chartctrl.cpp

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        }

    return;
    }

/************************************************************************************************/
/*                                                                                              */
/* Function: CChartCtrl::UpdateWindow()                                                         */
/*                                                                                              */
/* Purpose : updates all chart window components and forces a complete redraw via a forced      */
/*           WM_SIZE message                                                                    */
/*                                                                                              */
/* Inputs  : NONE                                                                               */
/*                                                                                              */
/* Outputs : NONE                                                                               */
/*                                                                                              */
/* Author  : Scott Pelger                                             Date Created: 7JUN02      */
/*                                                                                              */
/* Revisions                                                                                    */
/*                                                                                              */
/* Engineer              Date        Description                                                */
/*                                                                                              */
/* Scott Pelger          7JUN02      initial version                                            */
/*                                                                                              */
/************************************************************************************************/
void CChartCtrl::UpdateWindow() {

    //setting the styles causes some attributes to be adjusted immediately
    //let's reset them now and cause a refresh this way...
    SetAxisStyleX(GetAxisStyleX());
    SetAxisStyleY(GetAxisStyleY());

    m_wndHeaderWnd.UpdateWindow();
    m_wndFooterWnd.UpdateWindow();
    m_wndLegendWnd.UpdateWindow();
    m_wndChartWnd.UpdateWindow();

    m_wndChartWnd.DrawChart();

    //force OnSize() to be called for the whole control
    //sometimes not everything is drawn correctly the first time
    CRect Rect;
    GetClientRect(&Rect);
    SendMessage(WM_SIZE, 0, MAKELPARAM(Rect.Width(), Rect.Height()));
}

/************************************************************************************************/
/*                                                                                              */
/* Function: CChartCtrl::Invalidate()                                                           */
/*                                                                                              */
/* Purpose : invalidates all chart window components and forces a complete redraw via a forced  */
/*           WM_SIZE message                                                                    */
/*                                                                                              */
/* Inputs  : BOOL bErase -> TRUE if an erase operation should take place                        */
/*                                                                                              */
/* Outputs : NONE                                                                               */
/*                                                                                              */
/* Author  : Scott Pelger                                             Date Created: 7JUN02      */
/*                                                                                              */
/* Revisions                                                                                    */
/*                                                                                              */
/* Engineer              Date        Description                                                */
/*                                                                                              */
/* Scott Pelger          7JUN02      initial version                                            */
/*                                                                                              */
/************************************************************************************************/
void CChartCtrl::Invalidate(BOOL bErase/*=TRUE*/) {
    
    m_wndHeaderWnd.Invalidate(bErase);
    m_wndFooterWnd.Invalidate(bErase);
    m_wndLegendWnd.Invalidate(bErase);
    m_wndChartWnd.Invalidate(bErase);
    
    if (bErase) {
        //force OnSize() to be called for the whole control
        //sometimes not everything is drawn correctly the first time
        CRect Rect;
        GetClientRect(&Rect);
        SendMessage(WM_SIZE, 0, MAKELPARAM(Rect.Width(), Rect.Height()));
        }

    return;
    }

/************************************************************************************************/
/*                                                                                              */
/* Function: CChartCtrl::SetHeaderText()                                                        */
/*                                                                                              */
/* Purpose : called to set the text of one of the three fields of the header                    */
/*                                                                                              */
/* Inputs  : CHART_WINDOW_POSITION Position -> field to set                                     */
/*           CString& Text -> text to set                                                       */
/*                                                                                              */
/* Outputs : NONE                                                                               */
/*                                                                                              */
/* Author  : Scott Pelger                                             Date Created: 7JUN02      */
/*                                                                                              */
/* Revisions                                                                                    */
/*                                                                                              */
/* Engineer              Date        Description                                                */
/*                                                                                              */
/* Scott Pelger          7JUN02      initial version                                            */
/*                                                                                              */
/************************************************************************************************/
void CChartCtrl::SetHeaderText(CHART_WINDOW_POSITION Position, CString& Text) {
    
    switch (Position) {
        case eLEFT :
            m_wndHeaderWnd.SetLText(Text);
            break;
        case eMIDDLE :
            m_wndHeaderWnd.SetMText(Text);
            break;
        case eRIGHT :
            m_wndHeaderWnd.SetRText(Text);
        }

