src/html/m_tables.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        mod_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
#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/forcelnk.h"
#include "wx/html/m_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") && tag.GetParam("BORDER") != "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;

    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);
    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(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].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("VALIGN")) valign = tag.GetParam("VALIGN"); else valign = m_tValign;
        valign.MakeUpper();
        if (valign == "TOP") m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
        else if (valign == "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;
                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];
        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() == "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(wxHTML_ALIGN_CENTER);
                }

                {
                    wxString als;

                    als = m_rAlign;
                    if (tag.HasParam("ALIGN")) als = tag.GetParam("ALIGN");
                    als.MakeUpper();
                    if (als == "RIGHT") m_WParser -> SetAlign(wxHTML_ALIGN_RIGHT);
                    else if (als == "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: mod_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
	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 mod_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(mod_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
	97	public:
	98	wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag);
	99	~wxHtmlTableCell();
	100	virtual void Layout(int w);
	101
	102	void AddRow(const wxHtmlTag& tag);
	103	void AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag);
	104	private:
	105	void ReallocCols(int cols);
	106	void ReallocRows(int rows);
	107	// reallocates memory to given number of cols/rows
	108	// and changes m_NumCols/m_NumRows value to reflect this change
	109	// NOTE! You CAN'T change m_NumCols/m_NumRows before calling this!!
	110	};
	111
	112
	113
	114	wxHtmlTableCell::wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag)
	115	: wxHtmlContainerCell(parent)
	116	{
	117	m_HasBorders = (tag.HasParam("BORDER") && tag.GetParam("BORDER") != "0");
	118	m_ColsInfo = NULL;
	119	m_NumCols = m_NumRows = 0;
	120	m_CellInfo = NULL;
	121	m_ActualCol = m_ActualRow = -1;
	122
	123	/* scan params: */
	124	m_tBkg = m_rBkg = -1;
	125	if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &m_tBkg);
	126	if (tag.HasParam(wxT("VALIGN"))) m_tValign = tag.GetParam(wxT("VALIGN")); else m_tValign = wxEmptyString;
	127	if (tag.HasParam(wxT("CELLSPACING")) && tag.ScanParam(wxT("CELLSPACING"), wxT("%i"), &m_Spacing) == 1) {} else m_Spacing = 2;
	128	if (tag.HasParam(wxT("CELLPADDING")) && tag.ScanParam(wxT("CELLPADDING"), wxT("%i"), &m_Padding) == 1) {} else m_Padding = 3;
	129
	130	if (m_HasBorders)
	131	SetBorder(TABLE_BORDER_CLR_1, TABLE_BORDER_CLR_2);
	132	}
	133
	134
	135
	136	wxHtmlTableCell::~wxHtmlTableCell()
	137	{
	138	if (m_ColsInfo) free(m_ColsInfo);
	139	if (m_CellInfo) {
	140	for (int i = 0; i < m_NumRows; i++)
	141	free(m_CellInfo[i]);
	142	free(m_CellInfo);
	143	}
