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<?php
/*
Copyright (c) 2001 - 2007 Ampache.org
All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License v2
as published by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/**
* Ajax class
* This class is specifically for setuping/printing out ajax related
* elements onto a page it takes care of the observing and all that raz-a-ma-taz
*/
class Ajax {
/**
* constructor
* This is what is called when the class is loaded
*/
public function __construct() {
// Rien a faire
} // constructor
/**
* observe
* This returns a string with the correct and full ajax 'observe' stuff from prototype
*/
public static function observe($source,$method,$action) {
$non_quoted = array('document','window');
if (in_array($source,$non_quoted)) {
$source_txt = $source;
}
else {
$source_txt = "'$source'";
}
$observe = "\n <script type=\"text/javascript\"><!--\n";
$observe .= "\tEvent.observe($source_txt,'$method',function(){" . $action . ";});\n";
$observe .= "--></script>\n";
return $observe;
} // observe
/**
* action
* This takes the action, the source and the post (if passed) and generated the full
* ajax link
*/
public static function action($action,$source,$post='') {
$url = Config::get('ajax_url') . $action;
$non_quoted = array('document','window');
if (in_array($source,$non_quoted)) {
$source_txt = $source;
}
else {
$source_txt = "'$source'";
}
if ($post) {
$ajax_string = "ajaxPost('$url','$post',$source_txt)";
}
else {
$ajax_string = "ajaxPut('$url',$source_txt)";
}
return $ajax_string;
} // action
/**
* button
* This prints out an img of the specified icon with the specified alt text
* and then sets up the required ajax for it
*/
public static function button($action,$icon,$alt,$source='',$post='') {
// Get the correct action
$ajax_string = self::action($action,$source,$post);
$string = get_user_icon($icon,$alt,$source);
$string .= self::observe($source,'click',$ajax_string);
return $string;
} // button
/**
* text
* This prints out the specified text as a link and setups the required
* ajax for the link so it works correctly
*/
public static function text($action,$text,$source,$post='',$span_class='') {
// Format the string we wanna use
$ajax_string = self::action($action,$source,$post);
// If they passed a span class
if ($span_class) {
$class_txt = ' class="' . $span_class . '"';
}
// If we pass a source put it in the ID
$string = "<span id=\"$source\" $class_txt>$text</span>\n";
$string .= self::observe($source,'click',$ajax_string);
return $string;
} // text
/**
* run
* This runs the specified action no questions asked
*/
public static function run($action) {
echo "<script type=\"text/javascript\"><!--\n";
echo "$action";
echo "\n--></script>";
} // run
} // end Ajax class
?>
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