vcs.maemo.org Git - medard/blob - src/mainwindow.cpp

   1 /*
   2  *  Medard for Maemo.
   3  *  Copyright (C) 2011 Roman Moravcik
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #ifdef MEEGO_EDITION_HARMATTAN
  21 #include <MLayout>
  22 #include <MAction>
  23 #include <MWidgetAction>
  24 #include <MComboBox>
  25 #endif
  26
  27 #include <QtGui>
  28 #include <QSettings>
  29
  30 #include "aboutdialog.h"
  31 #include "mainwindow.h"
  32
  33 #ifdef MEEGO_EDITION_HARMATTAN
  34 MainWindow::MainWindow(QGraphicsItem *parent) : MApplicationPage(parent)
  35 {
  36     m_downloader = new MedardDownloader();
  37
  38     connect(m_downloader, SIGNAL(downloadFinished(const QString &, const QDateTime &)), this,
  39             SLOT(downloadedFinished(const QString &, const QDateTime &)));
  40     connect(m_downloader, SIGNAL(downloadFailed()), this, SLOT(downloadFailed()));
  41
  42     m_forecast = new ForecastWidget();
  43     m_forecast->setPreferredSize(m_downloader->imageSize());
  44
  45     m_forecastTypeLabel = new MLabel();
  46     m_forecastTypeLabel->setAlignment(Qt::AlignCenter);
  47     m_forecastTypeLabel->setPreferredSize(220, 80);
  48
  49     m_forecastInitialDateLabel = new MLabel();
  50     m_forecastInitialDateLabel->setAlignment(Qt::AlignCenter);
  51     m_forecastInitialDateLabel->setWordWrap(true);
  52 //    m_forecastInitialDateLabel->setDisabled(true);
  53
  54     m_forecastDateLabel = new MLabel();
  55     m_forecastDateLabel->setAlignment(Qt::AlignCenter);
  56     m_forecastDateLabel->setWordWrap(true);
  57
  58     m_downloadRetryButton = new MButton(tr("Download again"));
  59     m_downloadRetryButton->setPreferredWidth(220);
  60
  61     connect(m_downloadRetryButton, SIGNAL(clicked()), this, SLOT(downloadAgainClicked()));
  62
  63     m_minusDayButton = new MButton(tr("-1 d"));
  64     m_minusDayButton->setPreferredWidth(50);
  65     m_plusDayButton = new MButton(tr("+1 d"));
  66     m_plusDayButton->setPreferredWidth(50);
  67     m_minusHourButton = new MButton(tr("-1 h"));
  68     m_minusHourButton->setPreferredWidth(50);
  69     m_plusHourButton = new MButton(tr("+1 h"));
  70     m_plusHourButton->setPreferredWidth(50);
  71
  72     connect(m_minusDayButton, SIGNAL(clicked()), this, SLOT(minusDayClicked()));
  73     connect(m_plusDayButton, SIGNAL(clicked()), this, SLOT(plusDayClicked()));
  74     connect(m_minusHourButton, SIGNAL(clicked()), this, SLOT(minusHourClicked()));
  75     connect(m_plusHourButton, SIGNAL(clicked()), this, SLOT(plusHourClicked()));
  76
  77     setupUi();
  78     setupMenu();
  79
  80     loadSettings();
  81 }
  82 #else
  83 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
  84 {
  85     m_downloader = new MedardDownloader();
  86
  87     connect(m_downloader, SIGNAL(downloadFinished(const QString &, const QDateTime &)), this,
  88             SLOT(downloadedFinished(const QString &, const QDateTime &)));
  89     connect(m_downloader, SIGNAL(downloadFailed()), this, SLOT(downloadFailed()));
  90
  91     m_forecast = new ForecastWidget();
  92     m_forecast->setFixedSize(m_downloader->imageSize());
  93
  94     m_forecastTypeLabel = new QLabel();
  95     m_forecastTypeLabel->setAlignment(Qt::AlignCenter);
  96     m_forecastTypeLabel->setFixedSize(220, 80);
  97
  98     m_forecastInitialDateLabel = new QLabel();
  99     m_forecastInitialDateLabel->setAlignment(Qt::AlignCenter);
 100     m_forecastInitialDateLabel->setDisabled(true);
 101
 102     m_forecastDateLabel = new QLabel();
