src/html/m_tables.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        m_tables.cpp
// Purpose:     wxHtml module for tables
// Author:      Vaclav Slavik
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation
#endif

#include "wx/wxprec.h"

#include "wx/defs.h"
#if wxUSE_HTML && wxUSE_STREAMS
#ifdef __BORDLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
#include "wx/wx.h"
#endif


/*
REMARKS:
    1. This version of m_tables doesn't support auto-layout algorithm.
       This means that all columns are of same width unless explicitly specified.
*/


#include "wx/html/forcelnk.h"
#include "wx/html/m_templ.h"

#include "wx/html/htmlcell.h"

FORCE_LINK_ME(m_tables)


#define TABLE_BORDER_CLR_1  wxColour(0xC5, 0xC2, 0xC5)
#define TABLE_BORDER_CLR_2  wxColour(0x62, 0x61, 0x62)


//-----------------------------------------------------------------------------
// wxHtmlTableCell
//-----------------------------------------------------------------------------


typedef struct {
        int width, units;                      // universal
        int leftpos, pixwidth, maxrealwidth;   // temporary (depends on width of table)
    } colStruct;

typedef enum {
        cellSpan,
        cellUsed,
        cellFree
    } cellState;

typedef struct {
        wxHtmlContainerCell *cont;
        int colspan, rowspan;
        int minheight, valign;
        cellState flag;
    } cellStruct;


class wxHtmlTableCell : public wxHtmlContainerCell
{
    protected:
        /* These are real attributes: */
        bool m_HasBorders;
                // should we draw borders or not?
        int m_NumCols, m_NumRows;
                // number of columns; rows
        colStruct *m_ColsInfo;
                // array of column information
        cellStruct **m_CellInfo;
                // 2D array of all cells in the table : m_CellInfo[row][column]
        int m_Spacing;
                // spaces between cells
        int m_Padding;
                // cells internal indentation

    private:
        /* ...and these are valid only during parsing of table: */
        int m_ActualCol, m_ActualRow;
                // number of actual column (ranging from 0..m_NumCols)

        // default values (for table and row):
        int m_tBkg, m_rBkg;
        wxString m_tValign, m_rValign;

        double m_PixelScale;


    public:
        wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale = 1.0);
        ~wxHtmlTableCell();
        virtual void Layout(int w);

        void AddRow(const wxHtmlTag& tag);
        void AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag);
    private:
        void ReallocCols(int cols);
        void ReallocRows(int rows);
                // reallocates memory to given number of cols/rows
                // and changes m_NumCols/m_NumRows value to reflect this change
                // NOTE! You CAN'T change m_NumCols/m_NumRows before calling this!!
};


wxHtmlTableCell::wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale)
 : wxHtmlContainerCell(parent)
{
    m_PixelScale = pixel_scale;
    m_HasBorders = (tag.HasParam(wxT("BORDER")) && tag.GetParam(wxT("BORDER")) != wxT("0"));
    m_ColsInfo = NULL;
    m_NumCols = m_NumRows = 0;
    m_CellInfo = NULL;
    m_ActualCol = m_ActualRow = -1;

    /* scan params: */
    m_tBkg = m_rBkg = -1;
    if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &m_tBkg);
    if (tag.HasParam(wxT("VALIGN"))) m_tValign = tag.GetParam(wxT("VALIGN")); else m_tValign = wxEmptyString;
    if (tag.HasParam(wxT("CELLSPACING")) && tag.ScanParam(wxT("CELLSPACING"), wxT("%i"), &m_Spacing) == 1) {} else m_Spacing = 2;
    if (tag.HasParam(wxT("CELLPADDING")) && tag.ScanParam(wxT("CELLPADDING"), wxT("%i"), &m_Padding) == 1) {} else m_Padding = 3;
    m_Spacing = (int)(m_PixelScale * (double)m_Spacing);
    m_Padding = (int)(m_PixelScale * (double)m_Padding);

    if (m_HasBorders)
        SetBorder(TABLE_BORDER_CLR_1, TABLE_BORDER_CLR_2);
}


wxHtmlTableCell::~wxHtmlTableCell()
{
    if (m_ColsInfo) free(m_ColsInfo);
    if (m_CellInfo) {
        for (int i = 0; i < m_NumRows; i++)
            free(m_CellInfo[i]);
        free(m_CellInfo);
    }
}


void wxHtmlTableCell::ReallocCols(int cols)
{
    int i,j;

