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
#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):
        wxColour 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.GetParam(wxT("BORDER")) != wxT("0"));
    m_ColsInfo = NULL;
    m_NumCols = m_NumRows = 0;
    m_CellInfo = NULL;
    m_ActualCol = m_ActualRow = -1;

    /* scan params: */
    if (tag.HasParam(wxT("BGCOLOR")))
        tag.GetParamAsColour(wxT("BGCOLOR"), &m_tBkg);
    if (tag.HasParam(wxT("VALIGN")))
        m_tValign = tag.GetParam(wxT("VALIGN"));
    else
        m_tValign = wxEmptyString;
    if (!tag.GetParamAsInt(wxT("CELLSPACING"), &m_Spacing))
        m_Spacing = 2;
    if (!tag.GetParamAsInt(wxT("CELLPADDING"), &m_Padding))
        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)
{
    m_ActualCol = -1;
    // VS: real allocation of row entry is done in AddCell in order
    //     to correctly handle empty rows (i.e. "<tr></tr>")
    //     m_ActualCol == -1 indicates that AddCell has to allocate new row.

    // scan params:
    m_rBkg = m_tBkg;
    if (tag.HasParam(wxT("BGCOLOR")))
        tag.GetParamAsColour(wxT("BGCOLOR"), &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)
{
    // Is this cell in new row?
    // VS: we can't do it in AddRow, see my comment there
    if (m_ActualCol == -1)
    {
        if (m_ActualRow + 1 > m_NumRows - 1)
            ReallocRows(m_ActualRow + 2);
        m_ActualRow++;
    }

    // cells & columns:
    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(wxT("WIDTH")))
        {
            wxString wd = tag.GetParam(wxT("WIDTH"));

            if (wd[wd.Length()-1] == wxT('%'))
            {
                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:
    {
        tag.GetParamAsInt(wxT("COLSPAN"), &m_CellInfo[r][c].colspan);
        tag.GetParamAsInt(wxT("ROWSPAN"), &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:
    {
        wxColour bk = m_rBkg;
        if (tag.HasParam(wxT("BGCOLOR")))
            tag.GetParamAsColour(wxT("BGCOLOR"), &bk);
        if (bk.Ok())
            cell->SetBackgroundColour(bk);
    }
    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;

        ypos[0] = m_Spacing;
        for (actrow = 1; actrow <= m_NumRows; actrow++) ypos[actrow] = -1;
        for (actrow = 0; actrow < m_NumRows; actrow++)
        {
            if (ypos[actrow] == -1) ypos[actrow] = ypos[actrow-1];
            // 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	#endif
	24
	25
	26	/*
	27	REMARKS:
	28	1. This version of m_tables doesn't support auto-layout algorithm.
	29	This means that all columns are of same width unless explicitly specified.
	30	*/
	31
	32
	33	#include "wx/html/forcelnk.h"
	34	#include "wx/html/m_templ.h"
	35
	36	#include "wx/html/htmlcell.h"
	37
	38	FORCE_LINK_ME(m_tables)
	39
	40
	41	#define TABLE_BORDER_CLR_1 wxColour(0xC5, 0xC2, 0xC5)
	42	#define TABLE_BORDER_CLR_2 wxColour(0x62, 0x61, 0x62)
	43
	44
	45	//-----------------------------------------------------------------------------
	46	// wxHtmlTableCell
	47	//-----------------------------------------------------------------------------
	48
	49
	50	typedef struct {
	51	int width, units;
	52	// universal
	53	int leftpos, pixwidth, maxrealwidth;
	54	// temporary (depends on width of table)
	55	} colStruct;
	56
	57	typedef enum {
	58	cellSpan,
	59	cellUsed,
	60	cellFree
	61	} cellState;
	62
	63	typedef struct {
	64	wxHtmlContainerCell *cont;
	65	int colspan, rowspan;
	66	int minheight, valign;
	67	cellState flag;
	68	} cellStruct;
	69
	70
	71	class wxHtmlTableCell : public wxHtmlContainerCell
	72	{
	73	protected:
	74	/* These are real attributes: */
	75	bool m_HasBorders;
	76	// should we draw borders or not?
