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The SBJ MVC Framework - The Model, from Abstraction to Realization

, 20 Mar 2009 CPOL
A Model-View-Controller Framework that integrates with the MFC Doc/View architecture
SbjDevBin201.zip
XmlMvc2090.dll
Shapes.exe
SbjCore2090.dll
SbjDevSrc201.zip
Shapes
Data
res
buttons.bmp
filelarge.bmp
filesmall.bmp
filesmall.png
main.bmp
Shapes.ico
ShapesDoc.ico
Toolbar.bmp
Toolbar256.bmp
treeimages.bmp
vssver.scc
Write - Copy.png
Write.png
Write1.png
writelarge.bmp
writesmall - Copy.bmp
writesmall - Copy.png
writesmall.bmp
writesmall.png
XmlMvc
res
vssver.scc
SbjCore
res
bigcat.ico
main.bmp
properties.bmp
properties_hc.bmp
properties_wnd_hc.ico
vssver.scc
CommonSettings.vsprops
CommonAppDebugSettings.vsprops
CommonAppReleaseSettings.vsprops
CommonDLLDebugSettings.vsprops
CommonDLLReleaseSettings.vsprops
#include "stdafx.h"
#include "Shapes.h"

#include "ShapesDoc.h"
#include "ShapesView.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif

namespace localNS
{
	// DesignViewItems //////////////////////////////////////
	
	class ShapeItem : public SbjCore::Mvc::DesignView::Item
	{
	public:
		ShapeItem() :
			r(0,0,0,0),
			nBorderWidth(1),
			clrBorder(RGB(0,0,0)),
			clrFill((COLORREF)-1)
		{
		}
		virtual ~ShapeItem()
		{
		}
	protected:
		CRect r;
		int nBorderWidth;		
		COLORREF clrBorder;
		COLORREF clrFill;
	private:
		DECLARE_DYNCREATE(ShapeItem)
		
		virtual void OnDraw(CDC* pDC)
		{
			pDC;
			HANDLE hItem = GetModelItemHandle();
			SbjCore::Mvc::Model::Controller* pModelCtrlr = SbjCore::Mvc::Model::GetCurController();
			r = SbjCore::Mvc::Model::Rect::GetItemValue(pModelCtrlr, hItem);
			nBorderWidth = pModelCtrlr->GetItemAttrValue(hItem, _T("borderWidth"));
			clrBorder = pModelCtrlr->GetItemAttrValue(hItem, _T("borderRGB"));
			clrFill = pModelCtrlr->GetItemAttrValue(hItem, _T("fillRGB"));

		}
		virtual bool OnIsTrackable() const
		{
			return true;
		}
		
	};
	IMPLEMENT_DYNCREATE(ShapeItem, SbjCore::Mvc::DesignView::Item)

	
	
	class RectangleItem : public ShapeItem
	{
		DECLARE_DYNCREATE(RectangleItem)
		virtual void OnDraw(CDC* pDC)
		{
			ShapeItem::OnDraw(pDC);
			
			CPen pen(PS_SOLID, nBorderWidth, clrBorder);
			SbjCore::Utils::GDI::Object<CPen> objPen(pDC, &pen);
			LOGBRUSH lb = {BS_HOLLOW, 0, 0};
			CBrush brHollow;
			brHollow.CreateBrushIndirect(&lb);
			SbjCore::Utils::GDI::Object<CBrush> objBrush(pDC, &brHollow);

			if (clrFill != (COLORREF)-1)
			{
				CBrush brush;
				brush.CreateSolidBrush(clrFill);
				pDC->FillRect(r, &brush);
			}
			pDC->Rectangle(r);
		}
	};
	IMPLEMENT_DYNCREATE(RectangleItem, ShapeItem)


	class EllipseItem : public ShapeItem
	{
		DECLARE_DYNCREATE(EllipseItem)
		virtual void OnDraw(CDC* pDC)
		{
			ShapeItem::OnDraw(pDC);
			CPen pen(PS_SOLID, nBorderWidth, clrBorder);
			SbjCore::Utils::GDI::Object<CPen> objPen(pDC, &pen);
			CBrush br;
			br.CreateSolidBrush(clrFill);
			SbjCore::Utils::GDI::Object<CBrush> objBrush(pDC, &br);

