/*  Starshatter: The Open Source Project
    Copyright (c) 2021-2024, Starshatter: The Open Source Project Contributors
    Copyright (c) 2011-2012, Starshatter OpenSource Distribution Contributors
    Copyright (c) 1997-2006, Destroyer Studios LLC.

    AUTHOR:       John DiCamillo


    OVERVIEW
    ========
*/

#include "NavDlg.h"
#include "MapView.h"
#include "MsnElemDlg.h"
#include "BaseScreen.h"
#include "Element.h"
#include "Ship.h"
#include "ShipDesign.h"
#include "Sim.h"
#include "Galaxy.h"
#include "StarSystem.h"
#include "Instruction.h"
#include "NavSystem.h"
#include "FormatUtil.h"
#include "Campaign.h"
#include "Contact.h"
#include "Mission.h"

#include "Clock.h"
#include "ContentBundle.h"
#include "Keyboard.h"
#include "Mouse.h"
#include "ListBox.h"

// +--------------------------------------------------------------------+
// DECLARE MAPPING FUNCTIONS:
DEF_MAP_CLIENT(NavDlg, OnView);
DEF_MAP_CLIENT(NavDlg, OnFilter);
DEF_MAP_CLIENT(NavDlg, OnSelect);
DEF_MAP_CLIENT(NavDlg, OnCommit);
DEF_MAP_CLIENT(NavDlg, OnCancel);
DEF_MAP_CLIENT(NavDlg, OnEngage);
DEF_MAP_CLIENT(NavDlg, OnMapDown);
DEF_MAP_CLIENT(NavDlg, OnMapMove);
DEF_MAP_CLIENT(NavDlg, OnMapClick);
DEF_MAP_CLIENT(NavDlg, OnClose);

// +--------------------------------------------------------------------+

static char*   filter_name[] = {
    "SYSTEM",   "PLANET",
    "SECTOR",   "STATION",
    "STARSHIP", "FIGHTER"
};

static char*   commit_name = "Commit";
static char*   cancel_name = "Cancel";

static Color   commit_color(53,159,67);
static Color   cancel_color(160,8,8);


// Supported Selection Modes:

const int SELECT_NONE      = -1;
const int SELECT_SYSTEM    =  0;
const int SELECT_PLANET    =  1;
const int SELECT_REGION    =  2;
const int SELECT_STATION   =  3;
const int SELECT_STARSHIP  =  4;
const int SELECT_FIGHTER   =  5;

const int VIEW_GALAXY      =  0;
const int VIEW_SYSTEM      =  1;
const int VIEW_REGION      =  2;

// +--------------------------------------------------------------------+

NavDlg::NavDlg(Screen* s, FormDef& def, BaseScreen* mgr)
: FormWindow(s, 0, 0, s->Width(), s->Height()), manager(mgr),
loc_labels(0), dst_labels(0), loc_data(0),   dst_data(0),
seln_list(0), info_list(0), seln_mode(SELECT_REGION),
nav_edit_mode(NAV_EDIT_NONE), star_map(0), map_win(0),
star_system(0), ship(0), mission(0), editor(false)
{
    Init(def);
}

NavDlg::~NavDlg()
{ }

void
NavDlg::RegisterControls()
{
    int i;

    map_win = FindControl(100);

    if (map_win) {
        star_map = new MapView(map_win);

        REGISTER_CLIENT(EID_LBUTTON_DOWN, map_win, NavDlg, OnMapDown);
        REGISTER_CLIENT(EID_MOUSE_MOVE,   map_win, NavDlg, OnMapMove);
        REGISTER_CLIENT(EID_MAP_CLICK,    map_win, NavDlg, OnMapClick);
    }

    for (i = 0; i < 3; i++) {
        view_btn[i] = (Button*) FindControl(101 + i);
        REGISTER_CLIENT(EID_CLICK, view_btn[i], NavDlg, OnView);
    }

    close_btn    = (Button*) FindControl(2);

    if (close_btn)
    REGISTER_CLIENT(EID_CLICK,    close_btn, NavDlg, OnClose);

