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50
51#ifndef BROWSER_H
52#define BROWSER_H
53
54#include <QWidget>
55#include <QSqlTableModel>
56#include "ui_browserwidget.h"
57
58class ConnectionWidget;
59QT_FORWARD_DECLARE_CLASS(QTableView)
60QT_FORWARD_DECLARE_CLASS(QPushButton)
61QT_FORWARD_DECLARE_CLASS(QTextEdit)
62QT_FORWARD_DECLARE_CLASS(QSqlError)
63
64class Browser: public QWidget, private Ui::Browser
65{
66 Q_OBJECT
67public:
68 Browser(QWidget *parent = nullptr);
69 virtual ~Browser();
70
71 QSqlError addConnection(const QString &driver, const QString &dbName, const QString &host,
72 const QString &user, const QString &passwd, int port = -1);
73
74 void insertRow();
75 void deleteRow();
76 void updateActions();
77
78public slots:
79 void exec();
80 void showTable(const QString &table);
81 void showMetaData(const QString &table);
82 void addConnection();
83 void currentChanged() { updateActions(); }
84 void about();
85
86 void on_insertRowAction_triggered()
87 { insertRow(); }
88 void on_deleteRowAction_triggered()
89 { deleteRow(); }
90 void on_fieldStrategyAction_triggered();
91 void on_rowStrategyAction_triggered();
92 void on_manualStrategyAction_triggered();
93 void on_submitAction_triggered();
94 void on_revertAction_triggered();
95 void on_selectAction_triggered();
96 void on_connectionWidget_tableActivated(const QString &table)
97 { showTable(table); }
98 void on_connectionWidget_metaDataRequested(const QString &table)
99 { showMetaData(table); }
100 void on_submitButton_clicked()
101 {
102 exec();
103 sqlEdit->setFocus();
104 }
105 void on_clearButton_clicked()
106 {
107 sqlEdit->clear();
108 sqlEdit->setFocus();
109 }
110
111signals:
112 void statusMessage(const QString &message);
113};
114
115class CustomModel: public QSqlTableModel
116{
117 Q_OBJECT
118public:
119 explicit CustomModel(QObject *parent = nullptr, QSqlDatabase db = QSqlDatabase())
120 : QSqlTableModel(parent, db) {}
121
122 QVariant data(const QModelIndex &idx, int role) const override
123 {
124 if (role == Qt::BackgroundRole && isDirty(index: idx))
125 return QBrush(QColor(Qt::yellow));
126 return QSqlTableModel::data(idx, role);
127 }
128};
129
130#endif
131

source code of qtbase/examples/sql/sqlbrowser/browser.h