			pDC->Ellipse(r);
		}
	};
	IMPLEMENT_DYNCREATE(EllipseItem, ShapeItem)
}

struct ShapesViewImpl : public SbjCore::Mvc::DesignView::Controller
{
	ShapesViewImpl()
	{
	 // must have a root for the design but it isn't drawn
		MapItemRTCToModelTypeName(_T("Drawing"), RUNTIME_CLASS(SbjCore::Mvc::DesignView::Item));
		MapItemRTCToModelTypeName(_T("Rectangle"), RUNTIME_CLASS(localNS::RectangleItem));
		MapItemRTCToModelTypeName(_T("Ellipse"), RUNTIME_CLASS(localNS::EllipseItem));
	}
	
	virtual ~ShapesViewImpl()
	{
	}
	
	virtual SbjCore::Utils::Menu::ItemRange OnPrepareCtxMenu( CMenu& ctxMenu )
	{
		SbjCore::Utils::Menu::ItemRange menuItems;

		menuItems.nFirst = (int)ctxMenu.GetMenuItemCount()-1;
		menuItems.nLast = menuItems.nFirst; 

		if (SbjCore::Utils::Menu::InsertSeparator(ctxMenu, menuItems.nLast))
		{
			menuItems.nLast++;
		}

		(void)ctxMenu.InsertMenu(0, MF_BYPOSITION, ID_CMDS_NEWELLIPSE, _T("New &Ellipse"));
		(void)ctxMenu.InsertMenu(0, MF_BYPOSITION, ID_CMDS_NEWRECTANGLE, _T("New &Rectangle"));
		

		menuItems = SbjCore::Mvc::DesignView::Controller::OnPrepareCtxMenu(ctxMenu);

		return menuItems;
	}
	
	
};

// ShapesView ///////////////////////////////////////////////////////

IMPLEMENT_DYNCREATE(ShapesView, t_Base)

BEGIN_MESSAGE_MAP(ShapesView, t_Base)
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, &t_Base::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, &t_Base::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, &ShapesView::OnFilePrintPreview)
END_MESSAGE_MAP()

ShapesView::ShapesView() :
	m_pImpl(new ShapesViewImpl)
{
	SetController(m_pImpl);
}

ShapesView::~ShapesView()
{
	try
	{
		delete m_pImpl;
	}
	catch(...)
	{
		ASSERT(FALSE);
	}
}

BOOL ShapesView::PreCreateWindow(CREATESTRUCT& cs)
{
	return t_Base::PreCreateWindow(cs);
}

void ShapesView::OnDraw(CDC* pDC)
{
	ShapesDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	if (!pDoc)
	{
		return;
	}
	m_pImpl->Draw(pDC);
}
												

void ShapesView::OnFilePrintPreview()
{
	AFXPrintPreview(this);
}

BOOL ShapesView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void ShapesView::OnBeginPrinting(CDC* pDC, CPrintInfo* /*pInfo*/)
{
	pDC;
}

void ShapesView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
}

void ShapesView::OnRButtonUp(UINT nFlags, CPoint point)
{
	nFlags;
	ClientToScreen(&point);
	OnContextMenu(this, point);
}

void ShapesView::OnContextMenu(CWnd* pWnd, CPoint point)
{
	pWnd;
	theApp.GetContextMenuManager()->ShowPopupMenu(IDR_POPUP_EDIT, point.x, point.y, this, TRUE);
}


// ShapesView diagnostics

#ifdef _DEBUG
void ShapesView::AssertValid() const
{
	t_Base::AssertValid();
}

void ShapesView::Dump(CDumpContext& dc) const
{
	t_Base::Dump(dc);
}

ShapesDoc* ShapesView::GetDocument() const // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(ShapesDoc)));
	return (ShapesDoc*)m_pDocument;
}

#endif //_DEBUG


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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

SBJ

United States United States
Real name is Steve Johnson. Programming since 1979. Started on a Heathkit Micro with a DEC LSI-11 and UCSD Pascal. Moved to PCs & DOS as soon as Turbo Pascal became available. Did some Assembly, ISR, TSR etc. All this while working for a Manufacturing Co. for 8 years. Had my own solo Co. doing barcode labeling software for 4 years (terrible business man, all I wanted to do was code). Since then working for various software companies. Moved to Windows around the time of 3.1 with Borland C then C++. Then on to VC++ and MFC, and just about anything I could get my hands on or had to learn for my job, and been at it ever since. Of course recently I've been playing with .NET, ASP, C#, WPF etc.

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