__widgets as $pos=>$w) {
$serialized[]=($w->serialize($pos));
}
return base64_encode(serialize($serialized));
}
public function create($id,$name,$callback,$append_callback=null,$desc='')
{
$this->__widgets[$id] = new dcWidget($id,$name,$callback,$desc);
$this->__widgets[$id]->append_callback = $append_callback;
}
public function append($widget)
{
if ($widget instanceof dcWidget) {
if (is_callable($widget->append_callback)) {
call_user_func($widget->append_callback,$widget);
}
$this->__widgets[] = $widget;
}
}
public function isEmpty()
{
return count($this->__widgets) == 0;
}
public function elements($sorted=false)
{
if ($sorted) {
uasort($this->__widgets,array('self','sort'));
}
return $this->__widgets;
}
public function __get($id)
{
if (!isset($this->__widgets[$id])) {
return null;
}
return $this->__widgets[$id];
}
public function __wakeup()
{
foreach ($this->__widgets as $i => $w)
{
if (!($w instanceof dcWidget)) {
unset($this->__widgets[$i]);
}
}
}
public static function loadArray($A,$widgets)
{
if (!($widgets instanceof self)) {
return false;
}
uasort($A,array('self','arraySort'));
$result = new self;
foreach ($A as $v)
{
if ($widgets->{$v['id']} != null)
{
$w = clone $widgets->{$v['id']};
# Settings
unset($v['id']);
unset($v['order']);
foreach ($v as $sid => $s) {
$w->{$sid} = $s;
}
$result->append($w);
}
}
return $result;
}
private static function arraySort($a, $b)
{
if ($a['order'] == $b['order']) {
return 0;
}
return $a['order'] > $b['order'] ? 1 : -1;
}
private static function sort($a,$b)
{
$c = $a->name();
$d = $b->name();
if ($c == $d) {
return 0;
}
return ($c < $d) ? -1 : 1;
}
}
class dcWidget
{
private $id;
private $name;
private $desc;
private $public_callback = null;
public $append_callback = null;
private $settings = array();
public function serialize($order) {
$values = array();
foreach ($this->settings as $k=>$v)
$values[$k]=$v['value'];
$values['id']=$this->id;
$values['order']=$order;
return $values;
}
public function __construct($id,$name,$callback,$desc='')
{
$this->public_callback = $callback;
$this->id = $id;
$this->name = $name;
$this->desc = $desc;
}
public function id()
{
return $this->id;
}
public function name()
{
return $this->name;
}
public function desc()
{
return $this->desc;
}
public function getCallback()
{
return $this->public_callback;
}
public function call($i=0)
{
if (is_callable($this->public_callback)) {
return call_user_func($this->public_callback,$this,$i);
}
return 'Callback not found for widget '.$this->id.'
';
}
/* Widget settings
--------------------------------------------------- */
public function __get($n)
{
if (isset($this->settings[$n])) {
return $this->settings[$n]['value'];
}
return null;
}
public function __set($n,$v)
{
if (isset($this->settings[$n])) {
$this->settings[$n]['value'] = $v;
}
}
public function setting($name,$title,$value,$type='text')
{
if ($type == 'combo') {
$options = @func_get_arg(4);
if (!is_array($options)) {
return false;
}
}
$this->settings[$name] = array(
'title' => $title,
'type' => $type,
'value' => $value
);
if (isset($options)) {
$this->settings[$name]['options'] = $options;
}
}
public function settings()
{
return $this->settings;
}
public function formSettings($pr='',&$i=0)
{
$res = '';
foreach ($this->settings as $id => $s)
{
$wfid = "wf-".$i;
$iname = $pr ? $pr.'['.$id.']' : $id;
switch ($s['type'])
{
case 'text':
$res .=
' '.
form::field(array($iname,$wfid),20,255,html::escapeHTML($s['value']),'maximal').
'
';
break;
case 'textarea':
$res .=
' '.
form::textarea(array($iname,$wfid),30,5,html::escapeHTML($s['value']),'maximal').
'
';
break;
case 'check':
$res .=
''.form::hidden(array($iname),'0').
'
';
break;
case 'combo':
$res .=
' '.
form::combo(array($iname,$wfid),$s['options'],$s['value']).
'
';
break;
}
$i++;
}
return $res;
}
}
?>