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jquery.steps.min.js

jquery.steps.min.js 22 KB
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  1. /*! 
    2. 

  2.  * jQuery Steps v1.1.0 - 09/04/2014
    3. 

  3.  * Copyright (c) 2014 Rafael Staib (http://www.jquery-steps.com)
    4. 

  4.  * Licensed under MIT http://www.opensource.org/licenses/MIT
    5. 

  5.  */
    6. 

  6. (function($,undefined){$.fn.extend({_aria:function(name,value){return this.attr("aria-"+name,value)},_removeAria:function(name){return this.removeAttr("aria-"+name)},_enableAria:function(enable){return(enable==null||enable)?this.removeClass("disabled")._aria("disabled","false"):this.addClass("disabled")._aria("disabled","true")},_showAria:function(show){return(show==null||show)?this.show()._aria("hidden","false"):this.hide()._aria("hidden","true")},_selectAria:function(select){return(select==null||select)?this.addClass("current")._aria("selected","true"):this.removeClass("current")._aria("selected","false")},_id:function(id){return(id)?this.attr("id",id):this.attr("id")}});if(!String.prototype.format){String.prototype.format=function(){var args=(arguments.length===1&&$.isArray(arguments[0]))?arguments[0]:arguments;var formattedString=this;for(var i=0;i<args.length;i++){var pattern=new RegExp("\\{"+i+"\\}","gm");formattedString=formattedString.replace(pattern,args[i])}return formattedString}}var _uniqueId=0;var _cookiePrefix="jQu3ry_5teps_St@te_";var _tabSuffix="-t-";var _tabpanelSuffix="-p-";var _titleSuffix="-h-";var _indexOutOfRangeErrorMessage="Index out of range.";var _missingCorrespondingElementErrorMessage="One or more corresponding step {0} are missing.";function addStepToCache(wizard,step){getSteps(wizard).push(step)}function analyzeData(wizard,options,state){var stepTitles=wizard.children(options.headerTag),stepContents=wizard.children(options.bodyTag);if(stepTitles.length>stepContents.length){throwError(_missingCorrespondingElementErrorMessage,"contents")}else{if(stepTitles.length<stepContents.length){throwError(_missingCorrespondingElementErrorMessage,"titles")}}var startIndex=options.startIndex;state.stepCount=stepTitles.length;if(options.saveState&&$.cookie){var savedState=$.cookie(_cookiePrefix+getUniqueId(wizard));var savedIndex=parseInt(savedState,0);if(!isNaN(savedIndex)&&savedIndex<state.stepCount){startIndex=savedIndex}}state.currentIndex=startIndex;stepTitles.each(function(index){var item=$(this),content=stepContents.eq(index),modeData=content.data("mode"),mode=(modeData==null)?contentMode.html:getValidEnumValue(contentMode,(/^\s*$/.test(modeData)||isNaN(modeData))?modeData:parseInt(modeData,0)),contentUrl=(mode===contentMode.html||content.data("url")===undefined)?"":content.data("url"),contentLoaded=(mode!==contentMode.html&&content.data("loaded")==="1"),step=$.extend({},stepModel,{title:item.html(),content:(mode===contentMode.html)?content.html():"",contentUrl:contentUrl,contentMode:mode,contentLoaded:contentLoaded});addStepToCache(wizard,step)})}function cancel(wizard){wizard.triggerHandler("canceled")}function decreaseCurrentIndexBy(state,decreaseBy){return state.currentIndex-decreaseBy}function destroy(wizard,options){var eventNamespace=getEventNamespace(wizard);wizard.unbind(eventNamespace).removeData("uid").removeData("options").removeData("state").removeData("steps").removeData("eventNamespace").find(".actions a").unbind(eventNamespace);wizard.removeClass(options.clearFixCssClass+" vertical");var contents=wizard.find(".content > *");contents.removeData("loaded").removeData("mode").removeData("url");contents.removeAttr("id").removeAttr("role").removeAttr("tabindex").removeAttr("class").removeAttr("style")._removeAria("labelledby")._removeAria("hidden");wizard.find(".content > [data-mode='async'],.content > [data-mode='iframe']").empty();var wizardSubstitute=$('<{0} class="{1}"></{0}>'.format(wizard.get(0).tagName,wizard.attr("class")));var wizardId=wizard._id();if(wizardId!