src/html/mod_tables.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        mod_tables.cpp
// Purpose:     wxHtml module for tables
// Author:      Vaclav Slavik
// Copyright:   (c) 1999 Vaclav Slavik
// Licence:     wxWindows Licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation
#endif

#include <wx/wxprec.h>

#if wxUSE_HTML
#ifdef __BORDLANDC__
#pragma hdrstop
#endif

#ifndef WXPRECOMP
#include <wx/wx.h>
#endif


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


#include <wx/html/forcelink.h>
#include <wx/html/mod_templ.h>

#include <wx/html/htmlcell.h>

FORCE_LINK_ME(mod_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;


    public:
        wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag);
        ~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)
 : wxHtmlContainerCell(parent)
{
    m_HasBorders = tag.HasParam("BORDER");
    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("BGCOLOR")) tag.ScanParam("BGCOLOR", "#%lX", &m_tBkg);
    if (tag.HasParam("VALIGN")) m_tValign = tag.GetParam("VALIGN"); else m_tValign = wxEmptyString;
    if (tag.HasParam("CELLSPACING")) tag.ScanParam("CELLSPACING", "%i", &m_Spacing); else m_Spacing = 2;
    if (tag.HasParam("CELLPADDING")) tag.ScanParam("CELLPADDING", "%i", &m_Padding); else m_Padding = 3;

    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 = HTML_UNITS_PERCENT;
    }

    m_NumCols = cols;
}


void wxHtmlTableCell::ReallocRows(int rows)
{
    m_CellInfo = (cellStruct**) realloc(m_CellInfo, sizeof(cellStruct*) * rows);
    if (m_NumCols != 0) {
        int x = rows - 1;
        m_CellInfo[x] = (cellStruct*) malloc(sizeof(cellStruct) * m_NumCols);
        for (int i = 0; i < m_NumCols; i++)
            m_CellInfo[x][i].flag = cellFree;
    }
    else
        m_CellInfo[rows - 1] = NULL;
    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("BGCOLOR")) tag.ScanParam("BGCOLOR", "#%lX", &m_rBkg);
    if (tag.HasParam("VALIGN")) m_rValign = tag.GetParam("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 = HTML_ALIGN_TOP;

    /* scan for parameters: */

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

            if (wd[wd.Length()-1] == '%') {
                sscanf(wd.c_str(), "%i%%", &m_ColsInfo[c].width);
                m_ColsInfo[c].units = HTML_UNITS_PERCENT;
            }
            else {
                sscanf(wd.c_str(), "%i", &m_ColsInfo[c].width);
                m_ColsInfo[c].units = HTML_UNITS_PIXELS;
            }
        }
    }


    // spanning:
    {
        if (tag.HasParam("COLSPAN")) tag.ScanParam("COLSPAN", "%i", &m_CellInfo[r][c].colspan);
        if (tag.HasParam("ROWSPAN")) tag.ScanParam("ROWSPAN", "%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("BGCOLOR")) tag.ScanParam("BGCOLOR", "#%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("VALIGN")) valign = tag.GetParam("VALIGN"); else valign = m_tValign;
        valign.MakeUpper();
        if (valign == "TOP") m_CellInfo[r][c].valign = HTML_ALIGN_TOP;
        else if (valign == "BOTTOM") m_CellInfo[r][c].valign = HTML_ALIGN_BOTTOM;
        else m_CellInfo[r][c].valign = HTML_ALIGN_CENTER;
    }

    cell -> SetIndent(m_Padding, HTML_INDENT_ALL, HTML_UNITS_PIXELS);
}


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

    WIDTH ADJUSTING :

    */

    if (m_WidthFloatUnits == HTML_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 == HTML_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 == HTML_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 = (int*) malloc(sizeof(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;
                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_CellInfo[actrow][actcol].rowspan * 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;
                actcell -> Layout(fullwid);
                actcell -> SetPos(m_ColsInfo[actcol].leftpos, ypos[actrow]);
            }

        }
        m_Height = ypos[m_NumRows];
        free(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 = HTML_ALIGN_LEFT;
    }


    TAG_HANDLER_PROC(tag)
    {
        wxHtmlContainerCell *c;

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

            oldcont = c = m_WParser -> OpenContainer();

            c -> SetWidthFloat(tag);
            m_Table = new wxHtmlTableCell(c, tag);
            m_OldAlign = m_WParser -> GetAlign();
            m_tAlign = wxEmptyString;
            if (tag.HasParam("ALIGN")) m_tAlign = tag.GetParam("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() == "TR") {
                m_Table -> AddRow(tag);
                m_rAlign = m_tAlign;
                if (tag.HasParam("ALIGN")) m_rAlign = tag.GetParam("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() == "TH") /*header style*/ {
                    m_WParser -> SetAlign(HTML_ALIGN_CENTER);
                }

                {
                    wxString als;

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