 103     m_forecastDateLabel->setAlignment(Qt::AlignCenter);
 104
 105     m_downloadRetryButton = new QPushButton(tr("Download again"));
 106
 107     connect(m_downloadRetryButton, SIGNAL(clicked()), this, SLOT(downloadAgainClicked()));
 108
 109     m_minusDayButton = new QPushButton(tr("-1 d"));
 110     m_plusDayButton = new QPushButton(tr("+1 d"));
 111     m_minusHourButton = new QPushButton(tr("-1 h"));
 112     m_plusHourButton = new QPushButton(tr("+1 h"));
 113
 114     connect(m_minusDayButton, SIGNAL(clicked()), this, SLOT(minusDayClicked()));
 115     connect(m_plusDayButton, SIGNAL(clicked()), this, SLOT(plusDayClicked()));
 116     connect(m_minusHourButton, SIGNAL(clicked()), this, SLOT(minusHourClicked()));
 117     connect(m_plusHourButton, SIGNAL(clicked()), this, SLOT(plusHourClicked()));
 118
 119     setupUi();
 120     setupMenu();
 121
 122     loadSettings();
 123 }
 124 #endif
 125
 126 MainWindow::~MainWindow()
 127 {
 128     delete m_downloader;
 129 }
 130
 131 #ifdef MEEGO_EDITION_HARMATTAN
 132 void MainWindow::setupUi()
 133 {
 134     setWindowTitle(tr("Medard"));
 135     setPannable(false);
 136
 137     QGraphicsLinearLayout *mainLayout = new QGraphicsLinearLayout(Qt::Horizontal);
 138     centralWidget()->setLayout(mainLayout);
 139
 140     mainLayout->addItem(m_forecast);
 141
 142     QGraphicsLinearLayout *layout = new QGraphicsLinearLayout(Qt::Vertical);
 143     mainLayout->addItem(layout);
 144
 145     layout->addItem(m_forecastTypeLabel);
 146     layout->addItem(m_forecastDateLabel);
 147     layout->addItem(m_forecastInitialDateLabel);
 148     layout->addItem(m_downloadRetryButton);
 149
 150     QGraphicsLinearLayout *dayNavigationBox = new QGraphicsLinearLayout(Qt::Horizontal);
 151     dayNavigationBox->addItem(m_minusDayButton);
 152     dayNavigationBox->addItem(m_plusDayButton);
 153     layout->addItem(dayNavigationBox);
 154
 155     QGraphicsLinearLayout *hourNavigationBox = new QGraphicsLinearLayout(Qt::Horizontal);
 156     hourNavigationBox->addItem(m_minusHourButton);
 157     hourNavigationBox->addItem(m_plusHourButton);
 158     layout->addItem(hourNavigationBox);
 159
 160     hideNavigationButtons(false);
 161 }
 162 #else
 163 void MainWindow::setupUi()
 164 {
 165 #ifdef Q_WS_MAEMO_5
 166     setAttribute(Qt::WA_Maemo5LandscapeOrientation, true);
 167 #endif
 168     setWindowTitle(tr("Medard"));
 169
 170     QWidget *widget = new QWidget;
 171     setCentralWidget(widget);
 172
 173     QHBoxLayout *mainLayout = new QHBoxLayout();
 174     mainLayout->setMargin(8);
 175     mainLayout->setSpacing(4);
 176     widget->setLayout(mainLayout);
 177
 178     mainLayout->addWidget(m_forecast);
 179     mainLayout->addSpacing(4);
 180
 181     QVBoxLayout *layout = new QVBoxLayout();
 182     mainLayout->addLayout(layout);
 183
 184     layout->addWidget(m_forecastTypeLabel);
 185     layout->addWidget(m_forecastDateLabel);
 186     layout->addSpacing(20);
 187     layout->addWidget(m_forecastInitialDateLabel);
 188     layout->addSpacing(20);
 189     layout->addWidget(m_downloadRetryButton);
 190
 191     QHBoxLayout *dayNavigationBox = new QHBoxLayout();
 192     dayNavigationBox->addWidget(m_minusDayButton);
 193     dayNavigationBox->addWidget(m_plusDayButton);
 194     layout->addLayout(dayNavigationBox);
 195
 196     QHBoxLayout *hourNavigationBox = new QHBoxLayout();
 197     hourNavigationBox->addWidget(m_minusHourButton);
 198     hourNavigationBox->addWidget(m_plusHourButton);