    zoom_in_btn  = (Button*) FindControl(110);
    zoom_out_btn = (Button*) FindControl(111);

    for (i = 0; i < 6; i++) {
        filter_btn[i] = (Button*) FindControl(401 + i);
        REGISTER_CLIENT(EID_CLICK, filter_btn[i], NavDlg, OnFilter);
    }

    commit_btn = (Button*) FindControl(1);

    if (commit_btn) {
        REGISTER_CLIENT(EID_CLICK, commit_btn, NavDlg, OnEngage);
    }

    loc_labels = FindControl(601);
    dst_labels = FindControl(602);
    loc_data   = FindControl(701);
    dst_data   = FindControl(702);

    seln_list  = (ListBox*) FindControl(801);

    if (seln_list) {
        seln_list->SetSelectedStyle(ListBox::LIST_ITEM_STYLE_FILLED_BOX);
        REGISTER_CLIENT(EID_SELECT, seln_list, NavDlg, OnSelect);
    }

    info_list  = (ListBox*) FindControl(802);

    if (star_map) {
        star_map->SetViewMode(VIEW_SYSTEM);
        view_btn[1]->SetButtonState(1);

        star_map->SetSelectionMode(2);
    }

    UpdateSelection();
}

// +--------------------------------------------------------------------+

void
NavDlg::SetSystem(StarSystem* s)
{
    if (star_system == s)
    return;

    star_system = s;

    if (star_map) {
        Campaign* c    = Campaign::GetCampaign();
        Sim*      sim  = Sim::GetSim();

        if (sim && sim->GetSystemList().size()) {
            star_map->SetGalaxy(sim->GetSystemList());
        }
        else if (mission && mission->GetSystemList().size()) {
            star_map->SetGalaxy(mission->GetSystemList());
        }
        else if (c && c->GetSystemList().size()) {
            star_map->SetGalaxy(c->GetSystemList());
        }
        else {
            Galaxy* g = Galaxy::GetInstance();
            if (g)
            star_map->SetGalaxy(g->GetSystemList());
        }

        star_map->SetSystem(s);
    }

    // flush old object pointers:
    stars.clear();
    planets.clear();
    regions.clear();
    contacts.clear();

    if (star_system) {
        // insert objects from star system:
        ListIter<OrbitalBody> star = star_system->Bodies();
        while (++star) {
            switch (star->Type()) {
            case Orbital::STAR:     stars.append(star.value());
                break;
            case Orbital::PLANET:
            case Orbital::MOON:     planets.append(star.value());
                break;
            }

            ListIter<OrbitalBody> planet = star->Satellites();
            while (++planet) {
                planets.append(planet.value());

                ListIter<OrbitalBody> moon = planet->Satellites();
                while (++moon) {
                    planets.append(moon.value());
                }
            }
        }

        ListIter<OrbitalRegion> rgn = star_system->AllRegions();
        while (++rgn)
        regions.append(rgn.value());
    }

    // sort region list by distance from the star:
    regions.sort();
}

// +--------------------------------------------------------------------+

void
NavDlg::SetShip(Ship* s)
{
    if (ship == s)
    return;

    ship = s;

    if (ship)
    SetSystem(ship->GetRegion()->System());

    if (star_map) {
        Sim* sim = Sim::GetSim();

        if (sim && sim->GetSystemList().size())
        star_map->SetGalaxy(sim->GetSystemList());

        star_map->SetShip(ship);

        if (ship) {
            star_map->SetRegion(ship->GetRegion()->GetOrbitalRegion());
            UseViewMode(VIEW_REGION);
            star_map->SetSelectedShip(ship);
        }
    }

    for (int i = 0; i < 6; i++)
    filter_btn[i]->SetButtonState(0);

    filter_btn[SELECT_REGION]->SetButtonState(1);
    UseFilter(SELECT_STARSHIP);
    UpdateSelection();
}

