// $Revision: 1.8 $
// Copyright (c) 1995 Taligent, Inc.  All rights reserved.

#ifndef TaligentSamples_COLORSOURCEVIEW
#include "ColorSourceView.h"
#endif

#ifndef Taligent_ASSERTIONS
#include <Taligent/Assertions.h>
#endif

#ifndef Taligent_MOUSEDRAGANDDROP
#include <Taligent/MouseDragAndDrop.h>
#endif

#ifndef Taligent_GRAFPORT
#include <Taligent/GrafPort.h>
#endif

#ifndef TaligentSamples_COLORSCRAPITEM
#include "ColorScrapItem.h"
#endif

#ifndef TaligentSamples_SINGLEDRAGANDDROPITEM
#include "SingleDragAndDropItem.h"
#endif

MCollectibleDefinitionsMacro(TColorSourceView, 0);

TColorSourceView::TColorSourceView(const TGPoint& extent, const TGPoint& location, const TColor& color)
    : TContentView(extent, location), MMouseEventHandler(), fColor(color)
{
}

TColorSourceView::~TColorSourceView()
{
}

void 
TColorSourceView::HandleAfterConnectionToViewRoot()
{
    RegisterSimpleTarget(*InternalGetEventReceiver());
    SetCoordinateView(TViewHandle(*this));
}

void 
TColorSourceView::HandleBeforeDisconnectionFromViewRoot()
{
    DeregisterSimpleTarget(*InternalGetEventReceiver());
}

void
TColorSourceView::DrawContents(TGrafPort& port) const
{
    TGArea area;
    GetAllocatedArea(area);
    port.Draw(area, TFillAndFrameBundle(fColor, TRGBColor(0,0,0), 1.0, TPen::kInsetFrame));
}

bool
TColorSourceView::MouseButtonDown(TMouseDownEvent& event, short)
{
    TDeleterFor<MGraphic> graphic = new TEllipse(TGEllipse(TGRect(-10, -10, 10, 10)), 
        new TGrafBundle(fColor, TRGBColor(0,0,0)));

    TDeleterFor<TColorScrapItem> scrap = new TColorScrapItem(fColor);

    TDeleterFor<TSingleDragAndDropItem> dragItem = new TSingleDragAndDropItem(TViewHandle(*this), scrap.OrphanObject());

    TInteractor* interactor = new TMouseDragAndDropInteractor(
        dragItem.OrphanObject(), graphic.OrphanObject(), TViewHandle(*this));

    event.StartInteractor(interactor);

    return true;
}

void
TColorSourceView::HandleAllocatedAreaChanged(const TGArea&)
{
    InvalidateAll();
}

TColorSourceView::TColorSourceView()
    : TContentView(), MMouseEventHandler(), fColor(1, 1, 1)
{
}

TColorSourceView::TColorSourceView(const TColorSourceView& source)
{
    Assertion(false, "cannot copy TColorSourceView");
}