/**
* Add data from database into list view.
*/
void CountriesListScreen::addDataToListView()
{
// Clear data from map.
mCountryMap.clear();
// Create first section.
NativeUI::ListViewSection* section = NULL;
MAUtil::String sectionTitle("A");
// For each country read create and add an ListViewItem widget.
int countCountries = mDatabase.countCountries();
for (int index = 0; index < countCountries; index++)
{
// If index is invalid skip this country.
Country* country = mDatabase.getCountryByIndex(index);
if (!country)
{
continue;
}
// If country's name is an empty string skip this country.
MAUtil::String countryName = country->getName();
if (countryName.length() == 0)
{
continue;
}
// Check if current country can go into current section.
if (!section || countryName[0] != sectionTitle[0])
{
// Create new section.
sectionTitle[0] = countryName[0];
section = new NativeUI::ListViewSection(
NativeUI::LIST_VIEW_SECTION_TYPE_ALPHABETICAL);
section->setTitle(sectionTitle);
section->setHeaderText(sectionTitle);
mListView->addChild(section);
}
// Create and add list item for this country.
NativeUI::ListViewItem* item = new NativeUI::ListViewItem();
item->setText(countryName);
item->setFontColor(COLOR_WHITE);
item->setSelectionStyle(NativeUI::LIST_VIEW_ITEM_SELECTION_STYLE_GRAY);
item->setIcon(country->getFlagID());
section->addItem(item);
mCountryMap.insert(item->getWidgetHandle(), country->getID());
}
}
/**
* Read a given country file.
* Data will be added into mCountries.
* @param countryFileName File name to read.
*/
void DatabaseManager::readCountryFile(MAUtil::String& countryFileName)
{
// Open and read file content.
MAUtil::String filePath = mFileUtil->getLocalPath() + countryFileName;
MAUtil::String fileContent;
if (!mFileUtil->readTextFromFile(filePath, fileContent))
{
printf("Cannot read text from %s", filePath.c_str());
return;
}
// Extract JSON values.
MAUtil::YAJLDom::Value* root = MAUtil::YAJLDom::parse(
(const unsigned char*)fileContent.c_str(), fileContent.size());
MAUtil::String name = root->getValueForKey(sCountryNameKey)->toString();
int flagID = root->getValueForKey(sCountryFlagIDKey)->toInt();
MAUtil::String population = root->getValueForKey(sCountryPopulationKey)->toString();
MAUtil::String area = root->getValueForKey(sCountryAreaKey)->toString();
MAUtil::String languages = root->getValueForKey(sCountryLanguagesKey)->toString();
MAUtil::String government = root->getValueForKey(sCountryGovernmentKey)->toString();
MAUtil::String capital = root->getValueForKey(sCountryCapitalKey)->toString();
// Create and fill Country object with read data.
Country* country = new Country();
country->setName(name);
country->setFlagID(flagID);
country->setPopulation(population);
country->setArea(area);
country->setLanguages(languages);
country->setGovernment(government);
country->setCapital(capital);
// Add object to map and array.
mCountriesMap.insert(country->getID(), country);
mCountriesArray.add(country);
// Delete JSON root object.
delete root;
}