// +--------------------------------------------------------------------+

void
NavDlg::SetMission(Mission* m)
{
    if (!m && mission == m)
    return;

    if (mission == m && star_system == m->GetStarSystem())
    return;

    mission = m;

    if (mission) {
        SetSystem(mission->GetStarSystem());
    }

    if (star_map) {
        Campaign* c    = Campaign::GetCampaign();
        Sim*      sim  = Sim::GetSim();

        star_map->SetMission(0);   // prevent building map menu twice

        if (sim && sim->GetSystemList().size()) {
            star_map->SetGalaxy(sim->GetSystemList());
        }
        else if (mission && mission->GetSystemList().size()) {
            star_map->SetGalaxy(mission->GetSystemList());
        }
        else if (c && c->GetSystemList().size()) {
            star_map->SetGalaxy(c->GetSystemList());
        }
        else {
            Galaxy* g = Galaxy::GetInstance();
            if (g)
            star_map->SetGalaxy(g->GetSystemList());
        }

        if (mission) {
            star_map->SetMission(mission);
            star_map->SetRegionByName(mission->GetRegion());

            if (star_map->GetViewMode() == VIEW_REGION) {
                ListIter<MissionElement> elem = mission->GetElements();
                while (++elem) {
                    MissionElement* e = elem.value();

                    if (e->Player())
                    star_map->SetSelectedElem(e);
                }
            }
        }
    }

    bool updated = false;

    if (mission) {
        Orbital* rgn = 0;
        rgn = mission->GetStarSystem()->FindOrbital(mission->GetRegion());

        if (rgn) {
            SelectRegion((OrbitalRegion*) rgn);
            updated = true;
        }
    }

    if (!updated)
    UpdateSelection();
}

// +--------------------------------------------------------------------+

void
NavDlg::SetEditorMode(bool e)
{
    editor = e;

    if (star_map)
    star_map->SetEditorMode(editor);
}

// +--------------------------------------------------------------------+

void
NavDlg::ExecFrame()
{
    Sim* sim = Sim::GetSim();

    if (loc_labels && ship) {
        char loc_buf[512];
        char x[16];
        char y[16];
        char z[16];
        char d[16];

        FormatNumber(x, -ship->Location().x);
        FormatNumber(y,  ship->Location().z);
        FormatNumber(z,  ship->Location().y);

        strcpy_s(loc_buf, ContentBundle::GetInstance()->GetText("NavDlg.loc-labels").data());
        loc_labels->SetText(loc_buf);

        if (sim->GetActiveRegion()) {
            sprintf_s(loc_buf, "\n%s\n%s\n%s, %s, %s",
            (const char*)  star_system->Name(),
            (const char*)  sim->GetActiveRegion()->Name(),
            x, y, z);

        }
        else {
            sprintf_s(loc_buf, "\n%s\nPlanck Space?\n%s, %s, %s",
            (const char*)  star_system->Name(), x, y, z);
        }

        loc_data->SetText(loc_buf);

        if (ship) {
            NavSystem* navsys = ship->GetNavSystem();

            if (ship->GetNextNavPoint() == 0 || !navsys) {
                commit_btn->SetText(ContentBundle::GetInstance()->GetText("NavDlg.commit"));
                commit_btn->SetBackColor(commit_color);
                commit_btn->SetEnabled(false);
            }
            else if (navsys) {
                commit_btn->SetEnabled(true);

                if (navsys->AutoNavEngaged()) {
                    commit_btn->SetText(ContentBundle::GetInstance()->GetText("NavDlg.cancel"));
                    commit_btn->SetBackColor(cancel_color);
                }
                else {
                    commit_btn->SetText(ContentBundle::GetInstance()->GetText("NavDlg.commit"));
                    commit_btn->SetBackColor(commit_color);
                }
            }
        }

        if (dst_labels) {
            Instruction* navpt = ship->GetNextNavPoint();

            if (navpt && navpt->Region()) {
                FormatNumber(x, navpt->Location().x);
                FormatNumber(y, navpt->Location().y);
                FormatNumber(z, navpt->Location().z);

                double distance = 0;
                Point npt = navpt->Region()->Location() + navpt->Location();
                if (sim->GetActiveRegion())
                npt -= sim->GetActiveRegion()->Location();

                npt = npt.OtherHand();

                // distance from self to navpt:
                distance = Point(npt - ship->Location()).length();
                FormatNumber(d, distance);

                strcpy_s(loc_buf, ContentBundle::GetInstance()->GetText("NavDlg.dst-labels").data());
                dst_labels->SetText(loc_buf);

                sprintf_s(loc_buf, "\n%s\n%s\n%s, %s, %s\n%s",
                (const char*)  star_system->Name(),
                (const char*)  navpt->Region()->Name(),
                x, y, z, d);
                dst_data->SetText(loc_buf);
            }
            else {
                dst_labels->SetText(ContentBundle::GetInstance()->GetText("NavDlg.destination"));
                dst_data->SetText(ContentBundle::GetInstance()->GetText("NavDlg.not-avail"));
            }
        }
    }

    UpdateSelection();
    UpdateLists();

    if (Keyboard::KeyDown(VK_ADD) ||
            (zoom_in_btn && zoom_in_btn->GetButtonState() > 0)) {
        star_map->ZoomIn();
    }
    else if (Keyboard::KeyDown(VK_SUBTRACT) ||
            (zoom_out_btn && zoom_out_btn->GetButtonState() > 0)) {
        star_map->ZoomOut();
    }

    else if (star_map->TargetRect().Contains(Mouse::X(),Mouse::Y())) {

        if (Mouse::Wheel() > 0) {
            star_map->ZoomIn();
            star_map->ZoomIn();
            star_map->ZoomIn();
        }

        else if (Mouse::Wheel() < 0) {
            star_map->ZoomOut();
            star_map->ZoomOut();
            star_map->ZoomOut();
        }
    }

    if (nav_edit_mode == NAV_EDIT_NONE)
    Mouse::SetCursor(Mouse::ARROW);
    else
    Mouse::SetCursor(Mouse::CROSS);
}

// +--------------------------------------------------------------------+

void
NavDlg::OnView(AWEvent* event)
{
    int use_filter_mode = -1;

    view_btn[VIEW_GALAXY]->SetButtonState(0);
    view_btn[VIEW_SYSTEM]->SetButtonState(0);
    view_btn[VIEW_REGION]->SetButtonState(0);

    if (view_btn[0] == event->window) {
        star_map->SetViewMode(VIEW_GALAXY);
        view_btn[VIEW_GALAXY]->SetButtonState(1);
        use_filter_mode = SELECT_SYSTEM;
    }

    else if (view_btn[VIEW_SYSTEM] == event->window) {
        star_map->SetViewMode(VIEW_SYSTEM);
        view_btn[VIEW_SYSTEM]->SetButtonState(1);
        use_filter_mode = SELECT_REGION;
    }

    else if (view_btn[VIEW_REGION] == event->window) {
        star_map->SetViewMode(VIEW_REGION);
        view_btn[VIEW_REGION]->SetButtonState(1);
        use_filter_mode = SELECT_STARSHIP;
    }

    if (use_filter_mode >= 0) {
        for (int i = 0; i < 6; i++) {
            if (i == use_filter_mode)
            filter_btn[i]->SetButtonState(1);
            else
            filter_btn[i]->SetButtonState(0);
        }

        UseFilter(use_filter_mode);
    }
}

// +--------------------------------------------------------------------+

void
NavDlg::OnFilter(AWEvent* event)
{
    int filter_index = -1;
    for (int i = 0; i < 6; i++) {
        if (filter_btn[i] == event->window) {
            filter_index = i;
            filter_btn[i]->SetButtonState(1);
        }
        else {
            filter_btn[i]->SetButtonState(0);
        }
    }

    if (filter_index >= 0)
    UseFilter(filter_index);
}

void
NavDlg::UseFilter(int filter_index)
{
    seln_mode = filter_index;

    star_map->SetSelectionMode(seln_mode);
    UpdateSelection();
    UpdateLists();
}

