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koffice/kplato/kptcalendarpanel.cc

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/* This file is part of the KDE project
Copyright (C) 1997 Tim D. Gilman (tdgilman@best.org)
(C) 1998-2001 Mirko Boehm (mirko@kde.org)
(C) 2004 Dag Andersen <danders@get2net.dk>
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.
*/
/* This is based on KDatePicker. */
#include "kptcalendarpanel.h"
#include "kptdatetable.h"
#include "kptcalendar.h"
#include <kglobal.h>
#include <kapplication.h>
#include <klocale.h>
#include <kcalendarsystem.h>
#include <kiconloader.h>
#include <tqframe.h>
#include <tqpainter.h>
#include <tqdialog.h>
#include <tqstyle.h>
#include <tqtoolbutton.h>
#include <tqtooltip.h>
#include <tqfont.h>
#include <klineedit.h>
#include <tqvalidator.h>
#include <kdebug.h>
#include <knotifyclient.h>
namespace KPlato
{
class CalendarPanel::CalendarPanelPrivate
{
public:
CalendarPanelPrivate() : closeButton(0L), selectWeek(0L) {}
TQToolButton *closeButton;
TQToolButton *selectWeek;
};
CalendarPanel::CalendarPanel(TQWidget *tqparent, TQDate dt, const char *name, WFlags f)
: TQFrame(tqparent,name, f)
{
init( dt );
}
CalendarPanel::CalendarPanel( TQWidget *tqparent, const char *name )
: TQFrame(tqparent,name)
{
init( TQDate::tqcurrentDate() );
}
void CalendarPanel::init( const TQDate &dt )
{
yearForward = new TQToolButton(this);
yearBackward = new TQToolButton(this);
monthForward = new TQToolButton(this);
monthBackward = new TQToolButton(this);
selectMonth = new TQToolButton(this);
selectYear = new TQToolButton(this);
line = new KLineEdit(this);
val = new DateValidator(this);
table = new DateTable(this, dt, "Calendar table", 0);
fontsize = 10;
d = new CalendarPanelPrivate();
d->selectWeek = new TQToolButton( this );
TQToolTip::add(yearForward, i18n("Next year"));
TQToolTip::add(yearBackward, i18n("Previous year"));
TQToolTip::add(monthForward, i18n("Next month"));
TQToolTip::add(monthBackward, i18n("Previous month"));
TQToolTip::add(d->selectWeek, i18n("Select a week"));
TQToolTip::add(selectMonth, i18n("Select a month"));
TQToolTip::add(selectYear, i18n("Select a year"));
// -----
setFontSize(10);
line->setValidator(val);
line->installEventFilter( this );
yearForward->setPixmap(BarIcon(TQString::tqfromLatin1("2rightarrow")));
yearBackward->setPixmap(BarIcon(TQString::tqfromLatin1("2leftarrow")));
monthForward->setPixmap(BarIcon(TQString::tqfromLatin1("1rightarrow")));
monthBackward->setPixmap(BarIcon(TQString::tqfromLatin1("1leftarrow")));
setDate(dt); // set button texts
connect(table, TQT_SIGNAL(dateChanged(TQDate)), TQT_SLOT(dateChangedSlot(TQDate)));
connect(table, TQT_SIGNAL(tableClicked()), TQT_SLOT(tableClickedSlot()));
connect(monthForward, TQT_SIGNAL(clicked()), TQT_SLOT(monthForwardClicked()));
connect(monthBackward, TQT_SIGNAL(clicked()), TQT_SLOT(monthBackwardClicked()));
connect(yearForward, TQT_SIGNAL(clicked()), TQT_SLOT(yearForwardClicked()));
connect(yearBackward, TQT_SIGNAL(clicked()), TQT_SLOT(yearBackwardClicked()));
connect(d->selectWeek, TQT_SIGNAL(clicked()), TQT_SLOT(selectWeekClicked()));
connect(selectMonth, TQT_SIGNAL(clicked()), TQT_SLOT(selectMonthClicked()));
connect(selectYear, TQT_SIGNAL(clicked()), TQT_SLOT(selectYearClicked()));
connect(line, TQT_SIGNAL(returnPressed()), TQT_SLOT(lineEnterPressed()));
connect(table, TQT_SIGNAL(weekdaySelected(int)), TQT_SLOT(slotWeekdaySelected(int)));
connect(table, TQT_SIGNAL(weekSelected(int, int)), TQT_SLOT(slotWeekSelected(int, int)));
connect(table, TQT_SIGNAL(selectionCleared()), TQT_SLOT(slotSelectionCleared()));
table->setFocus();
}
CalendarPanel::~CalendarPanel()
{
delete d;
}
bool
CalendarPanel::eventFilter(TQObject *o, TQEvent *e )
{
if ( e->type() == TQEvent::KeyPress ) {
TQKeyEvent *k = (TQKeyEvent *)e;
if ( (k->key() == TQt::Key_Prior) ||
(k->key() == TQt::Key_Next) ||
(k->key() == TQt::Key_Up) ||
(k->key() == TQt::Key_Down) )
{
TQApplication::sendEvent( table, e );
table->setFocus();
return TRUE; // eat event
}
}
return TQFrame::eventFilter( o, e );
}
void
CalendarPanel::resizeEvent(TQResizeEvent*)
{
TQWidget *buttons[] = {
yearBackward,
monthBackward,
selectMonth,
selectYear,
monthForward,
yearForward,
d->closeButton
};
const int NoOfButtons=sizeof(buttons)/sizeof(buttons[0]);
TQSize sizes[NoOfButtons];
int buttonHeight=0;
int count;
int w=0;
int x=0;
// ----- calculate button row height:
for(count=0; count<NoOfButtons; ++count) {
if ( buttons[count] ) { // closeButton may be 0L
sizes[count]=buttons[count]->tqsizeHint();
buttonHeight=TQMAX(buttonHeight, sizes[count].height());
}
else
sizes[count] = TQSize(0,0); // closeButton
}
// ----- calculate size of the month button:
for(count=0; count<NoOfButtons; ++count) {
if(buttons[count]==selectMonth) {
TQSize metricBound = tqstyle().tqsizeFromContents(TQStyle::CT_ToolButton, selectMonth, maxMonthRect);
sizes[count].setWidth(TQMAX(metricBound.width(), maxMonthRect.width()+2*TQApplication::tqstyle().tqpixelMetric(TQStyle::PM_ButtonMargin)));
}
}
// ----- center buttons
w=0;
for(count=0; count<NoOfButtons; ++count)
{
w +=sizes[count].width();
}
x = (TQMAX(w, width())-w)/2;
// ----- place the buttons:
for(count=0; count<NoOfButtons; ++count)
{
w=sizes[count].width();
if ( buttons[count] )
buttons[count]->setGeometry(x, 0, w, buttonHeight);
x+=w;
}
// ----- place the line edit for direct input:
sizes[0]=line->tqsizeHint();
int week_width=d->selectWeek->fontMetrics().width(i18n("Week XX"))+((d->closeButton != 0L) ? 50 : 20);
line->setGeometry(0, height()-sizes[0].height(), width()-week_width, sizes[0].height());
d->selectWeek->setGeometry(width()-week_width, height()-sizes[0].height(), week_width, sizes[0].height());
// ----- adjust the table:
table->setGeometry(0, buttonHeight, width(),
height()-buttonHeight-sizes[0].height());
}
void
CalendarPanel::dateChangedSlot(TQDate date)
{
//kdDebug() << "CalendarPanel::dateChangedSlot: date changed (" << date.year() << "/" << date.month() << "/" << date.day() << ")." << endl;
line->setText(KGlobal::locale()->formatDate(date, true));
d->selectWeek->setText(i18n("Week %1").tqarg(weekOfYear(date)));
selectMonth->setText(KGlobal::locale()->calendar()->monthName(date.month(), false));
selectYear->setText(date.toString("yyyy"));
emit(dateChanged(date));
}
void
CalendarPanel::tableClickedSlot()
{
//kdDebug() << "CalendarPanel::tableClickedSlot: table clicked." << endl;
emit(dateSelected(table->getDate()));
emit(tableClicked());
}
const TQDate&
CalendarPanel::getDate() const
{
return table->getDate();
}
const TQDate &
CalendarPanel::date() const
{
return table->getDate();
}
bool
CalendarPanel::setDate(const TQDate& date)
{
if(date.isValid()) {
TQString temp;
// -----
table->setDate(date);
d->selectWeek->setText(i18n("Week %1").tqarg(weekOfYear(date)));
selectMonth->setText(KGlobal::locale()->calendar()->monthName(date.month(), false));
temp.setNum(date.year());
selectYear->setText(temp);
line->setText(KGlobal::locale()->formatDate(date, true));
return true;
} else {
kdDebug() << "CalendarPanel::setDate: refusing to set invalid date." << endl;
return false;
}
}
void
CalendarPanel::monthForwardClicked()
{
setDate( table->getDate().addMonths(1) );
}
void
CalendarPanel::monthBackwardClicked()
{
setDate( table->getDate().addMonths(-1) );
}
void
CalendarPanel::yearForwardClicked()
{
setDate( table->getDate().addYears(1) );
}
void
CalendarPanel::yearBackwardClicked()
{
setDate( table->getDate().addYears(-1) );
}
void
CalendarPanel::selectWeekClicked()
{
int week;
PopupFrame* popup = new PopupFrame(this);
