browser.h Example File

sqlbrowser/browser.h

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  #ifndef BROWSER_H
  #define BROWSER_H

  #include <QWidget>
  #include <QSqlTableModel>
  #include "ui_browserwidget.h"

  class ConnectionWidget;
  QT_FORWARD_DECLARE_CLASS(QTableView)
  QT_FORWARD_DECLARE_CLASS(QPushButton)
  QT_FORWARD_DECLARE_CLASS(QTextEdit)
  QT_FORWARD_DECLARE_CLASS(QSqlError)

  class Browser: public QWidget, private Ui::Browser
  {
      Q_OBJECT
  public:
      Browser(QWidget *parent = 0);
      virtual ~Browser();

      QSqlError addConnection(const QString &driver, const QString &dbName, const QString &host,
                    const QString &user, const QString &passwd, int port = -1);

      void insertRow();
      void deleteRow();
      void updateActions();

  public slots:
      void exec();
      void showTable(const QString &table);
      void showMetaData(const QString &table);
      void addConnection();
      void currentChanged() { updateActions(); }
      void about();

      void on_insertRowAction_triggered()
      { insertRow(); }
      void on_deleteRowAction_triggered()
      { deleteRow(); }
      void on_fieldStrategyAction_triggered();
      void on_rowStrategyAction_triggered();
      void on_manualStrategyAction_triggered();
      void on_submitAction_triggered();
      void on_revertAction_triggered();
      void on_selectAction_triggered();
      void on_connectionWidget_tableActivated(const QString &table)
      { showTable(table); }
      void on_connectionWidget_metaDataRequested(const QString &table)
      { showMetaData(table); }
      void on_submitButton_clicked()
      {
          exec();
          sqlEdit->setFocus();
      }
      void on_clearButton_clicked()
      {
          sqlEdit->clear();
          sqlEdit->setFocus();
      }

  signals:
      void statusMessage(const QString &message);
  };

  class CustomModel: public QSqlTableModel
  {
      Q_OBJECT
  public:
      explicit CustomModel(QObject *parent = 0, QSqlDatabase db = QSqlDatabase()):QSqlTableModel(parent, db) {}
      QVariant data(const QModelIndex &idx, int role) const Q_DECL_OVERRIDE
      {
          if (role == Qt::BackgroundRole && isDirty(idx))
              return QBrush(QColor(Qt::yellow));
          return QSqlTableModel::data(idx, role);
      }
  };

  #endif