#include "multiselector.h"
#include "ui_Multiselector.h"

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

    //load qss
    QFile file(":/qss/MultiSelector.qss");
    file.open(QFile::ReadOnly);
    QTextStream filetext(&file);
    QString stylesheet = filetext.readAll();
    this->setStyleSheet(stylesheet);
    file.close();

    //因为样式表无法设置到这一层，因此手动设置
    ui->listWidget->verticalScrollBar()->setStyleSheet("QScrollBar{width:60;background-color:palegoldenrod;}");


    connect(ui->listWidget,SIGNAL(clicked(QModelIndex)),
            this,SLOT(on_ListClicked(QModelIndex)));

    connect(ui->listWidget,SIGNAL(doubleClicked(QModelIndex)),
            this,SLOT(on_ListDoubleClicked(QModelIndex)));

    ui->listWidget->setFocus();
    ui->listWidget->setFocusPolicy(Qt::StrongFocus);

}

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


bool MultiSelector::event(QEvent *event)
{
    if(event->type() == QEvent::Leave)
    {
        this->close();
    }
    return QWidget::event(event);
}

//设置分类
void MultiSelector::setCategory(QStringList list)
{
    Q_UNUSED(list)
    isHaveCategory = true;
}

//设置当前选中
void MultiSelector::setCurrent(QString value)
{
    QList<QListWidgetItem *> items;
    items = ui->listWidget->findItems(value,Qt::MatchCaseSensitive);
    foreach (QListWidgetItem *item, items)
    {
        ui->listWidget->setItemSelected(item,true);
        ui->listWidget->setCurrentItem(item);
    }

    ui->listWidget->setFocus();
}


//设置列表
void MultiSelector::setList(QMap<int, QVector< QString> > list)
{
     stringmap.clear();

     stringmap = list;

     reBuildList();
     setCurrent(stringmap.begin().value().at(0));
}

void MultiSelector::setList(QMap<int, QVector<QString> > list, QString current)
{
     stringmap.clear();

     stringmap = list;

     reBuildList();
     setCurrent(current);
}

//重建列表
void MultiSelector::reBuildList(void)
{
    ui->listWidget->clear();
    for (QMap<int, QVector< QString> >::iterator i = stringmap.begin();i != stringmap.end(); ++i)
    {
        int index = i.key();

        QVector< QString> w = i.value();

        QString Seq  = w.at(0);
        QString Type = w.at(1);

        QWidget *widget = new QWidget(ui->listWidget);

        QLabel *seq = new QLabel(widget);
        QLabel *type = new QLabel(widget);

        seq->setMaximumWidth(80);
        seq->setMinimumHeight(60);
        seq->setMinimumWidth(80);
        seq->setText(Seq);


        type->setMinimumWidth(80);
        type->setMinimumHeight(60);
        type->setText(Type);

        QHBoxLayout *layout = new QHBoxLayout;

        layout->setMargin(0);
        layout->setSpacing(1);


        layout->addWidget(seq);
        layout->addWidget(type);
        widget->setLayout(layout);
        //创建自定义的item
        //将widget作为列表的item
        QListWidgetItem *ITEM = new QListWidgetItem();

        //ITEM->setText(Item);
        //ITEM->setTextAlignment(Qt::AlignHCenter | Qt::AlignVCenter);

        ui->listWidget->addItem(ITEM);
        ui->listWidget->setItemWidget(ITEM, widget);
    }
}

//一旦点击，那么返回一个item的string
void MultiSelector::on_BtnClicked()
{
    //qDebug() << "btn clicked";
}

void MultiSelector::on_ListClicked(QModelIndex index)
{
    Q_UNUSED(index)
    //qDebug() << "list clicked" << ui->listWidget->item(index.row())->text();
}

void MultiSelector::on_ListDoubleClicked(QModelIndex index)
{
    emit confirmValue(index.row());
    this->close();
}