Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdeedu@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

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 );*/ }
+