parent->getChildByName("cant_delete_role", FALSE);
        if (txt)
        {
                mRemoveEveryoneTxt = txt->getText();
                parent->removeChild(txt, TRUE);
        }

        mCreateRoleButton = 
                (LLButton*) parent->getChildByName("role_create", recurse);
        if ( mCreateRoleButton )
        {
                mCreateRoleButton->setCallbackUserData(this);
                mCreateRoleButton->setClickedCallback(onCreateRole);
                mCreateRoleButton->setEnabled(FALSE);
        }
        
        mDeleteRoleButton =  
                (LLButton*) parent->getChildByName("role_delete", recurse);
        if ( mDeleteRoleButton )
        {
                mDeleteRoleButton->setCallbackUserData(this);
                mDeleteRoleButton->setClickedCallback(onDeleteRole);
                mDeleteRoleButton->setEnabled(FALSE);
        }

        mRolesList->setCommitOnSelectionChange(TRUE);
        mRolesList->setCallbackUserData(this);
        mRolesList->setCommitCallback(onRoleSelect);

        mMemberVisibleCheck->setCallbackUserData(this);
        mMemberVisibleCheck->setCommitCallback(onMemberVisibilityChange);

        mAllowedActionsList->setCommitOnSelectionChange(TRUE);
        mAllowedActionsList->setCallbackUserData(this);

        mRoleName->setCommitOnFocusLost(TRUE);
        mRoleName->setCallbackUserData(this);
        mRoleName->setKeystrokeCallback(onPropertiesKey);

        mRoleTitle->setCommitOnFocusLost(TRUE);
        mRoleTitle->setCallbackUserData(this);
        mRoleTitle->setKeystrokeCallback(onPropertiesKey);

        mRoleDescription->setCommitOnFocusLost(TRUE);
        mRoleDescription->setCallbackUserData(this);
        mRoleDescription->setCommitCallback(onDescriptionCommit);
        mRoleDescription->setFocusReceivedCallback(onDescriptionCommit);

        setFooterEnabled(FALSE);

        return TRUE;
}

void LLPanelGroupRolesSubTab::activate()
{
        LLPanelGroupSubTab::activate();

        mRolesList->deselectAllItems();
        mAssignedMembersList->deleteAllItems();
        mAllowedActionsList->deleteAllItems();
        mRoleName->clear();
        mRoleDescription->clear();
        mRoleTitle->clear();

        setFooterEnabled(FALSE);

        mHasRoleChange = FALSE;
        update(GC_ALL);
}

void LLPanelGroupRolesSubTab::deactivate()
{
        lldebugs << "LLPanelGroupRolesSubTab::deactivate()" << llendl;

        LLPanelGroupSubTab::deactivate();
}

bool LLPanelGroupRolesSubTab::needsApply(LLString& mesg)
{
        lldebugs << "LLPanelGroupRolesSubTab::needsApply()" << llendl;

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);

        return (mHasRoleChange                                                          // Text changed in current role
                        || (gdatap && gdatap->pendingRoleChanges()));   // Pending role changes in the group
}

bool LLPanelGroupRolesSubTab::apply(LLString& mesg)
{
        lldebugs << "LLPanelGroupRolesSubTab::apply()" << llendl;

        saveRoleChanges();
        gGroupMgr->sendGroupRoleChanges(mGroupID);

        notifyObservers();

        return true;
}

void LLPanelGroupRolesSubTab::cancel()
{
        mHasRoleChange = FALSE;
        gGroupMgr->cancelGroupRoleChanges(mGroupID);

        notifyObservers();
}

LLSD LLPanelGroupRolesSubTab::createRoleItem(const LLUUID& role_id, 
                                                                 std::string name, 
                                                                 std::string title, 
                                                                 S32 members)
{
        LLSD row;
        row["id"] = role_id;

        row["columns"][0]["column"] = "name";
        row["columns"][0]["value"] = name;

        row["columns"][1]["column"] = "title";
        row["columns"][1]["value"] = title;

        row["columns"][2]["column"] = "members";
        row["columns"][2]["value"] = members;
        
        return row;
}

bool LLPanelGroupRolesSubTab::matchesSearchFilter(std::string rolename, std::string roletitle)
{
        // If the search filter is empty, everything passes.
        if (mSearchFilter.empty()) return true;

