56 lines
1.5 KiB
C
56 lines
1.5 KiB
C
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#ifndef RECORDPANEL_H
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#define RECORDPANEL_H
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#include <QScrollArea>
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#include <QPersistentModelIndex>
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#include <vector>
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class QAbstractItemModel;
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class QEvent;
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class QToolButton;
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/** Shows the values of one row of a model as a scrollable list, one line per column.
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* Values are edited through the model so the pending change logic of the model is reused.
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*/
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class RecordPanel : public QScrollArea {
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Q_OBJECT
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public:
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explicit RecordPanel(QWidget *parent = nullptr);
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/// Sets the model to show, the columns from firstDataColumn on are shown
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void setModel(QAbstractItemModel *model);
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/// Columns before this one are skipped, e.g. the row number column of the CRUD model
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void setFirstDataColumn(int column);
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/// Shows the values of the given row of the model, -1 shows nothing
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void setCurrentRow(int row);
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protected:
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bool eventFilter(QObject *watched, QEvent *event) override;
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private slots:
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void refresh();
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void onModelReset();
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private:
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struct FieldRow {
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int column = -1;
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QString original; ///< Text the editor shows, only a different text is written back
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QWidget *editor = nullptr;
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QToolButton *expandButton = nullptr;
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};
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void clearFields();
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void rebuild();
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void showValue(FieldRow &field, const QString &text, bool editable);
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void commitEditor(QWidget *editor);
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FieldRow *findField(QWidget *editor);
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QAbstractItemModel *m_model = nullptr;
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int m_firstDataColumn = 0;
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QPersistentModelIndex m_rowIndex;
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std::vector<FieldRow> m_fields;
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bool m_updating = false;
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};
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#endif // RECORDPANEL_H
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