30 lines
1.2 KiB
C++
30 lines
1.2 KiB
C++
#ifndef IATLASSERIALISER_H__
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#define IATLASSERIALISER_H__
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#include "AtlasObject/AtlasObject.h"
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// An interface for GUI components to transfer their contents to/from AtObjs.
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// (Maybe "serialise" isn't quite correct, since AtObjs aren't serial, but
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// it's close enough...)
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class IAtlasSerialiser
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{
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public:
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// Freeze/Thaw are mainly used by the 'undo' system, to take a snapshot
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// of the a GUI component's state, and to revert to that snapshot.
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// obj.Thaw(obj.Freeze()) should leave the component's contents unchanged.
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virtual AtObj FreezeData()=0; // wxWindow defines a Freeze method, so we're stuck with an uglier name
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virtual void ThawData(AtObj& in)=0;
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// Import/Export have a different meaning to Freeze/Thaw: they handle
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// data that is read from / written to XML files. Import needs to be
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// backwards-compatible with old data files that might still be in use.
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// Export may perform some processing on the data to tidy it up.
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// (By default, they just call Freeze and Thaw, since that's often good enough)
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virtual void ImportData(AtObj& in) { ThawData(in); }
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virtual AtObj ExportData() { return FreezeData(); }
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};
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#endif // IATLASSERIALISER_H__
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