        LLString::toLower(rolename);
        LLString::toLower(roletitle);
        std::string::size_type match_name = rolename.find(mSearchFilter);
        std::string::size_type match_title = roletitle.find(mSearchFilter);

        if ( (std::string::npos == match_name)
                && (std::string::npos == match_title))
        {
                // not found
                return false;
        }
        else
        {
                return true;
        }
}

void LLPanelGroupRolesSubTab::update(LLGroupChange gc)
{
        lldebugs << "LLPanelGroupRolesSubTab::update()" << llendl;

        if (mGroupID.isNull()) return;

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);

        if (!gdatap || !gdatap->isRoleDataComplete())
        {
                gGroupMgr->sendGroupRoleDataRequest(mGroupID);
        }
        else
        {
                bool had_selection = false;
                LLUUID last_selected;
                if (mRolesList->getFirstSelected())
                {
                        last_selected = mRolesList->getFirstSelected()->getUUID();
                        had_selection = true;
                }
                mRolesList->deleteAllItems();

                LLScrollListItem* item = NULL;

                LLGroupMgrGroupData::role_iter rit = gdatap->mRoles.begin();
                LLGroupMgrGroupData::role_iter end = gdatap->mRoles.end();

                for ( ; rit != end; ++rit)
                {
                        LLRoleData rd;
                        if (gdatap->getRoleData((*rit).first,rd))
                        {
                                if (matchesSearchFilter(rd.mRoleName, rd.mRoleTitle))
                                {
                                        // If this is the everyone role, then EVERYONE is in it.
                                        S32 members_in_role = (*rit).first.isNull() ? gdatap->mMembers.size() : (*rit).second->getTotalMembersInRole();
                                        LLSD row = createRoleItem((*rit).first,rd.mRoleName, rd.mRoleTitle, members_in_role);
                                        item = mRolesList->addElement(row, ((*rit).first.isNull()) ? ADD_TOP : ADD_BOTTOM, this);
                                        if (had_selection && ((*rit).first == last_selected))
                                        {
                                                item->setSelected(TRUE);
                                        }
                                }
                        }
                        else
                        {
                                llwarns << "LLPanelGroupRolesSubTab::update() No role data for role " << (*rit).first << llendl;
                        }
                }

                mRolesList->sortByColumn("name", TRUE);

                if ( (gdatap->mRoles.size() < (U32)MAX_ROLES)
                        && gAgent.hasPowerInGroup(mGroupID, GP_ROLE_CREATE) )
                {
                        mCreateRoleButton->setEnabled(TRUE);
                }
                else
                {
                        mCreateRoleButton->setEnabled(FALSE);
                }

                if (had_selection)
                {
                        handleRoleSelect();
                }
                else
                {
                        mAssignedMembersList->deleteAllItems();
                        mAllowedActionsList->deleteAllItems();
                        mRoleName->clear();
                        mRoleDescription->clear();
                        mRoleTitle->clear();
                        setFooterEnabled(FALSE);
                        mDeleteRoleButton->setEnabled(FALSE);
                }
        }

        if (!gdatap || !gdatap->isMemberDataComplete())
        {
                gGroupMgr->sendGroupMembersRequest(mGroupID);
        }
        
        if (!gdatap || !gdatap->isRoleMemberDataComplete())
        {
                gGroupMgr->sendGroupRoleMembersRequest(mGroupID);
        }

        if ((GC_ROLE_MEMBER_DATA == gc || GC_MEMBER_DATA == gc)
            && gdatap
            && gdatap->isMemberDataComplete()
            && gdatap->isRoleMemberDataComplete())
        {
                buildMembersList();
        }
}

