korganizer/datenavigatorcontainer.cpp

   1 /*
   2   This file is part of KOrganizer.
   3
   4   Copyright (c) 2001,2002,2003 Cornelius Schumacher <schumacher@kde.org>
   5   Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
   6
   7   Copyright (C) 2010 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.net>
   8   Author: Sergio Martins <sergio@kdab.com>
   9
  10   This program is free software; you can redistribute it and/or modify
  11   it under the terms of the GNU General Public License as published by
  12   the Free Software Foundation; either version 2 of the License, or
  13   (at your option) any later version.
  14
  15   This program is distributed in the hope that it will be useful,
  16   but WITHOUT ANY WARRANTY; without even the implied warranty of
  17   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18   GNU General Public License for more details.
  19
  20   You should have received a copy of the GNU General Public License along
  21   with this program; if not, write to the Free Software Foundation, Inc.,
  22   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  23
  24   As a special exception, permission is given to link this program
  25   with any edition of Qt, and distribute the resulting executable,
  26   without including the source code for Qt in the source distribution.
  27 */
  28
  29 #include "datenavigatorcontainer.h"
  30 #include "kdatenavigator.h"
  31 #include "kodaymatrix.h"
  32 #include "koglobals.h"
  33 #include "navigatorbar.h"
  34
  35 #include <KCalendarSystem>
  36
  37 #include <QTimer>
  38
  39 DateNavigatorContainer::DateNavigatorContainer(QWidget *parent)
  40     : QFrame(parent),
  41       mHorizontalCount(1), mVerticalCount(1),
  42       mIgnoreNavigatorUpdates(false)
  43 {
  44     mNavigatorView = new KDateNavigator(this);
  45     mNavigatorView->setWhatsThis(
  46         i18n("<qt><p>Select the dates you want to "
  47              "display in KOrganizer's main view here. Hold the "
  48              "mouse button to select more than one day.</p>"
  49              "<p>Press the top buttons to browse to the next "
  50              "/ previous months or years.</p>"
  51              "<p>Each line shows a week. The number in the left "
  52              "column is the number of the week in the year. "
  53              "Press it to select the whole week.</p>"
  54              "</qt>"));
  55
  56     connectNavigatorView(mNavigatorView);
  57 }
  58
  59 DateNavigatorContainer::~DateNavigatorContainer()
  60 {
  61     qDeleteAll(mExtraViews);
  62 }
  63
  64 void DateNavigatorContainer::connectNavigatorView(KDateNavigator *v)
  65 {
  66     connect(v, SIGNAL(datesSelected(KCalCore::DateList)),
  67             SLOT(handleDatesSelectedSignal(KCalCore::DateList)));
  68
  69     connect(v, SIGNAL(incidenceDropped(Akonadi::Item,QDate)),
  70             SIGNAL(incidenceDropped(Akonadi::Item,QDate)));
  71     connect(v, SIGNAL(incidenceDroppedMove(Akonadi::Item,QDate)),
  72             SIGNAL(incidenceDroppedMove(Akonadi::Item,QDate)));
  73
  74     connect(v, SIGNAL(newEventSignal(QDate)),
  75             SIGNAL(newEventSignal(QDate)));
  76     connect(v, SIGNAL(newTodoSignal(QDate)),
  77             SIGNAL(newTodoSignal(QDate)));
  78     connect(v, SIGNAL(newJournalSignal(QDate)),
  79             SIGNAL(newJournalSignal(QDate)));
  80
  81     connect(v, SIGNAL(weekClicked(QDate,QDate)),
  82             SLOT(handleWeekClickedSignal(QDate,QDate)));
  83
  84     connect(v, SIGNAL(goPrevious()), SIGNAL(goPrevious()));
  85     connect(v, SIGNAL(goNext()), SIGNAL(goNext()));
  86
  87     connect(v, SIGNAL(nextYearClicked()), SIGNAL(nextYearClicked()));
  88     connect(v, SIGNAL(prevYearClicked()), SIGNAL(prevYearClicked()));
  89
