cmdcomposer.h

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#pragma once

/*+
________________________________________________________________________

 (C) dGB Beheer B.V.; (LICENSE) http://opendtect.org/OpendTect_license.txt
 Author:        Jaap Glas
 Date:          March 2009
________________________________________________________________________

-*/

#include "uicmddrivermod.h"
#include "callback.h"
#include "bufstringset.h"
#include "factory.h"

class uiMainWin;


namespace CmdDrive
{

class CmdRecorder;
class CmdRecEvent;


mExpClass(uiCmdDriver) Classifier
{
public:
    virtual             ~Classifier()                           {}
    virtual const char* name() const                            = 0;
    virtual bool        approved(const CallBacker*) const       = 0;
};

#define mDeclClassifierClass(callerclass) \
\
class callerclass##Classifier : public Classifier \
{ \
public: \
\
    static const char*  className()     { return #callerclass; } \
    const char*         name() const    { return className(); } \
\
    bool                approved(const CallBacker* caller) const \
                        { return dynamic_cast<const callerclass*>(caller); } \
};


mExpClass(uiCmdDriver) CmdComposer : public CallBacker
{ mODTextTranslationClass(CmdComposer);
public:

    mDefineFactory1ParamInClass( CmdComposer, CmdRecorder&, factory );
    static void         initStandardComposers();
    static BufferString factoryKey(const CallBacker* caller,
                                   const char* extrakey=0);

                        CmdComposer(CmdRecorder&);
                        ~CmdComposer();

    virtual const char* name()                          = 0;

    virtual bool        greedy() const;
    virtual bool        accept(const CmdRecEvent&);
    virtual void        updateInternalState()           {};
    virtual bool        tryToFinish();
    bool                stateUpdateNeeded()             { return updateflag_; }
    bool                done() const                    { return done_; }

    bool                traceSrcWin(CmdRecEvent&) const;

    void                objClosed(CallBacker*)          { objclosed_ = true; }
    void                testCB(CallBacker*);

protected:

    static BufferString createFactoryKey(const Classifier*,const char* keyword);

    virtual void        init()                          {};

    const uiMainWin*    applWin() const;

    void                addToEventList(const CmdRecEvent&);
    void                shrinkEventList(int firstnr=1, int lastnr=-1);
    int                 eventNameIdx(const BufferStringSet& eventnames,
                                     const CmdRecEvent&) const;

    void                insertWindowCaseExec(const CmdRecEvent&,
                                             bool casedep = false) const;

    void                srcWinClosed(CallBacker*);

    void                notDone()                       { done_ = false; }
    void                refuseAndQuitDone()             { done_ = true; }

    CmdRecorder&        rec_;

    bool                ignoreflag_;
    bool                quitflag_;
    bool                updateflag_;

    TypeSet<int>        refnrstack_;
    bool                stackwasempty_;
    bool                objclosed_;

    ObjectSet<CmdRecEvent> eventlist_;

    BufferStringSet     bursteventnames_;
    BufferStringSet     voideventnames_;

private:
    bool                done_;
};


#define mStartDeclComposerClassNoAccept(mod,cmdkey,parentclass) \
\
mExpClass(mod) cmdkey##CmdComposer : public parentclass \
{ \
public: \
                        cmdkey##CmdComposer(CmdRecorder& cmdrec) \
                            : parentclass(cmdrec) \
                        { init(); } \
\
    static const char*  keyWord()                       { return #cmdkey; } \
    virtual const char* name()                          { return keyWord(); } \

#define mStartDeclComposerClass(mod,cmdkey,parentclass,callerclass) \
\
    mStartDeclComposerClassNoAccept(mod,cmdkey,parentclass) \
    mDeclClassifierClass(callerclass) \
\
    virtual bool        accept(const CmdRecEvent&); \
\
    static CmdComposer* createInstance(CmdRecorder& cmdrec) \
                        { return new cmdkey##CmdComposer(cmdrec); } \
    static void         initClass() \
                        { factory().addCreator( createInstance, \
                            createFactoryKey(new callerclass##Classifier(), \
                                             keyWord()) ); }

#define mStartDeclComposerClassWithInit(mod,cmdkey,parentclass,callerclass) \
    mStartDeclComposerClass(mod,cmdkey,parentclass,callerclass) \
    virtual void        init();

#define mEndDeclComposerClass \
};


//====== CmdComposer macros ==================================================


#define mRefuseAndQuit() \
{ \
    quitflag_ = true; \
    if ( stackwasempty_ ) \
        refuseAndQuitDone(); \
\
    return false; \
}


#define mCompleteAndQuitIfEventNested( ev, notifierstr ) \
\
    if ( quitflag_ ) \
        return true; \
    else if ( ev.begin_ && !stackwasempty_ && \
              stringEndsWithCI(notifierstr,ev.msg_) ) \
    { \
        ignoreflag_ = false; \
        quitflag_ = true; \
    }


#define mNotifyTest( objclass, uiobject, notifiername ) \
{ \
    mDynamicCastGet( objclass*, uiclassobj, uiobject ); \
    if ( uiclassobj ) \
        uiclassobj->notifiername.notify( mCB(this,CmdComposer,testCB) ); \
}


#define mGetInputString( inpptr, txt, haschanged ) \
\
    BufferString inpstr; \
    char* inpptr = inpstr.getCStr(); \
    if ( haschanged ) \
    { \
        inpstr = " "; inpstr += txt; \
        mSkipBlanks( inpptr ); \
        char* endptr; \
        strtod( inpptr, &endptr ); \
        const char* nextword = endptr; \
        mSkipBlanks( nextword ); \
        if ( inpptr!=endptr && !*nextword ) \
        { \
            *endptr = '\0'; \
            inpstr += " "; \
        } \
        else \
        { \
            mDressUserInputString( inpstr, sInputStr ); \
            IdentifierManager().tryFilePathPlaceholders( inpstr ); \
            inpstr += "\" "; \
            inpptr = inpstr.getCStr(); \
            *inpptr = '"'; \
        } \
    }

#define mWriteInputCmd( haschanged, txt, enter ) \
{ \
    mGetInputString( inpptr, txt, haschanged ); \
    if ( haschanged || enter ) \
    { \
        insertWindowCaseExec( *eventlist_[0] ); \
        mRecOutStrm << "Input \"" << eventlist_[0]->keystr_ << "\" " \
                    << inpptr << (enter ? "Enter" : "Hold") << od_endl; \
    } \
}


#define mGetItemName( uiobj,sizefunc,textfunc,curitemidx,curitemname,casedep ) \
\
    BufferString curitemname = uiobj->textfunc( curitemidx ); \
    mDressNameString( curitemname, sItemName ); \
    bool casedep = false; \
    { \
        int nrmatches = 0; \
        int selnr = 0; \
\
        for ( int itmidx=0; itmidx<uiobj->sizefunc(); itmidx++ ) \
        { \
            const char* itmtxt = uiobj->textfunc( itmidx ); \
            if ( SearchKey(curitemname,false).isMatching(itmtxt) ) \
            { \
                if ( SearchKey(curitemname,true).isMatching(itmtxt) ) \
                { \
                    nrmatches++; \
                    if ( itmidx == curitemidx ) \
                        selnr = nrmatches; \
                } \
                else \
                    casedep = true; \
            } \
        } \
\
        if ( selnr && nrmatches>1 ) \
        { \
            curitemname += "#"; curitemname += selnr; \
        } \
    }


}; // namespace CmdDrive