// static
void LLPanelGroupRolesSubTab::onRoleSelect(LLUICtrl* ctrl, void* user_data)
{
        LLPanelGroupRolesSubTab* self = static_cast<LLPanelGroupRolesSubTab*>(user_data);
        self->handleRoleSelect();
}

void LLPanelGroupRolesSubTab::handleRoleSelect()
{
        BOOL can_delete = TRUE;
        lldebugs << "LLPanelGroupRolesSubTab::handleRoleSelect()" << llendl;

        mAssignedMembersList->deleteAllItems();
        mAllowedActionsList->deleteAllItems();
        
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) 
        {
                llwarns << "LLPanelGroupRolesSubTab::handleRoleSelect() "
                                << "-- No group data!" << llendl;
                return;
        }

        saveRoleChanges();

        // Check if there is anything selected.
        LLScrollListItem* item = mRolesList->getFirstSelected();
        if (!item)
        {
                setFooterEnabled(FALSE);
                return;
        }

        setFooterEnabled(TRUE);

        LLRoleData rd;
        if (gdatap->getRoleData(item->getUUID(),rd))
        {
                BOOL is_owner_role = ( gdatap->mOwnerRole == item->getUUID() );
                mRoleName->setText(rd.mRoleName);
                mRoleTitle->setText(rd.mRoleTitle);
                mRoleDescription->setText(rd.mRoleDescription);

                mAllowedActionsList->setEnabled(gAgent.hasPowerInGroup(mGroupID,
                                                                           GP_ROLE_CHANGE_ACTIONS));
                buildActionsList(mAllowedActionsList,
                                                 rd.mRolePowers,
                                                 0LL,
                                                 mActionIcons,
                                                 onActionCheck,
                                                 TRUE,
                                                 FALSE,
                                                 is_owner_role);


                mMemberVisibleCheck->set((rd.mRolePowers & GP_MEMBER_VISIBLE_IN_DIR) == GP_MEMBER_VISIBLE_IN_DIR);
                mRoleName->setEnabled(!is_owner_role &&
                                gAgent.hasPowerInGroup(mGroupID, GP_ROLE_PROPERTIES));
                mRoleTitle->setEnabled(gAgent.hasPowerInGroup(mGroupID, GP_ROLE_PROPERTIES));
                mRoleDescription->setEnabled(gAgent.hasPowerInGroup(mGroupID, GP_ROLE_PROPERTIES));
                mMemberVisibleCheck->setEnabled(gAgent.hasPowerInGroup(mGroupID, GP_ROLE_PROPERTIES));

                if (item->getUUID().isNull())
                {
                        // Everyone role, can't edit description or name or delete
                        mRoleDescription->setEnabled(FALSE);
                        mRoleName->setEnabled(FALSE);
                        can_delete = FALSE;
                }
                //you can't delete the owner role
                if ( is_owner_role ) can_delete = FALSE;
        }
        else
        {
                mRolesList->deselectAllItems();
                mAssignedMembersList->deleteAllItems();
                mAllowedActionsList->deleteAllItems();
                mRoleName->clear();
                mRoleDescription->clear();
                mRoleTitle->clear();
                setFooterEnabled(FALSE);

                can_delete = FALSE;
        }
        mSelectedRole = item->getUUID();
        buildMembersList();

        can_delete = can_delete && gAgent.hasPowerInGroup(mGroupID,
                                                                                                          GP_ROLE_DELETE);
        mDeleteRoleButton->setEnabled(can_delete);
}

void LLPanelGroupRolesSubTab::buildMembersList()
{
        mAssignedMembersList->deleteAllItems();

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) 
        {
                llwarns << "LLPanelGroupRolesSubTab::handleRoleSelect() "
                                << "-- No group data!" << llendl;
                return;
        }

