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libs/qad/sql_table/sql_record_widget.h
2020-04-30 16:07:01 +03:00

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3.2 KiB
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/*
QAD - Qt ADvanced
Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SQL_RECORD_WIDGET_H
#define SQL_RECORD_WIDGET_H
#include <QWidget>
#include <QSqlQuery>
#include <QSqlField>
#include <QVariant>
#include <QMap>
#include <QSet>
#include "qad_export.h"
class QAD_EXPORT SQLRecordWidget: public QWidget {
Q_OBJECT
public:
SQLRecordWidget(QWidget * parent = 0);
~SQLRecordWidget();
void setRecord(const QSqlRecord & q, bool full_update = false);
void setReadOnly(bool yes) {ro = yes; updateWidgets();}
void setFixedValue(const QString & name, const QVariant & value);
void setTypeForName(const QString & name, const QString & type) {ftypes[name] = type;}
void clearValues();
void removeWidgets() {qDeleteAll(cws); cws.clear();}
void hideColumn(const QString & col) {hidden << col;}
void showColumn(const QString & col) {hidden.remove(col);}
void showColumns() {hidden.clear();}
void addRelation(const QString & this_column, const QString & other_table, const QString & other_key, const QString & other_column) {relations_src << RelationSrc(this_column, other_table, other_key, other_column); updateRelations();}
void removeRelations() {relations_src.clear(); updateRelations();}
void addTranslation(const QString & file);
void setConnectionName(const QString &conn_name) {connection_name = conn_name;}
QString connectionName() const {return connection_name;}
QString getValuesQuery() const;
QString getUpdateQuery() const;
bool isEmpty() const;
QWidget * valueWidget(const QString & name) const {foreach (QWidget * w, cws) if (w->objectName() == name) return w; return 0;}
void updateRelations();
protected:
QPair<QString, QString> trColumn(const QString & n) {QPair<QString, QString> trn = translates.value(n); if (trn.first.isEmpty()) return QPair<QString, QString>(n, ""); return trn;}
void createWidgets(const QSqlRecord & q);
void updateWidgets();
QVariant::Type fieldType(const QSqlField & f);
struct RelationSrc {
RelationSrc(const QString & v0 = QString(), const QString & v1 = QString(), const QString & v2 = QString(), const QString & v3 = QString()):
tcol(v0),
table(v1),
key(v2),
ocol(v3)
{}
QString tcol;
QString table;
QString key;
QString ocol;
};
QMap<QString, QPair<QString, QString> > translates;
QVector<RelationSrc> relations_src;
QMap<QString, QList<QPair<int, QString> > > relations;
QMap<QString, QString> ftypes;
QSet<QString> hidden;
QWidgetList cws;
bool ro;
QString connection_name;
signals:
void updateRequest();
void widgetsCreated();
};
#endif // SQL_RECORD_WIDGET_H