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A cyclic part could only ever be rendered at its natural width, which is fine for one of @scorpio810's two real layouts and wrong for the other: April 5000/2000, 32-point cards %IX0.0 .. %IX0.31, then %IX1.0 Schneider M340, 64-point cards I1.00 .. I1.63, then I2.00 The first wants no padding, the second wants two digits. Since the two conflict, the width cannot be derived from the modulus or from the part type -- it has to be the user's to set. Add a format field holding a run of zeros, the same convention a spreadsheet uses for integer padding: "00" renders 7 as 07, "000" as 007. The field's length is the minimum number of digits. It applies to every numeric part type, not only cyclic ones, so "Chiffre 01" can be widened past two digits without inventing another type for it. An empty mask means the part type's own natural width, so it reproduces exactly what every existing context does today -- Chiffre 1 stays 7, Chiffre 01 stays 07, Chiffre 001 stays 007. That is what makes this safe for existing projects: absent is the default, and absent changes nothing. Stored as a sixth field on the context part and as an XML attribute written only when set, following how modulus was added: readers guard on size() and treat a short item as "no format". All seven places that rebuild a part while incrementing it now carry the format through -- missing one would have silently dropped the padding on the second element numbered. The editor field is restricted to zeros by a validator, and is enabled only for types that render as a number. Measured: April, mask empty %IX0.29 %IX0.30 %IX0.31 %IX1.0 %IX1.1 M340, mask "00" I1.00 I1.01 ... I1.62 I1.63 I2.00 I2.01 no mask unit 7,8,9 ten 07,08,09 hundred 007,008,009 ten with mask "0000" 0007 0008 0009
63 lines
2.0 KiB
C++
63 lines
2.0 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 2 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 NUMEROTATIONCONTEXT_H
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#define NUMEROTATIONCONTEXT_H
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#include <QStringList>
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#include <QVariant>
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#include <QDomElement>
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/**
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This class represents a numerotation context, i.e. the data (type, value, increase)
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of a numerotation at a given time. It is notably used by conductor
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to store the informations they need to do their autonumerotation.
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*/
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class NumerotationContext
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{
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public:
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NumerotationContext ();
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NumerotationContext (QDomElement &);
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void clear();
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bool addValue(const QString &,
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const QVariant & = QVariant(1),
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const int = 1,
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const int = 0,
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const int = 0,
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const QString & = QString());
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/// Zero-padding mask of a part, e.g. "00"; empty means the type's
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/// own natural width. See addValue().
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static QString formatOf(const QStringList &item);
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QString operator[] (const int &) const;
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void operator << (const NumerotationContext &);
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int size() const;
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bool isEmpty() const;
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QStringList itemAt(const int) const;
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QString validRegExpNum () const;
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QString validRegExpNumber() const;
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bool keyIsAcceptable (const QString &) const;
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bool keyIsNumber(const QString &) const;
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QDomElement toXml(QDomDocument &, const QString&);
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void fromXml(QDomElement &);
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void replaceValue(int, QString);
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private:
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QStringList content_;
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};
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#endif // NUMEROTATIONCONTEXT_H
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