테이블을 나타내는 위젯을 만들고 일부 데이터를 업데이트하려고합니다. 이렇게하려면 Qt Model/View tutorial을 따르고 있습니다. QT 테이블/모델이 데이터를 호출하지 않습니다.
QTableView에서 상속 QAbstractTableModel
- EmittersTableModel (당신이 게시물의 끝에서 찾을 수)
제작 한 수업은 내가 EmittersTableModel 객체를 havethe EmittersTableWidget의 전용 멤버로. 생성자에서 모델을 인스턴스화하고 setModel() 메서드를 사용합니다.
데이터를 업데이트하려고하면 EmittersTableWidget :: setRadioData() 메서드를 호출하고 datachanged() 신호를 내 보냅니다.
내가 디버거 확인했습니다 호출되지 않습니다
EmittersTableModel::data()
을 호출되지 않습니다
EmittersTableModel::flags()
라고
emit dataChanged(topLeft, bottomRight)
이EmittersTableModel::columnCount()
라고
EmittersTableModel::rowCount()
라고합니다.
자습서에 (setModel()을 사용하고 필요한 가상 함수를 구현하고 신호를 내 보냅니다) 모든 작업을 수행하고있는 것처럼 보입니다.
내가 무엇이 누락 되었습니까?
EmittersTableModel.h
#include <QAbstractTableModel>
#include <QVector>
#include "Radio.h"
typedef QMultiMap<QString, MapScenario::Core::RadioPtr> PlayerRadioMap;
class EmittersTableModel : public QAbstractTableModel
{
Q_OBJECT
public:
EmittersTableModel(QObject *parent);
virtual int rowCount(const QModelIndex &parent = QModelIndex()) const ;
virtual int columnCount(const QModelIndex &parent = QModelIndex()) const;
virtual QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
virtual Qt::ItemFlags flags (const QModelIndex & index) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
void setRadioData(const PlayerRadioMap &xRadioMap);
private:
typedef struct
{
QString xName;
MapScenario::Core::RadioPtr pxRadio;
} TableRowData;
PlayerRadioMap m_xRadioMap;
QVector<TableRowData> m_xDataVector;
};
EmittersTableModel.cpp
#include "EmittersTableModel.h"
EmittersTableModel::EmittersTableModel(QObject *parent)
:QAbstractTableModel(parent)
{
}
int EmittersTableModel::rowCount(const QModelIndex & /*parent*/) const
{
return m_xDataVector.size() - 1;
}
int EmittersTableModel::columnCount(const QModelIndex & /*parent*/) const
{
return 8;
}
QVariant EmittersTableModel::data(const QModelIndex &index, int role) const
{
if (role == Qt::DisplayRole)
{
switch (index.column())
{
case 0 :
{
return m_xDataVector.at(index.row()).xName;
} break;
case 1 :
{
return m_xDataVector.at(index.row()).pxRadio->getName();
} break;
}
return QString("Row%1, Column%2")
.arg(index.row() + 1)
.arg(index.column() +1);
}
return QVariant();
}
Qt::ItemFlags EmittersTableModel::flags(const QModelIndex &index) const
{
return Qt::ItemIsEnabled | Qt::ItemIsEditable;
}
QVariant EmittersTableModel::headerData(int section, Qt::Orientation orientation, int role) const
{
if (role == Qt::DisplayRole)
{
if (orientation == Qt::Horizontal) {
switch (section)
{
case 0:
return QString("Player");
case 1:
return QString("Emitter");
case 2:
return QString("Freq.");
case 3:
return QString("Power");
case 4:
return QString("Modulation");
case 5:
return QString("Freq. Hopp.");
case 6:
return QString("Silent");
case 7:
return QString("Rec. Power");
}
}
}
return QVariant();
}
void EmittersTableModel::setRadioData(const PlayerRadioMap &xRadioMap)
{
m_xDataVector.clear();
PlayerRadioMap::const_iterator xIt;
for (xIt = xRadioMap.begin(); xIt != xRadioMap.end(); ++xIt)
{
TableRowData xData;
xData.xName = xIt.key();
xData.pxRadio = xIt.value();
m_xDataVector.append(xData);
