summaryrefslogtreecommitdiffstats
path: root/libtdeedu/extdate/extdatepicker.cpp
blob: 62186fde06a6b98330a7fa777a2c3f276a90b9b2 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
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 <tqlayout.h>
#include <tqstyle.h>
#include <tqtoolbutton.h>
#include <tqtooltip.h>
#include <tqpopupmenu.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);

    TQToolButton *closeButton;
    TQComboBox *selectWeek;
    TQToolButton *todayButton;
    TQBoxLayout *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 tdelibs
//  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;
    TQString week = i18n("Week %1").tqarg(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(TQWidget *parent, ExtDate dt, const char *name)
  : TQFrame(parent,name)
{
  init( dt );
}

ExtDatePicker::ExtDatePicker(TQWidget *parent, ExtDate dt, const char *name, WFlags f)
  : TQFrame(parent,name, f)
{
  init( dt );
}

ExtDatePicker::ExtDatePicker( TQWidget *parent, const char *name )
  : TQFrame(parent,name)
{
  init( ExtDate::currentDate() );
}

void ExtDatePicker::init( const ExtDate &dt )
{
  d = new ExtDatePickerPrivate();

  d->calendar = new ExtCalendarSystemGregorian();

  TQBoxLayout * topLayout = new TQVBoxLayout(this);

  d->navigationLayout = new TQHBoxLayout(topLayout);
  d->navigationLayout->addStretch();
  yearBackward = new TQToolButton(this);
  yearBackward->setAutoRaise(true);
  d->navigationLayout->addWidget(yearBackward);
  monthBackward = new TQToolButton(this);
  monthBackward ->setAutoRaise(true);
  d->navigationLayout->addWidget(monthBackward);
  d->navigationLayout->addSpacing(KDialog::spacingHint());

  selectMonth = new TQToolButton(this);
  selectMonth ->setAutoRaise(true);
  d->navigationLayout->addWidget(selectMonth);
  selectYear = new TQToolButton(this);
  selectYear->setToggleButton(true);
  selectYear->setAutoRaise(true);
  d->navigationLayout->addWidget(selectYear);
  d->navigationLayout->addSpacing(KDialog::spacingHint());

  monthForward = new TQToolButton(this);
  monthForward ->setAutoRaise(true);
  d->navigationLayout->addWidget(monthForward);
  yearForward = new TQToolButton(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 = TQFontInfo(KGlobalSettings::generalFont()).pointSize();

  fontsize++; // Make a little bigger

  d->selectWeek = new TQComboBox(false, this);  // read only week selection
  d->todayButton = new TQToolButton(this);
  d->todayButton->setIconSet(SmallIconSet("today"));

  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"));
  TQToolTip::add(d->todayButton, i18n("Select the current day"));

  // -----
  setFontSize(fontsize);
  line->setValidator(val);
  line->installEventFilter( this );
  line->setReadOnly( true );

  if (  TQApplication::reverseLayout() )
  {
      yearForward->setIconSet(BarIconSet(TQString::fromLatin1("2leftarrow")));
      yearBackward->setIconSet(BarIconSet(TQString::fromLatin1("2rightarrow")));
      monthForward->setIconSet(BarIconSet(TQString::fromLatin1("1leftarrow")));
      monthBackward->setIconSet(BarIconSet(TQString::fromLatin1("1rightarrow")));
  }
  else
  {
      yearForward->setIconSet(BarIconSet(TQString::fromLatin1("2rightarrow")));
      yearBackward->setIconSet(BarIconSet(TQString::fromLatin1("2leftarrow")));
      monthForward->setIconSet(BarIconSet(TQString::fromLatin1("1rightarrow")));
      monthBackward->setIconSet(BarIconSet(TQString::fromLatin1("1leftarrow")));
  }
  connect(table, TQT_SIGNAL(dateChanged(const ExtDate&)), TQT_SLOT(dateChangedSlot(const ExtDate&)));
  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(activated(int)), TQT_SLOT(weekSelected(int)));
  connect(d->todayButton, TQT_SIGNAL(clicked()), TQT_SLOT(todayButtonClicked()));
  connect(selectMonth, TQT_SIGNAL(clicked()), TQT_SLOT(selectMonthClicked()));
  connect(selectYear, TQT_SIGNAL(toggled(bool)), TQT_SLOT(selectYearClicked()));
  connect(line, TQT_SIGNAL(returnPressed()), TQT_SLOT(lineEnterPressed()));
  table->setFocus();


  topLayout->addWidget(table);

  TQBoxLayout * bottomLayout = new TQHBoxLayout(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(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
ExtDatePicker::resizeEvent(TQResizeEvent* e)
{
  TQWidget::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 tdelibs
//    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);

  TQPopupMenu 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(TQPoint(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, TQMIN(day, date.daysInMonth()));
  d->calendar->setYMD(date, d->calendar->year(date), month,
                   TQMIN(day, d->calendar->daysInMonth(date)));
  // ----- set this month
  setDate(date);
}

void
ExtDatePicker::selectYearClicked()
{
//  const ExtCalendarSystem * calendar = KGlobal::locale()->calendar();

  if (selectYear->state() == TQButton::Off)
  {
    return;
  }

  int year;
  KPopupFrame* popup = new KPopupFrame(this);
  ExtDateInternalYearSelector* picker = new ExtDateInternalYearSelector(popup);
  // -----
  picker->resize(picker->sizeHint());
  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()))))
    {
      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(), TQMIN(day, date.daysInMonth()));
      d->calendar->setYMD(date, year, d->calendar->month(date),
                       TQMIN(day, d->calendar->daysInMonth(date)));
      // ----- set this month
      setDate(date);
    } else {
      KNotifyClient::beep();
    }
  delete popup;
}

void
ExtDatePicker::setEnabled(bool enable)
{
  TQWidget *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)==TQValidator::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());
}

TQSize
ExtDatePicker::sizeHint() const
{
  return TQWidget::sizeHint();
}

void
ExtDatePicker::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)
    {
      TQString str = d->calendar->monthName(i,
         d->calendar->year(table->getDate()), false);
      if (str.isNull()) break;
      r=metrics.boundingRect(str);
      maxMonthRect.setWidth(TQMAX(r.width(), maxMonthRect.width()));
      maxMonthRect.setHeight(TQMAX(r.height(),  maxMonthRect.height()));
    }

  TQSize metricBound = tqstyle().tqsizeFromContents(TQStyle::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 TQToolButton( this );
        d->closeButton->setAutoRaise(true);
        d->navigationLayout->addSpacing(KDialog::spacingHint());
        d->navigationLayout->addWidget(d->closeButton);
        TQToolTip::add(d->closeButton, i18n("Close"));
        d->closeButton->setPixmap( SmallIcon("remove") );
        connect( d->closeButton, TQT_SIGNAL( clicked() ),
                 topLevelWidget(), TQT_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 );*/ }