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/*
* File: table.cc
*
* Copyright 2008 Jorge Arellano Cid <jcid@dillo.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*/
#include "table.hh"
#include "html_common.hh"
#include "dw/style.hh"
#include "dw/textblock.hh"
#include "dw/table.hh"
#include "prefs.h"
#include "msg.h"
#include "css.hh"
/* Undefine if you want to unroll tables. For instance for PDAs */
#define USE_TABLES
using namespace dw;
using namespace dw::core;
using namespace dw::core::style;
/*
* Forward declarations
*/
static void Html_tag_open_table_cell(DilloHtml *html,
const char *tag, int tagsize,
dw::core::style::TextAlignType text_align);
/*
* <TABLE>
*/
void Html_tag_open_table(DilloHtml *html, const char *tag, int tagsize)
{
#ifdef USE_TABLES
dw::core::Widget *table;
CssPropertyList props, *table_cell_props;
const char *attrbuf;
int32_t border = -1, cellspacing = -1, cellpadding = -1, bgcolor = -1;
int cssLength;
#endif
DW2TB(html->dw)->addParbreak (0, html->styleEngine->wordStyle ());
#ifdef USE_TABLES
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "border")))
border = isdigit(attrbuf[0]) ? strtol (attrbuf, NULL, 10) : 1;
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "cellspacing")))
cellspacing = strtol (attrbuf, NULL, 10);
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "cellpadding")))
cellpadding = strtol (attrbuf, NULL, 10);
if (border != -1) {
cssLength = CSS_CREATE_LENGTH (border, CSS_LENGTH_TYPE_PX);
props.set (CSS_PROPERTY_BORDER_TOP_WIDTH, CSS_TYPE_LENGTH_PERCENTAGE,
cssLength);
props.set (CSS_PROPERTY_BORDER_BOTTOM_WIDTH, CSS_TYPE_LENGTH_PERCENTAGE,
cssLength);
props.set (CSS_PROPERTY_BORDER_LEFT_WIDTH, CSS_TYPE_LENGTH_PERCENTAGE,
cssLength);
props.set (CSS_PROPERTY_BORDER_RIGHT_WIDTH, CSS_TYPE_LENGTH_PERCENTAGE,
cssLength);
}
if (cellspacing != -1) {
cssLength = CSS_CREATE_LENGTH (cellspacing, CSS_LENGTH_TYPE_PX);
props.set (CSS_PROPERTY_BORDER_SPACING, CSS_TYPE_LENGTH_PERCENTAGE,
cssLength);
}
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "width")))
props.set (CSS_PROPERTY_WIDTH, CSS_TYPE_LENGTH_PERCENTAGE,
a_Html_parse_length (html, attrbuf));
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "align"))) {
if (dStrcasecmp (attrbuf, "left") == 0)
props.set (CSS_PROPERTY_TEXT_ALIGN, CSS_TYPE_ENUM, TEXT_ALIGN_LEFT);
else if (dStrcasecmp (attrbuf, "right") == 0)
props.set (CSS_PROPERTY_TEXT_ALIGN, CSS_TYPE_ENUM, TEXT_ALIGN_RIGHT);
else if (dStrcasecmp (attrbuf, "center") == 0)
props.set (CSS_PROPERTY_TEXT_ALIGN, CSS_TYPE_ENUM, TEXT_ALIGN_CENTER);
}
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "bgcolor"))) {
bgcolor = a_Html_color_parse(html, attrbuf, -1);
if (bgcolor != -1) {
if (bgcolor == 0xffffff && !prefs.allow_white_bg)
bgcolor = prefs.bg_color;
S_TOP(html)->current_bg_color = bgcolor;
props.set (CSS_PROPERTY_BACKGROUND_COLOR, CSS_TYPE_COLOR, bgcolor);
}
}
html->styleEngine->setNonCssHints (&props);
/* The style for the cells */
table_cell_props = new CssPropertyList ();
if (border > 0) {
cssLength = CSS_CREATE_LENGTH (1, CSS_LENGTH_TYPE_PX);
table_cell_props->set (CSS_PROPERTY_BORDER_TOP_WIDTH,
CSS_TYPE_LENGTH_PERCENTAGE, cssLength);
table_cell_props->set (CSS_PROPERTY_BORDER_BOTTOM_WIDTH,
CSS_TYPE_LENGTH_PERCENTAGE, cssLength);
table_cell_props->set (CSS_PROPERTY_BORDER_LEFT_WIDTH,
CSS_TYPE_LENGTH_PERCENTAGE, cssLength);