	77	int m_NumCols, m_NumRows;
	78	// number of columns; rows
	79	colStruct *m_ColsInfo;
	80	// array of column information
	81	cellStruct **m_CellInfo;
	82	// 2D array of all cells in the table : m_CellInfo[row][column]
	83	int m_Spacing;
	84	// spaces between cells
	85	int m_Padding;
	86	// cells internal indentation
	87
	88	private:
	89	/* ...and these are valid only during parsing of table: */
	90	int m_ActualCol, m_ActualRow;
	91	// number of actual column (ranging from 0..m_NumCols)
	92
	93	// default values (for table and row):
	94	wxColour m_tBkg, m_rBkg;
	95	wxString m_tValign, m_rValign;
	96
	97	double m_PixelScale;
	98
	99
	100	public:
	101	wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale = 1.0);
	102	~wxHtmlTableCell();
	103	virtual void Layout(int w);
	104
	105	void AddRow(const wxHtmlTag& tag);
	106	void AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag);
	107	private:
	108	void ReallocCols(int cols);
	109	void ReallocRows(int rows);
	110	// reallocates memory to given number of cols/rows
	111	// and changes m_NumCols/m_NumRows value to reflect this change
	112	// NOTE! You CAN'T change m_NumCols/m_NumRows before calling this!!
	113	};
	114
	115
	116
	117	wxHtmlTableCell::wxHtmlTableCell(wxHtmlContainerCell *parent, const wxHtmlTag& tag, double pixel_scale)
	118	: wxHtmlContainerCell(parent)
	119	{
	120	m_PixelScale = pixel_scale;
	121	m_HasBorders = (tag.GetParam(wxT("BORDER")) != wxT("0"));
	122	m_ColsInfo = NULL;
	123	m_NumCols = m_NumRows = 0;
	124	m_CellInfo = NULL;
	125	m_ActualCol = m_ActualRow = -1;
	126
	127	/* scan params: */
	128	if (tag.HasParam(wxT("BGCOLOR")))
	129	tag.GetParamAsColour(wxT("BGCOLOR"), &m_tBkg);
	130	if (tag.HasParam(wxT("VALIGN")))
	131	m_tValign = tag.GetParam(wxT("VALIGN"));
	132	else
	133	m_tValign = wxEmptyString;
	134	if (!tag.GetParamAsInt(wxT("CELLSPACING"), &m_Spacing))
	135	m_Spacing = 2;
	136	if (!tag.GetParamAsInt(wxT("CELLPADDING"), &m_Padding))
	137	m_Padding = 3;
	138	m_Spacing = (int)(m_PixelScale * (double)m_Spacing);
	139	m_Padding = (int)(m_PixelScale * (double)m_Padding);
	140
	141	if (m_HasBorders)
	142	SetBorder(TABLE_BORDER_CLR_1, TABLE_BORDER_CLR_2);
	143	}
	144
	145
	146
	147	wxHtmlTableCell::~wxHtmlTableCell()
	148	{
	149	if (m_ColsInfo) free(m_ColsInfo);
	150	if (m_CellInfo)
	151	{
	152	for (int i = 0; i < m_NumRows; i++)
	153	free(m_CellInfo[i]);
	154	free(m_CellInfo);
	155	}
	156	}
	157
	158
	159
	160	void wxHtmlTableCell::ReallocCols(int cols)
	161	{
	162	int i,j;
	163
	164	for (i = 0; i < m_NumRows; i++)
	165	{
	166	m_CellInfo[i] = (cellStruct) realloc(m_CellInfo[i], sizeof(cellStruct) cols);
	167	for (j = m_NumCols; j < cols; j++)
	168	m_CellInfo[i][j].flag = cellFree;
	169	}
	170
	171	m_ColsInfo = (colStruct) realloc(m_ColsInfo, sizeof(colStruct) cols);
	172	for (j = m_NumCols; j < cols; j++)
	173	{
	174	m_ColsInfo[j].width = 0;
	175	m_ColsInfo[j].units = wxHTML_UNITS_PERCENT;
	176	}
	177
	178	m_NumCols = cols;
	179	}
	180
	181
	182
	183	void wxHtmlTableCell::ReallocRows(int rows)
	184	{
	185	m_CellInfo = (cellStruct*) realloc(m_CellInfo, sizeof(cellStruct) * rows);
	186	for (int row = m_NumRows; row < rows ; row++)
	187	{
	188	if (m_NumCols == 0)
	189	m_CellInfo[row] = NULL;
	190	else
	191	{
	192	m_CellInfo[row] = (cellStruct) malloc(sizeof(cellStruct) m_NumCols);
	193	for (int col = 0; col < m_NumCols; col++)
	194	m_CellInfo[row][col].flag = cellFree;
	195	}
	196	}
	197	m_NumRows = rows;
	198	}
	199
	200
	201	void wxHtmlTableCell::AddRow(const wxHtmlTag& tag)
	202	{
	203	m_ActualCol = -1;
	204	// VS: real allocation of row entry is done in AddCell in order
	205	// to correctly handle empty rows (i.e. "<tr></tr>")
	206	// m_ActualCol == -1 indicates that AddCell has to allocate new row.
