QFD2/QFD/CCanvas/CRectItem.cpp

#include "CRectItem.h"

#include <Widgets/Menu.h>

#include <QGraphicsSceneContextMenuEvent>
#include <QMenu>
#include <QPainter>

#include <QDebug>

CRectItem::CRectItem(QGraphicsItem *parent) : CRectItem(QRectF(), parent) { }

CRectItem::CRectItem(const QRectF &rect, QGraphicsItem *parent) : CPathItem(parent), m_rect(rect)
{
    setHandlesChildEvents(false);

    updatePath();

    m_menu    = new RoundMenu("menu");
    m_subNode = new QAction("添加子节点");
    m_select  = new QAction("选中");
    m_remove  = new QAction("删除");
    m_edit    = new QAction("编辑节点");

    m_menu->addAction(m_edit);
    m_menu->addAction(m_subNode);
    //    m_menu->addAction(m_select);
    m_menu->addAction(m_remove);
}

QRectF CRectItem::rect() const
{
    return m_rect;
}

void CRectItem::setRect(const QRectF &rect)
{
    m_rect = rect;
    updatePath();
}

QPointF CRectItem::centerLeft() const
{
    return QPointF(m_rect.center() - QPointF(m_rect.width() / 2, 0));
}

QPointF CRectItem::centerRight() const
{
    return QPointF(m_rect.center() + QPointF(m_rect.width() / 2, 0));
}

int CRectItem::cornerRadius() const
{
    return m_cornerRadius;
}

void CRectItem::setCornerRadius(qreal radius)
{
    m_cornerRadius = radius;
    updatePath();
}

void CRectItem::updatePath()
{
    QPainterPath path;
    path.addRoundedRect(m_rect, m_cornerRadius, m_cornerRadius);
    setPath(path);
}

void CRectItem::contextMenuEvent(QGraphicsSceneContextMenuEvent *event)
{
    if (!m_allowEdit) {
        return;
    }
    const QString txt = highlighted() ? "取消选中" : "选中";
    m_select->setText(txt);
    m_menu->exec(event->screenPos() + QPoint(-40, -20));
}

void CRectItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
{
    Q_UNUSED(event)
}

QAction *CRectItem::selectAction() const
{
    return m_select;
}

QAction *CRectItem::subNodeAction() const
{
    return m_subNode;
}

QAction *CRectItem::removeAction() const
{
    return m_remove;
}

QAction *CRectItem::editAction() const
{
    return m_edit;
}

QRectF CRectItem::boundingRect() const
{
    return m_rect;
}

void CRectItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
    painter->setPen(pen());
    painter->setBrush(Qt::blue);
    QGraphicsPathItem::paint(painter, option, widget);
}

void CRectItem::setAllowEdit(bool allow)
{
    m_allowEdit = allow;
}

void CRectItem::slotSelect()
{
    qDebug() << __FUNCTION__ << __LINE__ << endl;
}