 199     layout->addLayout(hourNavigationBox);
 200
 201     hideNavigationButtons(false);
 202 }
 203 #endif
 204
 205 #ifdef MEEGO_EDITION_HARMATTAN
 206 void MainWindow::setupMenu()
 207 {
 208     QStringList forecastDomainList;
 209     forecastDomainList << tr("Europe")
 210                        << tr("Czech Republic");
 211
 212     MWidgetAction *forecastDomainAction = new MWidgetAction(centralWidget());
 213     forecastDomainAction->setLocation(MAction::ApplicationMenuLocation);
 214
 215     m_forecastDomainComboBox = new MComboBox;
 216     m_forecastDomainComboBox->setTitle(tr("Domain"));
 217     m_forecastDomainComboBox->setStyleName ("CommonComboBox");
 218     m_forecastDomainComboBox->setIconVisible(false);
 219     m_forecastDomainComboBox->addItems(forecastDomainList);
 220     forecastDomainAction->setWidget(m_forecastDomainComboBox);
 221     addAction(forecastDomainAction);
 222     connect(m_forecastDomainComboBox, SIGNAL(activated(int)), this, SLOT(forecastDomainChanged(int)));
 223
 224     QStringList forecastTypeList;
 225     forecastTypeList << tr("Sea Level Pressure")
 226                      << tr("Precipitation")
 227                      << tr("Wind Velocity")
 228                      << tr("Cloudiness")
 229                      << tr("Temperature");
 230
 231     MWidgetAction *forecastTypeAction = new MWidgetAction(centralWidget());
 232     forecastTypeAction->setLocation(MAction::ApplicationMenuLocation);
 233
 234     m_forecastTypeComboBox = new MComboBox;
 235     m_forecastTypeComboBox->setTitle(tr("Forecast"));
 236     m_forecastTypeComboBox->setStyleName ("CommonComboBox");
 237     m_forecastTypeComboBox->setIconVisible(false);
 238     m_forecastTypeComboBox->addItems(forecastTypeList);
 239     forecastTypeAction->setWidget(m_forecastTypeComboBox);
 240     addAction(forecastTypeAction);
 241     connect(m_forecastTypeComboBox, SIGNAL(activated(int)), this, SLOT(forecastTypeChanged(int)));
 242
 243     MAction *seaLevelPreasureAction = new MAction("icon-m-weather-cloudy", "", this);
 244     seaLevelPreasureAction->setLocation(MAction::ToolBarLocation);
 245     addAction(seaLevelPreasureAction);
 246     connect(seaLevelPreasureAction, SIGNAL(triggered()), this, SLOT(seaLevelPreasureMenuClicked()));
 247
 248     MAction *precipitationAction = new MAction("icon-m-weather-rain", "", this);
 249     precipitationAction->setLocation(MAction::ToolBarLocation);
 250     addAction(precipitationAction);
 251     connect(precipitationAction, SIGNAL(triggered()), this, SLOT(precipitationMenuClicked()));
 252
 253     MAction *cloudinessAction = new MAction("icon-m-weather-partly-sunny", "", this);
 254     cloudinessAction->setLocation(MAction::ToolBarLocation);
 255     addAction(cloudinessAction);
 256     connect(cloudinessAction, SIGNAL(triggered()), this, SLOT(cloudinessMenuClicked()));
 257
 258     MAction *temperatureAction = new MAction("icon-m-weather-hot", "", this);
 259     temperatureAction->setLocation(MAction::ToolBarLocation);
 260     addAction(temperatureAction);
 261     connect(temperatureAction, SIGNAL(triggered()), this, SLOT(temperatureMenuClicked()));
 262
 263     MAction *aboutAction = new MAction(this);
 264     aboutAction->setText(tr("About"));
 265     aboutAction->setLocation(MAction::ApplicationMenuLocation);
 266     addAction(aboutAction);
 267     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutMenuClicked()));
 268 }
 269 #else
 270 void MainWindow::setupMenu()
 271 {
 272     QMenuBar *menu = new QMenuBar();
