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/*
This file is part of Kung.
Copyright (c) 2005 Tobias Koenig <tokoe@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef INPUTFIELD_H
#define INPUTFIELD_H
#include <qdom.h>
#include <qobject.h>
#include <qstring.h>
#include <qvaluelist.h>
class QWidget;
namespace Schema {
class SimpleType;
class ComplexType;
}
/**
Abstract base class for all kinds of input fields.
*/
class InputField : public QObject
{
Q_OBJECT
public:
typedef QValueList<InputField*> List;
/**
Constructs a input field.
*/
InputField( const QString &name );
/**
Destructor.
*/
virtual ~InputField();
/**
Returns the name of the field.
*/
QString name() const;
/**
Sets the xml data of this field.
*/
virtual void setXMLData( const QDomElement &element ) = 0;
/**
Returns the xml value of this field.
*/
virtual void xmlData( QDomDocument &document, QDomElement &parent ) = 0;
/**
Sets the plain data of this field as string.
*/
virtual void setData( const QString &data ) = 0;
/**
Returns the data of this field as string.
*/
virtual QString data() const = 0;
/**
Returns a pointer to a new created input widget which can be used to
to modify the value.
*/
virtual QWidget *createWidget( QWidget *parent ) = 0;
/**
Add a child field.
*/
virtual void appendChild( InputField *field );
/**
Removes a child field.
*/
virtual void removeChild( InputField *field );
/**
Returns a field with the given name or 0 when no field with this name
exists.
*/
virtual InputField *childField( const QString &name ) const;
/**
Returns a list of all child fields.
*/
virtual InputField::List childFields() const;
signals:
/**
This signal is emitted whenever the value is changed by the user.
*/
void modified();
protected:
QString mName;
InputField::List mFields;
};
/**
Abstract base class for simple input fields like text or number input.
*/
class SimpleInputField : public InputField
{
public:
SimpleInputField( const QString &name, const Schema::SimpleType *type );
~SimpleInputField();
protected:
Schema::SimpleType *mType;
};
/**
Abstract base class for complex input fields like pages, lists or tables.
*/
class ComplexInputField : public InputField
{
public:
ComplexInputField( const QString &name, const Schema::ComplexType *type );
~ComplexInputField();
protected:
Schema::ComplexType *mType;
};
#endif
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