kde-playground/kdepimlibs/kalarmcal/alarmtext.h
2015-04-14 21:49:29 +00:00

212 lines
8 KiB
C++

/*
* alarmtext.h - text/email alarm text conversion
* This file is part of kalarmcal library, which provides access to KAlarm
* calendar data.
* Copyright © 2004,2005,2008-2012 by David Jarvie <djarvie@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 ALARMTEXT_H
#define ALARMTEXT_H
#include "kalarmcal_export.h"
#ifndef KALARMCAL_USE_KRESOURCES
#include <kcalcore/todo.h>
#else
namespace KCal { class Todo; }
#endif
#include <QtCore/QString>
namespace KAlarmCal
{
class KAEvent;
/**
* @short Parses email, todo and script alarm texts.
*
* This class parses email, todo and script texts, enabling drag and drop of
* these items to be recognised and interpreted. It also holds plain alarm
* texts.
*
* - Email texts must contain headers (To, From, etc.) in normal RFC format.
* - Todos should be in iCalendar format.
* - Scripts are assumed if the alarm text starts with '#!'.
*
* @author David Jarvie <djarvie@kde.org>
*/
class KALARMCAL_EXPORT AlarmText
{
public:
/** Constructor which sets the alarm text.
* If @p text starts with '#!', it is flagged as a script, else plain text.
* @param text alarm text to set
*/
explicit AlarmText(const QString& text = QString());
AlarmText(const AlarmText& other);
~AlarmText();
AlarmText& operator=(const AlarmText& other);
/** Set the alarm text.
* If @p text starts with '#!', it is flagged as a script, else plain text.
* @param text alarm text to set
*/
void setText(const QString& text);
/** Set the instance contents to be a script.
* @param text text of script to set
*/
void setScript(const QString& text);
/** Set the instance contents to be an email.
* @param to 'To' header parameter
* @param from 'From' header parameter
* @param cc 'Cc' header parameter
* @param time 'Date' header parameter
* @param subject 'Subject' header parameter
* @param body email body text
*/
void setEmail(const QString& to, const QString& from, const QString& cc, const QString& time,
const QString& subject, const QString& body, unsigned long kmailSerialNumber = 0);
#ifndef KALARMCAL_USE_KRESOURCES
/** Set the instance contents to be a todo.
* @param todo Todo instance to set as the text
*/
void setTodo(const KCalCore::Todo::Ptr& todo);
#else
/** Set the instance contents to be a todo.
* @param todo Todo instance to set as the text
*/
void setTodo(const KCal::Todo* todo);
#endif
/** Return the text for a text message alarm, in display format.
* - An email is returned as a sequence of headers followed by the message body.
* - A todo is returned as a subject, location and due date followed by any text.
* - A script or plain text is returned without interpretation.
*/
QString displayText() const;
/** Return the 'To' header parameter for an email alarm.
* @return 'from' value, or empty if not an email text.
*/
QString to() const;
/** Return the 'From' header parameter for an email alarm.
* @return 'from' value, or empty if not an email text.
*/
QString from() const;
/** Return the 'Cc' header parameter for an email alarm.
* @return 'cc' value, or empty if not an email text.
*/
QString cc() const;
/** Return the 'Date' header parameter for an email alarm.
* @return 'date' value, or empty if not an email text.
*/
QString time() const;
/** Return the 'Subject' header parameter for an email alarm.
* @return 'subject' value, or empty if not an email text.
*/
QString subject() const;
/** Return the email message body.
* @return message body, or empty if not an email text.
*/
QString body() const;
/** Return the summary text for a todo.
* @return summary text, or empty if not a todo.
*/
QString summary() const;
/** Return the location text for a todo.
* @return location text, or empty if not a todo.
*/
QString location() const;
/** Return the due date text for a todo.
* @return due date text, or empty if not a todo.
*/
QString due() const;
/** Return the description text for a todo.
* @return description text, or empty if not a todo.
*/
QString description() const;
/** Return whether there is any text. */
bool isEmpty() const;
/** Return whether the instance contains the text of an email. */
bool isEmail() const;
/** Return whether the instance contains the text of a script. */
bool isScript() const;
/** Return whether the instance contains the text of a todo. */
bool isTodo() const;
/** Return the kmail serial number of an email.
* @return serial number, or 0 if none.
*/
unsigned long kmailSerialNumber() const;
/** Return the alarm summary text for either single line or tooltip display.
* @param event event whose summary text is to be returned
* @param maxLines the maximum number of lines returned
* @param truncated if non-null, points to a variable which will be set true
* if the text returned has been truncated, other than to
* strip a trailing newline, or false otherwise
*/
static QString summary(const KAEvent& event, int maxLines = 1, bool* truncated = 0);
/** Return whether a text is an email, with at least To and From headers.
* @param text text to check
*/
static bool checkIfEmail(const QString& text);
/** Check whether a text is an email (with at least To and From headers),
* and if so return its headers or optionally only its subject line.
* @param text text to check
* @param subjectOnly true to only return the subject line,
* false to return all headers
* @return headers/subject line, or QString() if not the text of an email.
*/
static QString emailHeaders(const QString& text, bool subjectOnly);
/** Translate an alarm calendar text to a display text.
* Translation is needed for email texts, since the alarm calendar stores
* untranslated email prefixes.
* @param text text to translate
* @param email updated to indicate whether it is an email text
*/
static QString fromCalendarText(const QString& text, bool& email);
/** Return the text for an alarm message text, in alarm calendar format.
* (The prefix strings are untranslated in the calendar.)
* @param text alarm message text
*/
static QString toCalendarText(const QString& text);
private:
//@cond PRIVATE
class Private;
Private* const d;
//@endcond
};
} // namespace KAlarmCal
#endif // ALARMTEXT_H
// vim: et sw=4: