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Diffstat (limited to 'libkdeedu/extdate/extdatepicker.cpp')
-rw-r--r-- | libkdeedu/extdate/extdatepicker.cpp | 532 |
1 files changed, 532 insertions, 0 deletions
diff --git a/libkdeedu/extdate/extdatepicker.cpp b/libkdeedu/extdate/extdatepicker.cpp new file mode 100644 index 00000000..22b4ba80 --- /dev/null +++ b/libkdeedu/extdate/extdatepicker.cpp @@ -0,0 +1,532 @@ +/* -*- C++ -*- + This file is part of the KDE libraries + Copyright (C) 1997 Tim D. Gilman (tdgilman@best.org) + (C) 1998-2001 Mirko Boehm (mirko@kde.org) + (C) 2004 Jason Harris (jharris@30doradus.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. +*/ + +#include <qlayout.h> +#include <qstyle.h> +#include <qtoolbutton.h> +#include <qtooltip.h> +#include <qpopupmenu.h> + +#include <kdialog.h> +#include <klocale.h> +#include <kiconloader.h> +#include <ktoolbar.h> +#include <kdebug.h> +#include <knotifyclient.h> + +#include "extdatepicker.h" +#include "extdatetbl.h" +#include "extdatepicker.moc" + +// Week numbers are defined by ISO 8601 +// See http://www.merlyn.demon.co.uk/weekinfo.htm for details + +class ExtDatePicker::ExtDatePickerPrivate +{ +public: + ExtDatePickerPrivate() : closeButton(0L), selectWeek(0L), todayButton(0), + navigationLayout(0), calendar(0) {} + + void fillWeeksCombo(const ExtDate &date); + + QToolButton *closeButton; + QComboBox *selectWeek; + QToolButton *todayButton; + QBoxLayout *navigationLayout; + ExtCalendarSystem *calendar; +}; + +void ExtDatePicker::fillWeeksCombo(const ExtDate &date) +{ + // every year can have a different number of weeks + +//must remain commented unless ExtDate stuff gets added to kdelibs +// const ExtCalendarSystem * calendar = KGlobal::locale()->calendar(); + + // it could be that we had 53,1..52 and now 1..53 which is the same number but different + // so always fill with new values + + d->selectWeek->clear(); + + // We show all week numbers for all weeks between first day of year to last day of year + // This of course can be a list like 53,1,2..52 + + ExtDate day(date.year(), 1, 1); + int lastMonth = d->calendar->monthsInYear(day); + ExtDate lastDay(date.year(), lastMonth, d->calendar->daysInMonth(ExtDate(date.year(), lastMonth, 1))); + + for (; day <= lastDay; day = d->calendar->addDays(day, 7 /*calendar->daysOfWeek()*/) ) + { + int year = 0; + QString week = i18n("Week %1").arg(d->calendar->weekNumber(day, &year)); + if ( year != date.year() ) week += "*"; // show that this is a week from a different year + d->selectWeek->insertItem(week); + } +} + +ExtDatePicker::ExtDatePicker(QWidget *parent, ExtDate dt, const char *name) + : QFrame(parent,name) +{ + init( dt ); +} + +ExtDatePicker::ExtDatePicker(QWidget *parent, ExtDate dt, const char *name, WFlags f) + : QFrame(parent,name, f) +{ + init( dt ); +} + +ExtDatePicker::ExtDatePicker( QWidget *parent, const char *name ) + : QFrame(parent,name) +{ + init( ExtDate::currentDate() ); +} + +void ExtDatePicker::init( const ExtDate &dt ) +{ + d = new ExtDatePickerPrivate(); + + d->calendar = new ExtCalendarSystemGregorian(); + + QBoxLayout * topLayout = new QVBoxLayout(this); + + d->navigationLayout = new QHBoxLayout(topLayout); + d->navigationLayout->addStretch(); + yearBackward = new QToolButton(this); + yearBackward->setAutoRaise(true); + d->navigationLayout->addWidget(yearBackward); + monthBackward = new QToolButton(this); + monthBackward ->setAutoRaise(true); + d->navigationLayout->addWidget(monthBackward); + d->navigationLayout->addSpacing(KDialog::spacingHint()); + + selectMonth = new QToolButton(this); + selectMonth ->setAutoRaise(true); + d->navigationLayout->addWidget(selectMonth); + selectYear = new QToolButton(this); + selectYear->setToggleButton(true); + selectYear->setAutoRaise(true); + d->navigationLayout->addWidget(selectYear); + d->navigationLayout->addSpacing(KDialog::spacingHint()); + + monthForward = new QToolButton(this); + monthForward ->setAutoRaise(true); + d->navigationLayout->addWidget(monthForward); + yearForward = new QToolButton(this); + yearForward ->setAutoRaise(true); + d->navigationLayout->addWidget(yearForward); + d->navigationLayout->addStretch(); + + line = new KLineEdit(this); + val = new ExtDateValidator(this); + table = new ExtDateTable(this); + fontsize = KGlobalSettings::generalFont().pointSize(); + if (fontsize == -1) + fontsize = QFontInfo(KGlobalSettings::generalFont()).pointSize(); + + fontsize++; // Make a little bigger + + d->selectWeek = new QComboBox(false, this); // read only week selection + d->todayButton = new QToolButton(this); + d->todayButton->setIconSet(SmallIconSet("today")); + + QToolTip::add(yearForward, i18n("Next year")); + QToolTip::add(yearBackward, i18n("Previous year")); + QToolTip::add(monthForward, i18n("Next month")); + QToolTip::add(monthBackward, i18n("Previous month")); + QToolTip::add(d->selectWeek, i18n("Select a week")); + QToolTip::add(selectMonth, i18n("Select a month")); + QToolTip::add(selectYear, i18n("Select a year")); + QToolTip::add(d->todayButton, i18n("Select the current day")); + + // ----- + setFontSize(fontsize); + line->setValidator(val); + line->installEventFilter( this ); + line->setReadOnly( true ); + + if ( QApplication::reverseLayout() ) + { + yearForward->setIconSet(BarIconSet(QString::fromLatin1("2leftarrow"))); + yearBackward->setIconSet(BarIconSet(QString::fromLatin1("2rightarrow"))); + monthForward->setIconSet(BarIconSet(QString::fromLatin1("1leftarrow"))); + monthBackward->setIconSet(BarIconSet(QString::fromLatin1("1rightarrow"))); + } + else + { + yearForward->setIconSet(BarIconSet(QString::fromLatin1("2rightarrow"))); + yearBackward->setIconSet(BarIconSet(QString::fromLatin1("2leftarrow"))); + monthForward->setIconSet(BarIconSet(QString::fromLatin1("1rightarrow"))); + monthBackward->setIconSet(BarIconSet(QString::fromLatin1("1leftarrow"))); + } + connect(table, SIGNAL(dateChanged(const ExtDate&)), SLOT(dateChangedSlot(const ExtDate&))); + connect(table, SIGNAL(tableClicked()), SLOT(tableClickedSlot())); + connect(monthForward, SIGNAL(clicked()), SLOT(monthForwardClicked())); + connect(monthBackward, SIGNAL(clicked()), SLOT(monthBackwardClicked())); + connect(yearForward, SIGNAL(clicked()), SLOT(yearForwardClicked())); + connect(yearBackward, SIGNAL(clicked()), SLOT(yearBackwardClicked())); + connect(d->selectWeek, SIGNAL(activated(int)), SLOT(weekSelected(int))); + connect(d->todayButton, SIGNAL(clicked()), SLOT(todayButtonClicked())); + connect(selectMonth, SIGNAL(clicked()), SLOT(selectMonthClicked())); + connect(selectYear, SIGNAL(toggled(bool)), SLOT(selectYearClicked())); + connect(line, SIGNAL(returnPressed()), SLOT(lineEnterPressed())); + table->setFocus(); + + + topLayout->addWidget(table); + + QBoxLayout * bottomLayout = new QHBoxLayout(topLayout); + bottomLayout->addWidget(d->todayButton); + bottomLayout->addWidget(line); + bottomLayout->addWidget(d->selectWeek); + + table->setDate(dt); + dateChangedSlot(dt); // needed because table emits changed only when newDate != oldDate +} + +ExtDatePicker::~ExtDatePicker() +{ + delete d; +} + +bool +ExtDatePicker::eventFilter(QObject *o, QEvent *e ) +{ + if ( e->type() == QEvent::KeyPress ) { + QKeyEvent *k = (QKeyEvent *)e; + + if ( (k->key() == Qt::Key_Prior) || + (k->key() == Qt::Key_Next) || + (k->key() == Qt::Key_Up) || + (k->key() == Qt::Key_Down) ) + { + QApplication::sendEvent( table, e ); + table->setFocus(); + return true; // eat event + } + } + return QFrame::eventFilter( o, e ); +} + +void +ExtDatePicker::resizeEvent(QResizeEvent* e) +{ + QWidget::resizeEvent(e); +} + +void +ExtDatePicker::dateChangedSlot(const ExtDate &date) +{ + kdDebug(298) << "ExtDatePicker::dateChangedSlot: