field_filter_edit.h

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#ifndef FIELDFILTEREDIT_H
#define FIELDFILTEREDIT_H
 
#include <ui/qt/widgets/syntax_line_edit.h>
 
class QEvent;

class FieldFilterEdit : public SyntaxLineEdit
{
    Q_OBJECT
public:
    explicit FieldFilterEdit(QWidget *parent = 0);

    void setFieldListMode(bool enabled);

    void setMaxFields(int max_fields);

    QStringList fieldList() const;

    QString fieldListMessage() const { return list_message_; }
 
protected:
    void keyPressEvent(QKeyEvent *event) override { completionKeyPressEvent(event); }

    void focusInEvent(QFocusEvent *event) override { completionFocusInEvent(event); }

    void focusOutEvent(QFocusEvent *event) override;
 
public slots:
    bool checkFilter();
 
private slots:
    void checkFilter(const QString &filter_text);

    void changeEvent(QEvent* event) override;
 
private:
    QString placeholder_text_;

    bool list_mode_ = false;

    int max_fields_ = 0;

    QString list_message_;

    static QStringList splitFieldList(const QString &text);

    void checkFieldList(const QString &filter_text);

    void setDefaultPlaceholderText();

    void buildCompletionList(const QString &field_word, const QString &preamble) override;
 
signals:
    void pushFilterSyntaxStatus(const QString& status);

    void popFilterSyntaxStatus();

    void pushFilterSyntaxWarning(const QString& warning);
};
 
#endif // FIELDFILTEREDIT_H