 273     setMenuBar(menu);
 274
 275     m_domainActionGroup = new QActionGroup(this);
 276     m_domainActionGroup->setExclusive(true);
 277
 278     QAction *domainAction;
 279     domainAction = new QAction(tr("Europe"), m_domainActionGroup);
 280     domainAction->setCheckable(true);
 281     domainAction = new QAction(tr("Czech Republic"), m_domainActionGroup);
 282     domainAction ->setCheckable(true);
 283     menu->addActions(m_domainActionGroup->actions());
 284     connect(m_domainActionGroup, SIGNAL(triggered(QAction *)), this, SLOT(forecastDomainChanged(QAction *)));
 285
 286     QAction *seaLevelPreasureAction = new QAction(tr("Sea Level Pressure"), this);
 287     menu->addAction(seaLevelPreasureAction);
 288     connect(seaLevelPreasureAction, SIGNAL(triggered()), this, SLOT(seaLevelPreasureMenuClicked()));
 289
 290     QAction *precipitationAction = new QAction(tr("Precipitation"), this);
 291     menu->addAction(precipitationAction);
 292     connect(precipitationAction, SIGNAL(triggered()), this, SLOT(precipitationMenuClicked()));
 293
 294     QAction *windVelocityAction = new QAction(tr("Wind Velocity"), this);
 295     menu->addAction(windVelocityAction);
 296     connect(windVelocityAction, SIGNAL(triggered()), this, SLOT(windVelocityMenuClicked()));
 297
 298     QAction *cloudinessAction = new QAction(tr("Cloudiness"), this);
 299     menu->addAction(cloudinessAction);
 300     connect(cloudinessAction, SIGNAL(triggered()), this, SLOT(cloudinessMenuClicked()));
 301
 302     QAction *temperatureAction = new QAction(tr("Temperature"), this);
 303     menu->addAction(temperatureAction);
 304     connect(temperatureAction, SIGNAL(triggered()), this, SLOT(temperatureMenuClicked()));
 305
 306     QAction *aboutAction = new QAction(tr("About"), this);
 307     menu->addAction(aboutAction);
 308     connect(aboutAction, SIGNAL(triggered()), this, SLOT(aboutMenuClicked()));
 309 }
 310 #endif
 311
 312 void MainWindow::loadSettings()
 313 {
 314     QSettings settings;
 315
 316     int forecastDomain = settings.value("ForecastDomain").toInt();
 317     int forecastType = settings.value("ForecastType").toInt();
 318
 319     m_downloader->setForecastDomain((MedardDownloader::ForecastDomain) forecastDomain);
 320 #ifdef MEEGO_EDITION_HARMATTAN
 321     m_forecastDomainComboBox->setCurrentIndex(forecastDomain);
 322 #else
 323     m_domainActionGroup->actions().at(forecastDomain)->setChecked(true);
 324 #endif
 325
 326     switch ((MedardDownloader::ForecastType) forecastType) {
 327         case MedardDownloader::SeaLevelPressure:
 328             seaLevelPreasureMenuClicked();
 329             break;
 330
 331         case MedardDownloader::Precipitation:
 332             precipitationMenuClicked();
 333             break;
 334
 335         case MedardDownloader::WindVelocity:
 336             windVelocityMenuClicked();
 337             break;
 338
 339         case MedardDownloader::Cloudiness:
 340             cloudinessMenuClicked();
 341             break;
 342
 343         case MedardDownloader::Temperature:
 344             temperatureMenuClicked();
 345             break;
 346     }
 347 }
 348
 349 void MainWindow::showNavigationButtons()
 350 {
 351     m_downloadRetryButton->hide();
 352
 353     m_minusDayButton->show();
 354     m_plusDayButton->show();
 355     m_minusHourButton->show();
 356     m_plusHourButton->show();
 357 }
 358
 359 void MainWindow::hideNavigationButtons(bool showRetryButton)
 360 {
 361     if (showRetryButton)