	207
	208	// scan params:
	209	m_rBkg = m_tBkg;
	210	if (tag.HasParam(wxT("BGCOLOR")))
	211	tag.GetParamAsColour(wxT("BGCOLOR"), &m_rBkg);
	212	if (tag.HasParam(wxT("VALIGN")))
	213	m_rValign = tag.GetParam(wxT("VALIGN"));
	214	else
	215	m_rValign = m_tValign;
	216	}
	217
	218
	219
	220	void wxHtmlTableCell::AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag)
	221	{
	222	// Is this cell in new row?
	223	// VS: we can't do it in AddRow, see my comment there
	224	if (m_ActualCol == -1)
	225	{
	226	if (m_ActualRow + 1 > m_NumRows - 1)
	227	ReallocRows(m_ActualRow + 2);
	228	m_ActualRow++;
	229	}
	230
	231	// cells & columns:
	232	do
	233	{
	234	m_ActualCol++;
	235	} while ((m_ActualCol < m_NumCols) &&
	236	(m_CellInfo[m_ActualRow][m_ActualCol].flag != cellFree));
	237
	238	if (m_ActualCol > m_NumCols - 1)
	239	ReallocCols(m_ActualCol + 1);
	240
	241	int r = m_ActualRow, c = m_ActualCol;
	242
	243	m_CellInfo[r][c].cont = cell;
	244	m_CellInfo[r][c].colspan = 1;
	245	m_CellInfo[r][c].rowspan = 1;
	246	m_CellInfo[r][c].flag = cellUsed;
	247	m_CellInfo[r][c].minheight = 0;
	248	m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
	249
	250	/* scan for parameters: */
	251
	252	// width:
	253	{
	254	if (tag.HasParam(wxT("WIDTH")))
	255	{
	256	wxString wd = tag.GetParam(wxT("WIDTH"));
	257
	258	if (wd[wd.Length()-1] == wxT('%'))
	259	{
	260	wxSscanf(wd.c_str(), wxT("%i%%"), &m_ColsInfo[c].width);
	261	m_ColsInfo[c].units = wxHTML_UNITS_PERCENT;
	262	}
	263	else
	264	{
	265	wxSscanf(wd.c_str(), wxT("%i"), &m_ColsInfo[c].width);
	266	m_ColsInfo[c].width = (int)(m_PixelScale * (double)m_ColsInfo[c].width);
	267	m_ColsInfo[c].units = wxHTML_UNITS_PIXELS;
	268	}
	269	}
	270	}
	271
	272
	273	// spanning:
	274	{
	275	tag.GetParamAsInt(wxT("COLSPAN"), &m_CellInfo[r][c].colspan);
	276	tag.GetParamAsInt(wxT("ROWSPAN"), &m_CellInfo[r][c].rowspan);
	277	if ((m_CellInfo[r][c].colspan != 1) \|\| (m_CellInfo[r][c].rowspan != 1))
	278	{
	279	int i, j;
	280
	281	if (r + m_CellInfo[r][c].rowspan > m_NumRows)
	282	ReallocRows(r + m_CellInfo[r][c].rowspan);
	283	if (c + m_CellInfo[r][c].colspan > m_NumCols)
	284	ReallocCols(c + m_CellInfo[r][c].colspan);
	285	for (i = r; i < r + m_CellInfo[r][c].rowspan; i++)
	286	for (j = c; j < c + m_CellInfo[r][c].colspan; j++)
	287	m_CellInfo[i][j].flag = cellSpan;
	288	m_CellInfo[r][c].flag = cellUsed;
	289	}
	290	}
	291
	292	//background color:
	293	{
	294	wxColour bk = m_rBkg;
	295	if (tag.HasParam(wxT("BGCOLOR")))
	296	tag.GetParamAsColour(wxT("BGCOLOR"), &bk);
	297	if (bk.Ok())
	298	cell->SetBackgroundColour(bk);
	299	}
	300	if (m_HasBorders)
	301	cell->SetBorder(TABLE_BORDER_CLR_2, TABLE_BORDER_CLR_1);
	302
	303	// vertical alignment:
	304	{
	305	wxString valign;
	306	if (tag.HasParam(wxT("VALIGN")))
	307	valign = tag.GetParam(wxT("VALIGN"));
	308	else
	309	valign = m_tValign;
	310	valign.MakeUpper();
	311	if (valign == wxT("TOP"))
	312	m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
	313	else if (valign == wxT("BOTTOM"))
	314	m_CellInfo[r][c].valign = wxHTML_ALIGN_BOTTOM;
	315	else m_CellInfo[r][c].valign = wxHTML_ALIGN_CENTER;
	316	}
	317
	318	cell->SetIndent(m_Padding, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
