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<?php
abstract class form_element {
protected $htmlname, $label;
public $status=true;
function __construct($htmlname, $label) {
$this->htmlname=htmlentities($htmlname);
$this->label=htmlentities($label);
}
public function output($rw=true, $val=false) {
echo "$this->label: ";
}
public function process() {
global $request;
return isset($request[$this->htmlname])?$request[$this->htmlname]:false;
}
public function verify($val) {
return $val !== false;
}
}
class text_input extends form_element {
public function output($rw=true, $val=false) {
parent::output($rw, $val);
echo $rw?"<input name=\"$this->htmlname\"".($val===false?'':'value="'.htmlentities($val).'"').' />':($val===false?'':htmlentities($val));
echo "<br/>\n";
}
}
class select extends form_element {
private $options;
function __construct($htmlname, $label, $options) {
parent::__construct($htmlname, $label);
$this->options=$options;
}
public function output($rw=true, $val=false) {
parent::output($rw, $val);
if ($rw) {
echo '<select name="'.$this->htmlname.'">'."\n";
$i=0;
}
foreach ($this->options as $value => $label) {
if ($rw)
echo "\t".'<option value="'.$i++.'"'.($value == $val?' selected="selected"':'').'>'.htmlentities($label).'</option>'."\n";
elseif ($value == $val)
echo htmlentities($label);
}
if ($rw)
echo '</select>';
echo "<br/>\n";
}
public function process() {
global $request;
$vals=array_keys($this->options);
if (isset($request[$this->htmlname]) && is_numeric($request[$this->htmlname]) && isset($vals[$request[$this->htmlname]])) {
return $vals[$request[$this->htmlname]];
} else return false;
}
public function verify($val) {
return isset($this->options[$val]);
}
}
class radio_array extends select {
public function output($rw=true, $val=false) {
if (!$rw) return parent::output($rw, $val);
echo "$this->label:<br/>\n";
$i=0;
foreach ($this->options as $value => $label) {
echo "\t<input type=\"radio\" id=\"$this->htmlname-$i\" name=\"$this->htmlname\" value=\"".$i."\"".($value == $val?' checked="checked"':'')."\" /><label for=\"$this->htmlname-$i\">".htmlentities($label)."</label><br/>\n";
$i++;
}
}
}
class checkbox_array extends form_element {
protected $array;
function __construct($htmlname, $label, $array, $delim=' ') {
parent::__construct($htmlname, $label);
$this->array=$array;
$this->delim=$delim;
}
public function output($rw=true, $val=false) {
$this->set_val($val);
if (strlen($this->label))
echo "<b>$this->label:</b><br/>\n";
$i=0;
foreach ($this->array as $value => $label) {
$label=htmlentities($label);
if ($rw)
echo "\t<input type=\"checkbox\" id=\"$this->htmlname-$i\" name=\"$this->htmlname[$i]\"".($this->val_has($value)?' checked="checked"':'')." /><label for=\"$this->htmlname-$i\">$label</label><br/>\n";
elseif ($this->val_has($value))
echo "$label<br/>\n";
$i++;
}
}
public function process() {
global $request;
$val=array();
if (isset($request[$this->htmlname])) {
$vals=array_keys($this->array);
foreach ($request[$this->htmlname] as $i => $null) {
$val[]=$vals[$i];
}
}
return implode($this->delim, $val);
}
public function verify($val) {
if ($val === false) return false;
if (strlen($val) == 0) return true;
$val=explode($this->delim, $val);
foreach ($val as $i => $value) {
if (isset($this->array[$value])) {
unset($val[$i]);
}
}
return count($val) == 0;
}
private $vals;
protected function set_val($val) {
$this->vals=explode($this->delim, $val);
}
protected function val_has($needle) {
return in_array($needle, $this->vals);
}
}
class layered_checkbox_array extends checkbox_array {
private $depth=0, $path_delims=array('', '/', '-');
function __construct($htmlname, $label, &$array, $delim=' ', $metadata) {
parent::__construct($htmlname, $label, &$array, $delim);
$this->metadata=$metadata;
for ($i=current(&$array); is_array($i); $i=current($i)) $this->depth++;
global $S;
if (!in_array('lca', $S['scripts'])) {
$S['scripts'][]='lca';
}
}
public function output($rw=true, $val=false) {
$this->set_val($val);
if ($this->label) {
echo '<h4>'.htmlentities($this->label).'</h4>';
}
if ($rw)
$this->r_output($this->array);
else
$this->r_ro_output($this->array);
}
public function process() {
return implode($this->delim, $this->r_process($this->array));
}
public function verify($val) {
if ($val === false) return false;
if (strlen($val) == 0) return true;
$val=explode($this->delim, $val);
$r=$this->r_verify($val, $this->array);
debug('lca', 'verify leftovers: '.implode(' ',$r));
return count($r) == 0;
}
private function r_output(&$array, $depth=0, $path=null, $name=null) {
static $uid=0, $ucid=0;
$conf=&$this->metadata[0];
if ($depth == 0) {
$search=$autosize=0;
for ($i=1; $i<count($this->metadata); $i++) {
