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;

        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	#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	{
	146	for (int i = 0; i < m_NumRows; i++)
	147	free(m_CellInfo[i]);
	148	free(m_CellInfo);
	149	}
	150	}
	151
	152
	153
	154	void wxHtmlTableCell::ReallocCols(int cols)
	155	{
	156	int i,j;
	157
	158	for (i = 0; i < m_NumRows; i++)
	159	{
	160	m_CellInfo[i] = (cellStruct) realloc(m_CellInfo[i], sizeof(cellStruct) cols);
	161	for (j = m_NumCols; j < cols; j++)
	162	m_CellInfo[i][j].flag = cellFree;
	163	}
	164
	165	m_ColsInfo = (colStruct) realloc(m_ColsInfo, sizeof(colStruct) cols);
	166	for (j = m_NumCols; j < cols; j++)
	167	{
	168	m_ColsInfo[j].width = 0;
	169	m_ColsInfo[j].units = wxHTML_UNITS_PERCENT;
	170	}
	171
	172	m_NumCols = cols;
	173	}
	174
	175
	176
	177	void wxHtmlTableCell::ReallocRows(int rows)
	178	{
	179	m_CellInfo = (cellStruct*) realloc(m_CellInfo, sizeof(cellStruct) * rows);
	180	for (int row = m_NumRows; row < rows ; row++)
	181	{
	182	if (m_NumCols == 0)
	183	m_CellInfo[row] = NULL;
	184	else
	185	{
	186	m_CellInfo[row] = (cellStruct) malloc(sizeof(cellStruct) m_NumCols);
	187	for (int col = 0; col < m_NumCols; col++)
	188	m_CellInfo[row][col].flag = cellFree;
	189	}
	190	}
	191	m_NumRows = rows;
	192	}
	193
	194
	195	void wxHtmlTableCell::AddRow(const wxHtmlTag& tag)
	196	{
	197	if (m_ActualRow + 1 > m_NumRows - 1)
	198	ReallocRows(m_ActualRow + 2);
	199	m_ActualRow++;
	200	m_ActualCol = -1;
	201
	202	/* scan params: */
	203	m_rBkg = m_tBkg;
	204	if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &m_rBkg);
	205	if (tag.HasParam(wxT("VALIGN"))) m_rValign = tag.GetParam(wxT("VALIGN")); else m_rValign = m_tValign;
	206	}
	207
	208
	209
	210	void wxHtmlTableCell::AddCell(wxHtmlContainerCell *cell, const wxHtmlTag& tag)
	211	{
	212	do
	213	{
	214	m_ActualCol++;
	215	} while ((m_ActualCol < m_NumCols) && (m_CellInfo[m_ActualRow][m_ActualCol].flag != cellFree));
	216
	217	if (m_ActualCol > m_NumCols - 1)
	218	ReallocCols(m_ActualCol + 1);
	219
	220	int r = m_ActualRow, c = m_ActualCol;
	221
	222	m_CellInfo[r][c].cont = cell;
	223	m_CellInfo[r][c].colspan = 1;
	224	m_CellInfo[r][c].rowspan = 1;
	225	m_CellInfo[r][c].flag = cellUsed;
	226	m_CellInfo[r][c].minheight = 0;
	227	m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
	228
	229	/* scan for parameters: */
	230
	231	// width:
	232	{
	233	if (tag.HasParam("WIDTH"))
	234	{
	235	wxString wd = tag.GetParam("WIDTH");
	236
	237	if (wd[wd.Length()-1] == '%')
	238	{
	239	wxSscanf(wd.c_str(), wxT("%i%%"), &m_ColsInfo[c].width);
	240	m_ColsInfo[c].units = wxHTML_UNITS_PERCENT;
	241	}
	242	else
	243	{
