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1 | |||
91 | Werner | 2 | #include <QtCore> |
3 | #include <QtSql> |
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4 | #include "global.h" |
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102 | Werner | 5 | #include "xmlhelper.h" |
90 | Werner | 6 | #include "speciesset.h" |
91 | Werner | 7 | #include "species.h" |
90 | Werner | 8 | |
9 | SpeciesSet::SpeciesSet() |
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10 | { |
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91 | Werner | 11 | mSetupQuery = 0; |
90 | Werner | 12 | } |
91 | Werner | 13 | |
14 | SpeciesSet::~SpeciesSet() |
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15 | { |
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16 | clear(); |
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17 | } |
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18 | |||
19 | void SpeciesSet::clear() |
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20 | { |
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21 | qDeleteAll(mSpecies.values()); |
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22 | mSpecies.clear(); |
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179 | werner | 23 | mActiveSpecies.clear(); |
91 | Werner | 24 | } |
25 | |||
111 | Werner | 26 | const Species *SpeciesSet::species(const int &index) |
27 | { |
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28 | foreach(Species *s, mSpecies) |
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29 | if (s->index() == index) |
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30 | return s; |
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31 | return NULL; |
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32 | } |
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91 | Werner | 33 | |
34 | /** loads active species from a database table and creates/setups the species. |
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35 | The function uses the global database-connection. |
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36 | */ |
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102 | Werner | 37 | int SpeciesSet::setup() |
91 | Werner | 38 | { |
102 | Werner | 39 | const XmlHelper &xml = GlobalSettings::instance()->settings(); |
40 | QString tableName = xml.value("species.source", "species"); |
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41 | QString readerFile = xml.value("species.reader", "reader.bin"); |
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42 | readerFile = GlobalSettings::instance()->path(readerFile, "lip"); |
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43 | mReaderStamp.load(readerFile); |
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44 | |||
91 | Werner | 45 | QSqlQuery query(GlobalSettings::instance()->dbin()); |
46 | mSetupQuery = &query; |
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47 | QString sql = QString("select * from %1").arg(tableName); |
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48 | query.exec(sql); |
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49 | clear(); |
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50 | qDebug() << "attempting to load a species set from" << tableName; |
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51 | while (query.next()) { |
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52 | if (var("active").toInt()==0) |
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53 | continue; |
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54 | |||
55 | Species *s = new Species(this); // create |
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99 | Werner | 56 | // call setup routine (which calls SpeciesSet::var() to retrieve values |
91 | Werner | 57 | s->setup(); |
58 | |||
59 | mSpecies.insert(s->id(), s); // store |
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179 | werner | 60 | if (s->active()) |
61 | mActiveSpecies.append(s); |
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91 | Werner | 62 | } // while query.next() |
63 | qDebug() << "loaded" << mSpecies.count() << "active species:"; |
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64 | qDebug() << mSpecies.keys(); |
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65 | |||
66 | mSetupQuery = 0; |
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67 | return mSpecies.count(); |
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68 | |||
69 | } |
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70 | /** retrieves variables from the datasource available during the setup of species. |
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71 | */ |
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72 | QVariant SpeciesSet::var(const QString& varName) |
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73 | { |
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94 | Werner | 74 | Q_ASSERT(mSetupQuery!=0); |
91 | Werner | 75 | |
76 | int idx = mSetupQuery->record().indexOf(varName); |
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77 | if (idx>=0) |
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78 | return mSetupQuery->value(idx); |
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125 | Werner | 79 | throw IException(QString("SpeciesSet: variable not set: %1").arg(varName)); |
120 | Werner | 80 | //throw IException(QString("load species parameter: field %1 not found!").arg(varName)); |
91 | Werner | 81 | // lookup in defaults |
119 | Werner | 82 | //qDebug() << "variable" << varName << "not found - using default."; |
83 | //return GlobalSettings::instance()->settingDefaultValue(varName); |
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91 | Werner | 84 | } |