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/*
* eventlistviewbase.h - base classes for widget showing list of events
* Program: kalarm
* Copyright (c) 2004-2006 by David Jarvie <software@astrojar.org.uk>
*
* 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.
*/
#ifndef EVENTLISTVIEWBASE_H
#define EVENTLISTVIEWBASE_H
#include "kalarm.h"
#include <qvaluelist.h>
#include <klistview.h>
#include "alarmevent.h"
class QPixmap;
class EventListViewItemBase;
class Find;
class EventListViewBase : public KListView
{
Q_OBJECT
public:
typedef QValueList<EventListViewBase*> InstanceList;
typedef QValueListIterator<EventListViewBase*> InstanceListIterator;
typedef QValueListConstIterator<EventListViewBase*> InstanceListConstIterator;
EventListViewBase(QWidget* parent = 0, const char* name = 0);
virtual ~EventListViewBase() { }
EventListViewItemBase* getEntry(const QString& eventID) const;
void addEvent(const KAEvent& e) { addEvent(e, instances(), this); }
void modifyEvent(const KAEvent& e)
{ modifyEvent(e.id(), e, instances(), this); }
void modifyEvent(const QString& oldEventID, const KAEvent& newEvent)
{ modifyEvent(oldEventID, newEvent, instances(), this); }
void deleteEvent(const QString& eventID) { deleteEvent(eventID, instances()); }
static void addEvent(const KAEvent&, const InstanceList&, EventListViewBase* selectionView);
static void modifyEvent(const KAEvent& e, const InstanceList& list, EventListViewBase* selectionView)
{ modifyEvent(e.id(), e, list, selectionView); }
static void modifyEvent(const QString& oldEventID, const KAEvent& newEvent, const InstanceList&, EventListViewBase* selectionView);
static void deleteEvent(const QString& eventID, const InstanceList&);
static void undeleteEvent(const QString& oldEventID, const KAEvent& event, const InstanceList& list, EventListViewBase* selectionView)
{ modifyEvent(oldEventID, event, list, selectionView); }
void resizeLastColumn();
int itemHeight();
EventListViewItemBase* currentItem() const { return (EventListViewItemBase*)KListView::currentItem(); }
EventListViewItemBase* firstChild() const { return (EventListViewItemBase*)KListView::firstChild(); }
bool anySelected() const; // are any items selected?
const KAEvent* selectedEvent() const;
EventListViewItemBase* selectedItem() const;
QValueList<EventListViewItemBase*> selectedItems() const;
int selectedCount() const;
int lastColumn() const { return mLastColumn; }
virtual QString whatsThisText(int column) const = 0;
virtual InstanceList instances() = 0; // return all instances
public slots:
void refresh();
virtual void slotFind();
virtual void slotFindNext() { findNext(true); }
virtual void slotFindPrev() { findNext(false); }
virtual void slotSelectAll();
virtual void slotDeselect();
signals:
void itemDeleted();
void findActive(bool);
protected:
virtual void populate() = 0; // populate the list with all desired events
virtual EventListViewItemBase* createItem(const KAEvent&) = 0; // only used by default addEntry() method
virtual bool shouldShowEvent(const KAEvent&) const { return true; }
EventListViewItemBase* addEntry(const KAEvent&, bool setSize = false, bool reselect = false);
EventListViewItemBase* addEntry(EventListViewItemBase*, bool setSize, bool reselect);
EventListViewItemBase* updateEntry(EventListViewItemBase*, const KAEvent& newEvent, bool setSize = false, bool reselect = false);
void addLastColumn(const QString& title);
virtual void showEvent(QShowEvent*);
virtual void resizeEvent(QResizeEvent*);
private:
void deleteEntry(EventListViewItemBase*, bool setSize = false);
void findNext(bool forward);
Find* mFind; // alarm search object
int mLastColumn; // index to last column
int mLastColumnHeaderWidth;
};
class EventListViewItemBase : public QListViewItem
{
public:
EventListViewItemBase(EventListViewBase* parent, const KAEvent&);
const KAEvent& event() const { return mEvent; }
QPixmap* eventIcon() const;
int lastColumnWidth() const { return mLastColumnWidth; }
EventListViewItemBase* nextSibling() const { return (EventListViewItemBase*)QListViewItem::nextSibling(); }
static int iconWidth();
protected:
void setLastColumnText();
virtual QString lastColumnText() const = 0; // get the text to display in the last column
private:
static QPixmap* mTextIcon;
static QPixmap* mFileIcon;
static QPixmap* mCommandIcon;
static QPixmap* mEmailIcon;
static int mIconWidth; // maximum width of any icon
KAEvent mEvent; // the event for this item
int mLastColumnWidth; // width required to display message column
};
#endif // EVENTLISTVIEWBASE_H
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