barchartctrldlg.cpp

a bar chart,a good refernce for the control

// BarChartCtrlDlg.cpp : implementation file
//

#include "stdafx.h"
#include "BarChartCtrl.h"
#include "BarChartCtrlDlg.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBarChartCtrlDlg dialog

CBarChartCtrlDlg::CBarChartCtrlDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CBarChartCtrlDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CBarChartCtrlDlg)
	m_bShowGrid = FALSE;
	m_bShowText = FALSE;
	m_bShowLabel = FALSE;
	m_bScale = FALSE;
	m_nRemIndex = 0;
	m_szLabel = _T("");
	m_szValue = _T("");
	m_bShowTip = FALSE;
	m_nGridHor = 0;
	m_nGridVer = 0;
	//}}AFX_DATA_INIT
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CBarChartCtrlDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CBarChartCtrlDlg)
	DDX_Check(pDX, IDC_SHOW_GRID, m_bShowGrid);
	DDX_Check(pDX, IDC_SHOW_BAR_TEXT, m_bShowText);
	DDX_Check(pDX, IDC_SHOW_LABELS, m_bShowLabel);
	DDX_Check(pDX, IDC_SCALE, m_bScale);
	DDX_Text(pDX, IDC_REM_INDEX, m_nRemIndex);
	DDX_Text(pDX, IDC_ADD_LABEL, m_szLabel);
	DDX_Text(pDX, IDC_ADD_VALUE, m_szValue);
	DDX_Check(pDX, IDC_SHOW_TOOLTIP, m_bShowTip);
	DDX_Text(pDX, IDC_GRID_HOR, m_nGridHor);
	DDX_Text(pDX, IDC_GRID_VER, m_nGridVer);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CBarChartCtrlDlg, CDialog)
	//{{AFX_MSG_MAP(CBarChartCtrlDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_CREATE, OnCreate)
	ON_BN_CLICKED(IDC_RANDOM, OnRandom)
	ON_BN_CLICKED(IDC_SHOW_GRID, OnShowGrid)
	ON_BN_CLICKED(IDC_SHOW_BAR_TEXT, OnShowBarText)
	ON_BN_CLICKED(IDC_SHOW_LABELS, OnShowLabels)
	ON_BN_CLICKED(IDC_SCALE, OnScale)
	ON_WM_SIZE()
	ON_BN_CLICKED(IDC_VALUE, OnValue)
	ON_BN_CLICKED(IDC_PERCENT, OnPercent)
	ON_BN_CLICKED(IDC_CLEAR_ALL, OnClearAll)
	ON_BN_CLICKED(IDC_REMOVE_AT, OnRemoveAt)
	ON_BN_CLICKED(IDC_ADD_BAR, OnAddBar)
	ON_WM_CTLCOLOR()
	ON_BN_CLICKED(IDC_PRINT, OnPrint)
	ON_BN_CLICKED(IDC_SHOW_TOOLTIP, OnShowTooltip)
	ON_BN_CLICKED(IDC_READ_FROM_DATABASE, OnReadFromDatabase)
	ON_BN_CLICKED(IDC_SAVE, OnSave)
	ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN_GRID_VER, OnDeltaposSpinGridVer)
	ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN_GRID_HOR, OnDeltaposSpinGridHor)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CBarChartCtrlDlg message handlers

void CBarChartCtrlDlg::OnOK() 
{
//	CDialog::OnOK();
}

BOOL CBarChartCtrlDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// Need random colors
	srand( (unsigned)time( NULL ) );
	m_brushBK.CreateSolidBrush(RGB(255, 255, 255));

	((CSpinButtonCtrl*) GetDlgItem(IDC_SPIN_GRID_HOR))->SetRange(1, 1000);
	((CSpinButtonCtrl*) GetDlgItem(IDC_SPIN_GRID_VER))->SetRange(1, 1000);