table_cell_props->set (CSS_PROPERTY_BORDER_RIGHT_WIDTH,
CSS_TYPE_LENGTH_PERCENTAGE, cssLength);
}
if (cellpadding != -1) {
cssLength = CSS_CREATE_LENGTH (cellpadding, CSS_LENGTH_TYPE_PX);
table_cell_props->set (CSS_PROPERTY_PADDING_TOP,
CSS_TYPE_LENGTH_PERCENTAGE, cssLength);
table_cell_props->set (CSS_PROPERTY_PADDING_BOTTOM,
CSS_TYPE_LENGTH_PERCENTAGE, cssLength);
table_cell_props->set (CSS_PROPERTY_PADDING_LEFT,
CSS_TYPE_LENGTH_PERCENTAGE, cssLength);
table_cell_props->set (CSS_PROPERTY_PADDING_RIGHT,
CSS_TYPE_LENGTH_PERCENTAGE, cssLength);
}
if (S_TOP(html)->table_cell_props)
S_TOP(html)->table_cell_props->unref ();
S_TOP(html)->table_cell_props = table_cell_props;
S_TOP(html)->table_cell_props->ref ();
table = new dw::Table(prefs.limit_text_width);
DW2TB(html->dw)->addWidget (table, html->styleEngine->style ());
S_TOP(html)->table_mode = DILLO_HTML_TABLE_MODE_TOP;
S_TOP(html)->cell_text_align_set = FALSE;
S_TOP(html)->table = table;
#endif
}
/*
* <TR>
*/
void Html_tag_open_tr(DilloHtml *html, const char *tag, int tagsize)
{
const char *attrbuf;
int32_t bgcolor = -1;
bool new_style = false;
CssPropertyList props, *table_cell_props;
#ifdef USE_TABLES
switch (S_TOP(html)->table_mode) {
case DILLO_HTML_TABLE_MODE_NONE:
_MSG("Invalid HTML syntax: <tr> outside <table>\n");
return;
case DILLO_HTML_TABLE_MODE_TOP:
case DILLO_HTML_TABLE_MODE_TR:
case DILLO_HTML_TABLE_MODE_TD:
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "bgcolor"))) {
bgcolor = a_Html_color_parse(html, attrbuf, -1);
if (bgcolor != -1) {
if (bgcolor == 0xffffff && !prefs.allow_white_bg)
bgcolor = prefs.bg_color;
props.set (CSS_PROPERTY_BACKGROUND_COLOR, CSS_TYPE_COLOR, bgcolor);
S_TOP(html)->current_bg_color = bgcolor;
}
}
html->styleEngine->inheritBackgroundColor ();
html->styleEngine->setNonCssHints (&props);
((dw::Table*)S_TOP(html)->table)->addRow (html->styleEngine->style ());
if (a_Html_get_attr (html, tag, tagsize, "align")) {
S_TOP(html)->cell_text_align_set = TRUE;
a_Html_tag_set_align_attr (html, &props, tag, tagsize);
html->styleEngine->setNonCssHints (&props);
}
table_cell_props = new CssPropertyList (*S_TOP(html)->table_cell_props);
if (bgcolor != -1) {
table_cell_props->set (CSS_PROPERTY_BACKGROUND_COLOR,
CSS_TYPE_COLOR, bgcolor);
new_style = true;
}
if (a_Html_tag_set_valign_attr (html, tag, tagsize, table_cell_props))
new_style = true;
if (new_style) {
S_TOP(html)->table_cell_props->unref ();
S_TOP(html)->table_cell_props = table_cell_props;
S_TOP(html)->table_cell_props->ref ();
} else {
delete table_cell_props;
}
break;
default:
break;
}
S_TOP(html)->table_mode = DILLO_HTML_TABLE_MODE_TR;
#else
DW2TB(html->dw)->addParbreak (0, html->styleEngine->wordStyle ());
#endif
}
/*
* <TD>
*/
void Html_tag_open_td(DilloHtml *html, const char *tag, int tagsize)
{
Html_tag_open_table_cell (html, tag, tagsize,
dw::core::style::TEXT_ALIGN_LEFT);
}
/*
* <TH>
*/
void Html_tag_open_th(DilloHtml *html, const char *tag, int tagsize)
{
Html_tag_open_table_cell (html, tag, tagsize,
dw::core::style::TEXT_ALIGN_CENTER);
}
/*
* Utilities
*/
/*
* used by <TD> and <TH>
*/
static void Html_tag_open_table_cell(DilloHtml *html,
const char *tag, int tagsize,
dw::core::style::TextAlignType text_align)
{
#ifdef USE_TABLES
Widget *col_tb;
int colspan = 1, rowspan = 1;
const char *attrbuf;
int32_t bgcolor;
bool_t new_style;
CssPropertyList *props;
// \todo any shorter way to do this?
