<?php
namespace Jackbooted\Html;
use \Jackbooted\Config\Cfg;
/** Javascript.php - methods for generating Javascript related html
*
* @copyright Confidential and copyright (c) 2016 Jackbooted Software. All rights reserved.
*
* Written by Brett Dutton of Jackbooted Software
* brett at brettdutton dot com
*
* This software is written and distributed under the GNU General Public
* License which means that its source code is freely-distributed and
* available to the general public.
*
*/
class JS extends \Jackbooted\Util\JB {
const JQUERY = 'jquery.min.js';
const JQUERY_MOB = 'jquery.mobile.min.js';
const JQUERY_UI = 'jquery-ui.min.js';
const JQUERY_UI_DATETIME = 'jquery-ui-timepicker-addon.js';
const JQUERY_UI_CSS = 'jquery-ui.min.css';
const PHPLIVEX = 'phplivex.js';
const FACEBOX = 'facebox.js';
const JQUERY_TIPTIP = 'jquery.tipTip.minified.js';
const JQUERY_BUBBLEPOPUP = 'jquery.bubblepopup.min.js';
private static $JS_DEPEND = [ self::JQUERY_UI => [ self::JQUERY,
self::JQUERY_UI_CSS,
'jquery-ui.custom.css' ],
self::JQUERY_UI_DATETIME => [ self::JQUERY_UI,
'jquery-ui-timepicker-addon.css' ],
self::FACEBOX => [ 'facebox.css',
self::JQUERY ],
self::JQUERY_TIPTIP => [ 'tipTip.css',
self::JQUERY ],
self::JQUERY_BUBBLEPOPUP => [ 'jquery.bubblepopup.css',
self::JQUERY ],
self::JQUERY_MOB => [ 'jquery.mobile.min.css',
'jquery-1.8.2.min.js' ],
];
private static $LF = "\n";
/**
* Ensures that there are no frames for this window
* @return string the javascrip[t to ensure that there is no frame
*/
public static function noFrames() {
return self::javaScript ( 'if (parent.frames.length > 0) parent.location.href = self.document.location;' );
}
/**
* Sets the linefeed on or off. During development it is good to have it on.
* @param boolean $flag true means want line feeds
*/
public static function setLineFeed ( $flag ) {
self::$LF = ( $flag ) ? "\n" : '';
}
/** Adds the HTML Script tags to the provided javascript string and returns
* the resulting HTML
* @param $str The javascript string
* @returns var The resulting HTML
* @public
*/
static function javaScript ( $str ) {
return Tag::hTag ( 'script', [ 'type' => 'text/javascript', 'language' => 'JavaScript' ] ) . self::$LF .
$str . self::$LF .
Tag::_hTag ( 'script' ) . self::$LF;
}
/**
* Creates CSS for the passed string
* @param type $str the CSS data
* @return type The resulting HTML
*/
static function css ( $str ) {
return Tag::hTag ( 'style', [ 'type' => 'text/css' ] ) . self::$LF .
$str . self::$LF .
Tag::_hTag ( 'style' ) . self::$LF;
}
/**
* Returns a javascript library to load up, and ensures that it is only loaded once
* @param string $lib the library to load up
* @param boolean force If set to true, will ignore previous included libraries
* @return string html needed to include this javascript library
*/
private static $displayedLibraries = [];
static function library ( $lib, $force=false ) {
if ( ! $force && isset ( self::$displayedLibraries[$lib] ) ) return '';
self::$displayedLibraries[$lib] = true;
if ( ! preg_match ( '/^http(s)?:\/\/.*$/i', $lib ) ) {
$lib = Cfg::get ( 'js_url' ) . '/' . $lib;
}
if ( preg_match ( '/^.*\.js$/i', $lib ) ||
preg_match ( '/^.*\jsapi$/i', $lib ) ) {
return Tag::hTag ( 'script', [ 'type' => 'text/javascript', 'src' => $lib ] ) .
Tag::_hTag ( 'script' ) . self::$LF;
}
else if ( preg_match ( '/^.*\.css$/i', $lib ) ) {
$attribs = [ 'type' => 'text/css', 'href' => $lib, 'rel' => 'stylesheet' ];
if ( preg_match ( '/^.*\.print\.css$/i', $lib ) ) $attribs['media'] = 'print';
return Tag::hTag ( 'link', $attribs ) . Tag::_hTag ( 'link' ) . self::$LF;
}
else {
return '';
}
}
static function libraryWithDependancies ( $lib ) {
$html = '';
if ( isset ( self::$JS_DEPEND[$lib] ) ) {
foreach ( self::$JS_DEPEND[$lib] as $dLib ) {
$html .= self::libraryWithDependancies ( $dLib );
}
}
$html .= self::library ( $lib );
return $html;
}
/**
* Encodes the provided Javascript string into ASCII
* @param $str The javascript string
* @returns var The Encoded Javascript
* @public
*/
public static function javaScriptEncode ( $s ) {
$str = '';
$cnt = strlen ( $s );
for ( $i=0; $i<$cnt; $i++ ) {
if ( $i > 0 ) $str .= ",";
$str .= ord ( substr ( $s, $i, $i+1 ) );
}
return self::javascript ( 'document.write ( String.fromCharCode ( ' . $str . ' ) );' );
}
/**
* Creates and returns a Javascript block to display ( alert ) the
* provided Error msg
* @param $str The error message to display
* @returns var The resulting HTML
* @public
*/
public static function showError ( $str ) {
return self::javascript ( "alert ( '$str' )" );
}
/**
* Creates and returns a Javascript block to display ( alert ) the
* provided Error msg and return to the previous page
* @param $str The error message to display
* @returns var The resulting HTML
* @public
*/
public static function showErrorBack ( $str ) {
return self::javascript ( "alert ( '$str' ); window.history.back ( );" );
}
}
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