        // Check if there is anything selected.
        LLScrollListItem* item = mRolesList->getFirstSelected();
        if (!item) return;

        if (item->getUUID().isNull())
        {
                // Special cased 'Everyone' role
                LLGroupMgrGroupData::member_iter mit = gdatap->mMembers.begin();
                LLGroupMgrGroupData::member_iter end = gdatap->mMembers.end();
                for ( ; mit != end; ++mit)
                {
                        mAssignedMembersList->addNameItem((*mit).first);
                }
        }
        else
        {
                LLGroupMgrGroupData::role_iter rit = gdatap->mRoles.find(item->getUUID());
                if (rit != gdatap->mRoles.end())
                {
                        LLGroupRoleData* rdatap = (*rit).second;
                        if (rdatap)
                        {
                                std::vector<LLUUID>::const_iterator mit = rdatap->getMembersBegin();
                                std::vector<LLUUID>::const_iterator end = rdatap->getMembersEnd();
                                for ( ; mit != end; ++mit)
                                {
                                        mAssignedMembersList->addNameItem((*mit));
                                }
                        }
                }
        }
}

// static
void LLPanelGroupRolesSubTab::onActionCheck(LLUICtrl* ctrl, void* user_data)
{
        LLPanelGroupRolesSubTab* self = static_cast<LLPanelGroupRolesSubTab*>(user_data);
        LLCheckBoxCtrl* check = static_cast<LLCheckBoxCtrl*>(ctrl);
        if (!check || !self) return;

        self->handleActionCheck(check);
}

struct ActionCBData
{
        LLPanelGroupRolesSubTab*        mSelf;
        LLCheckBoxCtrl*                         mCheck;
};

void LLPanelGroupRolesSubTab::handleActionCheck(LLCheckBoxCtrl* check, bool force)
{
        lldebugs << "LLPanelGroupRolesSubTab::handleActionSelect()" << llendl;

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) 
        {
                llwarns << "LLPanelGroupRolesSubTab::handleRoleSelect() "
                                << "-- No group data!" << llendl;
                return;
        }

        LLScrollListItem* action_item = mAllowedActionsList->getFirstSelected();
        if (!action_item)
        {
                return;
        }

        LLScrollListItem* role_item = mRolesList->getFirstSelected();
        if (!role_item)
        {
                return;
        }
        LLUUID role_id = role_item->getUUID();

        LLRoleAction* rap = (LLRoleAction*)action_item->getUserdata();
        U64 power = rap->mPowerBit;

        if (check->get())
        {
                if (!force && (    (GP_ROLE_ASSIGN_MEMBER == power)
                                                || (GP_ROLE_CHANGE_ACTIONS == power) ))
                {
                        // Uncheck the item, for now.  It will be
                        // checked if they click 'Yes', below.
                        check->set(FALSE);

                        LLRoleData rd;
                        LLStringBase<char>::format_map_t args;

                        if ( gdatap->getRoleData(role_id, rd) )
                        {
                                args["[ACTION_NAME]"] = rap->mDescription;
                                args["[ROLE_NAME]"] = rd.mRoleName;
                                struct ActionCBData* cb_data = new ActionCBData;
                                cb_data->mSelf = this;
                                cb_data->mCheck = check;
                                mHasModal = TRUE;
                                LLString warning = "AssignDangerousActionWarning";
                                if (GP_ROLE_CHANGE_ACTIONS == power)
                                {
                                        warning = "AssignDangerousAbilityWarning";
                                }
                                gViewerWindow->alertXml(warning, args, addActionCB, cb_data);
                        }
                        else
                        {
                                llwarns << "Unable to look up role information for role id: "
                                                << role_id << llendl;
                        }
                }
                else
                {
                        gdatap->addRolePower(role_id,power);
                }
        }
        else
        {
                gdatap->removeRolePower(role_id,power);
        }

        mHasRoleChange = TRUE;
        notifyObservers();
}

//static
void LLPanelGroupRolesSubTab::addActionCB(S32 option, void* data)
{
        struct ActionCBData* cb_data = (struct ActionCBData*) data;

        if (!cb_data || !cb_data->mSelf || !cb_data->mCheck) return;

        cb_data->mSelf->mHasModal = FALSE;

        if (0 == option)
        {
                // User clicked "Yes"
                cb_data->mCheck->set(TRUE);
                const bool force_add = true;
                cb_data->mSelf->handleActionCheck(cb_data->mCheck, force_add);
        }
}