	((CSpinButtonCtrl*) GetDlgItem(IDC_SPIN_GRID_HOR))->SetPos(30);
	((CSpinButtonCtrl*) GetDlgItem(IDC_SPIN_GRID_VER))->SetPos(40);

	m_nGridHor = 30;
	m_nGridVer = 40;

	m_chart.SetGridLines(0, 0, TRUE);

	m_bScale = FALSE;
	m_bShowGrid = TRUE;
	m_bShowLabel = TRUE;
	m_bShowText = TRUE;
	m_bShowTip = TRUE;
	CheckRadioButton(IDC_VALUE, IDC_VALUE, IDC_VALUE);
	
	UpdateData(FALSE);

	return TRUE;
}

void CBarChartCtrlDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CBarChartCtrlDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

HCURSOR CBarChartCtrlDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CBarChartCtrlDlg::OnCreate() 
{
	CRect rcClient;
	GetClientRect(&rcClient);

	if (!m_chart.Create(CRect(110, 50, rcClient.Width()-10, rcClient.Height()-50), this, 1050 ))
	{
		if (!m_chart.GetSafeHwnd())
		{
			AfxMessageBox("Unable to create the chart control");
			return;
		}

		m_chart.Reset();
		m_chart.SetAutoScale(FALSE);
	}

	m_chart.SetTitle("A test chart, displaying some dummy data...");
	m_chart.SetBKColor(RGB(255, 255, 240));
	m_chart.ShowTooltip(TRUE);

	m_chart.AddBar(1600.356,"Jan", RGB(255,255,0));
	m_chart.AddBar(2841.5468,"Feb", RGB(255,0,0));
	m_chart.AddBar(1045.3258,"Mar", RGB(100,100,200));
	m_chart.AddBar(1502.215,"Apr", RGB(0,255,0));
	m_chart.AddBar(1467,"MAY", RGB(255,255,255));
	m_chart.AddBar(1678.354,"JUN", RGB(200,255,255));
	m_chart.AddBar(1785.689,"JUL", RGB(255,240,40));
	m_chart.AddBar(1283.099,"AUG", RGB(255,60,130));
	m_chart.AddBar(1554.879,"SEP", RGB(255,255,200));
	m_chart.AddBar(1400.10,"OCT", RGB(130,235,250));
	m_chart.AddBar(1600.556,"NOV", RGB(100,150,200));
	m_chart.AddBar(1900.3546,"DES", RGB(150,240,80), TRUE);
}

void CBarChartCtrlDlg::OnRandom() 
{
	CRect rcClient;
	GetClientRect(&rcClient);

	if (!m_chart.GetSafeHwnd())
	{
		m_chart.Create(CRect(110, 50, rcClient.Width()-10, rcClient.Height() - 50), this, 0);
	}
	else
	{
		m_chart.Reset();
	}

	m_chart.SetTitle("The same control using some random data and colors...");
	m_chart.SetBKColor(RGB(240, 240, 240));

	for (int i=0;i<15;i++) 
	{
		m_chart.AddBar(rand()%500,"Rand", RGB(rand()%255,rand()%255,rand()%255), FALSE);
	}
	m_chart.Refresh();
}

void CBarChartCtrlDlg::OnShowGrid() 
{
	UpdateData(TRUE);

	m_chart.ShowGrid(m_bShowGrid, TRUE);
}

void CBarChartCtrlDlg::OnShowBarText() 
{
	UpdateData(TRUE);

	m_chart.ShowBarText(1, m_bShowText, TRUE);
}

void CBarChartCtrlDlg::OnShowLabels() 
{
	UpdateData(TRUE);

	m_chart.ShowLabel(m_bShowLabel, TRUE);
}

void CBarChartCtrlDlg::OnShowTooltip() 
{
	UpdateData(TRUE);
	m_chart.ShowTooltip(m_bShowTip);
}

void CBarChartCtrlDlg::OnScale() 
{
	UpdateData(TRUE);