    return;
    }

/************************************************************************************************/
/*                                                                                              */
/* Function: CChartCtrl::SetFooterText()                                                        */
/*                                                                                              */
/* Purpose : called to set the text of one of the three fields of the header                    */
/*                                                                                              */
/* Inputs  : CHART_WINDOW_POSITION Position -> field to set                                     */
/*           CString& Text -> text to set                                                       */
/*                                                                                              */
/* Outputs : NONE                                                                               */
/*                                                                                              */
/* Author  : Scott Pelger                                             Date Created: 7JUN02      */
/*                                                                                              */
/* Revisions                                                                                    */
/*                                                                                              */
/* Engineer              Date        Description                                                */
/*                                                                                              */
/* Scott Pelger          7JUN02      initial version                                            */
/*                                                                                              */
/************************************************************************************************/
void CChartCtrl::SetFooterText(CHART_WINDOW_POSITION Position, CString& Text) {
    
    switch (Position) {
        case eLEFT :
            m_wndFooterWnd.SetLText(Text);
            break;
        case eMIDDLE :
            m_wndFooterWnd.SetMText(Text);
            break;
        case eRIGHT :
            m_wndFooterWnd.SetRText(Text);
        }
    
    return;
    }

/************************************************************************************************/
/*                                                                                              */
/* Function: CChartCtrl::AddDataPoint()                                                         */
/*                                                                                              */
/* Purpose : called to add a data point to the chart                                            */
/*                                                                                              */
/* Inputs  : CDataPoint* pDataPoint -> data point to add                                        */
/*           int nDataSeries -> series to which this data point belongs to                      */
/*                                                                                              */
/* Outputs : BOOL <- TRUE if a data point was removed from the series, FALSE otherwise, can     */
/*           only happen when in strip chart mode                                               */
/*                                                                                              */
/* Author  : Scott Pelger                                             Date Created: 7JUN02      */
/*                                                                                              */
/* Revisions                                                                                    */
/*                                                                                              */
/* Engineer              Date        Description                                                */
/*                                                                                              */
/* Scott Pelger          7JUN02      initial version                                            */
/* Scott Pelger          27JUN02     don't add a point legend if chart type is any strip chart  */
/*                                                                                              */
/************************************************************************************************/
BOOL CChartCtrl::AddDataPoint(CDataPoint* pDataPoint, int nDataSeries/*=0*/) {
    
    //if we are data series 0 and not a strip chart then add a point legend item
    if (!nDataSeries&&
        !(TYPE_STRIP_CHART       ==m_eChartType||
          TYPE_STRIP_CHART_FILLED==m_eChartType))
        m_wndLegendWnd.AddPointItem(pDataPoint->m_sCaption, pDataPoint->m_crColor); 
    
    BOOL bRemoved = m_wndChartWnd.m_DataSeriesArray.AddDataPoint(pDataPoint, nDataSeries);

    //if we are data series 0 and not a strip chart then remove a point legend item if a point
    //was removed, kind of redundant of a check since a point can only be automatically
    //removed if the chart style is any strip type
    if (!nDataSeries&&bRemoved&&
        !(TYPE_STRIP_CHART       ==m_eChartType||
          TYPE_STRIP_CHART_FILLED==m_eChartType))
        m_wndLegendWnd.RemovePointItem(0);

    m_wndChartWnd.NotifyRemovedDataPoint(bRemoved);
    
    return bRemoved;
    }

void CChartCtrl::OnLButtonDblClk(UINT nFlags, CPoint point) {
		
    CWnd* pWnd = GetParent();
    if (pWnd) {
        //convert the point coordinate to that of the parents
        ClientToScreen(&point);
        pWnd->ScreenToClient(&point);
        LPARAM lParam(point.y<<16);
        lParam += point.x;
        pWnd->SendMessage(WM_LBUTTONDBLCLK, (WPARAM)nFlags, lParam);
        }
        
    return;
    }

void CChartCtrl::OnRButtonDown(UINT nFlags, CPoint point) {
	
    CWnd* pWnd = GetParent();
    if (pWnd) {
        //convert the point coordinate to that of the parents
        ClientToScreen(&point);
        pWnd->ScreenToClient(&point);
        LPARAM lParam(point.y<<16);
        lParam += point.x;
        pWnd->SendMessage(WM_RBUTTONDOWN, (WPARAM)nFlags, lParam);
        }
        
    return;
    }

void CChartCtrl::OnPaint() {
	
    CPaintDC dc(this);
	
    if (GetStyle()&RAISED_BORDER) {
        CRect Rect;
        GetClientRect(&Rect);
        dc.DrawEdge(&Rect, BDR_SUNKENINNER|BDR_SUNKENOUTER, BF_RECT);
    }
}

LRESULT CChartCtrl::OnGetPopupText(WPARAM wParam, LPARAM lParam) {
    CDataPoint* pDataPoint = (CDataPoint*)wParam;
    CString* MessageText = (CString*)lParam;
    MessageText->Format("%.0f",pDataPoint->m_dY);
	return 0;
}