friendica/library/HTMLPurifier/Printer/ConfigForm.php
2010-09-08 20:14:17 -07:00

369 lines
13 KiB
PHP

<?php
/**
* @todo Rewrite to use Interchange objects
*/
class HTMLPurifier_Printer_ConfigForm extends HTMLPurifier_Printer
{
/**
* Printers for specific fields
*/
protected $fields = array();
/**
* Documentation URL, can have fragment tagged on end
*/
protected $docURL;
/**
* Name of form element to stuff config in
*/
protected $name;
/**
* Whether or not to compress directive names, clipping them off
* after a certain amount of letters. False to disable or integer letters
* before clipping.
*/
protected $compress = false;
/**
* @param $name Form element name for directives to be stuffed into
* @param $doc_url String documentation URL, will have fragment tagged on
* @param $compress Integer max length before compressing a directive name, set to false to turn off
*/
public function __construct(
$name, $doc_url = null, $compress = false
) {
parent::__construct();
$this->docURL = $doc_url;
$this->name = $name;
$this->compress = $compress;
// initialize sub-printers
$this->fields[0] = new HTMLPurifier_Printer_ConfigForm_default();
$this->fields[HTMLPurifier_VarParser::BOOL] = new HTMLPurifier_Printer_ConfigForm_bool();
}
/**
* Sets default column and row size for textareas in sub-printers
* @param $cols Integer columns of textarea, null to use default
* @param $rows Integer rows of textarea, null to use default
*/
public function setTextareaDimensions($cols = null, $rows = null) {
if ($cols) $this->fields['default']->cols = $cols;
if ($rows) $this->fields['default']->rows = $rows;
}
/**
* Retrieves styling, in case it is not accessible by webserver
*/
public static function getCSS() {
return file_get_contents(HTMLPURIFIER_PREFIX . '/HTMLPurifier/Printer/ConfigForm.css');
}
/**
* Retrieves JavaScript, in case it is not accessible by webserver
*/
public static function getJavaScript() {
return file_get_contents(HTMLPURIFIER_PREFIX . '/HTMLPurifier/Printer/ConfigForm.js');
}
/**
* Returns HTML output for a configuration form
* @param $config Configuration object of current form state, or an array
* where [0] has an HTML namespace and [1] is being rendered.
* @param $allowed Optional namespace(s) and directives to restrict form to.
*/
public function render($config, $allowed = true, $render_controls = true) {
if (is_array($config) && isset($config[0])) {
$gen_config = $config[0];
$config = $config[1];
} else {
$gen_config = $config;
}
$this->config = $config;
$this->genConfig = $gen_config;
$this->prepareGenerator($gen_config);
$allowed = HTMLPurifier_Config::getAllowedDirectivesForForm($allowed, $config->def);
$all = array();
foreach ($allowed as $key) {
list($ns, $directive) = $key;
$all[$ns][$directive] = $config->get($ns .'.'. $directive);
}
$ret = '';
$ret .= $this->start('table', array('class' => 'hp-config'));
$ret .= $this->start('thead');
$ret .= $this->start('tr');
$ret .= $this->element('th', 'Directive', array('class' => 'hp-directive'));
$ret .= $this->element('th', 'Value', array('class' => 'hp-value'));
$ret .= $this->end('tr');
$ret .= $this->end('thead');
foreach ($all as $ns => $directives) {
$ret .= $this->renderNamespace($ns, $directives);