=null&&wizardId!==""){wizardSubstitute._id(wizardId)}wizardSubstitute.html(wizard.find(".content").html());wizard.after(wizardSubstitute);wizard.remove();return wizardSubstitute}function finishStep(wizard,state){var currentStep=wizard.find(".steps li").eq(state.currentIndex);if(wizard.triggerHandler("finishing",[state.currentIndex])){currentStep.addClass("done").removeClass("error");wizard.triggerHandler("finished",[state.currentIndex])}else{currentStep.addClass("error")}}function getEventNamespace(wizard){var eventNamespace=wizard.data("eventNamespace");if(eventNamespace==null){eventNamespace="."+getUniqueId(wizard);wizard.data("eventNamespace",eventNamespace)}return eventNamespace}function getStepAnchor(wizard,index){var uniqueId=getUniqueId(wizard);return wizard.find("#"+uniqueId+_tabSuffix+index)}function getStepPanel(wizard,index){var uniqueId=getUniqueId(wizard);return wizard.find("#"+uniqueId+_tabpanelSuffix+index)}function getStepTitle(wizard,index){var uniqueId=getUniqueId(wizard);return wizard.find("#"+uniqueId+_titleSuffix+index)}function getOptions(wizard){return wizard.data("options")}function getState(wizard){return wizard.data("state")}function getSteps(wizard){return wizard.data("steps")}function getStep(wizard,index){var steps=getSteps(wizard);if(index<0||index>=steps.length){throwError(_indexOutOfRangeErrorMessage)}return steps[index]}function getUniqueId(wizard){var uniqueId=wizard.data("uid");if(uniqueId==null){uniqueId=wizard._id();if(uniqueId==null){uniqueId="steps-uid-".concat(_uniqueId);wizard._id(uniqueId)}_uniqueId++;wizard.data("uid",uniqueId)}return uniqueId}function getValidEnumValue(enumType,keyOrValue){validateArgument("enumType",enumType);validateArgument("keyOrValue",keyOrValue);if(typeof keyOrValue==="string"){var value=enumType[keyOrValue];if(value===undefined){throwError("The enum key '{0}' does not exist.",keyOrValue)}return value}else{if(typeof keyOrValue==="number"){for(var key in enumType){if(enumType[key]===keyOrValue){return keyOrValue}}throwError("Invalid enum value '{0}'.",keyOrValue)}else{throwError("Invalid key or value type.")}}}function goToNextStep(wizard,options,state){return paginationClick(wizard,options,state,increaseCurrentIndexBy(state,1))}function goToPreviousStep(wizard,options,state){return paginationClick(wizard,options,state,decreaseCurrentIndexBy(state,1))}function goToStep(wizard,options,state,index){if(index<0||index>=state.stepCount){throwError(_indexOutOfRangeErrorMessage)}if(options.forceMoveForward&&index<state.currentIndex){return}var oldIndex=state.currentIndex;if(wizard.triggerHandler("stepChanging",[state.currentIndex,index])){state.currentIndex=index;saveCurrentStateToCookie(wizard,options,state);refreshStepNavigation(wizard,options,state,oldIndex);refreshPagination(wizard,options,state);loadAsyncContent(wizard,options,state);startTransitionEffect(wizard,options,state,index,oldIndex,function(){wizard.triggerHandler("stepChanged",[index,oldIndex])})}else{wizard.find(".steps li").eq(oldIndex).addClass("error")}return true}function increaseCurrentIndexBy(state,increaseBy){return state.currentIndex+increaseBy}function initialize(options){var opts=$.extend(true,{},defaults,options);return this.each(function(){var wizard=$(this);var state={currentIndex:opts.startIndex,currentStep:null,stepCount:0,transitionElement:null};wizard.data("options",opts);wizard.data("state",state);wizard.data("steps",[]);analyzeData(wizard,opts,state);render(wizard,opts,state);registerEvents(wizard,opts);if(opts.autoFocus&&_uniqueId===0){getStepAnchor(wizard,opts.startIndex).focus()}wizard.triggerHandler("init",[opts.startIndex])})}function insertStep(wizard,options,state,index,step){if(index<0||index>state.stepCount){throwError(_indexOutOfRangeErrorMessage)}step=$.extend({},stepModel,step);insertStepToCache(wizard,index,step);if(state.currentIndex!