133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
#ifndef QTGUI_TAGEDIT_H
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#define QTGUI_TAGEDIT_H
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#include "./previousvaluehandling.h"
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#include <c++utilities/application/global.h>
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#include <QList>
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#include <QMap>
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#include <QWidget>
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#include <initializer_list>
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QT_FORWARD_DECLARE_CLASS(QFormLayout)
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QT_FORWARD_DECLARE_CLASS(QVBoxLayout)
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namespace Media {
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class Tag;
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class TagValue;
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DECLARE_ENUM(KnownField, unsigned int)
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}
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namespace QtGui {
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class TagFieldEdit;
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class TagEdit : public QWidget
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{
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Q_OBJECT
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Q_PROPERTY(PreviousValueHandling previousValueHandling READ previousValueHandling WRITE setPreviousValueHandling)
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public:
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explicit TagEdit(QWidget *parent = nullptr);
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const QList<Media::Tag *> &tags() const;
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Media::TagValue value(Media::KnownField field) const;
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void setTag(Media::Tag *tag, bool updateUi = true);
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void setTags(const QList<Media::Tag *> &tags, bool updateUi = true);
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bool setValue(Media::KnownField field, const Media::TagValue &value, PreviousValueHandling previousValueHandling = PreviousValueHandling::Clear);
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template<class Container = std::initializer_list<Media::Tag *> > void setTags(const Container &tags, bool updateUi = true);
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bool hasField(Media::KnownField field) const;
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PreviousValueHandling previousValueHandling() const;
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void setPreviousValueHandling(PreviousValueHandling previousValueHandling);
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TagFieldEdit *tagFieldEdit(Media::KnownField field) const;
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QString generateLabel() const;
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public slots:
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void clear();
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void restore();
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void apply();
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void invalidate();
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void setCoverButtonsHidden(bool hideCoverButtons);
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signals:
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void returnPressed();
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private:
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void setupUi();
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void removeEdit(QWidget *edit);
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void assignTags();
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QList<Media::Tag *> m_tags;
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QFormLayout *m_layoutLeft;
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QVBoxLayout *m_layoutRight;
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QMap<Media::KnownField, TagFieldEdit *> m_widgets;
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PreviousValueHandling m_previousValueHandling;
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};
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/*!
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* \brief Returns the currently assigned tags.
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*/
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inline const QList<Media::Tag *> &TagEdit::tags() const
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{
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return m_tags;
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}
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/*!
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* \brief Assigns the specified \a tags to the edit.
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* \param updateUi Specifies whether the UI of should be updated.
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* \remarks The TagEdit object does not take ownership.
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*/
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template<class Container> void TagEdit::setTags(const Container &tags, bool updateUi)
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{
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m_tags.clear();
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m_tags.reserve(tags.size());
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for(auto *tag : tags) {
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m_tags << tag;
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}
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if(updateUi) {
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setupUi();
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} else {
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assignTags();
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}
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}
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/*!
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* \brief Returns the "previous value handling".
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*
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* The "previous value handling" defines what happens which the current input
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* when the setTag() or the setTags() method is called.
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*
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* The setValue() method will not care about this setting but allows to specify
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* a "previous value handling", too.
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*
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* \sa setPreviousValueHandling()
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*/
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inline PreviousValueHandling TagEdit::previousValueHandling() const
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{
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return m_previousValueHandling;
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}
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/*!
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* \brief Sets the "previous value handling".
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* \sa previousValueHandling()
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*/
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inline void TagEdit::setPreviousValueHandling(PreviousValueHandling previousValueHandling)
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{
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m_previousValueHandling = previousValueHandling;
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}
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/*!
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* \brief Returns the TagFieldEdit object for the specified \a field.
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* \returns Returns a pointer to the object (ownership remains by the TagEdit object) or - if
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* there is no TagFieldEdit object - nullptr.
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*/
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inline TagFieldEdit *TagEdit::tagFieldEdit(Media::KnownField field) const
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{
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return m_widgets.value(field, nullptr);
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}
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}
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#endif // QTGUI_TAGEDIT_H
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