// +--------------------------------------------------------------------+

void
NavDlg::UseViewMode(int mode)
{
    if (mode >= 0 && mode < 3) {
        int use_filter_mode = -1;

        view_btn[VIEW_GALAXY]->SetButtonState(0);
        view_btn[VIEW_SYSTEM]->SetButtonState(0);
        view_btn[VIEW_REGION]->SetButtonState(0);

        if (mode == 0) {
            star_map->SetViewMode(VIEW_GALAXY);
            view_btn[VIEW_GALAXY]->SetButtonState(1);
            use_filter_mode = SELECT_SYSTEM;
        }

        else if (mode == 1) {
            star_map->SetViewMode(VIEW_SYSTEM);
            view_btn[VIEW_SYSTEM]->SetButtonState(1);
            use_filter_mode = SELECT_REGION;
        }

        else if (mode == 2) {
            star_map->SetViewMode(VIEW_REGION);
            view_btn[VIEW_REGION]->SetButtonState(1);
            use_filter_mode = SELECT_STARSHIP;
        }

        if (use_filter_mode >= 0) {
            for (int i = 0; i < 6; i++) {
                filter_btn[i]->SetButtonState(i == use_filter_mode);
            }

            UseFilter(use_filter_mode);
        }
    }
}

void
NavDlg::SelectStar(Orbital* star)
{
    UseViewMode(0);

    if (stars.size()) {
        int sel = 0;

        ListIter<Orbital> iter = stars;
        while (++iter) {
            if (iter.value() == star) {
                int old_seln_mode = seln_mode;
                UseFilter(SELECT_SYSTEM);
                SelectObject(sel);
                UseFilter(old_seln_mode);
                return;
            }

            sel++;
        }
    }
}

void
NavDlg::SelectPlanet(Orbital* planet)
{
    UseViewMode(1);

    if (planets.size()) {
        int sel = 0;

        ListIter<Orbital> iter = planets;
        while (++iter) {
            if (iter.value() == planet) {
                int old_seln_mode = seln_mode;
                UseFilter(SELECT_PLANET);
                SelectObject(sel);
                UseFilter(old_seln_mode);
                return;
            }

            sel++;
        }
    }
}

void
NavDlg::SelectRegion(OrbitalRegion* rgn)
{
    UseViewMode(2);

    if (regions.size()) {
        int sel = 0;

        ListIter<OrbitalRegion> iter = regions;
        while (++iter) {
            if (iter.value() == rgn) {
                int old_seln_mode = seln_mode;
                UseFilter(SELECT_REGION);
                SelectObject(sel);
                UseFilter(old_seln_mode);
                return;
            }

            sel++;
        }
    }
}

// +--------------------------------------------------------------------+

void
NavDlg::OnSelect(AWEvent* event)
{
    int   index = -1;

    for (int i = 0; i < seln_list->NumItems(); i++)
    if (seln_list->IsSelected(i))
    index = i;

    if (index >= 0)
    SelectObject(index);
}

// +--------------------------------------------------------------------+

void
NavDlg::SelectObject(int index)
{
    Text selected  = seln_list->GetItemText(index);
    int  selection = seln_list->GetItemData(index);

    star_map->SetSelection(selection);
    SetSystem(star_map->GetSystem());
}

// +--------------------------------------------------------------------+

void
NavDlg::UpdateSelection()
{
    if (!info_list)
    return;

    if (!star_map)
    return;

    info_list->ClearItems();

    Text units_km     = Text(" ") + ContentBundle::GetInstance()->GetText("NavDlg.units.kilometers");
    Text units_tonnes = Text(" ") + ContentBundle::GetInstance()->GetText("NavDlg.units.tonnes");

    if (seln_mode <= SELECT_REGION) {
        Orbital* s = star_map->GetSelection();

        if (s) {
            char radius[32];
            char mass[32];
            char orbit[32];
            char period[32];
            char units[32];

            double p = s->Period();

            if (p < 60) {
                sprintf_s(units, " %s", ContentBundle::GetInstance()->GetText("NavDlg.units.seconds").data());
            }
            else if (p < 3600) {
                p /= 60;
                sprintf_s(units, " %s", ContentBundle::GetInstance()->GetText("NavDlg.units.minutes").data());
            }
            else if (p < 24 * 3600) {
                p /= 3600;
                sprintf_s(units, " %s", ContentBundle::GetInstance()->GetText("NavDlg.units.hours").data());
            }
            else if (p < 365.25 * 24 * 3600) {
                p /= 24*3600;
                sprintf_s(units, " %s", ContentBundle::GetInstance()->GetText("NavDlg.units.days").data());
            }
            else {
                p /= 365.25*24*3600;
                sprintf_s(units, " %s", ContentBundle::GetInstance()->GetText("NavDlg.units.years").data());
            }

