TextAttrScriptUtility.h

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// Owner: Jonathan W. Brown
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#ifndef __TextAttrScriptUtility__
#define __TextAttrScriptUtility__

#include "AttributeBossList.h"
#include "K2SmartPtr.h"
#include "ScriptData.h"
#include "ScriptIDEnumMap.h"

#include "IAttrReport.h"
#include "IComposeScanner.h"
#include "IScript.h"
#include "IScriptRequestData.h"
#include "IScriptUtils.h"

class IAttrReport;
class IScript;
class IScriptRequestData;
class IDataBase;

typedef boost::shared_ptr<AttributeBossList> ScopedAttributeList ;
typedef ScopedAttributeList AddAttributeList ;
typedef K2Vector<ClassID> RemoveAttributeList ;

class TextAttrScriptUtility
{
public:
 TextAttrScriptUtility( IScript* script, const RequestContext& context, IScript *target = nil ) ;
 TextAttrScriptUtility( const AttributeBossList* attributeBossList, const RequestContext& context ) ;

 ErrorCode AccessBoolAttribute(IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass);

 ErrorCode AccessInt16Attribute(IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass);

 ErrorCode AccessInt32Attribute(IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass);

 ErrorCode AccessUnitAttribute(IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass, ScriptData::UnitType unitType);

 ErrorCode AccessRealAttribute(IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass);

 ErrorCode AccessPercentageAttribute(IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass);

 ErrorCode AccessColor(IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass, const bool16 useTextColor = kTrue);

 ErrorCode AccessLineTypeAttribute(IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass);

 ErrorCode AccessFont(IScriptRequestData* data, const ScriptID& propID, const ClassID& fontClass,
 const ClassID& styleClass, const ClassID& strand = kCharAttrStrandBoss, bool16 returnFontName = kFalse);

 ErrorCode AccessFontStyle(IScriptRequestData* data, const ScriptID& propID, const ClassID& fontClass,
 const ClassID& styleClass, const ClassID& strand = kCharAttrStrandBoss);

 ErrorCode GetAttributeReport(const ClassID& attrClass, InterfacePtr<const IAttrReport>& attrReport);

 ErrorCode AddAttribute(const IPMUnknown* addAttr, IDataBase* targetDB = nil);

 ErrorCode AddAttributes( const AddAttributeList& addAttrList, IDataBase* targetDB = nil ) ;

 ErrorCode RemoveAttribute( const ClassID& removeAttr ) ;

 ErrorCode RemoveAttributes( const RemoveAttributeList& removeAttrList ) ;

 ErrorCode ApplyScriptCmd() ;
 
 ErrorCode AccessDesignAxes( IScriptRequestData* data, const ScriptID& propID, const ClassID& fontClass, const ClassID& styleClass, const ClassID& strand = kCharAttrStrandBoss );
 
 ErrorCode SetNthDesignAxis(IScriptRequestData* data, IScript* script, const ClassID& fontClass, const ClassID& styleClass, const ClassID& strand = kCharAttrStrandBoss );
 ErrorCode IsNthDesignAxisHidden(IScriptRequestData* data, IScript* script, const ClassID& fontClass,const ClassID& styleClass);
protected:
 IScript* GetScript() const { return fScript ; }

 IScript* GetTargetScript() const { return fTargetScript ; }

 const ScriptID& GetObjectType() const { return fObjectType ; }

 void CacheCurrentAttrs() ;

 ErrorCode AccessMultiplierAttribute( IScriptRequestData* data, const ScriptID& propID, const ClassID& attrClass, const PMReal& multiplier);

 bool16 IsFindChangeObject(const ScriptID& objectType);

 IFontFamily *QueryFontFamilyFromScript(IScriptRequestData* data, const ScriptID& propID, PMString fontStyle);

 IFontFamily *QueryFontFamilyFromModel(IScriptRequestData* data, const ClassID& fontClass, PMString fontStyle);

 

private:
 InterfacePtr<IScript> fScript;
 InterfacePtr<IScript> fTargetScript;
 const RequestContext fRequestContext;
 const ScriptID fObjectType;
 InterfacePtr<IComposeScanner> fComposeScanner; //"get" cache
 ScopedAttributeList fStyleAttrs; //"get" cache
 InterfacePtr<IPMUnknown> fAttrInterface; //"get" cache
 const AttributeBossList* fCurrentAttrs; //"get" cache
 AddAttributeList fAddAttrList; //"set" cache
 RemoveAttributeList fRemoveAttrList; //"set" cache
 IDataBase* fTargetDB; //"set" cache
 ClassID fTargetStrand; //"set" cache
};

template<class T, class S> class Accessor
{
public:
 Accessor( TextAttrScriptUtility* parent, const ScriptIDEnumMapEntry* map, size_t mapSize, const ClassID& boss ) :
 fScriptUtils(parent),
 fMap(map, mapSize),
 fAttrClass(boss)
 {}

 ErrorCode Access( IScriptRequestData* data, IScript* script, const ScriptID& propID ) ;

private:
 TextAttrScriptUtility *fScriptUtils;
 const ClassID& fAttrClass;
 ScriptIDEnumMap fMap;
};

template<class T, class S> ErrorCode Accessor<T,S>::Access( IScriptRequestData* data, IScript* script, const ScriptID& propID )
{
 ErrorCode err;
 ScriptData scriptData;
 if (data->IsPropertyGet())
 {
 InterfacePtr<const IAttrReport> attrReport;
 err = fScriptUtils->GetAttributeReport(fAttrClass, attrReport);
 if (err == kUnSetError)
 {
 scriptData.SetEnumeration(en_Nothing);
 data->AppendReturnData( script, propID, scriptData ) ;
 return kSuccess;
 }

 if (err != kSuccess) return err;

 InterfacePtr<const T> attr(attrReport, UseDefaultIID());
 if (!attr) return kFailure;

 return fMap.GetForGetProperty( script, data, propID, attr->Get() ) ;
 }
 else if (data->IsPropertyPut())
 {
 err = data->ExtractRequestData(propID, scriptData);
 if (err != kSuccess) return err;

 if (Utils<IScriptUtils>()->IsNothing( scriptData )) // removing an attribute
 {
 err = fScriptUtils->RemoveAttribute( fAttrClass ) ;
 }
 else // adding/modifying an attribute
 {
 int32 val(0);
 err = fMap.GetForSetProperty( script, data, propID, val ) ;
 if (err != kSuccess) return err;

 InterfacePtr<T> attrR(::CreateObject2<T>(fAttrClass));
 if (!attrR) return kFailure;

 attrR->Set(static_cast<S>(val));
 err = fScriptUtils->AddAttribute( attrR ) ;
 }

 return err ;
 }

 return kFailure ;
}

#endif //__TextAttrScriptUtility__