DateInternalWeekSelector* picker = new DateInternalWeekSelector(fontsize, popup);
// -----
picker->resize(picker->tqsizeHint());
popup->setMainWidget(picker);
connect(picker, TQT_SIGNAL(closeMe(int)), popup, TQT_SLOT(close(int)));
picker->setFocus();
if(popup->exec(d->selectWeek->mapToGlobal(TQPoint(0, d->selectWeek->height()))))
{
TQDate date;
int year;
// -----
week=picker->getWeek();
date=table->getDate();
year=date.year();
// ----- find the first selectable day in this week (hacky solution :)
date.setYMD(year, 1, 1);
while (weekOfYear(date)>50)
date=date.addDays(1);
while (weekOfYear(date)<week && (week!=53 || (week==53 &&
(weekOfYear(date)!=52 || weekOfYear(date.addDays(1))!=1))))
date=date.addDays(1);
if (week==53 && weekOfYear(date)==52)
while (weekOfYear(date.addDays(-1))==52)
date=date.addDays(-1);
// ----- set this date
setDate(date);
} else {
KNotifyClient::beep();
}
delete popup;
}
void
CalendarPanel::selectMonthClicked()
{
int month;
PopupFrame* popup = new PopupFrame(this);
DateInternalMonthPicker* picker = new DateInternalMonthPicker(fontsize, popup);
// -----
picker->resize(picker->tqsizeHint());
popup->setMainWidget(picker);
picker->setFocus();
connect(picker, TQT_SIGNAL(closeMe(int)), popup, TQT_SLOT(close(int)));
if(popup->exec(selectMonth->mapToGlobal(TQPoint(0, selectMonth->height()))))
{
TQDate date;
int day;
// -----
month=picker->getResult();
date=table->getDate();
day=date.day();
// ----- construct a valid date in this month:
date.setYMD(date.year(), month, 1);
date.setYMD(date.year(), month, TQMIN(day, date.daysInMonth()));
// ----- set this month
setDate(date);
} else {
KNotifyClient::beep();
}
delete popup;
}
void
CalendarPanel::selectYearClicked()
{
int year;
PopupFrame* popup = new PopupFrame(this);
DateInternalYearSelector* picker = new DateInternalYearSelector(fontsize, popup);
// -----
picker->resize(picker->tqsizeHint());
popup->setMainWidget(picker);
connect(picker, TQT_SIGNAL(closeMe(int)), popup, TQT_SLOT(close(int)));
picker->setFocus();
if(popup->exec(selectYear->mapToGlobal(TQPoint(0, selectMonth->height()))))
{
TQDate date;
int day;
// -----
year=picker->getYear();
date=table->getDate();
day=date.day();
// ----- construct a valid date in this month:
date.setYMD(year, date.month(), 1);
date.setYMD(year, date.month(), TQMIN(day, date.daysInMonth()));
// ----- set this month
setDate(date);
} else {
KNotifyClient::beep();
}
delete popup;
}
void
CalendarPanel::setEnabled(bool enable)
{
TQWidget *widgets[]= {
yearForward, yearBackward, monthForward, monthBackward,
selectMonth, selectYear,
line, table, d->selectWeek };
const int Size=sizeof(widgets)/sizeof(widgets[0]);
int count;
// -----
for(count=0; count<Size; ++count)
{
widgets[count]->setEnabled(enable);
}
table->setEnabled(enable);
}
void
CalendarPanel::lineEnterPressed()
{
TQDate temp;
// -----
if(val->date(line->text(), temp)==TQValidator::Acceptable)
{
//kdDebug() << "CalendarPanel::lineEnterPressed: valid date entered." << endl;
emit(dateEntered(temp));
setDate(temp);
} else {
KNotifyClient::beep();
//kdDebug() << "CalendarPanel::lineEnterPressed: invalid date entered." << endl;
}
}
TQSize
CalendarPanel::tqsizeHint() const
{
TQSize tableSize=table->tqsizeHint();
TQWidget *buttons[]={
yearBackward,
monthBackward,
selectMonth,
selectYear,
monthForward,
yearForward,
d->closeButton
};
const int NoOfButtons=sizeof(buttons)/sizeof(buttons[0]);
TQSize sizes[NoOfButtons];
int cx=0, cy=0, count;
// ----- store the size hints:
for(count=0; count<NoOfButtons; ++count) {
if ( buttons[count] )
sizes[count]=buttons[count]->tqsizeHint();
else
sizes[count] = TQSize(0,0);
if(buttons[count]==selectMonth) {
TQSize metricBound = tqstyle().tqsizeFromContents(TQStyle::CT_ToolButton, selectMonth, maxMonthRect);
