#include <QJsonArray>
#include "baseDrawingPanel.h"
#include <QMessageBox>
#include <QCloseEvent>
#include <QVBoxLayout>
#include "designerView.h"
#include "graphicsDataModel/fixedPortsModel.h"
#include "graphicsItem/graphicsBaseItem.h"
#include "util/selectorManager.h"
#include "statusBar.h"
#include "powerEntity.h"
#include "topologyManager.h"

BaseDrawingPanel::BaseDrawingPanel(PowerEntity* pEntity,QWidget *parent,DiagramMode mode)
    : QWidget(parent)
    ,_pModel(nullptr)
    ,_mode(mode)
    ,_pEntity(pEntity)
{
    _pModel = new FixedPortsModel(pEntity);
    _pModel->setTopWidget(this);
    m_pSelectorManager = new SelectorManager(_pModel,this);
    m_pGraphicsScene = new DesignerScene(_pModel,this);
    //设置场景大小.前两个参数为scene的坐标远点，设置到view的中心点后，无论view如何缩放，secne的坐标原点都不会动，方便后续的位置计算
    m_pGraphicsScene->setSceneRect(0,0, g_dGriaphicsScene_Width*4, g_dGriaphicsScene_Height*4);
    m_pGraphicsScene->setGridVisible(true);

    m_pGraphicsView = new DesignerView(this);
    m_pGraphicsView->setScene(m_pGraphicsScene);
    m_pGraphicsView->setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
    m_pGraphicsScene->setView(m_pGraphicsView);
    _pModel->setScene(m_pGraphicsScene);

    m_pStatusBar = new StatusBar(this);
    connect(m_pGraphicsView,&DesignerView::onScaleChanged,m_pStatusBar,&StatusBar::onScaleLevelChanged);

    QVBoxLayout *verticalLayout = new QVBoxLayout(this);
    verticalLayout->addWidget(m_pGraphicsView);
    verticalLayout->addWidget(m_pStatusBar);
    verticalLayout->setContentsMargins(0, 0, 0, 0); // 左,上,右,下
    verticalLayout->setSpacing(0); // 部件之间的间距
}

BaseDrawingPanel::~BaseDrawingPanel()
{
    if(_pModel)
        delete _pModel;
}

QGraphicsScene* BaseDrawingPanel::getQGraphicsScene()
{
    return m_pGraphicsView->scene();
}

DesignerScene* BaseDrawingPanel::getDesignerScene()
{
    return m_pGraphicsScene;
}

SelectorManager* BaseDrawingPanel::selectorManager() const
{
    if(m_pSelectorManager)
        return m_pSelectorManager;
    else
        return NULL;
}