// static
void LLPanelGroupRolesSubTab::onPropertiesKey(LLLineEditor* ctrl, void* user_data)
{
        LLPanelGroupRolesSubTab* self = static_cast<LLPanelGroupRolesSubTab*>(user_data);
        if (!self) return;

        self->mHasRoleChange = TRUE;
        self->notifyObservers();
}

// static 
void LLPanelGroupRolesSubTab::onDescriptionCommit(LLUICtrl* ctrl, void* user_data)
{
        LLPanelGroupRolesSubTab* self = static_cast<LLPanelGroupRolesSubTab*>(user_data);
        if (!self) return;

        self->mHasRoleChange = TRUE;
        self->notifyObservers();
}

// static 
void LLPanelGroupRolesSubTab::onMemberVisibilityChange(LLUICtrl* ctrl, void* user_data)
{
        LLPanelGroupRolesSubTab* self = static_cast<LLPanelGroupRolesSubTab*>(user_data);
        LLCheckBoxCtrl* check = static_cast<LLCheckBoxCtrl*>(ctrl);
        if (!check || !self) return;

        self->handleMemberVisibilityChange(check->get());
}

void LLPanelGroupRolesSubTab::handleMemberVisibilityChange(bool value)
{
        lldebugs << "LLPanelGroupRolesSubTab::handleMemberVisibilityChange()" << llendl;

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);
        if (!gdatap) 
        {
                llwarns << "LLPanelGroupRolesSubTab::handleRoleSelect() "
                                << "-- No group data!" << llendl;
                return;
        }

        LLScrollListItem* role_item = mRolesList->getFirstSelected();
        if (!role_item)
        {
                return;
        }

        if (value)
        {
                gdatap->addRolePower(role_item->getUUID(),GP_MEMBER_VISIBLE_IN_DIR);
        }
        else
        {
                gdatap->removeRolePower(role_item->getUUID(),GP_MEMBER_VISIBLE_IN_DIR);
        }
}

// static 
void LLPanelGroupRolesSubTab::onCreateRole(void* user_data)
{
        LLPanelGroupRolesSubTab* self = static_cast<LLPanelGroupRolesSubTab*>(user_data);
        if (!self) return;

        self->handleCreateRole();
}

void LLPanelGroupRolesSubTab::handleCreateRole()
{
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);

        if (!gdatap) return;

        LLUUID new_role_id;
        new_role_id.generate();

        LLRoleData rd;
        rd.mRoleName = "New Role";
        gdatap->createRole(new_role_id,rd);

        mRolesList->deselectAllItems(TRUE);
        LLSD row;
        row["id"] = new_role_id;
        row["columns"][0]["column"] = "name";
        row["columns"][0]["value"] = rd.mRoleName;
        mRolesList->addElement(row, ADD_BOTTOM, this);
        mRolesList->selectByID(new_role_id);

        // put focus on name field and select its contents
        if(mRoleName)
        {
                mRoleName->setFocus(TRUE);
                mRoleName->onTabInto();
                gFocusMgr.triggerFocusFlash();
        }

        notifyObservers();
}

// static 
void LLPanelGroupRolesSubTab::onDeleteRole(void* user_data)
{
        LLPanelGroupRolesSubTab* self = static_cast<LLPanelGroupRolesSubTab*>(user_data);
        if (!self) return;

        self->handleDeleteRole();
}

void LLPanelGroupRolesSubTab::handleDeleteRole()
{
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);

        if (!gdatap) return;

