gridsvw5.cpp

mfc internals 源码 mfc internals 源码

void COwnerDrawnComboBox::MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct)
{
	lpMeasureItemStruct->itemHeight = 20;
}

BEGIN_MESSAGE_MAP(COwnerDrawnComboBox, CGXComboBoxWnd)
	//{{AFX_MSG_MAP(COwnerDrawnComboBox)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

BOOL COwnerDrawnComboBox::OnCommand(WPARAM wParam, LPARAM lParam)
{
#if _MFC_VER < 0x0300
	UINT nNotification = HIWORD(lParam);
	HWND hCtl = (HWND) LOWORD(lParam);
#else
	UINT nNotification = HIWORD(wParam);
	HWND hCtl = (HWND) lParam;
#endif

	if (hCtl == m_hWnd)     // is it really this wnd?
	{
		if (nNotification == CBN_SELCHANGE
			|| nNotification == CBN_EDITCHANGE)
		{
			TRACE("Combobox changed\n");
		}
	}

	return CGXComboBoxWnd::OnCommand(wParam, lParam);
}

/////////////////////////////////////////////////////////////////////////////
// CGridSample5View

BEGIN_MESSAGE_MAP(CGridSample5View, CMyGridView)
	//{{AFX_MSG_MAP(CGridSample5View)
	ON_COMMAND(ID_VIEW_USERACTIONS, OnViewUseractions)
	ON_COMMAND(ID_VIEW_SPLITTERVIEW, OnViewSplitterview)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGridSample5View construction/destruction

CGridSample5View::CGridSample5View()
{
	// TODO: add construction code here
}

CGridSample5View::~CGridSample5View()
{
}

BOOL CGridSample5View::ConnectParam()
{
	// Note: this method is copied from CGridSampleView
	//

	BOOL bNew = FALSE;

	// Retrive the zero-based worksheet-id if used as worksheet
	if (GetParentTabWnd(this, TRUE))
		m_nViewID = GetParentTabViewID(this);

	// check if it is a new pane in a splitter window
	CSplitterWnd* pSplitterWnd = GetParentDynamicSplitter(this, TRUE);
	if (pSplitterWnd != NULL)
	{
		CGXGridView *pView = (CGXGridView *) pSplitterWnd->GetPane(0, 0);
		if (pView != this)
			m_nViewID = pView->GetViewID();
	}

	// check if parameter-object exist (in document)
	if (GetDocument()->GetParam(m_nViewID) == NULL)
	{
		// create a parameter-object on the heap
		GetDocument()->SetParam(m_nViewID, new CGXGridParam);

		bNew = TRUE;    // this view needs initializing
	}

	// connect parameter-object with grid
	SetParam((CGXGridParam*) GetDocument()->GetParam(m_nViewID), FALSE);

	return bNew;
}

void CGridSample5View::SetupControls()
{
	// Register all controls for the view

	// First, the simple control
	RegisterControl(IDS_CTRL_SIMPLE, new CSimpleButton(this));

	// With its MsgText to display when the button is pressed
	GetParam()->GetStylesMap()->AddUserAttribute(IDS_ATTR_MSGTEXT);
	// the Message Text is specified in OnInitialUpdate!

	// In OnInitialUpdate, I do set the default value for this attribute
	// by calling style->SetUserAttribute(IDS_ATTR_MSGTEXT, "You pressed the button");

	RegisterControl(IDS_CTRL_EDITBTN, new CBitmapBtnEdit(this, IDS_CTRL_EDITBTN));

	RegisterControl(IDS_CTRL_ARROWHEADER, new CArrowRowHeader(this));

	RegisterControl(GX_IDS_CTRL_COMBOBOX, new CMyComboBox(this, 2001, 2002, 0));

	// CGXWndWrapper allows you to register any CWnd you want.
	CGXTabBeam* pBeam = new CGXTabBeam;
	pBeam->Create(WS_CHILD | WS_CLIPSIBLINGS, CRect(0,0,0,0), this, IDS_CTRL_TABBEAM);
	pBeam->InsertTab(FALSE, "Tab 1");
	pBeam->InsertTab(FALSE, "Tab 2");
	pBeam->InsertTab(FALSE, "Tab 3");
	pBeam->AdjustTabSize(0);
	pBeam->AdjustTabSize(1);
	pBeam->AdjustTabSize(2);
	pBeam->DisplayScrollBtns(FALSE);
	RegisterControl(IDS_CTRL_TABBEAM, new CGXWndWrapper(this, pBeam, TRUE, TRUE, TRUE));

