landmarkadddialog.cpp Example File

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 #include <QListWidgetItem>
 #include <qlandmarkcategory.h>
 #include <QMessageBox>

 #include <qlandmarkmanager.h>

 #include "landmarkadddialog.h"

 LandmarkAddDialog::LandmarkAddDialog(QWidget *parent, Qt::WindowFlags flags, const QLandmark &landmark)
     : QDialog(parent, flags)
 {
     setupUi(this);
     if (landmark != QLandmark()) {
         setWindowTitle("Edit Landmark");

         lm = landmark;
         nameLineEdit->setText(landmark.name());
         latitudeLineEdit->setText(QString::number(landmark.coordinate().latitude()));
         longitudeLineEdit->setText(QString::number(landmark.coordinate().longitude()));
         streetLineEdit->setText(landmark.address().street());
         districtLineEdit->setText(landmark.address().district());
         cityLineEdit->setText(landmark.address().city());
         countyLineEdit->setText(landmark.address().county());
         stateLineEdit->setText(landmark.address().state());
         countryLineEdit->setText(landmark.address().country());
         descriptionLineEdit->setText(landmark.description());
         iconUrlLineEdit->setText(landmark.iconUrl().toString());
         urlLineEdit->setText(landmark.url().toString());
         phoneLineEdit->setText(landmark.phoneNumber());
         radiusLineEdit->setText(QString::number(landmark.radius()));
     } else {
         setWindowTitle("Add Landmark");
     }

     QLandmarkManager manager;
     QList<QLandmarkCategory> categories = manager.categories();

     foreach( QLandmarkCategory category, categories) {
         QListWidgetItem  *categoryItem = new QListWidgetItem(categoryList,QListWidgetItem::UserType + 1);
         categoryItem->setData(Qt::DisplayRole,category.name());
         QVariant var;
         var.setValue(category.categoryId());
         categoryItem->setData(Qt::UserRole, var);
         categoryItem->setFlags(Qt::ItemIsEnabled);
         if (landmark.categoryIds().contains(category.categoryId()))
             categoryItem->setCheckState(Qt::Checked);
         else
             categoryItem->setCheckState(Qt::Unchecked);
     }

     categoryList->setMinimumHeight(categories.count()
                                    * (categoryList->sizeHintForRow(0) + categoryList->spacing())
                                    + categoryList->frameWidth() *2);
     QObject::connect(categoryList, SIGNAL(itemPressed(QListWidgetItem *)),
             this, SLOT(categoryPressed(QListWidgetItem *)));
 }

 LandmarkAddDialog::~LandmarkAddDialog()
 {
     delete categoryList;
     categoryList =0;
 }

 QLandmark LandmarkAddDialog::landmark()
 {
     return lm;
 }

 void LandmarkAddDialog::accept()
 {
     bool ok;
     double latitude = this->latitudeLineEdit->text().toDouble(&ok);
     if (!ok || latitude < -90.0 || latitude > 90.0 || !(latitude == latitude)) {
         QMessageBox::warning(this, "Invalid latitude", "Latitude must be between -90 and 90 degrees",
                                 QMessageBox::Ok, QMessageBox::NoButton);
         return;
     }

     double longitude = this->longitudeLineEdit->text().toDouble(&ok);
     if (!ok || longitude < -180.0 || longitude > 180.0 || !(longitude == longitude)) {
         QMessageBox::warning(this, "Invalid longitude", "Longitude must be between -180 and 180 degrees",
                              QMessageBox::Ok, QMessageBox::NoButton);
         return;
     }

     QGeoCoordinate coordinate;
     coordinate.setLatitude(latitude);
     coordinate.setLongitude(longitude);
     lm.setCoordinate(coordinate);
     lm.setName(nameLineEdit->text());
     QGeoAddress address = lm.address();
     address.setStreet(streetLineEdit->text());
     address.setDistrict(districtLineEdit->text());
     address.setCity(cityLineEdit->text());
     address.setCounty(countyLineEdit->text());
     address.setState(stateLineEdit->text());
     address.setCountry(countryLineEdit->text());
     lm.setAddress(address);
     lm.setDescription(descriptionLineEdit->text());
     lm.setIconUrl(QUrl(iconUrlLineEdit->text()));
     lm.setUrl(QUrl(urlLineEdit->text()));
     lm.setPhoneNumber(phoneLineEdit->text());
     lm.setRadius(radiusLineEdit->text().toDouble());
     lm.setCategoryIds(QList<QLandmarkCategoryId>());
     for (int i=0; i < categoryList->count(); ++i) {
         if (categoryList->item(i)->checkState() == Qt::Checked) {
             lm.addCategoryId(categoryList->item(i)->data(Qt::UserRole).value<QLandmarkCategoryId>());
         }
     }

     QDialog::accept();
 }

 void LandmarkAddDialog::reject()
 {
     lm.clear();
     QDialog::reject();
 }

 void LandmarkAddDialog::categoryPressed(QListWidgetItem *item)
 {
     //the purpose of this function is to ensure that when the item is pressed
     //anywhere the checkbox will toggle (previously only clicking the box
     //itself would cause a toggle)
     if (item->checkState() == Qt::Checked)
         item->setCheckState(Qt::Unchecked);
     else
         item->setCheckState(Qt::Checked);
 }