}
if ($render_controls) {
$ret .= $this->start('tbody');
$ret .= $this->start('tr');
$ret .= $this->start('td', array('colspan' => 2, 'class' => 'controls'));
$ret .= $this->elementEmpty('input', array('type' => 'submit', 'value' => 'Submit'));
$ret .= '[<a href="?">Reset</a>]';
$ret .= $this->end('td');
$ret .= $this->end('tr');
$ret .= $this->end('tbody');
}
$ret .= $this->end('table');
return $ret;
}
/**
* Renders a single namespace
* @param $ns String namespace name
* @param $directive Associative array of directives to values
*/
protected function renderNamespace($ns, $directives) {
$ret = '';
$ret .= $this->start('tbody', array('class' => 'namespace'));
$ret .= $this->start('tr');
$ret .= $this->element('th', $ns, array('colspan' => 2));
$ret .= $this->end('tr');
$ret .= $this->end('tbody');
$ret .= $this->start('tbody');
foreach ($directives as $directive => $value) {
$ret .= $this->start('tr');
$ret .= $this->start('th');
if ($this->docURL) {
$url = str_replace('%s', urlencode("$ns.$directive"), $this->docURL);
$ret .= $this->start('a', array('href' => $url));
}
$attr = array('for' => "{$this->name}:$ns.$directive");
// crop directive name if it's too long
if (!$this->compress || (strlen($directive) < $this->compress)) {
$directive_disp = $directive;
} else {
$directive_disp = substr($directive, 0, $this->compress - 2) . '...';
$attr['title'] = $directive;
}
$ret .= $this->element(
'label',
$directive_disp,
// component printers must create an element with this id
$attr
);
if ($this->docURL) $ret .= $this->end('a');
$ret .= $this->end('th');
$ret .= $this->start('td');
$def = $this->config->def->info["$ns.$directive"];
if (is_int($def)) {
$allow_null = $def < 0;
$type = abs($def);
} else {
$type = $def->type;
$allow_null = isset($def->allow_null);
}
if (!isset($this->fields[$type])) $type = 0; // default
$type_obj = $this->fields[$type];
if ($allow_null) {
$type_obj = new HTMLPurifier_Printer_ConfigForm_NullDecorator($type_obj);
}
$ret .= $type_obj->render($ns, $directive, $value, $this->name, array($this->genConfig, $this->config));
$ret .= $this->end('td');
$ret .= $this->end('tr');
}
$ret .= $this->end('tbody');
return $ret;
}
}
/**
* Printer decorator for directives that accept null
*/
class HTMLPurifier_Printer_ConfigForm_NullDecorator extends HTMLPurifier_Printer {
/**
* Printer being decorated
*/
protected $obj;
/**
* @param $obj Printer to decorate
*/
public function __construct($obj) {
parent::__construct();
$this->obj = $obj;
}
public function render($ns, $directive, $value, $name, $config) {
if (is_array($config) && isset($config[0])) {
$gen_config = $config[0];
$config = $config[1];
} else {
$gen_config = $config;
}
$this->prepareGenerator($gen_config);
$ret = '';
$ret .= $this->start('label', array('for' => "$name:Null_$ns.$directive"));
$ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
$ret .= $this->text(' Null/Disabled');
$ret .= $this->end('label');
$attr = array(
'type' => 'checkbox',
'value' => '1',
'class' => 'null-toggle',
'name' => "$name"."[Null_$ns.$directive]",
'id' => "$name:Null_$ns.$directive",
'onclick' => "toggleWriteability('$name:$ns.$directive',checked)" // INLINE JAVASCRIPT!!!!
