MultiDocInterface.h

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#pragma once
 
#include <QObject>
#include <QString>
#include <QWidget>
#include <ami/iface/global.h>
 
namespace sf
{
 
// Forward declaration.
class AppModuleInterface;
 
class _AMI_CLASS MultiDocInterfaceSignals : public QObject
{
    Q_OBJECT
 
  public:
    /*
     * Most signals from class QPlainTextEdit are implemented.
     */
    Q_SIGNAL void textChanged();
    Q_SIGNAL void undoAvailable(bool b);
    Q_SIGNAL void redoAvailable(bool b);
    Q_SIGNAL void copyAvailable(bool b);
    Q_SIGNAL void selectionChanged();
    Q_SIGNAL void cursorPositionChanged();
    Q_SIGNAL void modificationChanged(bool);
};
 
class _AMI_CLASS MultiDocInterface
{
  public:
    explicit MultiDocInterface();
    virtual void setConnections(QWidget* editor);
 
    virtual void newFile() = 0;
 
    virtual bool loadFile(const QString& fileName) = 0;
 
    virtual bool save() = 0;
 
    virtual bool saveAs() = 0;
 
    [[nodiscard]] virtual QString userFriendlyCurrentFile() const = 0;
 
    [[nodiscard]] virtual QString currentFile() const = 0;
 
    [[nodiscard]] virtual bool isModified() const = 0;
 
    [[nodiscard]] virtual bool hasSelection() const = 0;
 
    [[nodiscard]] virtual bool isUndoRedoEnabled() const = 0;
 
    [[nodiscard]] virtual bool isUndoAvailable() const = 0;
 
    [[nodiscard]] virtual bool isRedoAvailable() const = 0;
 
    virtual void cut() = 0;
 
    virtual void copy() = 0;
 
    virtual void paste() = 0;
 
    virtual void undo() = 0;
 
    virtual void redo() = 0;
 
    [[nodiscard]] virtual bool canClose() const;
 
    [[nodiscard]] QString getFileTypeFilters() const;
 
    virtual void stateSaveRestore(bool save);
 
    void activate(bool);
 
    MultiDocInterfaceSignals mdiSignals;
    virtual void develop();
 
  private:
    QWidget* _editor{nullptr};
    const AppModuleInterface* _module{nullptr};
 
    friend AppModuleInterface;
};
 
}// namespace sf