==state.stepCount&&state.currentIndex>=index){state.currentIndex++;saveCurrentStateToCookie(wizard,options,state)}state.stepCount++;var contentContainer=wizard.find(".content"),header=$("<{0}>{1}</{0}>".format(options.headerTag,step.title)),body=$("<{0}></{0}>".format(options.bodyTag));if(step.contentMode==null||step.contentMode===contentMode.html){body.html(step.content)}if(index===0){contentContainer.prepend(body).prepend(header)}else{getStepPanel(wizard,(index-1)).after(body).after(header)}renderBody(wizard,state,body,index);renderTitle(wizard,options,state,header,index);refreshSteps(wizard,options,state,index);if(index===state.currentIndex){refreshStepNavigation(wizard,options,state)}refreshPagination(wizard,options,state);return wizard}function insertStepToCache(wizard,index,step){getSteps(wizard).splice(index,0,step)}function keyUpHandler(event){var wizard=$(this),options=getOptions(wizard),state=getState(wizard);if(options.suppressPaginationOnFocus&&wizard.find(":focus").is(":input")){event.preventDefault();return false}var keyCodes={left:37,right:39};if(event.keyCode===keyCodes.left){event.preventDefault();goToPreviousStep(wizard,options,state)}else{if(event.keyCode===keyCodes.right){event.preventDefault();goToNextStep(wizard,options,state)}}}function loadAsyncContent(wizard,options,state){if(state.stepCount>0){var currentIndex=state.currentIndex,currentStep=getStep(wizard,currentIndex);if(!options.enableContentCache||!currentStep.contentLoaded){switch(getValidEnumValue(contentMode,currentStep.contentMode)){case contentMode.iframe:wizard.find(".content > .body").eq(state.currentIndex).empty().html('<iframe src="'+currentStep.contentUrl+'" frameborder="0" scrolling="no" />').data("loaded","1");break;case contentMode.async:var currentStepContent=getStepPanel(wizard,currentIndex)._aria("busy","true").empty().append(renderTemplate(options.loadingTemplate,{text:options.labels.loading}));$.ajax({url:currentStep.contentUrl,cache:false}).done(function(data){currentStepContent.empty().html(data)._aria("busy","false").data("loaded","1");wizard.triggerHandler("contentLoaded",[currentIndex])});break}}}}function paginationClick(wizard,options,state,index){var oldIndex=state.currentIndex;if(index>=0&&index<state.stepCount&&!(options.forceMoveForward&&index<state.currentIndex)){var anchor=getStepAnchor(wizard,index),parent=anchor.parent(),isDisabled=parent.hasClass("disabled");parent._enableAria();anchor.click();if(oldIndex===state.currentIndex&&isDisabled){parent._enableAria(false);return false}return true}return false}function paginationClickHandler(event){event.preventDefault();var anchor=$(this),wizard=anchor.parent().parent().parent().parent(),options=getOptions(wizard),state=getState(wizard),href=anchor.attr("href");switch(href.substring(href.lastIndexOf("#")+1)){case"cancel":cancel(wizard);break;case"finish":finishStep(wizard,state);break;case"next":goToNextStep(wizard,options,state);break;case"previous":goToPreviousStep(wizard,options,state);break}}function refreshPagination(wizard,options,state){if(options.enablePagination){var finish=wizard.find(".actions a[href$='#finish']").parent(),next=wizard.find(".actions a[href$='#next']").parent();if(!options.forceMoveForward){var previous=wizard.find(".actions a[href$='#previous']").parent();previous._enableAria(state.currentIndex>0)}if(options.enableFinishButton&&options.showFinishButtonAlways){finish._enableAria(state.stepCount>0);next._enableAria(state.stepCount>1&&state.stepCount>(state.currentIndex+1))}else{finish._showAria(options.enableFinishButton&&state.stepCount===(state.currentIndex+1));next._showAria(state.stepCount===0||state.stepCount>(state.currentIndex+1))._enableAria(state.stepCount>(state.currentIndex+1)||!options.enableFinishButton)}}}function refreshStepNavigation(wizard,options,state,oldIndex){var currentOrNewStepAnchor=getStepAnchor(wizard,state.currentIndex),currentInfo=$('<span class="current-info audible">'+options.labels.current+" </span>"),stepTitles=wizard.find(".content > .title");if(oldIndex!