| author | sheepluva |
| Thu, 26 Apr 2012 16:15:37 +0200 | |
| changeset 6937 | 7f77fa908a4e |
| parent 6061 | QTfrontend/model/themesmodel.cpp@15b4b485a1c5 |
| child 6948 | 7271ce89950f |
| permissions | -rw-r--r-- |
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- Implement ThemesModel (load theme icons once, store in memory, don't reload from disk every time selection changes)
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#include "ThemeModel.h" |
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ThemeModel::ThemeModel(QObject *parent) : |
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QAbstractListModel(parent) |
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{
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m_data = QList<QMap<int, QVariant> >(); |
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} |
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int ThemeModel::rowCount(const QModelIndex &parent) const |
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{
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if(parent.isValid()) |
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return 0; |
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else |
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return m_data.size(); |
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} |
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QVariant ThemeModel::data(const QModelIndex &index, int role) const |
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{
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if(index.column() > 0 || index.row() >= m_data.size()) |
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return QVariant(); |
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else |
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return m_data.at(index.row()).value(role); |
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} |
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void ThemeModel::loadThemes() |
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{
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beginResetModel(); |
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DataManager & datamgr = DataManager::instance(); |
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QStringList themes = |
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datamgr.entryList("Themes", QDir::AllDirs | QDir::NoDotAndDotDot);
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sheepluva
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m_data.clear(); |
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sheepluva
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#if QT_VERSION >= QT_VERSION_CHECK(4, 7, 0) |
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m_data.reserve(themes.size()); |
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#endif |
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foreach (QString theme, themes) |
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{
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// themes without icon are supposed to be hidden |
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QString iconpath = |
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datamgr.findFileForRead(QString("Themes/%1/icon.png").arg(theme));
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if (!QFile::exists(iconpath)) |
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continue; |
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QMap<int, QVariant> dataset; |
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// set name |
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dataset.insert(Qt::DisplayRole, theme); |
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// load and set icon |
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QIcon icon(iconpath); |
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dataset.insert(Qt::DecorationRole, icon); |
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// load and set preview icon |
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QIcon preview(datamgr.findFileForRead(QString("Themes/%1/icon@2x.png").arg(theme)));
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dataset.insert(Qt::UserRole, preview); |
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m_data.append(dataset); |
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} |
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endResetModel(); |
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} |
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- Implement ThemesModel (load theme icons once, store in memory, don't reload from disk every time selection changes)
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