diff --git a/javascript/prototype_improvements.js b/javascript/prototype_improvements.js new file mode 100755 index 000000000..37d08fe00 --- /dev/null +++ b/javascript/prototype_improvements.js @@ -0,0 +1,276 @@ +/** + * Additions and improvements to Prototype-code. + * Some if this is legacy code which is now present in Prototype as well, + * but has to be kept for older scripts. + * + * @author Silverstripe Ltd., http://www.silverstripe.com + */ + +// Shortcut-function (until we update to Prototye v1.5) +if(typeof $$ != "Function") { + $$ = document.getElementsBySelector; +} + +var SS_DEFAULT_ISO = "en_GB"; + +Object.extend(Element, { + setStyle: function(element, styles, camelized) { + element = $(element); + var elementStyle = element.style; + + for (var property in styles) + if (property == 'opacity') element.setOpacity(styles[property]) + else + elementStyle[(property == 'float' || property == 'cssFloat') ? + (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') : + (camelized ? property : property.camelize())] = styles[property]; + + return element; + } +}); + +// This code is in the public domain. Feel free to link back to http://jan.moesen.nu/ +function sprintf() +{ + if (!arguments || arguments.length < 1 || !RegExp) + { + return; + } + var str = arguments[0]; + var re = /([^%]*)%('.|0|\x20)?(-)?(\d+)?(\.\d+)?(%|b|c|d|u|f|o|s|x|X)(.*)/; + var a = b = [], numSubstitutions = 0, numMatches = 0; + while (a = re.exec(str)) + { + var leftpart = a[1], pPad = a[2], pJustify = a[3], pMinLength = a[4]; + var pPrecision = a[5], pType = a[6], rightPart = a[7]; + + //alert(a + '\n' + [a[0], leftpart, pPad, pJustify, pMinLength, pPrecision); + + numMatches++; + if (pType == '%') + { + subst = '%'; + } + else + { + numSubstitutions++; + if (numSubstitutions >= arguments.length) + { + //alert('Error! Not enough function arguments (' + (arguments.length - 1) + ', excluding the string)\nfor the number of substitution parameters in string (' + numSubstitutions + ' so far).'); + } + var param = arguments[numSubstitutions]; + var pad = ''; + if (pPad && pPad.substr(0,1) == "'") pad = leftpart.substr(1,1); + else if (pPad) pad = pPad; + var justifyRight = true; + if (pJustify && pJustify === "-") justifyRight = false; + var minLength = -1; + if (pMinLength) minLength = parseInt(pMinLength); + var precision = -1; + if (pPrecision && pType == 'f') precision = parseInt(pPrecision.substring(1)); + var subst = param; + if (pType == 'b') subst = parseInt(param).toString(2); + else if (pType == 'c') subst = String.fromCharCode(parseInt(param)); + else if (pType == 'd') subst = parseInt(param) ? parseInt(param) : 0; + else if (pType == 'u') subst = Math.abs(param); + else if (pType == 'f') subst = (precision > -1) ? Math.round(parseFloat(param) * Math.pow(10, precision)) / Math.pow(10, precision): parseFloat(param); + else if (pType == 'o') subst = parseInt(param).toString(8); + else if (pType == 's') subst = param; + else if (pType == 'x') subst = ('' + parseInt(param).toString(16)).toLowerCase(); + else if (pType == 'X') subst = ('' + parseInt(param).toString(16)).toUpperCase(); + } + str = leftpart + subst + rightPart; + } + return str; +} + +/** + * Use Firebug-like debugging in non-Firefox-browsers + * @see http://wish.hu/firebug-on-explorer + */ +if (!window.console) { + window.console = { + timers: {}, + openwin: function() { + window.top.debugWindow = + window.open("", + "Debug", + "left=0,top=0,width=300,height=700,scrollbars=yes," + +"status=yes,resizable=yes"); + window.top.debugWindow.opener = self; + window.top.debugWindow.document.open(); + window.top.debugWindow.document.write('