=null){var oldStepAnchor=getStepAnchor(wizard,oldIndex);oldStepAnchor.parent().addClass("done").removeClass("error")._selectAria(false);stepTitles.eq(oldIndex).removeClass("current").next(".body").removeClass("current");currentInfo=oldStepAnchor.find(".current-info");currentOrNewStepAnchor.focus()}currentOrNewStepAnchor.prepend(currentInfo).parent()._selectAria().removeClass("done")._enableAria();stepTitles.eq(state.currentIndex).addClass("current").next(".body").addClass("current")}function refreshSteps(wizard,options,state,index){var uniqueId=getUniqueId(wizard);for(var i=index;i<state.stepCount;i++){var uniqueStepId=uniqueId+_tabSuffix+i,uniqueBodyId=uniqueId+_tabpanelSuffix+i,uniqueHeaderId=uniqueId+_titleSuffix+i,title=wizard.find(".title").eq(i)._id(uniqueHeaderId);wizard.find(".steps a").eq(i)._id(uniqueStepId)._aria("controls",uniqueBodyId).attr("href","#"+uniqueHeaderId).html(renderTemplate(options.titleTemplate,{index:i+1,title:title.html()}));wizard.find(".body").eq(i)._id(uniqueBodyId)._aria("labelledby",uniqueHeaderId)}}function registerEvents(wizard,options){var eventNamespace=getEventNamespace(wizard);wizard.bind("canceled"+eventNamespace,options.onCanceled);wizard.bind("contentLoaded"+eventNamespace,options.onContentLoaded);wizard.bind("finishing"+eventNamespace,options.onFinishing);wizard.bind("finished"+eventNamespace,options.onFinished);wizard.bind("init"+eventNamespace,options.onInit);wizard.bind("stepChanging"+eventNamespace,options.onStepChanging);wizard.bind("stepChanged"+eventNamespace,options.onStepChanged);if(options.enableKeyNavigation){wizard.bind("keyup"+eventNamespace,keyUpHandler)}wizard.find(".actions a").bind("click"+eventNamespace,paginationClickHandler)}function removeStep(wizard,options,state,index){if(index<0||index>=state.stepCount||state.currentIndex===index){return false}removeStepFromCache(wizard,index);if(state.currentIndex>index){state.currentIndex--;saveCurrentStateToCookie(wizard,options,state)}state.stepCount--;getStepTitle(wizard,index).remove();getStepPanel(wizard,index).remove();getStepAnchor(wizard,index).parent().remove();if(index===0){wizard.find(".steps li").first().addClass("first")}if(index===state.stepCount){wizard.find(".steps li").eq(index).addClass("last")}refreshSteps(wizard,options,state,index);refreshPagination(wizard,options,state);return true}function removeStepFromCache(wizard,index){getSteps(wizard).splice(index,1)}function render(wizard,options,state){var wrapperTemplate='<{0} class="{1}">{2}</{0}>',orientation=getValidEnumValue(stepsOrientation,options.stepsOrientation),verticalCssClass=(orientation===stepsOrientation.vertical)?" vertical":"",contentWrapper=$(wrapperTemplate.format(options.contentContainerTag,"content "+options.clearFixCssClass,wizard.html())),stepsWrapper=$(wrapperTemplate.format(options.stepsContainerTag,"steps "+options.clearFixCssClass,'<ul role="tablist"></ul>')),stepTitles=contentWrapper.children(options.headerTag),stepContents=contentWrapper.children(options.bodyTag);wizard.attr("role","application").empty().append(stepsWrapper).append(contentWrapper).addClass(options.cssClass+" "+options.clearFixCssClass+verticalCssClass);stepContents.each(function(index){renderBody(wizard,state,$(this),index)});stepTitles.each(function(index){renderTitle(wizard,options,state,$(this),index)});refreshStepNavigation(wizard,options,state);renderPagination(wizard,options,state)}function