	144	}
	145
	146
	147
	148	void wxHtmlTableCell::ReallocCols(int cols)
	149	{
	150	int i,j;
	151
	152	for (i = 0; i < m_NumRows; i++) {
	153	m_CellInfo[i] = (cellStruct) realloc(m_CellInfo[i], sizeof(cellStruct) cols);
	154	for (j = m_NumCols; j < cols; j++)
	155	m_CellInfo[i][j].flag = cellFree;
	156	}
	157
	158	m_ColsInfo = (colStruct) realloc(m_ColsInfo, sizeof(colStruct) cols);
	159	for (j = m_NumCols; j < cols; j++) {
	160	m_ColsInfo[j].width = 0;
	161	m_ColsInfo[j].units = wxHTML_UNITS_PERCENT;
	162	}
	163
	164	m_NumCols = cols;
	165	}
	166
	167
	168
	169	void wxHtmlTableCell::ReallocRows(int rows)
	170	{
	171	m_CellInfo = (cellStruct*) realloc(m_CellInfo, sizeof(cellStruct) * rows);
	172	if (m_NumCols != 0) {
	173	int x = rows - 1;
	174	m_CellInfo[x] = (cellStruct) malloc(sizeof(cellStruct) m_NumCols);
	175	for (int i = 0; i < m_NumCols; i++)
	176	m_CellInfo[x][i].flag = cellFree;
	177	}
	178	else
	179	m_CellInfo[rows - 1] = NULL;
	180	m_NumRows = rows;
	181	}
	182
	183
	184
	185	void wxHtmlTableCell::AddRow(const wxHtmlTag& tag)
	186	{
	187	if (m_ActualRow + 1 > m_NumRows - 1)
	188	ReallocRows(m_ActualRow + 2);
	189	m_ActualRow++;
	190	m_ActualCol = -1;
	191
	192	/* scan params: */
	193	m_rBkg = m_tBkg;
	194	if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &m_rBkg);
	195	if (tag.HasParam(wxT("VALIGN"))) m_rValign = tag.GetParam(wxT("VALIGN")); else m_rValign = m_tValign;
	196	}
	197
	198
	199
	200	void wxHtmlTableCell::AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag)
	201	{
	202	do {
	203	m_ActualCol++;
	204	} while ((m_ActualCol < m_NumCols) && (m_CellInfo[m_ActualRow][m_ActualCol].flag != cellFree));
	205	if (m_ActualCol > m_NumCols - 1)
	206	ReallocCols(m_ActualCol + 1);
	207
	208	int r = m_ActualRow, c = m_ActualCol;
	209
	210	m_CellInfo[r][c].cont = cell;
	211	m_CellInfo[r][c].colspan = 1;
	212	m_CellInfo[r][c].rowspan = 1;
	213	m_CellInfo[r][c].flag = cellUsed;
	214	m_CellInfo[r][c].minheight = 0;
	215	m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
	216
	217	/* scan for parameters: */
	218
	219	// width:
	220	{
	221	if (tag.HasParam("WIDTH")) {
	222	wxString wd = tag.GetParam("WIDTH");
	223
	224	if (wd[wd.Length()-1] == '%') {
	225	wxSscanf(wd.c_str(), wxT("%i%%"), &m_ColsInfo[c].width);
	226	m_ColsInfo[c].units = wxHTML_UNITS_PERCENT;
	227	}
	228	else {
	229	wxSscanf(wd.c_str(), wxT("%i"), &m_ColsInfo[c].width);
	230	m_ColsInfo[c].units = wxHTML_UNITS_PIXELS;
	231	}
	232	}
	233	}
	234
	235
	236	// spanning:
	237	{
	238	if (tag.HasParam(wxT("COLSPAN"))) tag.ScanParam(wxT("COLSPAN"), wxT("%i"), &m_CellInfo[r][c].colspan);
	239	if (tag.HasParam(wxT("ROWSPAN"))) tag.ScanParam(wxT("ROWSPAN"), wxT("%i"), &m_CellInfo[r][c].rowspan);
	240	if ((m_CellInfo[r][c].colspan != 1) \|\| (m_CellInfo[r][c].rowspan != 1)) {
	241	int i, j;
	242
	243	if (r + m_CellInfo[r][c].rowspan > m_NumRows) ReallocRows(r + m_CellInfo[r][c].rowspan);
	244	if (c + m_CellInfo[r][c].colspan > m_NumCols) ReallocCols(c + m_CellInfo[r][c].colspan);
	245	for (i = r; i < r + m_CellInfo[r][c].rowspan; i++)
	246	for (j = c; j < c + m_CellInfo[r][c].colspan; j++)
	247	m_CellInfo[i][j].flag = cellSpan;
	248	m_CellInfo[r][c].flag = cellUsed;
	249	}
	250	}
	251
	252	//background color:
	253	{
	254	int bk = m_rBkg;
	255	if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &bk);
	256	if (bk != -1) {