  90     connect(v, SIGNAL(prevMonthClicked()), SLOT(goPrevMonth()));
  91     connect(v, SIGNAL(nextMonthClicked()), SLOT(goNextMonth()));
  92
  93     connect(v, SIGNAL(monthSelected(int)), SIGNAL(monthSelected(int)));
  94     connect(v, SIGNAL(yearSelected(int)), SIGNAL(yearSelected(int)));
  95 }
  96
  97 void DateNavigatorContainer::setCalendar(const Akonadi::ETMCalendar::Ptr &calendar)
  98 {
  99     mCalendar = calendar;
 100     mNavigatorView->setCalendar(calendar);
 101     foreach (KDateNavigator *n, mExtraViews) {
 102         if (n) {
 103             n->setCalendar(calendar);
 104         }
 105     }
 106 }
 107
 108 // TODO_Recurrence: let the navigators update just once, and tell them that
 109 // if data has changed or just the selection (because then the list of dayss
 110 // with events doesn't have to be updated if the month stayed the same
 111 void DateNavigatorContainer::updateDayMatrix()
 112 {
 113     mNavigatorView->updateDayMatrix();
 114     foreach (KDateNavigator *n, mExtraViews) {
 115         if (n) {
 116             n->updateDayMatrix();
 117         }
 118     }
 119 }
 120
 121 void DateNavigatorContainer::updateToday()
 122 {
 123     mNavigatorView->updateToday();
 124     foreach (KDateNavigator *n, mExtraViews) {
 125         if (n) {
 126             n->updateToday();
 127         }
 128     }
 129 }
 130
 131 void DateNavigatorContainer::setUpdateNeeded()
 132 {
 133     mNavigatorView->setUpdateNeeded();
 134     foreach (KDateNavigator *n, mExtraViews) {
 135         if (n) {
 136             n->setUpdateNeeded();
 137         }
 138     }
 139 }
 140
 141 void DateNavigatorContainer::updateView()
 142 {
 143     mNavigatorView->updateView();
 144     foreach (KDateNavigator *n, mExtraViews) {
 145         if (n) {
 146             n->setUpdateNeeded();
 147         }
 148     }
 149 }
 150
 151 void DateNavigatorContainer::updateConfig()
 152 {
 153     mNavigatorView->updateConfig();
 154     foreach (KDateNavigator *n, mExtraViews) {
 155         if (n) {
 156             n->updateConfig();
 157         }
 158     }
 159 }
 160
 161 void DateNavigatorContainer::selectDates(const KCalCore::DateList &dateList,
 162         const QDate &preferredMonth)
 163 {
 164     if (!dateList.isEmpty()) {
 165         QDate start(dateList.first());
 166         QDate end(dateList.last());
 167         QDate navfirst(mNavigatorView->startDate());
 168         QDate navsecond; // start of the second shown month if existent
 169         QDate navlast;
 170         if (!mExtraViews.isEmpty()) {
 171             navlast = mExtraViews.last()->endDate();
 172             navsecond = mExtraViews.first()->startDate();
 173         } else {
 174             navlast = mNavigatorView->endDate();
 175             navsecond = navfirst;
 176         }
 177
 178         const KCalendarSystem *calSys = KOGlobals::self()->calendarSystem();
 179
 180         // If the datelist crosses months we won't know which month to show
 181         // so we read what's in preferredMonth
 182         const bool changingMonth =
 183             (preferredMonth.isValid()  &&
 184              calSys->month(mNavigatorView->month()) != calSys->month(preferredMonth));
 185
 186         if (start < navfirst ||  // <- start should always be visible
 187                 // end is not visible and we have a spare month at the beginning:
 188                 (end > navlast && start >= navsecond) ||
 189                 changingMonth) {
 190
 191             if (preferredMonth.isValid()) {
 192                 setBaseDates(preferredMonth);
 193             } else {
 194                 setBaseDates(start);
 195             }
 196         }
 197
 198         if (!mIgnoreNavigatorUpdates) {
 199             mNavigatorView->selectDates(dateList);