	// ownerdrawn CComboBox with CBS_DROPDOWNLIST style
	{
		CGXComboBoxWnd* pWnd = new COwnerDrawnComboBox(this);
		pWnd->Create(WS_VSCROLL | CBS_DROPDOWNLIST | CBS_OWNERDRAWFIXED, IDS_CTRL_OWNERDRAWNDROPDOWN);
		RegisterControl(IDS_CTRL_OWNERDRAWNDROPDOWN, pWnd);

		for (int n = 0; n < 20; n++)
			pWnd->AddString((LPCTSTR) VGAColorsArray[n]);
	}
}

/////////////////////////////////////////////////////////////////////////////
// CGridSample5View drawing

void CGridSample5View::OnInitialUpdate()
{
	BOOL bNew = ConnectParam();

	CMyGridView::OnInitialUpdate(); // Creates all objects and links them to the grid

	// Register all controls for the view
	SetupControls();

	if (bNew)
	{
		// Don't create undo-information for the following commands
		GetParam()->EnableUndo(FALSE);
		// (at the end of this procedure, I will reenable it)

		// Apply Arrow-Header-Control to Row-Header-Style
		RowHeaderStyle()
			.SetControl(IDS_CTRL_ARROWHEADER)
			.SetEnabled(FALSE);             // disables usage as current cell

		// Apply Dropdown-List-Control to Column-Header-Style
		ColHeaderStyle()
			.SetControl(GX_IDS_CTRL_CBS_DROPDOWNLIST)
			.SetInterior(RGB(192,192,192))
			.SetHorizontalAlignment(DT_CENTER)
			.SetWrapText(FALSE)
			.SetVerticalAlignment(DT_VCENTER)
			.SetFont(CGXFont().SetBold(TRUE))
			.SetChoiceList("Combo Box\none\ntwo\nthree\nfour\nfive\nsix\nseven\neight")
			.SetValue("Combo Box")
			.SetDraw3dFrame(gxFrameRaised);

		SetRowHeight(0, 0, 30);

		// Cell (0,0) is treated like a normal column header
		// So, I do need to reset the style for the cell explicitly.
		SetStyleRange(CGXRange(0,0), CGXStyle()
				.SetControl(GX_IDS_CTRL_HEADER)
				.SetEnabled(FALSE)          // disables usage as current cell
				.SetValue("")
			);

		// Turn off selecting whole columns when clicking on a column header
		GetParam()->EnableSelection((WORD) (GX_SELFULL & ~GX_SELCOL & ~GX_SELTABLE));


		// Apply default message text for simple control to standard style
		StandardStyle()
			.SetUserAttribute(IDS_ATTR_MSGTEXT, "You pressed the button");

		// Number of rows and columns
		SetRowCount(100);
		SetColCount(20);

		// Turn off displaying vertical and horizontal lines
		CGXProperties* pProp = GetParam()->GetProperties();

		pProp->SetDisplayVertLines(FALSE);
		pProp->SetDisplayHorzLines(FALSE);

		pProp->SetPrintRowHeaders(FALSE);   // no row headers when printing

		// Setup the table of controls

		SetRowHeight(5, 25, Height_LPtoDP(GX_NYHEIGHT)*2);
					// GX_NYHEIGHT is the logical height of a line

		SetColWidth(2, 2, Width_LPtoDP(GX_NXAVGWIDTH)*16);
		SetColWidth(3, 3, Width_LPtoDP(GX_NXAVGWIDTH)*16);
					// GX_NXAVGWIDTH is the average logical width of a char

		// Fill table

		// Background and interior borders

		SetStyleRange(CGXRange(5,2,24,3), CGXStyle()
				.SetBorders(gxBorderAll, CGXPen().SetStyle(PS_DOT))
				.SetInterior(RGB(192, 192, 192))
			);

		// Alignment

		SetStyleRange(CGXRange(5,2,24,2), CGXStyle()
				.SetVerticalAlignment(DT_VCENTER)
				.SetHorizontalAlignment(DT_CENTER)
				.SetFont(CGXFont().SetBold(TRUE))
			);

		// Headers

		SetStyleRange(CGXRange(5,2,5,3), CGXStyle()
				.SetBorders(gxBorderBottom, CGXPen().SetWidth(2))
				.SetBorders(gxBorderTop, CGXPen().SetWidth(2))
				.SetFont(CGXFont().SetBold(TRUE).SetSize(12))
				.SetEnabled(FALSE)          // disables usage as current cell
				.SetInterior(RGB(192,192,192))   // light grey
				.SetHorizontalAlignment(DT_CENTER)
				.SetVerticalAlignment(DT_VCENTER)
				);