	257	wxColour clr = wxColour((bk & 0xFF0000) >> 16 , (bk & 0x00FF00) >> 8, (bk & 0x0000FF));
	258	cell -> SetBackgroundColour(clr);
	259	}
	260	}
	261	if (m_HasBorders)
	262	cell -> SetBorder(TABLE_BORDER_CLR_2, TABLE_BORDER_CLR_1);
	263
	264	// vertical alignment:
	265	{
	266	wxString valign;
	267	if (tag.HasParam("VALIGN")) valign = tag.GetParam("VALIGN"); else valign = m_tValign;
	268	valign.MakeUpper();
	269	if (valign == "TOP") m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
	270	else if (valign == "BOTTOM") m_CellInfo[r][c].valign = wxHTML_ALIGN_BOTTOM;
	271	else m_CellInfo[r][c].valign = wxHTML_ALIGN_CENTER;
	272	}
	273
	274	cell -> SetIndent(m_Padding, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
	275	}
	276
	277
	278
	279
	280
	281	void wxHtmlTableCell::Layout(int w)
	282	{
	283	/*
	284
	285	WIDTH ADJUSTING :
	286
	287	*/
	288
	289	if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT) {
	290	if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
	291	else m_Width = m_WidthFloat * w / 100;
	292	}
	293	else {
	294	if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
	295	else m_Width = m_WidthFloat;
	296	}
	297
	298
	299	/*
	300
	301	LAYOUTING :
	302
	303	*/
	304
	305	/* 1. setup columns widths: */
	306	{
	307	int wpix = m_Width - (m_NumCols + 1) * m_Spacing;
	308	int i, j;
	309	int wtemp = 0;
	310
	311	// 1a. setup fixed-width columns:
	312	for (i = 0; i < m_NumCols; i++)
	313	if (m_ColsInfo[i].units == wxHTML_UNITS_PIXELS)
	314	wpix -= (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width);
	315
	316	// 1b. setup floating-width columns:
	317	for (i = 0; i < m_NumCols; i++)
	318	if ((m_ColsInfo[i].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[i].width != 0))
	319	wtemp += (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width * wpix / 100);
	320	wpix -= wtemp;
	321
	322	// 1c. setup defalut columns (no width specification supplied):
	323	// NOTE! This algorithm doesn't conform to HTML standard : it assigns equal widths
	324	// instead of optimal
	325	for (i = j = 0; i < m_NumCols; i++)
	326	if (m_ColsInfo[i].width == 0) j++;
	327	for (i = 0; i < m_NumCols; i++)
	328	if (m_ColsInfo[i].width == 0)
	329	m_ColsInfo[i].pixwidth = wpix / j;
	330	}
	331
	332	/* 2. compute positions of columns: */
	333	{
	334	int wpos = m_Spacing;
	335	for (int i = 0; i < m_NumCols; i++) {
	336	m_ColsInfo[i].leftpos = wpos;
	337	wpos += m_ColsInfo[i].pixwidth + m_Spacing;
	338	}
	339	}
	340
	341	/* 3. sub-layout all cells: */
	342	{
	343	int *ypos = new int[m_NumRows + 1];
	344
	345	int actcol, actrow;
	346	int fullwid;
	347	wxHtmlContainerCell *actcell;
	348
	349	for (actrow = 0; actrow <= m_NumRows; actrow++) ypos[actrow] = m_Spacing;
	350
	351	for (actrow = 0; actrow < m_NumRows; actrow++) {
	352
	353	// 3a. sub-layout and detect max height:
	354
	355	for (actcol = 0; actcol < m_NumCols; actcol++) {
	356	if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
	357	actcell = m_CellInfo[actrow][actcol].cont;
	358	fullwid = 0;
	359	for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
	360	fullwid += m_ColsInfo[i].pixwidth;
	361	actcell -> SetMinHeight(m_CellInfo[actrow][actcol].minheight, m_CellInfo[actrow][actcol].valign);
	362	actcell -> Layout(fullwid);
	363
	364	if (ypos[actrow] + actcell -> GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing > ypos[actrow + m_CellInfo[actrow][actcol].rowspan])