	244	wxSscanf(wd.c_str(), wxT("%i"), &m_ColsInfo[c].width);
	245	m_ColsInfo[c].width = (int)(m_PixelScale * (double)m_ColsInfo[c].width);
	246	m_ColsInfo[c].units = wxHTML_UNITS_PIXELS;
	247	}
	248	}
	249	}
	250
	251
	252	// spanning:
	253	{
	254	if (tag.HasParam(wxT("COLSPAN"))) tag.ScanParam(wxT("COLSPAN"), wxT("%i"), &m_CellInfo[r][c].colspan);
	255	if (tag.HasParam(wxT("ROWSPAN"))) tag.ScanParam(wxT("ROWSPAN"), wxT("%i"), &m_CellInfo[r][c].rowspan);
	256	if ((m_CellInfo[r][c].colspan != 1) \|\| (m_CellInfo[r][c].rowspan != 1))
	257	{
	258	int i, j;
	259
	260	if (r + m_CellInfo[r][c].rowspan > m_NumRows) ReallocRows(r + m_CellInfo[r][c].rowspan);
	261	if (c + m_CellInfo[r][c].colspan > m_NumCols) ReallocCols(c + m_CellInfo[r][c].colspan);
	262	for (i = r; i < r + m_CellInfo[r][c].rowspan; i++)
	263	for (j = c; j < c + m_CellInfo[r][c].colspan; j++)
	264	m_CellInfo[i][j].flag = cellSpan;
	265	m_CellInfo[r][c].flag = cellUsed;
	266	}
	267	}
	268
	269	//background color:
	270	{
	271	int bk = m_rBkg;
	272	if (tag.HasParam(wxT("BGCOLOR"))) tag.ScanParam(wxT("BGCOLOR"), wxT("#%lX"), &bk);
	273	if (bk != -1)
	274	{
	275	wxColour clr = wxColour((bk & 0xFF0000) >> 16 , (bk & 0x00FF00) >> 8, (bk & 0x0000FF));
	276	cell->SetBackgroundColour(clr);
	277	}
	278	}
	279	if (m_HasBorders)
	280	cell->SetBorder(TABLE_BORDER_CLR_2, TABLE_BORDER_CLR_1);
	281
	282	// vertical alignment:
	283	{
	284	wxString valign;
	285	if (tag.HasParam(wxT("VALIGN"))) valign = tag.GetParam(wxT("VALIGN")); else valign = m_tValign;
	286	valign.MakeUpper();
	287	if (valign == wxT("TOP")) m_CellInfo[r][c].valign = wxHTML_ALIGN_TOP;
	288	else if (valign == wxT("BOTTOM")) m_CellInfo[r][c].valign = wxHTML_ALIGN_BOTTOM;
	289	else m_CellInfo[r][c].valign = wxHTML_ALIGN_CENTER;
	290	}
	291
	292	cell->SetIndent(m_Padding, wxHTML_INDENT_ALL, wxHTML_UNITS_PIXELS);
	293	}
	294
	295
	296
	297
	298
	299	void wxHtmlTableCell::Layout(int w)
	300	{
	301	/*
	302
	303	WIDTH ADJUSTING :
	304
	305	*/
	306
	307	if (m_WidthFloatUnits == wxHTML_UNITS_PERCENT)
	308	{
	309	if (m_WidthFloat < 0) m_Width = (100 + m_WidthFloat) * w / 100;
	310	else m_Width = m_WidthFloat * w / 100;
	311	}
	312	else
	313	{
	314	if (m_WidthFloat < 0) m_Width = w + m_WidthFloat;
	315	else m_Width = m_WidthFloat;
	316	}
	317
	318
	319	/*
	320
	321	LAYOUTING :
	322
	323	*/
	324
	325	/* 1. setup columns widths: */
	326	{
	327	int wpix = m_Width - (m_NumCols + 1) * m_Spacing;
	328	int i, j;
	329	int wtemp = 0;
	330
	331	// 1a. setup fixed-width columns:
	332	for (i = 0; i < m_NumCols; i++)
	333	if (m_ColsInfo[i].units == wxHTML_UNITS_PIXELS)
	334	wpix -= (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width);
	335
	336	// 1b. setup floating-width columns:
	337	for (i = 0; i < m_NumCols; i++)
	338	if ((m_ColsInfo[i].units == wxHTML_UNITS_PERCENT) && (m_ColsInfo[i].width != 0))
	339	wtemp += (m_ColsInfo[i].pixwidth = m_ColsInfo[i].width * wpix / 100);
	340	wpix -= wtemp;
	341
	342	// 1c. setup defalut columns (no width specification supplied):
	343	// NOTE! This algorithm doesn't conform to HTML standard : it assigns equal widths
	344	// instead of optimal
	345	for (i = j = 0; i < m_NumCols; i++)
	346	if (m_ColsInfo[i].width == 0) j++;
	347	for (i = 0; i < m_NumCols; i++)
	348	if (m_ColsInfo[i].width == 0)
	349	m_ColsInfo[i].pixwidth = wpix / j;
	350	}
	351
	352	/* 2. compute positions of columns: */
	353	{
	354	int wpos = m_Spacing;
	355	for (int i = 0; i < m_NumCols; i++)
	356	{
	357	m_ColsInfo[i].leftpos = wpos;
	358	wpos += m_ColsInfo[i].pixwidth + m_Spacing;
	359	}
	360	}
	361
	362	/* 3. sub-layout all cells: */
	363	{
	364	int *ypos = new int[m_NumRows + 1];
	365
	366	int actcol, actrow;
	367	int fullwid;
	368	wxHtmlContainerCell *actcell;
	369
	370	ypos[0] = m_Spacing;
	371	for (actrow = 1; actrow <= m_NumRows; actrow++) ypos[actrow] = -1;
	372	for (actrow = 0; actrow < m_NumRows; actrow++)
	373	{
	374	if (ypos[actrow] == -1) ypos[actrow] = ypos[actrow-1];
	375	// 3a. sub-layout and detect max height:
	376
	377	for (actcol = 0; actcol < m_NumCols; actcol++) {
	378	if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
	379	actcell = m_CellInfo[actrow][actcol].cont;
	380	fullwid = 0;
	381	for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
	382	fullwid += m_ColsInfo[i].pixwidth;
	383	fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing;
	384	actcell->SetMinHeight(m_CellInfo[actrow][actcol].minheight, m_CellInfo[actrow][actcol].valign);
	385	actcell->Layout(fullwid);
	386
	387	if (ypos[actrow] + actcell->GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing > ypos[actrow + m_CellInfo[actrow][actcol].rowspan])
	388	ypos[actrow + m_CellInfo[actrow][actcol].rowspan] =
	389	ypos[actrow] + actcell->GetHeight() + m_CellInfo[actrow][actcol].rowspan * m_Spacing;
	390	}
	391	}
	392
	393	for (actrow = 0; actrow < m_NumRows; actrow++)
	394	{
	395	// 3b. place cells in row & let'em all have same height:
	396
	397	for (actcol = 0; actcol < m_NumCols; actcol++)
	398	{
	399	if (m_CellInfo[actrow][actcol].flag != cellUsed) continue;
	400	actcell = m_CellInfo[actrow][actcol].cont;
	401	actcell->SetMinHeight(
	402	ypos[actrow + m_CellInfo[actrow][actcol].rowspan] - ypos[actrow] - m_Spacing,
	403	m_CellInfo[actrow][actcol].valign);
	404	fullwid = 0;
	405	for (int i = actcol; i < m_CellInfo[actrow][actcol].colspan + actcol; i++)
	406	fullwid += m_ColsInfo[i].pixwidth;
	407	fullwid += (m_CellInfo[actrow][actcol].colspan - 1) * m_Spacing;
