QStringListModel的简单用法

兼容适配 软件兼容
1 
#ifndef TEAMLEADERDIALOG_H
#define TEAMLEADERDIALOG_H

#include <QtGui/QDialog>
#include <QListView>
#include <QStringListModel>

class TeamLeaderDialog : public QDialog
{
   Q_OBJECT

public:
   TeamLeaderDialog(const QStringList &leaders, QWidget *parent = 0);
   ~TeamLeaderDialog();
private slots:
   void insertName();
   void deleteName();
   void editName();
private:
   QListView *listView;
   QStringListModel *model;
};

#endif // TEAMLEADERDIALOG_H

#include "teamleaderdialog.h"
#include <QPushButton>
#include <QHBoxLayout>
#include <QVBoxLayout>
#include <QInputDialog>

TeamLeaderDialog::TeamLeaderDialog(const QStringList &leaders, QWidget *parent)
   : QDialog(parent)
{
   model = new QStringListModel;
   model->setStringList(leaders);

   listView = new QListView;
   listView->setModel(model);

   QPushButton *insertButton = new QPushButton("Insert");
   QPushButton *deleteButton = new QPushButton("Delete");
   QPushButton *editButton = new QPushButton("Edit");
   QHBoxLayout *hlayout = new QHBoxLayout;
   hlayout->addWidget(insertButton);
   hlayout->addWidget(deleteButton);
   hlayout->addWidget(editButton);
   QVBoxLayout *vlayout = new QVBoxLayout;
   vlayout->addWidget(listView);
   vlayout->addLayout(hlayout);

   setLayout(vlayout);

   connect(insertButton, SIGNAL(clicked()), this, SLOT(insertName()));
   connect(deleteButton, SIGNAL(clicked()), this, SLOT(deleteName()));
   connect(editButton, SIGNAL(clicked()), this, SLOT(editName()));
}

TeamLeaderDialog::~TeamLeaderDialog()
{
}

void TeamLeaderDialog::insertName()
{
   bool ok;
   QString name = QInputDialog::getText(this, tr("New Name"), tr(""), QLineEdit::Normal, tr(""), &ok);
   if (ok && !name.isEmpty())
   {
   int row = listView->currentIndex().row();
   model->insertRows(row, 1);
   QModelIndex index = model->index(row);
   model->setData(index, name);
   listView->setCurrentIndex(index);
   }
}

void TeamLeaderDialog::deleteName()
{
   model->removeRows(listView->currentIndex().row(), 1);
}

void TeamLeaderDialog::editName() //直接按F2就可以编辑，不用自己实再实现编辑功能
{
   int row = listView->currentIndex().row();
   QModelIndex index = model->index(row);
   QVariant variant = model->data(index, Qt::DisplayRole);  //获取当前选择的项的文本
   QString name = variant.toString();
   bool ok;
   name = QInputDialog::getText(this, tr("Edit Name"), tr(""), QLineEdit::Normal, name, &ok);
   if (ok && !name.isEmpty())
   {
   row = listView->currentIndex().row();
   index = model->index(row);
   model->setData(index, name);
   listView->setCurrentIndex(index);
   }
}

原文链接