99 lines
2.5 KiB
C++
99 lines
2.5 KiB
C++
#include "ParkingLotWidget.h"
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#include "ParkingSpaceWidget.h"
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#include <QFile>
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#include <QMessageBox>
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#include <QDomDocument>
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#include <QDebug>
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#include "Road.h"
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#include <QPainter>
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#include <QPaintEvent>
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ParkingLotWidget::ParkingLotWidget(QWidget *parent, const QString& xml) : QWidget(parent)
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{
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resize(1000, 1000);
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parse_xml(xml);
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setLayout(layout);
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}
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void ParkingLotWidget::paintEvent(QPaintEvent * event)
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{
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event->ignore();
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}
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int ParkingLotWidget::addSpace(ParkingSpaceWidget *sp)
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{
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m_spaceList.push_back(sp);
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return m_spaceList.size();
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}
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ParkingLotWidget::~ParkingLotWidget()
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{
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}
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void ParkingLotWidget::parse_xml(const QString & xml)
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{
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QFile file(xml);
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if (!file.open(QFile::ReadOnly | QFile::Text)) {
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QMessageBox::critical(this, QObject::tr("Error"),
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QObject::tr("Cannot read file %1").arg(xml));
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}
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QString errorStr;
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int errorLine;
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int errorColumn;
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QDomDocument doc;
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if (!doc.setContent(&file, false, &errorStr, &errorLine, &errorColumn)) {
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QMessageBox::critical(this, QObject::tr("Error"),
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QObject::tr("Parse error at line %1, column %2: %3")
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.arg(errorLine).arg(errorColumn).arg(errorStr));
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}
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QDomElement element = doc.documentElement().firstChild().toElement();
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QString name = element.tagName();
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if (element.tagName().contains("Layout"))
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{
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layout = parseLayout(element);
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} else
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{
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qDebug() << this -> objectName() << "布局文件错误";
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}
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}
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QBoxLayout * ParkingLotWidget::parseLayout(const QDomElement & element)
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{
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QBoxLayout* layout;
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if (element.tagName() == "hLayout")
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layout = new QHBoxLayout;
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else
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layout = new QVBoxLayout;
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QDomElement child = element.firstChild().toElement();
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while (!child.isNull())
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{
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QString name = child.tagName();
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if (name == "road")
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{
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const int l = child.attribute("length").toInt();
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if (child.attribute("direction") == "vertical")
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layout->addWidget(new Road(this, l, Road::vertical));
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else
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layout->addWidget(new Road(this, l, Road::horizontal));
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}
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else if (name == "room")
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{
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const auto n = child.attribute("number", "1").toInt();
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layout->addLayout(ParkingSpaceWidget::makeParkingSapceGroup(
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this, child.attribute("direction"), n, child.attribute("expendDirection")));
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}
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else if ((name.at(0) == 'v' || name.at(0) == 'h' )&& name.contains("Layout"))
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layout->addLayout(parseLayout(child));
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else
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qDebug() << this->objectName() << "错误的xml标签";
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child = child.nextSiblingElement();
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}
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layout->addStretch(); // 添加伸缩，实现居上或居左对齐
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layout->setMargin(0);
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layout->setSpacing(0);
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return layout;
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}
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