/*

    File:       ProxyDialog.cp

    Contains:   Demonstrates window proxy installation

    Version:    Mac OS X

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*/

#include "AppearanceSamplePrefix.h"

#if !BUILDING_FOR_CARBON_8

    #include <Carbon/Carbon.h>

#else

    #include <Carbon.h>

#endif

#include "ProxyDialog.h"

const ControlID kImageWell          = { 'PRXY', 1 };

const ControlID kModifiedCheckBox   = { 'PRXY', 2 };

enum

{

    kFileSpecCmd        = 'FSPC',

    kAliasCmd           = 'ALIS',

    kIconCmd            = 'ICON',

    kRemoveCmd          = 'RMVE',

    kModifiedCmd        = 'MODI'

};

static Boolean GetAFile(FSSpec *fileSpec);

ProxyDialog::ProxyDialog()

    : TWindow( CFSTR( "AppearanceSample" ), CFSTR( "Proxy" ) )

{

    ::SetThemeWindowBackground( GetWindowRef(), kThemeBrushDialogBackgroundActive, false );

    Show();

}

ProxyDialog::~ProxyDialog()

{

}

static Boolean GetAFile( FSSpec *fileSpec )

{

    NavReplyRecord      reply;

    OSErr               err;

    NavDialogOptions    options;

    Boolean             result = false;

    NavGetDefaultDialogOptions( &options );

    options.dialogOptionFlags &= ~kNavAllowMultipleFiles;

    err = NavGetFile( NULL, &reply, &options,

                                NULL, NULL, NULL, NULL, NULL);

    if ( (err == noErr) && reply.validRecord )

    {

        AEDesc      fileSpecDesc = { typeNull, nil };

        AEKeyword   unusedKeyword;

        err = AEGetNthDesc( &reply.selection, 1, typeFSS, &unusedKeyword, &fileSpecDesc );

        if ( err == noErr )

            AEGetDescData(&fileSpecDesc, fileSpec, sizeof(FSSpec) );

        AEDisposeDesc( &fileSpecDesc );

        result = true;

    }

    NavDisposeReply( &reply );

    return result;

}

void

ProxyDialog::UpdateContentIcon()

{

    ControlHandle               theImageWell;

    IconRef                     theIcon;

    ControlButtonContentInfo    myContentInfo;

    OSStatus                    theError = noErr;

    ::GetControlByID( GetWindowRef(), &kImageWell, &theImageWell );

    theError = ::GetWindowProxyIcon( GetWindowRef(), &theIcon );

    if ( theError == noErr )

    {

        myContentInfo.contentType = kControlContentIconRef;

        myContentInfo.u.iconRef = theIcon;

        theError = ::SetImageWellContentInfo( theImageWell, &myContentInfo );

        check_noerr( theError );

        ::DrawOneControl( theImageWell );

    }

    else

    {

        myContentInfo.contentType = kControlNoContent;

        theError = ::SetImageWellContentInfo( theImageWell, &myContentInfo );

        check_noerr( theError );

        ::DrawOneControl( theImageWell );

    }

}

void

ProxyDialog::DoAddProxyIcon( Boolean fromAlias )

{

    FSSpec  fileSpec = { 0, 0, "\p" };

    OSErr   theError;

    if ( GetAFile( &fileSpec ) )

    {

        if ( !fromAlias )

        {

            theError = ::SetWindowProxyFSSpec( GetWindowRef(), &fileSpec );

            check_noerr( theError );

        }

        else

        {

            AliasHandle theAlias;

            // In the real world you'd already have an alias.. but we're just converting

            // the FSSpec we just got *into* an alias, and using the alternate call.    

            if ( ::NewAliasMinimal( &fileSpec, &theAlias ) == noErr )

            {

                theError = ::SetWindowProxyAlias( GetWindowRef(), theAlias );

                check_noerr( theError );

            }

        }

        UpdateContentIcon();

    }

}

Boolean

ProxyDialog::HandleCommand( UInt32 commandID )

{

    OSStatus        err = noErr;

    ControlHandle   modifiedCheckbox;

    Boolean         handled = true;

    switch( commandID )

    {

        case kRemoveCmd:

            err = ::RemoveWindowProxy( GetWindowRef() );

            check_noerr( err );

            UpdateContentIcon();

            break;

        case kFileSpecCmd:

            DoAddProxyIcon( false );

            break;

        case kAliasCmd:

            DoAddProxyIcon( true );

            break;

        case kIconCmd:

            err = ::SetWindowProxyCreatorAndType( GetWindowRef(), 'ttxt','TEXT', kOnSystemDisk );

            if ( err == noErr )

                UpdateContentIcon();

            break;

        case kModifiedCmd:

            ::GetControlByID( GetWindowRef(), &kModifiedCheckBox, &modifiedCheckbox );

            ::SetWindowModified( GetWindowRef(), ::GetControlValue( modifiedCheckbox ) );

            break;

        default:

            handled = TWindow::HandleCommand( commandID );

            break;

    }

    return handled;

}