'; } // fill arrowhead direction if ($arrow_spec & (1 << (0 + 4))) $cells[1]['classes'][] = $this->css_classes['arrow-inside']; if ($arrow_spec & (1 << (1 + 4))) $cells[3]['classes'][] = $this->css_classes['arrow-inside']; if ($arrow_spec & (1 << (2 + 4))) $cells[2]['classes'][] = $this->css_classes['arrow-inside']; if ($arrow_spec & (1 << (3 + 4))) $cells[0]['classes'][] = $this->css_classes['arrow-inside']; // clear for ($i = 0; $i < 4; $i++) if (empty($cells[$i]['classes'])) unset($cells[$i]['classes']); return $cells; } /** * Generate border CSS class for connection cell. * * @param string $type 's' for solid, 'd' for dashed * @param string $direction 'right'or 'bottom' * @return string class name */ function _borderClass ($type, $direction) { if ($type != 's' && $type != 'd') return 'error'; $key = "border-$direction-".($type == 's' ? 'solid' : 'dashed'); return $this->css_classes[$key]; } /** * Generate table with diagram. * * @param array $framework table framework generated by _genFramework * @param array $abbrs information about abbreviations * @return string xhtml table */ function _renderDiagram ($framework, $abbrs) { $n_rows = $framework['n_rows']; $n_cols = $framework['n_cols']; // output table $table = ''."\n"; // create horizontal spacer row // first cell is for column of vertical spacers $table .= "\t\n\t\t\n"; for ($i = 0; $i < $n_cols; $i++) $table .= "\t\t\n"; $table .= "\t\n"; // create diagram rows for ($i = 0; $i < $n_rows; $i++) { // get table row spec $row = array_key_exists($i, $framework) ? $framework[$i] : array (); // line number $line_index = $i / 2; // output tr // first cell is for column of vertical spacers $table .= "\t\n\t\t\n"; foreach ($row as $cell) { // generate cell content and update style $cell_content = ''; // empty cell or connection cell if (!isset($cell['text'])) { if (isset($cell['content'])) $cell_content = $cell['content']; } // cell with abbreviation else if (array_key_exists($line_index, $abbrs) && array_key_exists($cell['text'], $abbrs[$line_index])) { $cell_content = $this->_renderWikiCalls ($abbrs[$line_index][$cell['text']]['content']); $cell['style'] = $this->_generateBlockStyle ($abbrs[$line_index][$cell['text']]['params']); } // cell with unrecognized abbreviation else $cell_content = $cell['text']; // output td $table .= "\t\t' .$cell_content ."\n"; } $table .= "\t\n"; } $table .= "

	css_classes['spacer-horizontal']."\">
css_classes['spacer-vertical']."\">

\n"; return $table; } /** * Generate CSS style for diagram block. * * @param array $params supported block CSS parameters * @return string css style */ function _generateBlockStyle ($params) { $css_props = array(); foreach ($params as $param => $value) $css_props[] = "$param: $value;"; return implode(' ', $css_props); } /** * Render wiki instructions. * * @param array $calls DokuWiki calls * @return string xhtml markup */ function _renderWikiCalls ($calls) { return p_render('xhtml', $calls, $info); } /** * Check if given color will not break css style. * * @param string $color checked string * @return true, if string is good for css */ function _validateCSSColor ($color) { // color name; for ex. 'green' if (preg_match("/^[a-z]+$/", $color)) return true; // short number notation; for ex. '#e73' if (preg_match("/^#[0-9a-fA-F]{3}$/", $color)) return true; // full number notation; for ex. '#ef703f' if (preg_match("/^#[0-9a-fA-F]{6}$/", $color)) return true; // rgb notation; for ex. 'rgb(11,22,33)' or 'rgb(11%,22%,33%)' if (preg_match("/^rgb\([ ]*[0-9]{1,3}[ ]*,[ ]*[0-9]{1,3}[ ]*,[ ]*[0-9]{1,3}[ ]*\)$/", $color)) return true; if (preg_match("/^rgb\([ ]*[0-9]{1,3}%[ ]*,[ ]*[0-9]{1,3}%[ ]*,[ ]*[0-9]{1,3}%[ ]*\)$/", $color)) return true; return false; } /** * Check if given value is proper for css text-align. * * @param string $value checked string * @return true, if string is good as a value for css text-align */ function _validateCSSTextAlign ($value) { return $value == 'center' || $value == 'justify' || $value == 'left' || $value == 'right'; } /** * Check if given value is proper for css padding. * * @param string $value checked string * @return true, if string is good as a value for css padding */ function _validateCSSPadding ($value) { if (preg_match("/^((auto|[0-9]+px|[0-9]+%|[0-9]+em)[ ]*){1,4}$/", $value)) return true; return false; } }