	408	actcell->Layout(fullwid);
	409	actcell->SetPos(m_ColsInfo[actcol].leftpos, ypos[actrow]);
	410	}
	411	}
	412	m_Height = ypos[m_NumRows];
	413	delete[] ypos;
	414	}
	415	}
	416
	417
	418
	419
	420
	421
	422	//-----------------------------------------------------------------------------
	423	// The tables handler:
	424	//-----------------------------------------------------------------------------
	425
	426
	427	TAG_HANDLER_BEGIN(TABLE, "TABLE,TR,TD,TH")
	428
	429	TAG_HANDLER_VARS
	430	wxHtmlTableCell* m_Table;
	431	wxString m_tAlign, m_rAlign;
	432	int m_OldAlign;
	433
	434	TAG_HANDLER_CONSTR(TABLE)
	435	{
	436	m_Table = NULL;
	437	m_tAlign = m_rAlign = wxEmptyString;
	438	m_OldAlign = wxHTML_ALIGN_LEFT;
	439	}
	440
	441
	442	TAG_HANDLER_PROC(tag)
	443	{
	444	wxHtmlContainerCell *c;
	445
	446	// new table started, backup upper-level table (if any) and create new:
	447	if (tag.GetName() == wxT("TABLE"))
	448	{
	449	wxHtmlTableCell *oldt = m_Table;
	450	wxHtmlContainerCell *oldcont;
	451	int m_OldAlign;
	452
	453	oldcont = c = m_WParser->OpenContainer();
	454
	455	c->SetWidthFloat(tag, m_WParser->GetPixelScale());
	456	m_Table = new wxHtmlTableCell(c, tag, m_WParser->GetPixelScale());
	457	m_OldAlign = m_WParser->GetAlign();
	458	m_tAlign = wxEmptyString;
	459	if (tag.HasParam(wxT("ALIGN"))) m_tAlign = tag.GetParam(wxT("ALIGN"));
	460
	461	ParseInner(tag);
	462
	463	m_WParser->SetAlign(m_OldAlign);
	464	m_WParser->SetContainer(oldcont);
	465	m_WParser->CloseContainer();
	466	m_Table = oldt;
	467	return TRUE;
	468	}
	469
	470
	471	else if (m_Table && !tag.IsEnding())
	472	{
	473	// new row in table
	474	if (tag.GetName() == wxT("TR"))
	475	{
	476	m_Table->AddRow(tag);
	477	m_rAlign = m_tAlign;
	478	if (tag.HasParam(wxT("ALIGN"))) m_rAlign = tag.GetParam(wxT("ALIGN"));
	479	}
	480
	481	// new cell
	482	else
	483	{
	484	m_WParser->SetAlign(m_OldAlign);
	485	c = m_WParser->SetContainer(new wxHtmlContainerCell(m_Table));
	486	m_Table->AddCell(c, tag);
	487
	488	m_WParser->OpenContainer();
	489
	490	if (tag.GetName() == wxT("TH")) /header style/
	491	{
	492	m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
	493	}
	494
	495	{
	496	wxString als;
	497
	498	als = m_rAlign;
	499	if (tag.HasParam(wxT("ALIGN"))) als = tag.GetParam(wxT("ALIGN"));
	500	als.MakeUpper();
	501	if (als == wxT("RIGHT")) m_WParser->SetAlign(wxHTML_ALIGN_RIGHT);
	502	else if (als == wxT("CENTER")) m_WParser->SetAlign(wxHTML_ALIGN_CENTER);
	503	}
	504	m_WParser->OpenContainer();
	505	}
	506	}
	507	return FALSE;
	508	}
	509
	510	TAG_HANDLER_END(TABLE)
	511
	512
	513
	514
	515
	516	TAGS_MODULE_BEGIN(Tables)
	517
	518	TAGS_MODULE_ADD(TABLE)
	519
	520	TAGS_MODULE_END(Tables)
	521
	522
	523	#endif