Rev 91 | Rev 99 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1 | |||
| 91 | Werner | 2 | #include <QtCore> |
| 3 | #include <QtSql> |
||
| 4 | #include "global.h" |
||
| 90 | Werner | 5 | #include "speciesset.h" |
| 91 | Werner | 6 | #include "species.h" |
| 90 | Werner | 7 | |
| 8 | SpeciesSet::SpeciesSet() |
||
| 9 | { |
||
| 91 | Werner | 10 | mSetupQuery = 0; |
| 90 | Werner | 11 | } |
| 91 | Werner | 12 | |
| 13 | SpeciesSet::~SpeciesSet() |
||
| 14 | { |
||
| 15 | clear(); |
||
| 16 | } |
||
| 17 | |||
| 18 | void SpeciesSet::clear() |
||
| 19 | { |
||
| 20 | qDeleteAll(mSpecies.values()); |
||
| 21 | mSpecies.clear(); |
||
| 22 | } |
||
| 23 | |||
| 24 | |||
| 25 | /** loads active species from a database table and creates/setups the species. |
||
| 26 | The function uses the global database-connection. |
||
| 27 | */ |
||
| 28 | int SpeciesSet::loadFromDatabase(const QString &tableName) |
||
| 29 | { |
||
| 30 | QSqlQuery query(GlobalSettings::instance()->dbin()); |
||
| 31 | mSetupQuery = &query; |
||
| 32 | QString sql = QString("select * from %1").arg(tableName); |
||
| 33 | query.exec(sql); |
||
| 34 | clear(); |
||
| 35 | qDebug() << "attempting to load a species set from" << tableName; |
||
| 36 | while (query.next()) { |
||
| 37 | if (var("active").toInt()==0) |
||
| 38 | continue; |
||
| 39 | |||
| 40 | Species *s = new Species(this); // create |
||
| 41 | // call setup routine (which call SpeciesSet::var() to retrieve values |
||
| 42 | s->setup(); |
||
| 43 | |||
| 44 | mSpecies.insert(s->id(), s); // store |
||
| 45 | } // while query.next() |
||
| 46 | qDebug() << "loaded" << mSpecies.count() << "active species:"; |
||
| 47 | qDebug() << mSpecies.keys(); |
||
| 48 | |||
| 49 | mSetupQuery = 0; |
||
| 50 | return mSpecies.count(); |
||
| 51 | |||
| 52 | } |
||
| 53 | /** retrieves variables from the datasource available during the setup of species. |
||
| 54 | */ |
||
| 55 | QVariant SpeciesSet::var(const QString& varName) |
||
| 56 | { |
||
| 94 | Werner | 57 | Q_ASSERT(mSetupQuery!=0); |
| 91 | Werner | 58 | |
| 59 | int idx = mSetupQuery->record().indexOf(varName); |
||
| 60 | if (idx>=0) |
||
| 61 | return mSetupQuery->value(idx); |
||
| 62 | // lookup in defaults |
||
| 63 | qDebug() << "variable" << varName << "not found - using default."; |
||
| 64 | return GlobalSettings::instance()->settingDefaultValue(varName); |
||
| 65 | } |