$m=&$this->metadata[$i];
if (isset($m['tag'])) {
$autosize++;
}
if (isset($m['search'])) {
$search++;
}
}
if ($search) {
if (!isset($conf['id'])) {
$conf['id']=self::b36($uid++);
}
echo 'Search: <input id="'.$conf['id'].'-q" onkeyup="lca_search(this.value, document.getElementById(\''.$conf['id'].'\'), 0, '.$this->depth.')" /> <a href="javascript:q=document.getElementById(\''.$conf['id'].'-q\'); q.value=\'\'; q.onkeyup()">Clear</a> <a href="javascript:lca_show_checked(document.getElementById(\''.$conf['id'].'\'), 0, '.$this->depth.'); undefined">Show checked</a><br/>'."\n";
}
echo '<div class="lca'.(isset($conf['autosize'])?' autosize" style="font-size: '.pow(1.15, $autosize)*100.0.'%':'').'" id="'.$conf['id'].'">'."\n";
foreach ($array as $name => &$val) {
$this->r_output($val, $depth+1, $name, $name);
$uid++;
}
echo '<h3 style="display: none">No results</h3></div>';
echo "<script type=\"text/javascript\">\n<!--\nif (lca_show_checked(document.getElementById('{$conf['id']}'), 0, $this->depth) == 0) lca_search(document.getElementById('{$conf['id']}-q').value, document.getElementById('{$conf['id']}'), 0, $this->depth);\n-->\n</script>\n";
} else {
$meta=$this->metadata[$depth];
if (isset($meta['tag'])) {
echo '<'.$meta['tag'].' class="lcae'.(isset($meta['search'])?' lcas':'').(isset($meta['collapsed'])?' lca'.($meta['collapsed']?'c':'C'):'').(isset($meta['class'])?' '.$meta['class']:'').'" id="'.self::b36($uid).'"'.($depth > 1 && isset($this->metadata[$depth-1]['collapsed']) && $this->metadata[$depth-1]['collapsed'] && false?' style="display: none"':'').'>';
if (isset($meta['collapsed']) && $depth < $this->depth) {
echo '<a href="javascript:lcat(\''.self::b36($uid).'\')">±</a>';
}
}
if (isset($meta['checkbox'])) {
$enc=self::b36($ucid++);
echo '<input type="checkbox" id="-'.$enc.'" name="'.$this->htmlname.'['.$enc.']"'.($this->val_has($this->format_label($array, $meta['checkbox'], $path, $name))?' checked="checked"':'').' /><label for="-'.$enc.'">'.$this->format_label($array, $meta['label'], $path, $name).'</label>'."\n";
} elseif (isset($meta['label'])) {
echo '<span class="lcal">'.$this->format_label($array, $meta['label'], $path, $name)."</span>\n";
}
if ($depth < $this->depth) {
foreach ($array as $name => &$val) {
$uid++;
$this->r_output($val, $depth+1, $path.$meta['delim'].$name, $name);
}
}
if (isset($meta['tag'])) {
echo '</'.$meta['tag'].">\n";
}
}
}
private function r_process(&$array, $depth=0, $path=null, $name=null) {
static $ucid=0, $r;
if ($depth == 0) {
$r=array();
foreach ($array as $name => &$val) {
$this->r_process($val, $depth+1, $name, $name);
}
return $r;
} else {
$meta=$this->metadata[$depth];
if (isset($meta['checkbox'])) {
global $request;
if (isset($request[$this->htmlname][self::b36($ucid)])) {
$r[]=$this->format_label($array, $meta['checkbox'], $path, $name);
}
$ucid++;
}
if ($depth < $this->depth) {
foreach ($array as $name => &$val)
$this->r_process($val, $depth+1, $path.$meta['delim'].$name, $name);
}
}
}
private function &r_verify(&$vals, &$array, $depth=0, $path=null, $name=null) {
if ($depth == 0) {
foreach($array as $name => &$val) {
$this->r_verify($vals, $val, $depth+1, $name, $name);
}
return $vals;
} else {
$meta=$this->metadata[$depth];
if (isset($meta['checkbox'])) {
$label=$this->format_label($array, $meta['checkbox'], $path, $name);
if (($i=array_search($label, $vals)) !== false) {
unset($vals[$i]);
}
}
if ($depth < $this->depth) {
foreach ($array as $name => &$val)
$this->r_verify($vals, $val, $depth+1, $path.$meta['delim'].$name, $name);
}
return $vals;
}
}
private function r_ro_output(&$array, $depth=0, $path=null, $name=null) {
if ($depth == 0) {
foreach ($array as $name => &$val) {
$this->r_ro_output($val, $depth+1, $name, $name);
}
} else {
$meta=$this->metadata[$depth];
if (isset($meta['checkbox'])) {
$val=$this->format_label($array, $meta['checkbox'], $path, $name);
if ($this->val_has($val)) {
echo $this->format_label($array, $meta['label'], $path, $name)."<br/>\n";
}
}
if ($depth < $this->depth) {
foreach ($array as $name => &$val)
$this->r_ro_output($val, $depth+1, $path.$meta['delim'].$name, $name);
}
}
}
private function format_label(&$array, $label='%p', $path, $name) {
$arg=$array;
$out=str_replace(array('%p', '%n'), array($path, $name), $label);
if (strpos($label, '$')) {
while (is_array(current($arg))) {
$arg=current($arg);
}
$out=eval("extract(\$arg, EXTR_PREFIX_INVALID, 'var_');\n".(strpos($label, 'return')===0?$out:"return <<<_XQ1\n$out\n_XQ1").";\n");
}
return strpos($label, 'return')===0?$out:htmlentities($out);
}
private static function b36($n) {
return base_convert($n, 10, 36);
}
}
?>
|
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