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/*
This file is part of KAddressBook.
Copyright (c) 2002 Mike Pilone <mpilone@slac.com>
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
As a special exception, permission is given to link this program
with any edition of Qt, and distribute the resulting executable,
without including the source code for Qt in the source distribution.
*/
#include <qevent.h>
#include <qlayout.h>
#include <qpushbutton.h>
#include <qstring.h>
#include <qtl.h>
#include <qapplication.h>
#include <kabc/addressbook.h>
#include <kabc/field.h>
#include <kdebug.h>
#include <klocale.h>
#include "kabcore.h"
#include "jumpbuttonbar.h"
class JumpButton : public QPushButton
{
public:
JumpButton( const QString &text, QWidget *parent,
const QString &character );
void setCharacter( const QString &character );
QString character() const;
private:
QString mCharacter;
};
JumpButton::JumpButton( const QString &text, QWidget *parent,
const QString &character )
: QPushButton( text, parent )
{
mCharacter = character;
}
void JumpButton::setCharacter( const QString &character )
{
mCharacter = character;
setText(mCharacter.upper() );
}
QString JumpButton::character() const
{
return mCharacter;
}
JumpButtonBar::JumpButtonBar( KABCore *core, QWidget *parent, const char *name )
: QWidget( parent, name ), mCore( core )
{
if ( QApplication::desktop()->width() < 480 )
mButtonLayout = new QGridLayout( this, 2, 14 );
else
mButtonLayout = new QGridLayout( this, 1, 28 );
mButtonLayout->setAlignment( Qt::AlignTop );
recreateButtons();
}
JumpButtonBar::~JumpButtonBar()
{
}
QSizePolicy JumpButtonBar::sizePolicy() const
{
#ifndef KAB_EMBEDDED
return QSizePolicy( QSizePolicy::Maximum, QSizePolicy::Minimum,
QSizePolicy::Vertically );
#else //KAB_EMBEDDED
return QSizePolicy( QSizePolicy::Maximum, QSizePolicy::Minimum);
#endif //KAB_EMBEDDED
}
void JumpButtonBar::letterClicked()
{
JumpButton *button = (JumpButton*)sender();
QString character = button->character();
if ( !character.isNull() )
emit jumpToLetter( character );
}
void JumpButtonBar::recreateButtons()
{
// the easiest way to remove all buttons ;)
//mButtons.setAutoDelete( true );
//mButtons.clear();
//mButtons.setAutoDelete( false );
mCharacters.clear();
QString character;
KABC::AddressBook *ab = mCore->addressBook();
KABC::AddressBook::Iterator it;
KABC::Field *field = mCore->currentSearchField();
if ( field ) {
setEnabled( true );
} else {
setEnabled( false );
return;
}
for ( it = ab->begin(); it != ab->end(); ++it ) {
if ( !field->value( *it ).isEmpty() )
character = field->value( *it )[ 0 ].lower();
if ( !character.isEmpty() && !mCharacters.contains( character ) )
mCharacters.append( character );
}
if ( mCharacters.count() == 0 ) {
setEnabled( false );
return;
}
int maxRows = mCharacters.count() / 2; // we use 2 columns
if ( mCharacters.count() % 2 )
maxRows++;
int fixwid = 20;
sortListLocaleAware( mCharacters );
bool skip2 = false;
int skipcount = 0;
int maxHei = 25;
if ( QApplication::desktop()->width() < 480 && mCharacters.count() > 13) {
skipcount = mCharacters.count()-13;
maxHei = (QApplication::desktop()->height()-65)/13;
}
else {
fixwid = 30;
if ( mCharacters.count() > 20 )
skipcount = mCharacters.count()- 20;
maxHei = (QApplication::desktop()->height()-120)/(mCharacters.count()-skipcount);
}
maxRows = 28;
bool skipcurrent = false;
bool state = isUpdatesEnabled();
setUpdatesEnabled( false );
//qDebug("cc %d ",mCharacters.count() );
JumpButton *button;
int row = 0, col = 0;
JumpButton* cur = mButtons.first();
for ( uint i = 0; i < mCharacters.count(); ++i ) {
if ( skipcount > 0 && skipcurrent ) {
--skipcount;
} else {
if ( cur ) {
button = cur ;
cur = mButtons.next();
button->setCharacter(mCharacters[ i ]);
} else {
button = new JumpButton( mCharacters[ i ].upper(), this, mCharacters[ i ] );
button->setFixedWidth( fixwid );
mButtons.append( button );
connect( button, SIGNAL( clicked() ), this, SLOT( letterClicked() ) );
mButtonLayout->addWidget( button, row, col );
}
button->setMaximumHeight( maxHei );
button->show();
if ( col == maxRows ) {
row = 0;
col++;
} else
row++;
}
skipcurrent = !skipcurrent;
}
while ( cur ) {
cur->hide();
cur = mButtons.next();
}
mButtonLayout->activate();
setUpdatesEnabled( state );
update();
}
void JumpButtonBar::sortListLocaleAware( QStringList &list )
{
QStringList::Iterator beginIt = list.begin();
QStringList::Iterator endIt = list.end();
--endIt;
if ( beginIt == endIt ) // don't need sorting
return;
QStringList::Iterator walkBackIt = endIt;
while ( beginIt != endIt ) {
QStringList::Iterator j1 = list.begin();
QStringList::Iterator j2 = j1;
++j2;
while ( j1 != walkBackIt ) {
#ifndef KAB_EMBEDDED
if ( QString::localeAwareCompare( *j2, *j1 ) < 0 )
#else //KAB_EMBEDDED
if ( QString::compare( *j2, *j1 ) < 0 )
#endif //KAB_EMBEDDED
qSwap( *j1, *j2 );
++j1;
++j2;
}
++beginIt;
--walkBackIt;
}
}
#ifndef KAB_EMBEDDED
#include "jumpbuttonbar.moc"
#endif //KAB_EMBEDDED
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