	319	}
	320
	321
	322
	323
	324
	325	void wxHtmlTableCell::Layout(int w)
	326	{
	327	/*
	328
	329	WIDTH ADJUSTING :
	330
	331	*/
	332
	333	if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT)
	334	{
	335	if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
	336	else m_Width = m_WidthFloat * w / 100;
	337	}
	338	else
	339	{
	340	if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
	341	else m_Width = m_WidthFloat;
	342	}
	343
	344
	345	/*
	346
	347	LAYOUTING :
	348
	349	*/
	350
	351	/* 1. setup columns widths: */
	352	{
	353	int wpix = m_Width - (m_NumCols + 1) * m_Spacing;
	354	int i, j;
	355	int wtemp = 0;
	356
	357	// 1a. setup fixed-width columns:
	358	for (i = 0; i < m_NumCols; i++)
	359	if (m_ColsInfo[i].units == wxHTML_UNITS_PIXELS)
	360	wpix -= (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width);
	361
	362	// 1b. setup floating-width columns:
	363	for (i = 0; i < m_NumCols; i++)
	364	if ((m_ColsInfo[i].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[i].width != 0))
	365	wtemp += (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width * wpix / 100);
	366	wpix -= wtemp;
	367
	368	// 1c. setup defalut columns (no width specification supplied):
	369	// NOTE! This algorithm doesn't conform to HTML standard : it assigns equal widths
	370	// instead of optimal
	371	for (i = j = 0; i < m_NumCols; i++)
	372	if (m_ColsInfo[i].width == 0) j++;
	373	for (i = 0; i < m_NumCols; i++)
	374	if (m_ColsInfo[i].width == 0)
	375	m_ColsInfo[i].pixwidth = wpix / j;
	376	}
	377
	378	/* 2. compute positions of columns: */
	379	{
	380	int wpos = m_Spacing;
	381	for (int i = 0; i < m_NumCols; i++)
	382	{
	383	m_ColsInfo[i].leftpos = wpos;
	384	wpos += m_ColsInfo[i].pixwidth + m_Spacing;
	385	}
	386	}
	387
	388	/* 3. sub-layout all cells: */
	389	{
	390	int *ypos = new int[m_NumRows + 1];
	391
	392	int actcol, actrow;
	393	int fullwid;
	394	wxHtmlContainerCell *actcell;
	395
	396	ypos[0] = m_Spacing;
	397	for (actrow = 1; actrow <= m_NumRows; actrow++) ypos[actrow] = -1;
	398	for (actrow = 0; actrow < m_NumRows; actrow++)
	399	{
	400	if (ypos[actrow] == -1) ypos[actrow] = ypos[actrow-1];
	401	// 3a. sub-layout and detect max height:
	402
	403	for (actcol = 0; actcol < m_NumCols; actcol++) {
	404	if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
	405	actcell = m_CellInfo[actrow][actcol].cont;
	406	fullwid = 0;
	407	for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
	408	fullwid += m_ColsInfo[i].pixwidth;
	409	fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing;
	410	actcell->SetMinHeight(m_CellInfo[actrow][actcol].minheight, m_CellInfo[actrow][actcol].valign);
	411	actcell->Layout(fullwid);
	412
	413	if (ypos[actrow] + actcell->GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing > ypos[actrow + m_CellInfo[actrow][actcol].rowspan])
	414	ypos[actrow + m_CellInfo[actrow][actcol].rowspan] =
	415	ypos[actrow] + actcell->GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing;
	416	}
	417	}
	418
	419	for (actrow = 0; actrow < m_NumRows; actrow++)
	420	{
	421	// 3b. place cells in row & let'em all have same height:
	422
	423	for (actcol = 0; actcol < m_NumCols; actcol++)
	424	{