 200             foreach (KDateNavigator *n, mExtraViews) {
 201                 if (n) {
 202                     n->selectDates(dateList);
 203                 }
 204             }
 205         }
 206     }
 207 }
 208
 209 void DateNavigatorContainer::setBaseDates(const QDate &start)
 210 {
 211     QDate baseDate = start;
 212     if (!mIgnoreNavigatorUpdates) {
 213         mNavigatorView->setBaseDate(baseDate);
 214     }
 215
 216     foreach (KDateNavigator *n, mExtraViews) {
 217         baseDate = KOGlobals::self()->calendarSystem()->addMonths(baseDate, 1);
 218         if (!mIgnoreNavigatorUpdates) {
 219             n->setBaseDate(baseDate);
 220         }
 221     }
 222 }
 223
 224 void DateNavigatorContainer::resizeEvent(QResizeEvent *)
 225 {
 226 #if 0
 227     qCDebug(KORGANIZER_LOG) << "DateNavigatorContainer::resizeEvent()";
 228     qCDebug(KORGANIZER_LOG) << "  CURRENT SIZE:" << size();
 229     qCDebug(KORGANIZER_LOG) << "  MINIMUM SIZEHINT:" << minimumSizeHint();
 230     qCDebug(KORGANIZER_LOG) << "  SIZEHINT:" << sizeHint();
 231     qCDebug(KORGANIZER_LOG) << "  MINIMUM SIZE:" << minimumSize();
 232 #endif
 233     QTimer::singleShot(0, this, SLOT(resizeAllContents()));
 234 }
 235
 236 void DateNavigatorContainer::resizeAllContents()
 237 {
 238     QSize minSize = mNavigatorView->minimumSizeHint();
 239
 240 //  qCDebug(KORGANIZER_LOG) << "  NAVIGATORVIEW minimumSizeHint:" << minSize;
 241
 242     int verticalCount = size().height() / minSize.height();
 243     int horizontalCount = size().width() / minSize.width();
 244
 245     if (horizontalCount != mHorizontalCount || verticalCount != mVerticalCount) {
 246         int count = horizontalCount * verticalCount;
 247         if (count == 0) {
 248             return;
 249         }
 250
 251         while (count > (mExtraViews.count() + 1)) {
 252             KDateNavigator *n = new KDateNavigator(this);
 253             mExtraViews.append(n);
 254             n->setCalendar(mCalendar);
 255             connectNavigatorView(n);
 256         }
 257
 258         while (count < (mExtraViews.count() + 1)) {
 259             delete(mExtraViews.last());
 260             mExtraViews.removeLast();
 261         }
 262
 263         mHorizontalCount = horizontalCount;
 264         mVerticalCount = verticalCount;
 265         setBaseDates(mNavigatorView->selectedDates().first());
 266         selectDates(mNavigatorView->selectedDates());
 267         foreach (KDateNavigator *n, mExtraViews) {
 268             if (n) {
 269                 n->show();
 270             }
 271         }
 272     }
 273
 274     int height = size().height() / verticalCount;
 275     int width = size().width() / horizontalCount;
 276
 277     NavigatorBar *bar = mNavigatorView->navigatorBar();
 278     if (horizontalCount > 1) {
 279         bar->showButtons(true, false);
 280     } else {
 281         bar->showButtons(true, true);
 282     }
 283
 284     mNavigatorView->setGeometry((((KOGlobals::self()->reverseLayout()) ?
 285                                   (horizontalCount - 1) : 0) * width),
 286                                 0, width, height);
 287     for (int i = 0; i < mExtraViews.count(); ++i) {
 288         int x = (i + 1) % horizontalCount;
 289         int y = (i + 1) / horizontalCount;
 290
 291         KDateNavigator *view = mExtraViews.at(i);
 292         bar = view->navigatorBar();
 293         if (y > 0) {
 294             bar->showButtons(false, false);
 295         } else {
 296             if (x + 1 == horizontalCount) {
 297                 bar->showButtons(false, true);
 298             } else {
 299                 bar->showButtons(false, false);
 300             }
 301         }
 302         view->setGeometry((((KOGlobals::self()->reverseLayout()) ?