		SetStyleRange(CGXRange(5,2), CGXStyle().SetValue("Name"));
		SetStyleRange(CGXRange(5,3), CGXStyle().SetValue("Control"));
		SetStyleRange(CGXRange(5,2,24,2), CGXStyle().SetEnabled(FALSE));

		// thick borders

		SetStyleRange(CGXRange(5,3,24,3), CGXStyle().SetBorders(gxBorderLeft, CGXPen().SetWidth(2)));
		SetStyleRange(CGXRange(5,2,24,2), CGXStyle().SetBorders(gxBorderLeft, CGXPen().SetWidth(2)));
		SetStyleRange(CGXRange(5,3,24,3), CGXStyle().SetBorders(gxBorderRight, CGXPen().SetWidth(2)));
		SetStyleRange(CGXRange(24,2,24,3), CGXStyle().SetBorders(gxBorderBottom, CGXPen().SetWidth(2)));

		// controls

		SetStyleRange(CGXRange(6,2), CGXStyle().SetValue("CSimpleButton"));
		SetStyleRange(CGXRange(6,3), CGXStyle()
				.SetControl(IDS_CTRL_SIMPLE)
				.SetHorizontalAlignment(DT_CENTER)
				.SetVerticalAlignment(DT_VCENTER)
				.SetInterior(RGB(192,192,192))
				.SetFont(CGXFont().SetBold(TRUE))
				.SetValue("Simple")
			);

		SetCoveredCellsRowCol(6, 4, 7, 5);
		SetStyleRange(CGXRange(6,4), "<- You can specify the message text with Format->Cells->User");

		SetStyleRange(CGXRange(7,2), CGXStyle().SetValue("CGXEditControl"));
		SetStyleRange(CGXRange(7,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_EDIT)
				.SetValue("Editable Text")
			);

		SetStyleRange(CGXRange(8,2), CGXStyle().SetValue("CGXSpinEdit"));
		SetStyleRange(CGXRange(8,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_SPINEDIT)
				.SetValue("0")
			);

		SetStyleRange(CGXRange(9,2), CGXStyle().SetValue("CGXHotSpotEdit"));
		SetStyleRange(CGXRange(9,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_HOTSPOT)
				.SetValue("Editable Text")
			);

		SetStyleRange(CGXRange(10,2), CGXStyle().SetValue("CGXCheckBox"));
		SetStyleRange(CGXRange(10,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_CHECKBOX)
				.SetChoiceList("Click Me!")
			);

		SetStyleRange(CGXRange(11,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_CHECKBOX3D)
				.SetChoiceList("Click Me!")
				.SetInterior(RGB(192,192,192))
			);


		SetStyleRange(CGXRange(12,2), CGXStyle().SetValue("CGXPushbutton"));
		SetStyleRange(CGXRange(12,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_PUSHBTN)
				.SetChoiceList("Push Me!")
			);

		SetStyleRange(CGXRange(13,2), CGXStyle().SetValue("CGXStatic"));
		SetStyleRange(CGXRange(13,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_STATIC)
				.SetValue("Text")
			);

		SetCoveredCellsRowCol(14,2,15,2);
		SetStyleRange(CGXRange(14,2), CGXStyle().SetValue("CGXRadioButton"));
		SetCoveredCellsRowCol(14,3,15,3);
		SetStyleRange(CGXRange(14,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_RADIOBTN)
				.SetChoiceList("one\ntwo\nthree\n")
			);
		SetCoveredCellsRowCol(16,2,17,2);
		SetCoveredCellsRowCol(16,3,17,3);
		SetStyleRange(CGXRange(16,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_RADIOBTN3D)
				.SetChoiceList("one\ntwo\nthree\n")
				.SetInterior(RGB(192,192,192))
			);

		SetCoveredCellsRowCol(18,2,19,2);
		SetStyleRange(CGXRange(18,2), CGXStyle().SetValue("CGXListBox"));
		SetCoveredCellsRowCol(18,3,19,3);
		SetStyleRange(CGXRange(18,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_LISTBOX)
				.SetChoiceList("one\ntwo\nthree\n")
			);

		SetStyleRange(CGXRange(20,2), CGXStyle().SetValue("CGXComboBox"));
		SetStyleRange(CGXRange(20,3), CGXStyle()
				.SetControl(GX_IDS_CTRL_COMBOBOX)
				.SetChoiceList("one\ntwo\nthree\nfour\n")
				.SetValue("one")
			);