 362         m_downloadRetryButton->show();
 363     else
 364         m_downloadRetryButton->hide();
 365
 366     m_minusDayButton->hide();
 367     m_plusDayButton->hide();
 368     m_minusHourButton->hide();
 369     m_plusHourButton->hide();
 370 }
 371
 372 void MainWindow::updateNavigationButtons()
 373 {
 374     if ((m_downloader->forecastDateOffset() - 24) < m_downloader->minForecastDateOffset()) {
 375 //        m_minusDayButton->setDisabled(true);
 376 //        m_plusDayButton->setDisabled(false);
 377     } else if ((m_downloader->forecastDateOffset() + 24) > m_downloader->maxForecastDateOffset()) {
 378 //        m_minusDayButton->setDisabled(false);
 379 //        m_plusDayButton->setDisabled(true);
 380     } else {
 381 //        m_minusDayButton->setDisabled(false);
 382 //        m_plusDayButton->setDisabled(false);
 383     }
 384
 385     if ((m_downloader->forecastDateOffset() - 1) < m_downloader->minForecastDateOffset()) {
 386 //        m_minusHourButton->setDisabled(true);
 387 //        m_plusHourButton->setDisabled(false);
 388     } else if ((m_downloader->forecastDateOffset() + 1) > m_downloader->maxForecastDateOffset()) {
 389 //        m_minusHourButton->setDisabled(false);
 390 //        m_plusHourButton->setDisabled(true);
 391     } else {
 392 //        m_minusHourButton->setDisabled(false);
 393 //        m_plusHourButton->setDisabled(false);
 394     }
 395 }
 396
 397 void MainWindow::setForecastType(const QString label, MedardDownloader::ForecastType type)
 398 {
 399     m_forecastTypeLabel->setText(label);
 400     m_forecast->clearImage(false);
 401     m_downloader->setForecastType(type);
 402     m_downloader->downloadImage();
 403
 404     QSettings settings;
 405     settings.setValue("ForecastType", type);
 406 }
 407
 408 void MainWindow::setForecastDateOffset(int offset)
 409 {
 410     m_forecast->clearImage(false);
 411     m_downloader->setForecastDateOffset(m_downloader->forecastDateOffset() + offset);
 412     m_downloader->downloadImage();
 413 }
 414
 415 void MainWindow::seaLevelPreasureMenuClicked()
 416 {
 417 #ifdef MEEGO_EDITION_HARMATTAN
 418     m_forecastTypeComboBox->setCurrentIndex(MedardDownloader::SeaLevelPressure);
 419 #endif
 420     setForecastType(tr("Sea Level Pressure"), MedardDownloader::SeaLevelPressure);
 421 }
 422
 423 void MainWindow::precipitationMenuClicked()
 424 {
 425 #ifdef MEEGO_EDITION_HARMATTAN
 426     m_forecastTypeComboBox->setCurrentIndex(MedardDownloader::Precipitation);
 427 #endif
 428     setForecastType(tr("Precipitation"), MedardDownloader::Precipitation);
 429 }
 430
 431 void MainWindow::windVelocityMenuClicked()
 432 {
 433 #ifdef MEEGO_EDITION_HARMATTAN
 434     m_forecastTypeComboBox->setCurrentIndex(MedardDownloader::WindVelocity);
 435 #endif
 436     setForecastType(tr("Wind Velocity"), MedardDownloader::WindVelocity);
 437 }
 438
 439 void MainWindow::cloudinessMenuClicked()
 440 {
 441 #ifdef MEEGO_EDITION_HARMATTAN
 442     m_forecastTypeComboBox->setCurrentIndex(MedardDownloader::Cloudiness);
 443 #endif
 444     setForecastType(tr("Cloudiness"), MedardDownloader::Cloudiness);
 445 }
 446
 447 void MainWindow::temperatureMenuClicked()
 448 {
 449 #ifdef MEEGO_EDITION_HARMATTAN
 450     m_forecastTypeComboBox->setCurrentIndex(MedardDownloader::Temperature);
 451 #endif
 452     setForecastType(tr("Temperature"), MedardDownloader::Temperature);
 453 }
 454
 455 void MainWindow::aboutMenuClicked()
 456 {
 457     AboutDialog *dialog = new AboutDialog();
 458 #ifdef MEEGO_EDITION_HARMATTAN