	425	if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
	426	actcell = m_CellInfo[actrow][actcol].cont;
	427	actcell->SetMinHeight(
	428	ypos[actrow + m_CellInfo[actrow][actcol].rowspan] - ypos[actrow] - m_Spacing,
	429	m_CellInfo[actrow][actcol].valign);
	430	fullwid = 0;
	431	for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
	432	fullwid += m_ColsInfo[i].pixwidth;
	433	fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing;
	434	actcell->Layout(fullwid);
	435	actcell->SetPos(m_ColsInfo[actcol].leftpos, ypos[actrow]);
	436	}
	437	}
	438	m_Height = ypos[m_NumRows];
	439	delete[] ypos;
	440	}
	441	}
	442
	443
	444
	445
	446
	447
	448	//-----------------------------------------------------------------------------
	449	// The tables handler:
	450	//-----------------------------------------------------------------------------
	451
	452
	453	TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH")
	454
	455	TAG_HANDLER_VARS
	456	wxHtmlTableCell* m_Table;
	457	wxString m_tAlign, m_rAlign;
	458	int m_OldAlign;
	459
	460	TAG_HANDLER_CONSTR(TABLE)
	461	{
	462	m_Table = NULL;
	463	m_tAlign = m_rAlign = wxEmptyString;
	464	m_OldAlign = wxHTML_ALIGN_LEFT;
	465	}
	466
	467
	468	TAG_HANDLER_PROC(tag)
	469	{
	470	wxHtmlContainerCell *c;
	471
	472	// new table started, backup upper-level table (if any) and create new:
	473	if (tag.GetName() == wxT("TABLE"))
	474	{
	475	wxHtmlTableCell *oldt = m_Table;
	476	wxHtmlContainerCell *oldcont;
	477	int m_OldAlign;
	478
	479	oldcont = c = m_WParser->OpenContainer();
	480
	481	c->SetWidthFloat(tag, m_WParser->GetPixelScale());
	482	m_Table = new wxHtmlTableCell(c, tag, m_WParser->GetPixelScale());
	483	m_OldAlign = m_WParser->GetAlign();
	484	m_tAlign = wxEmptyString;
	485	if (tag.HasParam(wxT("ALIGN")))
	486	m_tAlign = tag.GetParam(wxT("ALIGN"));
	487
	488	ParseInner(tag);
	489
	490	m_WParser->SetAlign(m_OldAlign);
	491	m_WParser->SetContainer(oldcont);
	492	m_WParser->CloseContainer();
	493	m_Table = oldt;
	494	return TRUE;
	495	}
	496
	497
	498	else if (m_Table && !tag.IsEnding())
	499	{
	500	// new row in table
	501	if (tag.GetName() == wxT("TR"))
	502	{
	503	m_Table->AddRow(tag);
	504	m_rAlign = m_tAlign;
	505	if (tag.HasParam(wxT("ALIGN")))
	506	m_rAlign = tag.GetParam(wxT("ALIGN"));
	507	}
	508
	509	// new cell
	510	else
	511	{
	512	m_WParser->SetAlign(m_OldAlign);
	513	c = m_WParser->SetContainer(new wxHtmlContainerCell(m_Table));
	514	m_Table->AddCell(c, tag);
	515
	516	m_WParser->OpenContainer();
	517
	518	if (tag.GetName() == wxT("TH")) /header style/
	519	{
	520	m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
	521	}
	522
	523	{
	524	wxString als;
	525
	526	als = m_rAlign;
	527	if (tag.HasParam(wxT("ALIGN")))
	528	als = tag.GetParam(wxT("ALIGN"));
	529	als.MakeUpper();
	530	if (als == wxT("RIGHT"))
	531	m_WParser->SetAlign(wxHTML_ALIGN_RIGHT);
	532	else if (als == wxT("CENTER"))
	533	m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
	534	}
	535	m_WParser->OpenContainer();
	536	}
	537	}
	538	return FALSE;
	539	}
	540
	541	TAG_HANDLER_END(TABLE)
	542
	543
	544
	545
	546
	547	TAGS_MODULE_BEGIN(Tables)
	548
	549	TAGS_MODULE_ADD(TABLE)
	550
	551	TAGS_MODULE_END(Tables)
	552
	553
	554	#endif