 303                             (horizontalCount - 1 - x) : x) * width),
 304                           y * height, width, height);
 305
 306     }
 307 }
 308
 309 QSize DateNavigatorContainer::minimumSizeHint() const
 310 {
 311     return mNavigatorView->minimumSizeHint();
 312 }
 313
 314 QSize DateNavigatorContainer::sizeHint() const
 315 {
 316     return mNavigatorView->sizeHint();
 317 }
 318
 319 void DateNavigatorContainer::setHighlightMode(bool highlightEvents,
 320         bool highlightTodos,
 321         bool highlightJournals) const
 322 {
 323
 324     mNavigatorView->setHighlightMode(highlightEvents, highlightTodos, highlightJournals);
 325
 326     foreach (KDateNavigator *n, mExtraViews) {
 327         if (n) {
 328             n->setHighlightMode(highlightEvents, highlightTodos, highlightJournals);
 329         }
 330     }
 331
 332 }
 333
 334 void DateNavigatorContainer::goNextMonth()
 335 {
 336     const QPair<QDate, QDate> p = dateLimits(1);
 337
 338     emit nextMonthClicked(mNavigatorView->month(),
 339                           p.first,
 340                           p.second);
 341 }
 342
 343 void DateNavigatorContainer::goPrevMonth()
 344 {
 345     const QPair<QDate, QDate> p = dateLimits(-1);
 346
 347     emit prevMonthClicked(mNavigatorView->month(),
 348                           p.first,
 349                           p.second);
 350 }
 351
 352 QPair<QDate, QDate> DateNavigatorContainer::dateLimits(int offset) const
 353 {
 354     const KCalendarSystem *calSys = KOGlobals::self()->calendarSystem();
 355     QDate firstMonth, lastMonth;
 356     if (mExtraViews.isEmpty()) {
 357         lastMonth = mNavigatorView->month();
 358     } else {
 359         lastMonth = mExtraViews.last()->month();
 360     }
 361
 362     firstMonth = calSys->addMonths(mNavigatorView->month(), offset);
 363     lastMonth = calSys->addMonths(lastMonth, offset);
 364
 365     QPair<QDate, QDate> firstMonthBoundary = KODayMatrix::matrixLimits(firstMonth);
 366     QPair<QDate, QDate> lastMonthBoundary = KODayMatrix::matrixLimits(lastMonth);
 367
 368     return qMakePair(firstMonthBoundary.first, lastMonthBoundary.second);
 369 }
 370
 371 QDate DateNavigatorContainer::monthOfNavigator(int navigatorIndex) const
 372 {
 373     if (navigatorIndex == 0) {
 374         return mNavigatorView->month();
 375     }
 376
 377     if (navigatorIndex <= mExtraViews.count() && navigatorIndex >= 0) {
 378         return mExtraViews[navigatorIndex - 1]->month();
 379     } else {
 380         return QDate();
 381     }
 382 }
 383
 384 void DateNavigatorContainer::handleDatesSelectedSignal(const KCalCore::DateList &dateList)
 385 {
 386     Q_ASSERT(sender());
 387     // When we have more than one KDateNavigator, both can have the
 388     // same selection ( because they can share weeks )
 389     // The month that we send in the datesSelected() signal should be
 390     // the one belonging to the KDatenavigator with the earliest month
 391     const QDate firstDate = dateList.first();
 392     KDateNavigator *navigator = firstNavigatorForDate(firstDate);
 393     navigator = navigator ? navigator : qobject_cast<KDateNavigator *>(sender());
 394
 395     emit datesSelected(dateList, navigator->month());
 396 }
 397
 398 void DateNavigatorContainer::handleWeekClickedSignal(const QDate &week, const QDate &)
 399 {
 400     Q_ASSERT(sender());
 401     KDateNavigator *navigator = firstNavigatorForDate(week);
 402     navigator = navigator ? navigator : qobject_cast<KDateNavigator *>(sender());
 403
 404     emit weekClicked(week, navigator->month());
 405 }
 406
 407 KDateNavigator *DateNavigatorContainer::firstNavigatorForDate(const QDate &date) const
 408 {
 409     KDateNavigator *navigator = Q_NULLPTR;
 410     if (date.isValid()) {
 411         QPair<QDate, QDate> limits = KODayMatrix::matrixLimits(mNavigatorView->month());
 412
 413         if (date >= limits.first && date <= limits.second) {
 414             // The date is in the first navigator
 415             navigator = mNavigatorView;
 416         } else {
 417             foreach (KDateNavigator *nav, mExtraViews) {
 418                 if (nav) {
 419                     limits = KODayMatrix::matrixLimits(nav->month());
 420                     if (date >= limits.first && date <= limits.second) {
 421                         navigator = nav;
 422                         break;
 423                     }
 424                 }
 425             }
 426         }
 427     }
 428
 429     return navigator;
 430 }
 431