* @package HTML_Progress
*/
require_once ('HTML/Progress.php');
require_once ('HTML/Progress/observer.php');
// 1. Defines ProgressBar observer
class Bar1Observer extends HTML_Progress_Observer
{
function Bar1Observer()
{
$this->HTML_Progress_Observer();
}
function notify($event)
{
global $bar2;
if (is_array($event)) {
$log = isset($event['log']) ? $event['log'] : "undefined event id.";
$val = isset($event['value']) ? $event['value'] : "unknown value";
switch (strtolower($log)) {
case 'incvalue':
// if you want to do special on each step of progress bar1; it's here !!!
break;
case 'setvalue':
if ($val == 0) {
// updates $bar2 because $bar1 has completed a full loop
$bar2->incValue();
$bar2->display();
}
default:
}
}
}
}
// 2. Creates ProgressBar
$bar1 = new HTML_Progress(HTML_PROGRESS_BAR_VERTICAL);
$bar1->setIncrement(10);
$bar1->setIdent('PB1');
$bar2 = new HTML_Progress(HTML_PROGRESS_BAR_VERTICAL);
$bar2->setIncrement(25);
$bar2->setIdent('PB2');
$bar2->setBorderPainted(true);
// 3. Creates and attach a listener
$observer = new Bar1Observer();
$ok = $bar1->addListener($observer);
if (!$ok) {
die ("Cannot add a valid listener to progress bar !");
}
// 4. Changes look-and-feel of ProgressBar
$ui1 =& $bar1->getUI();
$ui1->setComment('Complex Observer ProgressBar example');
$ui1->setTabOffset(1);
$ui1->setProgressAttributes(array(
'background-color' => '#e0e0e0'
));
$ui1->setStringAttributes(array(
'valign' => 'left',
'color' => 'red',
'background-color' => 'lightblue'
));
$ui2 =& $bar2->getUI();
$ui2->setTabOffset(1);
$ui2->setBorderAttributes(array(
'width' => 1,
'style' => 'solid',
'color' => 'navy'
));
$ui2->setCellAttributes(array(
'active-color' => '#3874B4',
'inactive-color' => '#EEEECC'
));
$ui2->setStringAttributes(array(
'width' => '100',
'align' => 'center',
'valign' => 'right',
'color' => 'yellow',
'background-color' => 'lightblue'
));
?>
Complex Observer ProgressBar example
|
toHTML(); ?>
|
toHTML(); ?>
|
display();
if ($bar1->getPercentComplete() == 1) {
$bar1->setValue(0); // the 1st progress bar has reached 100%, do a new loop
} else {
$bar1->incValue(); // updates 1st progress bar
}
} while($bar2->getPercentComplete() < 1);
?>
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