            FormatNumberExp(radius, s->Radius()/1000);
            FormatNumberExp(mass,   s->Mass()/1000);
            FormatNumberExp(orbit,  s->Orbit()/1000);
            FormatNumberExp(period, p);

            strcat_s(radius, units_km.data());
            strcat_s(mass,   units_tonnes.data());
            strcat_s(orbit,  units_km.data());
            strcat_s(period, units);

            if (seln_mode >= SELECT_SYSTEM) {
                info_list->AddItem(ContentBundle::GetInstance()->GetText(Text("NavDlg.filter.") + filter_name[seln_mode]));
                info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.radius"));
                if (s->Mass() > 0)
                info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.mass"));
                info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.orbit"));
                info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.period"));

                int row = 0;
                info_list->SetItemText(row++, 1, s->Name());
                info_list->SetItemText(row++, 1, radius);
                if (s->Mass() > 0)
                info_list->SetItemText(row++, 1, mass);
                info_list->SetItemText(row++, 1, orbit);
                info_list->SetItemText(row++, 1, period);
            }
        }
    }

    else if (seln_mode == SELECT_STATION  ||
            seln_mode == SELECT_STARSHIP ||
            seln_mode == SELECT_FIGHTER) {

        Ship*           sel_ship = star_map->GetSelectedShip();
        MissionElement* sel_elem = star_map->GetSelectedElem();

        if (sel_ship) {
            Text order_desc = ContentBundle::GetInstance()->GetText("NavDlg.none");
            char shield[16];
            char hull[16];
            char range[32];

            sprintf_s(shield, "%03d", sel_ship->ShieldStrength());
            sprintf_s(hull,   "%03d", sel_ship->HullStrength());
            sprintf_s(range,  "%s",  ContentBundle::GetInstance()->GetText("NavDlg.not-avail").data());

            if (ship) {
                FormatNumberExp(range, Point(sel_ship->Location()-ship->Location()).length()/1000);
                strcat_s(range, units_km.data());
            }

            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.name"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.class"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.sector"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.shield"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.hull"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.range"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.orders"));

            int row = 0;
            info_list->SetItemText(row++, 1, sel_ship->Name());
            info_list->SetItemText(row++, 1, Text(sel_ship->Abbreviation()) + Text(" ") + Text(sel_ship->Design()->display_name));
            info_list->SetItemText(row++, 1, sel_ship->GetRegion()->Name());
            info_list->SetItemText(row++, 1, shield);
            info_list->SetItemText(row++, 1, hull);
            info_list->SetItemText(row++, 1, range);
            info_list->SetItemText(row++, 1, order_desc);
        }

        else if (sel_elem) {
            Text order_desc = ContentBundle::GetInstance()->GetText("NavDlg.none");
            char range[32];

            MissionElement* self = mission->GetElements()[0];
            if (self)
            FormatNumberExp(range, Point(sel_elem->Location()-self->Location()).length()/1000);
            else
            strcpy_s(range, "0");

            strcat_s(range, units_km.data());

            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.name"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.class"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.sector"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.range"));
            info_list->AddItem(ContentBundle::GetInstance()->GetText("NavDlg.orders"));

            int row = 0;
            info_list->SetItemText(row++, 1, sel_elem->Name());

            if (sel_elem->GetDesign())
            info_list->SetItemText(row++, 1, sel_elem->Abbreviation() + Text(" ") + sel_elem->GetDesign()->name);
            else
            info_list->SetItemText(row++, 1, ContentBundle::GetInstance()->GetText("NavDlg.unknown"));

            info_list->SetItemText(row++, 1, sel_elem->Region());
            info_list->SetItemText(row++, 1, range);
            info_list->SetItemText(row++, 1, order_desc);
        }
    }
}