    for (i = 0; i < m_NumRows; i++) {
        m_CellInfo[i] = (cellStruct*) realloc(m_CellInfo[i], sizeof(cellStruct) * cols);
        for (j = m_NumCols; j < cols; j++)
            m_CellInfo[i][j].flag = cellFree;
    }

    m_ColsInfo = (colStruct*) realloc(m_ColsInfo, sizeof(colStruct) * cols);
    for (j = m_NumCols; j < cols; j++) {
           m_ColsInfo[j].width = 0;
           m_ColsInfo[j].units = wxHTML_UNITS_PERCENT;
    }

    m_NumCols = cols;
}


void wxHtmlTableCell::ReallocRows(int rows)
{
    m_CellInfo = (cellStruct**) realloc(m_CellInfo, sizeof(cellStruct*) * rows);
    for (int row = m_NumRows; row < rows ; row++)
    {
        if (m_NumCols == 0)
            m_CellInfo[row] = NULL;
        else
        {
            m_CellInfo[row] = (cellStruct*) malloc(sizeof(cellStruct) * m_NumCols);
            for (int col = 0; col < m_NumCols; col++)
                m_CellInfo[row][col].flag = cellFree;
        }
    }
    m_NumRows = rows;
}


void wxHtmlTableCell::AddRow(const wxHtmlTag& tag)
{
    if (m_ActualRow + 1 > m_NumRows - 1)
        ReallocRows(m_ActualRow + 2);
    m_ActualRow++;
    m_ActualCol = -1;

    /* scan params: */
    m_rBkg = m_tBkg;
    if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &m_rBkg);
    if (tag.HasParam(wxT("VALIGN"))) m_rValign = tag.GetParam(wxT("VALIGN")); else m_rValign = m_tValign;
}


void wxHtmlTableCell::AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag)
{
    do {
        m_ActualCol++;
    } while ((m_ActualCol < m_NumCols) && (m_CellInfo[m_ActualRow][m_ActualCol].flag != cellFree));
    if (m_ActualCol > m_NumCols - 1)
        ReallocCols(m_ActualCol + 1);

    int r = m_ActualRow, c = m_ActualCol;

    m_CellInfo[r][c].cont = cell;
    m_CellInfo[r][c].colspan = 1;
    m_CellInfo[r][c].rowspan = 1;
    m_CellInfo[r][c].flag = cellUsed;
    m_CellInfo[r][c].minheight = 0;
    m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;

    /* scan for parameters: */

    // width:
    {
        if (tag.HasParam("WIDTH")) {
            wxString wd = tag.GetParam("WIDTH");

            if (wd[wd.Length()-1] == '%') {
                wxSscanf(wd.c_str(), wxT("%i%%"), &m_ColsInfo[c].width);
                m_ColsInfo[c].units = wxHTML_UNITS_PERCENT;
            }
            else {
                wxSscanf(wd.c_str(), wxT("%i"), &m_ColsInfo[c].width);
                m_ColsInfo[c].width = (int)(m_PixelScale * (double)m_ColsInfo[c].width);
                m_ColsInfo[c].units = wxHTML_UNITS_PIXELS;
            }
        }
    }


    // spanning:
    {
        if (tag.HasParam(wxT("COLSPAN"))) tag.ScanParam(wxT("COLSPAN"), wxT("%i"), &m_CellInfo[r][c].colspan);
        if (tag.HasParam(wxT("ROWSPAN"))) tag.ScanParam(wxT("ROWSPAN"), wxT("%i"), &m_CellInfo[r][c].rowspan);
        if ((m_CellInfo[r][c].colspan != 1) || (m_CellInfo[r][c].rowspan != 1)) {
            int i, j;

            if (r + m_CellInfo[r][c].rowspan > m_NumRows) ReallocRows(r + m_CellInfo[r][c].rowspan);
            if (c + m_CellInfo[r][c].colspan > m_NumCols) ReallocCols(c + m_CellInfo[r][c].colspan);
            for (i = r; i < r + m_CellInfo[r][c].rowspan; i++)
                for (j = c; j < c + m_CellInfo[r][c].colspan; j++)
                    m_CellInfo[i][j].flag = cellSpan;
            m_CellInfo[r][c].flag = cellUsed;
        }
    }

    //background color:
    {
        int bk = m_rBkg;
        if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &bk);
        if (bk != -1) {
            wxColour clr = wxColour((bk & 0xFF0000) >> 16 , (bk & 0x00FF00) >> 8, (bk & 0x0000FF));
            cell -> SetBackgroundColour(clr);
        }
    }
    if (m_HasBorders)
        cell -> SetBorder(TABLE_BORDER_CLR_2, TABLE_BORDER_CLR_1);

