#include "MaterialBoxGraphicsView.h"

MaterialBoxGraphicsView::MaterialBoxGraphicsView(QGraphicsScene* scene, QWidget* parent)
    : QGraphicsView(scene, parent){
    setRenderHint(QPainter::Antialiasing);
    setTransformationAnchor(QGraphicsView::AnchorUnderMouse); // 缩放时以鼠标为中心
};


void MaterialBoxGraphicsView::mousePressEvent(QMouseEvent* event){
    if(event->button() == Qt::LeftButton){
        QGraphicsItem* item = itemAt(event->pos());
        if (item && dynamic_cast<MaterialBoxDie*>(item)) {
            clearSeleted();
            selectedLeftItem = dynamic_cast<MaterialBoxDie*>(item);
            selectedLeftItem->setLeftSelected(true);
        }else{
            clearSeleted();
            return;
        }
        setCursor(Qt::OpenHandCursor);  // 按下时设置为小手

    }else if(event->button() == Qt::RightButton){
        QGraphicsItem* item = itemAt(event->pos());
        if (item && dynamic_cast<MaterialBoxDie*>(item)) {
            clearSeleted();
            selectedRightItem = dynamic_cast<MaterialBoxDie*>(item);
            selectedRightItem->setRightSelected(true);
            qDebug()<<selectedRightItem->getRow();
            emit layerRightClicked(selectedRightItem->getRow()+1);

        }else{
            return;
        }
    }
    QGraphicsView::mousePressEvent(event);
}
void MaterialBoxGraphicsView::mouseReleaseEvent(QMouseEvent* event){
    if (event->button() == Qt::LeftButton) {
        setCursor(Qt::ArrowCursor);  // 松开时恢复为箭头
    }
}

void MaterialBoxGraphicsView::wheelEvent(QWheelEvent* event) {
    if (event->orientation() == Qt::Vertical) {
        event->ignore(); // 忽略竖直滚轮事件（即禁用滚动条滑动）
        return;
    }
    event->accept();
}
void MaterialBoxGraphicsView::clearSeleted(){
    if(selectedLeftItem){
        selectedLeftItem->setLeftSelected(false);
    }
    if(selectedRightItem){
        selectedRightItem->setRightSelected(false);
    }
}



void BackgroundRect::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
    // 绘制灰色背景框
    painter->setPen(Qt::black);
    painter->setBrush(Qt::lightGray);
    painter->drawRect(m_containerWidthdp, m_containerHeightdp, m_containerWidth, m_containerHeight);
}

MaterialBoxDie::MaterialBoxDie(int row, int col, int status, qreal weight,qreal height, QGraphicsItem* parent)
    : QGraphicsRectItem(parent), row(row), col(col), status(status){
    setRect(0, 0, weight, height); // 设置单元格大小
    setBrush(getColorByStatus(status));

    // 设置边框（Pen）
    setPen(QPen(QColor(0, 0, 0), 0.5)); // 黑色边框，宽度为0.5
}

void MaterialBoxDie::setLeftSelected(bool selected){
    if (selected) {
        setPen(QPen(Qt::blue, 2));
        setZValue(1);
    } else {
        setPen(QPen(Qt::black, 0.5));  // 未选中时恢复为黑色边框
        setZValue(0);
    }
}
void MaterialBoxDie::setRightSelected(bool selected){
    if (selected) {
        setPen(QPen(Qt::green, 2));
        setZValue(1);
    } else {
        setPen(QPen(Qt::black, 0.5));  // 未选中时恢复为黑色边框
        setZValue(0);
    }
}
QColor MaterialBoxDie::getColorByStatus(int status){
    switch (status) {
    case 0: return QColor(255, 0, 0); // 红色
    case 1: return QColor(40, 129, 5); // 绿色
    default: return QColor(0, 0, 0);
    }
}

int MaterialBoxDie::getRow(){
    return row;
}