156 lines
4.2 KiB
C++
156 lines
4.2 KiB
C++
#include "graphicsItem/electricSvgGroupPT.h"
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#include "graphicsItem/electricSvgItemPT.h"
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#include "global.h"
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#include <QPainter>
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#include <QStyleOption>
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#include <QGraphicsScene>
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#include <QGraphicsView>
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ElectricSvgGroupPT::ElectricSvgGroupPT(const QRect &rect, QGraphicsItem *parent)
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: ElectricSvgGroup(rect,parent)
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{
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setHandleIfShow(H_textCaption,false);
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setHandleVisible(false);
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setFunctionHandleIfShow(false);
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setFunctionHandleEnaable(false);
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}
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ElectricSvgGroupPT::ElectricSvgGroupPT(const ElectricSvgGroupPT& obj)
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: ElectricSvgGroup(obj)
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{
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setHandleIfShow(H_textCaption,false);
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setHandleVisible(false);
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setFunctionHandleIfShow(false);
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setFunctionHandleEnaable(false);
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m_lstType = obj.m_lstType;
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}
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ElectricSvgGroupPT::~ElectricSvgGroupPT()
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{
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}
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ElectricSvgGroupPT* ElectricSvgGroupPT::clone() const
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{
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return new ElectricSvgGroupPT(*this);
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}
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void ElectricSvgGroupPT::setupFinish(QVariant var)
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{
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if(var.canConvert<QList<int>>()){
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QList<int> lst = var.value<QList<int>>();
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m_lstType = lst;
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}
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updateItem();
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}
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void ElectricSvgGroupPT::paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget)
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{
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ElectricSvgGroup::paint(painter,option,widget);
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if(m_childItems.isEmpty()){ //无对象时绘制提示框
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QPen pen(Qt::lightGray);
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pen.setStyle(Qt::DotLine);
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painter->setPen(pen);
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painter->drawRect(m_boundingRect);
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}
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}
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void ElectricSvgGroupPT::updateItem()
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{
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for(auto pItem:m_childItems){
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delete pItem;
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}
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m_childItems.clear();
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QRect rec(0,0,30,30);
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for(int i = 0;i < m_lstType.size();++i){
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ElectricSvgItemPT* p = new ElectricSvgItemPT(rec);
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if(m_lstType[i] == 1){
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p->loadSvg(m_mapSvg["y"]);
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p->setItemType(1);
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}
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else{
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p->loadSvg(m_mapSvg["z"]);
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p->setItemType(0);
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}
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p->setMoveable(false);
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addSvgItem(p);
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}
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updateTerPos();
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}
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void ElectricSvgGroupPT::updateLayout()
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{
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if (m_childItems.isEmpty()) return;
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// 获取所有子项
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//QList<QGraphicsItem*> children = childItems();
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int n = m_childItems.size();
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if (n == 0) return;
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// 中心点
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QPointF center(0, 0); // 假设以当前item的坐标系中心为布局中心
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// 圆的半径（假设所有子项大小相同）
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qreal radius = m_childItems.first()->boundingRect().width()*0.5; // 根据需要调整
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// 布局半径（子项中心到布局中心的距离）
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qreal layoutRadius = radius * 1; // 根据需要调整
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switch(n) {
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case 1:
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// 单个子项放在中心
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m_childItems[0]->setPos(center);
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break;
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case 2:
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// 两个子项上下排列
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m_childItems[0]->setPos(center.x(), center.y() - layoutRadius);
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m_childItems[1]->setPos(center.x(), center.y() + layoutRadius);
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break;
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case 3:
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// 三个子项三角形排列
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for (int i = 0; i < 3; ++i) {
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qreal angle = 2 * M_PI * i / 3 - M_PI / 2; // 从顶部开始
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m_childItems[i]->setPos(center.x() + layoutRadius * cos(angle),
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center.y() + layoutRadius * sin(angle));
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}
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break;
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case 4:
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// 四个子项正方形排列
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for (int i = 0; i < 4; ++i) {
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qreal angle = 2 * M_PI * i / 4 - M_PI / 4; // 从右上角开始
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m_childItems[i]->setPos(center.x() + layoutRadius * cos(angle),
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center.y() + layoutRadius * sin(angle));
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}
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break;
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case 5:
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// 五个子项五角星排列
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for (int i = 0; i < 5; ++i) {
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qreal angle = 2 * M_PI * i / 5 - M_PI / 2; // 从顶部开始
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m_childItems[i]->setPos(center.x() + layoutRadius * cos(angle),
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center.y() + layoutRadius * sin(angle));
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}
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break;
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default:
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// 对于多于5个的情况，使用圆形排列
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for (int i = 0; i < n; ++i) {
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qreal angle = 2 * M_PI * i / n;
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m_childItems[i]->setPos(center.x() + layoutRadius * cos(angle),
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center.y() + layoutRadius * sin(angle));
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}
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break;
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}
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updateBoundRect();
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}
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