    // vertical alignment:
    {
        wxString valign;
        if (tag.HasParam(wxT("VALIGN"))) valign = tag.GetParam(wxT("VALIGN")); else valign = m_tValign;
        valign.MakeUpper();
        if (valign == wxT("TOP")) m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
        else if (valign == wxT("BOTTOM")) m_CellInfo[r][c].valign = wxHTML_ALIGN_BOTTOM;
        else m_CellInfo[r][c].valign = wxHTML_ALIGN_CENTER;
    }

    cell -> SetIndent(m_Padding, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
}


void wxHtmlTableCell::Layout(int w)
{
    /*

    WIDTH ADJUSTING :

    */

    if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) {
        if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
        else m_Width = m_WidthFloat * w / 100;
    }
    else {
        if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
        else m_Width = m_WidthFloat;
    }


    /*

    LAYOUTING :

    */

    /* 1.  setup columns widths: */
    {
        int wpix = m_Width - (m_NumCols + 1) * m_Spacing;
        int i, j;
        int wtemp = 0;

        // 1a. setup fixed-width columns:
        for (i = 0; i < m_NumCols; i++)
            if (m_ColsInfo[i].units == wxHTML_UNITS_PIXELS)
                wpix -= (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width);

        // 1b. setup floating-width columns:
        for (i = 0; i < m_NumCols; i++)
            if ((m_ColsInfo[i].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[i].width != 0))
                wtemp += (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width * wpix / 100);
        wpix -= wtemp;

        // 1c. setup defalut columns (no width specification supplied):
        // NOTE! This algorithm doesn't conform to HTML standard : it assigns equal widths
        // instead of optimal
        for (i = j = 0; i < m_NumCols; i++)
            if (m_ColsInfo[i].width == 0) j++;
        for (i = 0; i < m_NumCols; i++)
            if (m_ColsInfo[i].width == 0)
                m_ColsInfo[i].pixwidth = wpix / j;
    }

    /* 2.  compute positions of columns: */
    {
        int wpos = m_Spacing;
        for (int i = 0; i < m_NumCols; i++) {
            m_ColsInfo[i].leftpos = wpos;
            wpos += m_ColsInfo[i].pixwidth + m_Spacing;
        }
    }

    /* 3.  sub-layout all cells: */
    {
        int *ypos = new int[m_NumRows + 1];

        int actcol, actrow;
        int fullwid;
        wxHtmlContainerCell *actcell;

        for (actrow = 0; actrow <= m_NumRows; actrow++) ypos[actrow] = m_Spacing;

        for (actrow = 0; actrow < m_NumRows; actrow++) {

            // 3a. sub-layout and detect max height:

            for (actcol = 0; actcol < m_NumCols; actcol++) {
                if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
                actcell = m_CellInfo[actrow][actcol].cont;
                fullwid = 0;
                for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
                    fullwid += m_ColsInfo[i].pixwidth;
                fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing;
                actcell -> SetMinHeight(m_CellInfo[actrow][actcol].minheight, m_CellInfo[actrow][actcol].valign);
                actcell -> Layout(fullwid);

                if (ypos[actrow] + actcell -> GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing > ypos[actrow + m_CellInfo[actrow][actcol].rowspan])
                    ypos[actrow + m_CellInfo[actrow][actcol].rowspan] =
                            ypos[actrow] + actcell -> GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing;
            }
        }


        for (actrow = 0; actrow < m_NumRows; actrow++) {

            // 3b. place cells in row & let'em all have same height:

            for (actcol = 0; actcol < m_NumCols; actcol++) {
                if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
                actcell = m_CellInfo[actrow][actcol].cont;
                actcell -> SetMinHeight(
                                 ypos[actrow + m_CellInfo[actrow][actcol].rowspan] - ypos[actrow] -  m_Spacing,
                                 m_CellInfo[actrow][actcol].valign);
                fullwid = 0;
                for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
                    fullwid += m_ColsInfo[i].pixwidth;
                fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing;
                actcell -> Layout(fullwid);
                actcell -> SetPos(m_ColsInfo[actcol].leftpos, ypos[actrow]);
            }

        }
        m_Height = ypos[m_NumRows];
        delete[] ypos;
    }
}


//-----------------------------------------------------------------------------
// The tables handler:
//-----------------------------------------------------------------------------


TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH")