        LLScrollListItem* role_item = mRolesList->getFirstSelected();
        if (!role_item)
        {
                return;
        }

        if (role_item->getUUID().isNull() || role_item->getUUID() == gdatap->mOwnerRole)
        {
                LLString::format_map_t args;
                args["[MESSAGE]"] = mRemoveEveryoneTxt;
                LLNotifyBox::showXml("GenericNotify", args);
                return;
        }

        gdatap->deleteRole(role_item->getUUID());
        mRolesList->deleteSingleItem(mRolesList->getFirstSelectedIndex());
        mRolesList->selectFirstItem();

        notifyObservers();
}

void LLPanelGroupRolesSubTab::saveRoleChanges()
{
        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);

        if (!gdatap) return;

        if (mHasRoleChange)
        {
                LLRoleData rd;
                if (!gdatap->getRoleData(mSelectedRole,rd)) return;

                rd.mRoleName = mRoleName->getText();
                rd.mRoleDescription = mRoleDescription->getText();
                rd.mRoleTitle = mRoleTitle->getText();

                gdatap->setRoleData(mSelectedRole,rd);

                mRolesList->deleteSingleItem(mRolesList->getItemIndex(mSelectedRole));
                
                LLSD row = createRoleItem(mSelectedRole,rd.mRoleName,rd.mRoleTitle,0);
                LLScrollListItem* item = mRolesList->addElement(row, ADD_BOTTOM, this);
                item->setSelected(TRUE);

                mHasRoleChange = FALSE;
        }
}
// LLPanelGroupActionsSubTab

// static
void* LLPanelGroupActionsSubTab::createTab(void* data)
{
        LLUUID* group_id = static_cast<LLUUID*>(data);
        return new LLPanelGroupActionsSubTab("panel group actions sub tab", *group_id);
}

LLPanelGroupActionsSubTab::LLPanelGroupActionsSubTab(const std::string& name, const LLUUID& group_id)
: LLPanelGroupSubTab(name, group_id)
{
}

LLPanelGroupActionsSubTab::~LLPanelGroupActionsSubTab()
{
}

BOOL LLPanelGroupActionsSubTab::postBuildSubTab(LLView* root)
{
        // Upcast parent so we can ask it for sibling controls.
        LLPanelGroupRoles* parent = (LLPanelGroupRoles*) root;

        // Look recursively from the parent to find all our widgets.
        bool recurse = true;
        mHeader = (LLPanel*) parent->getChildByName("actions_header", recurse);
        mFooter = (LLPanel*) parent->getChildByName("actions_footer", recurse);

        mActionDescription = (LLTextEditor*) parent->getChildByName("action_description", recurse);

        mActionList = (LLScrollListCtrl*) parent->getChildByName("action_list",recurse);
        mActionRoles = (LLScrollListCtrl*) parent->getChildByName("action_roles",recurse);
        mActionMembers  = (LLNameListCtrl*) parent->getChildByName("action_members",recurse);

        if (!mActionList || !mActionDescription || !mActionRoles || !mActionMembers) return FALSE;

        mActionList->setCallbackUserData(this);
        mActionList->setCommitOnSelectionChange(TRUE);
        mActionList->setCommitCallback(onActionSelect);

        mActionMembers->setCallbackUserData(this);
        mActionRoles->setCallbackUserData(this);

        update(GC_ALL);

        return TRUE;
}

void LLPanelGroupActionsSubTab::activate()
{
        LLPanelGroupSubTab::activate();
        lldebugs << "LLPanelGroupActionsSubTab::activate()" << llendl;

        mActionList->deselectAllItems();
        mActionMembers->deleteAllItems();
        mActionRoles->deleteAllItems();
        mActionDescription->clear();
}

void LLPanelGroupActionsSubTab::deactivate()
{
        lldebugs << "LLPanelGroupActionsSubTab::deactivate()" << llendl;