	CRect rcClient;
	GetClientRect(&rcClient);

	m_chart.SetAutoScale(m_bScale);
	m_chart.SetWindowPos(0, 0, 0, rcClient.Width() - 120, rcClient.Height() - 60, SWP_NOMOVE);
	m_chart.Refresh();
	Invalidate();
}

void CBarChartCtrlDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);

	if (m_chart.GetSafeHwnd() )
	{
		m_chart.SetWindowPos(0, 0, 0, cx - 120, cy - 60, SWP_NOMOVE);
	}
}

void CBarChartCtrlDlg::OnValue() 
{
	m_chart.ShowBarText( 1, m_bShowText);
	m_chart.Refresh();
}

void CBarChartCtrlDlg::OnPercent() 
{
	m_chart.ShowBarText( 0, m_bShowText);
	m_chart.Refresh();
}

void CBarChartCtrlDlg::OnClearAll() 
{
	m_chart.RemoveAll();
}

void CBarChartCtrlDlg::OnRemoveAt() 
{
	UpdateData(TRUE);
	m_chart.RemoveAt(m_nRemIndex);
}

void CBarChartCtrlDlg::OnAddBar() 
{
	UpdateData(TRUE);
	
	m_chart.AddBar( atof(m_szValue), m_szLabel, RGB(rand()%255,rand()%255,rand()%255), TRUE);
}

HBRUSH CBarChartCtrlDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	return hbr;
//	if (nCtlColor==CTLCOLOR_DLG) {

		pDC->SetBkColor(RGB(255,255,255));
		pDC->SetBkMode(TRANSPARENT);
		return m_brushBK;
//	}
	
}

void CBarChartCtrlDlg::OnCancel() 
{
	m_brushBK.DeleteObject();

	CDialog::OnCancel();
}

void CBarChartCtrlDlg::OnPrint() 
{
	if (m_chart.GetSafeHwnd())
	{
		m_chart.Print();
	}
}

void CBarChartCtrlDlg::OnReadFromDatabase() 
{
	// First create or reset the chart
	CRect rcClient;
	GetClientRect(&rcClient);

	if (!m_chart.GetSafeHwnd())
	{
		m_chart.Create(CRect(110, 50, rcClient.Width()-10, rcClient.Height() - 50), this, 0);
	}
	else
	{
		m_chart.Reset();
	}

	m_chart.SetTitle("These data are result records of a call to a StoredProcedure");
	m_chart.SetBKColor(RGB(255, 255, 240));

	// CAUTION : JUST one of the ReadFromDatabase must be used, or there will be
	//			 an assertion error.

	// Comment one of the following calls

	// A call that shows how to create a chart using a table

	/*
	if you are un-commenting this, please comment the other first.
	m_chart.ReadFromDatabase("CHTst", "TableConnectionTest", "", "Month", "SaleRate",
		RGB(0, 0, 0) , "Admin", "hamed");
	*/

	// A call that shows how to execute a stored procedure.
	// REMEMBER Stored procedure must return at least 2 parameteres. 
	// First parameter MUST be a LABEL of type Text or char with maximum length of 50
	// and second a double value
	if (!m_chart.ReadFromDatabase("CHTst", "SpChartGetSale", "1, 12", RGB(0, 0, 0), "Admin", "hamed"))
	{
		AfxMessageBox(m_chart.GetLastDatabaseErrMessage());
	}
}

void CBarChartCtrlDlg::OnSave() 
{
	if (!m_chart.SaveToFile())
	{
		AfxMessageBox(m_chart.GetLastErrorMessage());
	};
}

void CBarChartCtrlDlg::OnDeltaposSpinGridVer(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;

	int nCurrent = pNMUpDown->iPos;
	if (pNMUpDown->iDelta>0)
	{
		nCurrent++;
	}
	else
	{
		if (nCurrent>1)	nCurrent --;
	}
	m_chart.SetGridLines(0, nCurrent);
	m_chart.Refresh();

	*pResult = 0;
}

void CBarChartCtrlDlg::OnDeltaposSpinGridHor(NMHDR* pNMHDR, LRESULT* pResult) 
{
	NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
	
	int nCurrent = pNMUpDown->iPos;
	if (pNMUpDown->iDelta>0)
	{
		nCurrent++;
	}
	else
	{
		if (nCurrent>1)	nCurrent --;
	}
	m_chart.SetGridLines(nCurrent, 0);
	m_chart.Refresh();

	*pResult = 0;
}