mirror of
https://github.com/qelectrotech/qelectrotech-source-mirror.git
synced 2026-10-11 06:34:14 +02:00
Laurent Trinques
108 lines
3.7 KiB
C++
108 lines
3.7 KiB
C++
/*
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Copyright 2006-2026 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef CABLELISTMODEL_H
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#define CABLELISTMODEL_H
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#include <QAbstractTableModel>
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#include <QDomElement>
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#include <QHash>
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#include <QList>
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#include <QMap>
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#include <QPointer>
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#include <QStringList>
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#include <QVector>
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class Cable;
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class Diagram;
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class Element;
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class QETProject;
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/**
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@brief The CableListModel class
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The rows of a cable list, shown by QetGraphicsTableItem the way the
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project database model shows a nomenclature -- and shaped after it
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on purpose: same roles, same header behaviour, same way of saving
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itself to the project file, so that the table on the sheet treats
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this model exactly like any other.
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Whereas ProjectDBModel asks the project database, this model asks
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CableList::rows(), straight from the cables of the project. It
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refreshes itself whenever anything those rows are worked out from
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changes: a cable edited, a cable added or removed, a folio added,
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removed or re-informed (its title block carries the installation and
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the place), a label typed over on a piece a cable lands on.
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*/
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class CableListModel : public QAbstractTableModel
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{
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Q_OBJECT
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public:
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explicit CableListModel(QETProject *project, QObject *parent = nullptr);
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CableListModel(const CableListModel &other_model);
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int rowCount(const QModelIndex &parent = QModelIndex()) const override;
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int columnCount(const QModelIndex &parent = QModelIndex()) const override;
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bool setHeaderData(int section,
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Qt::Orientation orientation,
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const QVariant &value,
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int role = Qt::EditRole) override;
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QVariant headerData(int section,
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Qt::Orientation orientation,
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int role = Qt::DisplayRole) const override;
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bool setData(const QModelIndex &index,
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const QVariant &value,
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int role = Qt::EditRole) override;
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QVariant data(const QModelIndex &index,
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int role = Qt::DisplayRole) const override;
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/// The columns this table shows, in order: keys of CableList
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void setFields(const QStringList &fields);
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QStringList fields() const {return m_fields;}
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/// The same, joined the way the project file stores it
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QString queryString() const;
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void setIdentifier(const QString &identifier) {m_identifier = identifier;}
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QString identifier() const {return m_identifier;}
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QETProject *project() const;
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QDomElement toXml(QDomDocument &document) const;
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void fromXml(const QDomElement &element);
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static QString xmlTagName() {return QStringLiteral("cable_list_model");}
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public slots:
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/// Work the rows out again and tell whoever shows them
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void refresh();
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private:
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/// Watch everything the rows are worked out from
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void connectProject();
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QPointer<QETProject> m_project;
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QStringList m_fields;
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QVector<QMap<QString, QString>> m_rows;
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//First int = section, second int = Qt::role, QVariant = value
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QHash<int, QHash<int, QVariant>> m_header_data;
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QHash<int, QVariant> m_index_0_0_data;
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QString m_identifier = QStringLiteral("cable_list");
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/// The current watchers of this model, dropped and taken
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/// again on every refresh
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QList<QMetaObject::Connection> m_watchers;
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};
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#endif // CABLELISTMODEL_H
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