renderBody(wizard,state,body,index){var uniqueId=getUniqueId(wizard),uniqueBodyId=uniqueId+_tabpanelSuffix+index,uniqueHeaderId=uniqueId+_titleSuffix+index;body._id(uniqueBodyId).attr("role","tabpanel")._aria("labelledby",uniqueHeaderId).addClass("body")._showAria(state.currentIndex===index)}function renderPagination(wizard,options,state){if(options.enablePagination){var pagination='<{0} class="actions {1}"><ul role="menu" aria-label="{2}">{3}</ul></{0}>',buttonTemplate='<li><a href="#{0}" role="menuitem">{1}</a></li>',buttons="";if(!options.forceMoveForward){buttons+=buttonTemplate.format("previous",options.labels.previous)}buttons+=buttonTemplate.format("next",options.labels.next);if(options.enableFinishButton){buttons+=buttonTemplate.format("finish",options.labels.finish)}if(options.enableCancelButton){buttons+=buttonTemplate.format("cancel",options.labels.cancel)}wizard.append(pagination.format(options.actionContainerTag,options.clearFixCssClass,options.labels.pagination,buttons));refreshPagination(wizard,options,state);loadAsyncContent(wizard,options,state)}}function renderTemplate(template,substitutes){var matches=template.match(/#([a-z]*)#/gi);for(var i=0;i<matches.length;i++){var match=matches[i],key=match.substring(1,match.length-1);if(substitutes[key]===undefined){throwError("The key '{0}' does not exist in the substitute collection!",key)}template=template.replace(match,substitutes[key])}return template}function renderTitle(wizard,options,state,header,index){var uniqueId=getUniqueId(wizard),uniqueStepId=uniqueId+_tabSuffix+index,uniqueBodyId=uniqueId+_tabpanelSuffix+index,uniqueHeaderId=uniqueId+_titleSuffix+index,stepCollection=wizard.find(".steps > ul"),title=renderTemplate(options.titleTemplate,{index:index+1,title:header.html()}),stepItem=$('<li role="tab"><a id="'+uniqueStepId+'" href="#'+uniqueHeaderId+'" aria-controls="'+uniqueBodyId+'">'+title+"</a></li>");stepItem._enableAria(options.enableAllSteps||state.currentIndex>index);if(state.currentIndex>index){stepItem.addClass("done")}header._id(uniqueHeaderId).attr("tabindex","-1").addClass("title");if(index===0){stepCollection.prepend(stepItem)}else{stepCollection.find("li").eq(index-1).after(stepItem)}if(index===0){stepCollection.find("li").removeClass("first").eq(index).addClass("first")}if(index===(state.stepCount-1)){stepCollection.find("li").removeClass("last").eq(index).addClass("last")}stepItem.children("a").bind("click"+getEventNamespace(wizard),stepClickHandler)}function saveCurrentStateToCookie(wizard,options,state){if(options.saveState&&$.cookie){$.cookie(_cookiePrefix+getUniqueId(wizard),state.currentIndex)}}function startTransitionEffect(wizard,options,state,index,oldIndex,doneCallback){var stepContents=wizard.find(".content > .body"),effect=getValidEnumValue(transitionEffect,options.transitionEffect),effectSpeed=options.transitionEffectSpeed,newStep=stepContents.eq(index),currentStep=stepContents.eq(oldIndex);switch(effect){case transitionEffect.fade:case transitionEffect.slide:var hide=(effect===transitionEffect.fade)?"fadeOut":"slideUp",show=(effect===transitionEffect.fade)?"fadeIn":"slideDown";state.transitionElement=newStep;currentStep[hide](effectSpeed,function(){var wizard=$(this)._showAria(false).parent().parent(),state=getState(wizard);if(state.transitionElement){state.transitionElement[show](effectSpeed,function(){$(this)._showAria()}).promise().done(doneCallback);state.transitionElement=null}});break;case transitionEffect.slideLeft:var outerWidth=currentStep.outerWidth(true),posFadeOut=(index>oldIndex)?