cx+=TQMAX(metricBound.width(), maxMonthRect.width()+2*TQApplication::tqstyle().tqpixelMetric(TQStyle::PM_ButtonMargin));
} else {
cx+=sizes[count].width();
}
cy=TQMAX(sizes[count].height(), cy);
}
// ----- calculate width hint:
cx=TQMAX(cx, tableSize.width()); // line edit ignored
// ----- calculate height hint:
cy+=tableSize.height()+line->tqsizeHint().height();
return TQSize(cx, cy);
}
void
CalendarPanel::setFontSize(int s)
{
TQWidget *buttons[]= {
// yearBackward,
// monthBackward,
selectMonth,
selectYear,
// monthForward,
// yearForward
};
const int NoOfButtons=sizeof(buttons)/sizeof(buttons[0]);
int count;
TQFont font;
TQRect r;
// -----
fontsize=s;
for(count=0; count<NoOfButtons; ++count)
{
font=buttons[count]->font();
font.setPointSize(s);
buttons[count]->setFont(font);
}
TQFontMetrics metrics(selectMonth->fontMetrics());
for(int i=1; i <= 12; ++i)
{ // maxMonthRect is used by tqsizeHint()
r=metrics.boundingRect(KGlobal::locale()->calendar()->monthName(i, false));
maxMonthRect.setWidth(TQMAX(r.width(), maxMonthRect.width()));
maxMonthRect.setHeight(TQMAX(r.height(), maxMonthRect.height()));
}
table->setFontSize(s);
}
void
CalendarPanel::setCloseButton( bool enable )
{
if ( enable == (d->closeButton != 0L) )
return;
if ( enable ) {
d->closeButton = new TQToolButton( this );
TQToolTip::add(d->closeButton, i18n("Close"));
d->closeButton->setPixmap( SmallIcon("remove") );
connect( d->closeButton, TQT_SIGNAL( clicked() ),
tqtopLevelWidget(), TQT_SLOT( close() ) );
}
else {
delete d->closeButton;
d->closeButton = 0L;
}
updateGeometry();
}
bool CalendarPanel::hasCloseButton() const
{
return (d->closeButton != 0L);
}
int CalendarPanel::weekOfYear(TQDate date)
{
// Calculate ISO 8601 week number (taken from glibc/Gnumeric)
int year, week, wday, jan1wday, nextjan1wday;
TQDate jan1date, nextjan1date;
year=date.year();
wday=date.dayOfWeek();
jan1date=TQDate(year,1,1);
jan1wday=jan1date.dayOfWeek();
week = (date.dayOfYear()-1 + jan1wday-1)/7 + ((jan1wday-1) == 0 ? 1 : 0);
/* Does date belong to last week of previous year? */
if ((week == 0) && (jan1wday > 4 /*THURSDAY*/)) {
TQDate tmpdate=TQDate(year-1,12,31);
return weekOfYear(tmpdate);
}
if ((jan1wday <= 4 /*THURSDAY*/) && (jan1wday > 1 /*MONDAY*/))
week++;
if (week == 53) {
nextjan1date=TQDate(year+1, 1, 1);
nextjan1wday = nextjan1date.dayOfWeek();
if (nextjan1wday <= 4 /*THURSDAY*/)
week = 1;
}
return week;
}
void CalendarPanel::slotWeekdaySelected(int day) {
//kdDebug()<<k_funcinfo<<endl;
emit weekdaySelected(day);
}
void CalendarPanel::slotWeekSelected(int week, int year) {
//kdDebug()<<k_funcinfo<<endl;
emit weekSelected(week, year);
}
void CalendarPanel::setCalendar(Calendar *cal) {
//kdDebug()<<k_funcinfo<<endl;
table->clear();
if (cal) {
table->setMarkedWeekdays(cal->weekdaysMap());
TQPtrListIterator<CalendarDay> it = cal->days();
//kdDebug()<<k_funcinfo<<"Days="<<it.count()<<endl;
for (; it.current(); ++it) {
if (it.current()->state() != Map::None) {
table->addMarkedDate(it.current()->date(), it.current()->state());
//kdDebug()<<k_funcinfo<<"Added day: "<<it.current()->date().toString()<<"="<<it.current()->state()<<endl;
}
}
setEnabled(true);
table->setFocus();
}
}
DateMap CalendarPanel::selectedDates() {
return table->selectedDates();
}
IntMap CalendarPanel::selectedWeekdays() {
return table->selectedWeekdays();
}
DateMap CalendarPanel::markedDates() {
return table->markedDates();
}
IntMap CalendarPanel::markedWeekdays() {
return table->markedWeekdays();
}
void CalendarPanel::clear() {
table->clear();
setEnabled(false);
}
void CalendarPanel::markSelected(int state) {
table->markSelected(state);
}
void CalendarPanel::slotSelectionCleared() {
emit selectionCleared();
}
void CalendarPanel::virtual_hook( int /*id*/, void* /*data*/ )
{ /*BASE::virtual_hook( id, data );*/ }
} //KPlato namespace
#include "kptcalendarpanel.moc"