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50
51#include "mymodel.h"
52
53#include <QFont>
54#include <QBrush>
55#include <QDebug>
56
57MyModel::MyModel(QObject *parent)
58 : QAbstractTableModel(parent)
59{
60}
61
62int MyModel::rowCount(const QModelIndex & /*parent */) const
63{
64 return 2;
65}
66
67int MyModel::columnCount(const QModelIndex & /*parent */) const
68{
69 return 3;
70}
71
72//! [Quoting ModelView Tutorial]
73// mymodel.cpp
74QVariant MyModel::data(const QModelIndex &index, int role) const
75{
76 int row = index.row();
77 int col = index.column();
78 // generate a log message when this method gets called
79 qDebug() << QString("row %1, col%2, role %3")
80 .arg(a: row).arg(a: col).arg(a: role);
81
82 switch (role) {
83 case Qt::DisplayRole:
84 if (row == 0 && col == 1) return QString("<--left");
85 if (row == 1 && col == 1) return QString("right-->");
86
87 return QString("Row%1, Column%2")
88 .arg(a: row + 1)
89 .arg(a: col +1);
90 case Qt::FontRole:
91 if (row == 0 && col == 0) { //change font only for cell(0,0)
92 QFont boldFont;
93 boldFont.setBold(true);
94 return boldFont;
95 }
96 break;
97 case Qt::BackgroundRole:
98 if (row == 1 && col == 2) //change background only for cell(1,2)
99 return QBrush(Qt::red);
100 break;
101 case Qt::TextAlignmentRole:
102 if (row == 1 && col == 1) //change text alignment only for cell(1,1)
103 return int(Qt::AlignRight | Qt::AlignVCenter);
104 break;
105 case Qt::CheckStateRole:
106 if (row == 1 && col == 0) //add a checkbox to cell(1,0)
107 return Qt::Checked;
108 break;
109 }
110 return QVariant();
111}
112//! [Quoting ModelView Tutorial]
113

source code of qtbase/examples/widgets/tutorials/modelview/2_formatting/mymodel.cpp