#include "dbBrowser.h"
#include "ui_dbBrowser.h"
#include "attributeView.h"
#include <QTabBar>

DatabaseBrowser::DatabaseBrowser(QWidget *parent)
    : QWidget(parent)
    , ui(new Ui::DatabaseBrowser)
{
    ui->setupUi(this);

    connect(ui->tabWidget, &QTabWidget::tabCloseRequested, this, &DatabaseBrowser::onTabCloseRequested);
    connect(ui->tabWidget, &QTabWidget::currentChanged, this, &DatabaseBrowser::onCurrentTabChanged);
}

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

int DatabaseBrowser::tabIndex(const QString& tabText)
{
    for(int i = 0; i < ui->tabWidget->count(); i++)
    {
        if(ui->tabWidget->tabText(i) == tabText)
            return i;
    }

    return -1;
}

void DatabaseBrowser::addTab_attribute(const QString& connection, ModelAttributeGroup& attributeGroup)
{
    QString tabText = attributeGroup.strModelName + "/" + attributeGroup.strGroupName;
    int index = tabIndex(tabText);
    if(index != -1)
    {
        ui->tabWidget->setCurrentIndex(index);
        return;
    }

    AttributeView* view = new AttributeView(attributeGroup, ui->tabWidget, connection);
    index = ui->tabWidget->addTab(view, QIcon(":/img/images/icon_hierarchy.png"), tabText);
    //添加自定义按钮
    /*QPushButton* closeBtn = new QPushButton("");
    closeBtn->setProperty("index", index);
    connect(closeBtn, &QPushButton::clicked, this, &DatabaseBrowser::onBtnClick_tabCloseBtn);
    closeBtn->setFixedSize(12, 12);
    closeBtn->setStyleSheet("QPushButton\n"
                               "{\n"
                               "	border-image: url(:/img/images/btn_close_default.png);\n"
                               "}\n"
                               "QPushButton:hover\n"
                               "{\n"
                               "	border-image: url(:/img/images/btn_close_hover.png);\n"
                               "}\n"
                               "QPushButton:pressed\n"
                               "{\n"
                               "	border-image: url(:/img/images/btn_close_pressed.png);\n"
                               "}");
    QTabBar* tabBar = ui->tabWidget->tabBar();
    tabBar->setTabButton(index, QTabBar::RightSide, closeBtn);*/

    ui->tabWidget->setCurrentIndex(index);
}

void DatabaseBrowser::onTabCloseRequested(int index)
{
    /*QObject* sender = QObject::sender();
    QPushButton* button = qobject_cast<QPushButton*>(sender);
    if(!button)
        return;

    int index = button->property("index").toInt();*/
    QWidget* widget = ui->tabWidget->widget(index);
    ui->tabWidget->removeTab(index);
    delete widget;
}

void DatabaseBrowser::onCurrentTabChanged(int index)
{
    if(index == -1) //最后一个tab关闭时会触发
    {
        ui->recordInfo->clear();
        return;
    }

    QString recordInfo = QString::fromWCharArray(L"共 * 条记录");
    QWidget* widget = ui->tabWidget->widget(index);
    AttributeView* attributeView = qobject_cast<AttributeView*>(widget);
    if(attributeView)
    {
        attributeView->active();
    }
}