    TAG_HANDLER_VARS
        wxHtmlTableCell* m_Table;
        wxString m_tAlign, m_rAlign;
        int m_OldAlign;

    TAG_HANDLER_CONSTR(TABLE)
    {
        m_Table = NULL;
        m_tAlign = m_rAlign = wxEmptyString;
        m_OldAlign = wxHTML_ALIGN_LEFT;
    }


    TAG_HANDLER_PROC(tag)
    {
        wxHtmlContainerCell *c;

        // new table started, backup upper-level table (if any) and create new:
        if (tag.GetName() == wxT("TABLE")) {
            wxHtmlTableCell *oldt = m_Table;
            wxHtmlContainerCell *oldcont;
            int m_OldAlign;

            oldcont = c = m_WParser -> OpenContainer();

            c -> SetWidthFloat(tag, m_WParser -> GetPixelScale());
            m_Table = new wxHtmlTableCell(c, tag, m_WParser -> GetPixelScale());
            m_OldAlign = m_WParser -> GetAlign();
            m_tAlign = wxEmptyString;
            if (tag.HasParam(wxT("ALIGN"))) m_tAlign = tag.GetParam(wxT("ALIGN"));

            ParseInner(tag);

            m_WParser -> SetAlign(m_OldAlign);
            m_WParser -> SetContainer(oldcont);
            m_WParser -> CloseContainer();
            m_Table = oldt;
            return TRUE;
        }


        else if (m_Table && !tag.IsEnding()) {
            // new row in table
            if (tag.GetName() == wxT("TR")) {
                m_Table -> AddRow(tag);
                m_rAlign = m_tAlign;
                if (tag.HasParam(wxT("ALIGN"))) m_rAlign = tag.GetParam(wxT("ALIGN"));
            }

            // new cell
            else {
                m_WParser -> SetAlign(m_OldAlign);
                c = m_WParser -> SetContainer(new wxHtmlContainerCell(m_Table));
                m_Table -> AddCell(c, tag);

                m_WParser -> OpenContainer();

                if (tag.GetName() == wxT("TH")) /*header style*/ {
                    m_WParser -> SetAlign(wxHTML_ALIGN_CENTER);
                }

                {
                    wxString als;

                    als = m_rAlign;
                    if (tag.HasParam(wxT("ALIGN"))) als = tag.GetParam(wxT("ALIGN"));
                    als.MakeUpper();
                    if (als == wxT("RIGHT")) m_WParser -> SetAlign(wxHTML_ALIGN_RIGHT);
                    else if (als == wxT("CENTER")) m_WParser -> SetAlign(wxHTML_ALIGN_CENTER);
                }
                m_WParser -> OpenContainer();
            }
        }
        return FALSE;
    }

TAG_HANDLER_END(TABLE)


TAGS_MODULE_BEGIN(Tables)

    TAGS_MODULE_ADD(TABLE)

TAGS_MODULE_END(Tables)