date changed (" << date.year() << "/" << date.month() << "/" << date.day() << ")." << endl; + + +//must remain commented unless ExtDate gets added to kdelibs +// const ExtCalendarSystem * calendar = KGlobal::locale()->calendar(); + +// line->setText(KGlobal::locale()->formatDate(date, true)); + line->setText( date.toString( KGlobal::locale()->dateFormatShort() ) ); + selectMonth->setText(d->calendar->monthName(date, false)); + fillWeeksCombo(date); + + // calculate the item num in the week combo box; normalize selected day so as if 1.1. is the first day of the week + ExtDate firstDay(date.year(), 1, 1); + d->selectWeek->setCurrentItem((d->calendar->dayOfYear(date) + d->calendar->dayOfWeek(firstDay) - 2) / 7/*calendar->daysInWeek()*/); + + selectYear->setText(d->calendar->yearString(date, false)); + + emit(dateChanged(date)); +} + +void +ExtDatePicker::tableClickedSlot() +{ + kdDebug(298) << "ExtDatePicker::tableClickedSlot: table clicked." << endl; + emit(dateSelected(table->getDate())); + emit(tableClicked()); +} + +const ExtDate& +ExtDatePicker::getDate() const +{ + return table->getDate(); +} + +const ExtDate & +ExtDatePicker::date() const +{ + return table->getDate(); +} + +bool +ExtDatePicker::setDate(const ExtDate& date) +{ + if(date.isValid()) + { + table->setDate(date); // this also emits dateChanged() which then calls our dateChangedSlot() + return true; + } + else + { + kdDebug(298) << "ExtDatePicker::setDate: refusing to set invalid date." << endl; + return false; + } +} + +void +ExtDatePicker::monthForwardClicked() +{ + ExtDate temp; +// temp = KGlobal::locale()->calendar()->addMonths( table->getDate(), 1 ); + temp = d->calendar->addMonths( table->getDate(), 1 ); + setDate( temp ); +} + +void +ExtDatePicker::monthBackwardClicked() +{ + ExtDate temp; +// temp = KGlobal::locale()->calendar()->addMonths( table->getDate(), -1 ); + temp = d->calendar->addMonths( table->getDate(), -1 ); + setDate( temp ); +} + +void +ExtDatePicker::yearForwardClicked() +{ + ExtDate temp; +// temp = KGlobal::locale()->calendar()->addYears( table->getDate(), 1 ); + temp = d->calendar->addYears( table->getDate(), 1 ); + setDate( temp ); +} + +void +ExtDatePicker::yearBackwardClicked() +{ + ExtDate temp; +// temp = KGlobal::locale()->calendar()->addYears( table->getDate(), -1 ); + temp = d->calendar->addYears( table->getDate(), -1 ); + setDate( temp ); +} + +void ExtDatePicker::selectWeekClicked() {} // ### in 3.2 obsolete; kept for binary compatibility + +void +ExtDatePicker::weekSelected(int week) +{ +// const ExtCalendarSystem * calendar = KGlobal::locale()->calendar(); + + ExtDate date = table->getDate(); + int year = d->calendar->year(date); + + d->calendar->setYMD(date, year, 1, 1); // first day of selected year + + // calculate the first day in the selected week (day 1 is first day of week) + date = d->calendar->addDays(date, week * 7/*calendar->daysOfWeek()*/ -d->calendar->dayOfWeek(date) + 1); + + setDate(date); +} + +void +ExtDatePicker::selectMonthClicked() +{ + // every year can have different month names (in some calendar systems) +// const ExtCalendarSystem * calendar = KGlobal::locale()->calendar(); + ExtDate date = table->getDate(); + int i, month, months = d->calendar->monthsInYear(date); + + QPopupMenu popup(selectMonth); + + for (i = 1; i <= months; i++) + popup.insertItem(d->calendar->monthName(i, d->calendar->year(date)), i); + + popup.setActiveItem(d->calendar->month(date) - 1); + + if ( (month = popup.exec(selectMonth->mapToGlobal(QPoint(0, 0)), d->calendar->month(date) - 1)) == -1 ) return; // canceled + + int day = d->calendar->day(date); + // ----- construct a valid date in this month: + //date.setYMD(date.year(), month, 1); + //date.setYMD(date.year(), month, QMIN(day, date.daysInMonth())); + d->calendar->setYMD(date, d->calendar->year(date), month, + QMIN(day, d->calendar->daysInMonth(date))); + // ----- set