#include "frmmain.h"
#include "ui_frmmain.h"
#include "quihelper.h"
#include "appinit.h"
#include "framelesshelper.h"

#include "frmview.h"
#include "frmdata.h"
#include "frmconfig.h"

frmMain::frmMain(QWidget *parent) : QWidget(parent), ui(new Ui::frmMain)
{
    ui->setupUi(this);
    this->initForm();
    this->initText();
    this->initNav();
    this->initIcon();
    this->initAction();
    QUIHelper::setFormInCenter(this);
    //on_btnMenu_Max_clicked();
}

frmMain::~frmMain()
{
    delete ui;
}

bool frmMain::eventFilter(QObject *watched, QEvent *event)
{
    if (event->type() == QEvent::MouseButtonDblClick) {
        //双击标题栏最大化
        if (watched == ui->widgetTop) {
            on_btnMenu_Max_clicked();
        }
    }

    return QWidget::eventFilter(watched, event);
}

void frmMain::initForm()
{
    ui->widgetBtn->setProperty("flag", "btnNavTop");
    ui->widgetMain->setProperty("form", true);
    ui->widgetTop->setProperty("form", "title");
    ui->widgetTop->setFixedHeight(80);
    ui->bottomWidget->setFixedHeight(25);

    //设置无边框
    QUIHelper::setFramelessForm(this);
    ui->widgetTop->installEventFilter(this);
    ui->labLogoBg->installEventFilter(this);

    //设置右上角菜单,图形字体
    IconHelper::setIcon(ui->btnMenu_Min, QUIConfig::IconMin);
    IconHelper::setIcon(ui->btnMenu_Max, QUIConfig::IconNormal);
    IconHelper::setIcon(ui->btnMenu_Close, QUIConfig::IconClose, QUIConfig::FontSize + 2);

    //无边框可拉伸类
    frameless = new FramelessHelper(this);
    //激活当前窗体
    frameless->activateOn(this);
    //设置窗体的标题栏高度
    frameless->setTitleHeight(ui->widgetTop->height());
    //设置窗体可移动
    frameless->setWidgetMovable(true);
    //设置窗体可缩放
    frameless->setWidgetResizable(true);

    //设置底部状态栏
    ui->bottomWidget->setVersion("V20211010");
    ui->bottomWidget->setCurrentUserName("刘典武");
    ui->bottomWidget->setCurrentUserType("管理员");
    ui->bottomWidget->setFontName(QUIConfig::FontName);
    int fontSize = (QUIConfig::FontSize > 12 ? QUIConfig::FontSize - 1 : QUIConfig::FontSize);
    ui->bottomWidget->setFontSize(fontSize);
    ui->bottomWidget->setLineFixedWidth(true);
    ui->bottomWidget->start();
}

void frmMain::initNav()
{
    //不同的样式边距和图标大小不一样,可以自行调整三个值看效果
    int topMargin, otherMargin;
    if (AppNav::NavMainLeft) {
        topMargin = ui->widgetMenu->height() + 6;
        otherMargin = 9;
    } else {
        topMargin = 3;
        otherMargin = 3;
    }

    ui->layoutNav->setContentsMargins(otherMargin, topMargin, otherMargin, otherMargin);

    frmView *view = new frmView;
    ui->stackedWidget->addWidget(view);

    frmData *data = new frmData;
    ui->stackedWidget->addWidget(data);

    frmConfig *config = new frmConfig;
    ui->stackedWidget->addWidget(config);

    connect(this, SIGNAL(setIndex(int)), view, SLOT(setIndex(int)));
    connect(AppEvent::Instance(), SIGNAL(changeStyle()), this, SLOT(initIcon()));
    connect(AppEvent::Instance(), SIGNAL(changeStyle()), data, SLOT(initIcon()));
    connect(AppEvent::Instance(), SIGNAL(changeStyle()), config, SLOT(initIcon()));
    connect(AppEvent::Instance(), SIGNAL(fullScreen(bool)), this, SLOT(fullScreen(bool)));

    QList<QString> names, texts;
    names << "btnMainDevice" << "btnMainMap" << "btnMainData" << "btnData" << "btnConfig";
    texts << "设备监控" << "地图监控" << "数据监控" << "数据查询" << "系统设置";
    icons << 0xea00 << 0xe695 << 0xe60a << 0xe699 << 0xe706;