#endif
Commit	Line	Data
	1	/////////////////////////////////////////////////////////////////////////////
	2	// Name: m_tables.cpp
	3	// Purpose: wxHtml module for tables
	4	// Author: Vaclav Slavik
	5	// RCS-ID: $Id$
	6	// Copyright: (c) 1999 Vaclav Slavik
	7	// Licence: wxWindows Licence
	8	/////////////////////////////////////////////////////////////////////////////
	9
	10	#ifdef __GNUG__
	11	#pragma implementation
	12	#endif
	13
	14	#include "wx/wxprec.h"
	15
	16	#include "wx/defs.h"
	17	#if wxUSE_HTML && wxUSE_STREAMS
	18	#ifdef __BORDLANDC__
	19	#pragma hdrstop
	20	#endif
	21
	22	#ifndef WXPRECOMP
	23	#include "wx/wx.h"
	24	#endif
	25
	26
	27	/*
	28	REMARKS:
	29	1. This version of m_tables doesn't support auto-layout algorithm.
	30	This means that all columns are of same width unless explicitly specified.
	31	*/
	32
	33
	34	#include "wx/html/forcelnk.h"
	35	#include "wx/html/m_templ.h"
	36
	37	#include "wx/html/htmlcell.h"
	38
	39	FORCE_LINK_ME(m_tables)
	40
	41
	42	#define TABLE_BORDER_CLR_1 wxColour(0xC5, 0xC2, 0xC5)
	43	#define TABLE_BORDER_CLR_2 wxColour(0x62, 0x61, 0x62)
	44
	45
	46	//-----------------------------------------------------------------------------
	47	// wxHtmlTableCell
	48	//-----------------------------------------------------------------------------
	49
	50
	51	typedef struct {
	52	int width, units; // universal
	53	int leftpos, pixwidth, maxrealwidth; // temporary (depends on width of table)
	54	} colStruct;
	55
	56	typedef enum {
	57	cellSpan,
	58	cellUsed,
	59	cellFree
	60	} cellState;
	61
	62	typedef struct {
	63	wxHtmlContainerCell *cont;
	64	int colspan, rowspan;
	65	int minheight, valign;
	66	cellState flag;
	67	} cellStruct;
	68
	69
	70	class wxHtmlTableCell : public wxHtmlContainerCell
	71	{
	72	protected:
	73	/* These are real attributes: */
	74	bool m_HasBorders;
	75	// should we draw borders or not?
	76	int m_NumCols, m_NumRows;
	77	// number of columns; rows
	78	colStruct *m_ColsInfo;
	79	// array of column information
	80	cellStruct **m_CellInfo;
	81	// 2D array of all cells in the table : m_CellInfo[row][column]
	82	int m_Spacing;
	83	// spaces between cells
	84	int m_Padding;
	85	// cells internal indentation
	86
	87	private:
	88	/* ...and these are valid only during parsing of table: */
	89	int m_ActualCol, m_ActualRow;
	90	// number of actual column (ranging from 0..m_NumCols)
	91
	92	// default values (for table and row):
	93	int m_tBkg, m_rBkg;
	94	wxString m_tValign, m_rValign;
	95
	96	double m_PixelScale;
	97
	98
	99	public:
	100	wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale = 1.0);
	101	~wxHtmlTableCell();
	102	virtual void Layout(int w);
	103
	104	void AddRow(const wxHtmlTag& tag);
	105	void AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag);
	106	private:
	107	void ReallocCols(int cols);
	108	void ReallocRows(int rows);
	109	// reallocates memory to given number of cols/rows
	110	// and changes m_NumCols/m_NumRows value to reflect this change
	111	// NOTE! You CAN'T change m_NumCols/m_NumRows before calling this!!
	112	};
	113
	114
	115
	116	wxHtmlTableCell::wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale)
	117	: wxHtmlContainerCell(parent)
	118	{
	119	m_PixelScale = pixel_scale;
	120	m_HasBorders = (tag.HasParam(wxT("BORDER")) && tag.GetParam(wxT("BORDER")) != wxT("0"));
	121	m_ColsInfo = NULL;
	122	m_NumCols = m_NumRows = 0;
	123	m_CellInfo = NULL;
	124	m_ActualCol = m_ActualRow = -1;
	125
	126	/* scan params: */
	127	m_tBkg = m_rBkg = -1;
	128	if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &m_tBkg);
	129	if (tag.HasParam(wxT("VALIGN"))) m_tValign = tag.GetParam(wxT("VALIGN")); else m_tValign = wxEmptyString;