// +--------------------------------------------------------------------+

void
NavDlg::UpdateLists()
{
    if (!seln_list)
    return;

    int seln_index = -1;
    int top_index  = -1;

    if (seln_list->IsSelecting())
    seln_index = seln_list->GetListIndex();

    top_index = seln_list->GetTopIndex();

    seln_list->ClearItems();

    switch (seln_mode) {
    case SELECT_SYSTEM:
        {
            seln_list->SetColumnTitle(0, ContentBundle::GetInstance()->GetText(Text("NavDlg.filter.") + filter_name[seln_mode]));
            int i = 0;
            ListIter<StarSystem> iter = star_map->GetGalaxy();
            while (++iter)
            seln_list->AddItemWithData(iter->Name(), i++);
        }
        break;

    case SELECT_PLANET:
        {
            seln_list->SetColumnTitle(0, ContentBundle::GetInstance()->GetText(Text("NavDlg.filter.") + filter_name[seln_mode]));
            int i = 0;
            ListIter<Orbital> iter = planets;
            while (++iter) {
                if (iter->Type() == Orbital::MOON)
                seln_list->AddItemWithData(Text("- ") + Text(iter->Name()), i++);
                else
                seln_list->AddItemWithData(iter->Name(), i++);
            }
        }
        break;

    case SELECT_REGION:
        {
            seln_list->SetColumnTitle(0, ContentBundle::GetInstance()->GetText(Text("NavDlg.filter.") + filter_name[seln_mode]));
            int i = 0;
            ListIter<OrbitalRegion> iter = regions;
            while (++iter) {
                seln_list->AddItemWithData(iter->Name(), i++);
            }
        }
        break;

    case SELECT_STATION:
    case SELECT_STARSHIP:
    case SELECT_FIGHTER:
        {
            seln_list->SetColumnTitle(0, ContentBundle::GetInstance()->GetText(Text("NavDlg.filter.") + filter_name[seln_mode]));
            int i = 0;

            if (mission) {
                ListIter<MissionElement> elem = mission->GetElements();
                while (++elem) {
                    MissionElement* e = elem.value();
                    bool filter_ok =
                    (seln_mode == SELECT_STATION  && e->IsStatic())                      ||
                    (seln_mode == SELECT_STARSHIP && e->IsStarship() && !e->IsStatic())  ||
                    (seln_mode == SELECT_FIGHTER  && e->IsDropship() && !e->IsSquadron());

                    if (filter_ok) {
                        bool visible = editor                           ||
                        e->GetIFF() == 0                 ||
                        e->GetIFF() == mission->Team()   ||
                        e->IntelLevel() > Intel::KNOWN;

                        if (visible)
                        seln_list->AddItemWithData(e->Name(), e->Identity());
                    }
                }
            }

            else if (ship) {
                Sim* sim = Sim::GetSim();
                ListIter<SimRegion> r_iter = sim->GetRegions();
                while (++r_iter) {
                    SimRegion* rgn = r_iter.value();

                    ListIter<Ship> s_iter = rgn->Ships();
                    while (++s_iter) {
                        Ship* s = s_iter.value();
                        bool filter_ok =
                        (seln_mode == SELECT_STATION  && s->IsStatic())                      ||
                        (seln_mode == SELECT_STARSHIP && s->IsStarship() && !s->IsStatic())  ||
                        (seln_mode == SELECT_FIGHTER  && s->IsDropship());


                        if (filter_ok) {
                            bool visible = s->GetIFF() == 0 ||
                            s->GetIFF() == ship->GetIFF() ||
                            s->GetElement() &&
                            s->GetElement()->IntelLevel() > Intel::KNOWN;