'); + }, + + /** + * Caution: Excludes functions in listing + */ + log: function() { + if(Debug.isLive()) return; + + if(!window.top.debugWindow) { + console.openwin(); + } + + var i = 0; content = ""; + if(arguments.length == 1 && typeof arguments[0] != "object") { + content = arguments[0]; + } else if(arguments.length > 1 && typeof arguments[0] == "string"){ + content = sprintf(arguments[0], Array.prototype.slice.call(arguments, 1)); + } + + if(window.top.debugWindow.document) { + window.top.debugWindow.document.write(content+"\n"); + } + }, + + debug: this.log, + + time: function(title) { + window.console.timers[title] = new Date().getTime(); + }, + + timeEnd: function(title) { + var time = new Date().getTime() - window.console.timers[title]; + console.log(['', title, ': ', time, 'ms'].join('')); + } + + } +} + +Number.prototype.CURRENCIES = { + en_GB: '$ ###,###.##' +}; + +/** + * Caution: Not finished! + * @param iso string (Not used) Please use in combination with Number.CURRENCIES to achieve i18n + * @return string + * + * @see http://www.jibbering.com/faq/faq_notes/type_convert.html + * @see http://www.rgagnon.com/jsdetails/js-0063.html + * @see http://www.mredkj.com/javascript/nfdocs.html + */ +Number.prototype.toCurrency = function(iso) { + if(!iso) iso = SS_DEFAULT_ISO; + // TODO stub, please implement properly + return "$" + this.toFixed(2); +} + +/** + * Get first letter as uppercase + */ +String.prototype.ucfirst = function () { + var firstLetter = this.substr(0,1).toUpperCase() + return this.substr(0,1).toUpperCase() + this.substr(1,this.length); +} + +/** + * Show debug-information in the javascript-console or a popup. + * Only shows output on dev- or test-environments. + * Caution: Behaves like a static class (no prototype methods) + */ +Debug = Class.create(); +Debug = { + + environment_type: "live", + + initialize: function() { + if(window.location.href.match(/\?(.*)debug_javascript/)) { + this.environment_type = "dev"; + } + if(window.location.href.match(/\?(.*)debug_behaviour/)) { + Behaviour.debug(); + } + }, + + /** + * @param type string "live", "test" or "dev" + */ + set_environment_type: function(type) { + this.environment_type = type; + }, + + isDev: function() { + return (window.location.href.match(/test\.|dev\./) || this.environment_type == "dev" || this.environment_type == "test"); + }, + + isTest: function() { + return (window.location.href.match(/test\./) || this.environment_type == "test"); + }, + + isLive: function() { + return !Debug.isDev(); + }, + + show: function() { + if(this.isDev() || this.isTest()) { + console.debug.apply(console, arguments); + } + }, + + debug: this.debug, + + log: function() { + if(this.isDev() || this.isTest()) { + console.log.apply(console, arguments); + } + } +} +Debug.initialize(); + +// Flash plugin version detection from SWFObject +// http://blog.deconcept.com/swfobject/ +getFlashPlayerVersion = function(){ + var pv = new PlayerVersion([0,0,0]); + if(navigator.plugins && navigator.mimeTypes.length){ + var x = navigator.plugins["Shockwave Flash"]; + if(x && x.description) { + pv = new PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/, "").replace(/(\s+r|\s+b[0-9]+)/, ".").split(".")); + } + }else if (navigator.userAgent && navigator.userAgent.indexOf("Windows CE") >= 0){ // if Windows CE + var axo = 1; + var counter = 3; + while(axo) { + try { + counter++; + axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+ counter); +// document.write("player v: "+ counter); + pv = new PlayerVersion([counter,0,0]); + } catch (e) { + axo = null; + } + } + } else { // Win IE (non mobile) + // do minor version lookup in IE, but avoid fp6 crashing issues + // see http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/ + try{ + var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7"); + }catch(e){ + try { + var axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6"); + pv = new PlayerVersion([6,0,21]); + axo.AllowScriptAccess = "always"; // error if player version < 6.0.47 (thanks to Michael Williams @ Adobe for this code) + } catch(e) { + if (pv.major == 6) { + return pv; + } + } + try { + axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash"); + } catch(e) {} + } + if (axo != null) { + pv = new PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(",")); + } + } + return pv; +} + +PlayerVersion = function(arrVersion) { + this.major = arrVersion[0] != null ? parseInt(arrVersion[0]) : 0; + this.minor = arrVersion[1] != null ? parseInt(arrVersion[1]) : 0; + this.rev = arrVersion[2] != null ? parseInt(arrVersion[2]) : 0; +} + +