		SetStyleRange(CGXRange(21,2), CGXStyle().SetValue("CBitmapBtnEdit"));
		SetStyleRange(CGXRange(21,3), CGXStyle()
				.SetControl(IDS_CTRL_EDITBTN)
				.SetValue("Editable Text with button")
			);

		SetStyleRange(CGXRange(22,2), CGXStyle().SetValue("CGXWndWrapper"));
		SetStyleRange(CGXRange(22,3), CGXStyle()
				.SetControl(IDS_CTRL_TABBEAM)
			);

		SetStyleRange(CGXRange(23,2), CGXStyle().SetValue("COwnerDrawnComboBox"));
		SetStyleRange(CGXRange(23,3), CGXStyle()
				.SetControl(IDS_CTRL_OWNERDRAWNDROPDOWN)
			);

		// Instructions

		SetCoveredCellsRowCol(1, 1, 3, 5);
		SetStyleRange(CGXRange(1,1),
			CGXStyle()
				.SetWrapText(TRUE)
				.SetEnabled(FALSE)
				.SetFont(CGXFont().SetFaceName("Times New Roman"))
				.SetInterior(RGB(255,251,240))   // Off-white
				.SetHorizontalAlignment(DT_CENTER)
				.SetVerticalAlignment(DT_VCENTER)
				.SetControl(GX_IDS_CTRL_STATIC)
				.SetBorders(gxBorderAll, CGXPen().SetWidth(2))
				.SetValue(szInstruct));

		// Enable creation of undo-information for user interactions
		GetParam()->EnableUndo(TRUE);
	}

	// Position the current cell

	SetCurrentCell(4, 1, FALSE /* avoid immediate updating */);

	// Enable Update-Hint-Mechanism

	EnableHints();
}

/////////////////////////////////////////////////////////////////////////////
// CGridSample5View diagnostics

#ifdef _DEBUG
void CGridSample5View::AssertValid() const
{
	CMyGridView::AssertValid();
}

void CGridSample5View::Dump(CDumpContext& dc) const
{
	CMyGridView::Dump(dc);
}

CGridSampleDoc* CGridSample5View::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CGridSampleDoc)));
	return (CGridSampleDoc*) m_pDocument;
}

#endif //_DEBUG


/////////////////////////////////////////////////////////////////////////////
// CGridSample5View message handlers

// Menu handler for View->Splitter View

void CGridSample5View::OnViewSplitterview()
{
	CDocument* pDoc = GetDocument();

	CMyMultiDocTemplate* pTemplate
		= (CMyMultiDocTemplate*) ((CGridSampleApp*) AfxGetApp())->m_pSplitterTemplate;

	pTemplate->SetViewClass(GetRuntimeClass());

	CMDIChildWnd* pNewFrame
		= (CMDIChildWnd*) pTemplate->CreateNewFrame(GetDocument(), NULL);

	if (pNewFrame == NULL)
		return;     // not created

	ASSERT(pNewFrame->IsKindOf(RUNTIME_CLASS(CSplitterMDIChildWnd)));

	CSplitterWnd& splitter = (CSplitterWnd&)
		((CSplitterMDIChildWnd *) pNewFrame)->m_wndSplitter;

	CGridSample5View* pView = (CGridSample5View*)
		splitter.GetPane(0, 0);

	// Set view id to active tab view id
	pView->m_nViewID = m_nViewID;

	pTemplate->InitialUpdateFrame(pNewFrame, pDoc);

	pNewFrame->GetActiveView();
	ASSERT(pView);
}

// Menu handler for View->User Actions...

void CGridSample5View::OnViewUseractions()
{
/*
	// just some performance checking
	((CMDIChildWnd*) GetParentFrame())->MDIMaximize();

	OnViewZoomin();
	OnViewZoomin();
	OnViewZoomin();

	OnViewZoomout();
	OnViewZoomout();
	OnViewZoomout();
	OnViewZoomout();
	OnViewZoomout();

	OnViewZoomin();
	OnViewZoomin();
	OnViewZoomin();
	OnViewZoomin();
	OnViewZoomin();

	OnViewZoomout();
	OnViewZoomout();
	OnViewZoomout();

	ProcessKeys(this, WM_CHAR, 20, 1, 0);
*/

	// Note: this method is copied from CGridSampleView
	//
	// Shows a dialog with some attributes of the parameter-object
	// where you can experiment with some attributes
	// such as allowing the user to track columns, select cells
	// or use the grid as a listbox.

	// Transfer Current Cell's Data to grid
	if (!TransferCurrentCell())
		return;

	CUserActionsDialog dlg(GetParam());

	if (dlg.DoModal() == IDOK)
	{
		// Redraw the grid
		Redraw();
	}
}