/*
 * Copyright 2006, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus <superstippi@gmx.de>
 */

#include "SetColorCommand.h"

#include <new>
#include <stdio.h>

#include <Catalog.h>
#include <Locale.h>

#include "GradientTransformable.h"
#include "Style.h"


#undef B_TRANSLATION_CONTEXT
#define B_TRANSLATION_CONTEXT "Icon-O-Matic-SetColorCmd"


using std::nothrow;

// constructor
SetColorCommand::SetColorCommand(Style* style,
                                                                 const rgb_color& color)
        : Command(),
          fStyle(style),
          fColor(color)
{
}

// destructor
SetColorCommand::~SetColorCommand()
{
}

// InitCheck
status_t
SetColorCommand::InitCheck()
{
#ifdef __HAIKU__
        return fStyle && fStyle->Color() != fColor ? B_OK : B_NO_INIT;
#else
        rgb_color color = fStyle->Color();
        return fStyle && *(uint32*)&color != *(uint32*)&fColor ?
                B_OK : B_NO_INIT;
#endif
}

// Perform
status_t
SetColorCommand::Perform()
{
        // toggle the color
        rgb_color previous = fStyle->Color();
        fStyle->SetColor(fColor);
        fColor = previous;

        return B_OK;
}

// Undo
status_t
SetColorCommand::Undo()
{
        return Perform();
}

// GetName
void
SetColorCommand::GetName(BString& name)
{
        name << B_TRANSLATE("Change color");
}

// CombineWithNext
bool
SetColorCommand::CombineWithNext(const Command* command)
{
        const SetColorCommand* next
                = dynamic_cast<const SetColorCommand*>(command);

        if (next && next->fTimeStamp - fTimeStamp < 1000000) {
                fTimeStamp = next->fTimeStamp;
                // NOTE: next was already performed, but
                // when undoing, we want to use our
                // remembered color
                return true;
        }
        return false;
}