52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
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#ifndef NTX_ICOMMAND_H
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#define NTX_ICOMMAND_H
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#include <ntxinode.h>
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#include <memory>
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namespace ntx
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{
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// Einfache Struct für Clipboard-Eintrag
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struct NtxNodeEntry
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{
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NtxNodePtr clone; // Elternloser Deep-Clone
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NtxNodeWeakPtr originalParent; // Schwache Referenz für Undo
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size_t originalPosition; // Position im Original-Parent
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};
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using NtxNodeEntryList = std::vector<NtxNodeEntry>;
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class NtxICommand
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{
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public:
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virtual ~NtxICommand() = default;
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virtual bool execute() = 0;
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virtual bool undo() = 0;
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virtual bool canExecute() const = 0;
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virtual bool canUndo() const;
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virtual NtxString getDescription() const;
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protected:
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NtxICommand() = default;
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NtxICommand(const NtxICommand&) = default;
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NtxICommand& operator=(const NtxICommand&) = default;
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void setDescription(const NtxString& description);
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private:
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NtxString m_description;
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};
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using NtxCommandPtr = std::shared_ptr<NtxICommand>;
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using NtxCommandUPtr = std::unique_ptr<NtxICommand>;
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} // namespace ntx
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#endif // NTX_ICOMMAND_H
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