}
if (false == m_xDataVector.empty())
{
QModelIndex topLeft = createIndex(0, 0);
QModelIndex bottomRight = createIndex(m_xDataVector.size() - 1, 7);
emit dataChanged(topLeft, bottomRight);
}
}
EmittersTableWidget.h
#include <QTableView>
#include <QHeaderView>
#include <QMultiMap>
#include <boost/smart_ptr.hpp>
#include "EmittersTableModel.h"
#include "Scenario.h"
#include "Radio.h"
namespace MapScenario
{
namespace Core
{
class Player;
}
}
/** Class for the player properties table model window */
class EmittersTableWidget : public QTableView
{
Q_OBJECT
public:
EmittersTableWidget(QWidget *xParent = 0);
~EmittersTableWidget();
public slots:
void refreshScenarioDataSlot(const MapScenario::Core::ScenarioPtr pxScenario);
private:
EmittersTableModel *m_pxModel;
void getTransmitterMap(const MapScenario::Core::ScenarioPtr pxScenario, PlayerRadioMap *pxRadioMap) const;
void sendDataToTableModel(const PlayerRadioMap &xRadioMap);
};
EmittersTableWidget.cpp
#include "EmittersTableWidget.h"
#include "Player.h"
#include "CoreException.h"
using MapScenario::Core::ScenarioPtr;
using MapScenario::Core::Radio;
using MapScenario::Core::PlayerPtr;
///////////////////////////////////////////////////////////////////////////////
// PUBLIC SECTION //
///////////////////////////////////////////////////////////////////////////////
EmittersTableWidget::EmittersTableWidget(QWidget *xParent)
: QTableView(xParent)
{
m_pxModel = new EmittersTableModel(0);
setModel(m_pxModel);
horizontalHeader()->setVisible(true);
verticalHeader()->setVisible(false);
setShowGrid(true);
setGridStyle(Qt::NoPen);
setCornerButtonEnabled(false);
setWordWrap(true);
setAlternatingRowColors(true);
setSelectionMode(QAbstractItemView::SingleSelection);
setSelectionBehavior(QAbstractItemView::SelectRows);
setSortingEnabled(true);
}
EmittersTableWidget::~EmittersTableWidget()
{
delete m_pxModel;
}
///////////////////////////////////////////////////////////////////////////////
// PUBLIC SLOTS SECTION //
///////////////////////////////////////////////////////////////////////////////
void EmittersTableWidget::refreshScenarioDataSlot(const ScenarioPtr pxScenario)
{
PlayerRadioMap xRadioMap;
getTransmitterMap(pxScenario, &xRadioMap);
sendDataToTableModel(xRadioMap);
}
void EmittersTableWidget::getTransmitterMap(const ScenarioPtr pxScenario, PlayerRadioMap *pxRadioMap) const
{
QVector<QString> xNameList;
QVector<QString>::const_iterator xNameIt;
QStringList::const_iterator xRadioIt;
pxScenario->getPlayersNameList(xNameList);
for (xNameIt = xNameList.begin(); xNameIt != xNameList.end(); ++xNameIt)
{
QStringList xRadioList;
PlayerPtr pxPlayer = pxScenario->getPlayer(*xNameIt);
pxPlayer->getRadioNameList(xRadioList);
for (xRadioIt = xRadioList.begin(); xRadioIt != xRadioList.end(); ++xRadioIt)
{
pxRadioMap->insert(pxPlayer->getName(), pxPlayer->getRadio(*xRadioIt));
}
}
}
void EmittersTableWidget::sendDataToTableModel(const PlayerRadioMap &xRadioMap)
{
m_pxModel->setRadioData(xRadioMap);
}
'EmittersTableWidget'을 보여 주십니까? – vahancho
예, 프로그램을 실행하면 올바르게 표시됩니다. – Jepessen
beginResetModel() 및 endResetModel()에서 모델 채우기를 시도해야합니까? – OnWhenReady