	130	if (tag.HasParam(wxT("CELLSPACING")) && tag.ScanParam(wxT("CELLSPACING"), wxT("%i"), &m_Spacing) == 1) {} else m_Spacing = 2;
	131	if (tag.HasParam(wxT("CELLPADDING")) && tag.ScanParam(wxT("CELLPADDING"), wxT("%i"), &m_Padding) == 1) {} else m_Padding = 3;
	132	m_Spacing = (int)(m_PixelScale * (double)m_Spacing);
	133	m_Padding = (int)(m_PixelScale * (double)m_Padding);
	134
	135	if (m_HasBorders)
	136	SetBorder(TABLE_BORDER_CLR_1, TABLE_BORDER_CLR_2);
	137	}
	138
	139
	140
	141	wxHtmlTableCell::~wxHtmlTableCell()
	142	{
	143	if (m_ColsInfo) free(m_ColsInfo);
	144	if (m_CellInfo) {
	145	for (int i = 0; i < m_NumRows; i++)
	146	free(m_CellInfo[i]);
	147	free(m_CellInfo);
	148	}
	149	}
	150
	151
	152
	153	void wxHtmlTableCell::ReallocCols(int cols)
	154	{
	155	int i,j;
	156
	157	for (i = 0; i < m_NumRows; i++) {
	158	m_CellInfo[i] = (cellStruct) realloc(m_CellInfo[i], sizeof(cellStruct) cols);
	159	for (j = m_NumCols; j < cols; j++)
	160	m_CellInfo[i][j].flag = cellFree;
	161	}
	162
	163	m_ColsInfo = (colStruct) realloc(m_ColsInfo, sizeof(colStruct) cols);
	164	for (j = m_NumCols; j < cols; j++) {
	165	m_ColsInfo[j].width = 0;
	166	m_ColsInfo[j].units = wxHTML_UNITS_PERCENT;
	167	}
	168
	169	m_NumCols = cols;
	170	}
	171
	172
	173
	174	void wxHtmlTableCell::ReallocRows(int rows)
	175	{
	176	m_CellInfo = (cellStruct*) realloc(m_CellInfo, sizeof(cellStruct) * rows);
	177	for (int row = m_NumRows; row < rows ; row++)
	178	{
	179	if (m_NumCols == 0)
	180	m_CellInfo[row] = NULL;
	181	else
	182	{
	183	m_CellInfo[row] = (cellStruct) malloc(sizeof(cellStruct) m_NumCols);
	184	for (int col = 0; col < m_NumCols; col++)
	185	m_CellInfo[row][col].flag = cellFree;
	186	}
	187	}
	188	m_NumRows = rows;
	189	}
	190
	191
	192	void wxHtmlTableCell::AddRow(const wxHtmlTag& tag)
	193	{
	194	if (m_ActualRow + 1 > m_NumRows - 1)
	195	ReallocRows(m_ActualRow + 2);
	196	m_ActualRow++;
	197	m_ActualCol = -1;
	198
	199	/* scan params: */
	200	m_rBkg = m_tBkg;
	201	if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &m_rBkg);
	202	if (tag.HasParam(wxT("VALIGN"))) m_rValign = tag.GetParam(wxT("VALIGN")); else m_rValign = m_tValign;
	203	}
	204
	205
	206
	207	void wxHtmlTableCell::AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag)
	208	{
	209	do {
	210	m_ActualCol++;
	211	} while ((m_ActualCol < m_NumCols) && (m_CellInfo[m_ActualRow][m_ActualCol].flag != cellFree));
	212	if (m_ActualCol > m_NumCols - 1)
	213	ReallocCols(m_ActualCol + 1);
	214
	215	int r = m_ActualRow, c = m_ActualCol;
	216
	217	m_CellInfo[r][c].cont = cell;
	218	m_CellInfo[r][c].colspan = 1;
	219	m_CellInfo[r][c].rowspan = 1;
	220	m_CellInfo[r][c].flag = cellUsed;
	221	m_CellInfo[r][c].minheight = 0;
	222	m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
	223
	224	/* scan for parameters: */
	225
	226	// width:
	227	{
	228	if (tag.HasParam("WIDTH")) {
	229	wxString wd = tag.GetParam("WIDTH");
	230
	231	if (wd[wd.Length()-1] == '%') {
	232	wxSscanf(wd.c_str(), wxT("%i%%"), &m_ColsInfo[c].width);
	233	m_ColsInfo[c].units = wxHTML_UNITS_PERCENT;
	234	}
	235	else {
	236	wxSscanf(wd.c_str(), wxT("%i"), &m_ColsInfo[c].width);
	237	m_ColsInfo[c].width = (int)(m_PixelScale * (double)m_ColsInfo[c].width);
	238	m_ColsInfo[c].units = wxHTML_UNITS_PIXELS;
	239	}
	240	}
	241	}
	242
	243
	244	// spanning:
	245	{
	246	if (tag.HasParam(wxT("COLSPAN"))) tag.ScanParam(wxT("COLSPAN"), wxT("%i"), &m_CellInfo[r][c].colspan);
	247	if (tag.HasParam(wxT("ROWSPAN"))) tag.ScanParam(wxT("ROWSPAN"), wxT("%i"), &m_CellInfo[r][c].rowspan);
	248	if ((m_CellInfo[r][c].colspan != 1) \|\| (m_CellInfo[r][c].rowspan != 1)) {
	249	int i, j;
	250
	251	if (r + m_CellInfo[r][c].rowspan > m_NumRows) ReallocRows(r + m_CellInfo[r][c].rowspan);