if (S_TOP(html)->table_cell_props != NULL)
props = new CssPropertyList (*S_TOP(html)->table_cell_props);
else
props = new CssPropertyList ();
switch (S_TOP(html)->table_mode) {
case DILLO_HTML_TABLE_MODE_NONE:
BUG_MSG("<td> or <th> outside <table>\n");
return;
case DILLO_HTML_TABLE_MODE_TOP:
BUG_MSG("<td> or <th> outside <tr>\n");
/* a_Dw_table_add_cell takes care that dillo does not crash. */
/* continues */
case DILLO_HTML_TABLE_MODE_TR:
case DILLO_HTML_TABLE_MODE_TD:
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "colspan"))) {
char *invalid;
colspan = strtol(attrbuf, &invalid, 10);
if ((colspan < 0) || (attrbuf == invalid))
colspan = 1;
}
/* TODO: check errors? */
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "rowspan")))
rowspan = MAX(1, strtol (attrbuf, NULL, 10));
/* text style */
if (!S_TOP(html)->cell_text_align_set) {
props->set (CSS_PROPERTY_TEXT_ALIGN, CSS_TYPE_ENUM, text_align);
}
if (a_Html_get_attr(html, tag, tagsize, "nowrap"))
props->set (CSS_PROPERTY_WHITE_SPACE, CSS_TYPE_ENUM, WHITE_SPACE_NOWRAP);
else
props->set (CSS_PROPERTY_WHITE_SPACE, CSS_TYPE_ENUM, WHITE_SPACE_NORMAL);
a_Html_tag_set_align_attr (html, props, tag, tagsize);
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "width"))) {
props->set (CSS_PROPERTY_WIDTH, CSS_TYPE_LENGTH_PERCENTAGE,
a_Html_parse_length (html, attrbuf));
}
if (a_Html_tag_set_valign_attr (html, tag, tagsize, props))
new_style = TRUE;
if ((attrbuf = a_Html_get_attr(html, tag, tagsize, "bgcolor"))) {
bgcolor = a_Html_color_parse(html, attrbuf, -1);
if (bgcolor != -1) {
if (bgcolor == 0xffffff && !prefs.allow_white_bg)
bgcolor = prefs.bg_color;
props->set (CSS_PROPERTY_BACKGROUND_COLOR, CSS_TYPE_COLOR, bgcolor);
S_TOP(html)->current_bg_color = bgcolor;
}
}
html->styleEngine->setNonCssHints (props);
delete props;
if (html->styleEngine->style ()->textAlign
== TEXT_ALIGN_STRING)
col_tb = new dw::TableCell (
((dw::Table*)S_TOP(html)->table)->getCellRef (),
prefs.limit_text_width);
else
col_tb = new Textblock (prefs.limit_text_width);
col_tb->setStyle (html->styleEngine->style ());
((dw::Table*)S_TOP(html)->table)->addCell (col_tb, colspan, rowspan);
S_TOP(html)->textblock = html->dw = col_tb;
/* Handle it when the user clicks on a link */
html->connectSignals(col_tb);
break;
default:
/* compiler happiness */
break;
}
S_TOP(html)->table_mode = DILLO_HTML_TABLE_MODE_TD;
#endif
}
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