#include "CMindView.h"

#include "CRectItem.h"
#include "CLineItem.h"
#include "CTextItem.h"
#include "CMind.h"
#include "CNodeItem.h"

#include <QMenu>
#include <QContextMenuEvent>

#include <QDebug>

CMindView::CMindView(QWidget *parent) : QGraphicsView(new QGraphicsScene(), parent)
{
    setRenderHints(QPainter::Antialiasing);  // 抗锯齿
    m_mind = new CMind(this);
}

void CMindView::connectSignalsAndSlots() { }

CMind *CMindView::mind() const
{
    return m_mind;
}

void CMindView::setMind(CMind *mind)
{
    m_mind = mind;
    refresh();
}

void CMindView::refresh()
{
    for (CNodeItem *item : m_itemList) {
        scene()->removeItem(item->rectItem());
        delete item;
    }
    m_itemList.clear();

    for (CNodeData n : m_mind->nodeList()) {
        CNodeItem *item = new CNodeItem(this, n.number);
        item->setText(n.name);
        m_itemList.append(item);

        scene()->addItem(item->rectItem());

        connect(item, &CNodeItem::sigAddSubItem, this, &CMindView::addSubNode);
        connect(item, &CNodeItem::sigRemoveItem, this, &CMindView::removeNode);
    }
}

void CMindView::setALignment(CMindView::Alignment align)
{
    m_align = align;
}

void CMindView::addNode(CNodeData n)
{
    m_mind->addNode(n);
    refresh();
}

void CMindView::removeNode(int number)
{
    qDebug() << __FUNCTION__ << __LINE__ << number << endl;
    m_mind->removeNode(number);
    refresh();
}

void CMindView::addSubNode(int pNumber)
{
    qDebug() << __FUNCTION__ << __LINE__ << pNumber << endl;
    CNodeData root = m_mind->root();
    CNodeData n    = CNodeData(root.projectId, root.evalType, m_mind->maxNumber() + 1, pNumber);
    addNode(n);
}

void CMindView::testItems()
{
    CRectItem *r = new CRectItem(QRectF(0, 0, 100, 100));
    scene()->addItem(r);

    CLineItem *l = new CLineItem(QPointF(-100, -100), QPointF(50, 50));
    scene()->addItem(l);
    l->setFlags(QGraphicsItem::ItemIsMovable);
    l->setLineType(CLineItem::CurveToLine);

    CTextItem *t = new CTextItem("test", QPoint(0, 0));
    scene()->addItem(t);
}