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kdateedit.cpp
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kdateedit.cpp
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/*
This file is part of libkdepim.
Copyright (c) 2002 Cornelius Schumacher <schumacher@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., 675 Mass Ave, Cambridge, MA 02139, 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 <qapplication.h>
#include <qevent.h>
#include <qlineedit.h>
#include <qpixmap.h>
#include <qpushbutton.h>
#include <kdatepicker.h>
#include <kdebug.h>
#include <kglobal.h>
#include <kiconloader.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <knotifyclient.h>
#include "kdateedit.h"
#include "kdateedit.moc"
KDateEdit::KDateEdit(QWidget *parent, const char *name)
: QHBox(parent, name)
{
mDateEdit = new QLineEdit(this);
mDateEdit->setText(KGlobal::locale()->formatDate(QDate::currentDate(),true));
setFocusProxy(mDateEdit);
mDateEdit->installEventFilter(this);
QPixmap pixmap = SmallIcon("smallcal");
mDateButton = new QPushButton(this);
mDateButton->setPixmap(pixmap);
mDateFrame = new QVBox(0,0,WType_Popup);
mDateFrame->setFrameStyle(QFrame::PopupPanel | QFrame::Raised);
mDateFrame->setFixedSize(200,200);
mDateFrame->setLineWidth(3);
mDateFrame->hide();
mDatePicker = new KDatePicker(mDateFrame,QDate::currentDate());
connect(mDateEdit,SIGNAL(returnPressed()),SLOT(lineEnterPressed()));
connect(mDateEdit,SIGNAL(textChanged(const QString &)),
SLOT(textChanged(const QString &)));
connect(mDateButton,SIGNAL(clicked()),SLOT(toggleDatePicker()));
connect(mDatePicker,SIGNAL(dateSelected(QDate)),SLOT(setDate(QDate)));
connect(mDatePicker,SIGNAL(dateSelected(QDate)),SIGNAL(dateChanged(QDate)));
connect(mDatePicker,SIGNAL(dateSelected(QDate)),mDateFrame,SLOT(hide()));
// Create the keyword list. This will be used to match against when the user
// enters information.
mKeywordMap[i18n("tomorrow")] = 1;
mKeywordMap[i18n("today")] = 0;
mKeywordMap[i18n("yesterday")] = -1;
/*
* This loop uses some math tricks to figure out the offset in days
* to the next date the given day of the week occurs. There
* are two cases, that the new day is >= the current day, which means
* the new day has not occured yet or that the new day < the current day,
* which means the new day is already passed (so we need to find the
* day in the next week).
*/
QString dayName;
int currentDay = QDate::currentDate().dayOfWeek();
for (int i = 1; i <= 7; ++i)
{
dayName = KGlobal::locale()->weekDayName(i).lower();
if (i >= currentDay)
mKeywordMap[dayName] = i - currentDay;
else
mKeywordMap[dayName] = 7 - currentDay + i;
}
mTextChanged = false;
mHandleInvalid = false;
}
KDateEdit::~KDateEdit()
{
delete mDateFrame;
}
void KDateEdit::setDate(QDate newDate)
{
if (!newDate.isValid() && !mHandleInvalid)
return;
QString dateString = "";
if(newDate.isValid())
dateString = KGlobal::locale()->formatDate( newDate, true );
mTextChanged = false;
// We do not want to generate a signal here, since we explicity setting
// the date
bool b = mDateEdit->signalsBlocked();
mDateEdit->blockSignals(true);
mDateEdit->setText(dateString);
mDateEdit->blockSignals(b);
}
void KDateEdit::setHandleInvalid(bool handleInvalid)
{
mHandleInvalid = handleInvalid;
}
void KDateEdit::setEnabled(bool on)
{
mDateEdit->setEnabled(on);
mDateButton->setEnabled(on);
}
QDate KDateEdit::date() const
{
QDate date = readDate();
if (date.isValid() || mHandleInvalid) {
return date;
} else {
KNotifyClient::beep();
return QDate::currentDate();
}
}
void KDateEdit::toggleDatePicker()
{
if( mDateFrame->isVisible() ) {
mDateFrame->hide();
} else {
QPoint tmpPoint = mapToGlobal(mDateButton->geometry().bottomRight());
if ( tmpPoint.x() < 207 ) tmpPoint.setX( 207 );
int h = QApplication::desktop()->height();
if ( tmpPoint.y() + 200 > h ) tmpPoint.setY( h - 200 );
mDateFrame->setGeometry(tmpPoint.x()-207, tmpPoint.y(), 200, 200);
QDate date = readDate();
if(date.isValid()) {
mDatePicker->setDate(date);
} else {
mDatePicker->setDate(QDate::currentDate());
}
mDateFrame->show();
}
}
void KDateEdit::lineEnterPressed()
{
QDate date = readDate();
if(date.isValid())
{
// Update the edit. This is needed if the user has entered a
// word rather than the actual date.
setDate(date);
emit(dateChanged(date));
}
else
{
if ( !mDateEdit->text().isEmpty() ) {
mTextChanged = false;
QString text = i18n( "You entered an invalid date! Will use current date instead." );
if ( KMessageBox::warningContinueCancel( 0, text ) == KMessageBox::Continue ) {
setDate( QDate::currentDate() );
emit dateChanged( QDate::currentDate() );
}
}
}
}
bool KDateEdit::inputIsValid()
{
return readDate().isValid();
}
QDate KDateEdit::readDate() const
{
QString text = mDateEdit->text();
QDate date;
if (mKeywordMap.contains(text.lower()))
{
date = QDate::currentDate().addDays(mKeywordMap[text.lower()]);
}
else
{
date = KGlobal::locale()->readDate(text);
}
return date;
}
bool KDateEdit::eventFilter(QObject *, QEvent *e)
{
// We only process the focus out event if the text has changed
// since we got focus
if ((e->type() == QEvent::FocusOut) && mTextChanged)
{
lineEnterPressed();
mTextChanged = false;
}
return false;
}
void KDateEdit::textChanged(const QString &)
{
if(mHandleInvalid && mDateEdit->text().stripWhiteSpace().isEmpty()) {
QDate date; //invalid date
emit(dateChanged(date));
} else {
mTextChanged = true;
}
}

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