#include "ToolPage.h"

#include <QDebug>
#include <QFormLayout>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QLabel>
#include <QPushButton>

ToolPage::ToolPage(QWidget *parent) :
    QWidget(parent),
    m_bIsExpanded(true),
    m_pLabel(nullptr),
    m_pPushButtonFold(nullptr),
    m_pContent(nullptr)
{
    setAttribute(Qt::WA_StyledBackground);

    m_pPushButtonFold = new QPushButton(this);
    m_pLabel = new QLabel(this);
    m_pLabel->setFixedSize(20, 20);
    m_pLabel->setPixmap(QPixmap(":/images/icon_down_arrow.png").scaled(m_pLabel->size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
    QHBoxLayout *hLayout = new QHBoxLayout(m_pPushButtonFold);
    QVBoxLayout *vLayout = new QVBoxLayout(this);
    vLayout->setContentsMargins(0, 0, 0, 0);
    vLayout->setSpacing(2);
    vLayout->addWidget(m_pPushButtonFold);
    hLayout->setContentsMargins(0, 0, 5, 0);
    hLayout->addStretch(1);
    hLayout->addWidget(m_pLabel);

    connect(m_pPushButtonFold, &QPushButton::clicked, this, &ToolPage::onPushButtonFoldClicked);
}

ToolPage::~ToolPage()
{
    if(m_pContent)
        delete m_pContent;
    if(m_pPushButtonFold)
        delete m_pPushButtonFold;
}

void ToolPage::addWidget(const QString &title, QWidget *widget)
{
    if(!m_pContent)
    {
        m_pPushButtonFold->setText(title);
        layout()->addWidget(widget);
        m_pContent = widget;
    }

}

void ToolPage::expand()
{
    if(m_pContent)
        m_pContent->show();
    m_bIsExpanded = true;
    m_pLabel->setPixmap(QPixmap(":/images/icon_down_arrow.png").scaled(m_pLabel->size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
}

void ToolPage::collapse()
{
    if(m_pContent)
        m_pContent->hide();
    m_bIsExpanded = false;
    m_pLabel->setPixmap(QPixmap(":/images/icon_left_arrow.png").scaled(m_pLabel->size(), Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
}

void ToolPage::onPushButtonFoldClicked()
{
    if (m_bIsExpanded) {
        collapse();
    } else {
        expand();
    }
}