#include "qtdialog.h"
#include <cassert>
#include <iostream>
#include <stdexcept>
#include <boost/numeric/conversion/cast.hpp>
#include <QHeaderView>
#include <QStandardItemModel>
#include "ui_qtdialog.h"
struct MyDataRow
{
MyDataRow(
const bool any_blue,
const bool any_green,
const std::string any_name,
const bool any_red)
: blue(any_blue),
green(any_green),
name(any_name),
red(any_red)
{
}
bool blue;
bool green;
std::string name;
bool red;
};
struct MyDataTable
{
MyDataTable() : data(CreateTable()) {}
std::vector<MyDataRow> data;
static const std::vector<MyDataRow> CreateTable()
{
return
{
MyDataRow(true,true,"White",true),
MyDataRow(false,false,"Black",false),
MyDataRow(false,false,"Red",true),
MyDataRow(false,true,"Yellow",true),
MyDataRow(false,true ,"Green",false),
MyDataRow(true,true ,"Cyan",false),
MyDataRow(true ,false,"Blue",false),
MyDataRow(true,false,"Magenta",true)
};
}
};
struct MyModel : public QStandardItemModel
{
MyModel(QObject *parent = 0)
: QStandardItemModel(
0, //rows, will become 8
4, //columns
parent
),
m_data(MyDataTable())
{
setColumnCount(4);
setHeaderData(0,Qt::Horizontal,"R");
setHeaderData(1,Qt::Horizontal,"G");
setHeaderData(2,Qt::Horizontal,"B");
setHeaderData(3,Qt::Horizontal,"Color");
const int n_rows = boost::numeric_cast<int>(m_data.data.size());
for (int i=0; i!=n_rows; ++i)
{
QList<QStandardItem*> items;
//Add 'R' checkbox
{
QStandardItem * const item = new QStandardItem;
item->setEditable(true);
item->setCheckable(true);
items.push_back(item);
}
//Add 'G' checkbox
{
QStandardItem * const item = new QStandardItem;
item->setEditable(true);
item->setCheckable(true);
items.push_back(item);
}
//Add 'B' checkbox
{
QStandardItem * const item = new QStandardItem;
item->setEditable(true);
item->setCheckable(true);
items.push_back(item);
}
//Add 'Color' checkbox
{
QStandardItem * const item = new QStandardItem;
item->setFlags(
Qt::ItemIsSelectable
| Qt::ItemIsEditable
| Qt::ItemIsEnabled);
items.push_back(item);
}
assert(this->columnCount() == items.size());
this->appendRow(items);
}
if (!(this->rowCount() == boost::numeric_cast<int>(m_data.data.size())))
{
std::cout << this->rowCount() << '\n';
}
assert(this->rowCount() == boost::numeric_cast<int>(m_data.data.size()));
}
///Implement virtual member function
QVariant data(const QModelIndex &index, int role) const
{
assert(index.isValid());
//Removing this line will cause checkboxes to appear
if (index.column() == 3 && role != Qt::EditRole && role != Qt::DisplayRole) return QVariant();
if (!(index.row() < boost::numeric_cast<int>(m_data.data.size())))
{
std::cout << index.row();
}
assert(index.row() < boost::numeric_cast<int>(m_data.data.size()));
assert(index.column() < 4);
const MyDataRow& row = m_data.data[ index.row() ];
switch (index.column())
{
case 0: return row.red ? Qt::Checked : Qt::Unchecked;
case 1: return row.green ? Qt::Checked : Qt::Unchecked;
case 2: return row.blue ? Qt::Checked : Qt::Unchecked;
case 3: return QString(row.name.c_str());
default:
assert(!"Should not get here");
throw std::logic_error("MyModel::data");
}
}
///Implement virtual member function
bool setData(const QModelIndex &index, const QVariant &value, int /* role = Qt::EditRole */)
{
assert(index.isValid());
assert(index.row() < boost::numeric_cast<int>(m_data.data.size()));
assert(index.column() < 4);
MyDataRow& row = m_data.data[ index.row() ];
switch (index.column())
{
case 0: row.red = value.toBool(); break;
case 1: row.green = value.toBool(); break;
case 2: row.blue = value.toBool(); break;
case 3: row.name = value.toString().toStdString(); break;
default:
assert(!"Should not get here");
throw std::logic_error("MyModel::setData");
}
emit dataChanged(index,index);
return true;
}
private:
MyDataTable m_data;
};
QtDialog::QtDialog(QWidget *parent) :
QDialog(parent),
ui(new Ui::QtDialog),
m_model(new MyModel(this))
{
ui->setupUi(this);
ui->table->setModel(m_model);
assert(ui->table->model());
assert(m_model);
assert(ui->table->model() == m_model);
ui->table->setColumnWidth(0, 24);
ui->table->setColumnWidth(1, 24);
ui->table->setColumnWidth(2, 24);
ui->table->setColumnWidth(3,175);
}
QtDialog::~QtDialog()
{
delete ui;
}
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