-(outerWidth):outerWidth,posFadeIn=(index>oldIndex)?outerWidth:-(outerWidth);$.when(currentStep.animate({left:posFadeOut},effectSpeed,function(){$(this)._showAria(false)}),newStep.css("left",posFadeIn+"px")._showAria().animate({left:0},effectSpeed)).done(doneCallback);break;default:$.when(currentStep._showAria(false),newStep._showAria()).done(doneCallback);break}}function stepClickHandler(event){event.preventDefault();var anchor=$(this),wizard=anchor.parent().parent().parent().parent(),options=getOptions(wizard),state=getState(wizard),oldIndex=state.currentIndex;if(anchor.parent().is(":not(.disabled):not(.current)")){var href=anchor.attr("href"),position=parseInt(href.substring(href.lastIndexOf("-")+1),0);goToStep(wizard,options,state,position)}if(oldIndex===state.currentIndex){getStepAnchor(wizard,oldIndex).focus();return false}}function throwError(message){if(arguments.length>1){message=message.format(Array.prototype.slice.call(arguments,1))}throw new Error(message)}function validateArgument(argumentName,argumentValue){if(argumentValue==null){throwError("The argument '{0}' is null or undefined.",argumentName)}}$.fn.steps=function(method){if($.fn.steps[method]){return $.fn.steps[method].apply(this,Array.prototype.slice.call(arguments,1))}else{if(typeof method==="object"||!method){return initialize.apply(this,arguments)}else{$.error("Method "+method+" does not exist on jQuery.steps")}}};$.fn.steps.add=function(step){var state=getState(this);return insertStep(this,getOptions(this),state,state.stepCount,step)};$.fn.steps.destroy=function(){return destroy(this,getOptions(this))};$.fn.steps.finish=function(){finishStep(this,getState(this))};$.fn.steps.getCurrentIndex=function(){return getState(this).currentIndex};$.fn.steps.getCurrentStep=function(){return getStep(this,getState(this).currentIndex)};$.fn.steps.getStep=function(index){return getStep(this,index)};$.fn.steps.insert=function(index,step){return insertStep(this,getOptions(this),getState(this),index,step)};$.fn.steps.next=function(){return goToNextStep(this,getOptions(this),getState(this))};$.fn.steps.previous=function(){return goToPreviousStep(this,getOptions(this),getState(this))};$.fn.steps.remove=function(index){return removeStep(this,getOptions(this),getState(this),index)};$.fn.steps.setStep=function(index,step){throw new Error("Not yet implemented!")};$.fn.steps.skip=function(count){throw new Error("Not yet implemented!")};var contentMode=$.fn.steps.contentMode={html:0,iframe:1,async:2};var stepsOrientation=$.fn.steps.stepsOrientation={horizontal:0,vertical:1};var transitionEffect=$.fn.steps.transitionEffect={none:0,fade:1,slide:2,slideLeft:3};var stepModel=$.fn.steps.stepModel={title:"",content:"",contentUrl:"",contentMode:contentMode.html,contentLoaded:false};var defaults=$.fn.steps.defaults={headerTag:"h1",bodyTag:"div",contentContainerTag:"div",actionContainerTag:"div",stepsContainerTag:"div",cssClass:"wizard",clearFixCssClass:"clearfix",stepsOrientation:stepsOrientation.horizontal,titleTemplate:'<span class="number">#index#.</span> #title#',loadingTemplate:'<span class="spinner"></span> #text#',autoFocus:false,enableAllSteps:false,enableKeyNavigation:true,enablePagination:true,suppressPaginationOnFocus:true,enableContentCache:true,enableCancelButton:false,enableFinishButton:true,preloadContent:false,showFinishButtonAlways:false,forceMoveForward:false,saveState:false,startIndex:0,transitionEffect:transitionEffect.none,transitionEffectSpeed:200,onStepChanging:function(event,currentIndex,newIndex){return true},onStepChanged:function(event,currentIndex,priorIndex){},onCanceled:function(event){},onFinishing:function(event,currentIndex){return true},onFinished:function(event,currentIndex){},onContentLoaded:function(event,currentIndex){},onInit:function(event,currentIndex){},labels:{cancel:"取消",current:"当前步骤：:",pagination:"分页",finish:"完成",next:"下一步",previous:"上一步",loading:"加载中 ..."}}})(jQuery);
    7.