	365	ypos[actrow + m_CellInfo[actrow][actcol].rowspan] =
	366	ypos[actrow] + actcell -> GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing;
	367	}
	368	}
	369
	370
	371	for (actrow = 0; actrow < m_NumRows; actrow++) {
	372
	373	// 3b. place cells in row & let'em all have same height:
	374
	375	for (actcol = 0; actcol < m_NumCols; actcol++) {
	376	if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
	377	actcell = m_CellInfo[actrow][actcol].cont;
	378	actcell -> SetMinHeight(
	379	ypos[actrow + m_CellInfo[actrow][actcol].rowspan] - ypos[actrow] - m_CellInfo[actrow][actcol].rowspan * m_Spacing,
	380	m_CellInfo[actrow][actcol].valign);
	381	fullwid = 0;
	382	for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
	383	fullwid += m_ColsInfo[i].pixwidth;
	384	actcell -> Layout(fullwid);
	385	actcell -> SetPos(m_ColsInfo[actcol].leftpos, ypos[actrow]);
	386	}
	387
	388	}
	389	m_Height = ypos[m_NumRows];
	390	delete[] ypos;
	391	}
	392	}
	393
	394
	395
	396
	397
	398
	399	//-----------------------------------------------------------------------------
	400	// The tables handler:
	401	//-----------------------------------------------------------------------------
	402
	403
	404	TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH")
	405
	406	TAG_HANDLER_VARS
	407	wxHtmlTableCell* m_Table;
	408	wxString m_tAlign, m_rAlign;
	409	int m_OldAlign;
	410
	411	TAG_HANDLER_CONSTR(TABLE)
	412	{
	413	m_Table = NULL;
	414	m_tAlign = m_rAlign = wxEmptyString;
	415	m_OldAlign = wxHTML_ALIGN_LEFT;
	416	}
	417
	418
	419	TAG_HANDLER_PROC(tag)
	420	{
	421	wxHtmlContainerCell *c;
	422
	423	// new table started, backup upper-level table (if any) and create new:
	424	if (tag.GetName() == "TABLE") {
	425	wxHtmlTableCell *oldt = m_Table;
	426	wxHtmlContainerCell *oldcont;
	427	int m_OldAlign;
	428
	429	oldcont = c = m_WParser -> OpenContainer();
	430
	431	c -> SetWidthFloat(tag);
	432	m_Table = new wxHtmlTableCell(c, tag);
	433	m_OldAlign = m_WParser -> GetAlign();
	434	m_tAlign = wxEmptyString;
	435	if (tag.HasParam("ALIGN")) m_tAlign = tag.GetParam("ALIGN");
	436
	437	ParseInner(tag);
	438
	439	m_WParser -> SetAlign(m_OldAlign);
	440	m_WParser -> SetContainer(oldcont);
	441	m_WParser -> CloseContainer();
	442	m_Table = oldt;
	443	return TRUE;
	444	}
	445
	446
	447	else if (m_Table && !tag.IsEnding()) {
	448	// new row in table
	449	if (tag.GetName() == "TR") {
	450	m_Table -> AddRow(tag);
	451	m_rAlign = m_tAlign;
	452	if (tag.HasParam("ALIGN")) m_rAlign = tag.GetParam("ALIGN");
	453	}
	454
	455	// new cell
	456	else {
	457	m_WParser -> SetAlign(m_OldAlign);
	458	c = m_WParser -> SetContainer(new wxHtmlContainerCell(m_Table));
	459	m_Table -> AddCell(c, tag);
	460
	461	m_WParser -> OpenContainer();
	462
	463	if (tag.GetName() == "TH") /header style/ {
	464	m_WParser -> SetAlign(wxHTML_ALIGN_CENTER);
	465	}
	466
	467	{
	468	wxString als;
	469
	470	als = m_rAlign;
	471	if (tag.HasParam("ALIGN")) als = tag.GetParam("ALIGN");
	472	als.MakeUpper();
	473	if (als == "RIGHT") m_WParser -> SetAlign(wxHTML_ALIGN_RIGHT);
	474	else if (als == "CENTER") m_WParser -> SetAlign(wxHTML_ALIGN_CENTER);
	475	}
	476	m_WParser -> OpenContainer();
	477	}
	478	}
	479	return FALSE;
	480	}
	481
	482	TAG_HANDLER_END(TABLE)
	483
	484
	485
	486
	487
	488	TAGS_MODULE_BEGIN(Tables)
	489
	490	TAGS_MODULE_ADD(TABLE)
	491
	492	TAGS_MODULE_END(Tables)
	493
	494
	495	#endif