mirror of
https://github.com/moodle/moodle.git
synced 2025-02-21 18:08:02 +01:00
109 lines
4.6 KiB
PHP
109 lines
4.6 KiB
PHP
<?PHP
|
|
class hotpot_xml_template_default {
|
|
function read_template($filename, $tag='temporary') {
|
|
// create the file path to the template
|
|
$filepath = $this->parent->template_dirpath.DIRECTORY_SEPARATOR.$filename;
|
|
// try and open the template file
|
|
if (!file_exists($filepath) || !is_readable($filepath)) {
|
|
print_error('cannotopentemplate', '', $this->parent->course_homeurl, $filepath);
|
|
}
|
|
// read in the template and close the file
|
|
$this->$tag = file_get_contents($filepath);
|
|
// expand the blocks and strings in the template
|
|
$this->expand_blocks($tag);
|
|
$this->expand_strings($tag);
|
|
if ($tag=='temporary') {
|
|
$template = $this->$tag;
|
|
$this->$tag = '';
|
|
return $template;
|
|
}
|
|
}
|
|
function expand_blocks($tag) {
|
|
// get block $names
|
|
// [1] the full block name (including optional leading 'str' or 'incl')
|
|
// [2] leading 'incl' or 'str', if any
|
|
// [3] the real block name ([1] without [2])
|
|
$search = '/\[\/((incl|str)?((?:\w|\.)+))\]/';
|
|
preg_match_all($search, $this->$tag, $names);
|
|
$i_max = count($names[0]);
|
|
for ($i=0; $i<$i_max; $i++) {
|
|
$method = $this->parent->template_dir.'_expand_'.str_replace('.', '', $names[3][$i]);
|
|
if (method_exists($this, $method)) {
|
|
eval('$value=$this->'.$method.'();');
|
|
$search = '/\['.$names[1][$i].'\](.*?)\[\/'.$names[1][$i].'\]/s';
|
|
preg_match_all($search, $this->$tag, $blocks);
|
|
$ii_max = count($blocks[0]);
|
|
for ($ii=0; $ii<$ii_max; $ii++) {
|
|
$replace = empty($value) ? '' : $blocks[1][$ii];
|
|
$this->$tag = str_replace($blocks[0][$ii], $replace, $this->$tag);
|
|
}
|
|
} else {
|
|
print_error('cannotfindmethod', 'hotpot', $this->parent->course_homeurl, $method);
|
|
}
|
|
}
|
|
}
|
|
function expand_strings($tag, $search='') {
|
|
if (empty($search)) {
|
|
// default $search $pattern
|
|
$search = '/\[(?:bool|int|str)(\\w+)\]/';
|
|
}
|
|
preg_match_all($search, $this->$tag, $matches);
|
|
$i_max = count($matches[0]);
|
|
for ($i=0; $i<$i_max; $i++) {
|
|
$method = $this->parent->template_dir.'_expand_'.$matches[1][$i];
|
|
if (method_exists($this, $method)) {
|
|
eval('$replace=$this->'.$method.'();');
|
|
$this->$tag = str_replace($matches[0][$i], $replace, $this->$tag);
|
|
}
|
|
}
|
|
}
|
|
function bool_value($tags, $more_tags="[0]['#']") {
|
|
$value = $this->parent->xml_value($tags, $more_tags);
|
|
return empty($value) ? 'false' : 'true';
|
|
}
|
|
function int_value($tags, $more_tags="[0]['#']") {
|
|
return intval($this->parent->xml_value($tags, $more_tags));
|
|
}
|
|
function js_value($tags, $more_tags="[0]['#']", $convert_to_unicode=false) {
|
|
return $this->js_safe($this->parent->xml_value($tags, $more_tags), $convert_to_unicode);
|
|
}
|
|
function js_safe($str, $convert_to_unicode=false) {
|
|
// encode a string for javascript
|
|
// decode "<" and ">" - not necesary as it was done by xml_value()
|
|
// $str = strtr($str, array('<' => '<', '>' => '>'));
|
|
// escape single quotes and backslashes
|
|
$str = strtr($str, array("'"=>"\\'", '\\'=>'\\\\'));
|
|
// convert newlines (win = "\r\n", mac="\r", linix/unix="\n")
|
|
$nl = '\\n'; // javascript newline
|
|
$str = strtr($str, array("\r\n"=>$nl, "\r"=>$nl, "\n"=>$nl));
|
|
// convert (hex and decimal) html entities to unicode, if required
|
|
if ($convert_to_unicode) {
|
|
$str = preg_replace('|&#x([0-9A-F]+);|i', '\\u\\1', $str);
|
|
$str = preg_replace('|&#(\d+);|e', "'\\u'.sprintf('%04X', '\\1')", $str);
|
|
}
|
|
return $str;
|
|
}
|
|
function get_halfway_color($x, $y) {
|
|
// returns the $color that is half way between $x and $y
|
|
$color = $x; // default
|
|
$rgb = '/^\#?([0-9a-f])([0-9a-f])([0-9a-f])$/i';
|
|
$rrggbb = '/^\#?([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i';
|
|
if ((
|
|
preg_match($rgb, $x, $x_matches) ||
|
|
preg_match($rrggbb, $x, $x_matches)
|
|
) && (
|
|
preg_match($rgb, $y, $y_matches) ||
|
|
preg_match($rrggbb, $y, $y_matches)
|
|
)) {
|
|
$color = '#';
|
|
for ($i=1; $i<=3; $i++) {
|
|
$x_dec = hexdec($x_matches[$i]);
|
|
$y_dec = hexdec($y_matches[$i]);
|
|
$color .= sprintf('%02x', min($x_dec, $y_dec) + abs($x_dec-$y_dec)/2);
|
|
}
|
|
}
|
|
return $color;
|
|
}
|
|
}
|
|
?>
|