62 lines
1.3 KiB
C
62 lines
1.3 KiB
C
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#ifndef DOCUMENT_H
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#define DOCUMENT_H
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#include <QObject>
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#include <QJsonObject>
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class DesignerScene;
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class QGraphicsItem;
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class QUndoCommand;
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class QUndoStack;
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class Document : public QObject
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{
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Q_OBJECT
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Q_PROPERTY(bool modified READ isModified NOTIFY modifiedChanged)
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public:
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explicit Document(QObject *parent = nullptr);
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~Document();
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// Serialization
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bool save();
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bool saveAs(const QString &filePath);
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bool load(const QString &filePath);
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// State
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bool isModified() const;
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QString filePath() const;
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// Unified command entry point
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void execute(QUndoCommand *cmd);
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// Accessors (read-only, no ownership transfer)
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DesignerScene *scene() const;
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QUndoStack *undoStack() const;
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// Reset to empty document
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void clear();
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// Called by selectors to mark dirty for non-undo operations
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// (move, scale, rotate, edit-shape)
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void markDirty();
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signals:
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void modifiedChanged(bool modified);
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void filePathChanged(const QString &filePath);
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void saved();
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void loaded();
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private:
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void setModified(bool modified);
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void setupNewScene();
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DesignerScene *m_pScene;
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QUndoStack *m_pUndoStack;
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bool m_bModified;
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int m_nSavedIndex;
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QString m_sFilePath;
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};
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#endif // DOCUMENT_H
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