    //根据设定实例化导航按钮对象
    for (int i = 0; i < texts.count(); i++) {
        QToolButton *btn = new QToolButton;
        if (AppNav::NavMainLeft) {
            btn->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
            btn->setMinimumWidth(115);
        } else {
            btn->setToolButtonStyle(Qt::ToolButtonTextUnderIcon);
            btn->setMinimumWidth(80);
        }

        btn->setObjectName(names.at(i));
        btn->setText(texts.at(i));
        btn->setCheckable(true);
        btn->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Expanding);
        connect(btn, SIGNAL(clicked(bool)), this, SLOT(buttonClicked()));
        ui->layoutNav->addWidget(btn);
        btns << btn;
    }

    btns.at(0)->click();
}

void frmMain::initIcon()
{
    //如果logo图片不存在则隐藏标签,否则显示logo图片
    ui->labLogoBg->setAlignment(Qt::AlignCenter);
    QPixmap pixLogo(QUIHelper::appPath() + "/" + "bg.png");
    if (pixLogo.isNull()) {
        //ui->labLogoBg->setVisible(false);
        //设置图形字体作为logo
        int size = 50;
        ui->labLogoBg->setFixedWidth(size + 20);
        IconHelper::setIcon(ui->labLogoBg, 0xe6f2, size);
    } else {
        int size = 150;
        ui->labLogoBg->setFixedWidth(size + 20);
        pixLogo = pixLogo.scaled(size, size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
        ui->labLogoBg->setPixmap(pixLogo);
    }

    int count = btns.count();
    for (int i = 0; i < count; ++i) {
        AppNav::initNavBtnIcon(btns.at(i), icons.at(i), false);
    }
}

void frmMain::buttonClicked()
{
    QAbstractButton *btn = (QAbstractButton *)sender();
    if (btn == btns.at(0)) {
        emit setIndex(0);
        ui->stackedWidget->setCurrentIndex(0);
    } else if (btn == btns.at(1)) {
        emit setIndex(1);
        ui->stackedWidget->setCurrentIndex(0);
    } else if (btn == btns.at(2)) {
        emit setIndex(2);
        ui->stackedWidget->setCurrentIndex(0);
    } else if (btn == btns.at(3)) {
        ui->stackedWidget->setCurrentIndex(1);
    } else if (btn == btns.at(4)) {
        ui->stackedWidget->setCurrentIndex(2);
    }

    //取消其他按钮选中
    foreach (QAbstractButton *b, btns) {
        b->setChecked(b == btn);
    }
}

void frmMain::initText()
{
    //从配置文件读取logo名称
    ui->labLogoCn->setText("通用应用程序框架平台");
    ui->labLogoEn->setText("General application framework platform");
    this->setWindowTitle(ui->labLogoCn->text());

    //设置标题+版本+版权
    ui->bottomWidget->setTitle(ui->labLogoCn->text());
    ui->bottomWidget->setCopyright("上海物联网技术研究中心");
}

void frmMain::initAction()
{
    //设置右键菜单模式
    this->setContextMenuPolicy(Qt::ActionsContextMenu);

    //添加换肤菜单
    QStringList styleNames, styleFiles;
    QUIStyle::getStyle(styleNames, styleFiles);

    //放入动作组产生互斥效果
    QActionGroup *actionGroup = new QActionGroup(this);
    for (int i = 0; i < styleNames.count(); i++) {
        QAction *action = new QAction(this);
        action->setCheckable(true);
        action->setText(styleNames.at(i));
        action->setData(styleFiles.at(i));
        connect(action, SIGNAL(triggered(bool)), this, SLOT(doAction()));
        this->addAction(action);
        actionGroup->addAction(action);

        //默认样式
        if (styleFiles.at(i) == ":/qss/blackvideo.css") {
            action->setChecked(true);
        }
    }
}

void frmMain::doAction()
{
    QAction *action = (QAction *)sender();
    QString qssFile = action->data().toString();
    AppInit::Instance()->initStyle(qssFile);
}

void frmMain::fullScreen(bool full)
{
    if (full) {
        ui->widgetTop->setVisible(false);
        ui->bottomWidget->setVisible(false);
        this->showFullScreen();
        //this->showMaximized();
    } else {
        ui->widgetTop->setVisible(true);
        ui->bottomWidget->setVisible(true);
        this->showNormal();
    }
}

void frmMain::on_btnMenu_Min_clicked()
{
    this->showMinimized();
}

void frmMain::on_btnMenu_Max_clicked()
{
    static bool max = false;
    static QRect location = this->geometry();

    if (max) {
        this->setGeometry(location);
    } else {
        location = this->geometry();
        this->setGeometry(QUIHelper::getScreenRect());
    }

    IconHelper::setIcon(ui->btnMenu_Max, max ? QUIConfig::IconNormal : QUIConfig::IconMax);
    this->setProperty("canMove", max);
    max = !max;
    frameless->setWidgetMovable(!max);
    frameless->setWidgetResizable(!max);
}

void frmMain::on_btnMenu_Close_clicked()
{
    this->close();
}