Mercurial > retraceit
comparison src/metadataview.cpp @ 2:97d2c8869c39
First prototype implementation of table view and player
| author | Andre Heinecke <andre.heinecke@intevation.de> |
|---|---|
| date | Mon, 23 Mar 2015 16:34:42 +0100 |
| parents | |
| children | 248d5d1cdb38 |
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| 1:7a2637c3eb83 | 2:97d2c8869c39 |
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| 1 #include "metadataview.h" | |
| 2 #include "qxtcsvmodel.h" | |
| 3 | |
| 4 #include <QTextCodec> | |
| 5 #include <QTableView> | |
| 6 #include <QSortFilterProxyModel> | |
| 7 #include <QVBoxLayout> | |
| 8 #include <QLabel> | |
| 9 #include <QDebug> | |
| 10 #include <QHeaderView> | |
| 11 #include <QModelIndex> | |
| 12 #include <QItemSelectionModel> | |
| 13 | |
| 14 MetaDataView::MetaDataView(QWidget *parent, Qt::WindowFlags f) : | |
| 15 QWidget(parent, f) { | |
| 16 /* Create models */ | |
| 17 mSortModel = new QSortFilterProxyModel; | |
| 18 mCSVModel = new QxtCsvModel; | |
| 19 setupGUI(); | |
| 20 | |
| 21 connect(mView->selectionModel(), &QItemSelectionModel::selectionChanged, | |
| 22 this, &MetaDataView::viewSelectionChanged); | |
| 23 return; | |
| 24 } | |
| 25 | |
| 26 void MetaDataView::setupGUI() { | |
| 27 QVBoxLayout *baseLayout = new QVBoxLayout; | |
| 28 mView = new QTableView; | |
| 29 mView->setModel(mSortModel); | |
| 30 | |
| 31 mView->horizontalHeader()->setStretchLastSection(true); | |
| 32 mView->resizeColumnsToContents(); | |
| 33 // mView->setColumnWidth(0, 60); | |
| 34 mView->setSelectionBehavior(QAbstractItemView::SelectRows); | |
| 35 mView->setSelectionMode(QAbstractItemView::SingleSelection); | |
| 36 mView->setSortingEnabled(true); | |
| 37 mView->setEditTriggers(QAbstractItemView::NoEditTriggers); | |
| 38 | |
| 39 baseLayout->addWidget(mView); | |
| 40 | |
| 41 setLayout(baseLayout); | |
| 42 } | |
| 43 | |
| 44 QString MetaDataView::parseMetaData(const QString& filePath) { | |
| 45 mCSVModel->setSource(filePath, true, ';', QTextCodec::codecForName("UTF8")); | |
| 46 if (!mCSVModel->rowCount()) { | |
| 47 return tr("Failed to parse file: '%1'").arg(filePath); | |
| 48 } | |
| 49 | |
| 50 mSortModel->setSourceModel(mCSVModel); | |
| 51 qDebug() << "Parsed: " << mCSVModel->rowCount() << " rows."; | |
| 52 return QString(); | |
| 53 } | |
| 54 | |
| 55 void MetaDataView::viewSelectionChanged(const QItemSelection& selected, | |
| 56 const QItemSelection& deselected) { | |
| 57 /* One row selected */ | |
| 58 Q_ASSERT(selected.indexes().count() == mCSVModel->columnCount()); | |
| 59 const QModelIndex idx = selected.indexes()[0]; | |
| 60 emit selectionChanged(idx.data().toString(), QString()); | |
| 61 qDebug() << "Selection changed: " << idx.data(); | |
| 62 } | |
| 63 | |
| 64 void MetaDataView::selectNextRow() { | |
| 65 QItemSelectionModel *selection = mView->selectionModel(); | |
| 66 QModelIndexList selected = selection->selectedIndexes(); | |
| 67 int row = 0, | |
| 68 col = 0; | |
| 69 if (selected.isEmpty()) { | |
| 70 qDebug() << "Selection empty. Start at row 0"; | |
| 71 if (!mSortModel->hasIndex(row, col)) { | |
| 72 qDebug() << "Empty model. Failed to advance."; | |
| 73 return; | |
| 74 } | |
| 75 } else { | |
| 76 QModelIndex old = selection->selectedIndexes().first(); | |
| 77 if (!mSortModel->hasIndex(old.row() + 1, old.column())) { | |
| 78 qDebug() << "No more rows."; | |
| 79 return; | |
| 80 } | |
| 81 row = old.row() + 1; | |
| 82 col = old.column(); | |
| 83 } | |
| 84 QModelIndex newIdx = mSortModel->index(row, col); | |
| 85 selection->select(newIdx, QItemSelectionModel::SelectCurrent | QItemSelectionModel::Rows); | |
| 86 } |