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/*
This file is part of KAddressBook.
Copyright (c) 1996-2002 Mirko Boehm <mirko@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
As a special exception, permission is given to link this program
with any edition of TQt, and distribute the resulting executable,
without including the source code for TQt in the source distribution.
*/
#ifndef PRINTSTYLE_H
#define PRINTSTYLE_H
#include <tqwidget.h>
#include <tqstringlist.h>
#include <tqpixmap.h>
#include <kabc/field.h>
namespace KABPrinting {
class PrintingWizard;
class PrintProgress;
/**
The class PrintStyle implements the abstract interface to the
PrintingWizards style objects.
To implement a print style, derive from this class and read
the information in printingwizard.h to see how this two pieces
work together. Basically, the print style gets the contacts it
is supposed to print from the PrintingWizard is will not
change this set - neither its content nor its order.
To register your new style in the printing wizard, you need to
define a PrintStyleFactory that handles how your objects are
created and deleted. See the existing print styles for
examples.
A print style should have a preview image that gives the user
a basic impression on how it will look. Add this image to the
printing folder (right here :-), and edit Makefile.am to have
it installed along with kaddressbook. Load it using
setPreview(TQString).
Your print style is supposed to add its options as pages to
the printing wizard. The method wizard() gives you a pointer
to the wizard object.
*/
class PrintStyle : public TQObject
{
Q_OBJECT
TQ_OBJECT
public:
PrintStyle( PrintingWizard* tqparent, const char* name = 0 );
virtual ~PrintStyle();
/**
Reimplement this method to actually print.
*/
virtual void print( const KABC::Addressee::List &contacts, PrintProgress* ) = 0;
/**
Reimplement this method to provide a preview of what will
be printed. It returns an invalid TQPixmap by default,
resulting in a message that no preview is available.
*/
const TQPixmap& preview();
/**
Hide all style specific pages in the wizard.
*/
void hidePages();
/**
Show all style specific pages in the wizard.
*/
void showPages();
/**
Returns the preferred sort criterion field.
*/
KABC::Field* preferredSortField();
/**
Returns the preferred sort type.
true = ascending
false = descending
*/
bool preferredSortType();
protected:
/**
Load the preview image from the kaddressbook data
directory. The image should be located in the subdirectory
"printing". Give only the file name without any prefix as
the parameter.
*/
bool setPreview( const TQString& fileName );
/**
Set the preview image.
*/
void setPreview( const TQPixmap& image );
/**
Set preferred sort options for this printing style.
*/
void setPreferredSortOptions( KABC::Field *field, bool ascending = true );
/**
Return the wizard object.
*/
PrintingWizard *wizard();
/**
Add additional page to the wizard e.g. a configuration page for
the style.
*/
void addPage( TQWidget *page, const TQString &title );
private:
PrintingWizard *mWizard;
TQPixmap mPreview;
TQPtrList<TQWidget> mPageList;
TQStringList mPageTitles;
KABC::Field *mSortField;
bool mSortType;
};
/**
The factories are used to have all object of the respective
print style created in one place.
This will maybe be changed to a template because of its simple
nature :-)
*/
class PrintStyleFactory
{
public:
PrintStyleFactory( PrintingWizard* tqparent, const char* name = 0 );
virtual ~PrintStyleFactory();
virtual PrintStyle *create() const = 0;
/**
Overload this method to provide a one-liner description
for your print style.
*/
virtual TQString description() const = 0;
protected:
PrintingWizard* mParent;
const char* mName;
};
}
#endif
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