this month + setDate(date); +} + +void +ExtDatePicker::selectYearClicked() +{ +// const ExtCalendarSystem * calendar = KGlobal::locale()->calendar(); + + if (selectYear->state() == QButton::Off) + { + return; + } + + int year; + KPopupFrame* popup = new KPopupFrame(this); + ExtDateInternalYearSelector* picker = new ExtDateInternalYearSelector(popup); + // ----- + picker->resize(picker->sizeHint()); + popup->setMainWidget(picker); + connect(picker, SIGNAL(closeMe(int)), popup, SLOT(close(int))); + picker->setFocus(); + if(popup->exec(selectYear->mapToGlobal(QPoint(0, selectMonth->height())))) + { + ExtDate date; + int day; + // ----- + year=picker->getYear(); + date=table->getDate(); + day=d->calendar->day(date); + // ----- construct a valid date in this month: + //date.setYMD(year, date.month(), 1); + //date.setYMD(year, date.month(), QMIN(day, date.daysInMonth())); + d->calendar->setYMD(date, year, d->calendar->month(date), + QMIN(day, d->calendar->daysInMonth(date))); + // ----- set this month + setDate(date); + } else { + KNotifyClient::beep(); + } + delete popup; +} + +void +ExtDatePicker::setEnabled(bool enable) +{ + QWidget *widgets[]= { + yearForward, yearBackward, monthForward, monthBackward, + selectMonth, selectYear, + line, table, d->selectWeek, d->todayButton }; + const int Size=sizeof(widgets)/sizeof(widgets[0]); + int count; + // ----- + for(count=0; count<Size; ++count) + { + widgets[count]->setEnabled(enable); + } +} + +void +ExtDatePicker::lineEnterPressed() +{ + ExtDate temp; + // ----- + if(val->date(line->text(), temp)==QValidator::Acceptable) + { + kdDebug(298) << "ExtDatePicker::lineEnterPressed: valid date entered." << endl; + emit(dateEntered(temp)); + setDate(temp); + } else { + KNotifyClient::beep(); + kdDebug(298) << "ExtDatePicker::lineEnterPressed: invalid date entered." << endl; + } +} + +void +ExtDatePicker::todayButtonClicked() +{ + setDate(ExtDate::currentDate()); +} + +QSize +ExtDatePicker::sizeHint() const +{ + return QWidget::sizeHint(); +} + +void +ExtDatePicker::setFontSize(int s) +{ + QWidget *buttons[]= { + // yearBackward, + // monthBackward, + selectMonth, + selectYear, + // monthForward, + // yearForward + }; + const int NoOfButtons=sizeof(buttons)/sizeof(buttons[0]); + int count; + QFont font; + QRect r; + // ----- + fontsize=s; + for(count=0; count<NoOfButtons; ++count) + { + font=buttons[count]->font(); + font.setPointSize(s); + buttons[count]->setFont(font); + } + QFontMetrics metrics(selectMonth->fontMetrics()); + + for (int i = 1; ; ++i) + { + QString str = d->calendar->monthName(i, + d->calendar->year(table->getDate()), false); + if (str.isNull()) break; + r=metrics.boundingRect(str); + maxMonthRect.setWidth(QMAX(r.width(), maxMonthRect.width())); + maxMonthRect.setHeight(QMAX(r.height(), maxMonthRect.height())); + } + + QSize metricBound = style().sizeFromContents(QStyle::CT_ToolButton, + selectMonth, + maxMonthRect); + selectMonth->setMinimumSize(metricBound); + + table->setFontSize(s); +} + +void +ExtDatePicker::setCloseButton( bool enable ) +{ + if ( enable == (d->closeButton != 0L) ) + return; + + if ( enable ) { + d->closeButton = new QToolButton( this ); + d->closeButton->setAutoRaise(true); + d->navigationLayout->addSpacing(KDialog::spacingHint()); + d->navigationLayout->addWidget(d->closeButton); + QToolTip::add(d->closeButton, i18n("Close")); + d->closeButton->setPixmap( SmallIcon("remove") ); + connect( d->closeButton, SIGNAL( clicked() ), + topLevelWidget(), SLOT( close() ) ); + } + else { + delete d->closeButton; + d->closeButton = 0L; + } + + updateGeometry(); +} + +bool ExtDatePicker::hasCloseButton() const +{ + return (d->closeButton != 0L); +} + +void ExtDatePicker::virtual_hook( int /*id*/, void* /*data*/ ) +{ /*BASE::virtual_hook( id, data );*/ } + |