 459     dialog->appear(MSceneWindow::DestroyWhenDismissed);
 460 #else
 461     dialog->exec();
 462 #endif
 463 }
 464
 465 void MainWindow::downloadAgainClicked()
 466 {
 467     m_forecast->clearImage(false);
 468     m_downloader->downloadImage();
 469
 470     hideNavigationButtons(false);
 471 }
 472
 473 void MainWindow::plusDayClicked()
 474 {
 475     setForecastDateOffset(+24);
 476 }
 477
 478 void MainWindow::minusDayClicked()
 479 {
 480     setForecastDateOffset(-24);
 481 }
 482
 483 void MainWindow::plusHourClicked()
 484 {
 485     setForecastDateOffset(+1);
 486 }
 487
 488 void MainWindow::minusHourClicked()
 489 {
 490     setForecastDateOffset(-1);
 491 }
 492
 493 #ifdef MEEGO_EDITION_HARMATTAN
 494 void MainWindow::forecastDomainChanged(int index)
 495 {
 496     m_forecast->clearImage(false);
 497
 498     if (index == 0)
 499         m_downloader->setForecastDomain(MedardDownloader::Europe);
 500     else
 501         m_downloader->setForecastDomain(MedardDownloader::CzechRepublic);
 502
 503     m_downloader->downloadImage();
 504
 505     QSettings settings;
 506     settings.setValue("ForecastDomain", index);
 507 }
 508
 509 void MainWindow::forecastTypeChanged(int index)
 510 {
 511     switch ((MedardDownloader::ForecastType) index) {
 512         case MedardDownloader::SeaLevelPressure:
 513             setForecastType(tr("Sea Level Pressure"), MedardDownloader::SeaLevelPressure);
 514             break;
 515
 516         case MedardDownloader::Precipitation:
 517             setForecastType(tr("Precipitation"), MedardDownloader::Precipitation);
 518             break;
 519
 520         case MedardDownloader::WindVelocity:
 521             setForecastType(tr("Wind Velocity"), MedardDownloader::WindVelocity);
 522             break;
 523
 524         case MedardDownloader::Cloudiness:
 525             setForecastType(tr("Cloudiness"), MedardDownloader::Cloudiness);
 526             break;
 527
 528         case MedardDownloader::Temperature:
 529             setForecastType(tr("Temperature"), MedardDownloader::Temperature);
 530             break;
 531     }
 532 }
 533
 534 #else
 535 void MainWindow::forecastDomainChanged(QAction *action)
 536 {
 537     int forecastDomain = m_domainActionGroup->actions().indexOf(action);
 538
 539     m_forecast->clearImage(false);
 540
 541     if (forecastDomain == 0)
 542         m_downloader->setForecastDomain(MedardDownloader::Europe);
 543     else
 544         m_downloader->setForecastDomain(MedardDownloader::CzechRepublic);
 545
 546     m_downloader->downloadImage();
 547
 548     QSettings settings;
 549     settings.setValue("ForecastDomain", forecastDomain);
 550 }
 551 #endif
 552
 553 void MainWindow::downloadedFinished(const QString &filename, const QDateTime &date)
 554 {
 555     m_forecast->setImage(filename);
 556     m_forecastInitialDateLabel->setText(tr("Forecast from:\n") +
 557                                           m_downloader->forecastInitialDate().toString("dd.MM.yyyy hh:mm"));
 558
 559     /* upcase the first letter of name of day */
 560     QString temp = date.toString("dddd\ndd.MM.yyyy hh:mm");
 561     m_forecastDateLabel->setText(temp.replace(0, 1, temp.at(0).toUpper()));
 562
 563     showNavigationButtons();
 564     updateNavigationButtons();
 565 }
 566
 567 void MainWindow::downloadFailed()
 568 {
 569     m_forecast->clearImage(true);
 570     m_forecastInitialDateLabel->setText("");
 571     m_forecastDateLabel->setText("");
 572
 573     hideNavigationButtons(true);
 574 }