	252	if (c + m_CellInfo[r][c].colspan > m_NumCols) ReallocCols(c + m_CellInfo[r][c].colspan);
	253	for (i = r; i < r + m_CellInfo[r][c].rowspan; i++)
	254	for (j = c; j < c + m_CellInfo[r][c].colspan; j++)
	255	m_CellInfo[i][j].flag = cellSpan;
	256	m_CellInfo[r][c].flag = cellUsed;
	257	}
	258	}
	259
	260	//background color:
	261	{
	262	int bk = m_rBkg;
	263	if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &bk);
	264	if (bk != -1) {
	265	wxColour clr = wxColour((bk & 0xFF0000) >> 16 , (bk & 0x00FF00) >> 8, (bk & 0x0000FF));
	266	cell -> SetBackgroundColour(clr);
	267	}
	268	}
	269	if (m_HasBorders)
	270	cell -> SetBorder(TABLE_BORDER_CLR_2, TABLE_BORDER_CLR_1);
	271
	272	// vertical alignment:
	273	{
	274	wxString valign;
	275	if (tag.HasParam(wxT("VALIGN"))) valign = tag.GetParam(wxT("VALIGN")); else valign = m_tValign;
	276	valign.MakeUpper();
	277	if (valign == wxT("TOP")) m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
	278	else if (valign == wxT("BOTTOM")) m_CellInfo[r][c].valign = wxHTML_ALIGN_BOTTOM;
	279	else m_CellInfo[r][c].valign = wxHTML_ALIGN_CENTER;
	280	}
	281
	282	cell -> SetIndent(m_Padding, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
	283	}
	284
	285
	286
	287
	288
	289	void wxHtmlTableCell::Layout(int w)
	290	{
	291	/*
	292
	293	WIDTH ADJUSTING :
	294
	295	*/
	296
	297	if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) {
	298	if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
	299	else m_Width = m_WidthFloat * w / 100;
	300	}
	301	else {
	302	if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
	303	else m_Width = m_WidthFloat;
	304	}
	305
	306
	307	/*
	308
	309	LAYOUTING :
	310
	311	*/
	312
	313	/* 1. setup columns widths: */
	314	{
	315	int wpix = m_Width - (m_NumCols + 1) * m_Spacing;
	316	int i, j;
	317	int wtemp = 0;
	318
	319	// 1a. setup fixed-width columns:
	320	for (i = 0; i < m_NumCols; i++)
	321	if (m_ColsInfo[i].units == wxHTML_UNITS_PIXELS)
	322	wpix -= (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width);
	323
	324	// 1b. setup floating-width columns:
	325	for (i = 0; i < m_NumCols; i++)
	326	if ((m_ColsInfo[i].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[i].width != 0))
	327	wtemp += (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width * wpix / 100);
	328	wpix -= wtemp;
	329
	330	// 1c. setup defalut columns (no width specification supplied):
	331	// NOTE! This algorithm doesn't conform to HTML standard : it assigns equal widths
	332	// instead of optimal
	333	for (i = j = 0; i < m_NumCols; i++)
	334	if (m_ColsInfo[i].width == 0) j++;
	335	for (i = 0; i < m_NumCols; i++)
	336	if (m_ColsInfo[i].width == 0)
	337	m_ColsInfo[i].pixwidth = wpix / j;
	338	}
	339
	340	/* 2. compute positions of columns: */
	341	{
	342	int wpos = m_Spacing;
	343	for (int i = 0; i < m_NumCols; i++) {
	344	m_ColsInfo[i].leftpos = wpos;
	345	wpos += m_ColsInfo[i].pixwidth + m_Spacing;
	346	}
	347	}
	348
	349	/* 3. sub-layout all cells: */
	350	{
	351	int *ypos = new int[m_NumRows + 1];
	352
	353	int actcol, actrow;
	354	int fullwid;
	355	wxHtmlContainerCell *actcell;
	356
	357	for (actrow = 0; actrow <= m_NumRows; actrow++) ypos[actrow] = m_Spacing;
	358
	359	for (actrow = 0; actrow < m_NumRows; actrow++) {
	360
	361	// 3a. sub-layout and detect max height:
	362
	363	for (actcol = 0; actcol < m_NumCols; actcol++) {
	364	if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
	365	actcell = m_CellInfo[actrow][actcol].cont;
	366	fullwid = 0;
	367	for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
	368	fullwid += m_ColsInfo[i].pixwidth;
	369	fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing;
	370	actcell -> SetMinHeight(m_CellInfo[actrow][actcol].minheight, m_CellInfo[actrow][actcol].valign);
