* if(!@is_object($GLOBALS['phpgw']->js)) * { * $GLOBALS['phpgw']->js = CreateObject('phpgwapi.javascript'); * } * * * This way a theme can see if this is a defined object and include the data, * while the is_object() wrapper prevents whiping out existing data held in * this instance variables, primarily the $files variable. * * Note: The package arguement is the subdirectory of js - all js should live in subdirectories * * @package phpgwapi * @subpackage sessions * @abstract * @author Dave Hall * @copyright © 2003 Free Software Foundation * @license GPL * @uses template */ class javascript { /** * @var array elements to be used for the on(Un)Load attributes of the body tag */ var $body; /** * @var array list of validated files to be included in the head section of a page */ var $files; /** * @var object used for holding an instance of the Template class */ var $t; /** * Constructor * * Initialize the instance variables */ function javascript() { //$this->t = CreateObject('phpgwapi.Template', ExecMethod('phpgwapi.phpgw.common.get_tpl_dir','phpgwapi')); //not currently used, but will be soon - I hope :) } /** * Returns the javascript required for displaying a popup message box * * @param string $msg the message to be displayed to user * @returns string the javascript to be used for displaying the message */ function get_alert($msg) { return 'return alert("'.lang($msg).'");'; } /** * Adds on(Un)Load= attributes to the body tag of a page * * @returns string the attributes to be used */ function get_body_attribs() { $js = ''; foreach(array('onLoad','onUnload','onResize') as $what) { if (!empty($this->body[$what])) { $js .= ' '.$what.'="' . str_replace(array('"','\\'),array('\\"','\\\\'),$this->body[$what]) . '"'; } } return $js; } /** * Returns the javascript required for displaying a confirmation message box * * @param string $msg the message to be displayed to user * @returns string the javascript to be used for displaying the message */ function get_confirm($msg) { return 'return confirm("'.lang($msg).'");'; } /** * Used for generating the list of external js files to be included in the head of a page * * NOTE: This method should only be called by the template class. * The validation is done when the file is added so we don't have to worry now * * @returns string the html needed for importing the js into a page */ function get_script_links() { $links = ''; if(!empty($this->files) && is_array($this->files)) { $links = "\n"; foreach($this->files as $app => $packages) { if(!empty($packages) && is_array($packages)) { foreach($packages as $pkg => $files) { if(!empty($files) && is_array($files)) { foreach($files as $file => $ignored) { $links .= '\n"; } } } } } } return $links; } /** * Sets an onLoad action for a page * * @param string javascript to be used */ function set_onload($code) { $this->body['onLoad'] .= $code; } /** * Sets an onUnload action for a page * * @param string javascript to be used */ function set_onunload($code) { $this->body['onUnload'] .= $code; } /** * Sets an onResize action for a page * * @param string javascript to be used */ function set_onresize($code) { $this->body['onResize'] .= $code; } /** * DO NOT USE - NOT SURE IF I AM GOING TO USE IT - ALSO IT NEEDS SOME CHANGES!!!! * Used for removing a file or package of files to be included in the head section of a page * * @param string $app application to use * @param string $package the name of the package to be removed * @param string $file the name of a file in the package to be removed - if ommitted package is removed */ function unset_script_link($app, $package, $file=False) { if($file !== False) { unset($this->files[$app][$package][$file]); } else { unset($this->files[$app][$package]); } } /** * Checks to make sure a valid package and file name is provided * * @param string $package package to be included * @param string $file file to be included - no ".js" on the end * @param string $app application directory to search - default = phpgwapi * @returns bool was the file found? */ function validate_file($package, $file, $app='phpgwapi') { if(is_readable(PHPGW_INCLUDE_ROOT .SEP .$app .SEP .'js' .SEP . $package .SEP. $file . '.js')) { $this->files[$app][$package][$file] = $file; return True; } elseif($app != 'phpgwapi') { if(is_readable(PHPGW_INCLUDE_ROOT .SEP .'phpgwapi' .SEP .'js' .SEP . $package .SEP . $file . '.js')) { $this->files['phpgwapi'][$package][$file] = $file; return True; } return False; } } } ?>