                            if (visible)
                            seln_list->AddItemWithData(s->Name(), s->Identity());
                        }
                    }
                }
            }
        }
        break;

    default:
        break;
    }

    if (top_index >= 0)
    seln_list->ScrollTo(top_index);

    if (seln_index >= 0)
    seln_list->SetSelected(seln_index);

    else
    CoordinateSelection();
}

// +--------------------------------------------------------------------+

void
NavDlg::OnEngage(AWEvent* event)
{
    bool hide = false;

    if (ship) {
        NavSystem* navsys = ship->GetNavSystem();
        if (navsys) {
            if (navsys->AutoNavEngaged()) {
                navsys->DisengageAutoNav();
                commit_btn->SetText(ContentBundle::GetInstance()->GetText("NavDlg.commit"));
                commit_btn->SetBackColor(commit_color);
            }
            else {
                navsys->EngageAutoNav();
                commit_btn->SetText(ContentBundle::GetInstance()->GetText("NavDlg.cancel"));
                commit_btn->SetBackColor(cancel_color);
                hide = true;
            }

            Sim* sim = Sim::GetSim();
            if (sim)
            ship->SetControls(sim->GetControls());
        }
    }

    if (manager && hide)
    manager->ShowNavDlg();   // also hides
}

// +--------------------------------------------------------------------+

void
NavDlg::OnCommit(AWEvent* event)
{
    if (manager)
    manager->ShowNavDlg();   // also hides
}


// +--------------------------------------------------------------------+

void
NavDlg::OnCancel(AWEvent* event)
{
    if (manager)
    manager->ShowNavDlg();   // also hides
}

// +--------------------------------------------------------------------+

void
NavDlg::SetNavEditMode(int mode)
{
    if (nav_edit_mode != mode) {
        if (mode != NAV_EDIT_NONE) {
            int map_mode = star_map->GetSelectionMode();
            if (map_mode != -1)
            seln_mode = map_mode;

            star_map->SetSelectionMode(-1);
        }
        else {
            star_map->SetSelectionMode(seln_mode);
        }

        nav_edit_mode = mode;
    }
}

int
NavDlg::GetNavEditMode()
{
    return nav_edit_mode;
}

void
NavDlg::OnMapDown(AWEvent* event)
{
}

void
NavDlg::OnMapMove(AWEvent* event)
{
}

void
NavDlg::OnMapClick(AWEvent* event)
{
    static DWORD click_time = 0;

    SetSystem(star_map->GetSystem());
    CoordinateSelection();

    // double-click:
    if (Clock::GetInstance()->RealTime() - click_time < 350) {
        MissionElement* elem          = star_map->GetSelectedElem();
        MsnElemDlg*     msn_elem_dlg  = manager->GetMsnElemDlg();

        if (elem && msn_elem_dlg) {
            msn_elem_dlg->SetMission(mission);
            msn_elem_dlg->SetMissionElement(elem);
            manager->ShowMsnElemDlg();
        }
    }

    click_time = Clock::GetInstance()->RealTime();
}

void
NavDlg::CoordinateSelection()
{
    if (!seln_list || !star_map)
    return;

    switch (seln_mode) {
    default:
    case SELECT_SYSTEM:
    case SELECT_PLANET:
    case SELECT_REGION:
        {
            seln_list->ClearSelection();

            Orbital* selected = star_map->GetSelection();

            if (selected) {
                for (int i = 0; i < seln_list->NumItems(); i++) {
                    if (seln_list->GetItemText(i) == selected->Name() ||
                            seln_list->GetItemText(i) == Text("- ") + selected->Name()) {
                        seln_list->SetSelected(i, true);
                    }
                }
            }
        }
        break;

    case SELECT_STATION:
    case SELECT_STARSHIP:
    case SELECT_FIGHTER:
        {
            seln_list->ClearSelection();

            Ship*             selected = star_map->GetSelectedShip();
            MissionElement*   elem     = star_map->GetSelectedElem();

            if (selected) {
                for (int i = 0; i < seln_list->NumItems(); i++) {
                    if (seln_list->GetItemText(i) == selected->Name()) {
                        seln_list->SetSelected(i, true);
                    }
                }
            }

            else if (elem) {
                for (int i = 0; i < seln_list->NumItems(); i++) {
                    if (seln_list->GetItemText(i) == elem->Name()) {
                        seln_list->SetSelected(i, true);
                    }
                }
            }
        }
        break;
    }
}

// +--------------------------------------------------------------------+

void
NavDlg::OnClose(AWEvent* event)
{
    if (manager)
    manager->HideNavDlg();
}