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#ifndef SQLQUERYITEMDELEGATE_H
#define SQLQUERYITEMDELEGATE_H
#include "guiSQLiteStudio_global.h"
#include "db/sqlquery.h"
#include <QStyledItemDelegate>
#include <QSet>
class FkComboBox;
class SqlQueryItem;
class QComboBox;
class QStandardItemModel;
class SqlQueryModel;
class SqlQueryView;
class GUI_API_EXPORT SqlQueryItemDelegate : public QStyledItemDelegate
{
Q_OBJECT
public:
explicit SqlQueryItemDelegate(QObject *parent = 0);
void paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const;
QWidget* createEditor(QWidget* parent, const QStyleOptionViewItem& option, const QModelIndex& index) const;
void destroyEditor(QWidget *editor, const QModelIndex &index) const;
QString displayText(const QVariant & value, const QLocale & locale) const;
void setEditorData(QWidget * editor, const QModelIndex & index) const;
void setModelData(QWidget * editor, QAbstractItemModel * model, const QModelIndex & index) const;
void mouseLeftIndex(const QModelIndex& index);
private:
class FkComboShowFilter : public QObject
{
public:
explicit FkComboShowFilter(const SqlQueryItemDelegate* delegate, SqlQueryView* comboView, QObject* parent = 0);
bool eventFilter(QObject *obj, QEvent *event);
private:
const SqlQueryItemDelegate* delegate = nullptr;
SqlQueryView* comboView = nullptr;
};
SqlQueryItem* getItem(const QModelIndex &index) const;
QWidget* getEditor(int type, bool shouldSkipInitialSelection, QWidget* parent) const;
QWidget* getFkEditor(SqlQueryItem* item, bool shouldSkipInitialSelection, QWidget* parent, const SqlQueryModel *model) const;
void setEditorDataForLineEdit(QLineEdit* le, const QModelIndex& index) const;
void setEditorDataForFk(QComboBox* cb, const QModelIndex& index) const;
void setModelDataForFk(FkComboBox* editor, QAbstractItemModel* model, const QModelIndex& index) const;
void setModelDataForLineEdit(QLineEdit* editor, QAbstractItemModel* model, const QModelIndex& index) const;
qlonglong getRowCountForFkEditor(Db* db, const QString& query, bool *isError) const;
int getFkViewHeaderWidth(SqlQueryView* fkView, bool includeScrollBar) const;
QSet<QWidget*> editorsWithAsyncExecution;
static bool warnedAboutHugeContents;
static const int HUGE_CONTENTS_WARNING_LIMIT = 32767; // pow(2, 16) / 2 - 1
};
#endif // SQLQUERYITEMDELEGATE_H
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