	371	actcell -> Layout(fullwid);
	372
	373	if (ypos[actrow] + actcell -> GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing > ypos[actrow + m_CellInfo[actrow][actcol].rowspan])
	374	ypos[actrow + m_CellInfo[actrow][actcol].rowspan] =
	375	ypos[actrow] + actcell -> GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing;
	376	}
	377	}
	378
	379
	380	for (actrow = 0; actrow < m_NumRows; actrow++) {
	381
	382	// 3b. place cells in row & let'em all have same height:
	383
	384	for (actcol = 0; actcol < m_NumCols; actcol++) {
	385	if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
	386	actcell = m_CellInfo[actrow][actcol].cont;
	387	actcell -> SetMinHeight(
	388	ypos[actrow + m_CellInfo[actrow][actcol].rowspan] - ypos[actrow] - m_Spacing,
	389	m_CellInfo[actrow][actcol].valign);
	390	fullwid = 0;
	391	for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
	392	fullwid += m_ColsInfo[i].pixwidth;
	393	fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing;
	394	actcell -> Layout(fullwid);
	395	actcell -> SetPos(m_ColsInfo[actcol].leftpos, ypos[actrow]);
	396	}
	397
	398	}
	399	m_Height = ypos[m_NumRows];
	400	delete[] ypos;
	401	}
	402	}
	403
	404
	405
	406
	407
	408
	409	//-----------------------------------------------------------------------------
	410	// The tables handler:
	411	//-----------------------------------------------------------------------------
	412
	413
	414	TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH")
	415
	416	TAG_HANDLER_VARS
	417	wxHtmlTableCell* m_Table;
	418	wxString m_tAlign, m_rAlign;
	419	int m_OldAlign;
	420
	421	TAG_HANDLER_CONSTR(TABLE)
	422	{
	423	m_Table = NULL;
	424	m_tAlign = m_rAlign = wxEmptyString;
	425	m_OldAlign = wxHTML_ALIGN_LEFT;
	426	}
	427
	428
	429	TAG_HANDLER_PROC(tag)
	430	{
	431	wxHtmlContainerCell *c;
	432
	433	// new table started, backup upper-level table (if any) and create new:
	434	if (tag.GetName() == wxT("TABLE")) {
	435	wxHtmlTableCell *oldt = m_Table;
	436	wxHtmlContainerCell *oldcont;
	437	int m_OldAlign;
	438
	439	oldcont = c = m_WParser -> OpenContainer();
	440
	441	c -> SetWidthFloat(tag, m_WParser -> GetPixelScale());
	442	m_Table = new wxHtmlTableCell(c, tag, m_WParser -> GetPixelScale());
	443	m_OldAlign = m_WParser -> GetAlign();
	444	m_tAlign = wxEmptyString;
	445	if (tag.HasParam(wxT("ALIGN"))) m_tAlign = tag.GetParam(wxT("ALIGN"));
	446
	447	ParseInner(tag);
	448
	449	m_WParser -> SetAlign(m_OldAlign);
	450	m_WParser -> SetContainer(oldcont);
	451	m_WParser -> CloseContainer();
	452	m_Table = oldt;
	453	return TRUE;
	454	}
	455
	456
	457	else if (m_Table && !tag.IsEnding()) {
	458	// new row in table
	459	if (tag.GetName() == wxT("TR")) {
	460	m_Table -> AddRow(tag);
	461	m_rAlign = m_tAlign;
	462	if (tag.HasParam(wxT("ALIGN"))) m_rAlign = tag.GetParam(wxT("ALIGN"));
	463	}
	464
	465	// new cell
	466	else {
	467	m_WParser -> SetAlign(m_OldAlign);
	468	c = m_WParser -> SetContainer(new wxHtmlContainerCell(m_Table));
	469	m_Table -> AddCell(c, tag);
	470
	471	m_WParser -> OpenContainer();
	472
	473	if (tag.GetName() == wxT("TH")) /header style/ {
	474	m_WParser -> SetAlign(wxHTML_ALIGN_CENTER);
	475	}
	476
	477	{
	478	wxString als;
	479
	480	als = m_rAlign;
	481	if (tag.HasParam(wxT("ALIGN"))) als = tag.GetParam(wxT("ALIGN"));
	482	als.MakeUpper();
	483	if (als == wxT("RIGHT")) m_WParser -> SetAlign(wxHTML_ALIGN_RIGHT);
	484	else if (als == wxT("CENTER")) m_WParser -> SetAlign(wxHTML_ALIGN_CENTER);
	485	}
	486	m_WParser -> OpenContainer();
	487	}
	488	}
	489	return FALSE;
	490	}
	491
	492	TAG_HANDLER_END(TABLE)
	493
	494
	495
	496
	497
	498	TAGS_MODULE_BEGIN(Tables)
	499
	500	TAGS_MODULE_ADD(TABLE)
	501
	502	TAGS_MODULE_END(Tables)
	503
	504
	505	#endif