        LLPanelGroupSubTab::deactivate();
}

bool LLPanelGroupActionsSubTab::needsApply(LLString& mesg)
{
        lldebugs << "LLPanelGroupActionsSubTab::needsApply()" << llendl;

        return false;
}

bool LLPanelGroupActionsSubTab::apply(LLString& mesg)
{
        lldebugs << "LLPanelGroupActionsSubTab::apply()" << llendl;
        return true;
}

void LLPanelGroupActionsSubTab::update(LLGroupChange gc)
{
        lldebugs << "LLPanelGroupActionsSubTab::update()" << llendl;

        if (mGroupID.isNull()) return;

        mActionList->deselectAllItems();
        mActionMembers->deleteAllItems();
        mActionRoles->deleteAllItems();
        mActionDescription->clear();

        mActionList->deleteAllItems();
        buildActionsList(mActionList,
                                         GP_ALL_POWERS,
                                         GP_ALL_POWERS,
                                         mActionIcons,
                                         NULL,
                                         FALSE,
                                         TRUE,
                                         FALSE);
}

// static 
void LLPanelGroupActionsSubTab::onActionSelect(LLUICtrl* scroll, void* data)
{
        LLPanelGroupActionsSubTab* self = static_cast<LLPanelGroupActionsSubTab*>(data);
        self->handleActionSelect();
}

void LLPanelGroupActionsSubTab::handleActionSelect()
{
        mActionMembers->deleteAllItems();
        mActionRoles->deleteAllItems();

        U64 power_mask = GP_NO_POWERS;
        std::vector<LLScrollListItem*> selection = 
                                                        mActionList->getAllSelected();
        if (selection.empty()) return;

        LLRoleAction* rap;

        std::vector<LLScrollListItem*>::iterator itor;
        for (itor = selection.begin() ; 
                 itor != selection.end(); ++itor)
        {
                rap = (LLRoleAction*)( (*itor)->getUserdata() );
                power_mask |= rap->mPowerBit;
        }

        if (selection.size() == 1)
        {
                LLScrollListItem* item = selection[0];
                rap = (LLRoleAction*)(item->getUserdata());

                if (rap->mLongDescription.empty())
                {
                        mActionDescription->setText(rap->mDescription);
                }
                else
                {
                        mActionDescription->setText(rap->mLongDescription);
                }
        }
        else
        {
                mActionDescription->clear();
        }

        LLGroupMgrGroupData* gdatap = gGroupMgr->getGroupData(mGroupID);

        if (!gdatap) return;

        if (gdatap->isMemberDataComplete())
        {
                LLGroupMgrGroupData::member_iter it = gdatap->mMembers.begin();
                LLGroupMgrGroupData::member_iter end = gdatap->mMembers.end();
                LLGroupMemberData* gmd;

                for ( ; it != end; ++it)
                {
                        gmd = (*it).second;
                        if (!gmd) continue;
                        if ((gmd->getAgentPowers() & power_mask) == power_mask)
                        {
                                mActionMembers->addNameItem(gmd->getID());
                        }
                }
        }
        else
        {
                gGroupMgr->sendGroupMembersRequest(mGroupID);
        }

        if (gdatap->isRoleDataComplete())
        {
                LLGroupMgrGroupData::role_iter it = gdatap->mRoles.begin();
                LLGroupMgrGroupData::role_iter end = gdatap->mRoles.end();
                LLGroupRoleData* rmd;

                for ( ; it != end; ++it)
                {
                        rmd = (*it).second;
                        if (!rmd) continue;
                        if ((rmd->getRoleData().mRolePowers & power_mask) == power_mask)
                        {
                                mActionRoles->addSimpleItem(rmd->getRoleData().mRoleName);
                        }
                }
        }
        else
        {
                gGroupMgr->sendGroupRoleDataRequest(mGroupID);
        }
}

---