);
if ($this->obj instanceof HTMLPurifier_Printer_ConfigForm_bool) {
// modify inline javascript slightly
$attr['onclick'] = "toggleWriteability('$name:Yes_$ns.$directive',checked);toggleWriteability('$name:No_$ns.$directive',checked)";
}
if ($value === null) $attr['checked'] = 'checked';
$ret .= $this->elementEmpty('input', $attr);
$ret .= $this->text(' or ');
$ret .= $this->elementEmpty('br');
$ret .= $this->obj->render($ns, $directive, $value, $name, array($gen_config, $config));
return $ret;
}
}
/**
* Swiss-army knife configuration form field printer
*/
class HTMLPurifier_Printer_ConfigForm_default extends HTMLPurifier_Printer {
public $cols = 18;
public $rows = 5;
public function render($ns, $directive, $value, $name, $config) {
if (is_array($config) && isset($config[0])) {
$gen_config = $config[0];
$config = $config[1];
} else {
$gen_config = $config;
}
$this->prepareGenerator($gen_config);
// this should probably be split up a little
$ret = '';
$def = $config->def->info["$ns.$directive"];
if (is_int($def)) {
$type = abs($def);
} else {
$type = $def->type;
}
if (is_array($value)) {
switch ($type) {
case HTMLPurifier_VarParser::LOOKUP:
$array = $value;
$value = array();
foreach ($array as $val => $b) {
$value[] = $val;
}
case HTMLPurifier_VarParser::ALIST:
$value = implode(PHP_EOL, $value);
break;
case HTMLPurifier_VarParser::HASH:
$nvalue = '';
foreach ($value as $i => $v) {
$nvalue .= "$i:$v" . PHP_EOL;
}
$value = $nvalue;
break;
default:
$value = '';
}
}
if ($type === HTMLPurifier_VarParser::MIXED) {
return 'Not supported';
$value = serialize($value);
}
$attr = array(
'name' => "$name"."[$ns.$directive]",
'id' => "$name:$ns.$directive"
);
if ($value === null) $attr['disabled'] = 'disabled';
if (isset($def->allowed)) {
$ret .= $this->start('select', $attr);
foreach ($def->allowed as $val => $b) {
$attr = array();
if ($value == $val) $attr['selected'] = 'selected';
$ret .= $this->element('option', $val, $attr);
}
$ret .= $this->end('select');
} elseif (
$type === HTMLPurifier_VarParser::TEXT ||
$type === HTMLPurifier_VarParser::ITEXT ||
$type === HTMLPurifier_VarParser::ALIST ||
$type === HTMLPurifier_VarParser::HASH ||
$type === HTMLPurifier_VarParser::LOOKUP
) {
$attr['cols'] = $this->cols;
$attr['rows'] = $this->rows;
$ret .= $this->start('textarea', $attr);
$ret .= $this->text($value);
$ret .= $this->end('textarea');
} else {
$attr['value'] = $value;
$attr['type'] = 'text';
$ret .= $this->elementEmpty('input', $attr);
}
return $ret;
}
}
/**
* Bool form field printer
*/
class HTMLPurifier_Printer_ConfigForm_bool extends HTMLPurifier_Printer {
public function render($ns, $directive, $value, $name, $config) {
if (is_array($config) && isset($config[0])) {
$gen_config = $config[0];
$config = $config[1];
} else {
$gen_config = $config;
}
$this->prepareGenerator($gen_config);
$ret = '';
$ret .= $this->start('div', array('id' => "$name:$ns.$directive"));
$ret .= $this->start('label', array('for' => "$name:Yes_$ns.$directive"));
$ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
$ret .= $this->text(' Yes');
$ret .= $this->end('label');
$attr = array(
'type' => 'radio',
'name' => "$name"."[$ns.$directive]",
'id' => "$name:Yes_$ns.$directive",
'value' => '1'
);
if ($value === true) $attr['checked'] = 'checked';
if ($value === null) $attr['disabled'] = 'disabled';
$ret .= $this->elementEmpty('input', $attr);
$ret .= $this->start('label', array('for' => "$name:No_$ns.$directive"));
$ret .= $this->element('span', "$ns.$directive:", array('class' => 'verbose'));
$ret .= $this->text(' No');
$ret .= $this->end('label');
$attr = array(
'type' => 'radio',
'name' => "$name"."[$ns.$directive]",
'id' => "$name:No_$ns.$directive",
'value' => '0'
);
if ($value === false) $attr['checked'] = 'checked';
if ($value === null) $attr['disabled'] = 'disabled';
$ret .= $this->elementEmpty('input', $attr);
$ret .= $this->end('div');
return $ret;
}
}
// vim: et sw=4 sts=4